GB1474558A - Self-advancing mine roof supports - Google Patents

Self-advancing mine roof supports

Info

Publication number
GB1474558A
GB1474558A GB1826374A GB1826374A GB1474558A GB 1474558 A GB1474558 A GB 1474558A GB 1826374 A GB1826374 A GB 1826374A GB 1826374 A GB1826374 A GB 1826374A GB 1474558 A GB1474558 A GB 1474558A
Authority
GB
United Kingdom
Prior art keywords
base
roof
advancing mine
support
self
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
GB1826374A
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.)
Becorit Grubenausbau GmbH
Original Assignee
Becorit Grubenausbau 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 Becorit Grubenausbau GmbH filed Critical Becorit Grubenausbau GmbH
Publication of GB1474558A publication Critical patent/GB1474558A/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
    • E21D23/0004—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
    • E21D23/0043—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 and supported by two or more rows of struts parallel to the working face
    • 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
    • E21D23/0017—Pile type supports
    • E21D23/003—Pile type supports consisting of a rigid pile
    • 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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

1474558 Advancing mine-roof supports BECORIT GRUBENAUSBAU GmbH 26 April 1974 [19 May 1973] 18263/74 Heading E1P In an advancing mine roof support comprising two relatively advanceable roof engaging members 4 and 9, 10 mounted on a common base a structure supporting the latter roof-engaging member on the base has laterally extensible means 15, 17 for abutting an adjacent support. The member 4 is supported on a base 1 by props 2, 3 whilst the member 9, 10 is likewise supported thereon by a prop 11 adapted to be pivoted about the base by a jack 12. The means 15, 17 is laterally extended by jacks 18 and the support is provided with a wrap-round shield 5, prop aligning devices 6 and a deflector plate 14.
GB1826374A 1973-05-19 1974-04-26 Self-advancing mine roof supports Expired GB1474558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2325480A DE2325480C2 (en) 1973-05-19 1973-05-19 Support frame for longwall mining in underground mining operations

Publications (1)

Publication Number Publication Date
GB1474558A true GB1474558A (en) 1977-05-25

Family

ID=5881463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1826374A Expired GB1474558A (en) 1973-05-19 1974-04-26 Self-advancing mine roof supports

Country Status (3)

Country Link
US (1) US3903703A (en)
DE (1) DE2325480C2 (en)
GB (1) GB1474558A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010618A (en) * 1974-01-19 1977-03-08 Dowty Mining Equipment Limited Mine roof support
GB1504883A (en) * 1974-06-04 1978-03-22 Gullick Dobson Ltd Mine roof supports
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports
DE2525034C2 (en) * 1975-06-05 1981-01-08 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Cap for longwall construction elements
GB1568967A (en) * 1976-02-06 1980-06-11 Dowty Mining Equipment Ltd Mine roof support
DE2617141C3 (en) * 1976-04-17 1984-07-05 Thyssen Industrie Ag, 4300 Essen Cap and break shield construction for a shield support frame
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
CN102472102B (en) 2009-07-10 2015-03-11 乔伊·姆·特拉华公司 Longwall mining roof supports
US10890068B2 (en) 2018-12-15 2021-01-12 Jefferson David McKenzie Automated support of a gate entry for underground full extraction mining

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447328A (en) * 1966-04-30 1969-06-03 Bergwerksverband Gmbh Mine roof supports
DE1960807C3 (en) * 1969-12-04 1979-02-01 Hippel Geb. Weiss, Sophie Von, 7771 Oberstenweiler Shield support frame

Also Published As

Publication number Publication date
US3903703A (en) 1975-09-09
DE2325480B1 (en) 1974-05-09
DE2325480C2 (en) 1974-12-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee