CN214028904U

CN214028904U - Wheel hub damping mechanism of crawler wheel

Info

Publication number: CN214028904U
Application number: CN202023308325.6U
Authority: CN
Inventors: 郭建
Original assignee: Chongqing Light Footprint Electronics Co ltd
Current assignee: Chongqing Light Footprint Electronics Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-24
Anticipated expiration: 2030-12-30

Abstract

This scheme provides a wheel hub damper of athey wheel, includes: the damping device comprises a front damping mechanism, a middle damping mechanism and a rear damping mechanism; the front shock absorption mechanism is provided with two groups of first pulleys and a first group of brackets for fixing the two groups of first pulleys on a side plate of the robot, and a front spring damper is arranged in the first group of brackets; the middle-mounted damping mechanism is provided with four groups of second pulleys and a second group of brackets for fixing the four groups of second pulleys on a side plate of the robot, and a middle-mounted spring damper is arranged in the second group of brackets; the rear shock absorption mechanism is provided with two groups of third pulleys, a driving wheel and a third group of brackets for fixing the two groups of third pulleys and the driving wheel on a side plate of the robot, and a rear spring damper is arranged in the third group of brackets; each spring damper includes: a connecting rod; a spring sleeved on the connecting rod; a baffle and a nut fixed on the connecting rod; the spring is limited between the nut and the stop piece.

Description

Wheel hub damping mechanism of crawler wheel

Technical Field

The utility model relates to a tracked vehicle wheel hub damper's structural design.

Background

The tracked vehicle mostly runs on a rugged road, the stability of work is affected by the jolt of a vehicle body, and the service life of the vehicle is shortened, so a damping mechanism must be additionally arranged on a hub. The existing damping mechanism is high in manufacturing cost, complex in structure, difficult to assemble and disassemble and inconvenient to install and maintain, so that the overall working efficiency of the crawler equipment is greatly influenced, and the existing production work is difficult to meet.

SUMMERY OF THE UTILITY MODEL

This technical scheme provides a wheel hub damper of athey wheel, and the problem that solve adopts simple efficient damper to replace current complicated design.

The technical scheme of the utility model is that:

the embodiment provides a wheel hub damper of athey wheel, includes:

a front shock absorbing mechanism disposed in a front region of the track, a middle shock absorbing mechanism disposed in a middle region of the track, and a rear shock absorbing mechanism disposed in a rear region of the track;

the front shock absorption mechanism is provided with two groups of first pulleys and a first group of brackets for fixing the two groups of first pulleys on a side plate of the robot, and a front spring damper is arranged in the first group of brackets;

the middle-mounted damping mechanism is provided with four groups of second pulleys and a second group of brackets for fixing the four groups of second pulleys on a side plate of the robot, and a middle-mounted spring damper is arranged in the second group of brackets;

the rear shock absorption mechanism is provided with two groups of third pulleys, a driving wheel and a third group of brackets for fixing the two groups of third pulleys and the driving wheel on a side plate of the robot, and a rear spring damper is arranged in the third group of brackets;

wherein, leading spring damper, put spring damper and rearmounted spring damper all include: a connecting rod; the spring is sleeved on the connecting rod; the blocking piece is fixed on the connecting rod, and the nut is screwed on the connecting rod; the spring is limited between the nut and the blocking piece.

Preferably, the first set of brackets comprises: the shock absorber comprises a first bracket, a second bracket, a first double-shock-absorber bracket and a supporting frame;

two ends of the first bracket are respectively connected with a group of first pulleys;

the middle part of the first bracket is fixed on the second bracket;

the second support is fixed on a side plate of the explosive-handling robot through the support frame;

one end of each of the two groups of front spring dampers is fixed on the second support, and the other end of each of the two groups of front spring dampers is fixed on the first double-shock-absorber support; the first double-shock-absorber support is fixed on a side plate of the explosive-handling robot.

Preferably, the second set of brackets comprises:

the left bracket comprises a first left bracket, a second left bracket, a first right bracket and a second right bracket;

two groups of second left-side pulleys on the left side in the four groups of second pulleys are respectively connected to two ends of the first left support; two groups of second right-side pulleys on the right side in the four groups of second pulleys are respectively connected to two ends of the second right support;

the first left support is connected with the second left support, and the first right support is connected with the second right support; the second left support and the first right support are fixed on a robot side plate;

one end of each of the two sets of middle spring dampers is fixed on the second left support, and the other end of each of the two sets of middle spring dampers is fixed on the first right support.

Preferably, the third set of brackets comprises:

a third bracket and a second dual shock absorber bracket; two ends of the third support are respectively connected with a group of third pulleys; the driving wheel is connected with the third bracket;

one end of each of the two groups of rear spring dampers is fixed on the third support, and the other end of each of the two groups of rear spring dampers is fixed on the second double-shock-absorber support; and the second double-shock-absorber bracket is fixed on the robot side plate.

The utility model has the advantages that:

three sections of damping mechanisms are arranged at the front, middle and rear positions of the track, so that impact force applied to the tracked robot during running can be uniformly dispersed and weakened.

Drawings

FIG. 1 is a schematic view of the entire shock absorbing mechanism;

FIG. 2 is a schematic view of a front shock absorbing mechanism;

FIG. 3 is a schematic view of a centrally located shock absorbing mechanism;

FIG. 4 is a rear shock absorption schematic view;

FIG. 5 is a schematic view of a spring damper;

description of reference numerals:

1. a front shock absorbing mechanism; 2. a damping mechanism is arranged in the middle; 3. a rear shock absorption mechanism; 4. a first pulley; 5. a first bracket; 6. a needle bearing; 7. a second bracket; 8. a front spring damper; 9. a first dual shock absorber mount; 10. a support frame; 11. a second left pulley; 12. a first left bracket; 13. a first position; 14. a second left bracket; 15. a spring damper is arranged in the middle; 16. a first right bracket; 17. a second right bracket; 18. a second position; 19. a second right side pulley; 20. a third position; 21. a third pulley; 22. a third support; 23. a second dual shock absorber bracket; 24. a rear spring damper; 25. a drive wheel; 26. a nut; 27. a spring; 28. a connecting rod; 29. a baffle plate.

Detailed Description

Referring to fig. 1 to 5, the present embodiment provides a hub damping mechanism for a track wheel, which adopts a three-stage spring damping design and includes a front damping mechanism 1, a middle damping mechanism 2 and a rear damping mechanism 3.

As shown in fig. 2, the front damping mechanism 1 has two sets of first pulleys 4, and the two sets of first pulleys 4 are mutually fixed on a first bracket 5 through a shaft, a bearing, a screw and the like; the first bracket 5 and the second bracket 7 are connected and fixed through a needle bearing 6; two ends of the two groups of front spring dampers 8 are respectively fixed on the second support 7 and the first double-damper support 9, and one end of the support frame 10 is fixed with the second support 7 through a shaft, a bearing, a screw and the like. The whole front shock absorption mechanism 1 is fixed on a side plate of the explosive ordnance disposal robot through a first double shock absorber bracket 9 and a support frame 10 by screws.

As shown in fig. 3, the middle damping mechanism 2 has four sets of pulleys. Two sets of second left pulleys 11 on the left are fixed on a first left bracket 12 through a shaft, a bearing, a screw and the like, and the first left bracket 12 and a second left bracket 14 are fixed through a composite bushing, a connecting shaft, a shaft cover and the like at a first position 13. Two sets of second right side pulleys 19 on the right side are fixed to the second right bracket 17 by means of shafts, bearings, screws and the like, and the first right bracket 16 and the second right bracket 17 are fixed by means of composite bushes, connecting shafts, shaft covers and the like at the second positions 18. The second left bracket 14 and the first right bracket 16 are fixed to the robot side plates by bushings, shafts, etc. at a third location 20. Two sets of middle spring dampers 15 are arranged between the second left bracket 14 and the first right bracket 16.

Referring to fig. 4, the rear damper mechanism 3 has two sets of pulleys 21. Two sets of third pulleys 21 are fixed to both ends of the third bracket 22 by a shaft, a bearing, a screw, and the like, and both ends of two sets of rear spring dampers 24 are fixed to the third bracket 22 and the second dual damper bracket 23, respectively. The second double shock absorber bracket 23 is fixed to the robot side plate by screws. The driving wheel 25 is connected with the third bracket 22 through a bearing and a shaft.

Referring to fig. 5, in the whole damping mechanism of this embodiment, the specific structures of the front spring damper 8, the middle spring damper 15, and the rear spring damper 24 are: a connecting rod 28; a spring 27 sleeved on the connecting rod 28; a stop plate 29 fixed on the connecting rod 28 and a nut 26 screwed on the connecting rod 28. The spring 27 is limited between the nut 26 and the baffle 29, and the tension of the spring 27 is adjusted by adjusting the tightness degree between the nut 26 and the connecting rod 28.

The mechanism of the embodiment is simple in structure and convenient to disassemble and assemble, and can weaken the uniform dispersion of impact force applied to the tracked robot during running by arranging the three sections of damping mechanisms at the front, middle and rear positions of the track 30.

Claims

1. A wheel hub damper of a track wheel, comprising:

a front shock absorbing mechanism (1) arranged in a front area of the crawler, a middle shock absorbing mechanism (2) arranged in a middle area of the crawler, and a rear shock absorbing mechanism (3) arranged in a rear area of the crawler;

the front shock absorption mechanism (1) is provided with two groups of first pulleys (4) and a first group of brackets for fixing the two groups of first pulleys (4) on a side plate of the robot, and a front spring damper (8) is arranged in the first group of brackets;

the middle-mounted damping mechanism (2) is provided with four groups of second pulleys and a second group of brackets for fixing the four groups of second pulleys on a side plate of the robot, and a middle-mounted spring damper (15) is arranged in the second group of brackets;

the rear shock absorption mechanism (3) is provided with two groups of third pulleys (21), a driving wheel (25) and a third group of brackets for fixing the two groups of third pulleys (21) and the driving wheel (25) on a side plate of the robot, and a rear spring damper (24) is arranged in the third group of brackets;

wherein the front spring damper (8), the middle spring damper (15) and the rear spring damper (24) each comprise: a connecting rod (28); a spring (27) sleeved on the connecting rod (28); a baffle plate (29) fixed on the connecting rod (28) and a nut (26) screwed on the connecting rod (28); the spring (27) is limited between the nut (26) and the stop piece (29).

2. The mechanism of claim 1, wherein the first set of brackets comprises: the shock absorber comprises a first bracket (5), a second bracket (7), a first double shock absorber bracket (9) and a support frame (10);

two ends of the first bracket (5) are respectively connected with a group of first pulleys (4);

the middle part of the first bracket (5) is fixed on the second bracket (7);

the second support (7) is fixed on a side plate of the explosive-handling robot through the support frame (10);

one end of each of the two groups of front spring dampers (8) is fixed on the second support (7), and the other end of each of the two groups of front spring dampers is fixed on the first double-shock-absorber support (9); and the first double-shock-absorber bracket (9) is fixed on a side plate of the explosive-handling robot.

3. The mechanism of claim 1, wherein the second set of brackets comprises:

a first left bracket (12), a second left bracket (14), a first right bracket (16) and a second right bracket (17);

two groups of second left-side pulleys (11) positioned on the left side in the four groups of second pulleys are respectively connected to two ends of the first left bracket (12); two groups of second right-side pulleys (19) positioned on the right side in the four groups of second pulleys are respectively connected to two ends of the second right bracket (17);

the first left bracket (12) is connected with the second left bracket (14), and the first right bracket (16) is connected with the second right bracket (17); the second left bracket (14) and the first right bracket (16) are fixed on a robot side plate;

one end of each of the two groups of middle spring dampers (15) is fixed on the second left support (14), and the other end of each of the two groups of middle spring dampers is fixed on the first right support (16).

4. The mechanism of claim 1, wherein the third set of brackets comprises:

a third bracket (22) and a second dual shock absorber bracket (23); two ends of the third bracket (22) are respectively connected with a group of third pulleys (21); the driving wheel (25) is connected with the third bracket (22);

one end of each of the two groups of rear spring dampers (24) is fixed on the third bracket (22), and the other end of each of the two groups of rear spring dampers is fixed on the second double-shock-absorber bracket (23); and the second double-shock-absorber bracket (23) is fixed on a robot side plate.