CN112296621B - Assembly device and assembly method of heavy-duty spiral spring damper - Google Patents
Assembly device and assembly method of heavy-duty spiral spring damper Download PDFInfo
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- CN112296621B CN112296621B CN201910703879.9A CN201910703879A CN112296621B CN 112296621 B CN112296621 B CN 112296621B CN 201910703879 A CN201910703879 A CN 201910703879A CN 112296621 B CN112296621 B CN 112296621B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 239000006096 absorbing agent Substances 0.000 claims description 33
- 230000035939 shock Effects 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
An assembly apparatus and an assembly method of a heavy-duty coil spring damper, the assembly apparatus comprising: the workbench is provided with a fixing seat, the fixing seat comprises a support and a guide plate, the guide plate is provided with a through hole, and a movable baffle plate is arranged corresponding to the through hole; the spring body bracket is provided with a protective cover, and the protective cover is arranged corresponding to the fixed seat; the piston rod of the hydraulic cylinder is connected with the lower support of the heavy coil spring to be assembled and drives the lower support to move; the piston rod and the protective cover are coaxially arranged with the through hole; and the hydraulic control system is connected with the hydraulic cylinder and used for controlling the retraction and the extension of a piston rod of the hydraulic cylinder. The invention also provides an assembly method of the heavy-duty spiral spring damper of the assembly device.
Description
Technical Field
The invention relates to a heavy-duty spiral spring damper, in particular to an assembly device and an assembly method for the heavy-duty spiral spring damper for mass production and assembly work.
Background
The heavy-duty helical spring shock absorber is mainly applied to a chassis of a heavy-duty vehicle, and has wide future market prospect. The spring force of the heavy-duty spring reaches 22 tons, and in the assembly work of the prior art, the heavy-duty spring is manually installed by an operator through a simple jack all the time, so that the assembly efficiency is low, and the potential safety hazard is high. In such a production context, there is an urgent need for a special apparatus for heavy duty helical spring damper assembly.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an assembly device and an assembly method for mass-production of assembled heavy-duty helical spring shock absorbers aiming at the defects in the prior art.
In order to achieve the above object, the present invention provides an assembly device of a heavy-duty coil spring damper, comprising:
The workbench is provided with a fixing seat, the fixing seat comprises a support and a guide plate which are connected with each other, the support is connected with the workbench, the guide plate is provided with a through hole for a shock absorber of a heavy coil spring to be installed to pass through, and the guide plate is also provided with a movable baffle corresponding to the through hole so as to block the spring body of the heavy coil spring to be installed to pass through the through hole;
The spring body support is arranged on the workbench, a protective cover is arranged on the spring body support, the protective cover is arranged corresponding to the fixing seat, and the spring body of the heavy coil spring to be installed is supported in the protective cover;
The hydraulic cylinder is arranged on the workbench, a piston rod of the hydraulic cylinder is used for being connected with a lower support of the heavy-duty spiral spring to be installed, the lower support is driven to move so as to loosen or compress a spring body of the heavy-duty spiral spring to be installed on the movable baffle, and the piston rod and the protective cover are coaxially arranged with the through hole; and
The hydraulic control system is connected with the hydraulic cylinder and used for controlling the retraction and extension of a piston rod of the hydraulic cylinder so as to drive the lower support to loosen or compress the spring body of the heavy coil spring to be assembled on the movable baffle.
The assembling device of the heavy spiral spring shock absorber comprises two side plates which are symmetrically arranged, the support is fixed on the two side plates through threaded connection respectively, two ends of the spring body support are mounted on the two side plates through connecting plates respectively, and the protective cover is mounted on the spring body support.
The assembling device of the heavy-duty spiral spring shock absorber comprises two baffle plates which are bilaterally symmetrical, wherein the baffle plates are respectively installed on the guide plate through the fixed blocks, the two baffle plates respectively slide horizontally in the fixed blocks, and the opposite sides of the two baffle plates are respectively provided with an arc-shaped groove matched with the spring body of the heavy-duty spiral spring to be installed.
According to the assembly device for the heavy-duty spiral spring damper, the two baffles are further provided with the process grooves used for the process screws to penetrate through, and the process grooves are arranged corresponding to the installation threaded holes of the upper support seat of the heavy-duty spiral spring to be installed.
The assembling device of the heavy spiral spring shock absorber is characterized in that the baffle plate is further provided with a handle for pulling the baffle plate to horizontally slide in the fixed block.
The assembly device of the heavy coil spring shock absorber comprises an upper cover body and a lower cover body, wherein the upper cover body is fixed on the spring body support, the lower cover body is buckled on the upper cover body, and the spring body of the heavy coil spring to be assembled is positioned in a cylinder space formed by buckling the upper cover body and the lower cover body.
The assembly device of the heavy spiral spring shock absorber comprises a hydraulic control system, a hydraulic control system and a hydraulic control system, wherein the hydraulic control system comprises a three-phase asynchronous motor, a variable pump, an overflow valve, an electromagnetic reversing valve and a one-way throttle valve, the three-phase asynchronous motor is connected with the variable pump, the overflow valve and the electromagnetic reversing valve are arranged in an oil way for connecting the variable pump with the hydraulic cylinder, and the overflow valve is used for adjusting pressure to control the electromagnetic reversing valve to reverse; the one-way throttle valve is arranged on an oil way which is connected with the electromagnetic reversing valve and the hydraulic cylinder.
The assembly device of the heavy spiral spring shock absorber comprises an overflow valve, an electromagnetic reversing valve, a one-way throttle valve, a functional valve block, a variable pump and a three-phase asynchronous motor, wherein the overflow valve, the electromagnetic reversing valve and the one-way throttle valve are all arranged on the functional valve block, the variable pump and the three-phase asynchronous motor are respectively arranged on a frame, and an oil tank, a safety valve, an output port and an oil return port are further arranged on the frame.
The assembling device of the heavy spiral spring shock absorber, wherein the hydraulic control system further comprises a pressure sensor, and the pressure sensor is installed on the functional valve block and is connected with an oil way of the variable pump connected with the hydraulic cylinder.
In order to better achieve the above object, the present invention also provides an assembling method of a heavy-duty coil spring damper, comprising the steps of:
s100, connecting a lower support of the heavy-duty spiral spring to be assembled with the knuckle bearing with the thin end of a shock absorber, and inserting the lower support and the shock absorber into a spring body of the heavy-duty spiral spring to be assembled;
S200, placing the spring body in a protective cover and fixing the protective cover;
s300, detachably connecting one side of the lower support, on which the knuckle bearing is mounted, with a piston rod of a hydraulic cylinder;
s400, positioning one end of the spring body by moving a movable baffle plate arranged on the guide plate;
S500, a piston rod of the hydraulic cylinder stretches out to push the lower support to compress the spring body, a pin hole at the thick end of the shock absorber stretches out of the spring body and penetrates through a through hole in the guide plate, and the spring body is pressed on the movable baffle;
S600, connecting the upper support of the heavy coil spring to be assembled with the thick end of the shock absorber 51 through the thick end pin hole;
S700, installing a process screw through an installation threaded hole of the upper support, so that the process screw is propped against the spring body;
S800, retracting a piston rod of the hydraulic cylinder until the spring body is released to be in a free state;
s900, removing the movable baffle, removing the process screw, disassembling the connection between the lower support and the piston rod, removing the protective cover, and completing the assembly.
The invention has the technical effects that:
The invention is special equipment for assembling the heavy-duty spiral spring shock absorber, and the effects of convenient assembly, personnel saving and assembly efficiency improvement are realized in the production process by utilizing the technologies of hydraulic control, hydraulic cylinder propulsion, assembly process and the like.
The invention will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.
Drawings
FIG. 1 is a schematic view of a workbench according to an embodiment of the invention;
FIG. 2 is a top view of a table according to an embodiment of the invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of a fixing base according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a hydraulic control system according to an embodiment of the present invention;
Fig. 7 is a schematic diagram of the operation of a hydraulic control system according to an embodiment of the present invention.
Wherein reference numerals are used to refer to
1. Working table
11. Fixing seat
12. Support seat
13. Guide plate
14. Movable baffle
15. Fixed block
16. Arc-shaped groove
17. Art groove
18. Through hole
19. Side plate
10. Handle
2. Spring body support
21. Protective cover
22. Upper cover body
23. Lower cover body
3. Hydraulic cylinder
31. Piston rod
4. Hydraulic control system
41. Rack
42. Three-phase asynchronous motor
43. Variable displacement pump
44. Overflow valve
45. Electromagnetic reversing valve
46. One-way throttle valve
47. Functional valve block
48. Output port
49. Oil return port
40. Pressure sensor
5. Heavy coil spring to be assembled
51. Shock absorber
52. Spring body
53. Upper support
54. Lower support
6. Art screw
Detailed Description
The structural and operational principles of the present invention are described in detail below with reference to the accompanying drawings:
Referring to fig. 1 to 4, fig. 1 is a schematic view of a table according to an embodiment of the present invention, fig. 2 is a top view of the table according to an embodiment of the present invention, fig. 3 is a right side view of fig. 2, and fig. 4 is a cross-sectional view A-A of fig. 3. The assembly device of the heavy-duty helical spring shock absorber of the invention comprises: the workbench 1, a fixing seat 11 is arranged on the workbench 1, the fixing seat 11 comprises a support 12 and a guide plate 13, a through hole 18 for a shock absorber 51 of a heavy coil spring 5 to pass through is arranged on the guide plate 13, after a spring body 52 is compressed, the shock absorber 51 stretches out and passes through, a movable baffle 14 is also arranged on the guide plate 13 corresponding to the through hole 18 so as to prevent the spring body 52 of the heavy coil spring 5 to pass through the through hole 18, and one end of the spring body 52 is positioned; the spring body support 2 is arranged on the workbench 1, a protective cover 21 is arranged on the spring body support 2 and plays a role in safety protection in the assembly process, the protective cover 21 is arranged corresponding to the fixed seat 11, and a spring body 52 of the heavy coil spring 5 to be installed is supported on the protective cover 21; the hydraulic cylinder 3 is arranged on the workbench 1, a piston rod 31 of the hydraulic cylinder 3 is connected with a lower support 54 of the heavy coil spring 5 to be assembled, the lower support 54 is driven to move so as to loosen or compress a spring body 52 of the heavy coil spring 5 to be assembled on the movable baffle 14, and the piston rod 31, the protective cover 21 and the through hole 18 are coaxially arranged; preferably, the double-acting hydraulic oil cylinder with the cylinder diameter of 200mm outputs thrust, the lug structure of the piston rod 31 drives the lower support 54 to compress the spring body 52, and the output force can reach 300 tons; and the hydraulic control system 4 is connected with the hydraulic cylinder 3 and is used for controlling the retraction and extension of the piston rod 31 of the hydraulic cylinder 3 so as to drive the lower support 54 to loosen or compress the spring body 52 of the heavy coil spring 5 to be installed on the movable baffle 14.
The workbench 1 comprises two symmetrically arranged side plates 19, the side plates 19 are connected through support plates, the size of the workbench 1 is preferably 600x3000mm 2, and the workbench can be suitable for assembly work of various specifications of heavy spiral spring dampers with the diameters of the spiral springs of the dampers ranging from 0mm to 400mm and the strokes of the spiral springs ranging from 0mm to 1500 mm. The two ends of the support 12 are respectively installed on the two side plates 19 through threaded connection, the two ends of the spring body support 2 are respectively installed on the two side plates 19 through connecting plates, and the protective cover 21 is installed on the spring body support 2. The protection cover 21 of this embodiment includes the upper cover body 22 and the lower cover body 23, the upper cover body 22 is fixed on the spring body support 2, the lower cover body 23 lock is installed on the upper cover body 22, two semicircular upper and lower cover bodies 22, 23 accessible screw connection, the lower semicircle structure welds on the spring body support 2, the spring body support 2 uses the screw to fix on both sides board 19, the spring body 52 of waiting to adorn heavy coil spring 5 is located the cylinder space that upper cover body 22 and lower cover body 23 lock formed.
Referring to fig. 5, fig. 5 is a schematic view illustrating a structure of a fixing base according to an embodiment of the invention. The movable baffle 14 of this embodiment includes two symmetrical shaped baffles, is installed respectively through fixed block 15 on the deflector 13, and four fixed blocks 15 are welded on the deflector 13, and two baffles can slide respectively in the fixed block 15 relative horizontal, and two opposite sides of baffle are provided with respectively with the arc wall 16 of waiting to adorn the adaptation of the spring body 52 of heavy coil spring 5, can make the spring body 52 compress the back, and the bumper shock absorber 51 stretches out and passes. The two baffles are also provided with a process groove 17 for the process screw 6 to pass through, the process groove 17 is arranged corresponding to the installation threaded hole of the upper support 53 of the heavy coil spring 5 to be installed, and the movable baffle 14 can be withdrawn after the process screw 6 is tightly blocked by the spring body 52. A handle 10 may also be provided on the flapper 14 for pulling the flapper 14 horizontally into the fixed block 15.
Referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of a hydraulic control system according to an embodiment of the present invention, and fig. 7 is a schematic working diagram of the hydraulic control system according to an embodiment of the present invention. The main function of the hydraulic control system 4 is to provide motive power for the compression spring body 52, the pressure and flow performance of the hydraulic control system directly influence the execution action of the hydraulic cylinder 3, the YA2 electromagnet of the electromagnetic directional valve 45 is electrified, the piston rod 31 of the hydraulic cylinder 3 is extended, the YA1 electromagnet is electrified, and the piston rod 31 is retracted. The one-way throttle valve 46 can adjust the recovery speed of the piston rod 31. Relief valve 44 may regulate the amount of output force of hydraulic cylinder 3. The hydraulic control system 4 comprises a three-phase asynchronous motor 42, a variable pump 43, an overflow valve 44, an electromagnetic directional valve 45 and a one-way throttle valve 46, wherein the three-phase asynchronous motor 42 is connected with the variable pump 43, the overflow valve 44 and the electromagnetic directional valve 45 are arranged in an oil way of the variable pump 43 connected with the hydraulic cylinder 3, and the overflow valve 44 is used for adjusting pressure to control the electromagnetic directional valve 45 to change direction; the one-way throttle valve 46 is provided on the oil line where the electromagnetic directional valve 45 is connected to the hydraulic cylinder 3. The overflow valve 44, the electromagnetic directional valve 45 and the one-way throttle valve 46 are all arranged on a functional valve block 47, the variable pump 43 and the three-phase asynchronous motor 42 are respectively arranged on the stand 41 by bolts, oil paths are connected together by stainless steel pipes according to a hydraulic principle diagram, and an oil tank, a safety valve, an output port 48, an oil return port 49 and the like are also arranged on the stand 41. The hydraulic control system 4 further includes a pressure sensor 40, and the pressure sensor 40 is mounted on the functional valve block 47 and is connected to an oil path in which the variable pump 43 is connected to the hydraulic cylinder 3.
The three-phase asynchronous motor 42 drives the variable pump 43 to output oil pressure, the overflow valve 44 plays a role in regulating pressure, the pressure of the whole system is controlled, the direction of hydraulic oil is controlled through the 10-energization electromagnetic reversing valve 45, the working flow of the system is controlled in an oil return and interception mode, the working pressure of the system can reach 31.5MPa, and the working flow is 0-80L/min. The pressure is connected to an AB oil port of the oil cylinder by a hose through an AB port of the reversing valve, an A port is communicated with a positive cavity of the oil cylinder, and a B port is communicated with a negative cavity of the oil cylinder. The pressure of the system is regulated to gradually rise from 0 by the overflow valve 44, the electromagnetic directional valve 45 is controlled to be switched to the left position, pressure oil enters the positive cavity of the oil cylinder, and the oil pressure piston rod 31 overcomes the elasticity of the spiral spring and gradually stretches out. After the assembly is completed, the electromagnetic directional valve 45 is switched to the right, pressure oil enters the reverse cavity of the oil cylinder, the oil in the positive cavity is returned through the one-way throttle valve 46, the piston rod 31 is retracted, at the moment, the return oil flow is controlled through the one-way throttle valve 46, and the retraction speed of the piston rod 31 is controlled, so that the safety of the assembly process is ensured.
The method for assembling the heavy-duty coil spring damper 51 includes the steps of:
Step S100, connecting a lower support 54 of the heavy coil spring 5 to be assembled with the joint bearing with the thin end of the shock absorber 51 by a pin shaft, installing a cotter pin on the pin shaft, and after the cotter pin is disassembled and bent, inserting the lower support 54 and the shock absorber 51 into a spring body 52 of the heavy coil spring 5 to be assembled; the installation of the joint bearing comprises the steps of respectively filling the joint bearing into bearing holes of the upper support 53 and the lower support 54 after the joint bearing is dipped with an outer ring and is coated with a layer of lubricating grease, installing a check ring, and checking and confirming that the check ring enters a groove;
Step 200, placing the spring body 52 in the protective cover 21 and fixing the protective cover 21;
step S300, detachably connecting one side of the lower support 54, on which the knuckle bearing is mounted, with a piston rod 31 of the hydraulic cylinder 3 through a pin shaft;
Step S400, moving a movable baffle plate 14 arranged on the guide plate 13 to position one end of the spring body 52;
step S500, the hydraulic system controls the piston rod 31 of the hydraulic cylinder 3 to extend out with minimum pressure, pushes the lower support 54 to compress the spring body 52, enables the thick end pin hole of the shock absorber 51 to extend out of the spring body 52 by about 100cm and pass through the through hole 18 on the guide plate 13, and the spring body 52 is pressed on the movable baffle 14;
Step S600, connecting an upper support 53 of the heavy coil spring 5 to be assembled with the thick end of the shock absorber 51 through the thick end pin hole by using a pin shaft, and installing a cotter pin on the pin shaft and bending the cotter pin;
step S700, installing the process screw 6 to extend out by about 35mm through the installation threaded hole of the upper support 53, and installing 2-4 process screws 6 to enable the process screw 6 to prop against the spring body 52; the number of the screws can be 4, or 2 diagonal screws can be installed;
Step S800, the hydraulic control system 4 controls the hydraulic cylinder 3 to retract the piston rod 31, the oil source pressure is reduced to the minimum, and the one-way throttle valve 46 is slowly released until the spring body 52 is released to be in a free state;
step 900, removing the left and right movable baffles 14, removing 4 process screws 6, removing the connecting pin shafts of the lower support 54 and the piston rod 31, removing the protective cover 21, and completing the assembly.
According to the invention, the mounting threaded hole of the upper support is used as a process hole, the spring body is positioned through the movable baffle plate, the lower support and the shock absorber are inserted into the spring body, the piston rod pushes the lower support to compress the spring body, the movable baffle plate can be withdrawn after the process screw is used for mounting the spring body into the process groove, and finally the assembly is completed. The assembly machine has the advantages of realizing convenient assembly, saving personnel and improving assembly efficiency.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. An assembly apparatus for a heavy duty coil spring damper, comprising:
The workbench is provided with a fixing seat, the fixing seat comprises a support and a guide plate which are connected with each other, the support is connected with the workbench, the guide plate is provided with a through hole for a shock absorber of a heavy coil spring to be installed to pass through, and the guide plate is also provided with a movable baffle corresponding to the through hole so as to block the spring body of the heavy coil spring to be installed to pass through the through hole;
The spring body support is arranged on the workbench, a protective cover is arranged on the spring body support, the protective cover is arranged corresponding to the fixing seat, and the spring body of the heavy coil spring to be installed is supported in the protective cover;
The hydraulic cylinder is arranged on the workbench, a piston rod of the hydraulic cylinder is used for being connected with a lower support of the heavy-duty spiral spring to be installed, the lower support is driven to move so as to loosen or compress a spring body of the heavy-duty spiral spring to be installed on the movable baffle, and the piston rod and the protective cover are coaxially arranged with the through hole; and
The hydraulic control system is connected with the hydraulic cylinder and used for controlling the retraction and extension of a piston rod of the hydraulic cylinder so as to drive the lower support to loosen or compress the spring body of the heavy coil spring to be assembled on the movable baffle;
the workbench comprises two symmetrically arranged side plates, the two side plates are connected through a support plate, the support is fixed on the two side plates through threaded connection, two ends of the spring body support are respectively arranged on the two side plates through connecting plates, and the protective cover is arranged on the spring body support;
the movable baffle comprises two baffle plates which are bilaterally symmetrical and are respectively arranged on the guide plate through fixed blocks, the two baffle plates respectively slide horizontally in the fixed blocks, and arc-shaped grooves matched with the spring bodies of the heavy coil springs to be assembled are respectively arranged on the opposite sides of the two baffle plates;
the two baffles are also provided with process grooves for the process screws to pass through, and the process grooves are arranged corresponding to the mounting threaded holes of the upper support of the heavy coil spring to be mounted;
the protective cover comprises an upper cover body and a lower cover body, wherein the upper cover body is fixed on the spring body support, the lower cover body is buckled on the upper cover body, and the spring body of the heavy coil spring to be assembled is positioned in a cylinder space formed by buckling the upper cover body and the lower cover body.
2. The assembly device of the heavy-duty coil spring damper according to claim 1, wherein a handle is further provided on the shutter for pulling the shutter to slide horizontally in the fixed block.
3. The assembly device of the heavy-duty coil spring shock absorber according to claim 1, wherein the hydraulic control system comprises a three-phase asynchronous motor, a variable pump, an overflow valve, an electromagnetic directional valve and a one-way throttle valve, the three-phase asynchronous motor is connected with the variable pump, the overflow valve and the electromagnetic directional valve are arranged in an oil path of the variable pump connected with the hydraulic cylinder, and the overflow valve is used for adjusting pressure to control the electromagnetic directional valve to change direction; the one-way throttle valve is arranged on an oil way which is connected with the electromagnetic reversing valve and the hydraulic cylinder.
4. The assembly device of the heavy-duty coil spring shock absorber according to claim 3, wherein the relief valve, the electromagnetic directional valve and the one-way throttle valve are all mounted on a functional valve block, and the functional valve block, the variable pump and the three-phase asynchronous motor are respectively mounted on a frame.
5. The assembly device of the heavy duty coil spring shock absorber according to claim 4, wherein said hydraulic control system further comprises a pressure sensor mounted on said functional valve block and connected to an oil path connecting said variable displacement pump to said hydraulic cylinder.
6. A method of assembling a heavy-duty coil spring damper, characterized in that the assembly of a heavy-duty coil spring damper is performed using the assembly device of a heavy-duty coil spring damper according to any one of claims 1 to 5, comprising the steps of:
s100, connecting a lower support of a heavy coil spring to be assembled with a joint bearing with the thin end of a shock absorber, and inserting the lower support and the shock absorber into a spring body of the heavy coil spring to be assembled;
S200, placing the spring body in a protective cover and fixing the protective cover;
s300, detachably connecting one side of the lower support, on which the knuckle bearing is mounted, with a piston rod of a hydraulic cylinder;
s400, a movable baffle plate movably arranged on the guide plate positions one end of the spring body;
s500, a piston rod of the hydraulic cylinder stretches out to push the lower support to compress the spring body, a pin hole at the thick end of the shock absorber stretches out of the spring body and penetrates through a through hole in the guide plate, and the spring body is pressed on the movable baffle;
s600, connecting the upper support of the heavy coil spring to be assembled with the thick end of the shock absorber through the thick end pin hole;
S700, installing a process screw through an installation threaded hole of the upper support, so that the process screw is propped against the spring body;
s800, retracting a piston rod of the hydraulic cylinder until the spring body is released to be in a free state; and
S900, removing the movable baffle, removing the process screw, disassembling the connection between the lower support and the piston rod, removing the protective cover, and completing the assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703879.9A CN112296621B (en) | 2019-07-31 | 2019-07-31 | Assembly device and assembly method of heavy-duty spiral spring damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703879.9A CN112296621B (en) | 2019-07-31 | 2019-07-31 | Assembly device and assembly method of heavy-duty spiral spring damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112296621A CN112296621A (en) | 2021-02-02 |
| CN112296621B true CN112296621B (en) | 2024-10-18 |
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| CN201910703879.9A Active CN112296621B (en) | 2019-07-31 | 2019-07-31 | Assembly device and assembly method of heavy-duty spiral spring damper |
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| CN116673890A (en) * | 2023-06-07 | 2023-09-01 | 无锡市中立机械科技有限公司 | Electric bicycle front wheel shock absorber convenient to equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210615681U (en) * | 2019-07-31 | 2020-05-26 | 北京长征天民高科技有限公司 | Assembling device for heavy-duty spiral spring shock absorber |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4124299B2 (en) * | 1998-11-20 | 2008-07-23 | 本田技研工業株式会社 | Suspension unit disassembly and assembly equipment |
| KR200284638Y1 (en) * | 2002-05-10 | 2002-08-05 | 김정환 | a constriction for shock absorber spring |
| KR200366340Y1 (en) * | 2004-07-22 | 2004-11-04 | 박성현 | Change apparatus of shock absorber |
| US7103951B2 (en) * | 2005-02-08 | 2006-09-12 | Ismet Uzun | Strut spring compression apparatus |
| CN201833151U (en) * | 2010-09-26 | 2011-05-18 | 北汽福田汽车股份有限公司 | Stretching device of shock absorber |
| CN102501220B (en) * | 2011-10-27 | 2013-09-11 | 奇瑞汽车股份有限公司 | Automobile coil spring shock absorber subassembly table |
| CN203018759U (en) * | 2013-04-10 | 2013-06-26 | 肇庆本田金属有限公司 | Adjustable footstock base for piston machining |
| CN104384921B (en) * | 2014-08-30 | 2017-02-01 | 重庆大江工业有限责任公司 | Assembling equipment suitable for compression spring component with large elastic force and assembling method thereof |
| CN104440056B (en) * | 2014-11-21 | 2016-08-24 | 重庆耀勇减震器有限公司 | The top-pressure mechanism of amortisseur twist-on device |
| CN204686366U (en) * | 2015-06-03 | 2015-10-07 | 久隆机械工业有限公司 | Spring compressor structure of the shock absorber |
| CN105196034A (en) * | 2015-10-22 | 2015-12-30 | 天津天德减震器有限公司 | Tool for press-mounting of spring bottom bracket |
| CN205200992U (en) * | 2015-11-04 | 2016-05-04 | 山东塔高矿业机械装备制造有限公司 | Spring unit compressor arrangement |
| CN205237485U (en) * | 2015-12-25 | 2016-05-18 | 漯河职业技术学院 | Automobile shock absorber ware dismouting machine |
| CN205989156U (en) * | 2016-08-17 | 2017-03-01 | 斯加特流体控制设备（成都）有限公司 | Horizontal spring assembling device for the assembling of large-scale pneumatic hydraulic actuator spring |
| CN106975906B (en) * | 2017-05-09 | 2023-03-17 | 蚌埠液力机械有限公司 | Double-piston-rod hydraulic cylinder assembling device |
| CN109114054B (en) * | 2018-09-06 | 2020-01-03 | 山西大学 | Self-adaptive flexible assembling equipment for hydraulic cylinder head body and hydraulic control system |
| CN208880135U (en) * | 2018-10-30 | 2019-05-21 | 郑州汇荣科技有限公司 | A kind of automobile absorber general assembly device |
-
2019
- 2019-07-31 CN CN201910703879.9A patent/CN112296621B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210615681U (en) * | 2019-07-31 | 2020-05-26 | 北京长征天民高科技有限公司 | Assembling device for heavy-duty spiral spring shock absorber |
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