CN214331308U - Energy-saving guider component for shock absorber - Google Patents

Abstract

The invention discloses an energy-saving guider component for a shock absorber, which comprises a shock absorber cylinder, a guider and a piston rod, wherein the guider is arranged in the shock absorber cylinder, the middle parts of the shock absorber cylinder and the guider are movably connected with the piston rod, the inner bottom wall of the shock absorber cylinder is fixedly connected with a first buffer spring, the upper surface of the first buffer spring is fixedly connected with a moving plate, and the inner wall of the shock absorber cylinder is fixedly connected with a clamping block. Can keep off the dust impurity in the outside air, avoid it to influence the use of device, improve the practicality of device.

Description

Energy-saving guider component for shock absorber

Technical Field

The invention relates to the technical field of guides, in particular to an energy-saving guide assembly for a shock absorber.

Background

The shock absorber is mainly used for inhibiting the vibration of the spring during rebound after vibration absorption and the impact from the road surface, when the spring passes through the uneven road surface, although the vibration absorption spring can filter the vibration of the road surface, the spring can still do reciprocating motion, the shock absorber is used for inhibiting the spring from jumping, a guider is generally adopted in the shock absorber to guide a piston rod, but the assembly precision of the guider and the piston rod in the prior art is poor, and the vibration absorption effect of the shock absorber is influenced.

At present, commonly used guider components in domestic vehicle shock absorbers generally comprise a guider and a guide bush, when the shock absorber works, high-pressure oil flow is formed in a shock absorber working oil cylinder instantly and flows out at a high speed through a gap between a piston rod and the guide bush, and the high-pressure oil leakage condition is caused, so that the shock absorber is easily damaged too early, the oil leakage of the shock absorber is caused, the service life of an oil seal is shortened, and dust easily enters the shock absorber after long-term use to influence the use of the shock absorber guider.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an energy-saving guider component for a shock absorber, which has the advantages of high sealing performance, dust prevention, long service life and the like, and solves the problems of leakage of high-pressure oil and introduction of dust and impurities.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving guider component for a shock absorber comprises a shock absorber barrel, a guider and a piston rod, wherein the guider is arranged inside the shock absorber barrel, the piston rod is movably connected between the middle parts of the shock absorber barrel and the guider, a first buffer spring is fixedly connected to the inner bottom wall of the shock absorber barrel, a moving plate is fixedly connected to the upper surface of the first buffer spring, a clamping block is fixedly connected to the inner wall of the shock absorber barrel, a stepped hole is formed inside the guider, a through hole is formed below the stepped hole, a circular groove is formed in the side wall, positioned inside the guider, of the through hole, a first sealing gasket is arranged inside the circular groove, a first flow guide hole is formed in the side wall, positioned below the through hole, of the first sealing gasket, a stepped seat is arranged on the lower surface of the guider, and a flow guide cylinder is fixedly connected to the lower surface of the stepped seat, one side of the flow guide cylinder is provided with a working cylinder, the upper surface of the stepped hole is provided with a second sealing gasket, the upper surface of the shock absorber cylinder is fixedly connected with a third sealing gasket, and one end of the piston rod is fixedly connected with a dust cover.

Preferably, the piston rod penetrates through the middle parts of the shock absorber cylinder and the guider, and the bottom end of the piston rod is fixedly connected with a limiting block.

Preferably, the lower surfaces of the guide cylinder and the working cylinder are fixedly connected with the inner bottom wall of the shock absorber cylinder.

Preferably, a support plate is arranged on the inner bottom wall of the shock absorber cylinder below the moving plate, and the first buffer spring penetrates through the support plate.

Preferably, the inside of shoulder hole is provided with first joint groove, the below in first joint groove is provided with the chute, the second joint groove has been seted up to the lateral wall of director.

Preferably, a flow guide cavity is arranged between the flow guide cylinder and the working cylinder, an oil storage cavity is arranged between the shock absorber cylinder and the flow guide cylinder, and the working cavity is arranged inside the working cylinder.

Preferably, the middle parts of the guide cylinder and the working cylinder are provided with second guide holes.

Preferably, the upper surface of the dust cover is fixedly connected with a first fixed block, and the upper surface of the first fixed block is movably connected with an upper hanging ring.

Preferably, the lower surface of the shock absorber cylinder is fixedly connected with a trapezoidal reinforcing seat, the lower surface of the trapezoidal reinforcing seat is fixedly connected with a second fixing block, and the lower surface of the second fixing block is movably connected with a lower hanging ring.

Preferably, threaded holes are formed in the upper surfaces of the third sealing gasket and the shock absorber cylinder, fixing bolts are connected with the threaded holes in a threaded mode, and the third sealing gasket is fixedly connected with the upper surface of the shock absorber cylinder through the fixing bolts.

(III) advantageous effects

Compared with the prior art, the invention provides an energy-saving guider component for a shock absorber, which has the following beneficial effects:

1. this an energy-saving director subassembly for shock absorber, through the setting of first buffer spring and backup pad, first buffer spring can be at the in-process that the piston rod pushed down and keep off partial pressure, plays the effect of buffering, avoids the too big shock absorber barrel and the director of damaging of pressure, and the movable plate can be supported to the backup pad to avoid the too big first buffer spring of messenger of pressure to be damaged, play the effect of protecting first buffer spring.

2. This an energy-saving director subassembly for shock absorber, through first sealed pad, the sealed cooperation of filling up of second and the sealed pad of third is used, certain damping effect can be played at the in-process that the piston rod pushed down to first sealed pad, buffer partial kinetic energy, the sealed pad of second can play preliminary sealing effect, the sealed pad of third can be sealed the shock absorber barrel completely, avoid high-pressure fluid to flow out and reveal and make the too early damage of oil blanket of shock absorber barrel, prolong the life of whole device.

3. This an energy-saving director subassembly for shock absorber through the setting of dust cover, can keep off the dust impurity in the outside air, avoids the piston rod to bring the external dust impurity attached to on the piston rod into the shock absorber barrel at the removal in-process to influence the use of shock absorber barrel and director, improve the practicality of whole device.

4. This an energy-saving director subassembly for shock absorber uses through recess, guide bar and second buffer spring's cooperation, can make the guide bar move in the recess at the in-process that the piston rod pushed down, and second buffer spring plays the cushioning effect simultaneously, reduces the partial kinetic energy that the piston rod pushed down, avoids pushing down the too big shock absorber that damages of kinetic energy.

Drawings

FIG. 1 is a schematic cross-sectional front view of an energy saving guide assembly for a shock absorber according to the present invention;

FIG. 2 is a perspective view of a guide of an energy saving guide assembly for a shock absorber according to the present invention;

FIG. 3 is a schematic top view of a guide of an energy efficient guide assembly for a shock absorber according to the present invention;

FIG. 4 is a front view of a guide assembly of an energy saving guide assembly for a shock absorber according to the present invention;

FIG. 5 is a front cross-sectional view of a guide of an energy saving guide assembly for a shock absorber according to the present invention;

fig. 6 is an enlarged schematic structural view at a in fig. 1 of an energy saving type guider component for a shock absorber according to the present invention.

In the figure: 1. a shock absorber cylinder; 2. a guide; 3. a piston rod; 4. a first buffer spring; 5. moving the plate; 6. a clamping block; 7. a stepped hole; 8. a through hole; 9. a circular groove; 10. a first gasket; 11. a first flow guide hole; 12. a step seat; 13. a diversion cylinder; 14. a working cylinder; 15. a second gasket; 16. a third gasket; 17. a dust cover; 18. a groove; 19. a guide bar; 20. a second buffer spring; 21. a limiting block; 22. a support plate; 23. a first clamping groove; 24. a chute; 25. a second clamping groove; 26. a flow guide cavity; 27. an oil storage chamber; 28. a working chamber; 29. a second flow guide hole; 30. a first fixed block; 31. an upper hanging ring; 32. a trapezoidal reinforcing seat; 33. a second fixed block; 34. a lower lifting ring; 35. a threaded hole; 36. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-6, in embodiment 1 of the present invention, an energy-saving guide assembly for a shock absorber includes a shock absorber cylinder 1, a guide 2 and a piston rod 3, the guide 2 is disposed inside the shock absorber cylinder 1, the piston rod 3 is movably connected to the middle portions of the shock absorber cylinder 1 and the guide 2, a first buffer spring 4 is fixedly connected to an inner bottom wall of the shock absorber cylinder 1, a moving plate 5 is fixedly connected to an upper surface of the first buffer spring 4, the first buffer spring 4 can resist partial pressure during a process of pressing down the piston rod 3 through the arrangement of the first buffer spring 4 and a support plate 22, so as to perform a buffering function, prevent the shock absorber cylinder 1 and the guide 2 from being damaged due to excessive pressure, the support plate 22 can support the moving plate 5, thereby prevent the first buffer spring 4 from being damaged due to excessive pressure, and perform a function of protecting the first buffer spring 4, the inner wall of the shock absorber cylinder body 1 is fixedly connected with a clamping block 6, a stepped hole 7 is formed in the guider 2, a through hole 8 is formed below the stepped hole 7, a circular groove 9 is formed in the side wall, located at the through hole 8, of the guider 2, a first sealing gasket 10 is arranged in the circular groove 9, a first flow guide hole 11 is formed in the side wall, located at the through hole 8, of the first sealing gasket 10, a stepped seat 12 is formed in the lower surface of the guider 2, a flow guide cylinder 13 is fixedly connected to the lower surface of the stepped seat 12, a working cylinder 14 is arranged on one side of the flow guide cylinder 13, a second sealing gasket 15 is arranged on the upper surface of the stepped hole 7, a third sealing gasket 16 is fixedly connected to the upper surface of the shock absorber cylinder body 1, and the first sealing gasket 10, the second sealing gasket 15 and the third sealing gasket 16 are matched for use, so that the first sealing gasket 10 can play a certain damping role in the process of pressing down the piston rod 3, buffer part of kinetic energy, the second sealing gasket 15 can play a primary sealing role, the third sealing gasket 16 can completely seal the shock absorber barrel 1, prevent high-pressure oil from flowing out and leaking to cause premature damage of an oil seal of the shock absorber barrel 1, prolong the service life of the whole device, one end of the piston rod 3 is fixedly connected with a dust cover 17, through the arrangement of the dust cover 17, dust impurities in the outside air can be blocked, the piston rod 3 is prevented from bringing the outside dust impurities attached to the piston rod 3 into the shock absorber barrel 1 in the moving process, so that the use of the shock absorber barrel 1 and the guider 2 is influenced, the practicability of the whole device is improved, a groove 18 is formed in the dust cover 17, a guide rod 19 is fixedly connected to the upper surface of the third sealing gasket 16, a second buffer spring 20 is movably connected to the outer surface of the guide rod 19, and the shock absorber barrel 1 and the second buffer spring 20 are matched for use, can make guide bar 19 move in recess 18 at the in-process that the piston rod 3 pushed down, second buffer spring 20 plays the cushioning effect simultaneously, reduces the partial kinetic energy that the piston rod 3 pushed down, avoids pushing down the too big shock absorber that damages of kinetic energy.

In embodiment 2 of the present invention, an energy-saving type guider component for a shock absorber includes a shock absorber cylinder 1, a guider 2 and a piston rod 3, the guider 2 is disposed inside the shock absorber cylinder 1, the piston rod 3 is movably connected to the middle portions of the shock absorber cylinder 1 and the guider 2, a first buffer spring 4 is fixedly connected to the inner bottom wall of the shock absorber cylinder 1, a moving plate 5 is fixedly connected to the upper surface of the first buffer spring 4, a fixture block 6 is fixedly connected to the inner wall of the shock absorber cylinder 1, a stepped hole 7 is disposed inside the guider 2, a through hole 8 is disposed below the stepped hole 7, a circular groove 9 is disposed on the side wall of the through hole 8 inside the guider 2, a first sealing gasket 10 is disposed inside the circular groove 9, a first flow guiding hole 11 is disposed on the side wall of the through hole 8 below the first sealing gasket 10, a stepped seat 12 is disposed on the lower surface of the guider 2, the lower fixed surface of ladder seat 12 is connected with water conservancy diversion jar 13, one side of water conservancy diversion jar 13 is provided with working cylinder 14, the upper surface of shoulder hole 7 is provided with the sealed pad 15 of second, the last fixed surface of shock absorber barrel 1 is connected with the sealed pad 16 of third, the one end fixedly connected with dust cover 17 of piston rod 3, the recess 18 has been seted up to the inside of dust cover 17, the last fixed surface of the sealed pad 16 of third is connected with guide bar 19, the surface swing joint of guide bar 19 has second buffer spring 20.

Among them, the difference from example 1 is: the piston rod 3 penetrates through the middle parts of the shock absorber cylinder 1 and the guider 2, the bottom end of the piston rod 3 is fixedly connected with a limiting block 21, the piston rod 3 penetrates through the shock absorber cylinder 1 and the guider 2, the piston rod 3 can slide in the shock absorber cylinder 1 and the guider 2, the shock absorption action of the piston rod 3 is convenient to carry out, the piston rod 3 can be ensured not to be separated from the shock absorber cylinder 1 and the guider 2 in the shock absorption action process through the arrangement of the limiting block 21, the limiting effect is achieved, the lower surfaces of the guide cylinder 13 and the working cylinder 14 are fixedly connected with the inner bottom wall of the shock absorber cylinder 1, the working cylinder 14 can enable the working volume of the piston rod 3 to be fixed through the arrangement of the guide cylinder 13 and the working cylinder 14, so that greater pressure is generated in the pressing-down process of the piston rod 3, the pressure of oil is increased, the kinetic energy of vibration is effectively reduced, and the guide cylinder 13 can provide convenience for the backflow of high-pressure oil, the pressure release is convenient for high-pressure oil, a supporting plate 22 is arranged on the inner bottom wall of the shock absorber barrel 1 and below the moving plate 5, the first buffer spring 4 penetrates through the supporting plate 22, the supporting plate 22 can support the moving plate 5 in the process of pressing the piston rod 3 downwards, the first buffer spring 4 is protected at the same time, the phenomenon that the kinetic energy of pressing the piston rod 3 downwards is too large to drive the moving plate 5 to press the first buffer spring 4 downwards to cause the first buffer spring 4 to be damaged and lose efficacy and influence the use of the whole device is avoided, a first clamping groove 23 is arranged inside the stepped hole 7, a chute 24 is arranged below the first clamping groove 23, a second clamping groove 25 is arranged on the side wall of the guider 2, and the first clamping groove 23 can be clamped with the second sealing gasket 15 through the matching arrangement of the first clamping groove 23, the chute 24 and the second clamping groove 25, the stability of connection between the second sealing gasket 15 and the guider 2 is increased, the fixture block 6 can penetrate through the chute 24 and the second clamping groove 25 to be clamped with the guider 2, the limiting and fixing of the guider 2 are realized, the situation that the guider 2 is driven to move downwards in the process of pressing the piston rod 3 is avoided, the diversion cavity 26 is arranged between the diversion cylinder 13 and the working cylinder 14, the oil storage cavity 27 is arranged between the shock absorber barrel 1 and the diversion cylinder 13, the working cavity 28 is arranged inside the working cylinder 14, the working cavity 28 can facilitate the shock absorption action of the piston rod 3 in the working cavity by the arrangement of the diversion cavity 26, the oil storage cavity 27 and the working cavity 28, the diversion cavity 26 can conduct diversion and pressure release on high-pressure oil generated when the shock absorption action of the piston rod 3, the oil storage cavity 27 can supplement the oil to ensure the smooth shock absorption action of the piston rod 3, the second diversion holes 29 are formed in the middles of the diversion cylinder 13 and the working cylinder 14, the arrangement of the second diversion hole 29 can enable high-pressure oil generated when the piston rod 3 performs vibration reduction action to smoothly pass through for pressure relief, and avoid overlarge oil pressure, the upper surface of the dust cover 17 is fixedly connected with the first fixing block 30, the upper surface of the first fixing block 30 is movably connected with the upper hanging ring 31, the arrangement of the first fixing block 30 and the upper hanging ring 31 can facilitate the connection of the piston rod 3 with other mechanisms, the lower surface of the vibration absorber barrel 1 is fixedly connected with the trapezoidal reinforcing base 32, the lower surface of the trapezoidal reinforcing base 32 is fixedly connected with the second fixing block 33, the lower surface of the second fixing block 33 is movably connected with the lower hanging ring 34, the trapezoidal reinforcing base 32, the second fixing block 33 and the lower hanging ring 34 are arranged in a matching manner, the trapezoidal reinforcing base 32 can increase the stability of the bottom of the vibration absorber barrel 1, and the bottom of the vibration absorber barrel 1 can facilitate the connection with other mechanisms by the second fixing block 33 and the lower hanging ring 34, threaded holes 35 are formed in the upper surfaces of the third sealing gasket 16 and the shock absorber cylinder 1, fixing bolts 36 are connected to the inner threads of the threaded holes 35, the third sealing gasket 16 is fixedly connected with the upper surface of the shock absorber cylinder 1 through the fixing bolts 36, the third sealing gasket 16 can be tightly connected with the shock absorber cylinder 1 through the threaded holes 35 and the fixing bolts 36, the sealing performance of the shock absorber cylinder 1 is improved, and the third sealing gasket 16 is prevented from falling off.

The working principle is as follows: through the arrangement of the first buffer spring 4 and the supporting plate 22, the first buffer spring 4 can resist partial pressure in the process of pressing down the piston rod 3 to play a role of buffering, the shock absorber cylinder 1 and the guider 2 are prevented from being damaged due to overlarge pressure, the supporting plate 22 can support the moving plate 5, so that the first buffer spring 4 is prevented from being damaged due to the overlarge pressure, the effect of protecting the first buffer spring 4 is achieved, through the matched use of the first sealing gasket 10, the second sealing gasket 15 and the third sealing gasket 16, the first sealing gasket 10 can play a certain damping role in the process of pressing down the piston rod 3 to buffer partial kinetic energy, the second sealing gasket 15 can play a primary sealing role, the third sealing gasket 16 can completely seal the shock absorber cylinder 1 to prevent high-pressure oil from flowing out and leaking to cause the premature damage of an oil seal of the shock absorber cylinder 1, and the service life of the whole device is prolonged, through the setting of dust cover 17, can keep off the dust impurity in the outside air, avoid piston rod 3 to bring the external dust impurity attached to on piston rod 3 into shock absorber barrel 1 at the removal in-process, thereby influence the use of shock absorber barrel 1 and director 2, improve the practicality of whole device, through recess 18, guide bar 19 and second buffer spring 20's cooperation is used, can make guide bar 19 remove in recess 18 at the in-process that piston rod 3 pushed down, second buffer spring 20 plays the cushioning effect simultaneously, reduce the partial kinetic energy that piston rod 3 pushed down, avoid pushing down the too big shock absorber that damages of kinetic energy.

The using method comprises the following steps: in the process of pressing down the piston rod 3, the piston rod 3 moves downwards to reduce the volume of a working cavity 28 in the working cylinder 14, high-pressure oil is generated to perform buffering and vibration damping actions, the high-pressure oil enters a diversion cavity 26 and an oil storage cavity 27 through a second diversion hole 29 to release pressure, meanwhile, a first sealing gasket 10 and a second sealing gasket 15 in the guider 2 seal the high-pressure oil and play a certain damping role on the piston rod 3 to buffer part of kinetic energy in the process of pressing down the piston rod 3, when the piston rod 3 presses down to the bottommost end, the movable plate 5 and the first buffer spring 4 start to work to completely buffer the piston rod 3, and meanwhile, the dust cover 17 moves along with the piston rod 3 to block dust and impurities in the outside air and prevent the dust and impurities from entering the shock absorber cylinder 1 along with the movement of the piston rod 3.

It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or operations, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus, without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An energy-saving guider component for a shock absorber comprises a shock absorber cylinder (1), a guider (2) and a piston rod (3), and is characterized in that: the shock absorber comprises a shock absorber barrel body (1), a guider (2) is arranged inside the shock absorber barrel body (1), a piston rod (3) is movably connected to the middle portions of the shock absorber barrel body (1) and the guider (2), a first buffer spring (4) is fixedly connected to the inner bottom wall of the shock absorber barrel body (1), a moving plate (5) is fixedly connected to the upper surface of the first buffer spring (4), a clamping block (6) is fixedly connected to the inner wall of the shock absorber barrel body (1), a stepped hole (7) is formed inside the guider (2), a through hole (8) is formed below the stepped hole (7), a circular groove (9) is formed in the side wall, located in the through hole (8), of the guider (2), a first sealing gasket (10) is arranged inside the circular groove (9), and a first flow guide hole (11) is formed in the side wall, located in the through hole (8), below the first sealing gasket (10), the lower surface of director (2) is provided with ladder seat (12), the lower fixed surface of ladder seat (12) is connected with water conservancy diversion jar (13), one side of water conservancy diversion jar (13) is provided with working cylinder (14), the upper surface of shoulder hole (7) is provided with the sealed pad (15) of second, the last fixed surface of shock absorber barrel (1) is connected with the sealed pad (16) of third, the one end fixedly connected with dust cover (17) of piston rod (3), the inside of dust cover (17) is seted up flutedly (18), the last fixed surface of the sealed pad (16) of third is connected with guide bar (19), the surface swing joint of guide bar (19) has second buffer spring (20).

2. An economized pilot assembly for a shock absorber according to claim 1, wherein: the piston rod (3) penetrates through the middle parts of the shock absorber cylinder body (1) and the guider (2), and a limiting block (21) is fixedly connected to the bottom end of the piston rod (3).

3. An economized pilot assembly for a shock absorber according to claim 1, wherein: the lower surfaces of the flow guide cylinder (13) and the working cylinder (14) are fixedly connected with the inner bottom wall of the shock absorber cylinder body (1).

4. An economized pilot assembly for a shock absorber according to claim 1, wherein: a supporting plate (22) is arranged on the inner bottom wall of the shock absorber cylinder (1) and below the moving plate (5), and the first buffer spring (4) penetrates through the supporting plate (22).

5. An economized pilot assembly for a shock absorber according to claim 1, wherein: the inside of shoulder hole (7) is provided with first joint groove (23), the below in first joint groove (23) is provided with chute (24), second joint groove (25) have been seted up to the lateral wall of director (2).

6. An economized pilot assembly for a shock absorber according to claim 1, wherein: a flow guide cavity (26) is arranged between the flow guide cylinder (13) and the working cylinder (14), an oil storage cavity (27) is arranged between the shock absorber cylinder body (1) and the flow guide cylinder (13), and a working cavity (28) is arranged inside the working cylinder (14).

7. An economized pilot assembly for a shock absorber according to claim 1, wherein: and the middle parts of the guide cylinder (13) and the working cylinder (14) are provided with second guide holes (29).

8. An economized pilot assembly for a shock absorber according to claim 1, wherein: the upper surface of the dust cover (17) is fixedly connected with a first fixing block (30), and the upper surface of the first fixing block (30) is movably connected with an upper lifting ring (31).

9. An economized pilot assembly for a shock absorber according to claim 1, wherein: the lower surface fixed connection of shock absorber barrel (1) has trapezoidal reinforcement seat (32), the lower surface fixed connection of trapezoidal reinforcement seat (32) has second fixed block (33), the lower surface swing joint of second fixed block (33) has lower rings (34).

10. An economized pilot assembly for a shock absorber according to claim 1, wherein: threaded holes (35) are formed in the upper surfaces of the third sealing gasket (16) and the shock absorber cylinder (1), fixing bolts (36) are connected to the inner threads of the threaded holes (35), and the third sealing gasket (16) is fixedly connected with the upper surface of the shock absorber cylinder (1) through the fixing bolts (36).

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