CN218228557U

CN218228557U - Trackless vehicle bottom shock-absorbing structure

Info

Publication number: CN218228557U
Application number: CN202222583244.XU
Authority: CN
Inventors: 孙国忠; 杨建伟; 王福豪
Original assignee: Hangzhou Haosheng Electric Vehicles Co ltd
Current assignee: Hangzhou Haosheng Electric Vehicles Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-06
Anticipated expiration: 2032-09-28

Abstract

The application relates to the technical field of steering wheel transmission, in particular to a trackless vehicle bottom damping structure which comprises a frame, a driving wheel rotationally arranged on the frame, a first driving source fixedly arranged on the frame and a second driving source; the supporting piece comprises a first sleeve and a second sleeve, the first sleeve is fixedly connected to the top plate, the second sleeve is fixedly connected to the bottom plate, and a plurality of springs used for being abutted to the top plate are arranged on the bottom plate. Through being provided with support piece and spring between bottom plate and roof, realized when the driving wheel pressed the slope, the roof pushed first sleeve pipe to remove to the direction that is close to the bottom plate along the second sleeve pipe under the pressure effect of its automobile body to this reduces the driving wheel and marchs the pressure that driving wheel part can receive when the slope, and the pressure that ensures that the driving wheel is whole to receive is in under the relatively even state.

Description

Trackless vehicle bottom shock-absorbing structure

Technical Field

The application relates to the technical field of steering wheel transmission, in particular to a trackless vehicle bottom damping structure.

Background

At present, can be provided with damping structure between automobile body and the wheel usually, conventional damping structure is as shown in fig. 1 for the bridge type damping, and the bridge type damping includes connecting portion 1 and lower connecting portion 2, and the one end of going up connecting portion 1 is rotated with the one end of lower connecting portion 2 and is connected, has supported spring 3 between the other end between the two to constitute bridge type damping, simple structure, simple to operate.

However, when the wheel with the bridge type vibration damping is pressed to a slope, the spring pressure between the upper connecting part and the lower connecting part is changed, and the pressure between the upper connecting part and the lower connecting part is changed, because the upper connecting part 1 is connected with the vehicle body, the vehicle body is not greatly influenced by the pressure, but the wheel connected with the lower connecting part 2 is greatly influenced to incline, and the service life of the wheel in the inclined state is reduced due to unbalanced stress.

SUMMERY OF THE UTILITY MODEL

In order to reduce the pressure on the wheel part when the wheels travel on a slope, the application provides a trackless vehicle bottom damping structure.

The utility model provides a trackless car bottom shock-absorbing structure, includes the frame, rotates the drive wheel that sets up on the frame, fixes to set up and be used for driving the drive wheel along its axial direction pivoted first driving source and fix and set up and be used for driving the drive wheel along its radial direction pivoted second driving source on the frame, still includes bottom plate, roof and a plurality of support piece, the bottom plate rotates and sets up on the frame, the roof sets up in the top of bottom plate, support piece includes first sleeve pipe and second sleeve pipe, first sleeve pipe fixed connection is on the roof, the second sleeve pipe is fixed on the bottom plate, first sleeve pipe is located outside the second sleeve pipe and is slided and set up, be provided with a plurality of springs that are used for butt in the roof on the bottom plate.

By adopting the technical scheme, when the device is used, the first driving source drives the driving wheel to rotate along the axial direction of the driving wheel, so that the driving wheel can move in distance; the second driving source drives the driving wheel to rotate along the radial direction of the driving wheel, so that the driving wheel is driven to steer. When the top plate is installed, the top plate is installed below the vehicle body, when the driving wheel presses a slope, the top plate pushes the first sleeve to move towards the direction close to the bottom plate along the second sleeve under the pressure action of the vehicle body, and the spring is extruded in the moving process of the top plate, so that the vibration reduction of the vehicle body is formed, in the moving process of the top plate, the whole top surface of the top plate can move, the pressure on the part of the driving wheel when the driving wheel runs on the slope is reduced, and the pressure received by the whole driving wheel is ensured to be in a relatively even state.

In some embodiments, the plurality of springs correspond to the plurality of supporting members one by one, and the springs are sleeved outside the supporting members.

Through adopting above-mentioned technical scheme, locate support piece with the spring housing in to the spring can move along support piece's axial direction in compression process, and support piece still can provide the guide for the removal of spring, thereby the guarantee spring can not form the dislocation because of the compression, leads to the spring to exceed elastic limit.

In some embodiments, the inner sleeve is fixedly connected to the bottom plate, the support is arranged in the inner sleeve, and the inner sleeve is positioned below the top plate with a gap therebetween.

Through adopting above-mentioned technical scheme, when the roof bears pressure, the roof moves towards the direction in the bottom plate under the effect of pressure to the roof butt before reaching the elasticity limit of spring is on interior sleeve pipe, thereby utilizes interior sleeve pipe to provide the support, improves support strength, reduces and receives the condition of harm because of too big support piece of pressure and spring.

In some embodiments, the outer sleeve is fixedly connected to the top plate, the outer sleeve is located below the top plate and used for abutting against the bottom plate, the support is arranged in the outer sleeve, and a gap is formed between the top plate and the bottom plate.

Through adopting above-mentioned technical scheme, when the roof bore pressure, the roof drives the outer tube under the effect of pressure and moves towards the direction in the bottom plate to outer tube butt is on the bottom plate between the elasticity limit that reaches the spring, thereby utilizes the outer tube to provide the support, improves support strength, reduces because of the too big support piece of pressure and the condition that the spring received the harm.

In some embodiments, the support device further comprises an inner sleeve and an outer sleeve, the inner sleeve is fixedly connected to the bottom plate and sleeved outside the plurality of supports, the outer sleeve is fixedly connected to the top plate and sleeved outside the inner sleeve, and the outer sleeve is relatively slidably disposed on the inner sleeve.

Through adopting above-mentioned technical scheme, when the roof bears pressure, the roof drives the outer tube under the effect of pressure and moves towards the direction in the bottom plate to at the guide removal of removal in-process along interior sleeve pipe, thereby guarantee the stability of roof in the removal in-process. And after the top plate is moved, one end of the outer sleeve, which is far away from the top plate, abuts against the bottom plate, and one end of the inner sleeve, which is far away from the bottom plate, abuts against the top plate, so that the supporting strength is further provided.

In some embodiments, the inner sleeve is provided with a sliding groove with an opening facing the outer sleeve, the outer sleeve is connected with a limit pin along a radial thread thereof, and the limit pin is slidably arranged in the sliding groove along an axial direction of the inner sleeve.

Through adopting above-mentioned technical scheme, when the roof drove the outer tube and slides, the spacer pin can be relative remove along the spout, guarantee roof stability at the removal in-process.

In some embodiments, the inner sleeve is provided with a caulking groove with an opening facing the outer sleeve, the outer sleeve is provided with a through groove corresponding to the caulking groove in a penetrating manner, and a flat key is clamped in the caulking groove and slides along with the movement of the outer sleeve to be relatively slid and is arranged in the through groove.

Through adopting above-mentioned technical scheme, when the roof drove the outer tube and slides, the parallel key can be relative slides along leading to the groove to this restriction roof and outer tube remove along interior sheathed tube circumferential direction, ensure the stability of roof in the removal process.

In some embodiments, one end of the first sleeve facing the top plate penetrates through the outer sleeve and the top plate, the first sleeve is connected with a tightening nut in a threaded mode, and the tightening nut abuts against one side, facing away from the inner sleeve, of the top plate.

By adopting the technical scheme, after the first sleeve penetrates through the outer sleeve and the top plate and is connected with the top plate by the abutting nut, the abutting nut abuts against the top plate, and therefore the connection relation between the bottom plate and the outer sleeve is increased.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this scheme is through being provided with support piece and spring between bottom plate and roof, has realized that when the driving wheel pressed the slope, the roof promoted first sleeve pipe to remove to the direction that is close to the bottom plate along the second sleeve pipe under the pressure effect of its automobile body to because the roof supports first sleeve pipe top, thereby the roof can horizontal migration under the pressure effect, go forward the pressure that the driving wheel part can receive when the slope with this reduction driving wheel, the whole pressure of accepting of guarantee driving wheel is in under the relatively average state.

2. This scheme is through connecting first sleeve with supporting tight nut, has realized that first sleeve passes outer tube and roof after, utilizes to support tight nut and connect the back, supports tight nut and supports tightly again on the roof to increase the relation of connection between bottom plate and the outer tube.

Drawings

FIG. 1 is a schematic structural diagram of a related art in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application;

fig. 3 is a schematic structural diagram of another view angle in the embodiment of the present application.

Description of reference numerals: 1. an upper connecting portion; 2. a lower connecting portion; 3. a spring; 100. a frame; 110. a drive wheel; 210. a first drive source; 220. a second drive source; 230. a guide gear; 240. fixing a gear; 250. positioning a plate; 310. a base plate; 320. a top plate; 330. an outer sleeve; 340. an inner sleeve; 350. a first sleeve; 360. a second sleeve; 370. a spring; 380. tightly abutting the nut; 410. caulking grooves; 420. a through groove; 430. a flat bond; 440. a thread groove; 450. a spacing pin; 460. a limiting groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses trackless vehicle bottom shock-absorbing structure.

Referring to fig. 2 and 3, a trackless vehicle bottom damping structure includes a frame 100, a driving wheel 110 mounted on the frame 100, and a driving assembly for driving the driving wheel 110 to move. The driving wheel 110 is rotatably disposed on the frame 100, and a central axis of the driving wheel 110 is horizontally disposed. The end of the frame 100 facing away from the drive wheel 110 is provided with a support assembly.

Referring to fig. 2 and 3, the frame 100 is provided with a circular plate and two parallel connection plates connected to the plate with a gap therebetween. The driving assembly comprises a first driving source 210, the first driving source 210 is a first stepping motor, the first stepping motor is fixedly connected to the side wall of the connecting plate, an output shaft of the first motor is horizontally arranged and coaxially and fixedly connected with the driving wheel 110, and the driving wheel 110 is arranged between the two connecting plates.

Referring to fig. 2 and 3, the driving assembly further includes a second driving source 220, a fixed gear 240, and a guide gear 230, the fixed gear 240 being fixedly coupled to the supporting assembly and installed above the disk. A rotating shaft is fixedly connected to one side of the disk facing the fixed gear 240, the rotating shaft and the fixed gear 240 are coaxially arranged, and the rotating shaft is rotatably disposed on the fixed gear 240.

The second driving source 220 is a second stepping motor, which is fixedly connected to the side wall of the connecting plate, and an output shaft of the second stepping motor is vertically arranged and penetrates through the disc. The guide gear 230 is fixedly connected to an output shaft of the motor, and the guide gear 230 is disposed at a side of the disk facing away from the connecting plate and is engaged with the fixed gear 240.

When the first stepping motor is started, the first stepping motor drives the driving wheel 110 to rotate, so that the driving wheel 110 carries the vehicle frame 100, the supporting component and other equipment to move. When the second stepping motor is activated, the second stepping motor rotates the guide gear 230, and the guide gear 230 rotates around the fixed gear 240 in a circumferential direction by engaging with the fixed gear 240, thereby rotating the frame 100 about the rotation axis, thereby completing the steering of the driving wheel 110.

Referring to fig. 2 and 3, a support assembly base plate 310 and a plurality of support members, a positioning plate 250 is fixedly connected to a side of the fixed gear 240 facing away from the frame 100, and the base plate 310 is fixedly connected to a side of the positioning plate 250 facing away from the fixed gear 240. A plurality of supporters are installed on the base plate 310, and the plurality of supporters are uniformly disposed on the base plate 310 along a circumferential direction of the fixed gear 240.

In the present embodiment, the bottom plate 310 and the fixed gear 240 are fixedly connected by a hexagon bolt, and the bottom plate 310 and the positioning plate 250 are also fixedly connected by a hexagon bolt.

Referring to fig. 2 and 3, the support assembly further includes an inner sleeve 340 and an outer sleeve 330, the inner sleeve 340 is fixedly connected to the base plate 310, and the inner portion of the inner sleeve 340 is a through-going inner cavity, i.e. a plurality of supports are disposed inside the inner sleeve 340. The outer sleeve 330 is a lumen open at one end. The outer sleeve 330 is sleeved on the inner sleeve 340 from the side of the inner sleeve 340 opposite to the bottom plate 310.

Referring to fig. 2 and 3, the support member includes a first sleeve 350 and a second sleeve 360, the first sleeve 350 is vertically disposed, that is, one end of the first sleeve 350 is disposed on the outer sleeve 330, and the other end of the first sleeve 350 faces the bottom plate 310. One end of the second sleeve 360 is clamped on the bottom plate 310, and one end of the second sleeve 360 corresponds to the first sleeve 350, that is, the first sleeve 350 is sleeved inside the second sleeve 360.

Referring to fig. 2 and 3, the support assembly further includes a top plate 320 and a jam nut 380, the top plate 320 being mounted to an end of the outer sleeve 330 remote from the inner sleeve 340. One end of the first sleeve 350 facing the outer sleeve 330 sequentially passes through the outer sleeve 330 and the top plate 320 and is screwed with the tightening nut 380, i.e. the tightening nut 380 is screwed on the top plate 320 and then is pressed against the top plate 320.

In this embodiment, the top plate 320 and the outer sleeve 330 are welded and fixed, and a plurality of hex bolts are screwed to a side wall of the top plate 320 facing away from the outer sleeve 330.

Referring to fig. 2 and 3, the supporting assembly further includes a plurality of springs 370 corresponding to the supporting member, and the springs 370 are correspondingly sleeved on the supporting member. The spring 370 is sleeved outside the first sleeve 350 and the second sleeve 360, one end of the spring 370 abuts against the bottom surface of the inner cavity of the outer sleeve 330, and the other end of the spring 370 abuts against the bottom plate 310.

In the embodiment, the outer sleeve 330 makes a distance between one end of the outer sleeve 330 facing the bottom plate 310 and the bottom plate 310 by the spring 370, and a distance also exists between the first sleeve 350 and the bottom plate 310, so that when the top plate 320 bears pressure and pushes the outer sleeve 330 to abut against the bottom plate 310, the first sleeve 350 just abuts against the bottom plate 310.

Referring to fig. 2 and 3, the support assembly further includes two flat keys 430 and two limit pins 450, and the circumferential outer side wall of the inner sleeve 340 is opened with a caulking groove 410 facing the outer sleeve 330. The outer sleeve 330 defines a through slot 420 corresponding to the caulking slot 410. The flat key 430 is clamped in the insertion groove 410, and when the outer sleeve 330 slides, the flat key 430 slides relatively along the through groove 420, so that the outer sleeve 330 is limited in the circumferential direction.

The outer tube 330 has a threaded groove 440 formed therethrough along a radial direction, the inner tube 340 has a sliding groove 460 opened toward the threaded groove 440, the limit pin 450 is threaded with the outer tube 330 through the threaded groove 440, and the limit pin 450 slides in the side wall of the sliding groove 460.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a trackless car bottom shock-absorbing structure, includes frame (100), rotates drive wheel (110) that sets up on frame (100), fixedly sets up and is used for driving drive wheel (110) on frame (100) along its axial direction pivoted first driving source (210) and fixedly sets up and be used for driving drive wheel (110) on frame (100) along its radial direction pivoted second driving source (220), its characterized in that: still include bottom plate (310), roof (320) and a plurality of support piece, bottom plate (310) rotate to set up on frame (100), roof (320) set up in the top of bottom plate (310), support piece includes first sleeve pipe (350) and second sleeve pipe (360), first sleeve pipe (350) fixed connection is on roof (320), second sleeve pipe (360) fixed connection is on bottom plate (310), second sleeve pipe (360) cover is located and is just slided the setting outside first sleeve pipe (350), be provided with a plurality of springs (370) that are used for the butt in roof (320) on bottom plate (310).

2. A trackless vehicle bottom damping structure according to claim 1, wherein: the springs (370) correspond to the supporting members one by one, and the springs (370) are sleeved outside the supporting members.

3. A trackless vehicle bottom damping structure according to claim 1, wherein: the support is characterized by further comprising an inner sleeve (340), the inner sleeve (340) is fixedly connected to the bottom plate (310), the support is arranged in the inner sleeve (340), the inner sleeve (340) is located below the top plate (320), and a gap is formed between the inner sleeve and the top plate.

4. A trackless vehicle bottom damping structure according to claim 1, wherein: the supporting device is characterized by further comprising an outer sleeve (330), the outer sleeve (330) is fixedly connected to the top plate (320), the outer sleeve (330) is located below the top plate (320) and used for tightly abutting against the bottom plate (310), the supporting piece is arranged in the outer sleeve (330), and a gap is formed between the top plate (320) and the bottom plate (310).

5. A trackless vehicle bottom damping structure according to claim 1, wherein: the support is characterized by further comprising an inner sleeve (340) and an outer sleeve (330), wherein the inner sleeve (340) is fixedly connected to the bottom plate (310) and sleeved outside the plurality of supporting pieces, the outer sleeve (330) is fixedly connected to the top plate (320) and sleeved outside the inner sleeve (340), and the outer sleeve (330) is arranged on the inner sleeve (340) in a relatively sliding mode.

6. A trackless vehicle bottom damping structure according to claim 5, wherein: the inner sleeve (340) is provided with a sliding groove (460) with an opening facing the outer sleeve (330), the outer sleeve (330) is connected with a limiting pin (450) along the radial thread thereof, and the limiting pin (450) is arranged in the sliding groove (460) in a sliding manner along the axial direction of the inner sleeve (340).

7. A trackless vehicle bottom damping structure according to claim 6, wherein: the inner sleeve (340) is provided with a caulking groove (410) with an opening facing the outer sleeve (330), the outer sleeve (330) is provided with a through groove (420) corresponding to the caulking groove (410) in a penetrating manner, a flat key (430) is clamped in the caulking groove (410), and the flat key (430) slides and is arranged in the through groove (420) along with the movement and relative sliding of the outer sleeve (330).

8. A trackless vehicle bottom damping structure according to claim 4 or 5, characterized in that: one end, facing the top plate (320), of the first sleeve (350) penetrates through the outer sleeve (330) and the top plate (320), a tightening nut (380) is connected to the first sleeve (350) in a threaded mode, and the tightening nut (380) abuts against one side, back to the inner sleeve (340), of the top plate (320).