Tire cornering adjustment auxiliary device

Abstract

The application discloses a kind of tire rotation angle debugging auxiliary devices, including servo scale and reading mechanism;Servo scale is horizontally installed on tire and rotates with tire, and servo scale includes the scale body being arranged along the radial direction of tire;Reading mechanism includes indicating disc, and the gunsight is rotatably connected on indicating disc, and gunsight is used to aim scale body, so that gunsight and scale body are perpendicular to each other;Indicating disc is provided with rotation angle scale, to read the angle of rotation of gunsight, i.e. the rotation angle of tire.The tire rotation angle debugging auxiliary device disclosed in the application can be used for rotation angle measurement operation on the outside of vehicle, without lifting the front axle of vehicle to place angle measurement disc, and the operation process is convenient, efficient, low labor intensity and low risk coefficient.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of vehicle detection, and particularly relates to a tire rotation angle debugging auxiliary device. BACKGROUND

[0002] According to relevant regulations, the maximum rotation angle of the tire of a large passenger vehicle needs to meet the requirement of the turning radius, so the rotation angle of the vehicle wheel needs to be debugged during the production process of the vehicle.

[0003] The four-wheel positioning detection equipment at the present stage has the function of measuring the rotation angle, but the four-wheel positioning detection items are more, and the process is relatively late, so it is usually necessary to add a manual pre-debugging step in the early process, and the specific debugging method is as follows:

[0004] 1. Use a jack to lift up the left and right vehicle wheels, and place a rotation angle measuring disc under the vehicle wheels;

[0005] 2. The driver controls the steering wheel to rotate to the limit position, and observes the angle reading of the rotation angle measuring disc;

[0006] 3. If the reading of the rotation angle measuring disc does not meet the design angle requirement, the vehicle needs to be adjusted.

[0007] The debugging process needs manpower to use the jack to lift the vehicle, and the labor intensity of the employees is large, and the placement of the steering disc is also relatively cumbersome, so there is room for improvement in efficiency. SUMMARY

[0008] The present application aims to provide a tire rotation angle debugging auxiliary device to facilitate the detection of the rotation angle of the tire.

[0009] To achieve the above-mentioned purpose, the specific technical scheme of the tire rotation angle debugging auxiliary device of the present application is as follows:

[0010] A tire rotation angle debugging auxiliary device, comprising a follow-up ruler and a reading mechanism; the follow-up ruler is horizontally installed on the tire and rotates with the tire, and the follow-up ruler comprises a ruler body arranged along the radial direction of the tire; the reading mechanism comprises an indicator disc, and a gunsight is rotatably connected to the indicator disc, and the gunsight is used for aiming at the ruler body, so that the gunsight and the ruler body are perpendicular to each other; a rotation angle scale is arranged on the indicator disc to read the angle of rotation of the gunsight, that is, the rotation angle of the tire.

[0011] Further, the ruler body is provided with at least two ruler bodies arranged in parallel with each other, and the gunsight aims at the same position of each ruler body, so that the gunsight and the ruler body are arranged perpendicular to each other.

[0012] Further, the ruler body is provided with a length scale, and when the light is projected on the corresponding scale with a deviation of less than 2mm, the gunsight and the ruler body are arranged perpendicular to each other.

[0013] Further, the aiming device comprises a laser pointer, and the light generated by the laser pointer intersects with the ruler body to form a projection.

[0014] Further, the aiming device further comprises a rotating seat, which is rotatably connected to the indicating disc through a vertically arranged rotating shaft, and the laser pointer is rotatably connected to the rotating seat through a horizontally arranged rotating shaft.

[0015] Further, the zero scale of the rotating angle scale is in the same direction as the straight tire.

[0016] Further, the support plate is fixed to the support column; the support column comprises a lower rod and an upper rod sleeved in the lower rod, and the support column is telescopic by sliding the upper rod along the lower rod.

[0017] Further, the indicating disc is arranged on the support plate through support bolts, the support bolts are bolted to the support plate and are rotatably connected to the indicating disc; and a liquid level instrument is arranged on the indicating disc.

[0018] Further, the following ruler further comprises a ruler sliding rail fixed to the tire; the ruler body is slidably connected to the ruler sliding rail in an upper and lower manner, and the ruler body is bolted to a limiting bolt, and the ruler body is fixed by abutting the limiting bolt and the ruler sliding rail.

[0019] Further, the ruler body is provided with elastic top blocks at the root, and the two elastic top blocks abut on the rim respectively.

[0020] The tire rotating angle debugging auxiliary device has the following advantages: the rotating angle measurement operation can be performed on the outside of the vehicle, the vehicle front axle does not need to be lifted to place the angle measurement disc, the operation process is convenient, efficient, low in labor intensity and low in risk coefficient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The figure is a structural schematic view of the reading mechanism of the present application;

[0022] Figure 2 The figure is a structural schematic view of the following ruler of the present application.

[0023] Marking explanation in the figure:

[0024] 1, following ruler; 11, ruler body; 12, ruler sliding rail; 13, elastic top block; 2, indicating disc; 3, aiming device; 31, laser pointer; 32, rotating seat; 4, support plate; 41, support bolt; 5, support column; 6, support; 61, support leg. DETAILED DESCRIPTION

[0025] In order to better understand the purpose, structure and function of the present application, the following will combine the figures to further describe the tire rotating angle debugging auxiliary device in detail.

[0026] AsFigure 1 and Figure 2 As shown in the figure, the tire rotation angle debugging auxiliary device of the present application comprises a follower ruler 1 and a reading mechanism.

[0027] The follower ruler 1 is horizontally installed on the tire and rotates with the tire, and the follower ruler 1 comprises a ruler body 11 arranged along the radial direction of the tire. The reading mechanism comprises an indicating disc 2, and a sighting device 3 is rotationally connected to the indicating disc 2, and the sighting device 3 is used for aiming at the ruler body 11 so that the sighting device 3 and the ruler body 11 are perpendicular to each other; the indicating disc 2 is provided with a rotation angle scale for reading the angle of rotation of the sighting device 3. In this way, the rotation angle of the tire is converted into the rotation angle of the sighting device 3, so as to facilitate the determination of the rotation angle of the tire.

[0028] The sighting device 3 comprises a laser pointer 31, and a projection is formed by the light generated and intersecting with the ruler body 11, so as to facilitate the perpendicular arrangement of the sighting device 3 and the ruler body 11.

[0029] The ruler body 11 is provided with at least two and arranged flush with each other, and the same position of each ruler body 11 is aimed at by the sighting device 3 to determine that the sighting device 3 and the ruler body 11 are arranged perpendicular to each other. The ruler body 11 is provided with a length scale, and when the projection of the light on the two ruler bodies 11 corresponds to a scale deviation of less than 2mm, the light of the laser pointer 31 and the direction of the tire are the same.

[0030] In order to facilitate reading, the zero scale of the rotation angle scale and the straight direction of the tire are the same.

[0031] In order to facilitate the adjustment of parameters, the sighting device 3 comprises a rotating seat 32 in addition to the laser pointer 31, the rotating seat 32 is rotationally connected to the indicating disc 2 through a vertically arranged rotating shaft, and the laser pointer 31 is rotationally connected to the rotating seat 32 through a horizontally arranged rotating shaft.

[0032] The reading mechanism further comprises a horizontal adjustment mechanism, and the horizontal adjustment mechanism comprises a support plate 4, the indicating disc 2 is erected on the support plate 4 through a support bolt 41, the support bolt 41 is screw-connected with the support plate 4 and rotationally connected with the indicating disc 2. Moreover, a liquid level meter is arranged on the indicating disc 2, so as to rotate the three support bolts 41 according to the position of the bubble of the liquid level meter, adjust the length of the support bolt screwing into the support plate 4, and adjust the levelness of the indicating disc 2.

[0033] The support plate 4 is fixedly connected to a support column 5, and the support column 5 comprises a lower rod and an upper rod sleeved in the lower rod at the lower end, and the support column 5 is telescopic by sliding the upper rod along the lower rod. A jackscrew is screw-connected with the lower rod, and the jackscrew penetrates through the lower rod and abuts against the lower rod, so as to fix the upper rod and the lower rod.

[0034] The support column 5 is fixed on a support base 6, and the support base 6 is provided with three supporting legs 61 arranged uniformly, and the lower ends of the three supporting legs 61 are conical and screw-connected with the support base 6, so as to cope with the uneven ground state and also assist the leveling of the indicating disc 2.

[0035] In order to install the follow-up ruler 1 on the tire, the follow-up ruler 1 further comprises a ruler slide rail 12 fixed on the tire, the ruler bodies 11 are connected to the ruler slide rail 12 in a sliding manner one above another, the ruler bodies 11 are bolted to limiting bolts, and the ruler bodies 11 are fixed by abutting the limiting bolts and the ruler slide rail 12. The roots of the ruler bodies 11 are fixed with elastic top blocks 13, and the elastic top blocks 13 abut on the rims respectively, so as to be fixed on the rims in a clamping manner. Moreover, the ruler slide rail 12 is also provided with a liquid level gauge to ensure that the follow-up ruler 1 is horizontally arranged.

[0036] The detection method is as follows:

[0037] 1. The passenger car is parked in a designated area, the front wheels are centered and the hand brake is pulled up, and the rear wheels are placed on the wheel stop;

[0038] 2. The reading mechanism is placed beside the car, and the position is as close to the car body as possible without affecting the moving parts; according to the prompt of the liquid level gauge thereon, the supporting bolt 41 is adjusted to balance the indicating disc 2;

[0039] 3. The laser pointer 31 is powered on, and the laser lamp head is rotated to make the "I" shaped light perpendicular to the horizontal line and irradiate forward;

[0040] 4. The follow-up ruler 1 is hung on the tire, the distance between the two ruler bodies 11 is adjusted to make the elastic top blocks 13 tightly abut on the rims, and the fixing is completed according to the prompt of the liquid level gauge thereon after the adjustment of the level; at this time, the light of the laser pointer 31 intersects with the ruler body 11 to form a projection, the laser projection scale of the two ruler bodies 11 is observed, and when the scale deviation is less than 2mm, it can be determined that the laser is parallel to the direction of the tire;

[0041] 5. According to the design requirement, the direction of the laser on the auxiliary device is adjusted (such as 40°); after the adjustment is completed, the tire can be controlled to turn, and when the scale deviation of the ruler body 11 of the follow-up ruler is less than 2mm again, it can be considered that the direction of the tire is parallel to the direction of the laser pointer 31 again; at this time, the turning angle of the tire reaches the design requirement, and the turning angle adjustment of the tire is completed.

[0042] It can be understood that the present application is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present application. In addition, under the guidance of the present application, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the present application. Therefore, the present application is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope of protection of the present application.

Claims

1. A tire steering angle adjustment auxiliary device, characterized in that, The application relates to a tire rotation angle measuring device, which comprises a following-up ruler (1) and a reading mechanism; the following-up ruler (1) is horizontally installed on a tire and rotates with the tire, and the following-up ruler (1) comprises a ruler body (11) arranged along the radial direction of the tire; the reading mechanism comprises an indicating disc (2), and a sighting device (3) is rotationally connected to the indicating disc (2) and used for aiming at the ruler body (11) so that the sighting device (3) and the ruler body (11) are perpendicular to each other; an angle of rotation scale is arranged on the indicating disc (2) and used for reading the angle of rotation of the sighting device (3), i.e. the rotation angle of the tire. The support plate (4) is fixed to the support column (5); the support column (5) comprises a lower rod and an upper rod sleeved in the lower rod, and the support column (5) is telescopic by sliding the upper rod along the lower rod; The indicating disc (2) is arranged on the support plate (4) through a support bolt (41), the support bolt (41) is bolted to the support plate (4) and rotationally connected to the indicating disc (2); and a liquid level instrument is arranged on the indicating disc (2); The following-up ruler (1) further comprises a ruler sliding rail (12) fixed to the tire; the ruler body (11) is slidingly connected to the ruler sliding rail (12) in a one-above-the-other mode, and the ruler body (11) is bolted to a limiting bolt; the limiting bolt and the ruler sliding rail (12) abut to fix the ruler body (11); The ruler body (11) is fixed with elastic top blocks (13) at the roots, and the two elastic top blocks (13) abut on the rim respectively; The ruler body (11) is provided with at least two ruler bodies (11) arranged in parallel to each other, and the sighting device (3) aims at the same position of each ruler body (11) so that the sighting device (3) and the ruler body (11) are arranged in perpendicular to each other; The ruler body (11) is provided with a length scale, and when the deviation of the light rays projected on the corresponding scales of the two ruler bodies (11) is less than 2mm, the sighting device (3) and the ruler body (11) are arranged in perpendicular to each other.

2. The tire corner alignment aid of claim 1, wherein, The sighting device (3) comprises a laser pointer (31), and the light rays generated by the laser pointer (31) intersect with the ruler body (11) to form a projection.

3. The tire corner alignment aid of claim 2, wherein, The sighting device (3) further comprises a rotating seat (32), the rotating seat (32) is rotationally connected to the indicating disc (2) through a vertical rotating shaft, and the laser pointer (31) is rotationally connected to the rotating seat (32) through a horizontal rotating shaft.

4. The tire corner alignment aid of claim 1, wherein, The zero scale of the angle of rotation scale is the same as the direction of the straight tire.

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