Hydraulic system and hydraulic control device and crane
The utility model discloses a hydraulic control device which comprises a control valve, a flow distributing and collecting valve, a first oil inflow and outflow port, a second oil inflow and outflow port and a third oil inflow and outflow port. The flow distributing and collecting valve comprises a...
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| creator | SHANGGUAN XIANGRU WANG YUNFENG LIU SHIJIE |
| description | The utility model discloses a hydraulic control device which comprises a control valve, a flow distributing and collecting valve, a first oil inflow and outflow port, a second oil inflow and outflow port and a third oil inflow and outflow port. The flow distributing and collecting valve comprises a flow collecting port, a first flow distributing port and a second flow distributing port. The control valve has a first operating state and a second operating state. In the first operating state, the first oil inflow and outflow port is communicated with the flow collecting port of the flow distributing and collecting valve, and the first flow distributing port is communicated with the second oil inflow and outflow port. In the second operating state, the control valve controls hydraulic oil in the first oil inflow and outflow port to flow to the second oil inflow and outflow port and prevents the hydraulic oil in the first oil inflow and outflow port from flowing to the third oil inflow and outflow port; or the co |
| format | Patent |
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The flow distributing and collecting valve comprises a flow collecting port, a first flow distributing port and a second flow distributing port. The control valve has a first operating state and a second operating state. In the first operating state, the first oil inflow and outflow port is communicated with the flow collecting port of the flow distributing and collecting valve, and the first flow distributing port is communicated with the second oil inflow and outflow port. In the second operating state, the control valve controls hydraulic oil in the first oil inflow and outflow port to flow to the second oil inflow and outflow port and prevents the hydraulic oil in the first oil inflow and outflow port from flowing to the third oil inflow and outflow port; or the co</description><language>chi ; eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2013</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=20130417&DB=EPODOC&CC=CN&NR=202883526U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130417&DB=EPODOC&CC=CN&NR=202883526U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHANGGUAN XIANGRU</creatorcontrib><creatorcontrib>WANG YUNFENG</creatorcontrib><creatorcontrib>LIU SHIJIE</creatorcontrib><title>Hydraulic system and hydraulic control device and crane</title><description>The utility model discloses a hydraulic control device which comprises a control valve, a flow distributing and collecting valve, a first oil inflow and outflow port, a second oil inflow and outflow port and a third oil inflow and outflow port. The flow distributing and collecting valve comprises a flow collecting port, a first flow distributing port and a second flow distributing port. The control valve has a first operating state and a second operating state. In the first operating state, the first oil inflow and outflow port is communicated with the flow collecting port of the flow distributing and collecting valve, and the first flow distributing port is communicated with the second oil inflow and outflow port. In the second operating state, the control valve controls hydraulic oil in the first oil inflow and outflow port to flow to the second oil inflow and outflow port and prevents the hydraulic oil in the first oil inflow and outflow port from flowing to the third oil inflow and outflow port; or the co</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD3qEwpSizNyUxWKK4sLknNVUjMS1HIgAsm5-eVFOXnKKSklmUmp4Ilk4sS81J5GFjTEnOKU3mhNDeDkptriLOHbmpBfnxqcUFicmpeakm8s5-RgZGFhbGpkVloqDFRigBAWS7J</recordid><startdate>20130417</startdate><enddate>20130417</enddate><creator>SHANGGUAN XIANGRU</creator><creator>WANG YUNFENG</creator><creator>LIU SHIJIE</creator><scope>EVB</scope></search><sort><creationdate>20130417</creationdate><title>Hydraulic system and hydraulic control device and crane</title><author>SHANGGUAN XIANGRU ; WANG YUNFENG ; LIU SHIJIE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN202883526UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHANGGUAN XIANGRU</creatorcontrib><creatorcontrib>WANG YUNFENG</creatorcontrib><creatorcontrib>LIU SHIJIE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHANGGUAN XIANGRU</au><au>WANG YUNFENG</au><au>LIU SHIJIE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hydraulic system and hydraulic control device and crane</title><date>2013-04-17</date><risdate>2013</risdate><abstract>The utility model discloses a hydraulic control device which comprises a control valve, a flow distributing and collecting valve, a first oil inflow and outflow port, a second oil inflow and outflow port and a third oil inflow and outflow port. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN202883526UU |
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| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | Hydraulic system and hydraulic control device and crane |
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