FR2388989A1 - Pile de soutirage, pour un soutenement marchant utilisable dans les mines - Google Patents

Pile de soutirage, pour un soutenement marchant utilisable dans les mines

Info

Publication number
FR2388989A1
FR2388989A1 FR7713465A FR7713465A FR2388989A1 FR 2388989 A1 FR2388989 A1 FR 2388989A1 FR 7713465 A FR7713465 A FR 7713465A FR 7713465 A FR7713465 A FR 7713465A FR 2388989 A1 FR2388989 A1 FR 2388989A1
Authority
FR
France
Prior art keywords
support
hydraulic ram
hinged
head carried
support head
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.)
Granted
Application number
FR7713465A
Other languages
English (en)
Other versions
FR2388989B1 (fr
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR7713465A priority Critical patent/FR2388989A1/fr
Publication of FR2388989A1 publication Critical patent/FR2388989A1/fr
Application granted granted Critical
Publication of FR2388989B1 publication Critical patent/FR2388989B1/fr
Granted 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
    • 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
    • E21D23/0043—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 two or more rows of struts parallel to the working face

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 Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

L'invention concerne une pile de soutirage utilisable dans les mines. La pile comprend une semelle 1 sur laquelle une flèche 3 est articulée par intermédiaire d'un axe 4, un chapeau 5 étant articulé sur l'avant de la flèche 3. La partie arrière de la semelle est rehaussée, et constitue un caisson 2 dans lequel est aménagée une ouverture 13. Une banane articulée 14 actionnée par un vérin 16 peut obturer l'ouverture 13. Un convoyeur arrière 20 repose sur la semelle 1, juste en avant du caisson 2. Application : Mise en oeuvre de la méthode de soutirage dans une taille de terrain friable.
FR7713465A 1977-04-26 1977-04-26 Pile de soutirage, pour un soutenement marchant utilisable dans les mines Granted FR2388989A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7713465A FR2388989A1 (fr) 1977-04-26 1977-04-26 Pile de soutirage, pour un soutenement marchant utilisable dans les mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7713465A FR2388989A1 (fr) 1977-04-26 1977-04-26 Pile de soutirage, pour un soutenement marchant utilisable dans les mines

Publications (2)

Publication Number Publication Date
FR2388989A1 true FR2388989A1 (fr) 1978-11-24
FR2388989B1 FR2388989B1 (fr) 1983-03-25

Family

ID=9190283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7713465A Granted FR2388989A1 (fr) 1977-04-26 1977-04-26 Pile de soutirage, pour un soutenement marchant utilisable dans les mines

Country Status (1)

Country Link
FR (1) FR2388989A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360742A1 (fr) * 1976-05-21 1978-03-03 Bennes Marrel Pile a fleche de soutirage pour un soutenement marchant utilisable dans les mines
FR2369414A1 (fr) * 1976-10-29 1978-05-26 Bennes Marrel Pile a bielles de soutirage, pour un soutenement marchant utilisable dans les mines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360742A1 (fr) * 1976-05-21 1978-03-03 Bennes Marrel Pile a fleche de soutirage pour un soutenement marchant utilisable dans les mines
FR2369414A1 (fr) * 1976-10-29 1978-05-26 Bennes Marrel Pile a bielles de soutirage, pour un soutenement marchant utilisable dans les mines

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
EXBK/71 *
EXBK/75 *
EXBK/76 *
EXRV/71 *

Also Published As

Publication number Publication date
FR2388989B1 (fr) 1983-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse