AU533562B2 - Hydraulic control of mine props - Google Patents

Hydraulic control of mine props

Info

Publication number: AU533562B2
Authority: AU; Australia
Prior art keywords: hydraulic control; mine props; props; mine; hydraulic
Prior art date: 1979-04-12
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

AU57100/80A

Other versions

AU5710080A (en

Inventor

Klaus Beckmann

Hans-Theodore Grisebach

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.)

1979-04-12

Filing date

1980-04-02

Publication date

1983-12-01

1980-04-02 Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH

1980-10-16 Publication of AU5710080A publication Critical patent/AU5710080A/en

1983-12-01 Application granted granted Critical

1983-12-01 Publication of AU533562B2 publication Critical patent/AU533562B2/en

2000-04-02 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
- 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

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)
Safety Valves (AREA)
Fluid-Pressure Circuits (AREA)
Control Of Presses (AREA)

AU57100/80A 1979-04-12 1980-04-02 Hydraulic control of mine props Ceased AU533562B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE29148843		1979-04-12
DE2914884A DE2914884C2 (en)	1979-04-12	1979-04-12	Control device for a hydraulic ram removal with associated automatic repositioning

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
AU19134/83A Division AU554629B2 (en)	1979-04-12	1983-09-14	Hydraulic control apparatus

Publications (2)

Publication Number	Publication Date
AU5710080A AU5710080A (en)	1980-10-16
AU533562B2 true AU533562B2 (en)	1983-12-01

Family

ID=6068183

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU57100/80A Ceased AU533562B2 (en)	1979-04-12	1980-04-02	Hydraulic control of mine props

Country Status (8)

Country	Link
AU (1)	AU533562B2 (en)
BE (1)	BE882725A (en)
CA (1)	CA1138303A (en)
DE (1)	DE2914884C2 (en)
FR (1)	FR2455673B2 (en)
GB (2)	GB2047316B (en)
PL (1)	PL125322B1 (en)
ZA (1)	ZA802130B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3128279A1 (en) *	1981-07-17	1983-02-03	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	ADJUSTMENT CONTROL FOR A HYDRAULIC STAMP EXTENSION AND HYDRAULICALLY CONTROLLED CHECK VALVE
DE3212747A1 (en) *	1982-04-06	1983-10-06	Gewerk Eisenhuette Westfalia	DEVICE FOR STROKE CONTROL OF A CYLINDER GROUP OF A HYDRAULIC REMOVAL SYSTEM, IN PARTICULAR FOR SETTING THE STAMP OF A SCREAM REMOVAL UNIT
DE3301674C1 (en) *	1983-01-20	1984-01-05	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal	Control system for hydraulic stamps on walking frames
GB2137314B (en) *	1983-03-26	1986-07-23	Dobson Park Ind	Valve for mine support
PL146170B1 (en) *	1984-12-10	1989-01-31	Ct Kt Maszyn Gorniczych Komag	Apparatus for changing curability and mineablity of a mineral deposit
DE3546278C1 (en) *	1985-12-28	1987-07-02	Bergwerksverband Gmbh	Repositioning control for longwall construction
DE3931625C1 (en) *	1989-09-22	1990-08-09	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De	Underground mine roof support - maintains constant residual pressure during advance
GB9009859D0 (en) *	1990-05-02	1990-06-27	Meco Mining Equip	A mine roof support
GB2274325B (en) *	1993-01-13	1996-04-03	Meco Mining Equip	A yield valve
CN103775115A (en) *	2014-01-21	2014-05-07	焦作欣扬程煤矿设备有限公司	Side-sway shifting vertical pressure cylinder machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1024167A (en) *	1964-02-14	1966-03-30	Dowty Mining Equipment Ltd	Roof support assembly suitable for use in mines
GB1135942A (en) *	1964-12-07	1968-12-11	Groetschel Karl Maria	Improvements relating to roof supports for mine workings
GB1180578A (en) *	1967-03-06	1970-02-04	Podmoskovny G Pk I Exi Gornogo	Advancing Mine Roof Supports
DE1290109B (en) *	1967-10-21	1969-03-06	Gewerk Eisenhuette Westfalia	Stamp for expansion or bracing in the face / route transition
DE1750834A1 (en) *	1968-06-10	1971-04-29	Gewerk Eisenhuette Westfalia	Pressure relief valve cartridge with piston O-ring seal
DE2146502C3 (en) *	1971-09-17	1982-04-29	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Valve arrangement for setting hydraulic pit rams with high setting force
DE2749312C2 (en) *	1977-11-04	1984-12-20	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Control device with automatic repositioning for hydraulic ram removal
DE2803283C2 (en) *	1978-01-26	1992-12-10	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Pressure relief valve for hydraulic pit rams

1979
- 1979-04-12 DE DE2914884A patent/DE2914884C2/en not_active Expired
1980
- 1980-04-01 CA CA000348972A patent/CA1138303A/en not_active Expired
- 1980-04-02 AU AU57100/80A patent/AU533562B2/en not_active Ceased
- 1980-04-08 GB GB8011620A patent/GB2047316B/en not_active Expired
- 1980-04-08 GB GB8215240A patent/GB2096223B/en not_active Expired
- 1980-04-09 FR FR8007948A patent/FR2455673B2/en not_active Expired
- 1980-04-09 PL PL1980223346A patent/PL125322B1/en unknown
- 1980-04-10 BE BE0/200176A patent/BE882725A/en not_active IP Right Cessation
- 1980-04-10 ZA ZA00802130A patent/ZA802130B/en unknown

Also Published As

Publication number	Publication date
FR2455673B2 (en)	1987-05-07
DE2914884C2 (en)	1987-05-14
AU5710080A (en)	1980-10-16
DE2914884A1 (en)	1980-10-30
BE882725A (en)	1980-07-31
CA1138303A (en)	1982-12-28
GB2047316B (en)	1983-04-20
PL125322B1 (en)	1983-04-30
GB2096223A (en)	1982-10-13
GB2047316A (en)	1980-11-26
GB2096223B (en)	1983-05-11
ZA802130B (en)	1981-05-27
PL223346A1 (en)	1981-01-30
FR2455673A2 (en)	1980-11-28

Publication	Publication Date	Title
AU539012B2 (en)	1984-09-06	Stabilizing rock structures
AU543908B2 (en)	1985-05-09	Hydraulic control of mine roof support
AU6726981A (en)	1981-08-20	Hydraulic mining
AU498071B2 (en)	1979-02-08	Hydraulic rock drill system
AU513162B2 (en)	1980-11-20	Hydraulic control of mine roof supports
AU503392B2 (en)	1979-08-30	Hydraulic mining
AU517464B2 (en)	1981-07-30	Hydraulic control valve
AU531114B2 (en)	1983-08-11	Rock drill control system
AU506492B2 (en)	1980-01-03	Hydraulic control for mining machine
AU533562B2 (en)	1983-12-01	Hydraulic control of mine props
AU4751979A (en)	1979-12-06	Hydraulic control system
AU514281B2 (en)	1981-01-29	Hydro-mechanical mining of minerals
AU538625B2 (en)	1984-08-23	Mine roof prop
JPS5481462A (en)	1979-06-28	Hydraulic control coupling
GB2029900B (en)	1982-07-28	Hydraulic mine prop
AU5527280A (en)	1980-09-18	Telescopic mine prop valve
AU5370879A (en)	1981-06-18	Pressure control of dual hydraulic systems
AU5441280A (en)	1980-07-24	Tunnel profile control
AU506182B2 (en)	1979-12-13	Hydraulic means of breaking rock
AU544811B2 (en)	1985-06-13	Control of long wall mining machine
AU519159B2 (en)	1981-11-12	Longwall mining method
AU504253B2 (en)	1979-10-04	Hydraulic mining
SU626220A2 (en)	1978-09-30	Hydraulic prop of mine roof support
AU510290B2 (en)	1980-06-19	Hydraulic rock drill
AU5398379A (en)	1980-08-14	Hydraulic mining