CN111962940A

CN111962940A - Tire bracket convenient to lift car and have its yoke and parking robot

Info

Publication number: CN111962940A
Application number: CN202010950356.7A
Authority: CN
Inventors: 贾宝华; 陈新建
Original assignee: Jiangsu Xiaobaitu Intelligent Manufacturing Technology Co Ltd
Current assignee: Jiangsu Xiaobaitu Intelligent Manufacturing Technology Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-11-20

Abstract

The invention belongs to the technical field of intelligent parking, and discloses a tire bracket convenient for vehicle lifting, a fork arm with the tire bracket and a parking robot with the tire bracket. The tire bracket comprises a rolling assembly, a fixed block and a spring; the rolling assembly comprises a rolling shaft sleeve, roller shafts and a shaft bracket, the rolling shaft sleeve is sleeved on the roller shafts, and the roller shafts are arranged in two rows or more than two rows and are arranged on the shaft bracket; a first fixing block, a second fixing block and a third fixing block are arranged on two sides of the shaft bracket; one end of the sheet-shaped spring is fixed on the first fixing block and penetrates through the second fixing block and the third fixing block. The outermost side rolling shaft sleeve is a triangular cushion block. Under the effect of the extrusion force, the part of the tire bracket, which is close to the tire, deflects downwards, the triangular cushion block is plugged into a gap between the tire and the ground, so that the tire can easily climb the tire bracket under the assistance of a gentle slope formed by a sharp corner surface, the sliding friction can be changed into rolling friction, and the extrusion force required by separating the vehicle from the ground and the risk of tire burst by clamping the tire are reduced.

Description

Tire bracket convenient to lift car and have its yoke and parking robot

Technical Field

The invention belongs to the technical field of intelligent parking, relates to an intelligent parking robot, and particularly relates to a tire bracket convenient for vehicle lifting, a fork arm with the tire bracket and a parking robot.

Background

With the increase of the popularity of household vehicles, the number of vehicles in cities is increased, but the number of parking spaces in the cities is limited, and the urban land is more and more scarce, so that the parking is increasingly tense. Along with the improvement of living standard of people, the demand for a parking mode with small floor area and high automation level is gradually increased. Adopt intelligent parking robot to carry the parking stall with the vehicle, replace the manual work to look for the parking stall and park, can effectively increase the parking number under the same area, and also can not appear the condition of jam in the parking lot in parking or the peak hour of getting the car. Such a parking method and an intelligent parking robot are expected and favored by many people. Among them, the most important device is an intelligent parking robot.

At present, various intelligent parking robots with different structures are available in the market, wherein the parking robot which adopts a fork arm to clamp a vehicle tire to enable a vehicle to be separated from the ground has wide application prospect due to the advantages of small size, flexible movement and no need of site transformation or large-scale equipment construction. After the fork arm is in contact with the tire of the vehicle, the parking robot applies horizontal extrusion force to the tire to enable the fork arm and the tire to move relatively, so that the tread of the tire is pressed on the upper surface of the fork arm, namely the fork arm supports the tire, and the effect of lifting the vehicle is achieved.

However, in use, the fork arms adopted on the existing parking robot find that the common fork arms need larger force to lift the vehicle, even can not lift some vehicles with larger front and rear counterweight differences or heavier vehicles, and meanwhile, the tire clamping and tire burst possibility exists. This is because there is friction between the yoke and the tire and there is a significant height difference between the yoke and the ground. The tire needs to overcome the friction between the yoke and the tire and to overcome the height difference between the yoke and the ground so as to press on the yoke. As the weight of the vehicle increases, the greater the pressing force required for the process of lifting the vehicle. When the required squeezing force exceeds the maximum force that the drive means can provide, the yoke cannot lift the vehicle. Meanwhile, as the pressing force increases, the possibility of pinching the tire to blow out also increases.

Disclosure of Invention

In view of the technical problems in the prior art, the invention aims to design a fork arm for a parking robot, which is convenient for lifting a vehicle by rolling friction and aims to solve the problems that the fork arm for the existing parking robot is difficult to lift some vehicles which are heavy or have more different front and back weights and the risks of tire burst of tires.

The technical scheme adopted by the invention is as follows:

the invention provides a tire bracket 1 convenient for lifting a vehicle, wherein the tire bracket 1 comprises a rolling component 2, a fixed block 4 and a spring 5.

The rolling assembly 2 comprises a rolling sleeve 6, a roller shaft 7 and a shaft bracket 8. The rolling shaft sleeves 6 are sleeved on the roller shafts 7, and the roller shafts 7 are arranged in two rows or more than two rows and are arranged on the shaft bracket 8. The outermost row of rolling shaft sleeves 6 are triangular cushion blocks 9.

The axle bracket 8 comprises one transversal support 81, two first longitudinal supports 82 and one or more second longitudinal supports 83. The lateral bracket 81 is located at the rear side of the rolling assembly 2. All of the first and second

longitudinal supports

82, 83 are parallel to each other. The first longitudinal support 82 is two sheet structures which are rotatably connected, namely a first rear support 84 and a front support 85, and the second longitudinal support 83 is two sheet structures which are rotatably connected, namely a second rear support 86 and a front support 85. The first rear brackets 84 are located at the left and right sides of the rolling assembly 2, and the second rear brackets 86 are located at the middle of the rolling assembly 2 and are fixedly connected to the transverse bracket 81. The roller shaft 7 is mounted between two longitudinal brackets.

The first fixing block 41 is fixedly arranged on the outer side of the first rear side bracket 84 end of the first longitudinal bracket 82, the third fixing block 43 is fixedly arranged on the outer side of the front side bracket 85 end of the first longitudinal bracket, and the second fixing block 42 is fixedly arranged on the outer side of the position, close to the rotary connecting structure, of the front side bracket 85 of the first longitudinal bracket. One end of the leaf spring 5 is fixed to the first fixing block 41 and passes through the second fixing block 42 and the third fixing block 43.

The tire carrier 1 is fixedly connected to the yoke 3 via a first rear bracket 84.

The diameters of all or two or more rows of the rolling bushes 6 distant from the lateral support 81 are gradually reduced as the distance from the lateral support 81 increases.

The transverse support is of a block structure, and one or more transverse fixing supports are arranged at the bottoms of the first rear side support and the second rear side support.

The invention also provides a fork arm 3 for the parking robot, wherein a wheel hub limiting seat is arranged at the position of the fork arm 3 corresponding to the tire, and the tire bracket 1 convenient for lifting the vehicle is arranged in the wheel hub limiting seat.

The invention also provides a parking robot which is provided with the fork arm 3 for the parking robot or the tire bracket 1 convenient for lifting the vehicle.

The working process of the fork arm or parking robot provided with the tire bracket convenient for lifting the vehicle is as follows: the parking robot extends the fork arm into the bottom of the vehicle and moves the fork arm to the part of the tire close to the ground; continuing to apply a squeezing force to the tire after the adaptive tire carrier on the yoke contacts the tire; under the action of the extrusion force, the part of the tire bracket close to the tire deflects to a certain degree towards the ground (because the front side bracket and the rear side bracket are rotationally connected, the front side bracket close to the tire can be pressed downwards, so that the front side bracket part rotates downwards by a certain angle); the tyre climbs onto the tyre bracket under the action of the extrusion force, and the deflection of the tyre bracket is partially recovered under the action of the spring, so that the tyre is separated from the ground to support the vehicle. Particularly, the outermost rolling shaft sleeve is a triangular cushion block, one fillet of the triangle can be plugged into an included angle between the tire and the ground, and compared with a circular rolling shaft sleeve, the drop between the edge of the triangle and the ground is obviously reduced. That is, the tire carrier using the triangular pad block can lift the tire off the ground more easily than the tire carrier using only the circular rolling bearing housing. Meanwhile, the diameters of the rolling shaft sleeves, which are all or far away from the transverse support, are gradually reduced along with the increase of the distance between the rolling shaft sleeves and the transverse support, so that the angle of a sharp corner extending out of the triangular cushion block is smaller, the gradient of the tire needing to climb up when the tire is lifted up is smoother, and the energy required for lifting the vehicle off the ground is further reduced.

In the working process, the tire bracket automatically deflects downwards, the height difference between the tire bracket and the ground is reduced through the deflection, the sliding friction between the tire and the tire bracket can be converted into the rolling friction through the rolling assembly, the extrusion force required by the vehicle to be separated from the ground is greatly reduced, and the risk of tire burst caused by clamping the tire is greatly reduced. When the vehicle is separated from the ground, the deflection of the tire bracket automatically restores a part under the action of the spring; when the vehicle is lowered, the deflection of the tire carrier will automatically be fully restored under the action of the spring. That is, the tire carrier of the present invention has an adaptive effect.

The invention has the following beneficial effects:

1. the tire bracket can deflect to the ground after contacting with the tire, so that the force required by the tire to climb onto the tire bracket is reduced, and a heavier vehicle or a vehicle with larger difference of front and rear counterweights can be easily lifted;

2. the tire bracket designed by the invention is a self-adaptive structure, and a driving device is not required to be additionally designed, so that the energy is saved, and the cost is reduced;

3. the triangular cushion block with the sharp angle is used for replacing the outermost edge rolling shaft sleeve, and the rolling shaft sleeve can be plugged into a gap between a tire and the ground, so that the tire can easily climb up a tire bracket under the assistance of a gentle slope formed by the sharp angle surface;

4. the diameters of all or a plurality of rows of the rolling shaft sleeves far away from the transverse support are gradually reduced along with the increase of the distance between the rolling shaft sleeves and the transverse support, so that the gradient on which the tire needs to climb when the tire is lifted is more gradual, and the energy required for lifting the vehicle off the ground is further reduced.

Drawings

FIG. 1 is a schematic structural view of a tire carrier in an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a gradual change in diameter of a rolling sleeve according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a yoke according to an embodiment of the present invention;

the tire support frame comprises a tire support frame 1, a rolling assembly 2, a fork arm 3, a fixing block 4, a first fixing block 41, a second fixing block 42, a third fixing block 43, a spring 5, a rolling shaft sleeve 6, a roller shaft 7, a shaft frame 8, a transverse support 81, a first longitudinal support 82, a second longitudinal support 83, a first rear support 84, a front support 85, a second rear support 86, a fixing support 87 and a cushion block 9, wherein the fork arm is arranged on the tire support frame, the roller shaft sleeve is arranged on the roller shaft, the roller shaft is arranged on the roller shaft frame, the transverse support 81 is arranged on the roller shaft frame, the longitudinal support 82 is.

Detailed Description

In order to more clearly illustrate the technical solutions of the present invention, the following description is given with reference to specific embodiments and accompanying drawings, and it is obvious that the embodiments in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to these embodiments without any inventive work.

Example 1

As shown in fig. 1, the present embodiment relates to a tire carriage for a parking robot. The tire bracket 1 comprises a rolling assembly 2, a fixed block 4 and a spring 5.

The rolling assembly 2 comprises a rolling sleeve 6, a roller shaft 7 and a shaft bracket 8. The rolling shaft sleeves 6 are sleeved on the roller shafts 7, and the roller shafts 7 are arranged in eight rows and are arranged on the shaft bracket 8. The outermost row of rolling shaft sleeves 6 are triangular cushion blocks 9.

The axle bracket 8 comprises one transversal support 81, two first longitudinal supports 82 and three second longitudinal supports 83. The transverse bracket 81 is located at the rear side of the rolling assembly 2 and is of a block structure, and the first longitudinal bracket 82 and the second longitudinal bracket 83 are parallel to each other. The first longitudinal support 82 is two sheet structures which are rotatably connected, namely a first rear support 84 and a front support 85, and the second longitudinal support 83 is two sheet structures which are rotatably connected, namely a second rear support 86 and a front support 85. The first rear brackets 84 are located at the left and right sides of the rolling assembly 2, and the second rear brackets 86 are located at the middle of the rolling assembly 2 and are fixedly connected to the transverse bracket 81. The roller shaft 7 is mounted between two longitudinal brackets. One or more transverse fixing brackets 87 are provided at the bottom of the first rear bracket 84 and the second rear bracket 86. As shown in fig. 2, the diameters of the six rows of the rolling bushes 6, which are away from the lateral bracket 81, gradually decrease with increasing distance from the lateral bracket 81.

The embodiment also relates to a fork arm 3 for the parking robot, as shown in fig. 3, a wheel hub limiting seat is arranged at a position of the fork arm 3 corresponding to the tire, and the tire bracket 1 convenient for lifting is installed in the wheel hub limiting seat.

The present embodiment also relates to a parking robot equipped with the above-described fork arm 3 for a parking robot or the tire carrier 1 facilitating vehicle lifting.

The working process of the fork arm or parking robot provided with the tire carrier facilitating vehicle lifting according to the embodiment is as follows: the parking robot extends the fork arm into the bottom of the vehicle and moves the fork arm to the part of the tire close to the ground; continuing to apply a squeezing force to the tire after the adaptive tire carrier on the yoke contacts the tire; under the action of the extrusion force, the part of the tire bracket close to the tire deflects to a certain degree towards the ground (because the front side bracket and the rear side bracket are rotationally connected, the front side bracket close to the tire can be pressed downwards, so that the front side bracket part rotates downwards by a certain angle); the tyre climbs onto the tyre bracket under the action of the extrusion force, and the deflection of the tyre bracket is partially recovered under the action of the spring, so that the tyre is separated from the ground to support the vehicle.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tire bracket convenient for lifting a vehicle is characterized by comprising a rolling component, a fixed block and a spring;

the rolling assembly comprises rolling shaft sleeves, roller shafts and a shaft bracket, the rolling shaft sleeves are sleeved on the roller shafts, the roller shafts are arranged in two rows or more than two rows and are arranged on the shaft bracket, and the outermost row of rolling shaft sleeves are triangular cushion blocks;

the shaft bracket comprises a transverse bracket, two first longitudinal brackets and one or more second longitudinal brackets; the transverse bracket is positioned at the rear side of the rolling assembly; all the first longitudinal supports and the second longitudinal supports are parallel to each other; the first longitudinal support is two sheet structures which are in rotary connection and respectively comprises a first rear side support and a front side support, and the second longitudinal support is two sheet structures which are in rotary connection and respectively comprises a second rear side support and a second front side support; the first rear side brackets are positioned at the left side and the right side of the rolling assembly, and the second rear side brackets are positioned in the middle of the rolling assembly and are fixedly connected with the transverse bracket; the roller shaft is arranged between the two longitudinal brackets;

a first fixed block is fixedly arranged on the outer side of the first rear side bracket end of the first longitudinal bracket, a third fixed block is fixedly arranged on the outer side of the front side bracket end of the first longitudinal bracket, and a second fixed block is fixedly arranged on the outer side of the position, close to the rotary connecting structure, of the front side bracket of the first longitudinal bracket; one end of the sheet-shaped spring is fixed on the first fixing block and penetrates through the second fixing block and the third fixing block.

2. The lift-facilitating tire carrier of claim 1, wherein said tire carrier is fixedly attached to said yoke by a first rear bracket.

3. The tire carrier for facilitating vehicle lifting according to claim 1, wherein the diameters of all or two or more rows of said rolling bushings distant from the lateral support are gradually reduced as the distance from the lateral support increases.

4. The tire carrier frame for facilitating vehicle lifting as claimed in claim 1, wherein the lateral support is a block structure, and one or more lateral fixing supports are provided at the bottom of the first and second rear supports.

5. A fork arm for a parking robot is characterized in that a hub limiting seat is arranged at the position, corresponding to a tire, of the fork arm, and the tire bracket convenient to lift is installed in the hub limiting seat according to any one of claims 1 to 4.

6. A parking robot, characterized in that it is equipped with a fork arm for a parking robot according to claim 5 or a tire carrier for facilitating vehicle lifting according to any of claims 1 to 4.