CN111674460A

CN111674460A - Stabilizing device between vehicle body and wheel

Info

Publication number: CN111674460A
Application number: CN202010556704.2A
Authority: CN
Inventors: 范桂霞
Original assignee: Beijing Mingnanhui Technology Co Ltd
Current assignee: Beijing Muyue Intelligent Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-09-18

Abstract

The invention provides a stabilizing device between a vehicle body and wheels, which is arranged on a supporting mechanism of the wheels and comprises a linear motion driving device for driving the wheels to perform lifting motion and a rotation driving device for driving the wheels to perform turning motion.

Description

Stabilizing device between vehicle body and wheel

Technical Field

The invention relates to the field of vehicle engineering, in particular to a stabilizing device between a vehicle body and wheels.

Background

In order to meet the requirements of disaster relief and emergency rescue, transportation in special terrain environments and the like, people have higher and higher requirements on trafficability, adaptability and flexibility of vehicles, and the vehicles are required to be used for operation in areas where people cannot enter or are difficult to enter and to be suitable for driving and running on steps and climbing and other complex road conditions, such as grasslands, mud lands, stairs and the like.

In order to stabilize the body of the trolley when the trolley travels on a rugged road, a common mode is to add elastic components such as springs between the trolley and wheels to passively buffer the impact on the stability of the body caused by the rugged road. However, in the prior art, the impact caused by the uneven road surface to the stability of the vehicle body can be passively buffered, the vehicle body cannot be kept in a horizontal state all the time, only a certain relieving effect is achieved, and the phenomena of slipping and tipping often occur in the use occasions of hills and wetlands, so that the trolley array is severely restricted from executing special tasks under various severe road conditions.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention aims to provide a stabilizing device between a vehicle body and wheels, wherein a linear motion driving device for driving the wheels to perform lifting motion and a rotation driving device for driving the wheels to perform turning motion are additionally arranged between an original wheel axle and the vehicle body, so that the heights and the advancing directions of the wheels can be actively adjusted according to road conditions, and the phenomenon that the vehicle is overturned or cannot walk when the vehicle runs on different complex ground surfaces is avoided.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a stabilising arrangement between automobile body and wheel, sets up on the supporting mechanism of wheel, including the drive the wheel carries out elevating movement's linear motion drive arrangement and drive the wheel carries out the rotation drive arrangement of turning motion, and the linkage cooperation does not influence each other, has guaranteed that the car can adjust wheel height and direction of advance according to road conditions initiative to realize effectively traveling on special subaerial such as hillside, sand, meadow, marsh, stair.

Preferably, the linear motion driving device and the rotation driving device are both fixedly arranged on a chassis support connected with the vehicle body, and the chassis support is positioned above the wheels.

Preferably, the linear motion driving device and the rotation driving device are provided with a same central shaft unit, the central shaft unit is driven by a linear motor provided in the linear motion driving device to realize lifting motion, and driven by a servo motor provided in the rotation driving device to realize rotation motion.

Preferably, the lower end of the central shaft unit is vertically connected with a support mechanism of the wheel, and the support mechanism comprises an axle penetrating through the wheel.

Preferably, the linear motion driving device further comprises a linear slide rail cylinder and a linear bearing which are nested outside the central shaft unit, the linear slide rail and the linear bearing are respectively arranged above and below the linear motor, and the linear slide rail and the linear bearing are both fixedly connected with the chassis support; the central shaft unit can move up and down in the linear slide rail barrel, and the linear bearing is used for providing guiding support for the up-and-down movement of the central shaft unit.

Preferably, the rotary driving device further includes a motor rotor for driving the central shaft unit to rotate and a motor stator cooperating with the motor rotor.

Preferably, the inner diameter of the motor rotor is fixedly connected with the central shaft unit, and the outer diameter of the motor rotor is matched with the motor stator.

Preferably, the inner diameter of the motor stator is matched with the motor rotor, and the outer diameter of the motor stator is connected with the linear slide rail cylinder through a sliding groove and can move up and down along the sliding groove.

Compared with the prior art, the stabilizing device between the vehicle body and the wheels achieves the following effects:

(1) the linear motion driving device and the rotation driving device are additionally arranged between the original wheel axle and the vehicle body, so that the height and the advancing direction of the vehicle can be actively adjusted according to road conditions, and effective driving on special ground such as hillsides, sand, grasslands, swamps and stairs is realized.

(2) The linear motion driving device and the rotation driving device are not mutually affected in linkage matching, the adjustment of the height of the wheels and the adjustment of the advancing direction can be freely combined and changed, compensation action is implemented when different road surfaces are met so as to maintain the stability of the vehicle body, the stable state of the trolley under various road condition conditions is met, and the operation requirements of various road condition environments are greatly met.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of I in FIG. 1;

FIG. 3 is a front view of a preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view B-B of FIG. 3;

FIG. 5 is a top view of a preferred embodiment of the present invention;

wherein, 1-central shaft unit; 2-a motor rotor; 3-a motor stator; 4-a linear slide rail cylinder; 5-a chassis support; 6-a linear motor; 7-a linear bearing; 8-vehicle wheels; 9-a wheel axle; 10-hub motor.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

Referring to fig. 1 to 5, in a preferred embodiment, a trolley provided with a stabilizing device between a trolley body and wheels 8 is disclosed, wherein the stabilizing device is arranged on a supporting mechanism of the wheels 8, and comprises a linear motion driving device for driving the wheels 8 to perform lifting motion and a rotation driving device for driving the wheels 8 to perform turning motion, and linkage cooperation does not affect each other, so that the height and advancing direction of the wheels 8 can be actively adjusted according to road conditions, and effective running on special grounds such as hills, sand, grasslands, swamps and stairs is realized.

Further, the linear motion driving device and the rotation driving device are both fixedly arranged on a chassis support 5 connected with the vehicle body, and the chassis support 5 is positioned above the wheels 8.

Further, linear motion drive arrangement reaches rotation drive arrangement is equipped with same center pin unit 1, center pin unit 1 is in linear motion drive arrangement is equipped with linear motor 6 drive down realizes elevating movement rotation drive arrangement is equipped with the servo motor drive down realizes rotary motion.

Further, the lower end of the central shaft unit 1 is vertically connected with a support mechanism, specifically, the support mechanism comprises an axle 9 penetrating through the wheel 8.

Further, the vehicle wheel further comprises an in-wheel motor 10 arranged in the vehicle wheel 8, wherein the in-wheel motor 10 is connected with the wheel shaft 9 and provides power for rotation of the vehicle wheel 8.

Further, the linear motion driving device further comprises a linear slide rail cylinder 4 and a linear bearing 7 which are nested outside the central shaft unit 1, the linear slide rail and the linear bearing 7 are respectively arranged above and below the linear motor 6, and the linear slide rail and the linear bearing 7 are both fixedly connected with the chassis support 5; the central shaft unit 1 can move up and down in the linear slide rail barrel 4, and the linear bearing 7 is used for providing guiding support for the up and down movement of the central shaft unit 1.

Further, the rotation driving device further comprises a motor rotor 2 for driving the central shaft unit 1 to rotate and a motor stator 3 matched with the motor rotor 2.

Further, the inner diameter of the motor rotor 2 is fixedly connected with the central shaft unit 1, and the outer diameter of the motor rotor 2 is matched with the inner diameter of the motor stator 3; the outer diameter of the motor stator 3 is connected with the linear slide rail barrel 4 through a sliding groove and can move up and down along the sliding groove.

Furthermore, the stabilizing devices are arranged at the bottom of the trolley, so that when the vehicle passes through uneven road surfaces, one wheel 8 can be controlled to realize actions such as lifting, descending, turning and the like according to the road conditions, and other wheels 8 are controlled to simultaneously implement compensation actions to maintain the stability of the vehicle body, thereby meeting the stable state of the trolley under various road conditions and greatly meeting the operation requirements of various road conditions and environments.

Compared with the prior art, the nested connection rotating device provided by the invention achieves the following effects:

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A stabilizing device between a vehicle body and wheels is arranged on a supporting mechanism of the wheels and is characterized by comprising a linear motion driving device for driving the wheels to perform lifting motion and a rotation driving device for driving the wheels to perform turning motion.

2. The stabilizer between vehicle body and wheel according to claim 1, wherein said linear motion driving device and said rotation driving device are both fixed on a chassis bracket connected with the vehicle body, and said chassis bracket is located above said wheel.

3. The vehicle body and wheel stabilizing apparatus according to claim 2, wherein the linear motion driving means and the rotational driving means are provided with a same central shaft unit, and the central shaft unit is driven by a linear motor provided in the linear motion driving means to perform an elevating motion and driven by a servo motor provided in the rotational driving means to perform a rotating motion.

4. The stabilizer between vehicle body and wheel according to claim 3, wherein the lower end of said central shaft unit is vertically connected to a support mechanism of said wheel, said support mechanism including an axle penetrating said wheel.

5. The stabilizing device between the vehicle body and the wheel of claim 4, wherein the linear motion driving device further comprises a linear slide rail cylinder and a linear bearing which are nested outside the central shaft unit, the linear slide rail and the linear bearing are respectively arranged above and below the linear motor, and the linear slide rail and the linear bearing are fixedly connected with the chassis support.

6. The vehicle body and wheel stabilizing device according to claim 5, wherein said rotary driving means further comprises a motor rotor for driving said central shaft unit to rotate and a motor stator engaged with said motor rotor.

7. The vehicle body to wheel stabilizer according to claim 6, wherein said motor rotor has an inner diameter fixedly connected to said central shaft unit and an outer diameter fitted to said motor stator.

8. The stabilizer between vehicle body and wheel according to claim 7, wherein the motor stator has an inner diameter matching with the motor rotor and an outer diameter connected to the linear guideway cylinder through a sliding slot, and is movable up and down along the sliding slot.