Buried pipeline detection device with replaceable inspection sheet
A technology of buried pipelines and detection devices, which is applied to pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc. It can solve problems such as high testing costs, non-recyclable utilization, waste of resources, etc., to reduce installation costs and reduce production cost effect
Pending Publication Date: 2020-06-26
北京永逸舒克防腐蚀技术有限公司
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Problems solved by technology
However, in the prior art, the detection components are often fixedly connected with the inspection piece, which is not easy to disassemble, and can only be detected once, and cannot be recycled, resulting in a waste of resources. higher cost
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[0017] Such as figure 1 As shown, a specific embodiment of a buried pipeline inspection device with a replaceable inspection sheet in the present invention includes an inspection sheet assembly and a support assembly, and is characterized in that the inspection sheet assembly includes a cylindrical base 1 and a cylindrical inspection sheet 2, The cylindrical base 1 is provided with coaxial installation holes and threaded through holes from bottom to top, and the cylindrical inspection piece 2 is installed in the installation hole of the cylindrical base 1 from bottom to top. A heat-shrinkable sleeve 3 is provided between the bases 1, and the heat-shrinkable sleeve 3 is used to prevent corrosion between the cylindrical base 1 and the cylindrical inspection piece, which will affect the test results. The top of the cylindrical inspection piece 2 is provided with a blind screw thread. hole; the support assembly includes a screw rod 4 and a hollow support rod 5, the lower end of th...
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The invention discloses a buried pipeline detection device with a replaceable inspection sheet. The detection device comprises an inspection sheet assembly and a supporting assembly; the inspection sheet assembly comprises a cylindrical base and a cylindrical inspection sheet, the cylindrical base is provided with a mounting hole and a threaded through hole which are coaxial from bottom to top, the cylindrical inspection sheet is arranged in the mounting hole of the cylindrical base, a heat shrink sleeve is arranged between the peripheral wall of the cylindrical inspection sheet and the cylindrical base, and a threaded blind hole is formed in the top of the cylindrical inspection sheet; the supporting assembly comprises a screw rod and a hollow supporting rod, an insulating sealing block is arranged in an inner cavity of the lower end of the supporting rod, a protective cap is arranged at the upper end of the supporting rod, the upper half portion of the screw rod is embedded in the insulating sealing block, and a cable is connected to the screw rod; and the inspection sheet assembly is arranged on the screw rod from bottom to top in a screwed mode through the threaded through holeof the cylindrical base and the threaded blind hole of the cylindrical inspection sheet. The buried pipeline detection device with the replaceable inspection sheet has the advantages of facilitatingsite disassembly, assembly and replacement, rapid and convenient mounting again, capable of being recycled and suitable for wide application and popularization.
Description
technical field [0001] The invention relates to the field of cathodic protection detection of pipelines, in particular to a buried pipeline detection device with replaceable inspection pieces. Background technique [0002] In the existing technology, along the gas pipeline network, test piles are set up according to the corresponding specifications. The test piles are mainly used for the detection of cathodic protection parameters. They are indispensable devices in pipeline management and maintenance. Cathodic protection pile operation and maintenance personnel need to periodically The potential of the pipeline is tested to ensure the normal operation of the cathodic protection system of the pipeline. However, the test pile can only obtain the energized potential, and cannot obtain the parameters of the corrosion rate of the pipeline. [0003] For how to obtain the corrosion rate of buried pipelines, the industry mainly uses ultrasonic wall thickness measurement method, ER ...
Claims
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Login to View More IPC IPC(8): F17D5/00F17D5/06
CPCF17D5/005F17D5/06
Inventor 张涛孙健民尹志彪高佳伟何少平褚大军邹健王生平孙谢杨马汉龙
Owner 北京永逸舒克防腐蚀技术有限公司