Comprehensive detection tool for position degree of left steering knuckle

Abstract

The utility model discloses a left steering knuckle position degree comprehensive testing fixture, which is characterized in that the testing fixture comprises a bottom plate, a mandrel and two support hole seats, the mandrel is arranged in the middle of the bottom plate, the two support hole seats are arranged on the bottom plate and correspond to support holes on a left steering knuckle in position, and the mandrel is arranged on the bottom plate and corresponds to the support holes on the left steering knuckle in position. Wherein one support hole seat is provided with a support hole positioning bolt, the other support hole seat is provided with a support inspection bolt, and the bottom plate is provided with a support hole end face height standard rod. The bottom plate is provided with two parallel kingpin screw hole location degree detection mechanisms, a steering hole location degree detection mechanism, an ABS hole location degree detection mechanism and a damping hole location degree detection mechanism. The beneficial effects of the utility model are that clamping is convenient, positioning precision is high, detection efficiency is high, detection accuracy is high, and unqualified products can be rapidly screened out, and position degree detection of all hole sites on the left steering knuckle can be realized through one-time clamping.

Description

Technical Field

[0001] The utility model relates to the field of inspection tools, in particular to a comprehensive inspection tool for the position of a left steering knuckle. Background Art

[0002] The steering knuckle is one of the main parts on the steering axle of a car. It can make the car run stably and sensitively transmit the driving direction. The function of the steering knuckle is to bear the load in front of the car, support and drive the front wheel to rotate around the kingpin to steer the car. When the car is in motion, it is subjected to variable impact loads. Therefore, higher requirements are placed on its accuracy during the production process. If it is difficult to ensure precise measurement, it will inevitably affect the handling performance of the car and even bring safety hazards. In the prior art, due to the complex structure, special shape and relatively large spatial dimensions of the steering knuckle, there is a lack of corresponding detection tools to determine whether the position requirements during assembly are met after casting, rough machining and fine machining. Summary of the invention

[0003] In view of the deficiencies in the above-mentioned prior art, the utility model provides a comprehensive inspection tool for the position of a left steering knuckle, which is used to inspect all positions under a simulated assembly state, thereby significantly improving the inspection efficiency and inspection accuracy.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A left steering knuckle position comprehensive inspection tool, characterized in that it includes a base plate, a core shaft, and a bracket hole seat, the core shaft is arranged in the middle of the base plate, the number of the bracket hole seats is two, the two bracket hole seats are arranged on the base plate and correspond to the bracket hole positions on the left steering knuckle, one of the bracket hole seats is provided with a bracket hole positioning pin, the other bracket hole seat is provided with a bracket inspection pin, the base plate is provided with a bracket hole end face height standard rod, and the base plate is provided with two parallel arranged kingpin screw hole position detection mechanisms, a steering hole position detection mechanism, an ABS hole position detection mechanism, and a shock absorber hole position detection mechanism.

[0006] Furthermore, the kingpin screw hole position detection mechanism includes a kingpin screw hole seat arranged on the base plate, the kingpin screw hole seat has a horizontal detection hole, a kingpin screw hole pin is slidingly provided in the detection hole, and a kingpin screw hole bushing is provided between the detection hole and the kingpin screw hole pin.

[0007] Furthermore, the steering hole position detection mechanism includes a steering hole seat arranged on the base plate, the steering hole seat has a steering hole pin movable in the horizontal direction, a steering hole bushing is arranged between the steering hole pin and the steering hole seat, and a steering hole cone sleeve is arranged at the front end of the steering hole pin.

[0008] Furthermore, the steering hole bushing is a flanged bushing, and a steering hole end face feeler gauge is provided between the end face of the flanged bushing and the end face of the steering hole of the left steering knuckle.

[0009] Furthermore, the ABS hole position detection mechanism includes an ABS hole seat arranged on the base plate, the ABS hole seat is provided with a horizontally movable ABS hole pin and an ABS mounting screw hole pin, the axes of the ABS hole pin and the ABS mounting screw hole pin are maintained at the same horizontal height, an ABS hole bushing is arranged between the ABS hole seat and the ABS hole pin, and an ABS mounting screw hole bushing is arranged between the ABS hole seat and the ABS mounting screw hole pin.

[0010] Furthermore, the ABS hole bushing is a flanged bushing, and an ABS hole end face feeler gauge is arranged between the end face of the ABS hole bushing and the end face of the left steering knuckle ABS hole.

[0011] Furthermore, the shock-absorbing hole position detection mechanism includes a shock-absorbing hole seat arranged on the base plate, and two horizontally movable shock-absorbing hole pins are arranged on the shock-absorbing hole seat. The two shock-absorbing hole pins maintain the same horizontal height, and a shock-absorbing hole bushing is arranged between the shock-absorbing hole pin and the shock-absorbing hole seat.

[0012] Furthermore, the shock-absorbing hole bushing is a flanged bushing, and a shock-absorbing hole end face feeler gauge is arranged between the end face of the shock-absorbing hole bushing and the end face of the shock-absorbing hole of the left steering knuckle.

[0013] The beneficial effects of the utility model include: convenient clamping, high positioning accuracy, and the ability to detect the position of all holes on the left steering knuckle in one clamping. It has high detection efficiency and high detection accuracy, and can quickly screen out unqualified products. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure. DETAILED DESCRIPTION

[0016] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0017] A kind of Figure 1-2The left steering knuckle position comprehensive inspection fixture shown in the figure has a positioning structure including a base plate 1, a core shaft 3, and a bracket hole seat 5. The core shaft 3 is arranged in the middle of the base plate 1 to support and position the center hole of the workpiece. There are two bracket hole seats 5, which are arranged on the base plate 1 and correspond to the positions of the bracket holes on the left steering knuckle. One of the bracket hole seats 5 is provided with a bracket hole positioning pin 8 for positioning the left steering knuckle; the other bracket hole seat 5 is provided with a bracket inspection pin 6 for detecting the position of the bracket hole. In addition, a bracket hole end face height standard rod 9 is provided on the base plate 1 to detect the height dimension of the bracket hole end face. The inspection fixture also includes two kingpin screw hole position detection mechanisms arranged in parallel on the base plate 1, a steering hole position detection mechanism, an ABS hole position detection mechanism, and a shock absorber hole position detection mechanism.

[0018] The kingpin screw hole position detection mechanism includes a kingpin screw hole seat 10 arranged on the base plate 1, and the kingpin screw hole seat 10 has a horizontal detection hole, a kingpin screw hole plug pin 11 is slidingly arranged in the detection hole, and a kingpin screw hole bushing 12 is arranged between the detection hole and the kingpin screw hole plug pin 11.

[0019] The steering hole position detection mechanism comprises a steering hole seat 23 arranged on the bottom plate 1, a steering hole plug pin 24 movable in the horizontal direction is provided on the steering hole seat 23, a steering hole bushing 25 is provided between the steering hole plug pin 24 and the steering hole seat 23, and a steering hole taper sleeve 26 is provided at the front end of the steering hole plug pin 24. The steering hole taper sleeve 26 is used to detect the position of the steering hole.

[0020] The steering hole bushing 25 is a flanged bushing, and a steering hole end face feeler gauge 27 is provided between the end face of the flanged bushing and the end face of the steering hole of the left steering knuckle, and the end face size is detected by the steering hole end face feeler gauge 27.

[0021] The ABS hole position detection mechanism includes an ABS hole seat 17 arranged on the base plate 1, and a horizontally movable ABS hole pin 18 and an ABS mounting screw hole pin 21 are arranged on the ABS hole seat 17, and the axes of the ABS hole pin 18 and the ABS mounting screw hole pin 21 are maintained at the same horizontal height, an ABS hole bushing 19 is arranged between the ABS hole seat 17 and the ABS hole pin 18, and an ABS mounting screw hole bushing 22 is arranged between the ABS hole seat 17 and the ABS mounting screw hole pin 21.

[0022] The ABS hole bushing 19 is a flanged bushing, and an ABS hole end face feeler gauge 20 is arranged between the end face of the ABS hole bushing 19 and the end face of the left steering knuckle ABS hole.

[0023] The shock-absorbing hole position detection mechanism includes a shock-absorbing hole seat 13 arranged on the base plate 1, on which are arranged two horizontally movable shock-absorbing hole pins 14, the two shock-absorbing hole pins 14 are kept at the same horizontal height, and a shock-absorbing hole bushing 15 is arranged between the shock-absorbing hole pins 14 and the shock-absorbing hole seat 13.

[0024] The damping hole bushing 15 is a flanged bushing, and a damping hole end face feeler gauge 16 is arranged between the end face of the damping hole bushing 15 and the end face of the damping hole of the left steering knuckle.

[0025] In order to increase the height of the bottom plate and adjust the horizontal state of the bottom plate 1, the four corners of the bottom plate 1 are provided with supporting feet 2, and a pressing plate 28 is provided above the core shaft 3 during clamping to press the left steering knuckle onto the inspection fixture, so that the step surface in the center hole of the left steering knuckle fits well with the top surface of the core shaft 3 during inspection.

[0026] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A comprehensive inspection tool for the position of a left steering knuckle, characterized by: The invention comprises a base plate (1), a core shaft (3), and a bracket hole seat (5), wherein the core shaft (3) is arranged at the middle of the base plate (1), the number of the bracket hole seats (5) is two, the two bracket hole seats (5) are arranged on the base plate (1) and correspond to the positions of the bracket holes on the left steering knuckle, one of the bracket hole seats (5) is provided with a bracket hole positioning pin (8), the other bracket hole seat (5) is provided with a bracket inspection pin (6), the base plate (1) is provided with a bracket hole end face height standard rod (9), and the base plate (1) is provided with two kingpin screw hole position detection mechanisms arranged in parallel, a steering hole position detection mechanism, an ABS hole position detection mechanism, and a shock absorber hole position detection mechanism.

2. A left steering knuckle position comprehensive inspection tool according to claim 1, characterized in that: The kingpin screw hole position detection mechanism comprises a kingpin screw hole seat (10) arranged on the base plate (1), the kingpin screw hole seat (10) having a horizontal detection hole, a kingpin screw hole plug pin (11) being slidably arranged in the detection hole, and a kingpin screw hole bushing (12) being arranged between the detection hole and the kingpin screw hole plug pin (11).

3. A left steering knuckle position comprehensive inspection tool according to claim 1, characterized in that: The steering hole position detection mechanism comprises a steering hole seat (23) arranged on the bottom plate (1), the steering hole seat (23) having a steering hole plug (24) movable in a horizontal direction, a steering hole bushing (25) arranged between the steering hole plug (24) and the steering hole seat (23), and a steering hole cone sleeve (26) arranged at the front end of the steering hole plug (24).

4. A left steering knuckle position comprehensive inspection tool according to claim 3, characterized in that: The steering hole bushing (25) is a flanged bushing, and a steering hole end face feeler gauge (27) is provided between the end face of the flanged bushing and the end face of the steering hole of the left steering knuckle.

5. A left steering knuckle position comprehensive inspection tool according to claim 1, characterized in that: The ABS hole position detection mechanism comprises an ABS hole seat (17) arranged on the base plate (1), the ABS hole seat (17) is provided with a horizontally movable ABS hole plug (18) and an ABS mounting screw hole plug (21), the axes of the ABS hole plug (18) and the ABS mounting screw hole plug (21) are maintained at the same horizontal height, an ABS hole bushing (19) is arranged between the ABS hole seat (17) and the ABS hole plug (18), and an ABS mounting screw hole bushing (22) is arranged between the ABS hole seat (17) and the ABS mounting screw hole plug (21).

6. A left steering knuckle position comprehensive inspection tool according to claim 5, characterized in that: The ABS hole bushing (19) is a flanged bushing, and an ABS hole end face feeler gauge (20) is provided between the end face of the ABS hole bushing (19) and the end face of the ABS hole of the left steering knuckle.

7. A left steering knuckle position comprehensive inspection tool according to claim 1, characterized in that: The shock-absorbing hole position detection mechanism comprises a shock-absorbing hole seat (13) arranged on the bottom plate (1), the shock-absorbing hole seat (13) being provided with two horizontally movable shock-absorbing hole plugs (14), the two shock-absorbing hole plugs (14) being maintained at the same horizontal height, and a shock-absorbing hole bushing (15) being provided between the shock-absorbing hole plugs (14) and the shock-absorbing hole seat (13).

8. A left steering knuckle position comprehensive inspection tool according to claim 7, characterized in that: The shock-absorbing hole bushing (15) is a flanged bushing, and a shock-absorbing hole end face feeler gauge (16) is provided between the end face of the shock-absorbing hole bushing (15) and the end face of the left steering knuckle shock-absorbing hole.

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