CN210338101U

CN210338101U - Tensioning structure of crawler robot chassis

Info

Publication number: CN210338101U
Application number: CN201921427372.7U
Authority: CN
Inventors: 邵俊; 施健
Original assignee: Wuxi Maisiwei Automation Technology Co Ltd
Current assignee: Wuxi Maisiwei Automation Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-17
Anticipated expiration: 2029-08-29

Abstract

The utility model belongs to the technical field of chassis straining device, especially, be a tensioning texture on track robot chassis, including the take-up pulley, the inside interlude of take-up pulley has the shaft, epaxial and being located and inserting between two take-up pulleys and being equipped with the wheel support, the outside that the both ends of shaft correspond two take-up pulleys is through the fastening of lock nut, the bottom of taking turns the support is connected with the connecting plate through the bolster, the bolster includes fixed connection pole, spring coupling seat, base, first spring, oblique spring support seat and second spring, the spring coupling seat passes through fixed connection pole and takes turns support fixed connection. The utility model discloses effectively improve the adaptivity of take-up pulley, simple, practical makes tracked robot chassis stability and reliability at the removal in-process obtain the guarantee, can realize the lift of take-up pulley fast, solves the problem that tracked robot chassis dragged easily when complicated topography is gone, has guaranteed the stability that the tensioning was adjusted and is implemented simultaneously.

Description

Tensioning structure of crawler robot chassis

Technical Field

The utility model relates to a chassis straining device technical field specifically is a tensioning texture on track robot chassis.

Background

The mobile chassis can be used on respective robots, such as a pipeline cleaning robot, a fire detection robot, an explosive detection robot and the like, and provides power for the traveling of the robots and also provides a position for the installation of some mechanical equipment.

However, the chassis of the traditional tracked robot is poor in self-adaptability and tensioning and adjusting performance, the phenomenon of belt release of the track is easily caused, and the stability and reliability in the moving process cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a tensioning texture on crawler robot chassis has solved the adaptability and the tensioning regulation performance on traditional crawler robot chassis relatively poor, and the phenomenon that the area was taken off to the track very easily appears, can not guarantee the problem at the stability and the reliability of removal in-process.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a tensioning structure of a crawler robot chassis comprises tensioning wheels, wherein wheel shafts are inserted in the tensioning wheels, wheel supports are inserted between the two tensioning wheels on the wheel shafts, two ends of each wheel shaft correspond to the outer sides of the two tensioning wheels and are fastened through locking nuts, the bottoms of the wheel supports are connected with connecting plates through buffering parts, each buffering part comprises a fixed connecting rod, a spring connecting seat, a base, a first spring, an inclined spring supporting seat and a second spring, the spring connecting seat is fixedly connected with the wheel supports through the fixed connecting rods, the middle part of one end, far away from the fixed connecting rods, of the spring connecting seat is fixedly connected with the base through the first spring, the base is fixedly arranged on the connecting plates through screws, the inclined spring supporting seats are uniformly distributed at the top of the base and correspond to the peripheral position of the first spring, the bottoms of the spring connecting seats are connected with the inclined spring supporting seats through the second spring corresponding to the peripheral position, the utility model discloses a screw rod bearing, including connecting plate, adjusting screw, auxiliary plate, screw guide sleeve, movable connecting rod and slider, the below of connecting plate is equipped with auxiliary plate, the bottom meso position of connecting plate is connected with adjusting screw through screw bearing, auxiliary plate's middle part be equipped with adjusting screw spiral complex screw guide pin bushing, auxiliary plate's top is equipped with the spout that uses screw guide pin bushing as the radial equipartition in center, sliding fit has the slider on the spout, screw bearing's surface cover is equipped with the adapter sleeve, the adapter sleeve passes through movable connecting rod and the top swing joint of slider, it has.

As an optimal technical scheme of the utility model, be equipped with the gasket between take-up pulley and the lock nut.

As an optimized technical scheme of the utility model, the wheel support is the U type.

As an optimal technical scheme of the utility model, it is equipped with the inclined plane that is used for connecting the second spring to correspond on oblique spring supporting seat and the spring coupling seat, the inclination of second spring is 45.

As an optimal technical scheme of the utility model, all insert between two adjacent spouts and be equipped with a guide arm, guide arm and adjusting screw parallel arrangement.

(III) advantageous effects

Compared with the prior art, the utility model provides a tensioning texture on tracked robot chassis possesses following beneficial effect:

1. this tensioning texture on tracked robot chassis through the setting of bolster, effectively improves the adaptability of take-up pulley, and is simple, practical, makes tracked robot chassis stability and reliability at the removal in-process obtain the guarantee.

2. This tensioning structure on track robot chassis directly carries out altitude mixture control from top to bottom through adjusting the screw to the take-up pulley, can realize the lift of take-up pulley fast, solves the problem that track robot chassis drags easily when complicated topography is gone, simultaneously, sets up through the cooperation of adapter sleeve, movable connecting rod, spout and slider, and at the in-process that the take-up pulley goes up and down, drives the slider simultaneously and is sharp back and forth movement along the spout, has guaranteed the stability that the tensioning was adjusted and is implemented.

Drawings

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

fig. 2 is a schematic structural view of the buffer member of the present invention;

fig. 3 is a top view of the middle auxiliary plate of the present invention.

In the figure: 1. a tension wheel; 2. a wheel axle; 3. a wheel support; 4. a connecting plate; 5. a buffer member; 501. a fixed connecting rod; 502. a spring connecting seat; 503. a base; 504. a first spring; 505. an inclined spring supporting seat; 506. a second spring; 6. an auxiliary plate; 7. adjusting the screw rod; 8. a screw bearing; 9. a screw guide sleeve; 10. a chute; 11. a slider; 12. connecting sleeves; 13. a movable connecting rod; 14. a guide bar; 15. and locking the nut.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a tensioning structure of a crawler robot chassis comprises tensioning wheels 1, wheel shafts 2 are inserted into the tensioning wheels 1, wheel supports 3 are inserted between the two tensioning wheels 1 on the wheel shafts 2, two ends of each wheel shaft 2 are fastened through locking nuts 15 corresponding to the outer sides of the two tensioning wheels 1, the bottoms of the wheel supports 3 are connected with connecting plates 4 through buffering parts 5, each buffering part 5 comprises a fixed connecting rod 501, a spring connecting seat 502, a base 503, a first spring 504, an inclined spring supporting seat 505 and a second spring 506, the spring connecting seat 502 is fixedly connected with the wheel supports 3 through the fixed connecting rod 501, the middle part of one end, far away from the fixed connecting rod 501, of the spring connecting seat 502 is fixedly connected with the base 503 through the first spring 504, the base 503 is fixedly installed on the connecting plates 4 through screws, the inclined spring supporting seats 505 are uniformly distributed at the top of the base 503 and correspond to the peripheral positions of, the bottom of the spring connecting seat 502 is connected with an inclined spring supporting seat 505 through a second spring 506 corresponding to the peripheral position of a first spring 504, an auxiliary plate 6 is arranged below the connecting plate 4, the middle position of the bottom of the connecting plate 4 is connected with an adjusting screw 7 through a screw bearing 8, a screw guide sleeve 9 in spiral fit with the adjusting screw 7 is arranged in the middle of the auxiliary plate 6, sliding grooves 10 radially and uniformly distributed by taking the screw guide sleeve 9 as the center are formed in the top of the auxiliary plate 6, sliding blocks 11 are in sliding fit on the sliding grooves 10, a connecting sleeve 12 is sleeved on the outer surface of the screw bearing 8, the connecting sleeve 12 is movably connected with the tops of the sliding blocks 11 through movable connecting rods 13, and guide rods 14 penetrate between the connecting.

In the embodiment, the number of the buffer parts 5 is a plurality, the buffer parts 5 are arranged in a central symmetry manner corresponding to the connecting plate 4, the stress on the connecting plate 4 can be more uniform by the arrangement, and the stability and the reliability of the elastic support of the buffer parts 5 are improved; the guide rod 14 is in sliding fit with the auxiliary plate 6, the auxiliary plate 6 is provided with a through hole matched with the guide rod 14, and when the tensioning wheel 1 is adjusted through the adjusting screw 7, the guide rod 14 is in sliding fit with the auxiliary plate 6, so that the tensioning wheel 1 is stably lifted; in order to provide a better damping effect during the tensioning adjustment, a connecting spring connected to the sliding block 11 can be arranged on the sliding groove 10, it being noted that the connecting spring is arranged coaxially with the sliding groove 10.

Specifically, a gasket is arranged between the tension wheel 1 and the lock nut 15.

In this embodiment, the gasket can be the copper sheathing, makes take-up pulley 1 rotate through the copper sheathing, and lock nut 15 locks the back, realizes spacing to take-up pulley 1.

Specifically, the wheel holder 3 is U-shaped.

In this embodiment, adopt U type wheel support 3, make connection structure more reasonable, play the effect of stable support.

Specifically, inclined planes for connecting the second spring 506 are correspondingly arranged on the inclined spring support seat 505 and the spring connection seat 502, and the inclination angle of the second spring 506 is 45 °.

In this embodiment, adopt inclined plane supporting spring, effectively prevent that the spring atress is inhomogeneous to lead to the spring to take place to deform to the horizontal position that makes the take-up pulley takes place to squint, slope.

Specifically, a guide rod 14 is inserted between two adjacent sliding grooves 10, and the guide rod 14 is parallel to the adjusting screw 7.

In this embodiment, the guide rod 14 is arranged in parallel with the adjusting screw 7, so that the reliability of the structure is ensured, the up-and-down lifting of the tension pulley 1 is realized through the rotation of the adjusting screw 7, and the guide rod 14 plays a role in stable guiding.

The utility model discloses a theory of operation and use flow: when the tracked robot runs on a complex terrain, the buffer member 5 plays a self-adaptive damping role in the bumping process, namely the terrain adaptability of the tracked swing arm robot is improved by utilizing the elastic damping effect of the first spring 504 and the second spring 506, and the normal and stable running of the tracked swing arm robot is ensured; when an obstacle is encountered, the adjusting screw 7 is rotated, and the connecting plate 4, the buffer piece 5, the wheel bracket 3 and the tensioning wheel 1 are driven to lift through the rotation of the adjusting screw 7, so that the obstacle can be conveniently crossed, the problem that the chassis of the crawler robot is easy to drag when running in a complex way is solved, and meanwhile, the connecting plate 4 is lifted to drive the connecting sleeve 12 to lift, so that the movable connecting rod 13 drives the sliding block 11 to do linear reciprocating motion along the sliding groove 10, and the stability of tensioning adjustment implementation is further improved; when needing to climb and reducing the center of the chassis, the rotating operation is carried out only in the opposite direction of the rotation of the adjusting screw 7 when meeting the obstacle, thereby achieving the purpose of reducing the center of gravity by reducing the height of the chassis and improving the stability of climbing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tensioning texture of track robot chassis, includes take-up pulley (1), its characterized in that: the wheel shaft (2) is inserted into the tensioning wheels (1), the wheel shaft (2) is positioned between the two tensioning wheels (1), the wheel support (3) is inserted between the two tensioning wheels (1), two ends of the wheel shaft (2) correspond to the outer sides of the two tensioning wheels (1) and are fastened through locking nuts (15), the bottom of the wheel support (3) is connected with a connecting plate (4) through a buffer piece (5), the buffer piece (5) comprises a fixed connecting rod (501), a spring connecting seat (502), a base (503), a first spring (504), an inclined spring supporting seat (505) and a second spring (506), the spring connecting seat (502) is fixedly connected with the wheel support (3) through the fixed connecting rod (501), the middle part of one end, far away from the fixed connecting rod (501), of the spring connecting seat (502) is fixedly connected with the base (503) through the first spring (504), and the base (503) is fixedly installed on the connecting plate (4) through a, the inclined spring support seat (505) is uniformly distributed at the top of the base (503) corresponding to the peripheral position of the first spring (504), the bottom of the spring connection seat (502) corresponding to the peripheral position of the first spring (504) is connected with the inclined spring support seat (505) through the second spring (506), an auxiliary plate (6) is arranged below the connecting plate (4), the middle position of the bottom of the connecting plate (4) is connected with an adjusting screw (7) through a screw bearing (8), a screw guide sleeve (9) in spiral fit with the adjusting screw (7) is arranged in the middle of the auxiliary plate (6), a sliding groove (10) radially and uniformly distributed by taking the screw guide sleeve (9) as the center is arranged at the top of the auxiliary plate (6), a sliding block (11) is in sliding fit on the sliding groove (10), a connecting sleeve (12) is sleeved on the outer surface of the screw bearing (8), and the connecting sleeve (12) is movably connected with the top of the sliding block (11) through a movable, a guide rod (14) penetrates between the connecting plate (4) and the auxiliary plate (6).

2. The tensioning structure of a tracked robot chassis according to claim 1, wherein: and a gasket is arranged between the tensioning wheel (1) and the locking nut (15).

3. The tensioning structure of a tracked robot chassis according to claim 1, wherein: the wheel bracket (3) is U-shaped.

4. The tensioning structure of a tracked robot chassis according to claim 1, wherein: inclined planes used for connecting a second spring (506) are correspondingly arranged on the inclined spring supporting seat (505) and the spring connecting seat (502), and the inclination angle of the second spring (506) is 45 degrees.

5. The tensioning structure of a tracked robot chassis according to claim 1, wherein: a guide rod (14) is inserted between every two adjacent sliding grooves (10), and the guide rods (14) are arranged in parallel with the adjusting screw rods (7).