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GB1248694A - Improvements in mine roof support assemblies - Google Patents

Improvements in mine roof support assemblies

Info

Publication number
GB1248694A
GB1248694A GB02555/69A GB1255569A GB1248694A GB 1248694 A GB1248694 A GB 1248694A GB 02555/69 A GB02555/69 A GB 02555/69A GB 1255569 A GB1255569 A GB 1255569A GB 1248694 A GB1248694 A GB 1248694A
Authority
GB
United Kingdom
Prior art keywords
roof support
mine roof
support assemblies
bars
march
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
GB02555/69A
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 Wanheim GmbH
Original Assignee
Rheinstahl Wanheim 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
Priority claimed from DE19681608288 external-priority patent/DE1608288B1/en
Application filed by Rheinstahl Wanheim GmbH filed Critical Rheinstahl Wanheim GmbH
Publication of GB1248694A publication Critical patent/GB1248694A/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
    • E21D23/04—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
    • 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
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams

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)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Earth Drilling (AREA)
  • Road Paving Machines (AREA)

Abstract

1,248,694. Advancing mine roof support assemblies. RHEINSTAHL WANHEIM G.m.b.H. 10 March, 1969 [12 March, 1968], No. 12555/69. Heading E1P; In an advancing mine roof support assembly comprising two farmes A, B arranged for sequential advance in parallel by a shifting cylinder coupled between the roof bars thereof and a like cylinder 3 coupled between their base plates, cylinders such as 11, 12 are provided in the region of the roof bars and base plates which together with guide rails such as 8 and pivotal rigid bars such as 13 serve for alignment purposes.
GB02555/69A 1968-03-12 1969-03-10 Improvements in mine roof support assemblies Expired GB1248694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681608288 DE1608288B1 (en) 1968-03-12 1968-03-12 Alignment and guide device for expansion frames consisting of two frames arranged parallel to each other

Publications (1)

Publication Number Publication Date
GB1248694A true GB1248694A (en) 1971-10-06

Family

ID=5681511

Family Applications (1)

Application Number Title Priority Date Filing Date
GB02555/69A Expired GB1248694A (en) 1968-03-12 1969-03-10 Improvements in mine roof support assemblies

Country Status (5)

Country Link
US (1) US3524321A (en)
BE (1) BE727824A (en)
FR (1) FR2003683A1 (en)
GB (1) GB1248694A (en)
PL (1) PL80887B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165574A (en) * 1984-10-13 1986-04-16 Dowty Hucknall Limited Mine roof supports with anti toppling device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU464341B2 (en) * 1970-08-13 1975-08-21 Karl Maria Groetschel Improvements relating to advancing roof supports for mine workings
US4010618A (en) * 1974-01-19 1977-03-08 Dowty Mining Equipment Limited Mine roof support
DE2646563C3 (en) * 1976-10-15 1979-08-09 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Expansion for the hem area of a longwall
PL113252B1 (en) * 1978-02-23 1980-11-29 Ts Osrodek P K Maszyn Gorniczy Walking roof supporting structure
DE3024465A1 (en) * 1980-06-28 1982-01-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen PROGRESSIVE EXTENSION FOR UNDERGROUND EXTRACTION COMPANIES, IN PARTICULAR SHIELD REMOVAL
CN113195870B (en) * 2018-10-29 2024-04-23 久益环球地下采矿有限责任公司 Top plate support connector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364412A (en) * 1963-07-24 1964-06-19 Gewerk Eisenhuette Westfalia Mobile hydraulic support for use underground in mines
DE1236451B (en) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Guide element that can be used between two adjacent expansion units
GB1218370A (en) * 1967-02-16 1971-01-06 Bergwerksverband Gmbh Advancing mine roof support units for mine workings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165574A (en) * 1984-10-13 1986-04-16 Dowty Hucknall Limited Mine roof supports with anti toppling device

Also Published As

Publication number Publication date
BE727824A (en) 1969-07-16
FR2003683A1 (en) 1969-11-14
PL80887B1 (en) 1975-08-30
US3524321A (en) 1970-08-18

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