HYDRAULIC DRIVING DEVICE OF SHIELD JACK AND SHIELD MACHINE
PROBLEM TO BE SOLVED: To allow a releasing connecting means to selectively connect and release mutual adjacent shield jacks according to extending-contracting operation when extending and contracting the shield jacks of a corresponding position according to assembling order of segments. SOLUTION: In...
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| creator | SAKAGAMI YOSHIHARU MATSUFUJI HIROYUKI HAGA YUKIO ISHII TOSHIHISA HARA SHUICHI |
| description | PROBLEM TO BE SOLVED: To allow a releasing connecting means to selectively connect and release mutual adjacent shield jacks according to extending-contracting operation when extending and contracting the shield jacks of a corresponding position according to assembling order of segments. SOLUTION: In this hydraulic driving device of the shield jacks for supplying pressure oil from a hydraulic pump 102 driven by a prime mover 102 to a hydraulic cylinder 15A for a plurality of shield jacks, a plurality of selecting valves 106 capable of individually selecting operation of the hydraulic cylinder 15a for the respective shield jacks are connected to a bottom side oil chamber 15c of the hydraulic cylinder 15A for the respective shield jacks, and a back pressure generating pressure control valve 108 for imparting prescribed back pressure to the rod side of the hydraulic cylinder 15A for these shield jacks is connected to a rod side oil chamber 15d of the hydraulic cylinder 15A for the respective shield jacks. |
| format | Patent |
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SOLUTION: In this hydraulic driving device of the shield jacks for supplying pressure oil from a hydraulic pump 102 driven by a prime mover 102 to a hydraulic cylinder 15A for a plurality of shield jacks, a plurality of selecting valves 106 capable of individually selecting operation of the hydraulic cylinder 15a for the respective shield jacks are connected to a bottom side oil chamber 15c of the hydraulic cylinder 15A for the respective shield jacks, and a back pressure generating pressure control valve 108 for imparting prescribed back pressure to the rod side of the hydraulic cylinder 15A for these shield jacks is connected to a rod side oil chamber 15d of the hydraulic cylinder 15A for the respective shield jacks.</description><edition>7</edition><language>eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; GALLERIES ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LARGE UNDERGROUND CHAMBERS ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; SHAFTS ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; TUNNELS ; WEAPONS</subject><creationdate>2002</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=20020719&DB=EPODOC&CC=JP&NR=2002201892A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020719&DB=EPODOC&CC=JP&NR=2002201892A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAKAGAMI YOSHIHARU</creatorcontrib><creatorcontrib>MATSUFUJI HIROYUKI</creatorcontrib><creatorcontrib>HAGA YUKIO</creatorcontrib><creatorcontrib>ISHII TOSHIHISA</creatorcontrib><creatorcontrib>HARA SHUICHI</creatorcontrib><title>HYDRAULIC DRIVING DEVICE OF SHIELD JACK AND SHIELD MACHINE</title><description>PROBLEM TO BE SOLVED: To allow a releasing connecting means to selectively connect and release mutual adjacent shield jacks according to extending-contracting operation when extending and contracting the shield jacks of a corresponding position according to assembling order of segments. SOLUTION: In this hydraulic driving device of the shield jacks for supplying pressure oil from a hydraulic pump 102 driven by a prime mover 102 to a hydraulic cylinder 15A for a plurality of shield jacks, a plurality of selecting valves 106 capable of individually selecting operation of the hydraulic cylinder 15a for the respective shield jacks are connected to a bottom side oil chamber 15c of the hydraulic cylinder 15A for the respective shield jacks, and a back pressure generating pressure control valve 108 for imparting prescribed back pressure to the rod side of the hydraulic cylinder 15A for these shield jacks is connected to a rod side oil chamber 15d of the hydraulic cylinder 15A for the respective shield jacks.</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>GALLERIES</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>TUNNELS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDyiHQJcgz18XRWcAnyDPP0c1dwcQ3zdHZV8HdTCPbwdPVxUfBydPZWcPRzgfF9HZ09PP1ceRhY0xJzilN5oTQ3g5Kba4izh25qQX58anFBYnJqXmpJvFeAkYGBkZGBoYWlkaMxUYoAx_Eo2Q</recordid><startdate>20020719</startdate><enddate>20020719</enddate><creator>SAKAGAMI YOSHIHARU</creator><creator>MATSUFUJI HIROYUKI</creator><creator>HAGA YUKIO</creator><creator>ISHII TOSHIHISA</creator><creator>HARA SHUICHI</creator><scope>EVB</scope></search><sort><creationdate>20020719</creationdate><title>HYDRAULIC DRIVING DEVICE OF SHIELD JACK AND SHIELD MACHINE</title><author>SAKAGAMI YOSHIHARU ; MATSUFUJI HIROYUKI ; HAGA YUKIO ; ISHII TOSHIHISA ; HARA SHUICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2002201892A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>GALLERIES</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>TUNNELS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SAKAGAMI YOSHIHARU</creatorcontrib><creatorcontrib>MATSUFUJI HIROYUKI</creatorcontrib><creatorcontrib>HAGA YUKIO</creatorcontrib><creatorcontrib>ISHII TOSHIHISA</creatorcontrib><creatorcontrib>HARA SHUICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SAKAGAMI YOSHIHARU</au><au>MATSUFUJI HIROYUKI</au><au>HAGA YUKIO</au><au>ISHII TOSHIHISA</au><au>HARA SHUICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HYDRAULIC DRIVING DEVICE OF SHIELD JACK AND SHIELD MACHINE</title><date>2002-07-19</date><risdate>2002</risdate><abstract>PROBLEM TO BE SOLVED: To allow a releasing connecting means to selectively connect and release mutual adjacent shield jacks according to extending-contracting operation when extending and contracting the shield jacks of a corresponding position according to assembling order of segments. SOLUTION: In this hydraulic driving device of the shield jacks for supplying pressure oil from a hydraulic pump 102 driven by a prime mover 102 to a hydraulic cylinder 15A for a plurality of shield jacks, a plurality of selecting valves 106 capable of individually selecting operation of the hydraulic cylinder 15a for the respective shield jacks are connected to a bottom side oil chamber 15c of the hydraulic cylinder 15A for the respective shield jacks, and a back pressure generating pressure control valve 108 for imparting prescribed back pressure to the rod side of the hydraulic cylinder 15A for these shield jacks is connected to a rod side oil chamber 15d of the hydraulic cylinder 15A for the respective shield jacks.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2002201892A |
| source | esp@cenet |
| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EARTH DRILLING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GALLERIES HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TUNNELS WEAPONS |
| title | HYDRAULIC DRIVING DEVICE OF SHIELD JACK AND SHIELD MACHINE |
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