GB2062736B - Movable mine roof supports - Google Patents

Movable mine roof supports

Info

Publication number
GB2062736B
GB2062736B GB8033245A GB8033245A GB2062736B GB 2062736 B GB2062736 B GB 2062736B GB 8033245 A GB8033245 A GB 8033245A GB 8033245 A GB8033245 A GB 8033245A GB 2062736 B GB2062736 B GB 2062736B
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
movable mine
movable
supports
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
GB8033245A
Other versions
GB2062736A (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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB8033245A priority Critical patent/GB2062736B/en
Publication of GB2062736A publication Critical patent/GB2062736A/en
Application granted granted Critical
Publication of GB2062736B publication Critical patent/GB2062736B/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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
GB8033245A 1979-11-09 1980-10-15 Movable mine roof supports Expired GB2062736B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8033245A GB2062736B (en) 1979-11-09 1980-10-15 Movable mine roof supports

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7938882 1979-11-09
GB8033245A GB2062736B (en) 1979-11-09 1980-10-15 Movable mine roof supports

Publications (2)

Publication Number Publication Date
GB2062736A GB2062736A (en) 1981-05-28
GB2062736B true GB2062736B (en) 1983-05-18

Family

ID=26273492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8033245A Expired GB2062736B (en) 1979-11-09 1980-10-15 Movable mine roof supports

Country Status (1)

Country Link
GB (1) GB2062736B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236290A (en) * 2018-10-10 2019-01-18 山东东山王楼煤矿有限公司 It is a kind of to move frame with machine automatically

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002951570A0 (en) * 2002-09-23 2002-10-03 Lumb, Hilary Leith Mine tunnel support apparatus
AU2007249061A1 (en) * 2002-09-23 2008-01-10 Lumb, Hilary Leith An apparatus for supporting a tunnel
CN110130965B (en) * 2019-06-13 2021-03-02 河南理工大学 Advanced support bracket for comprehensive mechanized excavation and use method
CN113137260A (en) * 2021-04-27 2021-07-20 福建省亿方建设工程有限公司 Weak surrounding rock tunnel steel frame supporting structure and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236290A (en) * 2018-10-10 2019-01-18 山东东山王楼煤矿有限公司 It is a kind of to move frame with machine automatically

Also Published As

Publication number Publication date
GB2062736A (en) 1981-05-28

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Legal Events

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