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Measuring tool for outer diameter of shaft

A technology of tools and probes, which is applied in the field of measuring tools for shaft outer diameters, can solve the problems of user inconvenience and cost rise, and achieve the effects of cost reduction and convenient use

Pending Publication Date: 2018-01-09
JIANGMEN LITAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing tools for measuring the outer diameter of the shaft can only measure the outer diameter of one section of the shaft at a time. When it is necessary to measure the outer diameter of different sections of the shaft, it is necessary to replace the measuring tool for measurement, which will not only bring inconvenience to the user. and will increase the cost

Method used

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  • Measuring tool for outer diameter of shaft
  • Measuring tool for outer diameter of shaft
  • Measuring tool for outer diameter of shaft

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Experimental program
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Embodiment Construction

[0020] like Figure 1-Figure 4 As shown, the present invention is provided with a base 1, three adjustable support columns 2 are installed on the base 1, a measuring seat 3 is installed on the supporting column 2, and the three supporting columns 2 are evenly arranged on the bottom of the measuring seat 3 in the circumferential direction, supporting The heights of the columns 2 can be adjusted according to actual needs so that the measuring base 3 remains horizontal. A cylindrical cavity is arranged inside the measuring seat 3, and the cylindrical cavity communicates with the upper and lower surfaces of the measuring seat 3 for placing the shaft to be measured. A guide seat 8 that guides and protects the shaft to be measured is installed on the measuring seat 3. The guide seat 8 is provided with a through hole, which is coaxially arranged with the cylindrical cavity, and the diameter of the lower part of the through hole is the same as the diameter of the cylindrical cavity. ...

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Abstract

The invention discloses a measuring tool for the outer diameter of a shaft. The measuring tool comprises a base and a pneumatic gauge. The pneumatic gauge is connected with a measuring base. A cylindrical cavity used for containing a to-be-measured shaft is formed in the measuring base. The cylindrical cavity penetrates through the upper end surface and the lower end surface of the measuring base.The measuring heads of the pneumatic gauge are arranged in an even number. The measuring heads are arranged in the radial direction of the cylindrical cavity. The measuring heads face the interior ofthe cylindrical cavity, and are grouped in pairs. The measuring heads are arranged on one diameter of the cylindrical cavity. A lifting platform is arranged on the base. The lifting platform is correspondingly arranged below the cylindrical cavity. The lifting platform is used for adjusting the height of the to-be-measured shaft. According to the invention, the cost of measuring the outer diameters of different sections of the shaft is reduced, and the method is convenient for users to use.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a tool for measuring the outer diameter of a shaft. Background technique [0002] In the prior art, a pneumatic measuring instrument is often used to measure the outer diameter of the shaft. When measuring the workpiece, the workpiece is placed in the cylindrical cavity, the probe blows air to the shaft to be measured, and the pneumatic measuring instrument converts the length signal into an airflow signal. , through the buoy indication value in the glass tube with scale, or through the gas-to-electric converter to convert the gas signal into an electrical signal to indicate the value of the light column composed of luminous tubes. However, the existing tools for measuring the outer diameter of the shaft can only measure the outer diameter of one section of the shaft at a time. When it is necessary to measure the outer diameter of different sections of the shaft, it is necessar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B13/08G01B13/16
Inventor 王拴银雷明明
Owner JIANGMEN LITAI TECH