DE2500150A1 - Grundrahmen fuer schreitendes ausbauelement - Google Patents

Grundrahmen fuer schreitendes ausbauelement

Info

Publication number
DE2500150A1
DE2500150A1 DE19752500150 DE2500150A DE2500150A1 DE 2500150 A1 DE2500150 A1 DE 2500150A1 DE 19752500150 DE19752500150 DE 19752500150 DE 2500150 A DE2500150 A DE 2500150A DE 2500150 A1 DE2500150 A1 DE 2500150A1
Authority
DE
Germany
Prior art keywords
connections
rods
pair
working cylinder
play
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.)
Pending
Application number
DE19752500150
Other languages
German (de)
English (en)
Inventor
Jean Virot
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Publication of DE2500150A1 publication Critical patent/DE2500150A1/de
Pending 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
    • E21D23/0017—Pile type supports
    • E21D23/0021—Pile type supports comprising two walking elements
    • 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
    • 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)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
DE19752500150 1974-01-10 1975-01-03 Grundrahmen fuer schreitendes ausbauelement Pending DE2500150A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400787A FR2257776A1 (en) 1974-01-10 1974-01-10 Base frame for self advancing roof support - is fitted with two guide frames joined by longitudinal and lateral linkage

Publications (1)

Publication Number Publication Date
DE2500150A1 true DE2500150A1 (de) 1975-07-17

Family

ID=9133308

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752500150 Pending DE2500150A1 (de) 1974-01-10 1975-01-03 Grundrahmen fuer schreitendes ausbauelement

Country Status (2)

Country Link
DE (1) DE2500150A1 (enExample)
FR (1) FR2257776A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646563C3 (de) * 1976-10-15 1979-08-09 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Ausbau für den Saumbereich eines Strebs
DE3034645A1 (de) * 1980-09-13 1982-04-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer einen schreitausbau, insbesondere fuer einen schild- oder bockausbau
FR2539810B1 (fr) * 1983-01-25 1985-08-30 Manche Atel Chantiers Pile mobile de soutenement a lemniscate a embase en deux elements pouvant etre ripes independamment l'un de l'autre

Also Published As

Publication number Publication date
FR2257776B1 (enExample) 1982-08-13
FR2257776A1 (en) 1975-08-08

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