PL71115B1 - - Google Patents

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Publication number
PL71115B1
PL71115B1 PL1972155592A PL15559272A PL71115B1 PL 71115 B1 PL71115 B1 PL 71115B1 PL 1972155592 A PL1972155592 A PL 1972155592A PL 15559272 A PL15559272 A PL 15559272A PL 71115 B1 PL71115 B1 PL 71115B1
Authority
PL
Poland
Prior art keywords
cylinder
frame
bearing
piston system
bearing element
Prior art date
Application number
PL1972155592A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL71115B1 publication Critical patent/PL71115B1/pl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0427—Shield operating devices; Hinges therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
PL1972155592A 1971-12-01 1972-05-25 PL71115B1 (instruction)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2159535A DE2159535C3 (de) 1971-12-01 1971-12-01 Schildausbaugestell

Publications (1)

Publication Number Publication Date
PL71115B1 true PL71115B1 (instruction) 1974-04-30

Family

ID=5826686

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1972155592A PL71115B1 (instruction) 1971-12-01 1972-05-25

Country Status (9)

Country Link
US (1) US3779023A (instruction)
AU (1) AU462493B2 (instruction)
CS (1) CS191874B2 (instruction)
DE (1) DE2159535C3 (instruction)
FR (1) FR2161935B1 (instruction)
GB (1) GB1363188A (instruction)
HU (1) HU164308B (instruction)
PL (1) PL71115B1 (instruction)
ZA (1) ZA725009B (instruction)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419954A (en) * 1972-04-27 1975-12-31 Dowty Mining Equipment Ltd Mine roof support
DE2234452C2 (de) * 1972-07-13 1984-08-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitendes Schildausbaugestell
DE2246745C2 (de) * 1972-09-22 1974-03-07 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Rückbare Schildausbaueinheit
DE2257828C2 (de) * 1972-11-25 1974-01-17 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Vorrichtung zum schildartigen Ausbau von untertägigen Gewinnungsbetrieben
US3898845A (en) * 1973-01-31 1975-08-12 Gewerk Eisenhuette Westfalia Mineral mining installations
FR2253143B1 (instruction) * 1973-11-30 1978-11-03 Alsace Mines Potasse
DE2413538C2 (de) * 1974-03-21 1978-05-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbaugestell
DE2431740B2 (de) * 1974-07-02 1981-04-02 Johannes 4300 Essen Winkler Schildausbau für den Untertagebergbau
DE2447429A1 (de) * 1974-07-02 1976-04-08 Johannes Winkler Schildausbau mit kappenlenkvorrichtung
DE2462988C2 (de) * 1974-07-02 1983-09-22 Johannes 4300 Essen Winkler Schildausbaugestell für den Untertagebergbau
GB1486906A (en) * 1974-09-07 1977-09-28 Peake C Mining apparatus
DE2507319B2 (de) * 1975-01-11 1977-06-08 Thyssen Industrie Ag, 4300 Essen Schildausbaugestell
DE2506076C2 (de) * 1975-02-13 1976-11-18 Rheinstahl Ag Schildausbau fuer abbaustreben
DE2507263C2 (de) * 1975-02-20 1984-09-13 Johannes 4300 Essen Winkler Schildausbau mit Stabilisierungseinrichtung
US4030311A (en) * 1976-01-19 1977-06-21 Brown & Root, Inc. Method and apparatus for adjustably supporting a pipeline relative to a lay vessel
DE2634014C3 (de) * 1976-07-29 1981-03-26 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Schildausbaugestell
GB2088457B (en) 1980-11-27 1984-06-06 Dowty Mining Equipment Ltd Roof support for use in mines
CN102116163B (zh) * 2010-12-10 2013-02-20 李泽宇 一种立层液压支架
CN103696788B (zh) * 2013-12-17 2016-04-27 中国神华能源股份有限公司 空巷支护设备及综采工作面过空巷的施工方法
CN105545334B (zh) * 2016-03-07 2017-12-26 山东科技大学 连续作业可变截面式临时支护支架及其操作方法
CN114427475B (zh) * 2021-12-28 2024-12-06 煤科(北京)检测技术有限公司 试验用推溜拉架装置及其使用方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA832741A (en) * 1970-01-27 Vasilievich Martynov Boris Mechanized hydraulic timbering
US2233745A (en) * 1939-02-27 1941-03-04 Vulcan Mfg Co Inc Jack structure
FR1503990A (fr) * 1966-10-11 1967-12-01 Bennes Marrel Perfectionnements aux piles de soutènement, notamment pour les mines ou pour les chantiers souterrains
FR1600845A (instruction) * 1968-07-08 1970-08-03

Also Published As

Publication number Publication date
FR2161935B1 (instruction) 1976-01-30
CS191874B2 (en) 1979-07-31
DE2159535C3 (de) 1979-01-04
DE2159535B2 (de) 1974-03-21
AU4434872A (en) 1974-07-11
DE2159535A1 (de) 1973-06-07
GB1363188A (en) 1974-08-14
AU462493B2 (en) 1975-06-26
FR2161935A1 (instruction) 1973-07-13
HU164308B (instruction) 1974-01-28
ZA725009B (en) 1973-04-25
US3779023A (en) 1973-12-18

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