Pipe end straightness measuring device

A measuring device and straightness technology, which is applied in the direction of angle/taper measurement, etc., can solve the problems of time-consuming and labor-intensive operation, low detection accuracy, etc., and achieve the effect of convenient use, high detection efficiency and strong versatility

Inactive Publication Date: 2013-08-07
WUXI SEAMLESS OIL PIPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this method is that the operation is time-consuming and laborious, and the detection accuracy is not high

Method used

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  • Pipe end straightness measuring device
  • Pipe end straightness measuring device

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0013] As shown in the figure: the pipe end straightness measuring device in the embodiment mainly includes a ruler body, the upper side of the ruler body is a rigid horizontal rod 1, the lower side of the ruler body is an elastic rubber strip 2, and the two ends of the horizontal rod 1 pass through Two rigid vertical rods 3 of equal height are respectively connected to two ends of the rubber strip 2; a slider 4 is arranged on the rubber strip 2, and a vertical scale 5 is installed on the slider 4.

[0014] Such as figure 1 , figure 2 As shown, in the present invention, the slider 4 is preferably set in a semicircle, and the slider 4 is equipped with rolling wheels that can roll and walk on the elastic rubber strip 2 . The shape of the wheel groove of the scroll wheel matches the cross-sectional shape of the rubber strip 2 .

[0015] In the embodiment of th...

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Abstract

The invention relates to a pipe end straightness measuring device, which comprises a scale body. The device is characterized in that the upper edge of the scale body is a rigid horizontal rod, the lower edge of the scale body is an elastic rubber strip, the two ends of the horizontal rod are respectively connected with the two ends of the elastic rubber strip by two rigid vertical rods same in height, the rubber strip is provided with a slide block, and the slide block is provided with a vertical scale. The device has the advantages that the structure is novel and skillful, the operation is simple, the safety and the reliability are realized, the convenience in use is realized, the pipe end straightness of an oil well pipe can be simply, quickly and accurately measured, the precision can reach 0.1mm, and the detection efficiency is very high. The device is suitable for measuring the pipe end straightness of pipe-shaped objects different in sizes, so the universality is high.

Description

technical field [0001] The invention relates to a measuring instrument for measuring the size of an oil well pipe, in particular to a measuring device for the straightness of the end of the oil well pipe. Background technique [0002] The current method of testing the straightness of the end of the oil well pipe is to place a long thickened and non-deformable steel ruler longitudinally on the end of the steel pipe, and then check the gap between them through the side, and use a group of feeler gauges to detect the largest gap. The distance is the straightness of the end of the steel pipe. The disadvantage of this method is that the operation is time-consuming and laborious, and the detection accuracy is not high. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies in the prior art, and provide a pipe end straightness measuring device with a novel and ingenious structure, which is simple to operate, safe and reliable, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/25
Inventor 孟文华卢锋岗
Owner WUXI SEAMLESS OIL PIPE
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