Four-wheel positioning and adjusting table for automobile chassis

Abstract

The utility model discloses an automobile chassis four-wheel positioning adjusting table which comprises two climbing plates, the tops of the two climbing plates are provided with mounting grooves, and the inner walls of the mounting grooves are fixedly connected with positioning assemblies. The positioning assembly comprises a telescopic rod, the surface of the telescopic rod is movably sleeved with a reset spring, the top end of the telescopic rod is fixedly connected with a bearing plate, and the front side and the rear side of the bearing plate are fixedly connected with first rack plates. The positioning assembly is additionally arranged on the climbing plate, after an automobile is driven into the mounting groove through the slope of the climbing plate, automobile tires downwards extrude the bearing plate, the telescopic rod and the reset spring are extruded and shrunk, the first rack plate moves downwards along with the bearing plate, and due to the fact that the rotating gear is meshed with the first rack plate and the second rack plate, the bearing plate moves downwards. And when the rotating gear rotates through the rotating shaft, the second rack plate moves upwards in the limiting groove, so that the tire is limited.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile maintenance, in particular to a four-wheel alignment adjustment platform for an automobile chassis. Background Art

[0002] After the replacement and repair of the lower arm of the automobile suspension, the automobile tire needs to be positioned. When positioning the tire, a four-wheel aligner is mostly used. The four-wheel aligner is used to detect the automobile wheel alignment parameters and compare them with the original design parameters to guide the user to make corresponding adjustments to the wheel alignment parameters to make them meet the original design requirements and achieve ideal automobile driving performance.

[0003] When using a four-wheel aligner to locate a tire, the positioning effect is mainly achieved by clamping the tire in the positioning groove on the climbing board. To ensure that the tire can be moved out of the positioning groove after the inspection is completed, the depth of the positioning groove should not be too deep, which results in a poor fixing effect of the positioning groove on the tire, and there is a certain risk when performing inspections. Utility Model Content

[0004] The utility model aims to provide a four-wheel alignment adjustment platform for an automobile chassis to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-wheel alignment and adjustment platform for a vehicle chassis, comprising a climbing plate, wherein two climbing plates are provided, and mounting grooves are provided on the tops of the two climbing plates, and a positioning assembly is fixedly connected to the inner wall of the mounting groove; the positioning assembly comprises a telescopic rod, a return spring is movably sleeved on the surface of the telescopic rod, a bearing plate is fixedly connected to the top of the telescopic rod, a first rack plate is fixedly connected to the front and rear sides of the bearing plate, a rotating gear is meshed on the surface of the first rack plate, a rotating shaft is rotatably connected to the inner wall of the rotating gear, a second rack plate is meshed on the side of the rotating gear away from the first rack plate, and a limiting groove is provided on the top of the climbing plate.

[0006] As a further preferred embodiment of the present technical solution, there are four telescopic rods, the four telescopic rods are composed of two sleeve rods, the first rack plate and the second rack plate are both located inside the limiting groove, and the rotating shaft is fixedly connected to the climbing plate.

[0007] As a further preferred embodiment of the present technical solution, a base is movably installed at the bottom end of the climbing plate, a guide groove is provided on the top of the base, a positioning groove is provided on the inner wall of the guide groove, a convex block is clamped inside the positioning groove, and a movable plate is fixedly connected to the top of the convex block.

[0008] As a further preferred embodiment of the present technical solution, there are four guide grooves, which are distributed at the four corners of the base; there are multiple convex ridge blocks, which are hemispherical in shape; the movable plate is located inside the guide groove, and the movable plate is fixedly connected to the climbing plate.

[0009] As a further preferred embodiment of the present technical solution, a rotating motor is fixedly connected to the front of the base, a bidirectional screw rod is fixedly connected to the output end of the rotating motor, a bearing is fixedly sleeved on the surface of the bidirectional screw rod, a first sliding block is threadedly connected to the surface of the bidirectional screw rod, and a first sliding groove is opened on the top of the base.

[0010] As a further preferred embodiment of the present technical solution, the bidirectional screw rod passes through the climbing plate and extends to the outside thereof, the bearing is fixedly mounted on the side of the base away from the rotating motor by connecting bolts, the first slider is located inside the first slide groove, and the first slider is fixedly connected to the climbing plate.

[0011] As a further preferred embodiment of the present technical solution, a second slide groove is provided on the top of the base, a slide rod is fixedly connected to the inner wall of the second slide groove, a second slider is slidably connected to the surface of the slide rod, and the second slider is fixedly connected to the climbing board.

[0012] The utility model provides a four-wheel alignment adjustment platform for an automobile chassis, which has the following beneficial effects:

[0013] (1) The utility model adds a positioning component to the climbing plate. After the car passes through the inclined surface of the climbing plate and enters the installation groove, the car tire presses the load-bearing plate downward, and the telescopic rod and the return spring are squeezed and contracted. The first rack plate moves downward with the load-bearing plate. Since the rotating gear is engaged with the first rack plate and the second rack plate, the rotating gear rotates through the rotating shaft, and the second rack plate moves upward in the limiting groove, thereby limiting the tire.

[0014] (2) The utility model starts the rotating motor and the bidirectional screw starts to rotate, so that the two first sliding blocks move in the first sliding groove in the direction away from each other, and the climbing plate moves accordingly, thereby adjusting the distance between the two climbing plates to adapt to the spacing between tires of different sizes. At the same time, the moving plate at the bottom end of the climbing plate drives the convex block to move in the guide groove. When the rotating motor stops working, the convex block is clamped in the positioning groove to prevent the climbing plate from slipping during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the base structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the climbing board of the utility model when viewed from above;

[0018] Figure 4 It is a schematic diagram of the structure of the positioning component of the utility model.

[0019] In the figure: 1. climbing plate; 2. mounting groove; 3. positioning assembly; 301. telescopic rod; 302. return spring; 303. bearing plate; 304. first rack plate; 305. rotating gear; 306. rotating shaft; 307. second rack plate; 308. limiting groove; 4. base; 5. guide groove; 6. positioning groove; 7. convex block; 8. moving plate; 9. rotating motor; 10. bidirectional screw; 11. bearing; 12. first slider; 13. first slide groove; 14. second slide groove; 15. slide rod; 16. second slider. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 and Figure 4 As shown, in the present embodiment, a four-wheel alignment and adjustment platform for a vehicle chassis comprises a climbing plate 1, wherein two climbing plates 1 are provided, a mounting groove 2 is provided on the top of the two climbing plates 1, and a positioning assembly 3 is fixedly connected to the inner wall of the mounting groove 2; the positioning assembly 3 comprises a telescopic rod 301, a return spring 302 is movably sleeved on the surface of the telescopic rod 301, a bearing plate 303 is fixedly connected to the top of the telescopic rod 301, a first rack plate 304 is fixedly connected to the front and rear sides of the bearing plate 303, a rotating gear 305 is meshed on the surface of the first rack plate 304, a rotating gear 305 is rotatably connected to the inner wall of the rotating gear 305, a rotating shaft 306 is rotatably connected to the inner wall of the rotating gear 305, a second rack plate 307 is meshed on the side of the rotating gear 305 away from the first rack plate 304, and a limiting groove 308 is provided on the top of the climbing plate 1.

[0022] There are four telescopic rods 301 , which are composed of two sleeve rods. The first rack plate 304 and the second rack plate 307 are both located inside the limiting groove 308 , and the rotating shaft 306 is fixedly connected to the climbing plate 1 .

[0023] After the car passes through the inclined surface of the climbing plate 1 and enters the installation groove 2, the car tire presses the bearing plate 303 downward, and the telescopic rod 301 and the return spring 302 are squeezed and contracted, and the first rack plate 304 moves downward with the bearing plate 303. Since the rotating gear 305 is engaged with the first rack plate 304 and the second rack plate 307, the rotating gear 305 rotates through the rotating shaft 306, and the second rack plate 307 moves upward in the limiting groove 308, thereby limiting the tire and increasing stability during maintenance.

[0024] A base 4 is movably mounted at the bottom of the climbing board 1, a guide groove 5 is provided on the top of the base 4, a positioning groove 6 is provided on the inner wall of the guide groove 5, a convex block 7 is clamped inside the positioning groove 6, and a movable plate 8 is fixedly connected to the top of the convex block 7.

[0025] There are four guide grooves 5 distributed at the four corners of the base 4 , there are multiple convex ridge blocks 7 , the shape of the multiple convex ridge blocks 7 is hemispherical, the movable plate 8 is located inside the guide groove 5 , and the movable plate 8 is fixedly connected to the climbing plate 1 .

[0026] A rotating motor 9 is fixedly connected to the front of the base 4, a bidirectional screw rod 10 is fixedly connected to the output end of the rotating motor 9, a bearing 11 is fixedly sleeved on the surface of the bidirectional screw rod 10, a first slider 12 is threadedly connected to the surface of the bidirectional screw rod 10, and a first slide groove 13 is opened on the top of the base 4.

[0027] The bidirectional screw rod 10 passes through the climbing board 1 and extends to the outside thereof. The bearing 11 is fixedly mounted on the side of the base 4 away from the rotating motor 9 by connecting bolts. The first slider 12 is located inside the first slide groove 13 , and the first slider 12 is fixedly connected to the climbing board 1 .

[0028] By starting the rotary motor 9, the bidirectional screw rod 10 starts to rotate, so that the two first sliding blocks 12 move in the first sliding groove 13 in the direction away from each other, and the climbing board 1 moves accordingly, thereby adjusting the distance between the two climbing boards 1 to adapt to the spacing between tires of different sizes. At the same time, the moving plate 8 at the bottom end of the climbing board 1 drives the convex block 7 to move in the guide groove 5. When the rotary motor 9 stops working, the convex block 7 is clamped in the positioning groove 6 to prevent the climbing board 1 from slipping during maintenance.

[0029] A second slide groove 14 is provided on the top of the base 4 , a slide rod 15 is fixedly connected to the inner wall of the second slide groove 14 , a second slider 16 is slidably connected to the surface of the slider 15 , and the second slider 16 is fixedly connected to the climbing board 1 .

[0030] The utility model provides a four-wheel alignment adjustment platform for an automobile chassis, and the specific working principle is as follows:

[0031] When in use, the rotating motor 9 is started, and the bidirectional screw rod 10 starts to rotate, so that the two first sliding blocks 12 move in the first sliding groove 13 in the direction away from each other, and the climbing board 1 moves accordingly, thereby adjusting the distance between the two climbing boards 1 to adapt to the spacing between tires of different sizes. At the same time, the moving plate 8 at the bottom end of the climbing board 1 drives the convex block 7 to move in the guide groove 5. When the rotating motor 9 stops working, the convex block 7 is clamped in the positioning groove 6, thereby fixing the position of the climbing board 1. After the distance is adjusted to a suitable level, the vehicle After the vehicle passes through the inclined surface of the climbing plate 1 and enters the installation groove 2, the vehicle tire presses the bearing plate 303 downward, and the telescopic rod 301 and the return spring 302 are squeezed and contracted, and the first rack plate 304 moves downward with the bearing plate 303. Since the rotating gear 305 is engaged with the first rack plate 304 and the second rack plate 307, the rotating gear 305 rotates through the rotating shaft 306, and the second rack plate 307 moves upward in the limiting groove 308, thereby limiting the tire and ensuring stability during maintenance.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-wheel alignment adjustment platform for a vehicle chassis, comprising a climbing plate (1), characterized in that: The number of the climbing plates (1) is two, and the tops of the two climbing plates (1) are provided with mounting grooves (2), and the inner walls of the mounting grooves (2) are fixedly connected with positioning components (3); the positioning components (3) comprise a telescopic rod (301), the surface of the telescopic rod (301) is movably sleeved with a return spring (302), the top of the telescopic rod (301) is fixedly connected with a bearing plate (303), the front and rear sides of the bearing plate (303) are fixedly connected with a first rack plate (304), the surface of the first rack plate (304) is meshed with a rotating gear (305), the inner wall of the rotating gear (305) is rotatably connected with a rotating shaft (306), the side of the rotating gear (305) away from the first rack plate (304) is meshed with a second rack plate (307), and a limiting groove (308) is provided on the top of the climbing plate (1).

2. The automobile chassis four-wheel alignment adjustment platform according to claim 1, characterized in that: The number of the telescopic rods (301) is four, and the four telescopic rods (301) are composed of two sleeve rods. The first rack plate (304) and the second rack plate (307) are both located inside the limiting groove (308), and the rotating shaft (306) is fixedly connected to the climbing plate (1).

3. The automobile chassis four-wheel alignment adjustment platform according to claim 1, characterized in that: A base (4) is movably mounted at the bottom end of the climbing plate (1); a guide groove (5) is provided at the top of the base (4); a positioning groove (6) is provided on the inner wall of the guide groove (5); a convex block (7) is clamped inside the positioning groove (6); and a movable plate (8) is fixedly connected to the top end of the convex block (7).

4. The automobile chassis four-wheel alignment adjustment platform according to claim 3, characterized in that: The number of the guide grooves (5) is four, and the four guide grooves (5) are distributed at the four corners of the base (4). The number of the convex ridge blocks (7) is multiple, and the multiple convex ridge blocks (7) are in a hemispherical shape. The movable plate (8) is located inside the guide groove (5), and the movable plate (8) is fixedly connected to the climbing plate (1).

5. The automobile chassis four-wheel alignment adjustment platform according to claim 3, characterized in that: A rotating motor (9) is fixedly connected to the front of the base (4), a bidirectional screw rod (10) is fixedly connected to the output end of the rotating motor (9), a bearing (11) is fixedly sleeved on the surface of the bidirectional screw rod (10), a first sliding block (12) is threadedly connected to the surface of the bidirectional screw rod (10), and a first sliding groove (13) is provided on the top of the base (4).

6. The automobile chassis four-wheel alignment adjustment platform according to claim 5, characterized in that: The bidirectional screw rod (10) passes through the climbing plate (1) and extends to the outside thereof; the bearing (11) is fixedly mounted on a side of the base (4) away from the rotating motor (9) via connecting bolts; the first sliding block (12) is located inside the first sliding groove (13); and the first sliding block (12) is fixedly connected to the climbing plate (1).

7. The automobile chassis four-wheel alignment adjustment platform according to claim 3, characterized in that: A second slide groove (14) is provided on the top of the base (4); a slide rod (15) is fixedly connected to the inner wall of the second slide groove (14); a second slide block (16) is slidably connected to the surface of the slide rod (15); and the second slide block (16) is fixedly connected to the climbing board (1).

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