Sealing device of hydraulic oil cylinder and hydraulic oil cylinder
The invention provides a sealing device of a hydraulic oil cylinder and the hydraulic oil cylinder, and belongs to the technical field of underwater operation. The hydraulic oil cylinder comprises a piston rod and a cylinder body which are sequentially arranged in water in the vertical direction fro...
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| creator | TIAN CHONGXING XU XIAO CHEN JIAJUN ZHU ZHENGDU |
| description | The invention provides a sealing device of a hydraulic oil cylinder and the hydraulic oil cylinder, and belongs to the technical field of underwater operation. The hydraulic oil cylinder comprises a piston rod and a cylinder body which are sequentially arranged in water in the vertical direction from top to bottom. The sealing device comprises an isolation hood filled with gas, gas supplementing equipment, a first pressure sensor and a second pressure sensor, the isolation hood is arranged outside the hydraulic oil cylinder in a sleeving mode, the upper end of the isolation hood is fixed outside the piston rod in a sealed mode, the lower end of the isolation hood is located outside the cylinder body, the gas supplementing equipment communicates with the interior of the isolation hood, thefirst pressure sensor is arranged on the inner wall of the isolation hood, the second pressure sensor is arranged on the outer wall of the isolation hood, and the first pressure sensor and the secondpressure sensor are corres |
| format | Patent |
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The hydraulic oil cylinder comprises a piston rod and a cylinder body which are sequentially arranged in water in the vertical direction from top to bottom. The sealing device comprises an isolation hood filled with gas, gas supplementing equipment, a first pressure sensor and a second pressure sensor, the isolation hood is arranged outside the hydraulic oil cylinder in a sleeving mode, the upper end of the isolation hood is fixed outside the piston rod in a sealed mode, the lower end of the isolation hood is located outside the cylinder body, the gas supplementing equipment communicates with the interior of the isolation hood, thefirst pressure sensor is arranged on the inner wall of the isolation hood, the second pressure sensor is arranged on the outer wall of the isolation hood, and the first pressure sensor and the secondpressure sensor are corres</description><language>chi ; eng</language><subject>BLASTING ; CYLINDERS ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; ENGINEERING ELEMENTS AND UNITS ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; PISTONS ; SEALINGS ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200825&DB=EPODOC&CC=CN&NR=111577700A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200825&DB=EPODOC&CC=CN&NR=111577700A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TIAN CHONGXING</creatorcontrib><creatorcontrib>XU XIAO</creatorcontrib><creatorcontrib>CHEN JIAJUN</creatorcontrib><creatorcontrib>ZHU ZHENGDU</creatorcontrib><title>Sealing device of hydraulic oil cylinder and hydraulic oil cylinder</title><description>The invention provides a sealing device of a hydraulic oil cylinder and the hydraulic oil cylinder, and belongs to the technical field of underwater operation. The hydraulic oil cylinder comprises a piston rod and a cylinder body which are sequentially arranged in water in the vertical direction from top to bottom. 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The hydraulic oil cylinder comprises a piston rod and a cylinder body which are sequentially arranged in water in the vertical direction from top to bottom. The sealing device comprises an isolation hood filled with gas, gas supplementing equipment, a first pressure sensor and a second pressure sensor, the isolation hood is arranged outside the hydraulic oil cylinder in a sleeving mode, the upper end of the isolation hood is fixed outside the piston rod in a sealed mode, the lower end of the isolation hood is located outside the cylinder body, the gas supplementing equipment communicates with the interior of the isolation hood, thefirst pressure sensor is arranged on the inner wall of the isolation hood, the second pressure sensor is arranged on the outer wall of the isolation hood, and the first pressure sensor and the secondpressure sensor are corres</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING CYLINDERS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS |
| title | Sealing device of hydraulic oil cylinder and hydraulic oil cylinder |
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