DE1245293B - Hydraulischer Rueckzylinder zum Ruecken von entlang dem Kohlenstoss angeordneten Ausbaueinheiten - Google Patents

Hydraulischer Rueckzylinder zum Ruecken von entlang dem Kohlenstoss angeordneten Ausbaueinheiten

Info

Publication number
DE1245293B
DE1245293B DED46240A DED0046240A DE1245293B DE 1245293 B DE1245293 B DE 1245293B DE D46240 A DED46240 A DE D46240A DE D0046240 A DED0046240 A DE D0046240A DE 1245293 B DE1245293 B DE 1245293B
Authority
DE
Germany
Prior art keywords
piston
cylinder
hydraulic
coal face
control device
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.)
Pending
Application number
DED46240A
Other languages
German (de)
English (en)
Inventor
Burton Joyce
Frank Town
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
Publication of DE1245293B publication Critical patent/DE1245293B/de
Pending 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)
DED46240A 1964-01-18 1965-01-14 Hydraulischer Rueckzylinder zum Ruecken von entlang dem Kohlenstoss angeordneten Ausbaueinheiten Pending DE1245293B (de)

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
DE1245293B true DE1245293B (de) 1967-07-27

Family

ID=9737334

Family Applications (1)

Application Number Title Priority Date Filing Date
DED46240A Pending DE1245293B (de) 1964-01-18 1965-01-14 Hydraulischer Rueckzylinder zum Ruecken von entlang dem Kohlenstoss angeordneten Ausbaueinheiten

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217068A (zh) * 2021-04-28 2021-08-06 太原理工大学 一种工作面的检测装置、方法、终端及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922583C (de) * 1942-12-13 1955-01-20 Gerhard Werner Verfahren und Vorrichtung zum Verlegen von Strebfoerdermitteln und/oder Strebausbauteilen
DE938003C (de) * 1951-09-12 1956-01-19 Eugen Muething Setzvorrichtung fuer mehrteilige Grubenstempel
FR1307469A (fr) * 1961-12-01 1962-10-26 Dobson Ltd W E & F Amplificateur de pression hydraulique, applicable ou incorporable à un disnositif de support de plafond de mines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922583C (de) * 1942-12-13 1955-01-20 Gerhard Werner Verfahren und Vorrichtung zum Verlegen von Strebfoerdermitteln und/oder Strebausbauteilen
DE938003C (de) * 1951-09-12 1956-01-19 Eugen Muething Setzvorrichtung fuer mehrteilige Grubenstempel
FR1307469A (fr) * 1961-12-01 1962-10-26 Dobson Ltd W E & F Amplificateur de pression hydraulique, applicable ou incorporable à un disnositif de support de plafond de mines

Also Published As

Publication number Publication date
GB1082663A (en) 1967-09-06
BE658326A (es) 1965-04-30
FR1421042A (fr) 1965-12-10

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