GB2113305B - Monitoring apparatus - Google Patents

Monitoring apparatus

Info

Publication number
GB2113305B
GB2113305B GB08300211A GB8300211A GB2113305B GB 2113305 B GB2113305 B GB 2113305B GB 08300211 A GB08300211 A GB 08300211A GB 8300211 A GB8300211 A GB 8300211A GB 2113305 B GB2113305 B GB 2113305B
Authority
GB
United Kingdom
Prior art keywords
monitoring apparatus
monitoring
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
GB08300211A
Other versions
GB8300211D0 (en
GB2113305A (en
Inventor
Dr Thomas Trumper
Gerhard Merten
Horst Linke
Franz Roling
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 GB8300211D0 publication Critical patent/GB8300211D0/en
Publication of GB2113305A publication Critical patent/GB2113305A/en
Application granted granted Critical
Publication of GB2113305B publication Critical patent/GB2113305B/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
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT

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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
GB08300211A 1982-01-07 1983-01-06 Monitoring apparatus Expired GB2113305B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823200176 DE3200176A1 (en) 1982-01-07 1982-01-07 DEVICE FOR STROKE MONITORING OF THE HYDRAULIC CONTROL CYLINDERS OF AN UNDERGROUND RECOVERY PLANT, IN PARTICULAR A PLANING PLANT

Publications (3)

Publication Number Publication Date
GB8300211D0 GB8300211D0 (en) 1983-02-09
GB2113305A GB2113305A (en) 1983-08-03
GB2113305B true GB2113305B (en) 1985-06-26

Family

ID=6152654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08300211A Expired GB2113305B (en) 1982-01-07 1983-01-06 Monitoring apparatus

Country Status (4)

Country Link
BE (1) BE895547A (en)
DE (1) DE3200176A1 (en)
FR (1) FR2519373B1 (en)
GB (1) GB2113305B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152978B (en) * 1984-01-21 1987-02-11 Paurat F A machine for the driving of roadways and tunnels
DE3502806A1 (en) * 1985-01-29 1986-08-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen DISPLAY DEVICE FOR THE STROKE DISPLAY OF HYDRAULIC CONTROL CYLINDERS IN DEVICES FOR ADJUSTING THE CUTTING HORIZON OF UNDERGROUND EXTRACTION MACHINES
GB8605261D0 (en) * 1986-03-04 1986-04-09 Dawson G B Cutting machines

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589896A (en) * 1949-04-15 1952-03-18 Int Harvester Co Indicator for hydraulic rams
GB1002844A (en) * 1962-11-29 1965-09-02 Gullick Ltd Improvements in or relating to pressure-fluid-operated mine roof supports and other mining equipment
US3412391A (en) * 1964-10-31 1968-11-19 Gullick Ltd Pressure-fluid-operated devices and means for indicating the condition thereof
GB1224238A (en) * 1967-09-15 1971-03-03 Bergwerksverband Gmbh Hydraulic jack arrangement in particular for use in mining operations
NO123671B (en) * 1968-12-30 1971-12-27 Norsk Hydro Verksteder A S
GB1369673A (en) * 1972-02-07 1974-10-09 Dowty Mining Equipment Ltd Fluid-operated jack with position signalling device
DE2534325C3 (en) * 1975-07-31 1982-03-04 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Device for level control of a mining machine, in particular a planer
DE3117401C2 (en) * 1981-05-02 1985-04-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Device for setting the cutting horizon of an underground mining machine, in particular a planer
DE3200082A1 (en) * 1982-01-05 1983-07-14 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen HYDRAULIC CONTROL CYLINDER FOR ADJUSTING THE HORIZONTAL CUTTING HORIZONTAL EXTRACTION MACHINES

Also Published As

Publication number Publication date
DE3200176A1 (en) 1983-07-14
FR2519373B1 (en) 1987-01-16
BE895547A (en) 1983-05-02
GB8300211D0 (en) 1983-02-09
FR2519373A1 (en) 1983-07-08
GB2113305A (en) 1983-08-03

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Legal Events

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

Effective date: 19940106