Detection tool for automobile steering shaft

Abstract

The utility model relates to the technical field of automobile steering shaft testing fixture tools, and discloses a testing fixture tool for an automobile steering shaft, which comprises an equipment main body, two sides of the outer surface of the upper end of the equipment main body are fixedly connected with electric telescopic rods, and the outer surfaces of the upper ends of the electric telescopic rods are fixedly connected with a mounting rack. A movable fixing block is movably connected to the outer surface of the front end of the mounting frame, a detection head is fixedly mounted on the outer surface of the lower end of the movable fixing block, and a first adjusting positioning block and a second adjusting positioning block are movably connected to the outer surface of the upper end of the equipment body. According to the steering shaft detection device, the driving motor can be started to enable the rotating connecting rod to drive the driving gear to rotate, the driving gear is meshed with the circular tooth block, so that a group of rotating rings are driven to rotate, the steering shaft can rotate, the detection head can conveniently detect the steering shaft in all aspects, the detection device is relatively convenient, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a checking tool for an automobile steering shaft, in particular to a checking tool for an automobile steering shaft. Background Art

[0002] The automobile steering shaft is a key component in the automobile steering system. Its main function is to transmit the steering torque applied by the driver through the steering wheel to the steering gear. The upper part of the steering shaft is fixedly connected to the steering wheel, and the lower part is connected to the steering gear, thus forming a complete force transmission path. The steering shaft passes through the steering column tube and is supported on the bearings and bushings in the column tube, ensuring the smoothness and stability of its movement. During the production process, the automobile steering shaft needs to be tested using a gauge to determine whether it meets the standards.

[0003] However, it still has some disadvantages. For example, when testing the steering shaft of a car, it is necessary to first fix the steering shaft of the car on a testing table. Since the steering shaft of the car is cylindrical, it is not convenient to rotate the steering shaft of the car during testing, and manual adjustment is required, which reduces the efficiency of the test.

[0004] In order to solve the above problems, the present application proposes a checking fixture for an automobile steering shaft. Utility Model Content

[0005] The utility model aims to provide a checking fixture for an automobile steering shaft, so as to solve the problem that it is inconvenient to fix and rotate the automobile steering shaft in the prior art proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of inspection fixture for automobile steering shaft, comprising an equipment main body, electric telescopic rods are fixedly connected to both sides of the upper outer surface of the equipment main body, the upper outer surface of the electric telescopic rods is fixedly connected to a mounting frame, the front end outer surface of the mounting frame is movably connected to a movable fixed block, the lower end outer surface of the movable fixed block is fixedly installed with a detection head, and the upper outer surface of the equipment main body is movably connected to a first adjustment positioning block and a second adjustment positioning block.

[0007] Preferably, a groove is provided on the outer surface of the upper end of the device body, a servo motor is fixedly connected to the outer surface of one side of the device body, one end outer surface of the servo motor is movably connected with a left-handed thread, the other end outer surface of the left-handed thread is movably connected to the outer surface of one side of the inner wall of the groove, and movable connecting blocks are threadedly connected to the outer surfaces of the left-handed thread at both ends of the outer walls, and the upper end outer surfaces of the two groups of movable connecting blocks are respectively fixedly connected with a first adjusting positioning block and a second adjusting positioning block.

[0008] Preferably, a circular through groove is formed on one side outer surface of the first adjustment and positioning block and the second adjustment and positioning block and passes through the circular through groove, and a rotating circle is movably connected to the inner wall of the circular through groove.

[0009] Preferably, a telescopic rod is fixedly connected to the upper end of the inner wall of the rotating circle, a positioning arc block is fixedly connected to the outer surface of the lower end of the telescopic rod, a compression spring is sleeved on the outer wall of the telescopic rod, and an anti-slip pad is fixedly connected between the rotating circle and the inner wall of the positioning arc block.

[0010] Preferably, the rotating circles are in two groups, and a circular gear block is fixedly connected to the outer surface of one side of the rotating circles of one group.

[0011] Preferably, the upper end outer surface of the No. 2 adjustment positioning block is fixedly connected to a driving motor, the outer surface of one end of the driving motor is movably connected to a rotating connecting rod, the outer surface of the other end of the rotating connecting rod is fixedly connected to a driving gear, the driving gear is meshed with a circular gear block, and a transmission is installed between the driving gear and the driving motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can fix the steering shaft of the automobile by means of the telescopic rod and the compression spring, insert the two ends of the steering shaft between the two groups of rotating circles, and the positioning arc block clamps the steering shaft under the action of the telescopic rod and the compression spring. By starting the servo motor to rotate the left and right screw threads, the distance between the first adjusting positioning block and the second adjusting positioning block can be adjusted according to the length of the steering shaft to adapt to steering shafts of different lengths. After being fixed, it is detected by the detection head. After the detection of one side of the universal shaft is completed, the driving motor is started to make the rotating connecting rod drive the active gear to rotate. Since the active gear is meshed with the circular tooth block, a group of rotating circles are driven to rotate, so that the steering shaft can be rotated, and the detection head can be conveniently detected on all aspects of the steering shaft, which is more convenient and improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a checking tool for an automobile steering shaft according to the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the equipment body in a checking tool for an automobile steering shaft according to the utility model;

[0016] Figure 3 This is a structural disassembly diagram of a No. 1 adjusting and positioning block in a checking tool for an automobile steering shaft of the utility model;

[0017] Figure 4 The utility model is a structural disassembly diagram of a No. 2 adjusting and positioning block in a checking tool for an automobile steering shaft.

[0018] In the figure: 1. Equipment body; 2. Electric telescopic rod; 3. Mounting frame; 4. Mobile fixed block; 5. Detection head; 6. No. 1 adjustment positioning block; 7. No. 2 adjustment positioning block; 8. Groove; 9. Servo motor; 10. Left and right thread; 11. Mobile connecting block; 12. Circular through groove; 13. Rotating circle; 14. Telescopic rod; 15. Compression spring; 16. Positioning arc block; 17. Anti-skid pad; 18. Circular gear block; 19. Driving motor; 20. Rotating connecting rod; 21. Driving gear. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-Figure 2 The utility model provides a technical solution: a kind of inspection tool for automobile steering shaft, including a device body 1, electric telescopic rods 2 are fixedly connected to both sides of the upper outer surface of the device body 1, the upper outer surface of the electric telescopic rod 2 is fixedly connected to a mounting frame 3, the front end outer surface of the mounting frame 3 is movably connected to a movable fixed block 4, the lower outer surface of the movable fixed block 4 is fixedly installed with a detection head 5, the upper outer surface of the device body 1 is movably connected to a first adjustment positioning block 6 and a second adjustment positioning block 7, a groove 8 is opened on the upper outer surface of the device body 1, and one side of the outer surface of the device body 1 is fixedly connected A servo motor 9 is connected, and a left-right thread 10 is movably connected to the outer surface of one end of the servo motor 9, and the outer surface of the other end of the left-right thread 10 is movably connected to the outer surface of one side of the inner wall of the groove 8, and both ends of the outer walls of the left-right thread 10 are threadedly connected with movable connecting blocks 11, and the upper end outer surfaces of the two groups of movable connecting blocks 11 are respectively fixedly connected with a first adjusting positioning block 6 and a second adjusting positioning block 7. By starting the servo motor 9 to rotate the left-right thread 10, the distance between the first adjusting positioning block 6 and the second adjusting positioning block 7 can be adjusted according to the length of the steering shaft to adapt to steering shafts of different lengths.

[0021] In this embodiment, Figure 3 As shown, a circular through groove 12 is provided on the outer surface of one side of the No. 1 adjustment positioning block 6 and the No. 2 adjustment positioning block 7, and the inner wall of the circular through groove 12 is movably connected with a rotating circle 13, and a telescopic rod 14 is fixedly connected to the upper end of the inner wall of the rotating circle 13, and a positioning arc block 16 is fixedly connected to the outer surface of the lower end of the telescopic rod 14, and a compression spring 15 is sleeved on the outer wall of the telescopic rod 14, and an anti-skid pad 17 is fixedly connected to the inner wall of the rotating circle 13 and the positioning arc block 16. Under the action of the telescopic rod 14 and the compression spring 15, the positioning arc block 16 clamps the steering shaft inside the rotating circle 13, and the anti-skid pad 17 can prevent the steering shaft from sliding.

[0022] In this embodiment, Figure 4 As shown, the rotating circles 13 are divided into two groups, one side outer surface of one rotating circle 13 is fixedly connected with a circular tooth block 18, the upper end outer surface of the second adjusting and positioning block 7 is fixedly connected with a driving motor 19, one end outer surface of the driving motor 19 is movably connected with a rotating connecting rod 20, and the other end outer surface of the rotating connecting rod 20 is fixedly connected with a driving gear 21, the driving gear 21 is meshed with the circular tooth block 18, and a transmission is installed between the driving gear 21 and the driving motor 19. By starting the driving motor 19, the rotating connecting rod 20 drives the driving gear 21 to rotate. Since the driving gear 21 is meshed with the circular tooth block 18, a group of rotating circles 13 is driven to rotate, so that the steering shaft can be rotated, which can facilitate the detection head 5 to detect all aspects of the steering shaft, which is more convenient and improves the detection efficiency.

[0023] Working principle:

[0024] When using a checking fixture for a steering shaft of an automobile, first fix the steering shaft of the automobile, and insert the two ends of the steering shaft into the rotating circles 13 of the inner walls of the first adjusting and positioning block 6 and the second adjusting and positioning block 7 respectively. At this time, the positioning arc block 16 is squeezed and clamped to the outer wall of the steering shaft of the automobile under the action of the telescopic rod 14 and the compression spring 15. The anti-skid pad 17 can prevent the steering shaft from sliding inside the rotating circle 13. By starting the servo motor 9 to rotate the left and right screw threads 10, the distance between the first adjusting and positioning block 6 and the second adjusting and positioning block 7 can be adjusted according to the length of the steering shaft to adapt to different lengths. After the steering shaft is fixed, it can be inspected by the detection head 5. After the detection of one side of the universal shaft is completed, the driving motor 19 is started to make the rotating connecting rod 20 drive the driving gear 21 to rotate. Since the driving gear 21 is engaged with the circular gear block 18, a group of rotating circles 13 are driven to rotate, so that the steering shaft can be rotated, which can facilitate the detection head 5 to detect all aspects of the steering shaft, which is more convenient and improves the detection efficiency. A transmission is installed between the driving motor 19 and the driving gear 21, which can adjust the rotation speed of the steering shaft, so that better detection can be performed.

[0025] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A checking fixture for automobile steering shaft, comprising a device body (1), characterized in that: Electric telescopic rods (2) are fixedly connected to both sides of the upper outer surface of the device body (1); a mounting frame (3) is fixedly connected to the upper outer surface of the electric telescopic rod (2); a movable fixed block (4) is movably connected to the front outer surface of the mounting frame (3); a detection head (5) is fixedly mounted on the lower outer surface of the movable fixed block (4); and a first adjusting positioning block (6) and a second adjusting positioning block (7) are movably connected to the upper outer surface of the device body (1).

2. The inspection tool for automobile steering shaft according to claim 1, characterized in that: A groove (8) is provided on the outer surface of the upper end of the device body (1); a servo motor (9) is fixedly connected to the outer surface of one side of the device body (1); a left-handed thread (10) is movably connected to the outer surface of one end of the servo motor (9); the outer surface of the other end of the left-handed thread (10) is movably connected to the outer surface of one side of the inner wall of the groove (8); both ends of the outer wall of the left-handed thread (10) are threadedly connected to movable connection blocks (11); and the upper outer surfaces of the two groups of movable connection blocks (11) are respectively fixedly connected to a first adjustment positioning block (6) and a second adjustment positioning block (7).

3. The inspection tool for automobile steering shaft according to claim 2, characterized in that: A circular through groove (12) is formed on one side of the outer surface of the first adjusting and positioning block (6) and the second adjusting and positioning block (7), and the inner wall of the circular through groove (12) is movably connected with a rotating circle (13).

4. The inspection tool for automobile steering shaft according to claim 3, characterized in that: The upper end of the inner wall of the rotating circle (13) is fixedly connected to a telescopic rod (14), the outer surface of the lower end of the telescopic rod (14) is fixedly connected to a positioning arc block (16), the outer wall of the telescopic rod (14) is sleeved with a compression spring (15), and the inner wall of the rotating circle (13) and the positioning arc block (16) are fixedly connected to an anti-slip pad (17).

5. The inspection tool for automobile steering shaft according to claim 4, characterized in that: The rotating circles (13) are divided into two groups, and a circular tooth block (18) is fixedly connected to the outer surface of one side of the rotating circles (13) of one group.

6. The inspection tool for automobile steering shaft according to claim 3, characterized in that: The outer surface of the upper end of the second adjustment positioning block (7) is fixedly connected to a driving motor (19), the outer surface of one end of the driving motor (19) is movably connected to a rotating connecting rod (20), the outer surface of the other end of the rotating connecting rod (20) is fixedly connected to a driving gear (21), the driving gear (21) is meshed with the circular gear block (18), and a transmission is installed between the driving gear (21) and the driving motor (19).

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