FR2475153B1 - Dispositif d'alimentation en fluide hydraulique - Google Patents

Dispositif d'alimentation en fluide hydraulique

Info

Publication number
FR2475153B1
FR2475153B1 FR8101601A FR8101601A FR2475153B1 FR 2475153 B1 FR2475153 B1 FR 2475153B1 FR 8101601 A FR8101601 A FR 8101601A FR 8101601 A FR8101601 A FR 8101601A FR 2475153 B1 FR2475153 B1 FR 2475153B1
Authority
FR
France
Prior art keywords
supply device
hydraulic fluid
fluid supply
hydraulic
supply
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.)
Expired
Application number
FR8101601A
Other languages
English (en)
Other versions
FR2475153A1 (fr
Inventor
Hans-Theodor Grisebach
Willy Kussel
Walter Weirich
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 FR2475153A1 publication Critical patent/FR2475153A1/fr
Application granted granted Critical
Publication of FR2475153B1 publication Critical patent/FR2475153B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices
    • 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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/26—Hydraulic or pneumatic control

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)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Reciprocating Pumps (AREA)
FR8101601A 1980-02-01 1981-01-28 Dispositif d'alimentation en fluide hydraulique Expired FR2475153B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803003589 DE3003589A1 (de) 1980-02-01 1980-02-01 Hydraulische versorgungseinrichtung

Publications (2)

Publication Number Publication Date
FR2475153A1 FR2475153A1 (fr) 1981-08-07
FR2475153B1 true FR2475153B1 (fr) 1986-10-10

Family

ID=6093444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101601A Expired FR2475153B1 (fr) 1980-02-01 1981-01-28 Dispositif d'alimentation en fluide hydraulique

Country Status (5)

Country Link
JP (1) JPS56124707A (fr)
DE (1) DE3003589A1 (fr)
FR (1) FR2475153B1 (fr)
GB (1) GB2068467B (fr)
PL (1) PL135370B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229508C2 (de) * 1982-08-07 1990-03-29 Ruhrkohle Ag, 4300 Essen Steuereinrichtung für mehrere, fernbedienbare hydraulische doppelt wirkende Schubkolbenantriebe eines Messerschildes
EP2378060B1 (fr) * 2010-04-16 2012-12-05 S.A. Armstrong Limited Améliorations portant sur et se rapportant à des systèmes d'alimentation hydraulique de paroi longue
CN112610264B (zh) * 2020-12-02 2023-02-24 北京天玛智控科技股份有限公司 液压支架电液控制方法、装置、电子设备及存储介质
CN113266367B (zh) * 2021-05-31 2024-05-14 太原理工大学 一种坚硬顶板巷道液压棒自动化切顶方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824152A (en) * 1958-01-21 1959-11-25 Giuliano Giannelli Improvements in and relating to pumps
DE1770119U (de) * 1958-02-08 1958-07-10 G D Bracker Soehne Maschb A G Vorrichtung zur dosierung kleiner oelmengen, insbesondere beim heben und senken von kolben in zylindern.
GB966635A (en) * 1962-06-01 1964-08-12 Mactaggart Scott & Company Ltd Improvements in and relating to reciprocating pumps
JPS5183976A (en) * 1975-01-21 1976-07-22 Daido Machinery Roorupendaaniokeru denkyuatsusaaboseigyohoshikinyoru yuatsushokokiko
JPS5215753A (en) * 1975-07-24 1977-02-05 Tomoyuki Furuya Sndal thong
JPS5240715A (en) * 1975-09-25 1977-03-29 Mitsubishi Electric Corp Starting system for motor
FR2364348A1 (fr) * 1976-09-14 1978-04-07 Missioux Jean Leon Dispositif electronique de controle de position et d'enchainement pour verins hydrauliques et pour moteurs

Also Published As

Publication number Publication date
GB2068467A (en) 1981-08-12
PL229460A1 (fr) 1981-10-30
JPS56124707A (en) 1981-09-30
GB2068467B (en) 1983-11-16
PL135370B1 (en) 1985-10-31
DE3003589A1 (de) 1981-08-06
FR2475153A1 (fr) 1981-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse