Large-diameter pipeline measuring device
A technology for large-diameter pipes and measuring devices, which is applied in the direction of measuring devices, mechanical measuring devices, and mechanical devices, etc. It can solve the problems of low measurement accuracy and low measurement efficiency, and achieve the effect of improving measurement efficiency and accuracy
Active Publication Date: 2018-02-09
STATE GRID CORP OF CHINA +1
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problems of low measurement efficiency and low measurement accuracy in the measurement of large-diameter pipelines in metal supervision, and to provide a large-diameter pipeline measurement device, which can effectively improve the measurement efficiency of large-diameter pipelines , at the same time it is beneficial to improve the accuracy of large-diameter pipe measurement
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as figure 1 As shown, a measuring device for large-diameter pipelines is suitable for measuring the diameter of large-diameter steel pipes in metal supervision, and includes a measuring device and a correction device. A rotatable storage shaft 11 is provided at the center of the box body, and a flexible strip-shaped substrate 12 is wound around the storage shaft. Of course, one end of the substrate needs to be fixed on the storage shaft first, and then the substrate is rolled It is wound on the storage shaft, and the winding box needs to be provided with a corresponding outlet, and the other end of the substrate passes through the outlet. In addition, scales for measurement are provided on the left and right sides of the two side surfaces of the substrate, thereby forming a structure similar to a tape measure. When the length need...
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The invention discloses a large-diameter pipeline measuring device, which comprises a measuring device and a correcting device, wherein the measuring device comprises a substrate which is wound in a winding box body and provided with scales, the surface of the substrate is provided with a plurality of flexible magnet pieces which are arranged at intervals, the correcting device comprises a connector and a steel wire rope, the steel wire rope is provided with a plurality of bearings, the connector comprises an elastic element, two ends of the elastic element are respectively provided with a clamping component and a tensioner, the steel wire rope encircles the pipeline by a round when measurement is performed, then the elastic element is enabled to stretch by the tensioner, and thus the steel wire rope is enabled to be tensioned on the pipeline; the substrate encircles the pipeline by a round by taking the steel wire rope as a benchmark, and the substrate is attracted and positioned at apart close to the steel wire rope on the outer lateral wall of the pipeline by the aid of the attraction of the flexible magnet pieces, so that the substrate is enabled to be located in a plane perpendicular to an axis of the pipeline, and the perimeter of the pipeline can be accurately measured. The large-diameter pipeline measuring device not only can effectively improve the large-diameter pipeline measuring efficiency, but also is conducive to improving the accuracy of large-diameter pipeline measurement.
Description
technical field [0001] The invention relates to the technical field of metal monitoring, in particular to a measuring device for large-diameter pipelines used in metal monitoring. Background technique [0002] Metal supervision is also called metal technical supervision. It is a major measure to ensure the safety of power equipment and economical and stable power supply. The metal supervision work shall implement technical supervision and management of the whole process of equipment selection, design, manufacture, installation, commissioning, trial production, operation, decommissioning, maintenance and technical transformation, and take effective technical supervision measures to find problems in time to reduce and intercept the Periodic failure and damage of metal equipment in each of the above processes. The measurement of various pipelines is a basic work of metal supervision. Since there are many large-diameter pipes with large diameters in power equipment, and since ...
Claims
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IPC IPC(8): G01B5/02
Inventor 周刚王文范明程重屠晔炜夏强峰黄国良徐东辉何升华汪春萌汤晓石冯耀轩宋明月申志成
Owner STATE GRID CORP OF CHINA