GB1054651A - - Google Patents

Info

Publication number
GB1054651A
GB1054651A GB1054651DA GB1054651A GB 1054651 A GB1054651 A GB 1054651A GB 1054651D A GB1054651D A GB 1054651DA GB 1054651 A GB1054651 A GB 1054651A
Authority
GB
United Kingdom
Prior art keywords
advancing
mine roof
gewerschaft
conneted
adjustably
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
Publication date
Publication of GB1054651A publication Critical patent/GB1054651A/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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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

1,054,651. Advancing mine roof supports. GEWERSCHAFT EISENHUTTE WESTFALIA. July 29, 1963, No. 29953/63. Heading E1E. In an advancing mine roof support assembly for inclined seams consisting of frame units interconnected at their bore by an advancing jack 20, 21, roof alignment is adjustably effected by hydraulic jacks or struts 27, 28 engaging a slide rail 26 to which they may be conneted by a ball joint.
GB1054651D Expired GB1054651A (en)

Publications (1)

Publication Number Publication Date
GB1054651A true GB1054651A (en) 1900-01-01

Family

ID=1758251

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1054651D Expired GB1054651A (en)

Country Status (1)

Country Link
GB (1) GB1054651A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728863A (en) * 1971-09-14 1973-04-24 Gewerk Eisenhuette Westfalia Mine roof support assemblies
FR2415719A1 (en) * 1978-01-28 1979-08-24 Gewerk Eisenhuette Westfalia Mine support system for sloping seams - has arm on height adjustable beam on face conveyor to swing adjacent support sideways
FR2455163A2 (en) * 1978-01-28 1980-11-21 Gewerk Eisenhuette Westfalia Positioning mechanism for mine support assembly - has load spreader with hydraulic cylinders between supports and pressure arm
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
US4586851A (en) * 1983-06-28 1986-05-06 Kloeckner-Becorit Gmbh Levelling ram for roof-shield mine support systems

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728863A (en) * 1971-09-14 1973-04-24 Gewerk Eisenhuette Westfalia Mine roof support assemblies
FR2415719A1 (en) * 1978-01-28 1979-08-24 Gewerk Eisenhuette Westfalia Mine support system for sloping seams - has arm on height adjustable beam on face conveyor to swing adjacent support sideways
FR2455163A2 (en) * 1978-01-28 1980-11-21 Gewerk Eisenhuette Westfalia Positioning mechanism for mine support assembly - has load spreader with hydraulic cylinders between supports and pressure arm
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
US4586851A (en) * 1983-06-28 1986-05-06 Kloeckner-Becorit Gmbh Levelling ram for roof-shield mine support systems

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