Special measuring tool for measuring symmetry degree of shaft part key groove

A technology for shaft parts and symmetry, which is applied in the field of special measuring tools for the measurement of keyway symmetry of shaft parts, and can solve problems such as high labor costs, troubles, and impact on efficiency

Inactive Publication Date: 2019-04-26
JINGGANGSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the manufacturing process of shaft parts, it is necessary to open multiple key slots to facilitate subsequent assembly, but the key slots need to be symmetrical so as not to affect subsequent processing, so it is necessary to check the symmetry of the key slots that have been opened. Usually people use a ruler to check the position of the key slots It is cumbersome to measure the length, and then compare the measured lengths to know the symmetry, and it is troublesome to pull the ruler continuously. After a long time, the hands are prone to soreness and affect the efficiency. Therefore, two people are required to measure the position and length of the two keyways respectively, so the labor cost high

Method used

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  • Special measuring tool for measuring symmetry degree of shaft part key groove
  • Special measuring tool for measuring symmetry degree of shaft part key groove
  • Special measuring tool for measuring symmetry degree of shaft part key groove

Examples

Experimental program
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Effect test

Embodiment 1

[0017] A special measuring tool for measuring keyway symmetry of shaft parts, such as Figure 1-2 As shown, it includes a hollow handle 2, a first pole 3, a support plate 4, an adjustment device 6, a first measuring rod 7, a first rack 8, a first gear 9, a second rack 10, and a second measuring rod 12. The pressing block 13 and the first spring 14, the first support rod 3 is fixedly connected to the lower part of the front side of the hollow handle 2 on the left side, the hollow handle 2 is connected to the first support rod 3 by welding, and the rear of the first support rod 3 The upper part of the side is rotatably provided with a first gear 9, and the hollow handle 2 is provided with support plates 4 on the upper and lower sides on the left side. The left part of the support plate 4 has a first guide hole 5, and the first support rod 3 is located in the first guide hole. 5, the left side of the front side of the lower support plate 4 is fixedly connected with the first rack...

Embodiment 2

[0019] A special measuring tool for measuring keyway symmetry of shaft parts, such as Figure 1-2 As shown, it includes a hollow handle 2, a first pole 3, a support plate 4, an adjustment device 6, a first measuring rod 7, a first rack 8, a first gear 9, a second rack 10, and a second measuring rod 12. The pressing block 13 and the first spring 14, the lower part of the left side of the front side of the hollow handle 2 is fixedly connected with the first support rod 3, the upper part of the rear side of the first support rod 3 is rotatably provided with the first gear 9, the hollow handle 2 left The upper and lower sides of the side are provided with support plates 4, the left part of the support plate 4 has a first guide hole 5, the first support rod 3 is located in the first guide hole 5, and the left side of the front side of the lower support plate 4 is fixed with a first guide hole 5. Rack 8, the first rack 8 is located on the right side of the first gear 9 and meshes wi...

Embodiment 3

[0022] A special measuring tool for measuring keyway symmetry of shaft parts, such as Figure 1-2 As shown, it includes a hollow handle 2, a first pole 3, a support plate 4, an adjustment device 6, a first measuring rod 7, a first rack 8, a first gear 9, a second rack 10, and a second measuring rod 12. The pressing block 13 and the first spring 14, the lower part of the left side of the front side of the hollow handle 2 is fixedly connected with the first support rod 3, the upper part of the rear side of the first support rod 3 is rotatably provided with the first gear 9, the hollow handle 2 left The upper and lower sides of the side are provided with support plates 4, the left part of the support plate 4 has a first guide hole 5, the first support rod 3 is located in the first guide hole 5, and the left side of the front side of the lower support plate 4 is fixed with a first guide hole 5. Rack 8, the first rack 8 is located on the right side of the first gear 9 and meshes wi...

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Abstract

The invention relates to a special measuring tool, in particular to a special measuring tool for measuring the symmetry degree of a shaft part key groove and solve the technical problem that people can measure the symmetry degree of the shaft part key groove conveniently, a manual ruler is not needed, and the phenomenon that the efficiency is affected by hand pain is avoided. The technical schemeof the special measuring tool for measuring the symmetry degree of the shaft part key groove comprises a hollow handle, a first support bar, a support plate, an adjusting device, a first measuring rodand the like; the first support rod is fixedly connected to the lower part of the left side of the front side of the hollow handle, and a first gear is rotationally arranged at the upper part of therear side of the first support rod. According to the special measuring tool for measuring the symmetry degree of the shaft part key groove, under the action of the first measuring rod and the second measuring rod, a press block is pushed, the first measuring rod and the second measuring rod can measure the symmetry degree of the shaft part key groove, the manual ruler is not needed to measure theposition length of the key groove to obtain the symmetry degree, the operation is more convenient, and a detection shaft can move more smoothly in the hollow handle under the action of a universal ball.

Description

technical field [0001] The invention relates to a special measuring tool, in particular to a special measuring tool for measuring the symmetry of key grooves of shaft parts. Background technique [0002] In the manufacturing process of shaft parts, it is necessary to open multiple key slots to facilitate subsequent assembly, but the key slots need to be symmetrical so as not to affect the subsequent processing, so it is necessary to check the symmetry of the opened key slots. Usually people use a ruler to check the position of the key slots It is cumbersome to measure the length, and then to know the symmetry according to the measured length comparison, and it is troublesome to constantly pull the ruler, and the hand will be sore after a long time, which will affect the efficiency, so two people are required to measure the position and length of the two keyways respectively, so the labor cost high. Contents of the invention [0003] In order to overcome the disadvantages ...

Claims

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Application Information

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IPC IPC(8): G01B5/25
CPCG01B5/0018G01B5/25
Inventor 王复标戎玲玲安婷
Owner JINGGANGSHAN UNIVERSITY
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