[go: up one dir, main page]

GB1477947A - Mine roof support frame - Google Patents

Mine roof support frame

Info

Publication number
GB1477947A
GB1477947A GB1245875A GB1245875A GB1477947A GB 1477947 A GB1477947 A GB 1477947A GB 1245875 A GB1245875 A GB 1245875A GB 1245875 A GB1245875 A GB 1245875A GB 1477947 A GB1477947 A GB 1477947A
Authority
GB
United Kingdom
Prior art keywords
mine roof
frame
pivotally connected
roof support
support frame
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
GB1245875A
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.)
Rheinstahl AG
Original Assignee
Rheinstahl AG
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 Rheinstahl AG filed Critical Rheinstahl AG
Publication of GB1477947A publication Critical patent/GB1477947A/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
    • E21D23/0039—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 a strut or by a row 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
    • E21D23/04—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
    • E21D23/0427—Shield operating devices; Hinges therefor

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)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

1477947 Mine roof support frames RHEINSTAHL AG 25 March 1975 [9 May 1974] 12458/75 Heading E1P In a mine roof support frame comprising a face-side roof bar 2 and a goaf-side roof bar 3 both mounted on a floor frame 1, the roof bar 3 is pivotally mounted in a bracket 11 carried by the frame 1 and is adjustably positioned by a horizontally extending support element 5 whilst the roof bar 2 is supported by a prop 4 resting on the floor frame 1. The members 4, 5 are constituted by piston-and-cylinder units, the cylinder 6 of the member 5 being pivotally connected to the goaf end of the floor frame 1 whilst its piston 7 is pivotally connected to straps 8 which in turn are also pivotally connected to an operating lever 9 pivotal about a pin 10.
GB1245875A 1974-05-09 1975-03-25 Mine roof support frame Expired GB1477947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422591A DE2422591A1 (en) 1974-05-09 1974-05-09 ARRANGEMENT OF SUPPORT ELEMENTS

Publications (1)

Publication Number Publication Date
GB1477947A true GB1477947A (en) 1977-06-29

Family

ID=5915144

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1245875A Expired GB1477947A (en) 1974-05-09 1975-03-25 Mine roof support frame

Country Status (3)

Country Link
DE (1) DE2422591A1 (en)
GB (1) GB1477947A (en)
ZA (1) ZA752667B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2506076C2 (en) * 1975-02-13 1976-11-18 Rheinstahl Ag SHIELD REMOVAL FOR STRUTS
DE2617141C3 (en) * 1976-04-17 1984-07-05 Thyssen Industrie Ag, 4300 Essen Cap and break shield construction for a shield support frame

Also Published As

Publication number Publication date
ZA752667B (en) 1976-07-28
DE2422591A1 (en) 1975-11-13

Similar Documents

Publication Publication Date Title
GB850170A (en) Advancing roof-support apparatus for winning operations in mining work
GB1363188A (en) Shield-type mine roof support frame
GB1431609A (en) Mine roof support and shield structure
GB1491743A (en) Shield-type roof support unit for mines
GB1477947A (en) Mine roof support frame
GB1471311A (en) Mining installation
GB1213857A (en) Mine roof support units
GB1492586A (en) Roof support systems for underground mine workings
GB1521970A (en) Mine roof supports
FR2266798A1 (en) Equipment for adjusting self-advancing support on rising faces - has diagonally positioned cylinder between base and roof cap
GB1218370A (en) Advancing mine roof support units for mine workings
GB1069905A (en) Improvements relating to roof supports for mine workings
GB1329125A (en) Mine roof supports
GB1504883A (en) Mine roof supports
GB1133099A (en) Improvements relating to roof supports for mine workings
GB1269866A (en) Roof support for use in mines
GB1049431A (en) Improvements in or relating to mine roof supports
GB1251096A (en)
GB1375562A (en)
GB1216953A (en) Improvements in support assemblies for mineral mines
GB1443081A (en) Mine roof supports
GB1295779A (en)
GB1457048A (en) Mine roof support
GB1183238A (en) Improvements in or relating to Advancing Mine Roof Support Systems
GB1082766A (en) Improvements in or relating to mine roof-supporting frames

Legal Events

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