CS198586A2 - Section of support's face mechanization for longwall method - Google Patents

Section of support's face mechanization for longwall method

Info

Publication number
CS198586A2
CS198586A2 CS861985A CS198586A CS198586A2 CS 198586 A2 CS198586 A2 CS 198586A2 CS 861985 A CS861985 A CS 861985A CS 198586 A CS198586 A CS 198586A CS 198586 A2 CS198586 A2 CS 198586A2
Authority
CS
Czechoslovakia
Prior art keywords
support
section
face mechanization
longwall method
longwall
Prior art date
Application number
CS861985A
Other languages
Czech (cs)
Other versions
CS270433B2 (en
Inventor
Alfred Maykemper
Original Assignee
Hemscheidt Maschf Hermann
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 Hemscheidt Maschf Hermann filed Critical Hemscheidt Maschf Hermann
Publication of CS198586A2 publication Critical patent/CS198586A2/en
Publication of CS270433B2 publication Critical patent/CS270433B2/en

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
    • E21D23/0004—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
    • E21D23/0082—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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
  • Bridges Or Land Bridges (AREA)
  • Actuator (AREA)
CS861985A 1985-03-28 1986-03-21 Section of support's face mechanization for longwall method CS270433B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853511275 DE3511275C1 (en) 1985-03-28 1985-03-28 Hydraulic self-advancing support assembly

Publications (2)

Publication Number Publication Date
CS198586A2 true CS198586A2 (en) 1989-11-14
CS270433B2 CS270433B2 (en) 1990-06-13

Family

ID=6266584

Family Applications (1)

Application Number Title Priority Date Filing Date
CS861985A CS270433B2 (en) 1985-03-28 1986-03-21 Section of support's face mechanization for longwall method

Country Status (6)

Country Link
CN (1) CN86101783A (en)
CS (1) CS270433B2 (en)
DE (1) DE3511275C1 (en)
FR (1) FR2584135A1 (en)
PL (1) PL149963B1 (en)
SU (1) SU1528326A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627205C1 (en) * 1986-08-11 1988-04-07 Hemscheidt Maschf Hermann Hydraulic self-advancing support assembly in combination with a winning apparatus circulating at the roof and floor
DE3631266A1 (en) * 1986-09-13 1988-03-24 Hemscheidt Maschf Hermann Winning apparatus guided on hydraulic self-advancing support assemblies
RU2130553C1 (en) * 1996-03-06 1999-05-20 Долинский Аркадий Маркович Coal-mining machinery setup
RU2325535C1 (en) * 2006-09-18 2008-05-27 Аркадий Маркович Долинский Complex for sloping and steep beds "kd"
CN103822657B (en) * 2014-03-18 2016-08-24 中国矿业大学 Underground coal mine fully-mechanized mining working advancing distance dynamic monitor
CN113006851B (en) * 2021-03-19 2022-12-06 中煤科工开采研究院有限公司 Mining hydraulic support limiting pushing mechanism

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU693027A1 (en) * 1976-10-12 1979-10-25 Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" Front-end roof support units
GB1601358A (en) * 1978-05-25 1981-10-28 Dowty Mining Equipment Ltd Mine roof supports
GB2030202B (en) * 1978-09-16 1982-06-23 Fletcher Sutcliffe Wild Ltd Mine roof supports
DE2850073A1 (en) * 1978-11-18 1980-05-29 Fletcher Sutcliffe Wild Ltd Roof support for longwall mining - has permanently loaded force applicator acting on roof beams and restoring displaced chock legs after predetermined pressure drop
US4268193A (en) * 1979-11-29 1981-05-19 Fletcher Sutcliffe Wild Limited Mine roof supports
FR2540932B3 (en) * 1983-02-16 1985-12-13 Bennes Marrel WALKING SUPPORT PILE, ESPECIALLY FOR UNDERGROUND MINES

Also Published As

Publication number Publication date
CS270433B2 (en) 1990-06-13
SU1528326A3 (en) 1989-12-07
CN86101783A (en) 1986-09-24
PL149963B1 (en) 1990-04-30
DE3511275C1 (en) 1986-06-19
FR2584135A1 (en) 1987-01-02

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