Damping suspension of anti-explosion robot

Abstract

The utility model discloses a shock-absorbing suspension of an explosion-proof robot in the technical field of shock-absorbing suspensions, which is characterized in that four rotating wheel grooves are arranged at the top end of a chassis of the explosion-proof robot, a driving wheel is assembled in each rotating wheel groove, a bearing is assembled at the bottom end of a damper body, and the bearing is sleeved on a rotating shaft of the driving wheel. The piston rod is assembled in the damper body, the fixing disc is installed at the top end of the piston rod, the damper body is sleeved with the damping spring, the fixing disc is connected to the upper end of the damping spring, the limiting ring is installed at the lower end of the damping spring, the damper body is sleeved with the limiting ring, and limiting threads are formed in the lower end of the outer wall of the damper body. A limiting nut is screwed outside the damper body; according to the shock-absorbing suspension of the anti-explosion robot, the shock-absorbing spring can be disassembled and replaced, recycling of related parts of a shock absorber assembly is achieved, and the maintenance cost of the shock-absorbing suspension is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock-absorbing suspension, in particular to a shock-absorbing suspension of an explosion-proof robot. Background Art

[0002] Suspension generally refers to the general term for all force-transmitting connection devices between the frame and the axle or wheel of a car. Its function is to transmit the force and torque acting between the wheel and the frame, and to buffer the impact force transmitted to the frame or body by the uneven road surface, and to attenuate the vibration caused thereby, so as to ensure that the car can run smoothly. In order to meet the use of explosion-proof robots in different positions, corresponding running wheels are generally arranged below them. Through the drive of the running wheels, the explosion-proof work of different positions of the explosion-proof robot is enabled. In order to improve the walking stability of the explosion-proof robot and meet the walking requirements of different uneven grounds, corresponding shock absorbers are generally arranged on the chassis suspension for shock absorption;

[0003] The buffer device on the existing shock absorber is fixedly connected to the shock absorbing spring. Once the shock absorbing spring is damaged, the shock absorber assembly cannot be used again. The damper and the shock absorbing spring need to be replaced together, which easily leads to a waste of resources. Therefore, the existing technology needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a shock-absorbing suspension for an explosion-proof robot, so as to solve the problem proposed in the above background technology that the buffer device on the existing shock absorber is fixedly connected to the shock-absorbing spring. Once the shock-absorbing spring is damaged, the shock absorber assembly cannot be used again, and the damper and the shock-absorbing spring need to be replaced together, which easily leads to a waste of resources.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock-absorbing suspension of an explosion-proof robot, comprising an explosion-proof robot chassis and a damper body, the top of the explosion-proof robot chassis is provided with four rotating wheel grooves, each of the rotating wheel grooves is equipped with a driving wheel, the bottom end of the damper body is provided with a bearing, the bearing is sleeved on the driving wheel shaft, the interior of the damper body is provided with a piston rod, the top of the piston rod is provided with a fixed disk, the outside of the damper body is sleeved with a shock-absorbing spring, the upper end of the shock-absorbing spring is connected to the fixed disk, the lower end of the shock-absorbing spring is provided with a limiting ring, the limiting ring is sleeved on the outside of the damper body, the lower end of the outer wall of the damper body is provided with a limiting thread, the outside of the damper body is screwed with a limiting nut, the outside of the damper body is provided with a limiting cylinder at the lower end of the limiting nut, the outer wall of the limiting cylinder is triangular and a limiting rod is installed, the outer wall of the limiting rod is provided with a spiral groove matching the limiting thread, and the inside of the limiting cylinder is plugged with an anti-slip rod.

[0006] Preferably, the inner wall of the limit cylinder is provided with a reverse thread, the outer wall of the anti-drop rod is provided with an external thread matching the reverse thread, the bottom end of the damper body is provided with a limit slot, and the limit rod is inserted into the limit slot.

[0007] Preferably, a bearing seat is installed at the bottom end of the anti-drop rod, and the bearing is installed on the bearing seat.

[0008] Preferably, an annular groove is formed at the bottom end of the limiting nut, and the ends of the three limiting rods are placed in the annular groove.

[0009] Preferably, the bearing comprises an axle seat a and an axle seat b which are arranged opposite to each other, and both side walls of the axle seat a and the axle seat b are installed with connecting plates, the two connecting plates are connected by bolts, and both rear side walls of the axle seat a and the axle seat b are installed with fixing plates.

[0010] Preferably, the outer wall of the damper body is provided with through holes evenly and equidistantly, and a receiving block is installed on the top of the fixing plate.

[0011] Preferably, a carrying plate for assembling an explosion-proof robot is installed on the top of the receiving block.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the shock-absorbing suspension of the explosion-proof robot has a reasonable structural design;

[0013] The shock absorption of the explosion-proof robot is achieved by arranging a damper and a shock-absorbing spring between the driving wheel of the explosion-proof robot chassis and the explosion-proof robot carrying plate, and a limit nut and a limit cylinder are arranged at the damper and the shock-absorbing spring. The limit nut and the limit cylinder are disassembled from the damper by threaded connection, and the shock-absorbing spring can be disassembled and replaced, thereby realizing the recycling and reuse of related parts of the shock absorber assembly and saving the maintenance cost of the shock-absorbing suspension. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the damper body of the utility model;

[0016] Figure 3 This is a schematic diagram of the limit cylinder of the utility model;

[0017] Figure 4 This is a schematic diagram of the anti-drop rod of the utility model;

[0018] Figure 5 This is a schematic diagram of the bearing of the utility model.

[0019] In the figure: 1. explosion-proof robot chassis; 2. bearing plate; 3. runner groove; 4. damper body; 5. driving wheel; 6. piston rod; 7. fixed plate; 8. receiving block; 9. shock-absorbing spring; 10. through hole; 11. limiting thread; 12. limiting ring; 13. limiting nut; 14. annular groove; 15. limiting slot; 16. limiting cylinder; 17. bearing; 171. shaft seat a; 172. shaft seat b; 173. fixing plate, 174. connecting plate; 18. spiral groove; 19. reverse thread; 20. limiting rod; 21. bearing seat; 22. anti-drop rod; 23. external thread. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , the utility model provides a technical solution:

[0022] In the technical scheme, a shock-absorbing suspension of an explosion-proof robot includes an explosion-proof robot chassis 1 and a damper body 4. The top of the explosion-proof robot chassis 1 is provided with four rotating wheel grooves 3, each rotating wheel groove 3 is equipped with a driving wheel 4, the bottom end of the damper body 2 is equipped with a bearing 17, the bearing 17 is sleeved on the rotating shaft of the driving wheel 5, the inside of the damper body 4 is equipped with a piston rod 6, the top of the piston rod 6 is installed with a fixed plate 7, the outside of the damper body 4 is sleeved with a shock-absorbing spring 9, and the upper end of the shock-absorbing spring 9 is connected to the fixed plate 7. A limit ring 12 is installed at the lower end of the damping spring 9, and the limit ring 12 is sleeved on the outside of the damper body 4. A limit thread 11 is provided at the lower end of the outer wall of the damper body 4. A limit nut 13 is screwed to the outside of the damper body 4. A limit cylinder 16 is sleeved on the lower end of the limit nut 13 on the outside of the damper body 4. A limit rod 20 is installed on the outer wall of the limit cylinder 16 in a triangular shape. A spiral groove 18 matching the limit thread 11 is provided on the outer wall of the limit rod 20. An anti-drop rod 22 is inserted into the interior of the limit cylinder 16.

[0023] In this technical solution, the explosion-proof robot base 1 is the load-bearing chassis of the explosion-proof robot. The driving wheel 5 is installed by setting the rotating shaft and the bearing to realize the movement of the explosion-proof robot. The explosion-proof robot chassis 1 is connected to the explosion-proof robot through the damper body 4 to realize shock absorption. The damper body 1 cooperates with the shock-absorbing spring 9 to realize shock-absorbing suspension. The damper body 4 is provided with a piston cavity inside. The bottom end of the piston rod 6 is provided with a piston, which can move inside the piston cavity and move with the expansion and contraction of the shock-absorbing spring 9. The shock-absorbing spring 9 and the limit ring 12 are an integrated structure. The upper rear end of the outer part of the damper body 4 is connected to the fixed plate 7, and the lower end is fixed by the limit nut 13. A limit cylinder 16 is provided at the lower end of the limit nut 13 to prevent the limit nut 13 from falling off, thereby realizing the detachable structure of the shock-absorbing spring 9.

[0024] In some technical solutions, reference Figure 1-5 The inner wall of the limit tube 16 is provided with a reverse thread 19 , the outer wall of the anti-dropping rod 22 is provided with an external thread 23 matching the reverse thread 19 , the bottom end of the damper body 4 is provided with a limit slot 15 , and the limit rod 20 is inserted into the limit slot 15 .

[0025] In this technical solution, the limiting cylinder 16 and the anti-dropping rod 22 are matched with each other by means of a threaded connection.

[0026] In some technical solutions, reference Figure 1-5 , a bearing seat 21 is installed at the bottom end of the anti-drop rod 22, and the bearing 17 is installed on the bearing seat 21;

[0027] In this technical solution, the bearing 17 is installed on the lower end of the anti-drop rod 22 through the bearing seat 21.

[0028] In some technical solutions, reference Figure 1-5 , an annular groove 14 is formed at the bottom end of the limit nut 13, and the ends of the three limit rods 20 are placed in the annular groove 14;

[0029] In this technical solution, the annular groove 14 is provided, and the three limiting rods 20 are rotated to implement the rotation of the limiting cylinder 16.

[0030] In some technical solutions, reference Figure 1-5 The bearing 17 includes a shaft seat a171 and a shaft seat b172 which are arranged opposite to each other. The two side walls of the shaft seat a171 and the shaft seat b172 are both installed with connecting plates 174. The two connecting plates 174 are connected by bolts. The rear side walls of the shaft seat a171 and the shaft seat b172 are both installed with fixing plates 173.

[0031] In this technical solution, the two shaft seats can be disassembled and assembled, which is convenient for assembly on the rotating shaft of the driving wheel 5.

[0032] In some technical solutions, reference Figure 1-5 The outer wall of the damper body 4 is provided with through holes 10 at even intervals, and a receiving block 8 is installed at the top of the fixed plate 7;

[0033] In this technical solution, when the piston moves downward inside the cavity, it is convenient to compress the air inside the cavity, and a plurality of micro-through holes 10 can hinder the discharge of air.

[0034] In some technical solutions, reference Figure 1-5 , a carrying plate 2 for assembling an explosion-proof robot is installed on the top of the receiving block 8;

[0035] In this technical solution, it is used to install an explosion-proof robot.

[0036] Working principle: During use, when the shock-absorbing spring 9 needs to be replaced, the bearing 17 can be removed, and then the anti-dropout rod 22 in the limit cylinder 16 can be screwed outward and removed, and then the limit cylinder 16 can be screwed outward and removed. At this time, the limit nut 13 loses its limiting force, and the limit nut 13 can be removed from the damper body 4, and then the damaged shock-absorbing spring 9 can be removed from the damper body 4, and a new shock-absorbing spring 9 can be installed on the damper body 4, and the limit nut 13, the limit cylinder 16 and the anti-dropout rod 22 can be installed again to complete the replacement of the shock-absorbing spring 9.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A shock-absorbing suspension for an explosion-proof robot, comprising an explosion-proof robot chassis (1) and a damper body (4), characterized in that: The top of the explosion-proof robot chassis (1) is provided with four rotating wheel grooves (3), each of which is equipped with a driving wheel (5), the bottom of the damper body (4) is equipped with a bearing (17), the bearing (17) is sleeved on the rotating shaft of the driving wheel (5), the inside of the damper body (4) is equipped with a piston rod (6), the top of the piston rod (6) is equipped with a fixed plate (7), the outside of the damper body (4) is equipped with a shock absorbing spring (9), the upper end of the shock absorbing spring (9) is connected to the fixed plate (7), and the lower end of the shock absorbing spring (9) is equipped with a limit ring (1 2), the limiting ring (12) is sleeved on the outside of the damper body (4), the lower end of the outer wall of the damper body (4) is provided with a limiting thread (11), the outer part of the damper body (4) is threaded with a limiting nut (13), the outer part of the damper body (4) is located at the lower end of the limiting nut (13) and a limiting cylinder (16) is sleeved on the outer part of the damper body (4), the outer wall of the limiting cylinder (16) is triangular and a limiting rod (20) is installed, the outer wall of the limiting rod (20) is provided with a spiral groove (18) matching the limiting thread (11), and the interior of the limiting cylinder (16) is plugged with an anti-slip rod (22).

2. The shock-absorbing suspension of an explosion-proof robot according to claim 1, characterized in that: The inner wall of the limit cylinder (16) is provided with a reverse thread (19), the outer wall of the anti-dropping rod (22) is provided with an external thread (23) matching the reverse thread (19), the bottom end of the damper body (4) is provided with a limit slot (15), and the limit rod (20) is inserted into the limit slot (15).

3. The shock-absorbing suspension of an explosion-proof robot according to claim 2, characterized in that: A bearing seat (21) is installed at the bottom end of the anti-drop rod (22), and the bearing (17) is installed on the bearing seat (21).

4. The shock-absorbing suspension of an explosion-proof robot according to claim 1, characterized in that: An annular groove (14) is provided at the bottom end of the limiting nut (13), and the ends of the three limiting rods (20) are placed in the annular groove (14).

5. The shock-absorbing suspension of an explosion-proof robot according to claim 1, characterized in that: The bearing (17) comprises a shaft seat a (171) and a shaft seat b (172) which are arranged opposite to each other, and both side walls of the shaft seat a (171) and the shaft seat b (172) are installed with connecting plates (174), and the two connecting plates (174) are connected by bolts, and both rear side walls of the shaft seat a (171) and the shaft seat b (172) are installed with fixing plates (173).

6. The shock-absorbing suspension of an explosion-proof robot according to claim 1, characterized in that: The outer wall of the damper body (4) is provided with through holes (10) at even intervals, and a receiving block (8) is installed at the top end of the fixing plate (7).

7. The shock-absorbing suspension of an explosion-proof robot according to claim 6, characterized in that: A carrying plate (2) for assembling an explosion-proof robot is installed on the top of the receiving block (8).

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