PL2147191T3 - Stojak hydrauliczny z prostokątnymi drutami zabezpieczającymi - Google Patents

Stojak hydrauliczny z prostokątnymi drutami zabezpieczającymi

Info

Publication number
PL2147191T3
PL2147191T3 PL08734477T PL08734477T PL2147191T3 PL 2147191 T3 PL2147191 T3 PL 2147191T3 PL 08734477 T PL08734477 T PL 08734477T PL 08734477 T PL08734477 T PL 08734477T PL 2147191 T3 PL2147191 T3 PL 2147191T3
Authority
PL
Poland
Prior art keywords
square
disposed
hydraulic ram
hydraulic prop
shield support
Prior art date
Application number
PL08734477T
Other languages
English (en)
Inventor
Wolfgang Voss
Original Assignee
Wolfgang Voss
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wolfgang Voss filed Critical Wolfgang Voss
Publication of PL2147191T3 publication Critical patent/PL2147191T3/pl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32467—Telescoping members
    • Y10T403/32475—Telescoping members having detent
    • Y10T403/32491—Threaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Package Frames And Binding Bands (AREA)
  • Materials For Medical Uses (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Soil Working Implements (AREA)
  • Supports For Pipes And Cables (AREA)
PL08734477T 2007-04-17 2008-04-09 Stojak hydrauliczny z prostokątnymi drutami zabezpieczającymi PL2147191T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007018021A DE102007018021A1 (de) 2007-04-17 2007-04-17 Hydraulikstempel mit dünnwandigen Außen- und Innenrohren
PCT/DE2008/000598 WO2008125082A2 (de) 2007-04-17 2008-04-09 Hydraulikstempel mit rechteckigen sicherungsdrähten
EP08734477A EP2147191B1 (de) 2007-04-17 2008-04-09 Hydraulikstempel mit rechteckigen sicherungsdrähten

Publications (1)

Publication Number Publication Date
PL2147191T3 true PL2147191T3 (pl) 2010-12-31

Family

ID=39767791

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08734477T PL2147191T3 (pl) 2007-04-17 2008-04-09 Stojak hydrauliczny z prostokątnymi drutami zabezpieczającymi

Country Status (7)

Country Link
US (1) US8297888B2 (pl)
EP (1) EP2147191B1 (pl)
AT (1) ATE474126T1 (pl)
AU (1) AU2008238408B2 (pl)
DE (2) DE102007018021A1 (pl)
PL (1) PL2147191T3 (pl)
WO (1) WO2008125082A2 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101944299B (zh) * 2010-07-30 2011-11-02 巩亚东 全断面掘进机虚拟施工系统
CN102477867A (zh) * 2010-11-23 2012-05-30 杨传蔚 一种新型单体液压支柱
CN102536289B (zh) * 2012-03-07 2014-04-02 中煤北京煤矿机械有限责任公司 中厚煤层两柱掩护式大中心距超高工作阻力液压支架
US8985699B2 (en) 2013-03-14 2015-03-24 Seneca Industries Inc. Mining methods and equipment
CN103244152A (zh) * 2013-05-15 2013-08-14 淮南郑煤机舜立机械有限公司 液压支柱
CN106593496B (zh) * 2016-12-09 2018-12-07 太原科技大学 填充式空心液压支柱装置
CN106934251B (zh) * 2017-04-25 2019-04-16 浙江大学城市学院 一种类矩形盾构隧道施工中地表沉降计算方法
US11655711B2 (en) 2018-09-24 2023-05-23 Joy Global Underground Mining Llc Roof support including extendable links
CN115711033A (zh) * 2022-11-18 2023-02-24 中亿丰建设集团股份有限公司 一种钢模板连接支撑装置
ZA202406099B (en) * 2023-09-21 2025-02-26 Msp Mine Support Products Pty Ltd Support prop
US12460546B1 (en) * 2024-07-16 2025-11-04 Swanson Industries, Inc. External fluid bar for fluid driven cylinder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719688A (en) * 1949-11-21 1955-10-04 Seifert Karl Telescopic tubes
DE1943419U (de) * 1965-07-13 1966-08-04 Hoesch Bergbautechnik G M B H Hydraulischer grubenstempel mit doppelter ausziehbarkeit und zwei getrennten druckraeumen.
DE2921901C2 (de) * 1979-05-30 1986-03-20 Felix 6680 Neunkirchen Ecker In eine Druckwasserleitung einsetzbarer Filter
DE10229303A1 (de) 2002-04-03 2003-10-16 Vos Richard Grubenausbau Gmbh Hydraulikstempel mit vereinzelt im Stempelkopf untergebrachten Ventilen
DE10306128A1 (de) 2003-02-14 2004-08-26 Richard Voß Grubenausbau GmbH Verfahren und Vorrichtung zur Druckerhöhung in Zylindern, insbesondere hydraulischen Stempeln
CN100535394C (zh) * 2005-10-31 2009-09-02 中国矿业大学 悬浮式液压支柱

Also Published As

Publication number Publication date
DE502008000961D1 (de) 2010-08-26
US8297888B2 (en) 2012-10-30
ATE474126T1 (de) 2010-07-15
WO2008125082A2 (de) 2008-10-23
WO2008125082A3 (de) 2009-02-05
AU2008238408B2 (en) 2013-08-01
EP2147191A2 (de) 2010-01-27
DE102007018021A1 (de) 2008-10-23
EP2147191B1 (de) 2010-07-14
AU2008238408A1 (en) 2008-10-23
US20100119311A1 (en) 2010-05-13

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