GB2068467B - Hydraulic control arrangement - Google Patents

Hydraulic control arrangement

Info

Publication number
GB2068467B
GB2068467B GB8101968A GB8101968A GB2068467B GB 2068467 B GB2068467 B GB 2068467B GB 8101968 A GB8101968 A GB 8101968A GB 8101968 A GB8101968 A GB 8101968A GB 2068467 B GB2068467 B GB 2068467B
Authority
GB
United Kingdom
Prior art keywords
hydraulic control
control arrangement
arrangement
hydraulic
control
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
GB8101968A
Other versions
GB2068467A (en
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 GB2068467A publication Critical patent/GB2068467A/en
Application granted granted Critical
Publication of GB2068467B publication Critical patent/GB2068467B/en
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)
GB8101968A 1980-02-01 1981-01-22 Hydraulic control arrangement Expired GB2068467B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803003589 DE3003589A1 (en) 1980-02-01 1980-02-01 HYDRAULIC SUPPLY

Publications (2)

Publication Number Publication Date
GB2068467A GB2068467A (en) 1981-08-12
GB2068467B true GB2068467B (en) 1983-11-16

Family

ID=6093444

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8101968A Expired GB2068467B (en) 1980-02-01 1981-01-22 Hydraulic control arrangement

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229508C2 (en) * 1982-08-07 1990-03-29 Ruhrkohle Ag, 4300 Essen Control device for several remote-controlled hydraulic double-acting piston drives of a knife blade
PL2378060T3 (en) * 2010-04-16 2013-05-31 S A Armstrong Ltd Improvements in and Relating to Long Wall Hydraulic Supply Systems
CN112610264B (en) * 2020-12-02 2023-02-24 北京天玛智控科技股份有限公司 Hydraulic support electrohydraulic control method and device, electronic equipment and storage medium
CN113266367B (en) * 2021-05-31 2024-05-14 太原理工大学 Automatic roof cutting method for hydraulic rod of hard roof roadway

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 (en) * 1958-02-08 1958-07-10 G D Bracker Soehne Maschb A G DEVICE FOR DOSING SMALL QUANTITIES OF OIL, IN PARTICULAR WHEN RAISING AND LOWERING PISTONS IN CYLINDERS.
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 (en) * 1976-09-14 1978-04-07 Missioux Jean Leon ELECTRONIC POSITION AND CHANNEL CONTROL DEVICE FOR HYDRAULIC CYLINDERS AND MOTORS

Also Published As

Publication number Publication date
DE3003589A1 (en) 1981-08-06
PL135370B1 (en) 1985-10-31
FR2475153A1 (en) 1981-08-07
GB2068467A (en) 1981-08-12
JPS56124707A (en) 1981-09-30
FR2475153B1 (en) 1986-10-10
PL229460A1 (en) 1981-10-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee