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Arched ruler

A technology of bow and connecting ruler, applied in the field of bow ruler, can not solve the problems of flange welding perpendicularity and detection of flange flatness, etc., and achieves the effect of simple structure and convenient use.

Pending Publication Date: 2019-10-25
川易机电设备启东有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] Existing detection schemes use fixed-length rulers for detection, and fixed-length rulers are limited by their length, requiring frequent replacement of rulers of different lengths
[0004] And, more importantly, ordinary straight steel rulers or squares cannot solve the problem of pipe and flange welding verticality and flange flatness with a tolerance between 0 and 2mm

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0021] figure 1 It is a structural schematic diagram of the bow ruler of the present invention, please refer to figure 1 , a bow-shaped ruler, which includes: the same side of the vertical connecting ruler 2 has: a horizontal measuring ruler 1 and a horizontal connecting ruler 3, and the end of the horizontal connecting ruler 3 has a vertical measuring ruler 4. During use, for the structure of the flange 7 welded with the pipeline 6, the horizontal measuring ruler 1 is placed on the upper surface of the flange 7, and the diameter of the flange 7 is larger than that of the pipeline 6. Therefore, through the vertical connecting ruler 2 and the horizontal connecting ruler 3, Make the vertical measuring ruler 4 contact with the side wall of the pipeline 6 to measure the side wall of the pipeline 6 .

[0022] Figure 4 It is a reference diagram of the use state...

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Abstract

The invention discloses an arched ruler. A horizontal measuring ruler and a horizontal connecting ruler are arranged at one same side of a vertical connecting ruler; and a vertical measuring ruler isarranged at the end portion of the horizontal connecting ruler. The horizontal measuring ruler and the vertical measuring ruler are connected by the horizontal connecting ruler and the vertical connecting ruler to realize an arched ruler measuring structure with two adjacent sides perpendicular to each other. To be specific, the horizontal measuring ruler is arranged on a flange plane and the vertical measuring ruler is closely attached to the side wall of a pipe below the flange, so that whether any clearance is formed between the horizontal measuring ruler and the upper surface of the flangeand whether any clearance is formed between the vertical measuring ruler and the side wall of the pipe are determined; and the clearances are measured by using other measuring rulers to obtain a final welding tolerance to determine whether welding is qualified. The arched ruler having a simple structure is used conveniently.

Description

technical field [0001] The invention relates to a ruler, in particular to a bow-shaped ruler used for detecting the relative perpendicularity between a welded flange and a pipeline and the flatness of the flange. Background technique [0002] After the pipe and flange welding assembly is completed, the manufacturing plant needs to check the verticality of the flange and pipe welding assembly and the flatness of the flange plane, so as to solve the problem of inspection of welding errors in manufacturing enterprises. [0003] Existing detection schemes use fixed-length rulers for detection, and fixed-length rulers are limited by their length, requiring frequent replacement of rulers of different lengths. [0004] And, more importantly, ordinary straight steel rulers or squares cannot solve the problems of pipe and flange welding verticality and flange flatness with a tolerance of 0-2mm. [0005] The present invention aims to provide a bow-shaped ruler, which is used to simul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/14G01B5/245G01B5/28
CPCG01B5/14G01B5/245G01B5/28
Inventor 袁媛
Owner 川易机电设备启东有限公司
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