Center distance measuring instrument for race

A technology of measuring instrument and center distance, applied in the field of measuring instruments, can solve the problems of constant measurement of raceway center distance and large error, and achieve the effect of convenient use and simple structure

Inactive Publication Date: 2010-09-22
上海欧际柯特回转支承有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a simple, convenient and accurate measuring instrument for the center distance of the raceway in order to solve the technical problem that the measurement of the center distance of the raceway of the double raceway ball bearing remains unchanged and the error is relatively large in the prior art

Method used

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  • Center distance measuring instrument for race
  • Center distance measuring instrument for race
  • Center distance measuring instrument for race

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] Such as figure 1 As shown, in the prior art, steel balls are placed in the raceways of the double-raceway ball bearing 9, and the height difference of the steel balls placed on different raceways is measured by the depth gauge 10 to calculate the height difference of the double-raceway ball bearing 9. The center moment of the raceway. This manual two-measurement method is inconvenient to measure and has large errors.

[0017] Such as figure 2 As shown, it is a schematic diagram of a double raceway ball bearing measuring instrument with a dial indicator arranged on a guide rail of the present invention. One end of the base ruler 1 is provided with a positioning column 4, and a spherical positioning contact 5 is installed on the positioning column 4; a guide rail 2 is fixed on the base ruler 1, and the moving ruler 3 can move along the guide rail 2; Column 6,...

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Abstract

The invention provides a center distance measuring instrument for a race, which comprises a base ruler, wherein a positioning column is fixed at one end of the base ruler, and a spherical positioning contact is arranged at the top end of the positioning column; and a guide rail is fixed on the base ruler. The measuring instrument also comprises a moving ruler, wherein the moving ruler can move along the guide rail, and a connecting column is fixed on the moving ruler; and a spherical measuring contact is arranged at the upper end of the connecting column of the moving ruler and moves along the guide rail with the moving ruler through the connecting column of the moving ruler, and a retaining block can retain the moving ruler is fixed at the other end of the base ruler. The measuring instrument directly reads the displacement of the spherical measuring contact through a micrometer, and conveniently and accurately realizes the measurement of center distance of a double-race ball bearing race.

Description

technical field [0001] The invention relates to a measuring instrument, in particular to a raceway center distance measuring instrument, especially a raceway center distance measuring instrument for double raceway ball bearings. Background technique [0002] Bearings are necessary for various mechanical equipment such as motors and generators. Double raceway ball bearings, as an important part of the bearing field, are also used in many fields. With the rise of wind power generation, double raceway ball bearings have been widely used as wind power bearings. With the application of high-precision wind power bearings, the measurement of the center distance between the two raceways of double-raceway ball bearings has also become a prerequisite for the production of high-precision bearings. [0003] In the prior art, the measurement of the center distance of the raceway of the double raceway ball bearing is to put the steel ball in the middle of the raceway, measure the height ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/14
Inventor 邱涧峰
Owner 上海欧际柯特回转支承有限公司
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