GB1425186A - Hydraulic control systems for mineral mining installations - Google Patents

Hydraulic control systems for mineral mining installations

Info

Publication number
GB1425186A
GB1425186A GB2128473A GB2128473A GB1425186A GB 1425186 A GB1425186 A GB 1425186A GB 2128473 A GB2128473 A GB 2128473A GB 2128473 A GB2128473 A GB 2128473A GB 1425186 A GB1425186 A GB 1425186A
Authority
GB
United Kingdom
Prior art keywords
conveyer
unit
props
tension
pressure
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
GB2128473A
Other languages
English (en)
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
Priority claimed from DE19722222018 external-priority patent/DE2222018C3/de
Priority claimed from DE19722234964 external-priority patent/DE2234964C3/de
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB1425186A publication Critical patent/GB1425186A/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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
    • 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
    • E21F13/10—Anchorings for conveyors

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)
  • Framework For Endless Conveyors (AREA)
  • Clamps And Clips (AREA)
GB2128473A 1972-05-05 1973-05-04 Hydraulic control systems for mineral mining installations Expired GB1425186A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722222018 DE2222018C3 (de) 1972-05-05 1972-05-05 Steuerung für eine Strebförderer-Teilverankerung
DE19722234964 DE2234964C3 (de) 1972-07-15 1972-07-15 Steuerung für eine Strebförderer-Teilverankerung

Publications (1)

Publication Number Publication Date
GB1425186A true GB1425186A (en) 1976-02-18

Family

ID=25763210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2128473A Expired GB1425186A (en) 1972-05-05 1973-05-04 Hydraulic control systems for mineral mining installations

Country Status (3)

Country Link
CS (1) CS212289B2 (enrdf_load_stackoverflow)
FR (1) FR2183662B1 (enrdf_load_stackoverflow)
GB (1) GB1425186A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105781602A (zh) * 2016-03-18 2016-07-20 西安科技大学 一种适用于采煤工作面的模拟液压支架

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924395C2 (de) * 1979-06-16 1986-10-09 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Befestigungsbrücke zum Anbau an den Rinnenschüssen eines Kettenkratzförderers für untertägige Gewinnungsbetriebe
CN110331996B (zh) * 2019-07-09 2020-07-14 山东科技大学 一种纯机械半自动移动式巷道临时支护装置及工作方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105781602A (zh) * 2016-03-18 2016-07-20 西安科技大学 一种适用于采煤工作面的模拟液压支架

Also Published As

Publication number Publication date
FR2183662B1 (enrdf_load_stackoverflow) 1977-04-22
FR2183662A1 (enrdf_load_stackoverflow) 1973-12-21
CS212289B2 (en) 1982-03-26

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Legal Events

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