Non-stop in-pipeline hydraulic plugging device and use method thereof
The invention relates to a non-stop in-pipeline hydraulic plugging device and a use method thereof and can improve the sealing effect of a to-be-plugged pipeline. A tensioning hydraulic cylinder is mounted in a plug of the device, and a tensioning piston rod of the tensioning hydraulic cylinder is c...
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| creator | WEI ZHONGGE LIU HONGWU WANG LIMIN HOU XIAOYUN JI YANTAO WEI KEYUAN ZHENG HAI WANG QINGYUAN LIU GUANGZHENG |
| description | The invention relates to a non-stop in-pipeline hydraulic plugging device and a use method thereof and can improve the sealing effect of a to-be-plugged pipeline. A tensioning hydraulic cylinder is mounted in a plug of the device, and a tensioning piston rod of the tensioning hydraulic cylinder is connected with a plug mounting seat through a swing rotation shaft; one end of each of two hydraulicrubber hoses is connected with an oil port of a manual reversing valve fixed outside a plugging header, the other ends are connected with an oil inlet A and an oil inlet B on the tensioning piston rodrespectively, and the manual reversing valve is connected with a hydraulic power source; when the plug is in an initial mounting position, the outer diameter of the plug is smaller than the inner diameter of the to-be-plugged pipeline, and after the plug works in a working position, outer diameter of the plug is larger than the inner diameter of the to-be-plugged pipeline. The device is not affected by objective factors s |
| format | Patent |
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A tensioning hydraulic cylinder is mounted in a plug of the device, and a tensioning piston rod of the tensioning hydraulic cylinder is connected with a plug mounting seat through a swing rotation shaft; one end of each of two hydraulicrubber hoses is connected with an oil port of a manual reversing valve fixed outside a plugging header, the other ends are connected with an oil inlet A and an oil inlet B on the tensioning piston rodrespectively, and the manual reversing valve is connected with a hydraulic power source; when the plug is in an initial mounting position, the outer diameter of the plug is smaller than the inner diameter of the to-be-plugged pipeline, and after the plug works in a working position, outer diameter of the plug is larger than the inner diameter of the to-be-plugged pipeline. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN107676568A |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS |
| title | Non-stop in-pipeline hydraulic plugging device and use method thereof |
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