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A kind of measuring device and measuring method for full length straightness of steel pipeline

A measuring device and straightness technology, applied in the direction of measuring device, mechanical measuring device, using mechanical device, etc., can solve the problem of unsuitable steel pipe detection, and achieve the effect of easy automatic adjustment, time saving and accurate measuring method

Active Publication Date: 2018-11-16
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is not suitable for steel pipe detection

Method used

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  • A kind of measuring device and measuring method for full length straightness of steel pipeline
  • A kind of measuring device and measuring method for full length straightness of steel pipeline
  • A kind of measuring device and measuring method for full length straightness of steel pipeline

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Embodiment Construction

[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0044] like Figures 1 to 8 As shown, in a measuring device for the straightness of a steel pipeline provided by the present invention, there are two rectangular chutes on the A-end longitudinal clamping plate 6, in which the first A-end is aligned with the slider 1 and the first A-end respectively. Two A end alignment sliders 3, the second A end alignment slider 3 and the first A end alignment slider 1 are respectively the second A segment alignment head 2 and the first A end alignment head 38, and the second A end alignment head 38. The side of the end alignment slider 3 is fixedly connected to the handle 4 of the A end slider, and the inner wall of the rectangular chute is in close contact with the alignment slider. When the alignment slider moves upward to the maximum stroke, the inner wall of the rectangular chute and the alignment slider The friction b...

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Abstract

The invention discloses a device and method for measuring the full-length straightness of a steel pipe. The device comprises an end-A position calibration block, an end-B position calibration block and a straightness measuring device. The method comprises the steps of: 1, placing the end-A position calibration block on the upper vertex of the end A of a steel pipe to be measured; 2, placing the end-B position calibration block on the upper vertex of the end B of the steel pipe to be measured; 3, adjusting the positions of the end-A position calibration block, the end-B position calibration block, and the steel pipe, and the positions of an end-A alignment head and an end-B alignment head in order to meet a measurement requirement; 4, enabling a fine steel wire to pass through a first longitudinal through hole, a third longitudinal through hole and a second longitudinal through hole to be fixed to an end-B vertical board in order that the fine steel wire forms a straight line; 5, adjusting the length of an outer sliding rod on the straightness measuring device; and 6, enabling the straightness measuring device to move to the end B of the steel pipe to be measured along the end A of the steel pipe to be measured to determine whether the straightness of the steel pipe to be measured meet the requirement.

Description

Technical field: [0001] The invention belongs to the technical field of measuring straightness, and in particular relates to a measuring device and a measuring method for the full-length straightness of steel pipelines. Background technique: [0002] In the oil industry, pipelines are the most economical and reasonable transportation method for transporting oil and natural gas. Oil well pipes and oil and gas pipelines are the two most used types in pipeline transportation in the oil industry. In order to ensure the quality and safety of the steel pipes produced, various performance parameters of the steel pipes are stipulated in national and industry standards, one of which is the full-length straightness of the steel pipes. The conventional measurement method is to tighten the wire or steel wire at both ends of the steel pipe, and use a ruler to measure the distance between the lowest point on the cross section of the steel pipe and the pulled wire or steel wire, and compar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/245
CPCG01B5/245
Inventor 罗华权曹峰杨力能张雪琴解学东李京川
Owner BC P INC CHINA NAT PETROLEUM CORP
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