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Self-centering flange hole position inspection tool

A self-centering, flange hole technology, used in measuring devices, mechanical measuring devices, mechanical devices, etc., can solve the problems of low inspection efficiency, complicated operation, low precision, etc., and achieve high inspection efficiency, simple operation, and high precision. reliable results

Active Publication Date: 2019-01-25
CHANGZHOU HUADE MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: in order to overcome the deficiencies of low inspection efficiency, complicated operation and low precision in the prior art, the present invention provides a self-centering flange hole position inspection tool, which adopts self-centering inspection tool Instead of measuring tools such as snap gauges, plug gauges, vernier calipers, and three-coordinate measuring instruments, the installation holes on the flange can be inspected at the same time. The operation is simple, easy to use, time-saving, labor-saving, reliable, and high-efficiency inspection

Method used

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  • Self-centering flange hole position inspection tool

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Experimental program
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Effect test

Embodiment 1

[0030] Such as Figure 2-5 As shown, a self-centering flange hole position inspection tool of the present invention includes a base 2, a measuring head 3 and a self-centering structure, the base 2 is used for supporting and fixing the flange 1, and the shape of the upper surface of the base 2 Matching the shape of the bottom surface of the flange 1, the measuring head 3 is used to qualitatively detect the size and position of the flange hole 1-1, and the self-centering structure is used for centering to ensure the consistency of detection.

[0031] The base 2 is provided with a circular boss 4, the outer diameter of the boss 4 matches the inner diameter of the flange inner hole 1-2, the front of the circular boss 4 is provided with a stepped surface 5, and the base 2 outside the boss 4 is provided with Seven blind holes 6 corresponding to the positions of the flange holes 1-1, the measuring head 3 is placed in the blind holes 6, the stepped surface 5 matches the bottom surface...

Embodiment 2

[0035] Such as Figure 6 As shown, a self-centering flange hole position gauge of this embodiment has basically the same structure as that of Embodiment 1, the only difference is that the structure of the push rod assembly is different, and the push rod assembly includes a sleeve 12, a push rod 13 , self-locking structure and partition 16, the sleeve 12 is a hollow cylinder with an open bottom, the bottom of the sleeve 12 is fixed with the boss 4, the top of the sleeve 12 is provided with a through hole 14, and the through hole 14 is a flat hole. It is a rectangular, round or elliptical hole. The partition 16 is located between the push rod 13 and the second steel ball 10. One end of the push rod 13 passes through the through hole 14 to connect with the partition 16. The top surface of the partition 16 is provided with a second steel ball. One spring 17, one end of the first spring 17 is fixedly connected to the partition 16, the other end is fixedly connected to the top of th...

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Abstract

The invention provides a self-centering position information detection tool for holes in a flange. The self-centering position information detection tool for the holes in the flange comprises a base, measuring heads and a self-centering structure, wherein the base is provided with a circular lug boss; the base on the outer side of the lug boss is provided with multiple blind holes; the measuring heads are placed in the blind holes; the self-centering structure comprises a push rod component and at least three ball ways; multiple first steel balls are arranged in each ball way; the bottom of the push rod component is provided with a second steel ball; the diameter of the second steel ball is more than the diameter of an externally tangent ball of a space enclosed by all first steel balls, which approach the center of the lug boss, in the ball ways; further, a difference between the diameters of the first steel balls in each ball way and the radius of the lug boss is less than the radius of the externally tangent ball; the push rod component can drive the second steel ball to move up and down, and extrudes the first steel balls to move in the ball ways. According to the self-centering position information detection tool for the holes in the flange, a self-centering detection tool is adopted to replace measuring tools such as a snap gauge, a plug gauge, a vernier caliper, a three-coordinate measuring instrument and the like; mounting holes in the flange are detected at the same time; the operation is simple; the use is convenient; time and labor are saved; the precision is high; the inspection efficiency is high.

Description

technical field [0001] The invention relates to the technical field of hole position degree detection equipment, in particular to a self-centering flange hole position degree detection tool. Background technique [0002] There are multiple mounting holes on the flange, and the position of the mounting holes has a direct impact on the performance of the flange. Therefore, the flange must be quantitatively inspected for the position of the holes before leaving the factory, that is, to judge whether the position and size of the holes meet the requirements. Setting requirements, the existing detection methods are as follows: (1) Use a three-coordinate measuring instrument to test the position of the hole. Although it has the advantage of high precision, the one-time investment cost of using a three-coordinate measuring instrument is relatively large, and It needs special personnel to operate, the operation is complicated, and the detection efficiency is low; (2) Using measuring ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/00
CPCG01B5/00
Inventor 丁杰李忠泽张湘杰张俊科孙乐
Owner CHANGZHOU HUADE MACHINERY