CN113315017B - Electric propulsion mechanism without auxiliary motor - Google Patents
Electric propulsion mechanism without auxiliary motor Download PDFInfo
- Publication number
- CN113315017B CN113315017B CN202110643131.1A CN202110643131A CN113315017B CN 113315017 B CN113315017 B CN 113315017B CN 202110643131 A CN202110643131 A CN 202110643131A CN 113315017 B CN113315017 B CN 113315017B
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- interlocking
- plate
- push rod
- circuit breaker
- fixed
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- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
The application relates to the field of circuit breakers, and discloses an electric propulsion mechanism without an auxiliary motor, which comprises a chassis panel, a transmission screw rod driven by a driving motor and a circuit breaker frame which is rotationally connected with the transmission screw rod and can horizontally slide; the chassis vehicle panel is provided with a socket which is opened and closed through an interlocking shaft operation piece, and is provided with an interlocking mechanism for driving the interlocking shaft operation piece to be opened and closed; the interlocking mechanism comprises a push rod and a pressing plate which is inserted into the frame of the circuit breaker; a notch groove is formed in one side of the pressing plate, which is close to the push rod, and when the push rod is abutted against the side wall of the pressing plate, the interlocking shaft operating piece opens the socket; when the circuit breaker moves to a working position, the push rod is abutted against the notch groove, and the interlocking shaft operation piece closes the socket. The application has the advantages that: the motor drives the transmission screw rod to rotate, the push rod moves along the pressing plate synchronously along with the frame of the circuit breaker, and when the push rod is respectively abutted to the side wall or the notch groove of the pressing plate, the opening and closing of the interlocking shaft operation piece at the socket are realized, and the problem of high failure rate of using two motors is solved.
Description
Technical Field
The application relates to the technical field of circuit breakers, in particular to an electric propulsion mechanism without an auxiliary motor.
Background
When the circuit breaker is installed in a complete cabinet body such as a switch cabinet, the circuit breaker is usually required to be pushed by a chassis vehicle panel to move horizontally to a working position; the chassis is rotatably connected with a transmission screw rod, a breaker frame supporting the breaker is in threaded connection with the transmission screw rod, and when the chassis and the breaker push the switch cabinet, the transmission screw rod rotates to drive the breaker to move so as to realize pushing operation.
As shown in fig. 1, at present, a process of pushing a breaker is controlled by two motors, namely a main motor 5 and a secondary motor 6, a square pull rod 2 is rotatably connected to a chassis vehicle panel 1, and a square hole corresponding to the square pull rod 2 is formed in a breaker frame 3 and can slide along the square pull rod 2; the auxiliary motor 6 controls the square pull rod 2 to rotate, a circular shaft section is arranged on the square pull rod 2, and when the breaker frame 3 moves to the circular shaft section, the breaker can be switched on and off; the main motor 5 controls the rotation of the transmission screw rod 4 to drive the movement of the frame of the circuit breaker so as to push the circuit breaker into the switch cabinet; when the square pull rod 2 is aligned with the square hole, the breaker frame 3 can move along the square pull rod and finally be positioned to the working position of the circular shaft section, and then the auxiliary motor 6 drives the square pull rod 2 to rotate, so that the square hole and the square pull rod 2 are dislocated, and the breaker is positioned at the working position.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: different mechanisms are controlled through two motors to realize the in-out control of the circuit breaker, the failure rate of the device is high, and once one motor fails, the device cannot operate, so that improvement is still needed.
Disclosure of Invention
In order to reduce the fault rate in the process of propelling the circuit breaker, the application provides an electric propulsion mechanism without an auxiliary motor.
The application provides an electric propulsion mechanism without an auxiliary motor, which adopts the following technical scheme:
An electric propulsion mechanism without an auxiliary motor comprises a chassis vehicle panel, a transmission screw rod and a breaker frame rotationally connected to the transmission screw rod, wherein a driving motor for driving the transmission screw rod to rotate is fixed on the breaker frame; a socket which can be inserted into an operating handle for driving the transmission screw rod to rotate is formed in the chassis vehicle panel corresponding to the transmission screw rod, an interlocking shaft operating piece capable of opening and closing the socket is movably connected to the socket, and a interlocking mechanism for driving the interlocking shaft operating piece to open and close the socket is arranged on the chassis vehicle panel; the interlocking mechanism comprises a push rod and a pressing plate which is fixed on the chassis panel and extends along the moving direction of the circuit breaker, and the pressing plate penetrates through the circuit breaker frame; the push rod is arranged on the breaker frame and movably abutted against the pressing plate, and the push rod can drive the interlocking shaft operation piece to open and close; when the push rod is abutted against the side wall of the pressing plate, the interlocking shaft operation piece opens the socket; and a notch groove is formed in one side of the pressing plate, which is close to the push rod, and when the circuit breaker moves to a working position, the push rod is abutted to the notch groove, and the interlocking shaft operating piece closes the socket.
Through adopting above-mentioned technical scheme, through a motor drive transmission lead screw rotation, by the removal drive push rod of circuit breaker frame removal, when the push rod butt in the lateral wall of clamp plate or the breach groove on the clamp plate respectively, realize opening and close of interlocking axle operation piece in socket department, and when the socket is closed, the circuit breaker can't get in and out, adopt two motor control different mechanisms in the correlation technique of the present to realize the business turn over control to the circuit breaker, the higher problem of fault rate of device has been solved from this.
Further: the notch grooves are positioned at two ends of the pressing plate, and when the push rods are respectively abutted against the corresponding notch grooves, the circuit breaker is respectively positioned at an initial position and a working position; the ends of the side walls, which are close to each other, of the opposite notch grooves close to the outer side walls of the pressing plate are inclined towards the approaching direction.
Through adopting above-mentioned technical scheme, the setting in two breach grooves, one is initial position, and another is the position of during operation, and the structure is more reasonable, and the inclined plane on the lateral wall in breach groove makes the push rod move to the process of the lateral wall of clamp plate from breach groove more easily realize to can play the guide effect to the removal of push rod.
Further: the interlocking mechanism further comprises an interlocking structure, the interlocking structure comprises a square tube, a fixed plate, an interlocking plate and a rotating plate, the rotating plate is rotationally connected to the frame of the circuit breaker through a rotating shaft, and the rotating plate is fixedly connected with the push rod; the square tube penetrates through and is rotationally connected to the corresponding position on the chassis vehicle panel and the breaker frame and extends in the same direction with the pressing plate, and one end of the square tube, which penetrates through the outside of the chassis vehicle panel, is rotationally connected to the interlocking shaft operation piece; the fixed plate is positioned at the position opposite to the rotating plate, the fixed plate is fixed on the square tube and extends in the same direction as the rotating plate, and two ends of the linkage plate are respectively connected to the extending ends of the fixed plate and the rotating plate in a rotating way; and the square tube is connected with a reset elastic piece.
Through adopting above-mentioned technical scheme, when the push rod removes to the lateral wall in the clamp plate of butt from breach groove, the pivoted plate rotates with the axis of rotation as the axis along with the removal of push rod, makes the linkage plate drive fixed plate and side's pipe rotation, drives the opening and close of interlocking axle operation piece.
Further: the extension board is fixed on the square pipe at the position staggered with the fixed plate, the extension board extends towards one side far away from the push rod, the support shaft is fixed on the circuit breaker frame, the reset elastic piece is a tension spring, one end of the tension spring is sleeved on the extension board, and the other end of the tension spring is sleeved on the support shaft.
Through adopting above-mentioned technical scheme, extension board and back shaft are used for supporting the extension spring, provide the space for the connection of extension spring and side's pipe through the extension board, rotate and tensile extension spring when side's pipe, can reset automatically under the restoring force effect of extension spring.
Further: when the breaker is switched on, the interlocking shaft operation piece is closed at the socket, and the extension plate is positioned by the positioning mechanism.
Through adopting above-mentioned technical scheme, when the circuit breaker is closed, the interlocking axle operation piece is closed in the socket, and the extension board is fixed a position by positioning mechanism this moment, avoids the interlocking axle operation piece to open easily, produces the interference to the circuit breaker closing process.
Further: the positioning mechanism comprises a locking electromagnet and a positioning plate, wherein the positioning plate is fixed on one side of the extension plate, which is close to the push rod, and extends obliquely; when the breaker is closed, the interlocking shaft operation piece is closed in the socket, and the telescopic rod extends out and is abutted to the positioning plate.
Through adopting above-mentioned technical scheme, carry out the butt location to the locating plate by the telescopic link on the latching electromagnet, avoid the interlocking axle operation piece to move about again after the circuit breaker is closed a floodgate, make the use of device safer reasonable.
Further: the square pipe is close to the outer one end fixedly connected with interlock pole of chassis car panel, interlock pole wears to locate the chassis car panel outward and is connected to the interlocking axle operation piece through rotating-structure.
Through adopting above-mentioned technical scheme, the rotating structure makes square pipe and interlocking axle operation piece can realize the linkage.
Further: the rotating structure comprises a crank arm and a linkage piece, wherein the crank arm is fixed at one end of the linkage rod, which is arranged outside the chassis vehicle panel in a penetrating way, the linkage piece is bent, extended and fixed on the interlocking shaft operation piece, a movable groove is formed in the linkage piece, and a linkage shaft which penetrates through the movable groove is fixed on the crank arm.
Through adopting above-mentioned technical scheme, through setting up of turning arm and linkage piece for the rotation connection of interlock pole and interlocking axle operation piece provides the space, rotates when the interlock pole, the linkage axle slides along the movable groove to drive the opening and close of interlocking axle operation piece in socket department.
Further: the chassis vehicle panel is relatively and slidably connected with interlocking plates, two interlocking plates are correspondingly provided with jacks for plugging interlocking rods, one side of each jack is communicated with a moving groove with the height smaller than that of each jack, and the moving grooves on the two interlocking plates extend towards the directions away from each other; horizontal tangential planes are formed on the side walls of the interlocking bars respectively corresponding to the side walls of the moving grooves, and inserted bars which can be inserted on upright post beams of the switch cabinet are respectively fixed at the ends, away from each other, of the opposite interlocking plates; when the interlocking shaft operation piece is closed at the socket, the tangent planes are respectively attached to the corresponding side walls of the moving groove, and the interlocking plate can move horizontally; the interlocking plate is fixedly provided with a handle penetrating through the chassis vehicle panel, and the side wall of the chassis vehicle panel is provided with an opening for sliding the handle.
Through adopting above-mentioned technical scheme, the rotation of side pipe drives the rotation of interlock pole, and when interlock axle operation piece closed in socket department, the tangent plane laminating respectively in the lateral wall that corresponds of removal groove, but the horizontal migration of interlock board, open the socket when interlock axle operation piece, the inserted bar is pegged graft on the stand roof beam of cubical switchboard, and the tangent plane butt is in jack and removal groove junction this moment, and two interlock boards can't relative movement.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the motor drives the transmission screw rod to rotate, the push rod is driven to move by the movement of the frame of the circuit breaker, when the push rod is respectively abutted against the side wall of the pressing plate or the notch groove on the pressing plate, the opening and closing of the interlocking shaft operation piece at the socket are realized, and when the socket is closed, the circuit breaker cannot enter and exit, so that the problems that in the prior related art, two motors are adopted to control different mechanisms to realize the entering and exiting control of the circuit breaker, and the failure rate of the device is higher are solved;
2. the inclined surface on the side wall of the notch groove enables the push rod to move from the notch groove to the side wall of the pressing plate more easily, and the push rod can move in a guiding way;
3. when the circuit breaker is switched on, the interlocking shaft operation piece is closed at the socket, and the positioning is realized by abutting the telescopic rod on the locking electromagnet on the positioning plate, so that the interlocking shaft operation piece is prevented from moving again after the circuit breaker is switched on, and the device is safer and more reasonable to use;
4. When the interlocking shaft operation piece is closed at the jack, the tangent planes are respectively attached to the corresponding side walls of the movable groove, the interlocking plates can move horizontally, when the interlocking shaft operation piece is opened, the inserting rod is inserted on the upright post beam of the switch cabinet, and at the moment, the tangent planes are abutted to the joint of the inserting hole and the movable groove, and the two interlocking plates cannot move relatively.
Drawings
FIG. 1 is a schematic diagram of a related art structure in the background art;
FIG. 2 is a schematic diagram of an embodiment of the present application;
FIG. 3 is a schematic view of a portion of an interlock shaft operating plate mounted to a socket in accordance with an embodiment of the present application;
FIG. 4 is a schematic view showing the structure of the linkage structure of the embodiment of the present application;
FIG. 5 is an enlarged schematic view of the portion A of FIG. 3;
FIG. 6 is a schematic view of a partial structure of a latching electromagnet according to an embodiment of the present application when the latching electromagnet abuts against a positioning plate;
Fig. 7 is a schematic view showing a partial exploded structure of the interlock lever and interlock plate cooperation of the embodiment of the present application.
Reference numerals illustrate: 1. chassis vehicle panels; 11. a socket; 2. a square pull rod; 3. a circuit breaker frame; 31. a mounting plate; 32. a support shaft; 4. a transmission screw rod; 5. a main motor; 6. an auxiliary motor; 7. a driving motor; 8. an interlocking shaft operation piece; 9. a linkage mechanism; 91. a pressing plate; 911. a notch groove; 92. a push rod; 93. a linkage structure; 931. square tubes; 932. a fixing plate; 933. a linkage plate; 934. a rotating plate; 10. an extension plate; 12. a tension spring; 13. a lock lever; 131. cutting into sections; 14. a rotating structure; 141. a crank arm; 1411. a linkage shaft; 142. a linkage piece; 1421. a movable groove; 15. a positioning mechanism; 151. locking the electromagnet; 1511. a telescopic rod; 152. a positioning plate; 16. a interlock plate; 161. a jack; 162. a moving groove; 163. a handle; 164. a rod; 17. and (5) opening holes.
Detailed Description
The related art in the background art is shown in fig. 1, and the present application is described in further detail below with reference to fig. 2 to 7.
The embodiment of the application discloses an electric propulsion mechanism without an auxiliary motor. Referring to fig. 2, an automatic interlocking device of a circuit breaker chassis panel 1 comprises a chassis panel 1, a transmission screw 4 and a circuit breaker frame 3 rotatably connected to the transmission screw 4, wherein a driving motor 7 for driving the transmission screw 4 to rotate is fixed on the circuit breaker frame 3, and the circuit breaker frame 3 can slide horizontally along the transmission screw 4 along with the rotation of the transmission screw 4 so as to push a circuit breaker into a working position; it should be noted that the drive motor 7 can only be started if the circuit breaker is in the open state.
Referring to fig. 2 and 3, a socket 11 which can be inserted into an operating handle for driving the driving screw 4 to rotate is formed on the chassis vehicle panel 1 corresponding to the driving screw 4, so that the driving motor 7 can be adopted to push in the circuit breaker in an electric mode, and the operating handle can be adopted to push in the circuit breaker in a manual mode, and the device can still operate when the driving motor 7 fails.
Referring to fig. 2 and 3, an interlocking shaft operation piece 8 capable of opening and closing the jack 11 is movably connected to the jack 11, and the interlocking shaft operation piece 8 can be lifted and lowered in the vertical direction at the jack 11; the chassis car panel 1 is provided with a linkage mechanism 9 for driving the interlocking shaft operation piece 8 to open and close the socket 11, the linkage mechanism 9 comprises a pressing plate 91 fixed on the chassis car panel 1 and extending along the moving direction of the circuit breaker, and the pressing plate 91 is positioned below the transmission screw 4 and penetrates through the circuit breaker frame 3, so that the circuit breaker frame 3 can slide along the pressing plate 91.
Referring to fig. 2 and 4, the interlocking mechanism 9 further includes a push rod 92, a mounting plate 31 is mounted on the breaker frame 3 and located at one side of the pressing plate 91, two ends of the mounting plate 31 are bent and extended in a direction parallel to the extending direction of the pressing plate 91, the push rod 92 is inserted into the bent end of the mounting plate 31 to enable the push rod 92 to be located in a direction perpendicular to the pressing plate 91, and the push rod 92 can slide horizontally in a direction approaching or separating from the pressing plate 91, so that the push rod 92 can move synchronously with the breaker frame 3 and can be abutted against the side wall of the pressing plate 91; it should be noted that the end of the push rod 92 near the platen 91 may be provided with rollers to facilitate the sliding of the push rod 92 along the platen 91.
Referring to fig. 3 and 4, the interlocking mechanism 9 further includes a linkage structure 93, wherein the linkage structure 93 includes a square tube 931, the square tube 931 is penetrated and rotatably connected to the corresponding positions on the chassis panel 1 and the breaker frame 3 and extends in the same direction as the pressing plate 91, and the square tube 931 is located below the pressing plate 91; one end of the square tube 931 penetrating the chassis panel 1 is linked with the interlocking shaft operation piece 8, so that when the square tube 931 rotates, the interlocking shaft operation piece 8 can be driven to be opened and closed at the socket 11.
Referring to fig. 4 and 5, an interlocking rod 13 is fixedly connected to one end of a square tube 931, which is close to the outside of the chassis panel 1, and the interlocking rod 13 is arranged outside the chassis panel 1 in a penetrating manner and is connected to the interlocking shaft operation piece 8 through a rotating structure 14; the rotating structure 14 comprises a crank arm 141 and a linkage piece 142, wherein the crank arm 141 is fixed at one end of the linkage rod 13 penetrating through the chassis vehicle panel 1, the linkage piece 142 is bent, extended and fixed on the interlocking shaft operation piece 8 and opposite to the crank arm 141, a movable groove 1421 is formed in the linkage piece 142, and a linkage shaft 1411 penetrating through and moving in the movable groove 1421 is fixed on the crank arm 141; when the interlocking lever 13 rotates, the interlocking shaft 1411 slides along the movable groove 1421 and drives the interlocking shaft operating piece 8 to rise and fall.
Referring to fig. 3 and 4, the linkage structure 93 further includes a fixed plate 932, a linkage plate 933, and a rotating plate 934, wherein the rotating plate 934 is rotatably connected to the circuit breaker frame 3 through a rotating shaft, the rotating plate 934 is located between two bending ends of the mounting plate 31 and extends longitudinally, and the rotating plate 934 is fixedly connected to the push rod 92 at a position below the rotating shaft, so that the horizontal movement of the push rod 92 can drive the left and right movement of the lower end of the rotating plate 934; the fixed plate 932 is fixed on one side of the square tube 931 close to the push rod 92 and longitudinally extends, two ends of the linkage plate 933 are respectively and rotatably connected to lower end portions of the fixed plate 932 and the rotating plate 934, therefore when the push rod 92 horizontally slides, the rotating plate 934 drives the linkage plate 933, the linkage plate 933 drives the fixed plate 932 and the square tube 931 to synchronously move, and accordingly the interlocking shaft operation piece 8 is driven to be opened or closed at the socket 11.
Referring to fig. 3 and 4, a reset elastic member is connected to the square tube 931, so that the square tube 931 can be automatically reset after being rotated to open the interlocking shaft operation piece 8, thereby automatically closing the interlocking shaft operation piece 8 at the socket 11.
Referring to fig. 3 and 4, an extension plate 10 is fixed at the position of the bottom of the square tube 931, which is staggered with the fixed plate 932, the extension plate 10 extends toward the side far away from the push rod 92, a supporting shaft 32 is fixed above the side of the circuit breaker frame 3, which is far away from the push rod 92, of the extension plate 10, a restoring elastic member is a tension spring 12, one end of the tension spring 12 is sleeved on the extension plate 10, the other end of the tension spring is sleeved on the supporting shaft 32, when the square tube 931 rotates to enable the interlocking shaft operating piece 8 to open the socket 11, the tension spring 12 is in a stretching state, and at the moment, the square tube 931 can automatically restore under the restoring force of the tension spring 12 to enable the interlocking shaft operating piece 8 to be closed at the socket 11.
Referring to fig. 4, the two ends of the pressing plate 91 near one side of the push rod 92 are provided with notch grooves 911, when the circuit breaker is at the initial position or moves to the working position, the push rod 92 is respectively abutted to the notch grooves 911 at the corresponding positions; the end parts of the side walls of the opposite notch grooves 911, which are close to each other, are inclined towards the approaching direction of the outer side walls of the pressing plates 91, so that the process of moving the push rods 92 from the notch grooves 911 to the side walls of the pressing plates 91 is easier to realize, and the movement of the push rods 92 can be guided; when the push rod 92 is abutted against the side wall of the pressing plate 91, the tension spring 12 is in a stretched state; when the push rod 92 abuts against the notch groove 911, the tension spring 12 can be restored to the original state.
Referring to fig. 4 and 6, when the circuit breaker is closed, the interlocking shaft operating piece 8 moves upward, and the extension plate 10 is positioned by the positioning mechanism 15 at this time, so that the problem that the interlocking shaft operating piece 8 can be opened at will during the closing process of the circuit breaker, and thus interference to the operation of the circuit breaker is likely to occur is avoided.
Referring to fig. 4 and 6, the positioning mechanism 15 includes a locking electromagnet 151 and a positioning plate 152, the positioning plate 152 is fixed on one side of the extension plate 10 close to the push rod 92 and extends obliquely downwards, the locking electromagnet 151 is fixed on the lower portion of the circuit breaker frame 3 and is located close to the positioning plate 152, a telescopic rod 1511 is movably connected to the locking electromagnet 151, and the telescopic rod 1511 is always retracted in the locking electromagnet 151 in the pushing and pushing process of the circuit breaker.
As shown in fig. 3 and 6, when the circuit breaker is closed, the interlocking shaft operating piece 8 is closed in the socket 11, and the telescopic rod 1511 extends out and abuts against one side of the positioning plate 152 close to the push rod 92.
Referring to fig. 4 and 7, the inner side wall of the chassis panel 1 is relatively slidably connected with an interlocking plate 16, two interlocking plates 16 are correspondingly provided with insertion holes 161 for inserting the interlocking rod 13, one side of each insertion hole 161 is communicated with a moving groove 162 with a height smaller than that of each insertion hole 161, the moving grooves 162 on the two interlocking plates 16 extend towards the direction away from each other, the side walls of the interlocking rod 13 are respectively provided with horizontal tangential planes 131 corresponding to the upper side wall and the lower side wall of the moving groove 162, and the opposite sides of the interlocking plates 16 away from each other are respectively fixed with an inserting rod 164 which can be inserted on a column beam of the switch cabinet.
Referring to fig. 3 and 7, when the interlocking shaft operating piece 8 is closed at the socket 11, the two tangential surfaces 131 are respectively attached to the corresponding upper and lower sidewalls of the moving slot 162, and the interlocking plate 16 can move horizontally; when the two interlocking plates 16 move in opposite directions, the inserting rod 164 is inserted into the upright beam of the switch cabinet; when the two interlock plates 16 are moved toward each other, the plunger 164 is disengaged from the column beam of the switchgear.
Referring to fig. 3 and 7, the handles 163 penetrating the chassis panel 1 are fixed to the two interlocking plates 16, and openings 17 for sliding the corresponding handles 163 are formed in the side walls of the chassis panel 1, so that the sliding control plunger 164 of the handles 163 is driven to be inserted into or separated from the column beams of the switch cabinet.
The implementation principle of the embodiment of the application is as follows:
When the circuit breaker is pushed in, the circuit breaker frame 3 is located at an initial position close to one end of the chassis panel 1, at this time, the push rod 92 is abutted against a notch groove 911 close to the chassis panel 1 on the pressing plate 91, the interlocking shaft operating piece 8 is closed at the socket 11, at this time, the interlocking shaft operating piece 8 can be manually pushed down to open the socket 11, the operation handle is conveniently inserted to rotate the transmission screw rod 4 manually, and the circuit breaker frame 3 and the circuit breaker are pushed in.
When the driving motor 7 is started, the transmission screw rod 4 rotates, the breaker frame 3 is pushed into the switch cabinet along the pressing plate 91, at the moment, the push rod 92 moves along the inclined side wall close to the notch groove 911 of the chassis panel 1 and vertically moves towards the direction away from the pressing plate 91 until the push rod 92 moves to the position which is abutted against the side wall of the pressing plate 91 and is staggered with the notch groove 911, meanwhile, the lower end of the rotating plate 934 rotates clockwise, the linkage plate 933 drives the fixed plate 932 and the square tube 931 to rotate anticlockwise, the extension plate 10 moves towards the direction away from the supporting shaft 32, the tension spring 12 is stretched, the linkage rod 13 and the square tube 931 synchronously rotate anticlockwise, the linkage shaft 1411 slides along the movable groove 1421 and drives the linkage plate 142 to move downwards, and accordingly the interlocking shaft operating piece 8 moves downwards to open the jack 11.
In addition, when square pipe 931 rotates, tangent plane 131 butt in jack 161 and removal groove 162 junction, and two interlock boards 16 are locked to interlock pole 13, and the inserted bar 164 is pegged graft on the stand roof beam of cubical switchboard steadily, when avoiding the circuit breaker to impel the in-process and receiving the resistance, chassis car panel 1 from the cubical switchboard roll-off, reduces the interference that the in-process of pushing the circuit breaker produced.
When the circuit breaker frame 3 moves to the push rod 92 moving along the inclined side wall of the notch groove 911 far away from the chassis panel 1 and moving vertically toward the direction close to the pressing plate 91, the push rod 92 moves to abut against the notch groove 911 far away from the chassis panel 1 under the restoring force of the tension spring 12, at the same time, the lower end of the rotating plate 934 rotates counterclockwise, the linkage plate 933 drives the fixed plate 932 and the square tube 931 to rotate clockwise, the extending plate 10 moves toward the direction close to the supporting shaft 32, the linkage rod 13 rotates clockwise in synchronization with the square tube 931, the linkage shaft 1411 slides along the movable groove 1421 and drives the linkage plate 142 to move upward, so that the linkage shaft operating piece 8 moves upward to close the socket 11, and the positioning plate 152 rotates downward to the side close to the pressing plate 91 of the locking electromagnet 151, at this time the circuit breaker can be closed.
When the circuit breaker is switched on, the locking electromagnet 151 is started, the telescopic rod 1511 stretches out and abuts against the side wall of the positioning plate 152, the purpose of locking the interlocking shaft operating piece 8 is achieved, and the situation that the interlocking shaft operating piece 8 is randomly opened and closed after the circuit breaker is switched on to influence the operation safety of the device is avoided.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. An electric propulsion mechanism without an auxiliary motor comprises a chassis vehicle panel (1), a transmission screw rod (4) and a breaker frame (3) rotatably connected to the transmission screw rod (4), wherein a driving motor (7) for driving the transmission screw rod (4) to rotate is fixed on the breaker frame (3); the chassis car panel (1) is provided with a socket (11) which corresponds to the transmission screw (4) and can be inserted into an operating handle for driving the transmission screw (4) to rotate, and is characterized in that: an interlocking shaft operation piece (8) capable of opening and closing the jack (11) is movably connected to the jack (11), and an interlocking mechanism (9) for driving the interlocking shaft operation piece (8) to open and close the jack (11) is arranged on the chassis vehicle panel (1); The interlocking mechanism (9) comprises a push rod (92) and a pressing plate (91) which is fixed on the chassis vehicle panel (1) and extends along the moving direction of the circuit breaker, and the pressing plate (91) is arranged on the circuit breaker frame (3) in a penetrating way; the push rod (92) is arranged on the breaker frame (3) and movably abuts against the pressing plate (91), and the push rod (92) can drive the interlocking shaft operation piece (8) to be opened and closed; when the push rod (92) is abutted against the side wall of the pressing plate (91), the interlocking shaft operation piece (8) opens the socket (11); a notch groove (911) is formed in one side, close to the push rod (92), of the pressing plate (91), and when the circuit breaker moves to a working position, the push rod (92) is abutted to the notch groove (911), and the interlocking shaft operation piece (8) closes the socket (11); The notch grooves (911) are positioned at two ends of the pressing plate (91), and when the push rods (92) are respectively abutted against the corresponding notch grooves (911), the circuit breaker is respectively positioned at an initial position and a working position; the end parts of the side walls, close to each other, of the opposite notch grooves (911) close to the outer side walls of the pressing plates (91) are inclined towards the approaching direction; the interlocking mechanism (9) further comprises an interlocking structure (93), the interlocking structure (93) comprises a square tube (931), a fixed plate (932), an interlocking plate (933) and a rotating plate (934), the rotating plate (934) is rotationally connected to the circuit breaker frame (3) through a rotating shaft, and the rotating plate (934) is fixedly connected with the push rod (92); The square tube (931) is penetrated and rotatably connected to the corresponding positions on the chassis vehicle panel (1) and the breaker frame (3) and extends in the same direction with the pressing plate (91), and one end of the square tube (931) penetrating the chassis vehicle panel (1) is rotatably connected to the interlocking shaft operation piece (8); the fixed plate (932) is positioned at a position opposite to the rotating plate (934), the fixed plate (932) is fixed on the square pipe (931) and extends in the same direction as the rotating plate (934), and two ends of the linkage plate (933) are respectively connected to the extending ends of the fixed plate (932) and the rotating plate (934) in a rotating way; the square tube (931) is connected with a reset elastic piece; an extension plate (10) is fixed on the square tube (931) at a position staggered from the fixed plate (932), the extension plate (10) extends towards one side far away from the push rod (92), a support shaft (32) is fixed on the circuit breaker frame (3), the reset elastic piece is a tension spring (12), one end of the tension spring (12) is sleeved on the extension plate (10), and the other end of the tension spring is sleeved on the support shaft (32); when the circuit breaker is switched on, the interlocking shaft operation piece (8) is closed at the socket (11), and the extension plate (10) is positioned by the positioning mechanism (15).
2. An electric propulsion mechanism without auxiliary motor as claimed in claim 1 wherein: the positioning mechanism (15) comprises a locking electromagnet (151) and a positioning plate (152), the positioning plate (152) is fixed on one side, close to the push rod (92), of the extension plate (10) and extends obliquely, the locking electromagnet (151) is fixed on the circuit breaker frame (3) and is positioned at a position close to the positioning plate (152), and a telescopic rod (1511) is movably connected to the locking electromagnet (151); when the breaker is closed, the interlocking shaft operation piece (8) is closed on the socket (11), and the telescopic rod (1511) stretches out and abuts against the positioning plate (152).
3. An electric propulsion mechanism without auxiliary motor as claimed in claim 1 wherein: one end of the square tube (931) close to the outside of the chassis vehicle panel (1) is fixedly connected with a linkage rod (13), and the linkage rod (13) penetrates through the outside of the chassis vehicle panel (1) and is connected to the interlocking shaft operation piece (8) through a rotating structure (14).
4. A non-accessory motor electric propulsion mechanism as claimed in claim 3 wherein: the rotating structure (14) comprises a crank arm (141) and a linkage piece (142), wherein the crank arm (141) is fixed on one end of the linkage rod (13) which is arranged outside the chassis vehicle panel (1) in a penetrating mode, the linkage piece (142) is bent, extended and fixed on the interlocking shaft operation piece (8), a movable groove (1421) is formed in the linkage piece (142), and a linkage shaft (1411) which penetrates through and moves in the movable groove (1421) is fixed on the crank arm (141).
5. An electric propulsion mechanism without auxiliary motor as claimed in claim 2 wherein: the chassis vehicle panel (1) is relatively and slidingly connected with interlocking plates (16), two interlocking plates (16) are correspondingly provided with insertion holes (161) for inserting interlocking rods (13), one sides of the insertion holes (161) are communicated with each other to form moving grooves (162) with the height smaller than that of the insertion holes (161), and the moving grooves (162) on the two interlocking plates (16) extend towards the directions far away from each other; horizontal tangential planes (131) are formed on the side walls of the interlocking rods (13) corresponding to the side walls of the movable grooves (162), and inserted rods (164) which can be inserted into the upright post beams of the switch cabinet are respectively fixed at the ends, away from each other, of the opposite interlocking plates (16); when the interlocking shaft operation piece (8) is closed at the socket (11), the tangent planes (131) are respectively attached to the corresponding side walls of the moving groove (162), and the interlocking plate (16) can move horizontally; the interlocking plate (16) is fixedly provided with a handle (163) penetrating through the chassis vehicle panel (1), and the side wall of the chassis vehicle panel (1) is provided with an opening (17) for sliding the handle (163).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021102712640 | 2021-03-13 | ||
| CN202110271264 | 2021-03-13 |
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| CN113315017A CN113315017A (en) | 2021-08-27 |
| CN113315017B true CN113315017B (en) | 2024-10-22 |
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| CN202110643131.1A Active CN113315017B (en) | 2021-03-13 | 2021-06-09 | Electric propulsion mechanism without auxiliary motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215772238U (en) * | 2021-03-13 | 2022-02-08 | 兴机电器有限公司 | Electric propulsion mechanism without auxiliary motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2835093B1 (en) * | 2002-01-24 | 2004-03-12 | Schneider Electric Ind Sa | ELECTRICAL SWITCHING APPARATUS PROVIDED WITH A MOTORIZED CONTROL AND METHOD FOR CONTROLLING SUCH AN APPARATUS |
| CN103354329B (en) * | 2013-07-04 | 2016-05-25 | 安徽龙波电气有限公司 | The electronic chassis vehicle of breaker advances releases transmission device |
| CN104518724B (en) * | 2014-12-17 | 2017-04-19 | 中国船舶重工集团公司第七一二研究所 | 15-phase motor subchannel control system and control method |
| CN106981838A (en) * | 2017-04-27 | 2017-07-25 | 兴机电器有限公司 | A kind of high-tension switch cabinet propulsive mechanism without clutch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215772238U (en) * | 2021-03-13 | 2022-02-08 | 兴机电器有限公司 | Electric propulsion mechanism without auxiliary motor |
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Country or region after: China Address after: 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Applicant after: Xingji Electric Appliance Group Co.,Ltd. Address before: 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Applicant before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China |
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