FR2370852A1 - Butees de recentrage d'une pile de soutenement marchant de mines - Google Patents

Butees de recentrage d'une pile de soutenement marchant de mines

Info

Publication number
FR2370852A1
FR2370852A1 FR7634542A FR7634542A FR2370852A1 FR 2370852 A1 FR2370852 A1 FR 2370852A1 FR 7634542 A FR7634542 A FR 7634542A FR 7634542 A FR7634542 A FR 7634542A FR 2370852 A1 FR2370852 A1 FR 2370852A1
Authority
FR
France
Prior art keywords
face
support system
roof support
mine roof
cam operated
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
FR7634542A
Other languages
English (en)
French (fr)
Other versions
FR2370852B3 (enExample
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 FR7634542A priority Critical patent/FR2370852A1/fr
Publication of FR2370852A1 publication Critical patent/FR2370852A1/fr
Application granted granted Critical
Publication of FR2370852B3 publication Critical patent/FR2370852B3/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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • 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)
  • Attitude Control For Articles On Conveyors (AREA)
  • Control Of Conveyors (AREA)
FR7634542A 1976-11-10 1976-11-10 Butees de recentrage d'une pile de soutenement marchant de mines Granted FR2370852A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7634542A FR2370852A1 (fr) 1976-11-10 1976-11-10 Butees de recentrage d'une pile de soutenement marchant de mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7634542A FR2370852A1 (fr) 1976-11-10 1976-11-10 Butees de recentrage d'une pile de soutenement marchant de mines

Publications (2)

Publication Number Publication Date
FR2370852A1 true FR2370852A1 (fr) 1978-06-09
FR2370852B3 FR2370852B3 (enExample) 1979-07-27

Family

ID=9179992

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7634542A Granted FR2370852A1 (fr) 1976-11-10 1976-11-10 Butees de recentrage d'une pile de soutenement marchant de mines

Country Status (1)

Country Link
FR (1) FR2370852A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100404789C (zh) * 2004-12-06 2008-07-23 煤炭科学研究总院太原分院 采煤巷道超前支护悬挂移动式液压支架

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100404789C (zh) * 2004-12-06 2008-07-23 煤炭科学研究总院太原分院 采煤巷道超前支护悬挂移动式液压支架

Also Published As

Publication number Publication date
FR2370852B3 (enExample) 1979-07-27

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