AU534958B2 - Movable mine roof support limiting device - Google Patents

Movable mine roof support limiting device

Info

Publication number
AU534958B2
AU534958B2 AU59261/80A AU5926180A AU534958B2 AU 534958 B2 AU534958 B2 AU 534958B2 AU 59261/80 A AU59261/80 A AU 59261/80A AU 5926180 A AU5926180 A AU 5926180A AU 534958 B2 AU534958 B2 AU 534958B2
Authority
AU
Australia
Prior art keywords
limiting device
roof support
mine roof
support limiting
movable mine
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU59261/80A
Other languages
English (en)
Other versions
AU5926180A (en
Inventor
Fredrich Eggenstein
Karl-Heinz Plester
Harry Rosenberg
Gunter Terhorst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of AU5926180A publication Critical patent/AU5926180A/en
Application granted granted Critical
Publication of AU534958B2 publication Critical patent/AU534958B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
AU59261/80A 1979-06-16 1980-06-12 Movable mine roof support limiting device Ceased AU534958B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29243809 1979-06-16
DE19792924380 DE2924380A1 (de) 1979-06-16 1979-06-16 Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben

Publications (2)

Publication Number Publication Date
AU5926180A AU5926180A (en) 1981-01-08
AU534958B2 true AU534958B2 (en) 1984-02-23

Family

ID=6073400

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59261/80A Ceased AU534958B2 (en) 1979-06-16 1980-06-12 Movable mine roof support limiting device

Country Status (5)

Country Link
US (1) US4379424A (https=)
AU (1) AU534958B2 (https=)
DE (1) DE2924380A1 (https=)
FR (1) FR2459394B1 (https=)
GB (1) GB2051956B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403906A1 (de) * 1984-02-04 1985-08-08 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer hydraulische ausbaugestelle in bergbau-untertagebetrieben
DE8505017U1 (de) * 1985-02-22 1985-05-15 Festo KG, 7300 Esslingen Hydraulischer oder pneumatischer arbeitszylinder
DE29509582U1 (de) * 1995-06-12 1995-08-24 Afag AG für automatische Fertigungstechnik, Aarberg Linearmodul
CN110762077A (zh) * 2019-10-24 2020-02-07 无锡诺忆重工有限公司 二级行程可调的液压油缸
CN113006851B (zh) * 2021-03-19 2022-12-06 中煤科工开采研究院有限公司 一种矿用液压支架限位推移机构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442306A (en) * 1945-08-13 1948-05-25 Deere Mfg Co Fluid power unit
US2804944A (en) * 1953-02-05 1957-09-03 Ford Motor Co Remote control cylinder
US3177976A (en) * 1963-12-18 1965-04-13 Case Co J I Adjustable stop for hydraulic cylinder
US3309116A (en) * 1964-09-10 1967-03-14 Deere & Co Split sleeve assembly
DE1226972B (de) * 1964-10-20 1966-10-20 Gewerk Eisenhuette Westfalia Hydraulischer Doppel-Teleskopstempel
LU56825A1 (https=) * 1968-09-05 1970-03-05
DE2220452C3 (de) * 1972-04-26 1980-03-20 Kloeckner-Werke Ag, 4100 Duisburg Rückzylinder für Strebförderer mit einer eingebauten Dosiervorrichtung zur Hubbegrenzung
DE2651398A1 (de) * 1976-11-11 1978-05-18 Willi Horcher Stell- oder betaetigungsorgan fuer ein hin und her zu bewegendes funktionselement
US4155433A (en) * 1977-10-04 1979-05-22 P. L. Porter Company Stroke-limiting stop for positioning device
US4177681A (en) * 1978-04-06 1979-12-11 The United States Of America As Represented By The Secretary Of The Air Force Apparatus for adjusting and locking a linear actuator

Also Published As

Publication number Publication date
DE2924380A1 (de) 1981-01-08
FR2459394B1 (fr) 1986-03-07
GB2051956B (en) 1983-05-25
DE2924380C2 (https=) 1987-06-25
GB2051956A (en) 1981-01-21
AU5926180A (en) 1981-01-08
US4379424A (en) 1983-04-12
FR2459394A1 (fr) 1981-01-09

Similar Documents

Publication Publication Date Title
AU535741B2 (en) Mine roof support
AU4630779A (en) Mine roof support
JPS5612500A (en) Gauntryytype roof support device
AU513938B2 (en) Mine roof support insecting device
AU533680B2 (en) Roof support advance initiating means
AU4934479A (en) Mine roof support
AU514816B2 (en) Mine roof support unit
AU527664B2 (en) Mine roof support
AU539027B2 (en) Mine roof support
AU535255B2 (en) Mine roof support
AU5889980A (en) Mine roof support
AU6008780A (en) Movable mine roof support
AU507199B2 (en) Mine roof support
AU534958B2 (en) Movable mine roof support limiting device
AU5531280A (en) Mine roof supporting cap
AU513831B2 (en) Mine roof support
AU5480780A (en) Mine roof support structure
GB2062736B (en) Movable mine roof supports
AU512807B2 (en) Mine roof support
GB2041056B (en) Mine roof support
AU5621880A (en) Mine roof support
AU5622180A (en) Mine roof support
YU40779A (en) Movable roof support
AU509119B2 (en) Mine roof support
AU534250B2 (en) Telescoping mine roof support