CS207334B2 - Hydraulic device for replacing the guilding of the mine extraction machine - Google Patents

Hydraulic device for replacing the guilding of the mine extraction machine Download PDF

Info

Publication number
CS207334B2
CS207334B2 CS749090A CS909074A CS207334B2 CS 207334 B2 CS207334 B2 CS 207334B2 CS 749090 A CS749090 A CS 749090A CS 909074 A CS909074 A CS 909074A CS 207334 B2 CS207334 B2 CS 207334B2
Authority
CS
Czechoslovakia
Prior art keywords
pressure
line
chamber
ram
adjustable
Prior art date
Application number
CS749090A
Other languages
Czech (cs)
English (en)
Inventor
Walter Weirich
Kunibert Becker
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of CS207334B2 publication Critical patent/CS207334B2/cs

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
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • General Preparation And Processing Of Foods (AREA)
CS749090A 1974-08-22 1974-12-28 Hydraulic device for replacing the guilding of the mine extraction machine CS207334B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2440211A DE2440211C2 (de) 1974-08-22 1974-08-22 Hydraulische Rückeinrichtung zum Rücken einer Hobelführung od.dgl.

Publications (1)

Publication Number Publication Date
CS207334B2 true CS207334B2 (en) 1981-07-31

Family

ID=5923783

Family Applications (1)

Application Number Title Priority Date Filing Date
CS749090A CS207334B2 (en) 1974-08-22 1974-12-28 Hydraulic device for replacing the guilding of the mine extraction machine

Country Status (8)

Country Link
US (1) US4046060A (pl)
BE (1) BE824221A (pl)
CS (1) CS207334B2 (pl)
DE (1) DE2440211C2 (pl)
FR (1) FR2288848A1 (pl)
GB (1) GB1515136A (pl)
PL (1) PL96166B1 (pl)
SU (1) SU695573A3 (pl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2759223C2 (de) * 1977-12-31 1983-01-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulisches Leitungssystem für eine untertägige Mineralgewinnungsanlage, insbesondere Gleithobelanlage
DE3142833C2 (de) * 1981-10-29 1986-04-24 Daimler-Benz Ag, 7000 Stuttgart Pneumatische Einrichtung zur Druckbeaufschlagung mehrerer ansteuerbarer Druckkammern
DE3245728A1 (de) * 1982-12-10 1984-06-14 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Gleichlaufsteuerung, insbesondere fuer die hauptstationszylinder einer rohrvorpresseinrichtung
DE3534306A1 (de) * 1985-09-26 1987-04-16 Bergwerksverband Gmbh Verfahren zur schaelenden gewinnung von steinkohle und vorrichtung
US4960242A (en) * 1988-07-28 1990-10-02 Rosco Manufacturing Company Asphalt distributor
US4976186A (en) * 1988-12-20 1990-12-11 Reliance Electric Company Control system for mechanically adjustable speed motor drives
US5042253A (en) * 1989-05-15 1991-08-27 Ishigame Machinery Co., Ltd. Hydraulic-pneumatic cylinder device with annular flexible bag as interface
DE4019607C2 (de) * 1990-06-20 1994-02-17 Hemscheidt Maschf Hermann Steuersystem für Ausbaugestelle eines Strebs
DE4117735C1 (pl) * 1991-05-30 1992-10-29 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
CN111169438B (zh) * 2020-01-20 2021-09-03 徐工集团工程机械股份有限公司 调平方法和可调平台

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058003B (de) * 1954-01-27 1959-05-27 Gewerk Eisenhuette Westfalia Rueckzylinder, insbesondere fuer seitliche Verschiebung von Foerderern in bergmaennischen Gewinnungsbetrieben
US3115754A (en) * 1959-01-23 1963-12-31 Dowty Mining Equipment Ltd Mining shield
CH381937A (de) * 1960-09-30 1964-09-15 Tschudin & Heid Aktiengesellsc Verzögerungselement
FR1366093A (fr) * 1963-05-27 1964-07-10 Landis Gendron S A Dispositif de commande de déplacements axiaux cycliques d'une broche rotative de machine
GB1079860A (en) * 1963-12-24 1967-08-16 Coal Industry Patents Ltd A control system for a pluratlity of hydraulically operable elements
DE1225458B (de) * 1965-04-09 1966-09-22 Gewerk Eisenhuette Westfalia Vorrichtung zum Fernsteuern mehrerer druckmittelbetriebener Verbraucher
GB1160451A (en) * 1966-02-22 1969-08-06 Coal Industry Patents Ltd Fixed Increment Advance of Face Conveyors
NL6813313A (pl) * 1968-09-18 1970-03-20
FR2201241B1 (pl) * 1972-10-03 1977-09-02 Benoto Sam Ste
FR2219691A5 (pl) * 1973-02-27 1974-09-20 Poclain Sa

Also Published As

Publication number Publication date
FR2288848B1 (pl) 1977-07-01
BE824221A (fr) 1975-05-02
GB1515136A (en) 1978-06-21
FR2288848A1 (fr) 1976-05-21
US4046060A (en) 1977-09-06
DE2440211C2 (de) 1986-01-30
SU695573A3 (ru) 1979-10-30
PL96166B1 (pl) 1977-12-31
DE2440211A1 (de) 1976-03-04

Similar Documents

Publication Publication Date Title
CS207334B2 (en) Hydraulic device for replacing the guilding of the mine extraction machine
US3266776A (en) Hydraulic winch with self-clamping jaws
AU2004202506B2 (en) Hydraulic shield support
GB706002A (en) Methods of and apparatus for mine roof control
US3707881A (en) Control system for hydraulic fluid-feed mechanism
US3216201A (en) Mine roof supports
US3537754A (en) Apparatus for moving a mining machine relative to a face being worked
US4558629A (en) Hydraulic control means for pipe thrust-jacking apparatus
GB1381303A (en) Hydraulic control system
US4264237A (en) Method for controlling a hydraulically operated mine roof support and an arrangement for carrying out the method
GB1160451A (en) Fixed Increment Advance of Face Conveyors
US4379662A (en) Control device for an advancing support in underground mining
US2665794A (en) Mining and loading machine
US3381586A (en) Mine roof prop and advancing arrangement
US3768400A (en) Press having means to prevent skewing movement of the ram
US3541926A (en) Control system for a stepping hydraulic roof propping system
US3437011A (en) Installation for controlling a pushing cylinder at a working face with power advanced supports
US4099782A (en) Control system for a mineral mining installation
US3142373A (en) Bodily adjustable conveyor
ES482866A1 (es) Dispositivo de control hidraulico para un dispositivo de re-cubrimiento de grietas y de alineacion
NL6503406A (pl)
DE59609666D1 (de) Rastschaltvorrichtung
GB2039569A (en) Mining installations
GB1079860A (en) A control system for a pluratlity of hydraulically operable elements
SU726345A1 (ru) Устройство дл управлени гидравлической крепью