Spline shaft yoke phase angle auxiliary measurement testing fixture

By designing a spline shaft fork phase angle assisted measurement tool including bottom plate, V-shaped seat, spline sleeve and other components, the problem of lack of phase angle detection tools in the prior art is solved, and the rapid and accurate detection of spline shaft fork phase angle deviation is achieved, and the dynamic balance accuracy after assembly is improved.

CN222993652UActive Publication Date: 2025-06-17SHANGHAI NASHEN AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422184894.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-06-17
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The lack of phase angle detection tools for spline shaft forks in the prior art, which makes it difficult to detect phase angles and affects the dynamic balance accuracy after assembly.

Method used

A spline shaft fork phase angle assisted measurement instrument is designed, including bottom plate, V-shaped seat, V-shaped groove, side plate, top plate, positioning sleeve, spline sleeve, handle and pointer. The spline sleeve is rotated through the handle, the pointer moves, and the angle scale line is used to measure the phase angle deviation between the spline and the fork part.

Benefits of technology

It realizes quick, simple and convenient operation to detect the phase angle deviation of the spline shaft fork, solves the problem of lack of corresponding detection tools in the prior art, and improves the dynamic balance accuracy after assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

A spline shaft yoke phase angle auxiliary measuring gauge is characterized in that a bottom plate is provided with a V-shaped seat, a top plate is arranged above the V-shaped seat, a positioning sleeve is arranged in the top plate, a spline sleeve is arranged in the positioning sleeve in a penetrating manner, the top plate is provided with a fixing plate, a pointer is arranged in the fixing plate, and the top plate is provided with angle scale marks; a positioning hole matched with the spline housing and the notch in shape is formed in the pointer, the pointer is arranged on the spline housing in a sleeving mode through the positioning hole, the upper end of the spline housing is connected with a handle, and an involute spline groove is formed in the lower end of the spline housing. A spline shaft fork is arranged in the testing fixture, a fork part at the lower end of the spline shaft fork is positioned with a V-shaped groove of a V-shaped seat, and a spline at the upper end of the spline shaft fork is connected with a spline housing through an involute spline groove. The spline housing is rotated through the handle, the pointer moves, and the phase angle deviation of the spline and the fork part is obtained through the angle scale marks on the top plate. The device is simple in structure and convenient to operate, and can quickly detect the phase angle deviation of the spline shaft yoke.
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Description

Technical Field

[0001] The utility model relates to the field of machinery, in particular to a detection tool for mechanical parts, and especially to a spline shaft fork phase angle auxiliary measuring fixture. Background Art

[0002] A spline shaft fork is a kind of automobile drive shaft part. After the involute spline of the spline shaft fork is processed, it is necessary to detect the phase angle of the spline and the fork part. If the phase angle is too large, it will affect the dynamic balance accuracy after assembly. Therefore, it is necessary to adjust the relative position of the tool spindle and the workpiece and then continue the processing. However, there is a lack of corresponding detection tools in the prior art, resulting in difficulties in detecting the phase angle. Summary of the Invention

[0003] The purpose of the utility model is to provide a spline shaft fork phase angle auxiliary measuring fixture, and the spline shaft fork phase angle auxiliary measuring fixture of the utility model aims to solve the technical problem of the lack of a phase angle detection tool for the spline shaft fork in the prior art.

[0004] A spline shaft fork phase angle auxiliary measuring fixture of the utility model includes a bottom plate. A V-shaped seat is arranged on the bottom plate. Two V-shaped grooves are arranged on the V-shaped seat in parallel at intervals. A side plate is vertically arranged on the bottom plate. The upper end of the side plate is connected with a top plate. A positioning sleeve is arranged in the top plate. A spline sleeve is arranged through the positioning sleeve. A notch is arranged along the axial direction on one side of the spline sleeve. A fixing plate is arranged on the top plate. A pointer and a pointer avoidance groove matched with the pointer are arranged in the fixing plate. The pointer and the fixing plate form a rotational pair in the circumferential direction. Angle scale lines are arranged on the upper surface of the top plate at the corresponding position of the pointer. A positioning hole matched with the shape of the spline sleeve and the notch is arranged in the pointer. The pointer is sleeved on the spline sleeve through the positioning hole. A handle is connected to the upper end of the spline sleeve. An involute spline groove is arranged at the lower end of the spline sleeve.

[0005] Further, a V-shaped supporting side plate is connected to the middle of the side plate.

[0006] Further, the handle is connected to the spline sleeve by a thread.

[0007] Compared with the prior art, the effect of the utility model is positive and obvious. Install the spline shaft fork in the fixture. The fork part at the lower end of the spline shaft fork is positioned in the V-shaped groove of the V-shaped seat, and the spline at the upper end of the spline shaft fork is connected with the spline sleeve through the involute spline groove. Rotate the spline sleeve by using the handle, and the pointer moves. Through the angle scale lines on the top plate, the phase angle deviation between the spline and the fork part can be obtained. The utility model has a simple structure and is convenient to operate, and can quickly detect the phase angle deviation of the spline shaft fork. Brief Description of the Drawings

[0008] Figure 1 It is a schematic diagram of a spline shaft fork phase angle auxiliary measuring fixture of the utility model.

[0009] Figure 2 This is the front view schematic diagram of the V-shaped seat in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0010] Figure 3 This is the side view schematic diagram of the V-shaped seat in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0011] Figure 4 This is the top view schematic diagram of the top plate in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0012] Figure 5 This is the front view schematic diagram of the top plate in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0013] Figure 6 This is the schematic diagram of the positioning sleeve in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0014] Figure 7 This is the front view schematic diagram of the spline sleeve in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0015] Figure 8 This is the top view schematic diagram of the spline sleeve in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0016] Figure 9 This is the top view schematic diagram of the fixing plate in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0017] Figure 10 This is the front view schematic diagram of the fixing plate in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0018] Figure 11 This is the top view schematic diagram of the pointer in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model.

[0019] Figure 12 This is the front view schematic diagram of the pointer in an auxiliary measuring fixture for the spline shaft fork phase angle of the present utility model. Detailed implementation manners

[0020] The present utility model will be further described below in conjunction with embodiments. However, the present utility model is not limited to these embodiments. Any similar structures and their similar variations of the present utility model should be included in the protection scope of the present utility model. The use of directions such as up, down, front, back, left, and right in the present utility model is only for convenient and clear description, and does not limit the technical solution of the present utility model.

[0021] Such as Figures 1 - 12As shown in the figure, an auxiliary measuring fixture for the phase angle of a spline shaft fork of the present utility model includes a base plate 1. A V-shaped seat 2 is provided on the base plate 1. Two V-shaped grooves 3 are arranged in parallel and at intervals on the V-shaped seat 2. A side plate 4 is vertically provided on the base plate 1. The upper end of the side plate 4 is connected to a top plate 5. A positioning sleeve 6 is arranged in the top plate 5. A spline sleeve 7 is inserted through the positioning sleeve 6. A notch 8 is arranged along the axial direction on one side of the spline sleeve 7. A fixing plate 14 is provided on the top plate 5. A pointer 9 and a pointer avoidance groove 15 that cooperates with the pointer 9 are arranged in the fixing plate 14. The pointer 9 and the fixing plate 14 form a rotational pair in the circumferential direction. Angle scale lines 10 are arranged on the upper surface of the top plate 5 at the corresponding position of the pointer 9. A positioning hole 11 that matches the outer shapes of the spline sleeve 7 and the notch 8 is arranged in the pointer 9. The pointer 9 is sleeved on the spline sleeve 7 through the positioning hole 11. A handle 12 is connected to the upper end of the spline sleeve 7. An involute spline groove is arranged at the lower end of the spline sleeve 7.

[0022] Further, a V-shaped support side plate 13 is connected to the middle of the side plate 4.

[0023] Further, the handle 12 is connected to the spline sleeve 7 by a thread.

[0024] Specifically, the V-shaped seat 2, the angle scale lines 10, the spline sleeve 7, the involute spline groove, etc. in this embodiment all adopt well-known solutions in the prior art, which are already understood by those skilled in the art and will not be elaborated here.

[0025] The working principle of this embodiment: Install the spline shaft fork 16 in the fixture. The fork part at the lower end of the spline shaft fork 16 is positioned with the V-shaped groove 3 of the V-shaped seat 2. The spline at the upper end of the spline shaft fork 16 is connected to the spline sleeve 7 through the involute spline groove. Rotate the spline sleeve 7 by using the handle 12, and the pointer 9 moves. The phase angle deviation between the spline and the fork part can be obtained through the angle scale lines 10 on the top plate 5. The structure of the present utility model is simple and the operation is convenient, and the phase angle deviation of the spline shaft fork 16 can be quickly detected.

Claims

1. A spline shaft fork phase angle auxiliary measurement fixture, characterized in that: It includes a bottom plate, a V-shaped seat is provided on the bottom plate, two V-shaped grooves are provided on the V-shaped seat in parallel and at intervals, a side plate is vertically provided on the bottom plate, the upper end of the side plate is connected to the top plate, a positioning sleeve is provided in the top plate, a spline sleeve is passed through the positioning sleeve, a notch is provided on one side of the spline sleeve along the axial direction, a fixing plate is provided on the top plate, a pointer and a pointer avoidance groove matching with the pointer are provided in the fixing plate, the pointer and the fixing plate form a rotating pair in the circumferential direction, an angle scale line is provided on the upper surface of the top plate at the position corresponding to the pointer, a positioning hole matching with the spline sleeve and the notch shape is provided in the pointer, the pointer is sleeved on the spline sleeve through the positioning hole, a handle is connected to the upper end of the spline sleeve, and an involute spline groove is provided at the lower end of the spline sleeve.

2. The spline shaft fork phase angle auxiliary measurement fixture according to claim 1, characterized in that: The middle part of the side plate is connected with a V-shaped supporting side plate.

3. The spline shaft fork phase angle auxiliary measurement fixture according to claim 1, characterized in that: The handle is connected to the spline sleeve via a thread.