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Detection tool for distinguishing different standards of flanges and detection method thereof

A technology of inspection fixtures and flanges, which is applied in the field of inspection fixtures to distinguish flanges of different standards, can solve problems such as low measurement accuracy and efficiency, inability to penetrate bolts, uneven outer diameters, etc., to improve batch detection efficiency and rapid detection , to ensure the effect of accuracy

Active Publication Date: 2016-10-26
科泷(重庆)环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional inspection tools such as vernier calipers are often affected by human factors in the measurement of the diameter of the center circle of the bolt hole and the outer diameter, and its measurement accuracy and efficiency are often low
In use, once the unmatched flange is wrongly glued or welded to the nozzle, the bolt cannot pass through the hole, or the outer diameter is not flush, and the secondary repair will cause serious economic losses

Method used

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  • Detection tool for distinguishing different standards of flanges and detection method thereof
  • Detection tool for distinguishing different standards of flanges and detection method thereof
  • Detection tool for distinguishing different standards of flanges and detection method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment one, as figure 1 As shown, the present invention is specifically a kind of inspection tool for distinguishing different standard flanges. Each detection surface is provided with two inner detection pins 22 and two outer detection pins 21, the outer detection pins are located at the periphery of the inner detection pins, and the distance between each adjacent inner and outer detection pins is the same, each There is also a marking mark on the first detection surface. The four test pins on each test surface of the test fixture body 1 match the relevant dimensions of the standard specification flange, that is, a point on the surface of the test fixture body 1 is used as a symmetrical reference, and the nominal size of the center-to-center distance between the two inner test pins on this surface is equal to that of the standard method. The nominal dimension of the diameter of the center circle of the threaded hole of the flange, the nominal dimension of the cent...

Embodiment 2

[0021] Embodiment two, such as figure 2 As shown, if the external dimensions of the inspection tool body 1 are reasonably designed, one inspection surface can be added, and three inspection surfaces can be set.

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PUM

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Abstract

The invention provides a detection tool for distinguishing different standards of flanges. The detection tool comprises a detection tool body (1). The detection tool is characterized in that the detection tool body is provided with multiple detection pins (2). The detection pins include two internal detection pins (22) which are arranged on the same plane of the detection tool body and two external detection pins (21) which are arranged at the external side of the two internal detection pins. The distance between each external detection pin and the adjacent internal detection pin is equal.

Description

technical field [0001] The invention relates to the technical field of inspection and measurement tools, in particular to a inspection tool for distinguishing different standard flanges. The standards mentioned here refer to different national standards (such as GB, JIS, ANSI) or industry standards and enterprise standards. Background technique [0002] In assembly and processing, many companies will use multiple brands of valves, equipment and other components with flange connections. The flanges may be national standard flanges, Japanese standard flanges, American standard flanges, etc. Different flange standards stipulate a series of technical requirements with the same code: nominal pressure PN and nominal diameter DN, but the size parameters they represent are different. For example, the diameter of the center circle of the flange bolt hole of PN1.6MPa DN50 in GB / T9119 is 125mm, and the outer diameter is 165mm; the diameter of the center circle of the flange bolt hol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/12G01B5/08
CPCG01B5/08G01B5/12
Inventor 刘志军王清杰刘志斌
Owner 科泷(重庆)环保科技有限公司
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