CN111638068A

CN111638068A - Tire corner debugging auxiliary device

Info

Publication number: CN111638068A
Application number: CN202010445680.3A
Authority: CN
Inventors: 周文杰; 黎林芳; 赵前进; 祝波; 吴凯斌; 张云飞; 梁艺瀚; 钟文西; 涂冬冬
Original assignee: Yinlong New Energy Co Ltd; Zhuhai Guangtong Automobile Co Ltd
Current assignee: Yinlong New Energy Co Ltd; Zhuhai Guangtong Automobile Co Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-09-08

Abstract

The invention discloses a tire corner debugging auxiliary device, which comprises a follow-up ruler and a reading mechanism, wherein the follow-up ruler is arranged on the tire corner debugging auxiliary device; the follow-up ruler is horizontally arranged on the tire and rotates along with the tire, and comprises a ruler body arranged along the radial direction of the tire; the reading mechanism comprises an indicating disc, a sighting device is rotatably connected on the indicating disc, and the sighting device is used for sighting the ruler body to enable the sighting device and the ruler body to be perpendicular to each other; the indicating plate is provided with a rotation angle scale so as to read the rotation angle of the sighting device, namely the rotation angle of the tire. The auxiliary device for debugging the tire corner can perform corner measurement operation outside a vehicle, does not need to lift the front axle of the vehicle to place an angle measuring disc, and has the advantages of convenient and efficient operation process, low labor intensity and low risk coefficient.

Description

Tire corner debugging auxiliary device

Technical Field

The invention belongs to the field of vehicle detection, and particularly relates to a tire corner debugging auxiliary device.

Background

According to the requirements of relevant regulations, the maximum turning angle of the tire of a large passenger bus needs to meet the requirement of turning radius, so that the turning angle of the wheel needs to be debugged in the production process of the whole bus.

Although four-wheel positioning detection equipment has the function of measuring the turning angle at the present stage, four-wheel positioning detection items are more, the process is relatively backward, a manual pre-debugging step is generally required to be added in the front-stage process, and the specific debugging mode is as follows:

1. lifting the left wheel and the right wheel by using a jack respectively, and placing a corner measuring disc below the wheels;

2. a driver controls the steering wheel to rotate to the limit position and observes the angle reading of the rotation angle measuring disc;

3. and if the reading of the rotation angle measuring disc does not meet the requirement of the design angle, reworking and adjusting are needed.

This debugging process needs the manpower to use jack lift car, and staff's intensity of labour is great, and it is also more loaded down with trivial details to place the steering wheel, has efficiency improvement space.

Disclosure of Invention

The invention aims to provide a tire rotation angle debugging auxiliary device, which is convenient for detecting the rotation angle of a tire.

In order to achieve the above object, the specific technical solution of the tire corner adjusting auxiliary device of the present invention is as follows:

a tire corner debugging auxiliary device comprises a follow-up ruler and a reading mechanism; the follow-up ruler is horizontally arranged on the tire and rotates along with the tire, and comprises a ruler body arranged along the radial direction of the tire; the reading mechanism comprises an indicating disc, a sighting device is rotatably connected on the indicating disc, and the sighting device is used for sighting the ruler body to enable the sighting device and the ruler body to be perpendicular to each other; the indicating plate is provided with a rotation angle scale so as to read the rotation angle of the sighting device, namely the rotation angle of the tire.

Furthermore, the ruler bodies are at least provided with two ruler bodies and arranged in parallel and level with each other, and the sighting device is used for sighting the same position of each ruler body, so that the sighting device and the ruler bodies are arranged in a mutually vertical mode.

Furthermore, the ruler bodies are provided with length scales, and when the deviation of the scales corresponding to the projection of light rays on the two ruler bodies is smaller than 2mm, the sighting device and the ruler bodies are arranged perpendicular to each other.

Further, the sighting device comprises a laser pointer, and light rays generated by the laser pointer intersect with the ruler body to form a projection.

Furthermore, the sight still includes rotates the seat, rotates the pivot rotation connection that the seat passes through vertical setting and connects on the dial, and the laser pointer rotates the connection through the pivot that the level set up and rotates on rotating the seat.

Further, the zero scale of the corner scale and the straight tire are oriented in the same direction.

Furthermore, the supporting plate is fixedly connected to the supporting column; the support column includes the lower beam to and the upper boom that the lower pot head was established in the lower beam, slide along the lower beam through the upper boom and make the support column flexible.

Furthermore, the indicating plate is erected on the supporting plate through a supporting bolt, and the supporting bolt is connected with the supporting plate through a bolt and is rotatably connected with the indicating plate; a liquid level meter is arranged on the indicating plate.

Furthermore, the follow-up ruler also comprises a guiding ruler slide rail fixed on the tire; the ruler body is connected to the guiding ruler slide rail in a sliding mode from top to bottom, the ruler body is connected with a limiting bolt through a bolt, and the ruler body is fixed through the limiting bolt and the guiding ruler slide rail in an abutting mode.

Furthermore, the root of the ruler body is fixedly connected with an elastic jacking block, and the two elastic jacking blocks are respectively abutted against the rim.

The auxiliary device for debugging the tire corner has the following advantages: the corner measuring operation can be carried out on the outer side of the vehicle, the front axle of the vehicle does not need to be lifted to place an angle measuring disc, and the operation process is convenient and efficient, low in labor intensity and low in danger coefficient.

Drawings

FIG. 1 is a schematic view of the reading mechanism of the present invention;

fig. 2 is a schematic structural diagram of the servo ruler of the present invention.

The notation in the figure is:

1. a follow-up ruler; 11. a ruler body; 12. a guiding rule sliding rail; 13. an elastic jacking block; 2. an indicator panel; 3. a sight; 31. a laser pointer; 32. a rotating seat; 4. a support plate; 41. a support bolt; 5. a support pillar; 6. a support; 61. and (3) a support leg.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, a tire rotation angle adjustment assisting device according to the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the tire rotation angle adjustment assisting device of the present invention includes a follower rule 1 and a reading mechanism.

The follow-up ruler 1 is horizontally arranged on the tire and rotates along with the tire, and the follow-up ruler 1 comprises a ruler body 11 arranged along the radial direction of the tire. The reading mechanism comprises an indicating disc 2, a sighting device 3 is rotatably connected to the indicating disc 2, and the sighting device 3 is used for sighting the ruler body 11, so that the sighting device 3 and the ruler body 11 are perpendicular to each other; the indicating dial 2 is provided with a rotation angle scale to read the rotation angle of the sighting device 3. This translates the tire rotation angle into the rotation angle of the sight 3 so as to determine the tire rotation angle.

The sight 3 includes a laser pointer 31 formed with a projection by the intersection of the generated light with the blade 11 so that the sight 3 and the blade 11 are arranged perpendicular to each other.

The ruler bodies 11 are at least provided with two ruler bodies and are arranged in parallel with each other, the same position of each ruler body 11 is aimed through the sighting device 3, and the sighting device 3 and the ruler bodies 11 are determined to be arranged perpendicular to each other. The ruler bodies 11 are provided with length scales, and when the deviation of the scales corresponding to the projection of light rays on the two ruler bodies 11 is smaller than 2mm, the light rays of the laser indicator 31 and the tire face the same direction.

To facilitate reading, the zero scale of the corner scale is oriented the same as the straight tire.

Being convenient for adjust the parameter, sight 3 is including rotating seat 32 except laser pointer 31, rotates seat 32 and rotates the pivot through vertical setting and connect on indicating disc 2, and laser pointer 31 rotates the pivot through the level setting and connects on rotating seat 32.

The reading mechanism further comprises a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a supporting plate 4, the indicating plate 2 is erected on the supporting plate 4 through a supporting bolt 41, and the supporting bolt 41 is connected with the supporting plate 4 through a bolt and is connected with the indicating plate 2 in a rotating mode. And the indicating disc 2 is provided with a liquid level indicator, so that three supporting bolts 41 are rotated according to the position of bubbles of the liquid level indicator, the length of the supporting screw screwed into the supporting plate 4 is adjusted, and the levelness of the indicating disc 2 is adjusted.

And 4 rigid couplings of backup pad are at support column 5, and support column 5 includes the lower beam to and the upper boom that the lower pot head established in the lower beam, slide along the lower beam through the upper boom and make support column 5 flexible. The lower rod is in threaded connection with a jackscrew, and the jackscrew penetrates through the lower rod and is abutted against the lower rod, so that the upper rod and the lower rod are fixed.

The support column 5 is fixed on the support 6, the support 6 is provided with three support legs 61 which are uniformly arranged, the lower ends of the three support legs 61 are tapered and are in threaded connection with the support 6, so that the uneven ground state can be responded, and the leveling of the indicating plate 2 can be assisted.

In order to install follow-up ruler 1 on the tire, follow-up ruler 1 still includes the guiding ruler slide rail 12 of fixing on the tire, and blade 11 is sliding connection on guiding ruler slide rail 12 one on top of the other, and blade 11 bolted connection has spacing bolt, through spacing bolt and guiding ruler slide rail 12 butt with fixed blade 11. The root of the ruler body 11 is fixedly connected with an elastic top block 13, and the elastic top blocks 13 are respectively abutted against the rim so as to be fixed on the rim in a clamping mode. And a liquid level indicator is also arranged on the guiding rule sliding rail 12 to ensure that the follow-up rule 1 is horizontally arranged.

The detection method comprises the following steps:

1. parking the passenger car in a designated area, pulling a hand brake on a front wheel pair and a rear wheel pair, and putting a wheel block on a rear wheel;

2. the reading mechanism is placed beside the vehicle and is as close to the vehicle body as possible under the condition that moving parts are not influenced; according to the prompt of the upper liquid level meter, the supporting bolt 41 is adjusted to balance the indicating disc 2;

3. the laser indicator 31 is electrified, and the laser lamp head is rotated to enable the straight line light to be irradiated forwards perpendicular to the horizontal line;

4. the servo ruler 1 is hung on a tire, the distance between the two ruler bodies 11 is adjusted to enable the elastic jacking block 13 to tightly clamp a rim, and the fixing is completed after the leveling is adjusted according to the prompt of a liquid level meter on the elastic jacking block; at the moment, the light of the laser indicator 31 intersects with the ruler bodies 11 to form a projection, laser projection scales of the two ruler bodies 11 are observed, and when the deviation of the scales is smaller than 2mm, the laser and the tire can be judged to be parallel in orientation;

5. adjusting the laser orientation (such as 40 degrees) on the auxiliary device according to the design requirement; after the adjustment is finished, the tyre can be controlled to turn, and when the scale deviation of the ruler body 11 of the running rule is smaller than 2mm again, the direction of the tyre can be considered to be parallel to the direction of the laser indicator 31 again; at the moment, the turning angle of the tire reaches the design requirement, and the steering angle of the tire is adjusted.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The tire corner debugging auxiliary device is characterized by comprising a follow-up ruler (1) and a reading mechanism; the follow-up ruler (1) is horizontally arranged on the tire and rotates along with the tire, and the follow-up ruler (1) comprises a ruler body (11) arranged along the radial direction of the tire; the reading mechanism comprises an indicating disc (2), the indicating disc (2) is rotatably connected with a sighting device (3), and the sighting device (3) is used for sighting the ruler body (11) to ensure that the sighting device (3) and the ruler body (11) are mutually vertical; the indicating plate (2) is provided with a rotation angle scale so as to read the rotation angle of the sighting device (3), namely the rotation angle of the tire.

2. The tire corner fitting aid according to claim 1, wherein the rulers (11) are provided in at least two and are arranged flush with each other, and the sighting device (3) and the rulers (11) are arranged perpendicular to each other by sighting each of the rulers (11) at the same position by the sighting device (3).

3. The auxiliary device for adjusting the tire rotation angle according to claim 2, wherein the ruler bodies (11) are provided with length scales, and when the deviation of the scales corresponding to the projection of light rays on the two ruler bodies (11) is less than 2mm, the sighting device (3) and the ruler bodies (11) are arranged perpendicular to each other.

4. The tire corner adjusting auxiliary device according to claim 2, wherein the sighting device (3) comprises a laser pointer (31), and a projection is formed by intersecting a light ray generated by the laser pointer (31) and the ruler body (11).

5. The auxiliary device for adjusting the tire rotation angle according to claim 4, wherein the sighting device (3) further comprises a rotating base (32), the rotating base (32) is rotatably connected to the indicating plate (2) through a vertically arranged rotating shaft, and the laser indicator (31) is rotatably connected to the rotating base (32) through a horizontally arranged rotating shaft.

6. The tire corner fitting assist device of claim 1, wherein the zero scale of the corner scale and the straight tire are oriented in the same direction.

7. The auxiliary device for adjusting the tire rotation angle according to claim 1, wherein the support plate (4) is fixedly connected to the support column (5); the support column (5) comprises a lower rod and an upper rod, wherein the lower end of the upper rod is sleeved in the lower rod, and the support column (5) is made to stretch and retract by sliding along the lower rod through the upper rod.

8. The tire corner fitting auxiliary device according to claim 1, wherein the indicating dial (2) is erected on the support plate (4) through a support bolt (41), and the support bolt (41) is bolted with the support plate (4) and is rotatably connected with the indicating dial (2); a liquid level gauge is arranged on the indicating disc (2).

9. The tire corner fitting assist device according to claim 1, wherein the follow-up rule (1) further comprises a rule rail (12) fixed to the tire; the ruler body (11) is connected to the guiding ruler slide rail (12) in a sliding mode from top to bottom, the ruler body (11) is connected with a limiting bolt through a bolt, and the ruler body (11) is fixed through the limiting bolt and the guiding ruler slide rail (12) in an abutting mode.

10. The auxiliary device for adjusting the tire corner of the tire according to claim 9, wherein the elastic top block (13) is fixed to the root of the ruler body (11), and the two elastic top blocks (13) are respectively abutted against the rim.