Comprehensive measuring tool for left steering knuckle arm

Abstract

The utility model discloses a comprehensive measuring tool for a left steering knuckle arm, which is characterized in that the comprehensive measuring tool comprises a bottom plate, a positioning mandrel is arranged on the bottom plate, a positioning bolt hole is arranged on the bottom plate, a positioning bolt is arranged in the positioning bolt hole in a matched manner, a pressing plate is arranged above the positioning mandrel, and a positioning bolt is arranged on the pressing plate. One end of the top of the bottom plate is provided with a first measuring seat, the other end of the top of the bottom plate is provided with a second measuring seat, one side of the middle part of the top surface of the bottom plate is provided with a third measuring seat, a fourth measuring seat and a fifth measuring seat, and each measuring seat is provided with a bolt and an end surface position detection block. The beneficial effects are that the left steering knuckle arm is positioned through the positioning mandrel and the positioning bolt, the left steering knuckle arm is clamped through the pressing plate, hole position degree detection is performed through the bolt arranged on the measuring seat, and the size is detected through the end face position detection block, so that the left steering knuckle arm detection tool is simple in operation and rapid in detection, greatly improves the detection efficiency, and reduces the detection cost. The method is suitable for rapid detection in a batch production process.

Description

Technical Field

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

[0002] The steering arm is an important part of the automobile steering system. It is used together with the steering wheel and steering rod to control the steering angle of the steering wheel; support the total mass of the automobile; convert the torque from the transmission system into the driving force for the automobile to move; withstand and transmit various reaction forces and moments of the road on the wheels; reduce vibration and buffer to ensure the smooth driving of the automobile; and cooperate with the steering system to correctly control the driving direction of the automobile.

[0003] The steering arm has high assembly accuracy requirements. After processing, it is necessary to conduct comprehensive inspections on the position and size of the steering knuckle connection hole at the large end, the tie rod connection hole at the small end, and the limit holes in the middle and bottom. Generally, a three-coordinate measuring machine is used for inspection. The inspection has high accuracy, but the operation is complicated, the inspection is time-consuming, and the inspection efficiency is low, which cannot meet the rapid inspection requirements in the mass production process. Summary of the invention

[0004] In view of the deficiencies in the above-mentioned prior art, the utility model provides a left steering knuckle arm comprehensive measuring tool, which has a simple structure, is easy to operate, has a low manufacturing cost, and can detect the position of all hole positions and mounting surfaces of the left steering knuckle arm.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A left steering knuckle arm comprehensive measuring tool, characterized in that it includes a base plate, a positioning core shaft is arranged on the base plate, a positioning pin hole is provided on the base plate, a positioning pin is arranged in the positioning pin hole, a pressure plate is arranged above the positioning core shaft, a first measuring seat is arranged at one end of the top of the base plate, a first bushing is arranged on the first measuring seat, a first pin is slidably arranged on the first bushing, a first cone sleeve is connected to the front end of the first pin, a first end face position detection block is movably arranged on the end of the first bushing, a second measuring seat is arranged at the other end of the top of the base plate, a second pin is slidably arranged on the second measuring seat, a push rod is connected to the front end of the second pin, and a first Two end face position detection blocks, a third end face position detection block is arranged on the second measuring seat in parallel with the lower side of the second pin, a third measuring seat, a fourth measuring seat and a fifth measuring seat are arranged on one side of the middle part of the top surface of the bottom plate, the third measuring seat is horizontally arranged with a second bushing, a third pin is slidably arranged in the second bushing, the fourth measuring seat is arranged with a third bushing, a fourth pin is slidably arranged in the third bushing, a second cone sleeve is connected to the front end of the fourth pin, a fourth end face position detection block is movably arranged at the end of the third bushing, a horizontally arranged fourth bushing is arranged on the fifth measuring seat, a fifth pin is slidably arranged in the fourth bushing, and a fifth end face position detection block is arranged on the end face of the fourth bushing.

[0007] Furthermore, the angle between the axial direction of the first bushing and the top surface of the base plate is 8.5°.

[0008] Furthermore, the angle between the axial direction of the second latch and the top surface of the bottom plate is 9.8°.

[0009] Furthermore, an elastic support seat is arranged on the bottom plate, and an elastic support pin for horizontally supporting the left steering knuckle arm is arranged on the elastic support seat.

[0010] Furthermore, the angle between the axial direction of the fourth latch and the top surface of the bottom plate is 3°.

[0011] Furthermore, a locking bolt is arranged on the top of the positioning spindle, a butterfly nut is arranged on the locking bolt, a notch is arranged on the pressure plate, the locking bolt is inserted into the pressure plate, and the pressure plate is pressed by the butterfly nut.

[0012] Furthermore, supporting feet are provided at four corners of the bottom surface of the bottom plate.

[0013] The beneficial effects of the utility model include: positioning the left steering knuckle arm by means of a positioning mandrel and a positioning pin, clamping by means of a pressure plate, and then detecting the hole position by means of a pin arranged on a measuring seat and detecting the size by means of an end face position detection block. The utility model has simple operation and quick detection, which greatly improves the detection efficiency and is suitable for rapid detection in mass production processes. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a top view of the utility model. 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 1-2 The left steering knuckle arm comprehensive measuring tool shown includes a base plate 1, and the four corners of the bottom surface of the base plate 1 are provided with supporting feet 26. A positioning mandrel 2 is provided on the base plate 1 for locating the center hole of the left steering knuckle arm. A positioning pin hole is provided on the base plate 1, and a bushing is provided in the pin hole, and a positioning pin 3 is provided in cooperation with the bushing, thereby completely positioning the left steering knuckle arm. A pressing plate 4 is provided above the positioning mandrel 2 for pressing the left steering knuckle arm. An elastic support seat 30 is provided on the base plate 1, and an elastic support pin 31 for horizontally supporting the left steering knuckle arm is provided on the elastic support seat 30.

[0018] A first measuring seat 5 is provided at one end of the top of the bottom plate 1, a first bushing 6 is provided on the first measuring seat 5, a first latch 7 is provided on the first bushing 6 in a sliding fit, and the angle between the axis direction of the first bushing 6 and the top surface of the bottom plate 1 is 8.5°. A first cone sleeve 8 is connected to the front end of the first latch 7, and the first cone sleeve 8 is inserted into the hole to be tested during the test, and then the first latch 7 is moved to determine whether the first latch 7 can be accurately inserted into the center hole of the first cone sleeve 8, thereby determining whether the position of the oblique hole at the large end of the left steering arm meets the requirements.

[0019] A first end surface position detection block 9 is movably provided at the end of the first bushing 6. Whether the size of the end surface is qualified is determined by inserting the first end surface position detection block 9 into the end surface of the first bushing 6 and the large end surface of the left steering knuckle arm.

[0020] A second measuring seat 10 is provided at the other end of the top of the bottom plate 1. A second latch 11 is provided on the second measuring seat 10 in a sliding fit. A push rod 12 is connected to the front end of the second latch 11. The angle between the axis direction of the second latch 11 and the top surface of the bottom plate 1 is 9.8°. The second latch 11 is inserted into the oblique hole at the small end of the left steering arm to determine whether the position of the hole meets the requirements. The push rod 12 is used to connect to the front end of the second latch 11 to facilitate the movement of the second latch 11.

[0021] A second end face position detection block 13 is provided at the inner end of the second measuring seat 10. By inserting the second end face position detection block 13 into the gap between the end face of the second measuring seat 10 and the end face of the small end of the left steering knuckle arm, it is determined whether the end face size of the small end of the left steering knuckle arm meets the requirements.

[0022] A third end surface position detection block 14 is arranged on the second measuring seat 10 in parallel with and below the second latch pin 11. The third end surface position detection block 14 is slidably arranged on the second measuring seat 10. By sliding the third end surface position detection block 14, it is judged whether it is successfully inserted into the gap of the small end of the left steering knuckle arm to judge whether the size requirements are met.

[0023] A third measuring seat 15, a fourth measuring seat 16, and a fifth measuring seat 17 are arranged on one side of the middle of the top surface of the bottom plate 1. The third measuring seat 15 is horizontally arranged with a second bushing 18, and a third latch 19 is slidably arranged in the second bushing 18. The third latch 19 is inserted into the second bushing 18 and judged whether the position of the hole meets the requirements by judging whether it is accurately extended into the hole on the side of the left steering knuckle arm.

[0024] The fourth measuring seat 16 is provided with a third bushing 20, and a fourth latch 21 is provided in a sliding fit in the third bushing 20, and the angle between the axis direction of the fourth latch 2 and the top surface of the bottom plate 1 is 3°. The front end of the fourth latch 21 is connected to the second cone sleeve 23. During the test, the fourth latch 21 is first inserted into the third bushing 20, and then the second cone sleeve 23 is pre-installed into the oblique hole on the left steering knuckle arm support arm, and then the fourth latch is moved forward to determine whether the fourth latch 21 is successfully inserted into the center hole of the second cone sleeve 23 to determine whether the position of the oblique hole on the left steering knuckle arm support arm meets the requirements.

[0025] The end of the third bushing 20 is movably provided with a fourth end surface position detection block 22. By inserting the fourth end surface position detection block 22 into the gap between the end surface of the third bushing 20 and the end surface of the workpiece, it is determined whether the end surface size meets the requirements.

[0026] The fifth measuring seat 17 is provided with a fourth bushing 27 arranged horizontally, a fifth latch 28 is provided in the fourth bushing 27 in a sliding fit, and a fifth end face position detection block 29 is provided on the end face of the fourth bushing 27. Similarly, during the detection, the fifth latch 28 is moved and inserted into the horizontal hole position on the side of the left steering knuckle arm to determine whether the position of the hole meets the requirements, and the fifth end face position detection block 29 is inserted into the gap between the end face of the fourth bushing 27 and the end face of the workpiece to determine whether the end face size of the hole meets the installation requirements.

[0027] To facilitate the positioning and clamping of the left steering knuckle arm, a locking bolt 24 is provided on the top of the positioning spindle 2 in this embodiment, and a butterfly nut 25 is provided on the locking bolt 24. A notch is provided on the pressure plate 4, and the locking bolt 24 is inserted into the notch, and the pressure plate 4 is pressed by the butterfly nut 25.

[0028] 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 measuring tool for left knuckle arm, Features: The invention comprises a bottom plate (1), a positioning mandrel (2) is arranged on the bottom plate (1), a positioning pin hole is provided on the bottom plate (1), a positioning pin (3) is arranged in the positioning pin hole, a pressing plate (4) is arranged above the positioning mandrel (2), a first measuring seat (5) is arranged at one end of the top of the bottom plate (1), a first bushing (6) is arranged on the first measuring seat (5), a first pin (7) is arranged on the first bushing (6) in a sliding manner, and the first pin (7) is arranged ) is connected to a first cone sleeve (8) at its front end, a first end face position detection block (9) is movably provided at the end of the first bushing (6), a second measuring seat (10) is provided at the other end of the top of the base plate (1), a second latch (11) is slidably provided on the second measuring seat (10), a push rod (12) is connected to the front end of the second latch (11), a second end face position detection block (13) is provided at the inner end of the second measuring seat (10), a third end face position detection block (14) is provided on the second measuring seat (10) in parallel with the lower side of the second latch (11), a third measuring seat (15), a fourth measuring seat (16) and a fifth measuring seat (17) are provided on one side of the middle part of the top surface of the base plate (1), a second bushing (18) is horizontally arranged on the third measuring seat (15), a third latch (19) is slidably provided in the second bushing (18), a third bushing (20) is provided on the fourth measuring seat (16), and the third bushing ( A fourth latch (21) is slidably provided in the inner part of the third measuring seat (17), a front end of the fourth latch (21) is connected to a second cone sleeve (23), a fourth end face position detection block (22) is movably provided at the end of the third bushing (20), a fourth bushing (27) arranged horizontally is provided on the fifth measuring seat (17), a fifth latch (28) is slidably provided in the inner part of the fourth bushing (27), and a fifth end face position detection block (29) is provided on the end face of the fourth bushing (27).

2. A comprehensive measuring tool for left steering knuckle arm according to claim 1, Features: The angle between the axial direction of the first bushing (6) and the top surface of the base plate (1) is 8.5°.

3. A left knuckle arm comprehensive measuring tool according to claim 1, Features: The angle between the axial direction of the second latch pin (11) and the top surface of the bottom plate (1) is 9.8°.

4. A left knuckle arm comprehensive measuring tool according to claim 1, Features: An elastic support seat (30) is arranged on the bottom plate (1), and an elastic support pin (31) for horizontally supporting the left steering knuckle arm is arranged on the elastic support seat (30).

5. A left knuckle arm comprehensive measuring tool according to claim 1, Features: The angle between the axis direction of the fourth latch pin (21) and the top surface of the bottom plate (1) is 3°.

6. A left knuckle arm comprehensive measuring tool according to claim 1, Features: A locking bolt (24) is arranged at the top of the positioning spindle (2), and a butterfly nut (25) is arranged on the locking bolt (24). The pressure plate (4) has a notch, which is inserted into the locking bolt (24) and the pressure plate (4) is tightened by the butterfly nut (25).

7. A comprehensive measuring tool for left steering knuckle arm according to claim 1, Features: Support feet (26) are provided at the four corners of the bottom surface of the bottom plate (1).

Images