CN214999046U

CN214999046U - Hydraulic shock absorber for tracked vehicle

Info

Publication number: CN214999046U
Application number: CN202121433000.2U
Authority: CN
Inventors: 刘凤霞; 臧鹏飞; 兰涛; 刘建东; 刘纪阳; 孙宁
Original assignee: Shenyang Great Wall Hydraulic Machinery Manufacturing Co ltd
Current assignee: Shenyang Great Wall Hydraulic Machinery Manufacturing Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a hydraulic shock absorber for tracked vehicle, including the hydraulic shock absorber body, the inner chamber swing joint of hydraulic shock absorber body has the head rod, the top of head rod runs through rings on the outside fixedly connected with to the hydraulic shock absorber body, the equal first spring of fixedly connected with in both sides at head rod inner chamber top, the bottom fixedly connected with carriage release lever of first spring, the bottom center department fixedly connected with second spring of carriage release lever, the bottom fixedly connected with dead lever of second spring. The utility model discloses a setting of first spring, carriage release lever, second spring and dead lever reaches absorbing effect, and the life of greatly increased piston rod avoids piston rod live time overlength to appear damaging, leads to the unable normal operating's of hydraulic shock absorber body phenomenon, through the setting of spout and slider, promotes the smoothness nature of machine operation, has improved the work efficiency of machine greatly.

Description

Hydraulic shock absorber for tracked vehicle

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is a hydraulic shock absorber for tracked vehicle.

Background

The shock absorber is used to suppress the shock of spring after absorbing shock and the impact from road surface, and is used widely in automobile to speed up the attenuation of frame and body vibration and improve the running smoothness of automobile. When the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

With the development of times and the improvement of science and technology, the shock absorber is applied to various industries, the shock absorber used by the tracked vehicle is a hydraulic shock absorber, the existing hydraulic shock absorber cannot effectively protect a piston rod, the service life is too long, and the piston rod is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic shock absorber for tracked vehicle possesses absorbing advantage, has solved present hydraulic shock absorber and can't carry out effectual protection to the piston rod, leads to the live time overlength, causes the problem that the piston rod damaged to appear.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic shock absorber for a tracked vehicle comprises a hydraulic shock absorber body, wherein a first connecting rod is movably connected to an inner cavity of the hydraulic shock absorber body, the top of the first connecting rod penetrates through an upper hanging ring fixedly connected to the outside of the hydraulic shock absorber body, first springs are fixedly connected to two sides of the top of the inner cavity of the first connecting rod, a moving rod is fixedly connected to the bottom of each first spring, a second spring is fixedly connected to the center of the bottom of the moving rod, a fixed rod is fixedly connected to the bottom of the second spring, a piston rod is fixedly connected to the bottom of the fixed rod, a first extrusion plate is fixedly connected to the outside of the first connecting rod through the bottom of the piston rod, a limiting rod is fixedly connected to the bottom of the first extrusion plate, a second extrusion plate is fixedly connected to the bottom of the limiting rod, and a base is fixedly connected to the bottom of the inner cavity of the hydraulic shock absorber body, the bottom fixedly connected with second connecting rod of base, the outside fixedly connected with lower rings of hydraulic shock absorber body is run through to the bottom of second connecting rod.

Preferably, the equal fixedly connected with slide bar in both sides at hydraulic shock absorber body inner chamber top, the equal fixedly connected with sliding sleeve in both sides of head rod, the inner chamber sliding connection of sliding sleeve is in the surface of slide bar.

Preferably, the surfaces of the inner cavities of the upper hanging ring and the lower hanging ring are fixedly connected with protective pads, and the thickness of each protective pad is 2cm-3 cm.

Preferably, the sliding grooves are formed in two sides of the inner cavity of the first connecting rod, the sliding blocks are fixedly connected to two sides of the moving rod, and the surfaces of the sliding blocks are slidably connected into the inner cavities of the sliding grooves.

Preferably, an oil inlet hole is formed in the surface of the hydraulic shock absorber body, and a bolt is connected to an inner cavity of the oil inlet hole in a threaded manner.

Preferably, oil return holes are formed in two sides of the second extrusion plate, and the number of the oil return holes is two.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first spring, the carriage release lever, the setting of second spring and dead lever, reach absorbing effect, the life of greatly increased piston rod, avoid piston rod live time overlength to appear damaging, the phenomenon that leads to the unable normal operating of hydraulic shock absorber body, through the setting of spout and slider, smoothness nature when promoting the machine operation, the work efficiency of machine has been improved greatly, it can't carry out effectual protection to the piston rod to have solved present hydraulic shock absorber body simultaneously, lead to the live time overlength, cause the problem that the piston rod appears damaging.

2. The utility model discloses a setting of slide bar carries on spacingly to the sliding sleeve, reduces the shake when the sliding sleeve operation, greatly increased the stability of sliding sleeve, through the setting of protection pad, to the friction of last rings and rings down when reducing the installation, improved the life of last rings and rings down greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the internal structure of the hydraulic shock absorber body of the present invention;

fig. 3 is a cross-sectional view of the internal structure of the first connecting rod of the present invention.

In the figure: 1. a hydraulic damper body; 2. a first connecting rod; 3. an upper hanging ring; 4. a first spring; 5. A travel bar; 6. a second spring; 7. fixing the rod; 8. a piston rod; 9. a first squeeze plate; 10. a limiting rod; 11. a second compression plate; 12. an oil return hole; 13. an oil inlet hole; 14. a second connecting rod; 15. a base; 16. a lower lifting ring; 17. a sliding sleeve; 18. a slide bar; 19. a chute; 20. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a hydraulic shock absorber for a tracked vehicle comprises a hydraulic shock absorber body 1, an oil inlet 13 is formed in the surface of the hydraulic shock absorber body 1, a bolt is connected to the inner cavity of the oil inlet 13 through a thread, a sliding rod 18 is fixedly connected to each of two sides of the top of the inner cavity of the hydraulic shock absorber body 1, a sliding sleeve 17 is limited by the arrangement of the sliding rod 18, the vibration of the sliding sleeve 17 during operation is reduced, the stability of the sliding sleeve 17 is greatly improved, a sliding sleeve 17 is fixedly connected to each of two sides of a first connecting rod 2, the inner cavity of the sliding sleeve 17 is slidably connected to the surface of the sliding rod 18, the inner cavity of the hydraulic shock absorber body 1 is movably connected to the first connecting rod 2, sliding grooves 19 are formed in each of two sides of the inner cavity of the first connecting rod 2, sliding blocks 20 are fixedly connected to two sides of a moving rod 5, the surfaces of the sliding blocks 20 are slidably connected to the inner cavities of the sliding grooves 19, the top of the first connecting rods 2 penetrates through the outer portions of the hydraulic shock absorber body 1 and is fixedly connected to an upper suspension ring 3, the surfaces of the inner cavities of the upper lifting ring 3 and the lower lifting ring 16 are fixedly connected with protective pads, friction to the upper lifting ring 3 and the lower lifting ring 16 during installation is reduced through the arrangement of the protective pads, the service lives of the upper lifting ring 3 and the lower lifting ring 16 are greatly prolonged, the thickness of each protective pad is 2cm-3cm, two sides of the top of the inner cavity of the first connecting rod 2 are fixedly connected with first springs 4, the bottom of each first spring 4 is fixedly connected with a moving rod 5, the bottom center of each moving rod 5 is fixedly connected with a second spring 6, the bottom of each second spring 6 is fixedly connected with a fixed rod 7, the bottom of each fixed rod 7 is fixedly connected with a piston rod 8, the bottom of each piston rod 8 penetrates through the outer part of the first connecting rod 2 and is fixedly connected with a first extrusion plate 9, the bottom of each first extrusion plate 9 is fixedly connected with a limiting rod 10, and the bottom of each limiting rod 10 is fixedly connected with a second extrusion plate 11, oil return holes 12 are formed in two sides of the second extrusion plate 11, the number of the oil return holes 12 is two, a base 15 is fixedly connected to the bottom of an inner cavity of the hydraulic shock absorber body 1, a second connecting rod 14 is fixedly connected to the bottom of the base 15, a lower hanging ring 16 is fixedly connected to the outside of the hydraulic shock absorber body 1 in a manner that the bottom of the second connecting rod 14 penetrates through the bottom, a shock absorbing effect is achieved through the arrangement of the first spring 4, the moving rod 5, the second spring 6 and the fixing rod 7, the service life of the piston rod 8 is greatly prolonged, the phenomenon that the hydraulic shock absorber body 1 cannot normally operate due to overlong use time of the piston rod 8 is avoided, the smoothness of the machine in operation is improved through the arrangement of the sliding groove 19 and the sliding block 20, the working efficiency of the machine is greatly improved, and meanwhile the problem that the conventional hydraulic shock absorber body 1 cannot effectively protect the piston rod 8 is solved, the service time is too long, and the piston rod 8 is damaged.

All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description will be made herein.

When the hydraulic shock absorber is used, firstly, a user injects damping fluid into an inner cavity of the hydraulic shock absorber body 1 by rotating a bolt, secondly, the user installs the hydraulic shock absorber body 1 at a proper position by the upper hanging ring 3 and the lower hanging ring 16, when the crawler works, the first connecting rod 2 drives the piston rod 8 to move downwards under the matching of the sliding sleeve 17 and the sliding rod 18, the piston rod 8 drives the fixing rod 7 to move upwards, the fixing rod 7 drives the second spring 6 and the moving rod 5 to move upwards, the moving rod 5 extrudes the first spring 4 to achieve the effect of buffering and damping on the piston rod 8, then the piston rod 8 drives the first extrusion plate 9 to move downwards, the first extrusion plate 9 drives the limiting rod 10 to move downwards, the limiting rod 10 drives the second extrusion plate 11 to move downwards, and the second extrusion plate 11 extrudes downwards, so that the damping fluid enters the inner cavity through the oil return hole 12, the aim of supplementing the damping fluid lacking in the hydraulic shock absorber body 1 is achieved, and pressure difference is formed.

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

1. The utility model provides a hydraulic shock absorber for tracked vehicle, includes hydraulic shock absorber body (1), its characterized in that: the hydraulic shock absorber comprises a hydraulic shock absorber body (1), wherein a first connecting rod (2) is movably connected to an inner cavity of the hydraulic shock absorber body (1), the top of the first connecting rod (2) penetrates through an upper hanging ring (3) fixedly connected to the outer part of the hydraulic shock absorber body (1), first springs (4) are fixedly connected to the two sides of the top of the inner cavity of the first connecting rod (2), a moving rod (5) is fixedly connected to the bottom of each first spring (4), a second spring (6) is fixedly connected to the center of the bottom of each moving rod (5), a fixing rod (7) is fixedly connected to the bottom of each second spring (6), a piston rod (8) is fixedly connected to the bottom of each fixing rod (7), a first extrusion plate (9) is fixedly connected to the outer part of the first connecting rod (2) through the bottom of each piston rod (8), and a limiting rod (10) is fixedly connected to the bottom of each first extrusion plate (9), the bottom fixedly connected with second stripper plate (11) of gag lever post (10), the bottom fixedly connected with base (15) of hydraulic shock absorber body (1) inner chamber, the bottom fixedly connected with second connecting rod (14) of base (15), rings (16) under the outside fixedly connected with of second connecting rod (14) runs through to hydraulic shock absorber body (1).

2. A hydraulic shock absorber for a tracked vehicle as defined in claim 1, wherein: the hydraulic shock absorber comprises a hydraulic shock absorber body (1), wherein sliding rods (18) are fixedly connected to two sides of the top of an inner cavity of the hydraulic shock absorber body (1), sliding sleeves (17) are fixedly connected to two sides of a first connecting rod (2), and the inner cavity of each sliding sleeve (17) is slidably connected to the surface of each sliding rod (18).

3. A hydraulic shock absorber for a tracked vehicle as defined in claim 1, wherein: the surfaces of the inner cavities of the upper hanging ring (3) and the lower hanging ring (16) are fixedly connected with protective pads, and the thickness of each protective pad is 2cm-3 cm.

4. A hydraulic shock absorber for a tracked vehicle as defined in claim 1, wherein: the two sides of the inner cavity of the first connecting rod (2) are both provided with sliding grooves (19), the two sides of the moving rod (5) are both fixedly connected with sliding blocks (20), and the surfaces of the sliding blocks (20) are slidably connected into the inner cavity of the sliding grooves (19).

5. A hydraulic shock absorber for a tracked vehicle as defined in claim 1, wherein: an oil inlet hole (13) is formed in the surface of the hydraulic shock absorber body (1), and a bolt is connected to the inner cavity of the oil inlet hole (13) in a threaded mode.

6. A hydraulic shock absorber for a tracked vehicle as defined in claim 1, wherein: oil return holes (12) are formed in the two sides of the second extrusion plate (11), and the number of the oil return holes (12) is two.