GB1414256A - Mine roof support beams - Google Patents

Mine roof support beams

Info

Publication number
GB1414256A
GB1414256A GB643673A GB643673A GB1414256A GB 1414256 A GB1414256 A GB 1414256A GB 643673 A GB643673 A GB 643673A GB 643673 A GB643673 A GB 643673A GB 1414256 A GB1414256 A GB 1414256A
Authority
GB
United Kingdom
Prior art keywords
canopy
roof
roof support
mine roof
support beams
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
GB643673A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB643673A priority Critical patent/GB1414256A/en
Publication of GB1414256A publication Critical patent/GB1414256A/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
    • E21D23/03—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
    • 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

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)
  • Tents Or Canopies (AREA)

Abstract

1414256 Roof beams for advancing supports COAL INDUSTRY (PATENTS) Ltd 6 Feb 1974 [9 Feb 1973] 6436/73 Heading E1P A roof beam 10 for an advancing mine roof support is provided with a resilient canopy 12 surmounted by runners 14 adapted to slide along the roof during advance. The canopy 12 may be made of conveyor belting be secured by belts 13 and overlie the goaf shield 7. Holes are provided in the canopy 12 to accommodate cantilever extensions 11 and each runner has a hook at its leading end to engage the beam 10.
GB643673A 1973-02-09 1973-02-09 Mine roof support beams Expired GB1414256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB643673A GB1414256A (en) 1973-02-09 1973-02-09 Mine roof support beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB643673A GB1414256A (en) 1973-02-09 1973-02-09 Mine roof support beams

Publications (1)

Publication Number Publication Date
GB1414256A true GB1414256A (en) 1975-11-19

Family

ID=9814449

Family Applications (1)

Application Number Title Priority Date Filing Date
GB643673A Expired GB1414256A (en) 1973-02-09 1973-02-09 Mine roof support beams

Country Status (1)

Country Link
GB (1) GB1414256A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370165A1 (en) * 1976-11-05 1978-06-02 Kalk Chemische Fabrik Gmbh PROCEDURE FOR TRIMING THE ROOF IN WORK-SUPPORTED COAL FELLING SITES
US4099785A (en) * 1975-06-11 1978-07-11 Karl Maria Groetschel Method and apparatus for supporting the roof of an underground mine working
DE3120867A1 (en) * 1981-05-26 1982-12-16 Johannes 4300 Essen Winkler Extendable front cantilever for hydraulic self-advancing support assemblies
CN103670475A (en) * 2013-12-04 2014-03-26 郑州煤矿机械集团股份有限公司 Flexible guarding protection-assisting device for hydraulic support
CN103924997A (en) * 2013-01-11 2014-07-16 王新丰 Rolling moving method of hydraulic bracket
CN106907171A (en) * 2017-05-11 2017-06-30 安徽科信矿山机械制造有限公司 Protector between a kind of mine hydraulic support neighbour frame
CN108798737A (en) * 2018-08-27 2018-11-13 邓立杰 A kind of movable outstanding shield bone plate supporting construction in tunnel
CN109184697A (en) * 2018-10-26 2019-01-11 刘刚 Mobile frame is adopted in a kind of hole
CN109838265A (en) * 2019-03-18 2019-06-04 中国矿业大学 The device of top plate pallet is protected when a kind of gob side entry retaining face end support migrates

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099785A (en) * 1975-06-11 1978-07-11 Karl Maria Groetschel Method and apparatus for supporting the roof of an underground mine working
FR2370165A1 (en) * 1976-11-05 1978-06-02 Kalk Chemische Fabrik Gmbh PROCEDURE FOR TRIMING THE ROOF IN WORK-SUPPORTED COAL FELLING SITES
US4190292A (en) * 1976-11-05 1980-02-26 Chemische Fabrik Kalk Gmbh Process for suppressing dust in mines
DE3120867A1 (en) * 1981-05-26 1982-12-16 Johannes 4300 Essen Winkler Extendable front cantilever for hydraulic self-advancing support assemblies
CN103924997A (en) * 2013-01-11 2014-07-16 王新丰 Rolling moving method of hydraulic bracket
CN103670475A (en) * 2013-12-04 2014-03-26 郑州煤矿机械集团股份有限公司 Flexible guarding protection-assisting device for hydraulic support
CN106907171A (en) * 2017-05-11 2017-06-30 安徽科信矿山机械制造有限公司 Protector between a kind of mine hydraulic support neighbour frame
CN108798737A (en) * 2018-08-27 2018-11-13 邓立杰 A kind of movable outstanding shield bone plate supporting construction in tunnel
CN108798737B (en) * 2018-08-27 2023-09-12 邓立杰 Movable suspension bone plate supporting structure for roadway
CN109184697A (en) * 2018-10-26 2019-01-11 刘刚 Mobile frame is adopted in a kind of hole
CN109838265A (en) * 2019-03-18 2019-06-04 中国矿业大学 The device of top plate pallet is protected when a kind of gob side entry retaining face end support migrates
CN109838265B (en) * 2019-03-18 2024-04-02 中国矿业大学 Device for protecting roof tray during migration of gob-side entry retaining end bracket

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Legal Events

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