Center hole gauge for knuckle

Abstract

The application discloses a steering knuckle center hole testing fixture and belongs to the technical field of steering knuckle testing fixtures. The testing fixture comprises a testing table, a vertical plate fixedly arranged on the top of the testing table, and a connecting column fixedly arranged on the outer side of the vertical plate. A lower center column is detachably arranged on the top of the testing table. An upper center column is slidably arranged on the top of the lower center column, and the upper center column cooperates with the lower center column to axially limit the steering knuckle center hole. An alignment assembly is arranged on the top of the connecting column and is used for angularly limiting the steering knuckle. A measuring assembly is arranged on the outer side of the vertical plate and is used for measuring the steering knuckle. The application effectively solves the problem that, in the prior art, the steering knuckle is easily deviated due to unstable magnetic force when the steering knuckle is fixed by magnetic force adsorption, and the detection result is deviated.

Description

Technical Field

[0001] This application relates to the field of steering knuckle inspection tools, and more specifically, to steering knuckle center hole inspection tools. Background Technology

[0002] Steering knuckles are important components in automotive steering axles. Steering knuckle center hole inspection fixtures are used to check whether the position of the center hole size is correct during the drilling of the center hole in the steering knuckle. The original design purpose of this fixture is to avoid the situation where the relative position of the center hole and the blank shape is too large when the automated robot automatically grasps the workpiece, which would cause the robot to grasp the workpiece in the wrong position and the shaft head to swing down or lift up.

[0003] In related technologies, to solve the problem of high labor intensity caused by needing to turn bolts multiple times during the process of locking the steering knuckle on the positioning column, a patent with prior art publication number CN220339330U provides a steering knuckle inspection tool for quick positioning of the center hole. This tool uses a plug rod that is movably inserted on the positioning column. Through the magnetic attraction between the magnetic block on the plug rod and the positioning column, it achieves quick contact between the pressure ring and the steering knuckle, allowing the pressure ring to quickly fix the steering knuckle. The disassembly is also relatively efficient, achieving quick positioning of the steering knuckle and making the operation more convenient. This solves the problem of high labor intensity caused by needing to turn bolts multiple times and constantly tighten them during the process of locking the steering knuckle on the positioning column.

[0004] Although the existing technical solutions mentioned above use magnetic blocks to make the pressure ring fit against the steering knuckle, which facilitates the positioning of the steering knuckle, the stability of the magnetic attraction is affected by the magnitude of the magnetic force, which relies on the magnetic attraction between the magnetic block and the positioning post and the pressure ring to fix the steering knuckle. When the operator performs measurement and testing operations on the steering knuckle, the steering knuckle is very likely to shift, which will lead to deviations in the test results.

[0005] In view of this, we propose a steering knuckle center hole inspection tool. Utility Model Content

[0006] The purpose of this application is to provide a steering knuckle center hole inspection tool, which can effectively solve the problem in the prior art that the steering knuckle is easily offset due to the instability of the magnetic force when relying on magnetic adsorption to fix the steering knuckle, resulting in deviation in the test results. This tool achieves the effect of accurately detecting whether the steering knuckle center hole is qualified.

[0007] This application provides a tooling for inspecting the center hole of the steering knuckle, including: An inspection table, wherein a vertical plate is fixedly installed on the top of the inspection table, and a connecting column is fixedly installed on the outer side of the vertical plate; The lower center post is detachably mounted on the top of the inspection table; The upper center column is slidably mounted on top of the lower center column, and the upper center column cooperates with the lower center column to axially limit the center hole of the steering knuckle; The alignment component, located at the top of the connecting column, is used to angularly limit the steering knuckle; The measuring component, located on the outside of the vertical plate, is used to measure the steering knuckle.

[0008] As an optional solution to the technical solution in this application, a screw is provided at the bottom of the lower center column, the screw is threaded inside the center seat, and the center seat is detachably mounted on the top of the inspection table by bolts.

[0009] As an optional solution to the technical solution of this application, the top of the upper center post is detachably provided with a threaded rod, the inner side of the connecting post is provided with a threaded ring corresponding to the threaded rod, the threaded ring is threaded to the threaded rod, and a knob is fixedly provided on the top of the threaded rod.

[0010] As an optional solution to the technical solution of this application, the alignment component includes a positioning block, a connecting frame is fixedly provided on the top of the positioning block, a connecting frame is fixedly provided on the bottom of the connecting frame, and a tapered groove is opened on the top of the connecting column corresponding to the positioning block.

[0011] As an optional solution to the technical solution of this application, the inner side of the conical groove is set to be conical, and the outer side of the positioning block cooperates with the conical groove.

[0012] As an optional solution to the technical solution of this application, the measuring component includes two measuring blocks, a sliding column is fixedly provided on the outer side of the measuring block, a measuring rod is fixedly provided on the outer side of the sliding column, and connecting blocks are fixedly provided on both sides of the upright plate corresponding to the measuring component, with the sliding column slidably disposed on the inner side of the connecting block.

[0013] As an optional solution to the technical solution of this application, V-grooves are provided on the sides of the two measuring blocks that are close to each other.

[0014] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages: (1) This application uses an upper center post and a lower center post. By placing the steering knuckle shaft head downwards, the center hole at the end face of the shaft diameter is first placed on the lower center post. After the steering knuckle is aligned, the upper center post is pressed down so that the upper and lower center posts contact the upper and lower center holes, thus completing the placement of the steering knuckle. Then, the alignment device is used to perform angular positioning of the steering knuckle. After fixing, the left and right measuring blocks contact the workpiece. Therefore, it effectively solves the problem in the prior art that the steering knuckle is easily deflected due to the unstable magnetic force when it is fixed by magnetic adsorption, resulting in deviation in the test results.

[0015] (2) This application sets up a measuring component. By inserting a feeler gauge into the gap between the V-groove and the steering knuckle, the gap exceeding the expected value is considered unqualified. The remaining length of the measuring rod outside the connecting block is used to determine the degree of offset of the center hole wing direction. If the difference between the remaining length difference and the expected value is large, it is considered unqualified. A height gauge is used in conjunction with the inspection table to measure the dimension from the shaft end face to the wing surface. After the height gauge contacts the shaft end face, it is zeroed. Then it contacts the wing surface and reads the value. If it exceeds the expected value, it is considered unqualified. A height gauge is used in conjunction with the inspection table to measure the tilt of the steering knuckle wing direction. After the height gauge contacts one side of the wing machining surface, the value is zeroed. Then it contacts the other side of the wing machining surface. If the value is greater than the expected value, it is considered unqualified. If one side of the V-groove contacts the steering knuckle and the gap between the other side and the steering knuckle exceeds the expected value during measurement, it indicates that the center hole is tilted in the direction of the kingpin hole axis. This achieves the effect of accurately detecting whether the steering knuckle center hole is qualified.

[0016] (3) By setting up a detachable lower center column, upper center column, alignment component and measuring component, this application can replace the appropriate accessories according to different specifications of steering knuckles, which facilitates the measurement and testing of steering knuckles of different specifications and improves the applicability of the inspection tool. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the steering knuckle center hole inspection fixture disclosed in a preferred embodiment of this application; Figure 2 This is a schematic diagram of the assembly of the inspection table with the upper and lower center columns in a steering knuckle center hole inspection fixture disclosed in a preferred embodiment of this application. Figure 3 This is a schematic diagram of the alignment component in the steering knuckle center hole gauge disclosed in a preferred embodiment of this application; Figure 4 This is a schematic diagram of the measuring component in the steering knuckle center hole gauge disclosed in a preferred embodiment of this application; The following are the labels in the diagram: 1. Inspection table; 11. Vertical plate; 12. Connecting column; 121. Threaded ring; 122. Tapered groove; 13. Connecting block; 2. Lower center column; 21. Center seat; 3. Upper center column; 31. Threaded rod; 32. Knob; 4. Alignment assembly; 41. Positioning block; 42. Connecting frame; 43. Mating block; 5. Measuring assembly; 51. Measuring block; 511. V-groove; 52. Sliding column; 53. Measuring rod. Detailed Implementation

[0018] The present application will be further described in detail below with reference to the accompanying drawings.

[0019] Reference Figure 1This application discloses a steering knuckle center hole inspection tool, including an inspection table 1. A vertical plate 11 is fixedly installed on the top of the inspection table 1, and a connecting column 12 is fixedly installed on the outer side of the vertical plate 11. A lower center column 2 is detachably installed on the top of the inspection table 1, and an upper center column 3 is slidably installed on the top of the lower center column 2. The upper center column 3 cooperates with the lower center column 2 to axially limit the steering knuckle center hole. An alignment component 4 is installed on the top of the connecting column 12 for angular limiting the steering knuckle. A measuring component 5 is installed on the outer side of the vertical plate 11 for measuring the steering knuckle.

[0020] The steering knuckle is placed on top of the lower center post 2, and the upper center post 3 slides downwards, so that the lower center post 2 and the upper center post 3 are axially fixed to the center hole of the steering knuckle. The alignment component 4 is angularly fixed to the steering knuckle. Then, the measuring component 5 is used to measure the steering knuckle, realizing the preparation for comprehensive and accurate testing of the steering knuckle, laying the foundation for accurate subsequent testing. This equipment is suitable for steering knuckles of different specifications, including steering knuckles of model DY011 / DY012. The specific structure of the steering knuckle can be found on the webpage http: / / www.cheqiao.cn / product / 6.html, and will not be elaborated further here.

[0021] Reference Figure 1 and Figure 2 A screw is provided at the bottom of the lower center column 2, and the screw thread is provided inside the center seat 21. The center seat 21 is detachably mounted on the top of the inspection table 1 by bolts.

[0022] By rotating the lower center post 2, the screw at its bottom rotates inside the center seat 21, thereby enabling the installation and removal of the lower center post 2. This facilitates the replacement of the appropriate lower center post 2 according to different steering knuckle specifications, achieving the effect of conveniently replacing the lower center post 2 to adapt to different steering knuckle testing needs.

[0023] Reference Figure 1 and Figure 2 The top of the upper center post 3 is detachably provided with a threaded rod 31, and the inner side of the connecting post 12 is provided with a threaded ring 121 corresponding to the threaded rod 31. The threaded ring 121 is threaded with the threaded rod 31, and a knob 32 is fixedly provided on the top of the threaded rod 31.

[0024] By turning the knob 32, the threaded rod 31 is driven to rotate inside the threaded ring 121, thereby realizing the lifting and lowering of the upper center column 3 so as to cooperate with the lower center column 2 to axially limit the center hole of the steering knuckle. At the same time, it is also convenient to disassemble the upper center column 3 for replacement, thus achieving the effect of convenient adjustment of the position of the upper center column 3 and convenient replacement.

[0025] Reference Figure 1 and Figure 3The alignment component 4 includes a positioning block 41. A connecting frame 42 is fixedly installed on the top of the positioning block 41 and at the bottom of the connecting frame 42. A conical groove 122 is opened on the top of the connecting column 12 corresponding to the positioning block 41. The inner side of the conical groove 122 is set as conical, and the outer side of the positioning block 41 cooperates with the conical groove 122.

[0026] The positioning block 41 is placed in the tapered groove 122. The tapered groove 122 and the positioning block 41 are used to achieve the rapid positioning and installation of the alignment component 4. Then, the connecting bracket 42 and the mating block 43 are used to limit the steering knuckle in the angular direction. The two mating blocks 43 are locked in the threaded hole of the lower arm of the steering knuckle to complete the alignment. This ensures that the steering knuckle is accurately positioned in the angular direction during the test, and achieves the effect of rapid and accurate angular positioning of the steering knuckle.

[0027] Reference Figure 1 , Figure 2 and Figure 4 The measuring component 5 includes two measuring blocks 51. A sliding column 52 is fixedly installed on the outer side of the measuring block 51, and a measuring rod 53 is fixedly installed on the outer side of the sliding column 52. A connecting block 13 is fixedly installed on both sides of the upright plate 11 corresponding to the measuring component 5. The sliding column 52 is slidably installed on the inner side of the connecting block 13. A V-groove 511 is opened on the side of the two measuring blocks 51 that are close to each other.

[0028] The sliding column 52 is pushed to slide within the connecting block 13, causing the measuring block 51 to move, so that the V-groove 511 on the measuring block 51 contacts the steering knuckle. Then, by observing the position of the measuring rod 53 and using tools such as feeler gauges in conjunction with the V-groove 511, the relevant dimensions and positional accuracy of the steering knuckle are measured, achieving the effect of convenient and accurate multi-dimensional measurement of the steering knuckle.

[0029] In summary, when using the steering knuckle center hole inspection tool disclosed in this application, firstly, according to the specifications of the steering knuckle to be inspected, select appropriate lower center post 2 and upper center post 3. Install the lower center post 2 on the inspection table 1 via center post seat 21, and install the upper center post 3 on the connecting post 12 via threaded rod 31 and threaded ring 121. Then, place the steering knuckle shaft end downwards, place the center hole at the shaft diameter end face on the lower center post 2, and rotate knob 32 to press the upper center post 3 down, allowing the upper and lower center posts to contact the upper and lower center holes, thus completing the axial placement of the steering knuckle. Next, the positioning block 41 of the alignment component 4 is placed in the tapered groove 122, so that the two mating blocks 43 are locked in the threaded hole of the lower arm of the steering knuckle to complete the alignment. The mating blocks 43 are used to perform angular positioning of the steering knuckle. Then, push the sliding column 52 so that the V-grooves 511 on the two measuring blocks 51 contact the steering knuckle. By inserting a feeler gauge into the gap between the V-groove 511 and the steering knuckle, determine whether the gap is qualified. By measuring the remaining length of the measuring rod 53 outside the connecting block 13, determine whether the offset of the center hole wing direction is qualified. Use a height gauge in conjunction with the inspection table 1 to check whether the dimension from the end face of the shaft head to the wing face and the tilt of the steering knuckle wing direction are qualified. If one side of the V-groove 511 contacts the steering knuckle during measurement, and the gap between the other side and the steering knuckle exceeds the expected value, it can be determined that the tilt of the center hole in the direction of the kingpin hole axis is unqualified. The whole process realizes the accurate detection of the steering knuckle center hole and facilitates the replacement of parts according to different specifications of steering knuckles, thus improving the applicability of the inspection tool.

Claims

1. A steering knuckle center hole inspection tool, characterized in that, Include: Inspection table (1), the top of the inspection table (1) is fixedly provided with a vertical plate (11), and the outer side of the vertical plate (11) is fixedly provided with a connecting column (12); The lower center post (2) is detachably installed on the top of the inspection table (1); The upper center post (3) is slidably disposed on the top of the lower center post (2), and the upper center post (3) cooperates with the lower center post (2) to axially limit the center hole of the steering knuckle; Alignment component (4) is located on top of connecting column (12) and is used to limit the steering knuckle in the angular direction; The measuring component (5) is located on the outside of the upright plate (11) and is used to measure the steering knuckle.

2. The steering knuckle center hole inspection tool according to claim 1, characterized in that: The bottom of the lower center post (2) is provided with a screw rod, which is threaded inside the center seat (21). The center seat (21) is detachably mounted on the top of the inspection table (1) by bolts.

3. The steering knuckle center hole inspection tool according to claim 1, characterized in that: The top of the upper center post (3) is detachably provided with a threaded rod (31), and the inner side of the connecting post (12) is provided with a threaded ring (121) corresponding to the threaded rod (31). The threaded ring (121) is threaded to the threaded rod (31), and a knob (32) is fixedly provided on the top of the threaded rod (31).

4. The steering knuckle center hole inspection tool according to claim 1, characterized in that: The alignment component (4) includes a positioning block (41), a connecting frame (42) is fixedly provided on the top of the positioning block (41), a connecting frame (42) is fixedly provided on the bottom of the connecting frame (42), and a tapered groove (122) is opened on the top of the connecting column (12) corresponding to the positioning block (41).

5. The steering knuckle center hole inspection tool according to claim 4, characterized in that: The inner side of the conical groove (122) is set to be conical, and the outer side of the positioning block (41) cooperates with the conical groove (122).

6. The steering knuckle center hole inspection tool according to claim 1, characterized in that: The measuring component (5) includes two measuring blocks (51). A sliding column (52) is fixedly installed on the outer side of the measuring block (51). A measuring rod (53) is fixedly installed on the outer side of the sliding column (52). A connecting block (13) is fixedly installed on both sides of the upright plate (11) corresponding to the measuring component (5). The sliding column (52) is slidably installed on the inner side of the connecting block (13).

7. The steering knuckle center hole inspection tool according to claim 6, characterized in that: V-grooves (511) are provided on the side of the two measuring blocks (51) that are close to each other.

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