Water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine
The utility model discloses a water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine, including the valve body, the K type goes out liquid and connects, and constant flow feeds back the case, sets for adjusting bolt, the flow control valve core, and the...
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| creator | ZHAO QIANG LI CHAO LIU GUOLI WANG JIAN YIN ZHAOYUAN XIAO GUOGANG ZHANG YUAN TU LEI |
| description | The utility model discloses a water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine, including the valve body, the K type goes out liquid and connects, and constant flow feeds back the case, sets for adjusting bolt, the flow control valve core, and the feed liquor pressure tapping, the pressure protection valve core, K type liquid inlet connector, the undervoltage protection spring, under -voltage adjusting bolt goes out the hydraulic pressure table and connects overpressure protection valve unit. Highly pressurised liquid flows in the valve body through K type liquid inlet connector, the pressure protection valve core is closed feed liquor hole under the effort of undervoltage protection spring, and the K type goes out the liquid joint does not have liquid to flow out for execute component, is in the undervoltage protection state, supply the hydraulic pressure surpass the institute during set pressure, it carries out the off -load to get into overpressure protection valve unit spare, the maintaining valve system is required pressure all, this device has the fluid pressure that supplies and crosses closed feed liquor hole when hanging down, overpressure protection valve unit spare sound production warning off -load when supplying the hydraulic pressure superelevation, play undervoltage protection superpressure alarming function among the valve body hydraulic system. |
| format | Patent |
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Highly pressurised liquid flows in the valve body through K type liquid inlet connector, the pressure protection valve core is closed feed liquor hole under the effort of undervoltage protection spring, and the K type goes out the liquid joint does not have liquid to flow out for execute component, is in the undervoltage protection state, supply the hydraulic pressure surpass the institute during set pressure, it carries out the off -load to get into overpressure protection valve unit spare, the maintaining valve system is required pressure all, this device has the fluid pressure that supplies and crosses closed feed liquor hole when hanging down, overpressure protection valve unit spare sound production warning off -load when supplying the hydraulic pressure superelevation, play undervoltage protection superpressure alarming function among the valve body hydraulic system.</description><language>eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2015</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=20151118&DB=EPODOC&CC=CN&NR=204784861U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151118&DB=EPODOC&CC=CN&NR=204784861U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHAO QIANG</creatorcontrib><creatorcontrib>LI CHAO</creatorcontrib><creatorcontrib>LIU GUOLI</creatorcontrib><creatorcontrib>WANG JIAN</creatorcontrib><creatorcontrib>YIN ZHAOYUAN</creatorcontrib><creatorcontrib>XIAO GUOGANG</creatorcontrib><creatorcontrib>ZHANG YUAN</creatorcontrib><creatorcontrib>TU LEI</creatorcontrib><title>Water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine</title><description>The utility model discloses a water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine, including the valve body, the K type goes out liquid and connects, and constant flow feeds back the case, sets for adjusting bolt, the flow control valve core, and the feed liquor pressure tapping, the pressure protection valve core, K type liquid inlet connector, the undervoltage protection spring, under -voltage adjusting bolt goes out the hydraulic pressure table and connects overpressure protection valve unit. Highly pressurised liquid flows in the valve body through K type liquid inlet connector, the pressure protection valve core is closed feed liquor hole under the effort of undervoltage protection spring, and the K type goes out the liquid joint does not have liquid to flow out for execute component, is in the undervoltage protection state, supply the hydraulic pressure surpass the institute during set pressure, it carries out the off -load to get into overpressure protection valve unit spare, the maintaining valve system is required pressure all, this device has the fluid pressure that supplies and crosses closed feed liquor hole when hanging down, overpressure protection valve unit spare sound production warning off -load when supplying the hydraulic pressure superelevation, play undervoltage protection superpressure alarming function among the valve body hydraulic system.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjL0KwjAURrs4iPoOF3fBn2K7F8XJyeJYLsnXEohJvPnx9VXwAZzOcA5nXuk7JwipnJJxE2kUo0AxB0gQxJgF9GJxX5mdhhRvE0-gID5BJeMdWfPMRhMrlSOosC2g0X-mni09jMOymo1sI1Y_Lqr1-XTrLhsEPyAGVnBIQ3fdb-umrdvjru8Pf0VvEKpAvg</recordid><startdate>20151118</startdate><enddate>20151118</enddate><creator>ZHAO QIANG</creator><creator>LI CHAO</creator><creator>LIU GUOLI</creator><creator>WANG JIAN</creator><creator>YIN ZHAOYUAN</creator><creator>XIAO GUOGANG</creator><creator>ZHANG YUAN</creator><creator>TU LEI</creator><scope>EVB</scope></search><sort><creationdate>20151118</creationdate><title>Water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine</title><author>ZHAO QIANG ; LI CHAO ; LIU GUOLI ; WANG JIAN ; YIN ZHAOYUAN ; XIAO GUOGANG ; ZHANG YUAN ; TU LEI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN204784861UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHAO QIANG</creatorcontrib><creatorcontrib>LI CHAO</creatorcontrib><creatorcontrib>LIU GUOLI</creatorcontrib><creatorcontrib>WANG JIAN</creatorcontrib><creatorcontrib>YIN ZHAOYUAN</creatorcontrib><creatorcontrib>XIAO GUOGANG</creatorcontrib><creatorcontrib>ZHANG YUAN</creatorcontrib><creatorcontrib>TU LEI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHAO QIANG</au><au>LI CHAO</au><au>LIU GUOLI</au><au>WANG JIAN</au><au>YIN ZHAOYUAN</au><au>XIAO GUOGANG</au><au>ZHANG YUAN</au><au>TU LEI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine</title><date>2015-11-18</date><risdate>2015</risdate><abstract>The utility model discloses a water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine, including the valve body, the K type goes out liquid and connects, and constant flow feeds back the case, sets for adjusting bolt, the flow control valve core, and the feed liquor pressure tapping, the pressure protection valve core, K type liquid inlet connector, the undervoltage protection spring, under -voltage adjusting bolt goes out the hydraulic pressure table and connects overpressure protection valve unit. Highly pressurised liquid flows in the valve body through K type liquid inlet connector, the pressure protection valve core is closed feed liquor hole under the effort of undervoltage protection spring, and the K type goes out the liquid joint does not have liquid to flow out for execute component, is in the undervoltage protection state, supply the hydraulic pressure surpass the institute during set pressure, it carries out the off -load to get into overpressure protection valve unit spare, the maintaining valve system is required pressure all, this device has the fluid pressure that supplies and crosses closed feed liquor hole when hanging down, overpressure protection valve unit spare sound production warning off -load when supplying the hydraulic pressure superelevation, play undervoltage protection superpressure alarming function among the valve body hydraulic system.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Water cutting device superpressure warning undervoltage protection liquid accuse valve for coal mine |
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