FR1421042A - Control device for mine roof support support - Google Patents

Control device for mine roof support support

Info

Publication number
FR1421042A
FR1421042A FR2271A FR2271A FR1421042A FR 1421042 A FR1421042 A FR 1421042A FR 2271 A FR2271 A FR 2271A FR 2271 A FR2271 A FR 2271A FR 1421042 A FR1421042 A FR 1421042A
Authority
FR
France
Prior art keywords
support
control device
mine roof
roof support
mine
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
FR2271A
Other languages
French (fr)
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.)
Dobson Ltd W E & F
WE&F Dobson Ltd
Original Assignee
Dobson Ltd W E & F
WE&F Dobson Ltd
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 Dobson Ltd W E & F, WE&F Dobson Ltd filed Critical Dobson Ltd W E & F
Application granted granted Critical
Publication of FR1421042A publication Critical patent/FR1421042A/en
Expired 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
    • 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
    • E21D23/12—Control, e.g. using remote 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
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/144—Measuring the advance of support units with respect to internal points of reference, e.g. with respect to neighboring support units or extension of a cylinder
    • 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
    • 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

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)
  • Actuator (AREA)
FR2271A 1964-01-18 1965-01-18 Control device for mine roof support support Expired FR1421042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2312/64A GB1082663A (en) 1964-01-18 1964-01-18 Improvements relating to control means of mine roof supports

Publications (1)

Publication Number Publication Date
FR1421042A true FR1421042A (en) 1965-12-10

Family

ID=9737334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2271A Expired FR1421042A (en) 1964-01-18 1965-01-18 Control device for mine roof support support

Country Status (4)

Country Link
BE (1) BE658326A (en)
DE (1) DE1245293B (en)
FR (1) FR1421042A (en)
GB (1) GB1082663A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217068A (en) * 2021-04-28 2021-08-06 太原理工大学 Working face detection device, method, terminal and storage medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922583C (en) * 1942-12-13 1955-01-20 Gerhard Werner Method and device for laying face lifting equipment and / or face building components
DE938003C (en) * 1951-09-12 1956-01-19 Eugen Muething Setting device for multi-part pit punches
FR1307469A (en) * 1961-12-01 1962-10-26 Dobson Ltd W E & F Hydraulic pressure amplifier, applicable or incorporated in a mine ceiling support device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217068A (en) * 2021-04-28 2021-08-06 太原理工大学 Working face detection device, method, terminal and storage medium

Also Published As

Publication number Publication date
GB1082663A (en) 1967-09-06
DE1245293B (en) 1967-07-27
BE658326A (en) 1965-04-30

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