GB2094864B - Hydraulic control systems for mineral mining installations - Google Patents

Hydraulic control systems for mineral mining installations

Info

Publication number
GB2094864B
GB2094864B GB8207237A GB8207237A GB2094864B GB 2094864 B GB2094864 B GB 2094864B GB 8207237 A GB8207237 A GB 8207237A GB 8207237 A GB8207237 A GB 8207237A GB 2094864 B GB2094864 B GB 2094864B
Authority
GB
United Kingdom
Prior art keywords
hydraulic control
control systems
mineral mining
mining installations
installations
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
GB8207237A
Other versions
GB2094864A (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 GB2094864A publication Critical patent/GB2094864A/en
Application granted granted Critical
Publication of GB2094864B publication Critical patent/GB2094864B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08—Guiding the machine
    • E21C35/12—Guiding the machine along a conveyor for the cut material
    • E21C35/14—Equipment for pressing the conveyor towards the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
GB8207237A 1981-03-17 1982-03-12 Hydraulic control systems for mineral mining installations Expired GB2094864B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813110220 DE3110220A1 (en) 1981-03-17 1981-03-17 HYDRAULIC, ESPECIALLY ELECTRO-HYDRAULIC EXTENSION CONTROL FOR UNDERGROUND PROFITING COMPANIES

Publications (2)

Publication Number Publication Date
GB2094864A GB2094864A (en) 1982-09-22
GB2094864B true GB2094864B (en) 1984-07-18

Family

ID=6127489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8207237A Expired GB2094864B (en) 1981-03-17 1982-03-12 Hydraulic control systems for mineral mining installations

Country Status (7)

Country Link
JP (1) JPS57161298A (en)
AU (1) AU544025B2 (en)
DE (1) DE3110220A1 (en)
ES (1) ES510539A0 (en)
FR (1) FR2502241B1 (en)
GB (1) GB2094864B (en)
ZA (1) ZA821609B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530657C2 (en) * 1985-08-28 1995-03-16 Westfalia Becorit Ind Tech Device for controlling hydraulic consumers used in underground mining
CN101205811B (en) * 2007-08-21 2010-12-22 哈尔滨工业大学深圳研究生院 Hydraulic bracket electrohydraulic control system as well as valve control device and control method thereof
EP2378059B1 (en) * 2010-04-16 2012-12-05 S.A. Armstrong Limited Improvements in and relating to long wall hydraulic supply systems
CN103291342A (en) * 2013-06-17 2013-09-11 黄竹磬 Pipeline system capable of achieving hydraulic support long-distance liquid supply
CN107013246A (en) * 2017-05-26 2017-08-04 余之水 It is a kind of to prevent from unloading the emulsion power pack that pipe comes off
CN108999818A (en) * 2018-09-29 2018-12-14 宁波精壹机械制造有限公司 A kind of tunneling machine hydraulic system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB961225A (en) * 1961-06-12 1964-06-17 Electro Hydraulics Ltd Hydraulically operated advancing roof support systems
GB1123975A (en) * 1964-10-12 1968-08-14 Dowty Electrics Ltd Hydraulically-operated advancing mine roof supports
DE1963353A1 (en) * 1969-12-18 1971-06-24 Gewerk Eisenhuette Westfalia Lift control of a return cylinder
DE2038661B2 (en) * 1970-08-04 1978-08-03 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Hydraulic extension control
DE2240607C3 (en) * 1972-08-18 1979-04-12 Robert Bosch Gmbh, 7000 Stuttgart Electro-hydraulic «control device
DE2258423C3 (en) * 1972-11-29 1980-11-13 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Device for backing the leadership of a mining machine or the like. for mining and extraction operations, with metered loading of the return cylinder
US3858606A (en) * 1973-08-23 1975-01-07 Ross Operating Valve Co Safety control valve system for fluid actuated devices
DE2558323C2 (en) * 1975-12-23 1981-03-12 Siemens AG, 1000 Berlin und 8000 München Device for the manual emergency shutdown of a conveyor belt in underground mining
DE2707630A1 (en) * 1977-02-23 1978-08-24 Orenstein & Koppel Ag ELECTRONICALLY CONTROLLED PIPE BREAKAGE PROTECTION
DE2749312C2 (en) * 1977-11-04 1984-12-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Control device with automatic repositioning for hydraulic ram removal
DE2756240C2 (en) * 1977-12-16 1985-12-19 Technomatic AG, Aesch, Luzern Safety valve for pressure medium-operated consumers
DE2832875C2 (en) * 1978-07-27 1985-11-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap covering and alignment device arranged on one side on the cap or on the fracture shield of an extension member

Also Published As

Publication number Publication date
FR2502241A1 (en) 1982-09-24
JPS57161298A (en) 1982-10-04
GB2094864A (en) 1982-09-22
ES8303604A1 (en) 1983-02-01
AU544025B2 (en) 1985-05-16
AU8124482A (en) 1982-09-23
ZA821609B (en) 1983-01-26
DE3110220C2 (en) 1989-06-08
FR2502241B1 (en) 1987-05-07
DE3110220A1 (en) 1982-10-07
ES510539A0 (en) 1983-02-01

Similar Documents

Publication Publication Date Title
GB8327703D0 (en) Hydraulic control system
GB2095725B (en) Improvements in control systems for mineral mining installations
GB2111925B (en) Control system for dual hydraulic power system
GB8332882D0 (en) Hydraulic control system
DE3273495D1 (en) Installation for controlling the continuous functioning of a chromatographic system
AU8062082A (en) Longwall mining systems
GB8332960D0 (en) Hydraulic control for pipe thrustjacking
GB2094864B (en) Hydraulic control systems for mineral mining installations
AU541408B2 (en) Longwall mining installation
GB2169729B (en) Improvements in control systems for mineral mining installations
DE3274280D1 (en) Hydraulic control system
ZA814087B (en) Control system for support units for underground mining
GB2077339B (en) Improvements in the control of hydraulic equipment in mineral mining
GB2011516B (en) Hydraulic conduit systems for mine installations
AU584055B2 (en) Distributors for pressure fluid control systems in mineral mining installations
GB2072909B (en) Underground installation protection systems
DE3364878D1 (en) Hydraulic control system
GB2078828B (en) Mineral mining installation
DE3271342D1 (en) Hydraulic control systems
ZA808106B (en) Mineral mining installation
GB2071439B (en) Control systems for controlling the operation of mining equipment
GB2095425B (en) Mine roof support control systems
AU539530B2 (en) Longwall mining installation
GB2112089B (en) Inhibitor for transmission control systems
ZA813850B (en) Mineral mining installation

Legal Events

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