CN105882679B - Railway braking system for railway vehicle and braking method of railway vehicle having such system - Google Patents
Railway braking system for railway vehicle and braking method of railway vehicle having such system Download PDFInfo
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- CN105882679B CN105882679B CN201410858475.4A CN201410858475A CN105882679B CN 105882679 B CN105882679 B CN 105882679B CN 201410858475 A CN201410858475 A CN 201410858475A CN 105882679 B CN105882679 B CN 105882679B
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Abstract
The invention relates to a railway brake system comprising a service brake and a parking brake (7), the service brake comprising: a piston (8) movable relative to the body, which piston together with the body (2) defines a service brake pressure chamber (13) supplied by a first source of pneumatic pressure agent, and a piston rod (21) arranged in the service brake pressure chamber and fixed on a second side (32) facing the service brake pressure chamber; the parking brake is disposed in the main body and includes: a locking device (20) arranged in the service brake pressure chamber, said locking device being movable to act on said piston rod, and a movable control device (23, 24) defining with said body a parking brake pressure chamber (25) which is supplied by a second source of pneumatic pressure agent; the locking device and the control device are designed to fix/lock the piston rod in order to lock or unlock the piston in or from a position.
Description
Technical field
The present invention relates to the fields of railway vehicle brake.
More particularly, the present invention relate to the railway brake system of rolling stock, railway brake system is provided with by structure
Make the running brake and parking brake for acting on brake linkage.
The invention further relates to the braking methods of the rolling stock with this braking system.
Background technique
Rolling stock is commonly equipped with the motor vehicle braking system with piston movable under pressurized fluid effect, the piston
It is mobile to drive the braking maneuver for clamping brake disc for example between two liners or being pressed directly against brake shoe on wheel.
These checking cylinders are generally also provided with parking actuator or emergency actuator, and parking actuator or emergency actuator are adding
It is activated in the case where pressing the pressure loss of fluid and/or in the automatic-discharging of pneumatic system or vent in the case where.By replacing
For the spring force of fluid force, the actuator of also referred to as parking brake allows to guarantee to brake.Once parking brake quilt
Activation, the parking brake are clamped with regard to permanent retention.
It is known from European patent application EP 2 154 040 a kind of to be provided with the parking for being connected to railways train operation checking cylinder
The railway brake system of brake actuator.The checking cylinder have main body and opposite main body it is movable, for being acted on by push rod
Piston on brake linkage.
Checking cylinder also has the pressure chamber limited by piston and main body, which is connect by pipeline and Pneumatic pressure agent source
It closes, piston is placed in service brake position.
As for parking brake, there is the main body different from the main body of checking cylinder.The main body of parking brake have with
The opposite opening of the piston of motor vehicle braking system, the opening slidably receive the thrust sleeve assembled in a sealing manner in the openings
Cylinder.
Parking brake also has piston, which is movably mounted in the cylinder being connected with main body, the piston and main body
Parking brake pressure chamber is limited together.The parking brake pressure chamber is engaged by pipeline with another Pneumatic pressure agent source.It is living
In the center there is the holes passed through by thrust bush for plug.
In addition parking brake has spring, these springs enduringly press to the piston of the parking brake referred to as low
The position of position, in the position, parking brake considered to be in configuration.
In order to activate parking brake, parking brake pressure when the piston of motor vehicle braking system is located on service brake position
Power room (it is filled with Pneumatic pressure agent in advance) is drained, and the spring of parking brake then acts on the piston of parking brake
On, this driving thrus sleeve is until the sleeve is against the piston of motor vehicle braking system.
Due to having braked parking brake, the pressure chamber of service brake cylinder can be thus drained.
It is directly related with the power that spring generates that the power on the piston of running brake is applied to by parking brake.The power
Obviously related to the rigidity of these springs and elongation.
For the braking system, when parking brake is activated and is emptied to motor vehicle braking system by the work of motor vehicle braking system
The active force being applied on brake linkage is filled in, usually less than when identical piston is located on service brake position by the work
Fill in applied active force.
Summary of the invention
The present invention relates to a kind of braking system for rolling stock, which has relatively mentioned above existing
Improved performance for the braking system of technology, while the system is simple, convenient and economical.
Therefore, in a first aspect, being somebody's turn to do the purpose of the present invention is to provide a kind of railway brake system for rolling stock
System has the brake at least one liner or at least one brake shoe, and the braking system includes:
Main body；
Brake linkage, the brake linkage, which is configured to act at least one, described has at least one
On the brake of a liner or at least one brake shoe；
Running brake, the driving actuator includes brake piston, and the relatively described main body of the brake piston is movable,
To act on the brake linkage, the brake piston limits running brake pressure chamber together with the main body,
The service brake pressure chamber is configured to be supplied by the first Pneumatic pressure agent source, and the brake piston is placed in row
Vehicle application position；And
Parking brake, the parking actuator are configured to act on the brake piston of the running brake
On, and there is configuration and the configuration that ceases；
The railway brake system is characterized in that:
The brake piston is arranged in the main body and has that there are two sides, the two sides, which are respectively as follows:, is constructed use
In the first side acted on the brake linkage, and it is opposite with the first side and towards the running brake
The second side of pressure chamber；
The running brake also comprises piston rod, and the piston rod is arranged in the running brake pressure chamber
And it is fixed in the second side of the brake piston；
The parking brake is arranged in the main body and includes: to be arranged in the running brake pressure chamber
Locking system, the relatively described main body of the locking system is movable, to act on the piston rod, and have first position
The second position and；And the control device that relatively described main body is movable, the control device limit parking together with the main body
Brake pressure room simultaneously have settling position, the parking brake pressure chamber be configured to by the second Pneumatic pressure agent source into
Row supply；
The locking system and the control device are configured to:
When the brake piston is located on service brake position and when the parking brake is in configuration, institute
It states control device to act on the locking system, until the fixed piston rod of the locking system, the braking is lived
Stopper rod is locked on service brake position, and the locking system is then situated on its second position and the control device is located at surely
Positioning is set；With
When the parking brake is in and ceases configuration, the control device is acted on the locking system, until
The locking system discharges the piston rod, the brake piston is unlocked from its service brake position, the locking system
Therefore on its first position；
When the parking brake is in configuration, be applied to brake force on the brake linkage with by
The brake force that the running brake on service brake position is applied on the brake linkage is directly related, and with by
The active force that the locking system is applied on the piston rod is unrelated.
In brake system according to the invention, brake piston be parked brake, more specifically consolidated by its locking system
It is scheduled on service brake position.This means that brake piston can be fixed in any position, and the position is passed through with the piston
The stroke crossed is related and the trip depends on the active force applied when driving a vehicle the deboost phase.
Term " fixation " meaning, which is referred to the fact that, is applied to system by brake piston in the configuration of parking brake
Active force on dynamic linkage does not reduce, or does not almost reduce.
Still allow when the pressure chamber of running brake is drained it is related to the retrogressing of brake piston, more specifically with work
Plug slightly moves relevant certain loss relative to locking system.The loss by especially by locking system and brake piston simultaneously
Manufacturing tolerance caused by the extremely slight reduction of active force that is applied controlled and defined.It is applied on brake linkage
The reduction of the active force added is in herein referred to as retrogressing loss.These acceptable values for retreating loss are about in parking braking
The 10% of the active force that device is applied when being activated in configuration by running brake.
By the present invention, especially by the configuration of brake piston and parking brake, especially get rid of described above
The spring of known braking system, the spring allow to apply parking system on brake linkage by the piston of motor vehicle braking system
The active force of dynamic device.Therefore, identical for being applied on brake linkage when parking brake is in configuration
Active force, brake system according to the invention is more more compact than the braking system of the prior art mentioned above also lighter.
It may be noted that brake linkage advantageously has deformable arm, the elasticity of deformable arm can replace described above
Known braking system spring elasticity.
It may be noted that the configuration of parking brake is chosen to be braked by locking system is direct acting for fixed
The power of piston is not more than the power on the piston for the braking system for being applied to the prior art mentioned above by spring；And according to this
The parking brake of the system of invention be applied to when being in configuration the active force on brake linkage at least equal to, even
Greater than the braking system active force obtained by the prior art mentioned above.
It can also be noted that brake is arranged in the main body of system, more specifically by locking system setting in driving system
Allow the ambient enviroment for protecting main body and simple and easily oil in the pressure chamber Dong Qi.
Preferred, simple, the convenient and economic feature of brake system according to the invention:
The locking system is at least partially disposed in the parking brake pressure chamber；
The locking system is arranged in the chamber of the main body distinguished with the parking brake pressure chamber
In；
The locking system is by locking finger-type at the control device is formed by holding piston and spring member, the guarantor
It holds the relatively described main body of piston movably and limits parking brake pressure chamber together with the main body；The holding piston is constructed
It is maintained at its first position for referring to the locking when the parking brake pressure chamber is supplied to and pressurizes, described
The first position that locking refers to, the locking refers to keeps apart with the piston rod；The spring member is configured to stay described
Vehicle brake pressure room, which refers to the locking when being drained, to be maintained on its second position, described in the second position that locking refers to
Locking refers to the fixed piston rod；
The spring member is arranged in the parking brake pressure chamber；
The spring member is arranged in the chamber distinguished with the parking brake pressure chamber with the main body；
The locking system includes two spring members, and one is arranged in the parking braking in the two spring members
In device pressure chamber, another in the two spring members be arranged in the main body with parking brake pressure chamber phase
In the chamber of difference；
The parking brake also comprises intermediate control-rod, and the intermediate control-rod is attached to the locking dress simultaneously
It sets and on the control device and is configured to respond the movement of the control device and activates the locking system；
The locking system has the tooth at least one beveled edge in its distal end, described to have at least one bevel edge
The tooth of edge is configured to the complementary dentition with the piston rod at least one beveled edge or is arranged in the piston rod
The complementary dentition of middleware between the locking system cooperates in complementary fashion；
The locking system has the tooth with straight edge on its distal end, and the tooth with straight edge is constructed use
In with complementary dentition of the piston rod with straight edge or be arranged between the piston rod and the locking system
Between the complementary dentition of part cooperate in complementary fashion；
The running brake also comprises the ratchet being mounted on the piston rod, and the ratchet is configured to
The locking system is meshed when being located on the second position with the locking system, with the fixation piston rod；And/or
The parking brake is additionally included in parking described in manual unlocking when the parking brake is in configuration
The unlock piece of brake, the unlock piece are configured to act on the locking system.
The present invention also resides in the purpose of second aspect and provides a kind of railway including foregoing railway brake system
The braking method of vehicle, the braking method the following steps are included:
The parking brake pressure chamber that the railway brake system is supplied with the second Pneumatic pressure agent source, described in movement
The control device of system, act on control device on the locking system of the railway brake system, until the locking fills
The brake piston for discharging the railway brake system is set, the parking brake of the railway brake system is then in the structure that ceases
Type；
The running brake pressure chamber that the railway brake system is supplied with the first Pneumatic pressure agent source, by the system
Piston is placed in service brake position；
Control emptying parking brake pressure chamber, with the movement locking system, until the locking system is by the braking
Piston is fixed on its service brake position, and the parking brake is then in configuration；And
Control empties the running brake pressure chamber.
The present invention implements extremely simple and conveniently.
Detailed description of the invention
Now by the description carried out to the embodiment that next property mode provides as an example, not a limit, this hair is shown
It is bright, in the accompanying drawings:
- Fig. 1 to 5 diagrammatically illustrates the operation of railway brake system according to the present invention, and the braking system is provided with
Pneumatic distributor and the different Pneumatic pressure agent source for being connected to vehicle, the system are respectively at different configurations；
- Fig. 6 is the decomposition perspective view of the first implementation modification of railway brake system；
- Fig. 7 is the schematic cross sectional views of assembled railway brake system shown in Fig. 6；
- Fig. 8 and Fig. 9 is the partial view in Fig. 6 and railway brake system shown in Fig. 7, is respectively at staying for the system
In addition the load of vehicle brake and/or unlocked configuration and configuration show details amplification in the lower right of each attached drawing
Figure；
- Figure 10 and Figure 11 is schematically respectively illustrated to be implemented to become the second of Fig. 1 to railway brake system shown in fig. 5
Type and third implement modification, the configuration for the parking brake having in the braking system；And
- Figure 12 to Figure 15 is the 4th implementation modification in Fig. 1 to railway brake system shown in fig. 5 in different configurations
Partial schematic diagram.
Specific embodiment
Fig. 1 is shown schematically for the railway brake system with the brake with liner or brake shoe of rolling stock
System.
Railway brake system 1 is included in the main body for being formed simultaneously the cylinder with running brake 6 and parking brake 7 herein
2, the Pneumatic pipe transport net 3 of main body 2, the brake linkage 4 for being mechanically coupled to main body 2 and braking linkage are connected to
Device 4 is configured to act on the brake 5 with liner on it.
Main body 2 is in the shape with the shell being substantially closed.
Running brake 6 includes along first axial direction with respect to the movable service brake piston 8 of main body 2, along perpendicular to the
Second axial direction of one axial direction push rod 9 equally movable with respect to main body 2.
Brake piston 8 limits running brake pressure chamber 13 with main body 2 together.
There are two sides for the tool of brake piston 8, the two sides, which are respectively as follows:, to be configured to act on braking by push rod 9
First side 17 on linkage 4, and second side opposite with first side 17 and towards running brake pressure chamber 13
18。
Running brake 6 also comprises the recessing bar 21 being fixed in the second side 18 of brake piston 8.The recessing bar 21
Longitudinally extend along first axial direction.
Brake piston 8 is configured to move in main body 2, while by the inward flange and the braking for being arranged in main body 2
Diaphragm 14 between piston 8 makes running brake pressure chamber 13 keep opposing seal.
Running brake 6 also comprises the wedge piece 10 being fixed in the first side 17 of brake piston 8.
The wedge piece 10 has triangular-section, and wedge piece is configured to cooperate with one group of thrust bearing 11, thrust shaft
One in holding is connected to main body 2, and another in thrust bearing is connected to push rod 9.
The push rod 9 is provided with wear adjustment part, which is configured to the mill of the liner of compensation brake 5
Damage, can reduce brake force to avoid gap excessive (caused by gasket wear).
Running brake 6 also comprises spring 12, and spring 12 is in herein around push rod 9, the inward flange in main body 2 and connection
It is arranged between the thrust bearing of the push rod.The thrust bearing that the spring 12 is configured to make to be connected to push rod 9 reset against
In wedge piece 10.
In addition running brake 6 has the first hole 15 of setting on the body 2, which is configured to allow push rod
9 pass through first hole 15 movement.
In addition running brake 6 has the second hole 16 of setting on the body 2, which leads to running brake pressure
Room 13.
The running brake pressure chamber 13 by be connected at second hole 16 also referred to as service brake pipeline main system
Dynamic pipeline 53 is engaged with source of pressurised fluid as such as pneumatic circuit.
Main body 2 has the chamber 27 linked with running brake pressure chamber 13, is disposed with parking brake in the chamber
7。
Parking brake 7 includes locking system, and the locking system is in movable by opposite main body 2 herein and along the second axial direction side
Refer to 20 formation to the locking of extension.
Parking brake 7 also comprises the opposite movable holding piston 23 of main body 2, which limits together with main body 2
Determine parking brake pressure chamber 25.
There are two sides for the holding piston 23 tool, they are respectively as follows: is attached with the first side 31 that locking refers to 20 on it,
It is opposite with first side 31 and towards the second side of parking brake pressure chamber 25 32.
Parking brake 7 also comprises the spring member being arranged between main body 2 and the second side 32 for keeping piston 23
24.The spring member 24, which is configured to act on the holding piston 23 and thus act on locking, to be referred on 20.
It may be noted that piston 23 and spring member 24 is kept to form the control movable control device of parking brake 7.
Piston 23 is kept to be configured to move in main body 2, while by means of being arranged in the holding piston 23 and main body 2
Inward flange between diaphragm (not shown) make parking brake pressure chamber 25 keep opposing seal.
Parking brake 7 has third hole (not shown), which is arranged on the body 2, while leading to parking braking
Device pressure chamber 25 and running brake pressure chamber 13, the third hole are configured to that locking is allowed to refer to that 20 pass through third hole shifting
It is dynamic.
It may be noted that the opposing seal between parking brake pressure chamber 25 and running brake pressure chamber 13 is by depositing
It is being arranged in third hole and locking refers to the gasket 33 of interface between 20 and is guaranteed.
Parking brake 7 in addition have setting on the body 2, lead to the 4th hole 28 of parking brake pressure chamber 25.
In addition it may be noted that parking brake pressure chamber 25 passes through the parking braking pipeline 58 that is connected at the 4th hole 28
It is engaged with source of pressurised fluid as such as pneumatic circuit.
Parking brake 7 also comprises unlock piece 29, which is attached in the second side 32 for keeping piston 23, wears
It crosses setting on the body 2 and leads to the 5th hole (not shown) of cavity 27；So that the unlock piece 29 can be touched and be reached, with can be from master
The peripheral operation of body 2 unlock piece.
Running brake 6 is arranged in main body 2, is configured to act on brake 5 by brake linkage 4.
The brake 5 includes brake disc 35 (being herein overlook view), and brake disc is for example mounted on the wheel shaft of rolling stock
On 36 or it is directly installed on wheel to be braked.
The brake 5 also comprises two brake block 37, and each brake block is provided with liner 38 and fix eyelet 39, lining
Piece is configured to be pressed against contact brake disc 35, by the velocity of rotation of low brake disc, thus reduces turning for wheel to be braked
Dynamic speed, fix eyelet are arranged on the direction opposite with the surface for being configured to act in brake disc 35 of liner 38.
Brake linkage 4 includes two deformable control sticks 40, and each control stick is provided with connected upper and lower arms.
Each arm of control stick 40 is hinged on central connector 41 by two pivotal axis 42.
The lower arm of each deformable control stick 40 is arrived by a fix eyelet 39 connection (relier) in brake block should
Brake block 37.
The upper arm of each deformable control stick 40 is then connected to corresponding movable joint 44,45.
Brake linkage 4 between the upper arm of deformable control stick 40, at movable joint 45 and 46 receive main body 2.
Main body 2 is mounted to rotate on the movable joint 44 being connected with one end of push rod 9, and main body is fixedly mounted on direct and master
On the connected movable joint 45 of body 2.
Brake linkage 4 further includes the fixation bracket (patte) 43 being connected with central connector 41, is used for the braking
Linkage 4 is mounted on rolling stock；So that brake block 37 is located at the two sides of brake disc 35 (or wheel of rolling stock).
It may be noted that the close of movable joint 44 and 45 allows for brake block 37 to be separated from each other, conversely, these movable joints 44 and 45
It is separate then allow brake block 37 being clamped in brake disc 35 (or on wheel of rolling stock).
In having the main pneumatic circuit formed by main pipeline 50 herein, which is constructed Pneumatic pipe transport net 3
For extending along rolling stock.
The network 3 also comprises the auxiliary memory 51 for being connected to main pipeline 50.
It may be noted that this auxiliary memory 51 is typically found on each bogie of rolling stock.
Main pipeline 50 is configured to convey the fluid being for example substantially equal under 5.5 bars or so of the first preset pressure.
Therefore auxiliary memory 51 has the fluid under this first preset pressure.
Network 3 the outlet (entrance that main pipeline 50 is connected to the auxiliary memory 51) of auxiliary memory 51 have also by
Two different pneumatic circuits in referred to as the first Pneumatic pressure agent source and the second Pneumatic pressure agent source, each Pneumatic pressure agent source is by structure
It makes for supplying running brake 6 and/or parking brake 7.
First Pneumatic pressure agent source (is here pressure regulation by the pressure regulator 52 for being arranged in the exit of auxiliary memory 51
Device) it is formed, which is configured to for the fluid recycled in the first Pneumatic pressure agent source being limited to for example substantially
The second preset pressure equal to 3.8 bars or so.
The first Pneumatic pressure agent source is further comprising: being connected to voltage limiter 52, being configured to conveying in the second default pressure
The main brake pipeline 53 (being mentioned above) of fluid under power, main brake pipeline are connected to the second hole 16 of running brake 6,
To supply running brake pressure chamber 13.
Second Pneumatic pressure agent source is then by being directly connected to the secondary brake-press lead 54 of the outlet of auxiliary memory 51, being connected to
The formation of parking brake pipeline 58 in the 4th hole 28 of parking brake 7, the parking brake pipeline lead to parking brake pressure
Power room 25, pneumatically to supply the pressure chamber.
Network 3 further includes in tool herein there are three hole and two positions and for monostable distributor 55, which inserts
It sets between secondary brake-press lead 54 and parking braking pipeline 58, each of these pipelines 54,58 are all connected to the distributor
55。
The distributor 55 includes movable pulley 60 and being configured to move the actuator 63 of the slide valve 60.
The actuator 63 is configured to receive for example pneumatic control signal 67.
The distributor 55 further includes being configured to the reset spring that slide valve 60 is mobile to the second position from first position
64。
It may be noted that in fig. 1 and 2, distributor 55 is indicated on its first position, which is not distribution
The default location of device.
In other words, the actuator 63 of distributor 55 is configured to receive non-zero or at least enough pneumatic signals,
So that slide valve 60 its second position (the also referred to as default location of " normally closed " position shown in Fig. 3 and Fig. 4) and its first
It is moved between position (as shown in Figures 1 and 2).
It may be noted that slide valve 60 has setting there are three the first Room 61 of inlet/outlet 61a-c and is again provided with three
The second Room 62 of inlet/outlet 62a-c.
Slide valve 60 first position and the second position each on, in secondary brake-press lead 54 and parking braking pipeline 58
Each be connected to one of three inlet/outlets 61a-c and 62a-c.
The operation of railway brake system is described with reference to Fig. 1 to Fig. 5, Fig. 1 to Fig. 5 schematically shows this
The various configuration of system 1.
In Fig. 1, railway brake system 1 is in loading configuration (configuration de r é armement).
In the loading configuration, (the brake pressure room is drained) is not supplied to running brake pressure chamber 13,
So that brake piston 8 is located on rest position, in the rest position, brake piston does not apply brake force on push rod 9.
Therefore, at a distance from each other, this allows to make brake block 37 and braking the movable joint 44 and 45 of brake linkage 4
Disk 35 keeps certain distance.
Parking brake pressure chamber 25 is then supplied by parking braking pipeline 58, which passes through distributor
55 are connected to its own secondary stopper pipe 54 for being connected to auxiliary memory 51.
Therefore, parking brake pressure chamber 25 is pressurized, so that piston 23 is kept to be located at spring member 24 compressed the
In one position, and locking is made to refer to that 20 are located on the first position being spaced apart with the recessing bar 21 of running brake 6.
In the loading configuration of system 1, parking brake 7 is in loading configuration and running brake 6 is in and ceases
Configuration.
In addition, the slide valve 60 of distributor 55 is located at its first position, this indicates that actuator 63 receives (non-zero) control letter
Numbers 67, therefore slide valve 60 resists the effect of reset spring 64 and is moved to its first position from its second position (default location), it should
Reset spring is then compressed.
On the first position of slide valve 60, the first Room 61, which has, is connected to auxiliary memory by time brake-press lead 54
The first supply inlet 61b on 51；And it is in fluid communication with the first supply inlet 61b and is connect by parking braking pipeline 58
The first parking brake to parking brake pressure chamber 25 exports 61c.
In addition, the first Room 61 has not connected first locking hole 61a, which is configured to engaging
Fluid is prevented to pass through when the second brake-press lead 54.
The entrance and exit of the second Room 62 of slide valve 60 is all without being connected.
It may be noted that parking brake 7 is dimensioned and is constructed so that the on-load pressure of parking brake 7 relatively
It is small, e.g., about 2 bars to 6 bars.
In Fig. 2, railway brake system 1 is represented as applying configuration in running brake 6.
In the application configuration of running brake 6, running brake pressure chamber 13 is supplied by main brake pipeline 53.
Therefore, running brake pressure chamber 13 is pressurized, and brake piston 8 is along first axial direction from its first position to the
Two positions are moved, and in the second position, wedge piece 10 separates one group of thrust bearing 11, and therefore mobile putter 9 and work
Section 44.
Therefore, movable joint 44 and 45 away from each other, causes the close of brake block 37, and liner 38 is therefore caused to recline brake disc
35。
It may be noted that in the application configuration of the running brake 6 of system 1, control stick 40 (elasticity) deformation.
It is also noted that in configuration shown in Fig. 2, parking brake pressure chamber 25 such as place always mentioned referring to Fig.1
Under pressurization.
In the application configuration of the running brake 6 of system 1, parking brake 7 is constantly in loading configuration and the system of driving a vehicle
Dynamic device 6 is in configuration.
Therefore, the position of the slide valve 60 of distributor 55 is similar to position shown in FIG. 1.
It is also noted that be filled into the fluid in running brake pressure chamber 13 first is default in configuration shown in Fig. 2
Pressure makes the mobile preset strokes of brake piston 8, to be acted on brake linkage 4 with the first default active force, and because
This applies the first default active force in brake disc 35.
In Fig. 3, railway brake system 1 is represented as in locking configuration, in the locking configuration, running brake 6
The second position shown in Fig. 2 of brake piston 8 in it is fixed.
It may be noted that brake linkage 4 is identical as position shown in Fig. 2 in location herein.
Running brake pressure chamber 13 is then constantly under pressurization, and parking braking pressure chamber 25 is drained.
The emptying of parking braking pressure chamber 25 releases spring member 24, which will then keep piston 23 from its
First position is mobile to the second position of referred to as settling position, and locking is therefore made to refer to that 20 are moved to second from its first position
It sets, in the second position, which, which refers to 20, fixes fluting by engaging its distal end with the notch being arranged on recessing bar 21
Bar 20.
In order to carry out the emptying of parking brake pressure chamber 25, it is, for example, zero that the actuator 63 of distributor 55 is received in herein
Different control signals 67 so that slide valve 60 is transformed into its second from its first position under the action of reset spring 64
It sets.
On the second position of slide valve 60, the second Room 62 of slide valve 60, which has, is connected to parking by parking braking pipeline 58
The parking brake second outlet 62c of brake pressure room 25 and it is in fluid communication with parking brake second outlet 62c and logical
To the second exhaust outlet 62a of atmosphere.
In addition, second Room 62 has the second not connected locking hole 62b.
In the locking configuration of system 1, parking brake 7 and running brake 6 are each in configuration.
In Fig. 4, railway brake system 1 is represented as the emptying configuration in running brake 6.
The emptying of running brake pressure chamber 13 is carried out by escaping into network 3.In other words, running brake pressure
Power room 13, secondary brake-press lead 54 and main brake pipeline 53 are not placed directly in atmosphere.
It may be noted that the pressurized fluid being present in running brake pressure chamber 13 especially should by the discharge of main brake pipeline 53
Running brake pressure chamber 13.
It may be noted that in the emptying configuration of the running brake 6 of system 1, the slide valve 60 of distributor 55 be in its second
On position.
It is also noted that although having emptied running brake pressure chamber 13, by means of parking brake 7, especially by
Refer to the component that 20- keeps piston 23- spring member 24 to be constituted in locking and combination is fixed on the brake piston of running brake 6
Recessing bar 21 on 8, the brake piston 8 are maintained on its second position, and in the second position, which acts on braking
On linkage 4, to apply the second default active force in brake disc 35 by brake block 37.
In the emptying configuration of running brake 6, although having emptied running brake pressure chamber 13, at parking brake 7
In configuration, running brake 6 is locked in its configuration.
In Fig. 5, railway brake system 1 is represented as in unlocked configuration.
In the unlocked configuration, apply active force on the unlock piece 29 of parking brake 6, which is pulled to
The outside of main body 2.
The effect of the mobile resistance spring member 24 of the unlock piece 29 and drive keep piston 23, and thus drive locking refer to
20, therefore which is compressed.
Since locking refers to its second position of 20 arrival, which, which refers to, no longer cooperates with recessing bar 21, therefore the recessing bar quilt
Release.
Therefore, the bullet arranged around push rod 9 and between the inward flange of main body 2 and the thrust bearing being fixed on push rod 9
Spring 12 comes back to its initial position.
Therefore, which drives the thrust bearing 11 being arranged between push rod 9 and wedge piece 10 along the second axial direction,
Therefore brake piston 8 is driven to return along first axial direction, until its rest position.
The movable joint 44 and 45 of brake linkage is close to each other so that deformable control stick 40 come back to it is shown in FIG. 1
Its initial position, and brake block 37 is spaced apart with brake disc 35 again, therefore which can be freely rotated (brake disc 35
It is no longer braked).
In the unlocked configuration, parking brake 7 is in unlocked configuration and running brake 6 is in the configuration that ceases.
In the unlocked configuration of system 1, it is also important to note that distributor 55 is for instance in structure identical with configuration shown in Fig. 4
In type, and running brake pressure chamber 13 and parking brake pressure chamber 25 are all drained.
It may be noted that running brake 6 is configured such that the active force for unlock to be applied by unlock piece 29
It is relatively small, to pass through as user rolling stock driver is manually implemented.For example, the active force is about 10daN
Arrive 50daN or so.
Fig. 6 to 9 schematically and locally shows Fig. 1 and implements modification to the first of railway brake system shown in fig. 5,
Component is more specifically formed by by main body and the parking brake and running brake that are mounted in the main body.
It is indicated generally for the identical appended drawing reference of similar members but plus number 100.
Main body 102 is provided with cylindrical central chamber in the shape of the shell herein with general parallel orientation quadrangle and closure
Room and cylindrical side chamber, the central bore are divided into two skies for being respectively formed running brake pressure chamber 113 and secondary chamber 134
Between, parking brake pressure chamber 125 is formed in cylindrical side chamber.
Running brake in including the opposite movable service brake piston 108 of main body 102, the service brake piston example herein
Such as by having simultaneously from the wedge piece 110 outstanding of first side 131 of the piston 108 and towards the direction of secondary chamber 134 from the work
The integral piece of the piston rod 121 outstanding of second side 132 of plug 108 is formed.
Piston rod 121 is in being provided with thread outer surface 178 herein.
Main body 102 also comprises the partition 171 being fixed in main body 102, which is configured to separate service brake
Device pressure chamber 113 and secondary chamber 134.The partition 171 reclines the second side 132 of brake piston 108.
Main body 102 also comprises the O-Sealing Rings 170 being arranged in the round hole 179 of partition 171, and piston rod 121 can
It is moved in translation across the round hole 179.The O-Sealing Rings 170 recline the second side 132 of brake piston 108.
Parking brake is in herein including the holding piston 123 being arranged in cylindrical side chamber and the (figure of spring member 124
8 and 9), parking brake pressure chamber 125 is provided in cylindrical side chamber.It can be observed, piston 123 is kept to lead to time chamber
Room 134.Spring member 124 is configured to act on the holding piston 123.
Parking brake also comprises the intermediate control-rod 147 being arranged in secondary chamber 134, and intermediate control-rod is on the one hand logical
It crosses end notch 148 to be fixed on holding piston 123, be on the other hand fixed in main body 102 by pivotal connector 148, the pivot
Turn connector to be configured to that the intermediate response of control-rod 147 is allowed to keep the translational movement of piston 123 and rotate movement.
Including spring member 124, piston 123 and the component of intermediate control-rod 147 is kept to form control device.
Parking brake 147 includes that the locking being arranged in the secondary chamber 134 of main body 102 refers to 120.
The locking of also referred to as latch refer to 120 distal end have with straight edge and beveled edge tooth 175, and and its
The edge 173 that distal end is oppositely disposed, which is configured to cooperate with intermediate control-rod 147, to respond centre control
The rotation of bar 147 processed is mobile and responds the translational movement of holding piston 123 thus to make locking refer to that 120 translational movements (are increased/released
It opens).
Parking brake also comprises the locking being accommodated in secondary chamber 134 and refers to reset spring between 129 and main body 102
180.The reset spring 180, which is configured to act on locking, to be referred on 120, to when emptying parking brake pressure chamber 125
Locking is referred to and is maintained on the second position.
Parking brake also comprises the ratchet 146 being mounted on piston rod 121.The ratchet 146 has thread inner surface
176, which is configured to cooperate with the thread outer surface 178 of piston rod 121, to allow piston rod 121 flat
Shifting is mobile while ratchet 146 being allowed to rotate.In other words, the translation of piston rod 121 drives ratchet 146 to rotate.
In addition ratchet 146 has outer surface, be provided with dentition 177 on that exterior, each tooth of dentition has
Straight edge and beveled edge, the tooth of dentition are configured to refer to the edge mate of 120 tooth 175 with locking.
It may be noted that parking brake also comprises manual unlocking part (not shown), manual unlocking part be configured to
The effect of anti-(à l ' encontre de) spring member 124 and act on and keep on piston 123, with increase locking refer to 120 and because
Ratchet 146 is freely rotated in this.
In fig. 8, railway brake system is in locking configuration, and locking refers to 120 fixed piston rods in the locking configuration
108, thus brake piston 108 is located on the second position in i.e. driving application position.
Running brake pressure chamber 113 is pressurized, and parking brake pressure chamber 125 is drained.
The emptying release spring component 124 of parking brake pressure chamber 125, the spring member make to keep piston 123 from the
One position is mobile to the second position, that is, settling position, therefore intermediate control-rod 147 is mobile (downward) to ratchet 146.
Locking refers to therefore 120 discharge from control-rod 147, and reset spring 180 extends and refers to the locking 120 from first position
Mobile to the second position, ratchet 146 is fixed (i.e. in forbid rotating in one direction herein) in the second position.Locking refers to
120 tooth 175 and the tooth of the dentition 176 of ratchet 146 cooperate.
The fixation of ratchet 146 can stop piston rod 121 to move on the direction opposite with braking direction.In other words,
Ratchet prevents piston rod from returning towards the direction of the secondary chamber 134 opposite with running brake pressure chamber 113.
In the locking configuration of running brake, parking brake and running brake are each in configuration.
Then running brake pressure chamber 113 can be drained, to take running brake in the configuration that ceases to, brake
Piston 108 is locked in its second position.
In Fig. 9, railway brake system is in unlocked configuration and/or loading configuration, in the unlocked configuration and/or load
Configuration, locking refer to 120 and the rest part of locking system be not fixed piston rod 121, thus plus fruit running brake pressure chamber 113
It is not pressurized, brake piston 108 returns to its first position i.e. rest position.
In loading configuration and/or unlocked configuration, running brake pressure chamber 113 is not supplied to (it is drained), so that
Brake piston 108 is located on rest position.
In loading configuration, parking brake pressure chamber 125 is pressurized, so that piston 123 is kept to be located at spring member 124
Compressed first position, intermediate control-rod 147 are located at higher position, and locking refers to 120 in first be spaced apart with ratchet 146
It sets.
In unlocked configuration, apply active force on parking brake unlock piece, which is pulled into the outer of main body
Portion.
The mobile drive of the unlock piece keeps piston 123 and thus drives control-rod 147, and control-rod and locking refer to 120
Edge 173 contacts, and the effect to resist reset spring 180 increases locking and refers to, and therefore to make between control-rod and ratchet 146
It separates.When locking refers to its second position of 120 arrival, locking rod no longer cooperates with ratchet 146, and ratchet 146 is to be free
(as piston rod 121).
Figure 10 schematically and is locally shown in Fig. 1 to shown in fig. 5 and in Fig. 6 to railway brake shown in Fig. 9
Another implementation modification of system.
Identical appended drawing reference is used generally for similar component, but to Fig. 1 to system shown in fig. 5 plus number
Word 200, to Fig. 6 to system shown in Fig. 9 plus number 100.
Running brake is in herein on the piston rod with ratchet 246.The ratchet 246 has dentition on its outer surface
276, which has the tooth with reversed beveled edge.
Parking brake is in holding piston 223 and same cloth herein including being arranged in parking brake pressure chamber 225
Set the spring member 224 in the pressure chamber 225.
Parking brake is also comprised in the locking system 220 formed by two components herein, and both parts are respectively
Secondary chamber 234 is arranged in neutralize the pushing mechanism 290 being fixed on keep on piston 223 and be discharged into stopping in secondary chamber 234
Stopper part 291.
Each of pushing mechanism 290 and backstopping assembly 291 have corresponding leading edge (bord d ' attaque) 292,
293, and backstopping assembly 291 has the tooth 275 with reversed beveled edge on its distal end opposite with leading edge 293, tooth is constructed
For complementary with the dentition 276 of ratchet 246.
In Figure 10, railway brake system is in locking configuration.
Parking brake pressure chamber 225 is drained, and spring member 224 extends and mobile holding piston 223, the holding piston
Pushing mechanism 290 is pushed along first direction, so that pushing mechanism 290 is reclined the leading edge of backstopping assembly 291 by leading edge 292
293.Therefore backstopping assembly 291 is moved along the second direction vertical with first direction, until the dentition 276 of tooth 275 and ratchet 246
It is meshed, to fixed ratchet wheel.
It may be noted that keeping piston 223 to resist spring member when parking brake pressure chamber 225 is supplied to and pressurizes
224 effect is mobile and pushing mechanism 290 is driven no longer to nibble with 246 phase of ratchet until discharging backstopping assembly 291, backstopping assembly
It closes, ratchet rotates automatically.
Figure 11 schematically and locally show Fig. 1 to it is shown in fig. 5, in Fig. 6 to shown in Fig. 9 and in Figure 10 institute
Another implementation modification of the railway brake system shown.
Identical appended drawing reference is used generally for similar component, but to Fig. 1 to system shown in fig. 5 plus number
Word 300, to Fig. 6 to system shown in Fig. 9 plus number 200, and to system shown in Fig. 10 plus number 100.
Running brake in being provided with ratchet 346 herein on the piston rod.The ratchet 346 has dentition on its outer surface
376, dentition has the tooth with reversed straight edge.
Parking brake in including that holding in the parking brake pressure chamber 325 for being arranged in not spring member is living herein
Plug 323.
Parking brake includes another spring member, also referred to as reset spring 380, which is arranged in secondary chamber
In 334 and it is configured to act directly on locking and refers on 320.
The locking refers to that 320 are provided with the tooth 375 with reversed straight edge on its distal end, and tooth is for the dentition with ratchet 346
376 is complementary.
It can be observed, keep piston 323 to refer to 320 in being directly coupled to locking herein, without intermediate control-rod.
On Figure 11, railway brake system is in locking configuration.
Therefore, locking refers to 320 fixed ratchet wheels 346.It may be noted that since locking refers to the shape and ratchet of 320 tooth 375
The shape of 346 dentition 376, ratchet 346 are prevented from rotating in both rotational directions.
Figure 12 to 15 schematically and locally show Fig. 1 to it is shown in fig. 5, in Fig. 6 to shown in Fig. 9 and scheming
Another implementation modification of railway brake system shown in 10 and Figure 11.
Identical appended drawing reference is used generally for similar component, but to Fig. 1 to system shown in fig. 5 plus number
Word 400, to Fig. 6 to system shown in Fig. 9 plus number 300, to system shown in Fig. 10 plus number 200 and to shown in Figure 11
System plus number 100.
Main body 402 is provided with central bore and side in the shape of the shell herein with general parallel orientation quadrangle and closure
Chamber, which is divided into the two spaces for being respectively formed running brake pressure chamber 413 and secondary chamber 434, in side cavity
Middle formation parking brake pressure chamber 425.
Running brake in including the opposite movable service brake piston 408 of main body 402 herein, and towards 434 side of secondary chamber
To the piston rod 421 outstanding of second side 432 from the piston 408.
Piston rod 421 is in being provided with thread outer surface 478 herein.
Parking brake includes the holding piston 423 and the first spring member 424 being arranged in side cavity in herein, in side
Parking brake pressure chamber 425 is provided in chamber.It can be observed, piston 423 is kept to lead to secondary chamber 434.First spring structure
Part 424, which reclines, to be arranged in main body 402 and is configured to the inner hook 482 acted on the holding piston 423.
Keep piston 423 that there is extension 487, extension extends up to and intermediate device 486 and lock in secondary chamber 434
Stop member 420 contacts simultaneously.
It may be noted that including the first spring member 424 and the component formation control device for keeping piston 423.
Parking brake also comprises second spring component 480, the second spring component recline be arranged in main body 402 and
It is configured to the internal stop 483 acted on the lock piece 420.
The lock piece 420 is provided with skew wall, is provided on the skew wall with the dentition at least tooth of a beveled edge
175。
It may be noted that second spring component 480 is configured to act on lock piece 420, in emptying driving system
Lock piece is maintained on the second position when pressure chamber 425 Dong Qi.
Parking brake also comprises the ratchet 446 being mounted on piston rod 421.The ratchet 446 has thread inner surface
476, thread inner surface is configured to cooperate with the thread outer surface 478 of piston rod 421, to allow piston rod 421 to translate
It moves while ratchet 446 being allowed to rotate.
In addition ratchet 446 has outer surface, be provided with dentition 477 on that exterior, and each tooth of dentition has at least
One beveled edge, beveled edge setting is for referring to that 420 dentition 475 cooperates with locking.
Parking brake also comprises third spring member 481, the third spring member stick on internal stop 483 and by
It is configured to act on ratchet 446.
It may be noted that parking brake also comprises manual unlocking part 429, which is configured to act on
Locking refers on 420 and ratchet 446 therefore is freely rotated.
In Figure 12, system is in loading configuration.
In the loading configuration, running brake pressure chamber 413 is not supplied to (it is drained), so that brake piston 408
On its rest position.
Parking braking pressure chamber 425 is then supplied to and pressurizes, so that piston 423 is kept to be located at 424 quilt of the first spring member
On the first position of compression, and make lock piece 420 be located at be provided with dentition 175 skew wall and ratchet 446 and more specifically with
On its external dentition 477 first position spaced apart.Second spring component 480 and third spring member 481 are compressed in herein.
In the loading configuration of system, parking brake is in loading configuration and running brake is in the structure that ceases
Type.
In Figure 13, system is represented as applying configuration in running brake.
This in running brake is applied in configuration, and running brake pressure chamber 413 is supplied to and pressurizes, brake piston
408 is mobile from its first position to the i.e. driving application position in the second position.
It may be noted that piston rod 421 is moved in translation across ratchet 446, the rotation of ratchet 446 is generated, which freely turns
It is dynamic.
It can also be noted that in the configuration shown in Figure 13, as mentioned by referring to Fig.1 2, parking braking pressure chamber 425 1
It is straight pressurized.
This in the running brake of system is applied in configuration, therefore parking brake is constantly in loading configuration and drives a vehicle
Brake is in configuration.
In Figure 14, system is represented as in locking configuration, in the brake piston of the locking configuration middle rolling car brake
It is fixed on 408 second positions shown in Figure 13.
Running brake pressure chamber 413 is pressurized always, and parking brake pressure chamber 425 is drained.
The emptying of parking brake pressure chamber 425 discharges the first spring member 424, and the first spring member will keep piston
423 is mobile from its first position to the second position of referred to as settling position.
Therefore, the extension 487 of piston 423 is kept no longer to recline intermediate device 486, intermediate device is then freely rotated.
Third spring member 481, which unclamps, simultaneously drives ratchet 446 to rotate so that ratchet to extension 487 it is mobile until against
The recessing bar 475 of lock piece 420, the recessing bar 477 and recessing bar 475 of ratchet 446 cooperate.
Intermediate device 486 is then pushed to extension 487 by ratchet 446 and is translated.
Therefore ratchet 446 seats against lock piece 420, and be fixed piston rod 421 also and do not translate.
In the locking configuration of the running brake, each of parking brake and running brake are in work structure
Type.
In Figure 15, system is represented as emptying configuration and unlocked configuration in running brake.
The emptying of running brake pressure chamber 413 is carried out by escaping into the modification in network 3 or as automated manner.
It may be noted that although having emptied running brake pressure chamber 413, by means of parking brake, especially by
It keeps the component that is constituted of piston 424- spring member 424 in lock piece 420- ratchet 446- and combines to be fixed on running brake
Brake piston 408 on piston rod 421, which is maintained on its second position.
In the emptying configuration of the running brake, parking brake is in configuration and running brake is locked in
In its configuration.
In unlocked configuration, apply active force on the unlock piece 429 of parking brake, which is pulled to
The outside of main body 402.
The unlock of the mobile drive lock piece 420 of the unlock piece 429, and second spring component 480 unclamps and fills locking
420 are set to be moved in translation to its second position.
When lock piece 420 reaches its second position, no longer cooperate with ratchet 446, ratchet is then freely rotated.Cause
This, the free shift again of piston rod 421.
In the unlocked configuration, parking brake is in unlocked configuration and running brake is in the configuration that ceases.
In a variant which is not illustrated, distributor is not controlled pneumatically, but electrically or in a hydrodynamic manner to control；
And/or distributor also comprises threshold valve, which is configured to manipulate and control the slide valve of distributor from first state
Go to the second state.In herein, first state corresponds to the first position of slide valve, and the second state corresponds to the second of slide valve
It sets.
Therefore pressure value that threshold valve is configured to the pressurized fluid in parking brake pressure chamber is less than default pressure
When force threshold, slide valve is made to go to the second position from its first position.In fact, the triggering of threshold valve can empty parking brake
Pressure chamber, therefore parking brake pressure chamber is gone into configuration, the brake piston to locking running brake.
It may be noted that in detecting the abrupt pressure reduction in parking brake pressure chamber herein, this is because this pressure
Bust is apparent in the abrupt pressure reduction in driving brake pressure room.In fact, if at parking brake pressure chamber
In the presence of venting, then there is also vent at driving brake pressure room.
The use of this threshold valve is particularly advantageous, this is because in application running brake (as described referring to Fig. 2
) after, running brake pressure chamber and parking brake pressure chamber can be emptied at leisure by venting, without applying parking braking
Device.
Therefore, because the inclination of slide valve can apply parking brake, once the fluid pressure in parking brake pressure chamber
Power is less than preset pressure threshold value (once and therefore the Fluid pressure in running brake pressure chamber is remarkably decreased), and threshold valve can
Avoid the situation.
It can be observed, the actuator of distributor passes through control pipeline in this case and is connected to time brake-press lead, to move
Movable pulley is to activation threshold value valve.
In a variant which is not illustrated:
In the loading configuration of railway brake system, in electrical or mechanical or again hydraulic mode rather than pneumatic mode
To carry out load operation；
In the unlocked configuration of railway brake system, again or mechanical locking piece protects unlock piece by pneumatically or electrically gas
It holds on the unlocked position of parking brake；
In the unlocked configuration of railway brake system, control is unlocked by using at least one cable in a manual manner
System, or with pneumatically or electrically gas again or hydraulic mode come be unlocked control；
The unlocked configuration of railway brake system passes through supply parking brake pressure chamber as loading configuration and obtains
, rather than obtained by actuating unlock piece；
Running brake pressure chamber can automatically be emptied rather than be vented and be drained by system；
Fig. 1 to it is shown in fig. 5 and the locking system and ratchet and/or piston rod of Fig. 6 to system shown in Fig. 9 can
With the dentition as the dentition as shown on the locking system shown in Figure 10 and Figure 11 with ratchet；
It, can be by electric actuator rather than by the adding to the pressure chamber being supplied to by distributor in unlocked configuration
Pressure is to carry out the actuating to locking system；
Railway brake system is not provided with the adjuster between auxiliary memory and running brake pressure chamber, and/or
It is entirely different for being not provided with auxiliary memory and/or the first and second Pneumatic pressure agent sources, rather than comes from identical supervisor
Road；
Railway brake system has the running brake for being not provided with the wedge piece being attached on brake piston, so that should
Brake piston acts directly on push rod, to act on deformable control stick；In this case, brake piston is slotted with it
Bar and push rod together can be along the activities of the second axial direction, and parking brake is configured such that locking is enable to refer to and keep piston
Along first axial direction activity；
Railway brake system has the brake linkage different from brake linkage shown in the drawings, more specifically,
Brake linkage includes the brake shoe for being configured to act directly on the wheel of rolling stock, which is pushed away by being fixed on
Pivot class movable joint on bar is directly hinged；The rigidity control bar being fixed in the main body of system；And it is also secured to rigid control
The deformable control stick on movable joint on bar and brake shoe processed；And/or
Railway brake system has brake linkage, which is configured to act on as described above
The brake with brake shoe on, be provided with the running brake for the wedge piece that with or without is attached on brake piston.
It usually draws attention to, the invention is not limited to described and examples that is showing.
Claims (13)
1. a kind of railway system with the brake (5) at least one liner or at least one brake shoe for rolling stock
Dynamic system, the railway brake system include:
Main body (2；102；202；302；402)；
Brake linkage (4), the brake linkage, which is configured to act at least one, described has at least one
On the brake (5) of liner or at least one brake shoe；
Running brake (6), the running brake have brake piston (8；108；408), the brake piston is relatively described
Main body is movable, and to act on the brake linkage (4), the brake piston limits driving system together with the main body
The pressure chamber Dong Qi (13；113；413), the running brake pressure chamber be configured to by the first Pneumatic pressure agent source (50,
51,53) it is supplied, the brake piston is placed in service brake position；And
Parking brake (7), the parking brake are configured to act on the brake piston of the running brake
On, and there is configuration and the configuration that ceases；
The railway brake system (1) is characterized in that:
The brake piston is arranged in the main body and has there are two side, the two sides, which are respectively as follows:, to be configured to
Act on the first side (17 on the brake linkage (4)；117), and opposite with the first side and towards described
The second side (18 of running brake pressure chamber；118)；
The running brake also comprises piston rod (21；121；221；321；421), the piston rod is arranged in the row
In vehicle brake pressure room and it is fixed in the second side of the brake piston；
The parking brake is arranged in the main body and includes: the lock being arranged in the running brake pressure chamber
Locking apparatus (20；120；220；320；420), the relatively described main body of the locking system is movable, to act on the piston rod
On, and there is first position and the second position；And the control device (23,24 that relatively described main body is movable；123,124,180；
223,280；323,380；423,424), the control device limits parking brake pressure chamber (25 together with the main body；
125；225；325；425) and there is settling position, the parking brake pressure chamber is configured to by the second Pneumatic pressure agent
Source (50,51,54,58) is supplied；
The locking system and the control device are configured to:
When the brake piston is located on service brake position and when the parking brake is in configuration, the control
Device processed acts on the locking system, and until the fixed piston rod of the locking system, the brake piston is locked
Only in driving application position, the locking system is then situated on its second position and the control device is located at its stabilization position
It sets；With
When the parking brake is in and ceases configuration, the control device is acted on the locking system, until described
Locking system discharges the piston rod, the brake piston is unlocked from its service brake position, the locking system is therefore
On its first position；
When the parking brake is in configuration, the brake force that is applied on the brake linkage with by driving a vehicle
The brake force that the running brake in application position is applied on the brake linkage is directly related, and with by described
The active force that locking system is applied on the piston rod is unrelated.
2. railway brake system according to claim 1, which is characterized in that the locking system (20) at least partly cloth
It sets in the parking brake pressure chamber (25).
3. railway brake system according to claim 1, which is characterized in that the locking system (120；220；320；
420) it is arranged in the main body (102；202；302；402) with the parking brake pressure chamber (125；225；325；425)
The chamber (134 distinguished；234；334；434) in.
4. according to claim 1 to railway brake system described in any one of 3, which is characterized in that the locking system is by locking
Only refer to (20；120；220；320；420) it is formed, the control device is by holding piston (23；123；223；323；And spring 423)
Component (24；124；224；324；424) it is formed, the relatively described main body of holding piston is movable and limits together with the main body
Parking brake pressure chamber；The holding piston is configured to will when the parking brake pressure chamber is supplied to and pressurizes
The locking, which refers to, to be maintained on its first position, and in the first position that locking refers to, the locking refers to keeps apart with the piston rod；
The spring member be configured to refer to the locking when the parking brake pressure chamber is drained be maintained at its second
On position, in the second position that locking refers to, the locking refers to the fixed piston rod.
5. railway brake system according to claim 4, which is characterized in that the spring member (24；124；424) it arranges
In the parking brake pressure chamber (25；125；425) in.
6. railway brake system according to claim 4, which is characterized in that the spring member (180；280；380) cloth
It sets in the main body (102；202；302) the chamber (134 distinguished with the parking brake pressure chamber；234；334) in.
7. railway brake system according to claim 4, which is characterized in that the locking system includes two spring structures
Part, one is arranged in the parking brake pressure chamber (125) in the two spring members, another in the two spring members
It is a to be arranged in the chamber (134) of the main body (102) distinguished with the parking brake pressure chamber (125).
8. according to claim 1 to railway brake system described in any one of 3, which is characterized in that the parking brake is another
It outside include intermediate control-rod (147；247), the intermediate control-rod is attached to the locking system (120 simultaneously；220) and it is described
Control device (123；223) it on and is configured to respond the movement of the control device and activate the locking system.
9. according to claim 1 to railway brake system described in any one of 3, which is characterized in that the locking system (20；
120；220) there is the tooth (175 at least one beveled edge in its distal end；275), described at least one beveled edge
Tooth is configured to and the piston rod (21；221) the complementary dentition (76 at least one beveled edge；176；276；
476) or it is arranged in the piston rod (21；And the locking system (20 221)；120；220) middleware (146 between；446)
Complementary dentition (76；176；276；476) cooperate in a complementary fashion.
10. according to claim 1 to railway brake system described in any one of 3, which is characterized in that the locking system
(320) there is the tooth (375) with straight edge in its distal end, the tooth with straight edge is configured to and the piston rod
Complementary dentition (376) with straight edge or the middleware that is arranged between the piston rod and the locking system (320)
(346) complementary dentition (375) cooperates in complementary fashion.
11. according to claim 1 to railway brake system described in any one of 3, which is characterized in that the running brake is another
Outer includes being mounted on the piston rod (121；421) ratchet (146 on；246；346；446), the ratchet is configured to
When the locking system is located on the second position with the locking system (120；220；320；420) it is meshed, described in fixation
Piston rod.
12. according to claim 1 to railway brake system described in any one of 3, which is characterized in that the parking brake
(7) it is additionally included in the unlock piece (29 of parking brake described in manual unlocking when the parking brake is in configuration；
429), the unlock piece is configured to act on the locking system (20；420) on.
13. a kind of including according to claim 1 to the braking of the rolling stock of railway brake system described in any one of 9 (1)
Method, the braking method the following steps are included:
With the second Pneumatic pressure agent source (50；51；54；58) the parking brake pressure chamber of the railway brake system (1) is supplied
(25；125；225；325；425), with the control device (23,24 of the movement railway brake system；123,124,180；223,
280；323,380；423,424), the control device is made to act on the locking system (20 of the railway brake system；120；220；
320；420) on, until the locking system discharges the brake piston (8 of the railway brake system；108；408), the railway
The parking brake (7) of braking system is then in the configuration that ceases；
With the first Pneumatic pressure agent source (50；51；53) the running brake pressure chamber (13 of the railway brake system is supplied；
113；413) brake piston, is placed in service brake position；
Control empties the parking brake pressure chamber, with the movement locking system, until the locking system is by the braking
Piston is fixed on its service brake position, and the parking brake is then in configuration；And
Control empties the running brake pressure chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410858475.4A CN105882679B (en) | 2014-12-31 | 2014-12-31 | Railway braking system for railway vehicle and braking method of railway vehicle having such system |
| CN201910158411.6A CN109808728B (en) | 2014-12-31 | 2014-12-31 | Railway brake system for railway vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410858475.4A CN105882679B (en) | 2014-12-31 | 2014-12-31 | Railway braking system for railway vehicle and braking method of railway vehicle having such system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910158411.6A Division CN109808728B (en) | 2014-12-31 | 2014-12-31 | Railway brake system for railway vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105882679A CN105882679A (en) | 2016-08-24 |
| CN105882679B true CN105882679B (en) | 2019-03-01 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910158411.6A Active CN109808728B (en) | 2014-12-31 | 2014-12-31 | Railway brake system for railway vehicles |
| CN201410858475.4A Expired - Fee Related CN105882679B (en) | 2014-12-31 | 2014-12-31 | Railway braking system for railway vehicle and braking method of railway vehicle having such system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910158411.6A Active CN109808728B (en) | 2014-12-31 | 2014-12-31 | Railway brake system for railway vehicles |
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| Country | Link |
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| CN (2) | CN109808728B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644263B (en) * | 2018-08-13 | 2023-07-04 | 眉山中车制动科技股份有限公司 | Pneumatic locking mechanism |
| CN108662048B (en) * | 2018-08-13 | 2023-07-04 | 眉山中车制动科技股份有限公司 | Locking mechanism |
| FR3093487B1 (en) * | 2019-03-04 | 2021-04-02 | Faiveley Transp Amiens | Rail braking system comprising a parking brake indicator device and rail vehicle provided with such a system |
| WO2022142567A1 (en) * | 2021-01-04 | 2022-07-07 | 中车青岛四方车辆研究所有限公司 | Relief apparatus and parking brake cylinder |
| CN115899128A (en) * | 2022-11-18 | 2023-04-04 | 中车戚墅堰机车车辆工艺研究所有限公司 | Parking cylinders, brake cylinders with parking function, brake caliper units and rail vehicles |
| CN115711269A (en) * | 2022-11-18 | 2023-02-24 | 中车戚墅堰机车车辆工艺研究所有限公司 | Parking cylinder, brake cylinder with parking function, brake caliper unit and railway vehicle |
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| GB1280725A (en) * | 1968-10-02 | 1972-07-05 | Knorr Bremse Gmbh | Brake actuating devices |
| US5701974A (en) * | 1994-07-22 | 1997-12-30 | Westinghouse Air Brake Company | Railway hand brake apparatus with visual condition indicator |
| EP1264751A2 (en) * | 2001-06-05 | 2002-12-11 | Westinghouse Air Brake Technologies Corporation | Mechanical sensor for a quick release hand brake |
| EP2154040A1 (en) * | 2008-08-13 | 2010-02-17 | Faiveley Transport Amiens | Parking or emergency brake actuator for a brake with unlocking by balls |
| CN104169144A (en) * | 2012-02-10 | 2014-11-26 | 克诺尔商用车制动系统有限公司 | Combined service and parking brake cylinder with diaphragm lockable with parking brake piston |
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| GB0410838D0 (en) * | 2004-05-14 | 2004-06-16 | Meritor Heavy Vehicle Braking | Parking brake assembly |
| ITMI20061513A1 (en) * | 2006-07-31 | 2008-02-01 | Poli Costruzione Materiali Trazione Spa | COMPACT BRAKING DISC UNIT FOR RAIL VEHICLES |
| CN103085795B (en) * | 2007-01-31 | 2015-02-04 | 韦伯太克控股公司 | Parking brake assembly for railway vehicle brake system |
| JP5131502B2 (en) * | 2009-02-27 | 2013-01-30 | トヨタ自動車株式会社 | Brake device |
| EP2619052B1 (en) * | 2010-09-23 | 2019-11-13 | Continental Teves AG & Co. OHG | Retaining function for a motor vehicle |
| US9409552B2 (en) * | 2012-08-29 | 2016-08-09 | GM Global Technology Operations LLC | Electronic park brake module and system and method for use |
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- 2014-12-31 CN CN201910158411.6A patent/CN109808728B/en active Active
- 2014-12-31 CN CN201410858475.4A patent/CN105882679B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1280725A (en) * | 1968-10-02 | 1972-07-05 | Knorr Bremse Gmbh | Brake actuating devices |
| US5701974A (en) * | 1994-07-22 | 1997-12-30 | Westinghouse Air Brake Company | Railway hand brake apparatus with visual condition indicator |
| EP1264751A2 (en) * | 2001-06-05 | 2002-12-11 | Westinghouse Air Brake Technologies Corporation | Mechanical sensor for a quick release hand brake |
| EP2154040A1 (en) * | 2008-08-13 | 2010-02-17 | Faiveley Transport Amiens | Parking or emergency brake actuator for a brake with unlocking by balls |
| CN104169144A (en) * | 2012-02-10 | 2014-11-26 | 克诺尔商用车制动系统有限公司 | Combined service and parking brake cylinder with diaphragm lockable with parking brake piston |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105882679A (en) | 2016-08-24 |
| CN109808728B (en) | 2020-10-09 |
| CN109808728A (en) | 2019-05-28 |
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