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GB2062738B - Mine roof support elevated platform - Google Patents

Mine roof support elevated platform

Info

Publication number
GB2062738B
GB2062738B GB8035934A GB8035934A GB2062738B GB 2062738 B GB2062738 B GB 2062738B GB 8035934 A GB8035934 A GB 8035934A GB 8035934 A GB8035934 A GB 8035934A GB 2062738 B GB2062738 B GB 2062738B
Authority
GB
United Kingdom
Prior art keywords
roof support
mine roof
elevated platform
support elevated
platform
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
GB8035934A
Other versions
GB2062738A (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 GB8035934A priority Critical patent/GB2062738B/en
Publication of GB2062738A publication Critical patent/GB2062738A/en
Application granted granted Critical
Publication of GB2062738B publication Critical patent/GB2062738B/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0454Trailing plates; Coal face or goaf side sprags
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine 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
    • E21D23/0034Mine 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor

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)
GB8035934A 1979-11-09 1980-11-07 Mine roof support elevated platform Expired GB2062738B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8035934A GB2062738B (en) 1979-11-09 1980-11-07 Mine roof support elevated platform

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7938880 1979-11-09
GB8035934A GB2062738B (en) 1979-11-09 1980-11-07 Mine roof support elevated platform

Publications (2)

Publication Number Publication Date
GB2062738A GB2062738A (en) 1981-05-28
GB2062738B true GB2062738B (en) 1983-05-18

Family

ID=26273490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8035934A Expired GB2062738B (en) 1979-11-09 1980-11-07 Mine roof support elevated platform

Country Status (1)

Country Link
GB (1) GB2062738B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136040B (en) * 1983-03-08 1986-06-11 Dobson Park Ind Pivotal linkage of a mine roof support
CN114000904B (en) * 2021-10-14 2024-12-06 中国煤炭科工集团太原研究院有限公司 An intelligent support robot with a super-large telescopic ratio

Also Published As

Publication number Publication date
GB2062738A (en) 1981-05-28

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Legal Events

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