CN107097064B - Piston dismounting device of oil pressure damper - Google Patents
Piston dismounting device of oil pressure damper Download PDFInfo
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- CN107097064B CN107097064B CN201710521630.7A CN201710521630A CN107097064B CN 107097064 B CN107097064 B CN 107097064B CN 201710521630 A CN201710521630 A CN 201710521630A CN 107097064 B CN107097064 B CN 107097064B
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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
- B23P19/04—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 for assembling or disassembling parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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Abstract
The application provides a piston dismounting device of an oil pressure shock absorber, which comprises a frame (1), a centering clamping mechanism (2), a rotating frame (3) and a piston clamping device (4), wherein the centering clamping mechanism is respectively arranged on the frame, and a piston rod can rotate while being positioned and clamped by the centering clamping mechanism; the rotating frame (3) is rotatably arranged on the frame (1) and the rotating axis of the rotating frame is coincident with the positioning center line of the centering clamping mechanism; the piston clamping device (4) comprises a clamping component (41) and an elastic component I (42), wherein the elastic component I (42) is used for compensating the retreating displacement of the piston. The application can realize the quick disassembly and assembly of the piston, has strong power, does not need to damage the fastening glue by preheating, baking and the like, reduces the labor intensity and improves the working efficiency and the quality.
Description
Technical Field
The application relates to oil pressure damper maintenance equipment, in particular to an oil pressure damper piston dismounting device.
Background
With the crossing development of railways, the demand of rolling stock is increasing, and the demand of important parts of oil pressure dampers for damping rolling stock vibration is increasing. The hydraulic shock absorber for rolling stock is a wearing part, the shock absorber needs to be maintained regularly, the maintenance task amount is very large, in the maintenance process, the piston with the threaded connection structure needs to be disassembled to separate the piston from the piston rod (the specific connection structure of the piston and the piston rod can be seen in fig. 1), in order to ensure good fastening performance, most of the threaded connection between the piston and the piston rod of the hydraulic shock absorber uses threaded fastening glue, so that a common disassembling method is difficult, the conventional disassembling method generally adopts methods such as heating, baking and the like to break the threaded fastening glue, and then a spanner is used for manual disassembly on a vice, so that the hydraulic shock absorber is troublesome to operate, has high working strength and low efficiency, and cannot meet the requirement of batch maintenance of the hydraulic shock absorber. Therefore, there is a need in the art for a convenient, quick, reliable solution to the problem of disassembly of the piston of an oil pressure shock absorber.
Disclosure of Invention
The application aims to provide a piston dismounting device of an oil pressure shock absorber, which aims to solve the problems in the background technology.
In order to achieve the above-mentioned purpose, the present application provides a piston disassembling device of an oil pressure damper, comprising a frame 1, and a centering clamping mechanism 2, a rotating frame 3 and a piston clamping device 4 respectively arranged on the frame, wherein the centering clamping mechanism is arranged between the rotating frame and the piston clamping device, and is used for positioning and clamping a piston rod 60 of the oil pressure damper to be disassembled, and enabling the axial line of the piston rod to coincide with the positioning central line of the centering clamping mechanism, and the centering clamping mechanism comprises more than three rolling parts 21 used for rolling contact with the piston rod and a driving device I22 for providing radial pressure for the piston rod through each rolling part, so that the piston rod can rotate while being positioned and clamped;
the rotating frame 3 is rotatably arranged on the frame 1, the rotating axis of the rotating frame is coincident with the positioning center line of the centering clamping mechanism, one end of the rotating frame is connected with a second driving device 31 for driving the rotating frame to rotate, and the other end of the rotating frame is directly or indirectly connected with the tail end of a piston rod 60 clamped or to be clamped in the centering clamping mechanism;
the frame is fixedly provided with a guide rail 7 or a guide groove parallel to the positioning center line of the centering clamping mechanism, the piston clamping device 4 comprises a clamping and pressing assembly 41, an elastic part I42 and a driving device III 43, the clamping and pressing assembly is provided with a sliding connection part I411 which is in sliding fit with the guide rail or the guide groove, two ends of the elastic part I in the elastic direction are respectively connected with the clamping and pressing assembly and the driving device III, the driving device III is used for providing power sliding along the guide rail or the guide groove through the pair of clamping and pressing assemblies of the elastic part, so that the position of the clamping and pressing assembly is regulated, the clamping and pressing assembly is moved to the position of the piston 61, and the clamping and pressing assembly is used for clamping the piston along the radial periphery of the piston to prevent the piston from rotating along with the rotation of the piston rod 60 in the disassembling process; the piston is gradually retreated from the piston rod 60 along the axial line direction of the piston rod due to the rotation of the piston rod during the disassembly process, and the first elastic component 42 is used for compensating the retreating displacement of the piston.
Further, the clamping assembly 41 includes a wrench frame 410, a guide pin 412, a second spring 413, a clamping block a414, a clamping block B415 and a fourth driving device 416, where the first sliding connection portion 411 is disposed on the wrench frame 410, the guide pin 412 is fixed on the wrench frame and is disposed along a direction perpendicular to the axis of the piston rod, the clamping block a414 and the clamping block B415 slidably pass through the guide pin, the second spring is sleeved on the guide pin and abuts against the gap between the clamping block a414 and the clamping block B415, and is used for separating the clamping block a and the clamping block B from each other to release the piston, and the fourth driving device is disposed on the wrench frame along a direction perpendicular to the axis of the piston rod, and is connected with the clamping block a or the clamping block B, and is used for overcoming the action of the second spring to make the clamping block a and the clamping block B approach each other to clamp the piston.
Preferably, the driving device IV adopts a micro jack.
Further, the first elastic component 42 includes a connecting bolt 421 and a first spring 422, the first spring 422 is disposed on the clamping component 41 and is parallel to the axial line direction of the piston rod, the connecting bolt is disposed in the through hole in a penetrating manner, two ends of the connecting bolt extend out of the through hole, one end of the connecting bolt extending out of the through hole is fixedly connected with the connecting block 43, the other end of the connecting bolt extending out of the through hole is provided with a shoulder 423 with a size greater than the aperture of the through hole, and the first spring is disposed outside the connecting bolt and is propped between the connecting block and the clamping component.
Further, the centering clamping mechanism comprises a mounting seat 20, a gear 23, a rack A24, a rack B25 and a rolling component mounting frame 26, the rolling components 21 are four groups which are distributed in a central symmetry mode, a group of rolling component parts comprises at least two rolling components which are distributed along the axial lead direction of a piston rod, the rack A and the rack B are respectively connected with the two groups of rolling components through the rolling component mounting frame, the gear is rotatably arranged on the mounting seat, the rotation axis of the gear is perpendicular to the rotation axis of the rotating frame, the rack A and the rack B are symmetrically meshed and arranged on a gear tooth surface, a guide groove 201 which is used for guiding the rack A and the rack B in a sliding mode is arranged on the mounting seat, the length direction of the guide groove is arranged along the tangential direction of the gear, and a driving device A is connected with any one of the rack A and the rack B and the gear, and a driving device B is used for driving the rack A to slide under the guide of the guide groove at the same time so as to provide power for the centering clamping mechanism.
Preferably, the rolling member 21 is a rolling bearing, and the first driving device 22 is a cylinder connected to the rack a or the rack B.
Further, the position of the centering clamping mechanism 2 on the frame is adjustable, a second sliding connection part 27 which is matched with the guide rail or the guide groove in a sliding way is arranged on the centering clamping mechanism, a position adjusting plate 8 is arranged on the frame, a positioning notch 81 is arranged on the position adjusting plate, a positioning bolt 82 is connected on the centering clamping mechanism, one end of the positioning bolt is fixedly connected with the centering clamping mechanism, and the other end of the positioning bolt is detachably bolted in the positioning notch.
Preferably, the second driving device adopts a motor and a speed reducer, and the third driving device adopts an air cylinder. Preferably, the rotating frame 3 is rotatably arranged on the frame 1 through a thrust bearing 32.
Further, the middle part of the rotating shaft 34 for connecting the second driving device and the rotating frame is axially movably arranged in the thrust bearing inner ring, and the axial position of the rotating shaft 34 relative to the frame is adjustable, so that the disassembly of piston rods and piston assemblies with different length specifications is adapted. Specific: the middle part of the rotating shaft is provided with a plurality of pin holes 312 along the radial direction, the positions of the pin holes 312 included in the plurality of pin holes along the axial direction of the rotating shaft are different, one of the plurality of pin holes is provided with a pin 313 used for limiting the axial position of the rotating shaft, the middle of the pin is arranged in the pin hole in a penetrating way, and two ends of the pin extend out of the pin hole and are directly or indirectly supported by the thrust bearing.
The application has at least the following beneficial effects:
the application provides the oil pressure damper piston dismounting device which is convenient and reliable in clamping and strong in universality, can realize quick dismounting of the oil pressure damper piston, replaces manual dismounting with motor-driven dismounting pistons, is strong in power, does not need to damage piston fastening glue by adopting methods of heating, baking and the like in advance, reduces the labor intensity of operators, and improves the working efficiency and the working quality.
Specifically, the centering clamping mechanism with the rolling part is arranged, so that the piston rod can rotate while being positioned and clamped, the disassembly of the piston is convenient, the clamping position of the centering clamping mechanism can be adjusted through the position adjusting plate, and the centering clamping mechanism can be suitable for piston rods with different specifications and has strong universality.
The piston clamping device is arranged, the piston is clamped to prevent the piston from rotating, and simultaneously, an axial compression force is provided for the piston, so that the piston and the piston rod can be conveniently and rapidly separated in the process of rotating the piston rod.
The application is provided with the first elastic component which is used for compensating the displacement of the piston, which is generated when the piston is rotated away from the piston rod in the disassembly process, so that the disassembly is smoothly carried out, and the structure is simplified.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a cross-sectional view of a piston (with a piston rod) with a preferred embodiment of the present application removed;
FIG. 2a is a side view of a piston removing apparatus for an oil pressure damper according to a preferred embodiment of the present application (the position adjustment plate 8 is not shown in FIG. 2 a);
FIG. 2b is an enlarged partial view of one embodiment of the turret of the present application;
FIG. 2c is an enlarged partial view of another embodiment of the turret of the application;
FIG. 3 is a front view of a piston removing apparatus for an oil pressure damper according to a preferred embodiment of the present application;
FIG. 4 is a front view of a centering and clamping mechanism of a preferred embodiment of the present application;
FIG. 5 is a side view of a centering and clamping mechanism of a preferred embodiment of the present application;
FIG. 6 is a top view of a centering and clamping mechanism of a preferred embodiment of the present application;
FIG. 7 is a front view of a piston gripping device of a preferred embodiment of the present application;
FIG. 8 is a side view of a piston gripping device of a preferred embodiment of the present application;
fig. 9 is a top view of a piston clamping device according to a preferred embodiment of the present application.
In the figure: the device comprises a 1-frame, a 2-centering clamping mechanism, a 20-mounting seat, a 201-guiding groove, a 21-rolling part, a 22-driving device I, a 23-gear, a 24-rack A, a 25-rack B, a 26-rolling part mounting frame, a 27-sliding connection part II (a sliding groove II), a 3-rotating frame, a 31-driving device II, a 32-thrust bearing, a 33-dowel bar, a 34-rotating shaft, a 341-pin hole, a 35-pin, a 4-piston clamping device, a 41-clamping assembly, a 410-spanner rack, a 411-sliding connection part I (a sliding groove I), a 412-guiding pin, a 413-spring II, a 414-clamping block A, a 415-clamping block B, a 416-driving device IV, a 417-through hole, a 42-elastic part I, a 421-connecting bolt, a 422-spring I, a 423-shoulder, a 43-driving device III, a 60-piston rod, a 61-piston 62-joint sleeve, a 7-guiding rail, a 71-limiting block, an 8-position adjusting plate, a 81-positioning notch and a 82-positioning bolt.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawings, but the application can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 2 (including fig. 2a, 2b and 2 c) to fig. 9, the hydraulic damper piston dismounting device includes a frame 1, a centering clamping mechanism 2, a rotating frame 3 and a piston clamping device 4 which are respectively arranged on the frame, wherein the centering clamping mechanism is arranged between the rotating frame and the piston clamping device;
the rotating frame 3 is rotatably arranged on the frame 1, the rotating axis of the rotating frame is coincident with the positioning center line of the centering clamping mechanism, one end of the rotating frame is connected with a second driving device 31 for driving the rotating frame to rotate, and the other end of the rotating frame is directly or indirectly connected with a joint sleeve 62 at the tail end of a piston rod 60 clamped or to be clamped in the centering clamping mechanism;
the frame is fixedly provided with a guide rail 7 parallel to the positioning center line of the centering clamping mechanism, the piston clamping device 4 comprises a clamping and pressing assembly 41, an elastic component I42 and a driving device III 43, the clamping and pressing assembly is provided with a sliding groove I (a sliding connection part I) 411 which is matched with the guide rail in a sliding manner, two ends of the elastic component I in the elastic direction are respectively connected with the clamping and pressing assembly and the driving device III, the driving device III is used for providing power for sliding along the guide rail through the pair of clamping and pressing assemblies by the elastic component III so as to adjust the position of the clamping and pressing assembly, so that the clamping and pressing assembly moves to the position of a piston, and the clamping and pressing assembly is used for clamping the piston along the radial periphery of the piston to prevent the piston from rotating along with the rotation of a piston rod (60) in the disassembling process; during the disassembly process, the piston is gradually retreated from the piston rod along the axial line direction of the piston rod due to the rotation of the piston rod, and the first elastic part 42 is used for compensating the retreating displacement of the piston.
In this embodiment, the clamping assembly 41 includes a wrench frame 410, a guide pin 412, a second spring 413, a clamping block a414, a clamping block B415, and a fourth driving device 416, where the first sliding connection portion 411 is disposed on the wrench frame 410, the guide pin 412 is fixed on the wrench frame and disposed along a direction perpendicular to the axis of the piston rod, the clamping block a414 and the clamping block B415 slidably pass through the guide pin, the second spring is sleeved on the guide pin and abuts between the clamping block a414 and the clamping block B415, and is used to separate the clamping block a and the clamping block B from each other to release the piston, the fourth driving device is disposed on the wrench frame along a direction perpendicular to the axis of the piston rod, and is used to overcome the effect of the second spring to make the clamping block a and the clamping block B approach each other to clamp the piston, and the wrench frame is connected with the third driving device.
Referring to fig. 7-9, in the present embodiment, the first elastic member 42 includes a first connecting bolt 421 and a first spring 422, a through hole 417 parallel to the axial line direction of the piston rod is provided on the wrench frame 412, the connecting bolt is inserted into the through hole, one end of the connecting bolt extends out of the through hole and is fixedly connected with the third driving device 43, the other end of the connecting bolt extends out of the through hole, the other end of the connecting bolt is provided with a shoulder 423 with a size larger than the aperture of the through hole, and the first spring is sleeved outside the connecting bolt and is propped between the connecting block and the wrench frame.
Referring to fig. 4-6, in this embodiment, the centering and clamping mechanism includes a mounting base 20, a gear 23, a rack a24, a rack B25 and a rolling member mounting frame 26, the rolling members 21 are four groups distributed in a central symmetry manner, one group of rolling member parts includes two upper and lower rolling members distributed along the axial line direction of the piston rod, the rack a and the rack B are respectively connected with two groups of rolling members through the rolling member mounting frame, the gear is rotatably disposed on the mounting base and the axial line of the rotation shaft of the gear perpendicularly intersects with the axial line of the rotation shaft, the rack a and the rack B are symmetrically engaged and disposed on the gear tooth surface, a guide groove 201 for slidably guiding the rack a and the rack B is disposed on the mounting base, the length direction of the guide groove is disposed along the tangential direction of the gear, the first driving device is connected with the rack B, the first driving device is used for driving the rack a and the rack B to slide under the guide of the guide groove, so as to provide power for the centering and clamping mechanism, wherein the rack a and the rack B move in opposite to be clamped, and the rack a and the rack B move in opposite to be relaxed.
In this embodiment, the rolling member 21 is a rolling bearing, and the first driving device 22 is a cylinder connected to the rack a or the rack B. In this embodiment, the rolling element mounting frame 26 is interchangeably disposed on the mounting base, so as to facilitate replacement of different rolling bearings according to different specifications of piston rods.
In this embodiment, the position of the centering and clamping mechanism 2 on the frame 1 is adjustable, a second sliding groove (a second sliding connection part) 27 which is matched with the guide rail 7 in a sliding manner is arranged on the mounting seat 20, a position adjusting plate 8 is arranged on the frame, a positioning notch 81 is arranged on the position adjusting plate, a positioning bolt 82 is connected on the centering and clamping mechanism, one end of the positioning bolt is fixedly connected with the mounting seat, and the other end of the positioning bolt is detachably bolted in the positioning notch. Referring to fig. 3, in this embodiment, a stopper 71 for defining the position of the centering and clamping mechanism on the frame is further provided on the guide rail, and the position of the stopper 71 on the guide rail is also adjustable.
Fig. 2b shows an implementation of the rotating frame in this embodiment, the rotating frame 3 is rotatably disposed on the frame 1 through a thrust bearing 32, a dowel bar 33 sleeved on a joint sleeve at the tail end of the piston rod is disposed on the rotating frame, and the bottom of the rotating frame is connected with the second driving device through a rotating shaft 34.
Fig. 2c is another implementation of the rotating frame in this embodiment, the middle part of the rotating shaft 34 for connecting the second driving device and the rotating frame is axially movably disposed in the inner ring of the thrust bearing, and the axial position of the rotating shaft 34 relative to the frame is adjustable, so as to adapt to the disassembly of the piston rod and the piston assembly with different length specifications. Specific: the middle part of the rotating shaft is provided with a plurality of pin holes 341 along the radial direction, the positions of the pin holes 341 included in the plurality of pin holes along the axial direction of the rotating shaft are different, one of the pin holes is provided with a pin 35 used for limiting the axial position of the rotating shaft, the middle of the pin is arranged in the pin hole in a penetrating way, and two ends of the pin extend out of the pin hole and are directly or indirectly supported by the thrust bearing.
In this embodiment, the second driving device 31 employs a motor and a speed reducer, and the third driving device 43 employs a cylinder.
The operation of this embodiment is generally as follows:
firstly, one end of a piston rod joint sleeve is sleeved on a dowel bar of a rotating frame; starting the centering clamping mechanism to clamp the piston rod; and starting the driving device III, moving the spanner rack downwards to enable the clamping blocks A and B to move to the positions of the pistons, starting the driving device IV to clamp the pistons, starting the driving motor II to rotate to separate the pistons from the piston rods so as to detach the pistons, gradually screwing the pistons away from the piston rods to lift the pistons in the detaching process, and compensating the lifting displacement by the first springs.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. The piston disassembling device of the oil pressure shock absorber is characterized by comprising a frame (1), a centering clamping mechanism (2), a rotating frame (3) and a piston clamping device (4) which are respectively arranged on the frame, wherein the centering clamping mechanism is arranged between the rotating frame and the piston clamping device and is used for positioning and clamping a piston rod (60) of the oil pressure shock absorber to be disassembled and enabling the axial lead of the piston rod to coincide with the positioning central line of the centering clamping mechanism, and the centering clamping mechanism comprises more than three rolling parts (21) used for rolling contact with the piston rod and a first driving device (22) for providing radial pressure for the piston rod through the rolling parts, so that the piston rod can rotate along with the rotation of the rotating frame when being positioned and clamped;
the rotating frame (3) is rotatably arranged on the frame (1) and the rotating axis of the rotating frame is overlapped with the positioning center line of the centering clamping mechanism, one end of the rotating frame is connected with a driving device II (31) for driving the rotating frame to rotate, and the other end of the rotating frame is directly or indirectly connected with the tail end of a piston rod (60) clamped or to be clamped in the centering clamping mechanism;
the piston clamping device (4) comprises a clamping assembly (41), an elastic component I (42) and a driving device III (43), wherein the clamping assembly is provided with a sliding connection part I (411) which is matched with the guide rail or the guide groove in a sliding manner, two ends of the elastic component I in the elastic direction are respectively connected with the clamping assembly and the driving device III, the driving device III is used for adjusting the position of the clamping assembly by providing power for the clamping assembly to slide along the guide rail or the guide groove through the elastic component I, so that the clamping assembly moves to the position of the piston, and the clamping assembly is used for clamping the piston along the radial periphery of the piston to prevent the piston from rotating along with the rotation of a piston rod (60) in the disassembly process; in the disassembly process, the piston is gradually retreated from the piston rod (60) along the axial line direction of the piston rod due to the rotation of the piston rod, and the elastic component I (42) is used for compensating the retreating displacement of the piston;
the clamping and pressing assembly (41) comprises a spanner rack (410), a guide pin (412), a spring II (413), a clamping block A (414), a clamping block B (415) and a driving device IV (416), wherein the sliding connection part I (411) is arranged on the spanner rack (410), the guide pin (412) is fixed on the spanner rack and is arranged along the direction perpendicular to the axis of a piston rod, the clamping block A and the clamping block B are slidably arranged on the guide pin in a penetrating manner, the spring II is sleeved on the guide pin and abuts against the clamping block A and the clamping block B, the spring II is used for enabling the clamping block A and the clamping block B to be mutually far away from each other to loosen a piston, the driving device IV is arranged on the spanner rack along the direction perpendicular to the axis of the piston rod, the driving device IV is connected with the clamping block A or the clamping block B, the driving device IV is used for overcoming the acting force of the spring II to enable the clamping block A and the clamping block B to be mutually close to clamp the piston, and the spanner rack is connected with the driving device III.
2. The piston removing apparatus of an oil pressure damper according to claim 1, wherein said driving means is a micro jack.
3. The piston dismounting device for an oil pressure damper according to claim 1, wherein the first elastic component (42) comprises a connecting bolt (421) and a first spring (422), a through hole (417) parallel to the axial line direction of the piston rod is arranged on the clamping and pressing component (41), the connecting bolt is arranged in the through hole in a penetrating manner, two ends of the connecting bolt extend out of the through hole, one end of the connecting bolt extending out of the through hole is fixedly connected with the driving device three, the other end of the connecting bolt extending out of the through hole is provided with a shoulder (423) with a size larger than the aperture of the through hole, and the first spring is arranged outside the connecting bolt in a sleeved manner and is propped between the driving device three and the clamping and pressing component.
4. The hydraulic damper piston dismounting device according to claim 1, wherein the centering and clamping mechanism comprises a mounting seat (20), a gear (23), a rack a (24), a rack B (25) and a rolling component mounting frame (26), the rolling components (21) are four groups distributed in a central symmetry manner, one group of rolling component parts comprises at least two rolling components distributed along the axial line direction of a piston rod, the rack a and the rack B are respectively connected with two groups of rolling components through the rolling component mounting frame, the gear is rotatably arranged on the mounting seat and the axial line of the gear is perpendicular to the axial line of the rotating frame, symmetrical meshing of the rack a and the rack B is arranged on a gear tooth surface, a guide groove (201) for guiding the rack a and the rack B in a sliding manner is arranged on the mounting seat, the length direction of the guide groove is arranged along the tangential direction of the gear, one driving device is connected with any one of the rack a and the rack B and the gear, and the driving device is used for simultaneously driving the rack a and the rack B to slide under the guide of the guide groove through the gear so as to provide power for the centering and clamping mechanism.
5. The piston removing device for an oil pressure damper according to claim 4, wherein the rolling member (21) is a rolling bearing, and the first driving means (22) is a cylinder connected to the rack a or the rack B.
6. The piston dismounting device for the oil pressure damper according to claim 1, wherein the position of the centering clamping mechanism (2) on the frame is adjustable, a sliding connection part II (27) which is matched with the guide rail or the guide groove in a sliding way is arranged on the centering clamping mechanism, a position adjusting plate (8) is arranged on the frame, a positioning notch (81) is arranged on the position adjusting plate, a positioning bolt (82) is connected on the centering clamping mechanism, one end of the positioning bolt is fixedly connected with the centering clamping mechanism, and the other end of the positioning bolt is detachably bolted in the positioning notch.
7. The piston removing device for an oil pressure damper according to claim 1, wherein the second driving device adopts a motor and a speed reducer, and the third driving device adopts a cylinder.
8. An oil pressure damper piston dismounting device according to claim 1, characterized in that the turret (3) is rotatably arranged on the frame (1) by means of thrust bearings (32).
9. The piston dismounting device for an oil pressure damper according to claim 8, wherein the middle part of a rotating shaft (34) for connecting the second driving device and the rotating frame is axially movably arranged in the thrust bearing inner ring, and the axial position of the rotating shaft (34) relative to the frame is adjustable, so that the dismounting device is suitable for dismounting piston rods and piston assemblies with different length specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521630.7A CN107097064B (en) | 2017-06-30 | 2017-06-30 | Piston dismounting device of oil pressure damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521630.7A CN107097064B (en) | 2017-06-30 | 2017-06-30 | Piston dismounting device of oil pressure damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107097064A CN107097064A (en) | 2017-08-29 |
| CN107097064B true CN107097064B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710521630.7A Active CN107097064B (en) | 2017-06-30 | 2017-06-30 | Piston dismounting device of oil pressure damper |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738091A (en) * | 2017-10-25 | 2018-02-27 | 海门市铁路机车车辆配件厂有限公司 | A kind of shock absorber detaching equipment |
| CN113458751B (en) * | 2021-05-31 | 2022-09-23 | 中车唐山机车车辆有限公司 | Demolition unit |
| CN117583865B (en) * | 2024-01-18 | 2024-04-19 | 宁波赛德森减振系统有限公司 | Vertical stretcher of oil pressure bumper shock absorber |
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| CN106181347A (en) * | 2016-08-31 | 2016-12-07 | 苏州市吴中区木渎晓云模具加工厂 | Electromagnetic valve assembles the nut device for screwing up of equipment |
| CN206936788U (en) * | 2017-06-30 | 2018-01-30 | 株洲联诚集团控股股份有限公司 | A kind of oil-pressure damper piston disassembling device |
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2017
- 2017-06-30 CN CN201710521630.7A patent/CN107097064B/en active Active
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| JP2005169512A (en) * | 2003-12-08 | 2005-06-30 | Shinjo Mfg Co Ltd | Automatic thread fastening device |
| CN101259586A (en) * | 2008-04-15 | 2008-09-10 | 哈尔滨工程大学 | Deep water full-automatic hydraulic drawing pretension position compensating fixed-moment wrench |
| CN203062193U (en) * | 2012-11-20 | 2013-07-17 | 株洲联诚集团减振器有限责任公司 | Device of dismounting oil damper protective cover barrel with screw joint |
| CN104647015A (en) * | 2014-11-21 | 2015-05-27 | 重庆耀勇减震器有限公司 | Compressing pinching device for damper |
| CN106181347A (en) * | 2016-08-31 | 2016-12-07 | 苏州市吴中区木渎晓云模具加工厂 | Electromagnetic valve assembles the nut device for screwing up of equipment |
| CN206936788U (en) * | 2017-06-30 | 2018-01-30 | 株洲联诚集团控股股份有限公司 | A kind of oil-pressure damper piston disassembling device |
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| CN107097064A (en) | 2017-08-29 |
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