CS270433B2 - Section of support's face mechanization for longwall method - Google Patents

Section of support's face mechanization for longwall method Download PDF

Info

Publication number
CS270433B2
CS270433B2 CS861985A CS198586A CS270433B2 CS 270433 B2 CS270433 B2 CS 270433B2 CS 861985 A CS861985 A CS 861985A CS 198586 A CS198586 A CS 198586A CS 270433 B2 CS270433 B2 CS 270433B2
Authority
CS
Czechoslovakia
Prior art keywords
joist
shield
support
ceiling
base
Prior art date
Application number
CS861985A
Other languages
Czech (cs)
English (en)
Other versions
CS198586A2 (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/cs
Publication of CS270433B2 publication Critical patent/CS270433B2/cs

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)
  • Bridges Or Land Bridges (AREA)
  • Earth Drilling (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 (de) 1985-03-28 1985-03-28 Hydraulisches Schreitausbaugestell

Publications (2)

Publication Number Publication Date
CS198586A2 CS198586A2 (en) 1989-11-14
CS270433B2 true 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 (pl)
CS (1) CS270433B2 (pl)
DE (1) DE3511275C1 (pl)
FR (1) FR2584135A1 (pl)
PL (1) PL149963B1 (pl)
SU (1) SU1528326A3 (pl)

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 (de) * 1986-09-13 1988-03-24 Hemscheidt Maschf Hermann An hydraulischen schreitausbaugestellen gefuehrte gewinnungseinrichtung
RU2130553C1 (ru) * 1996-03-06 1999-05-20 Долинский Аркадий Маркович Угледобывающий агрегат
RU2325535C1 (ru) * 2006-09-18 2008-05-27 Аркадий Маркович Долинский Комплекс для наклонных и крутых пластов кд
CN103822657B (zh) * 2014-03-18 2016-08-24 中国矿业大学 煤矿井下综采工作面推进距动态监测仪
CN113006851B (zh) * 2021-03-19 2022-12-06 中煤科工开采研究院有限公司 一种矿用液压支架限位推移机构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU693027A1 (ru) * 1976-10-12 1979-10-25 Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" Фронтальный агрегат
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 (de) * 1978-11-18 1980-05-29 Fletcher Sutcliffe Wild Ltd Grubenausbau, insbesondere strebausbau
US4268193A (en) * 1979-11-29 1981-05-19 Fletcher Sutcliffe Wild Limited Mine roof supports
FR2540932B3 (fr) * 1983-02-16 1985-12-13 Bennes Marrel Pile de soutenement marchant, notamment pour les mines souterraines

Also Published As

Publication number Publication date
CS198586A2 (en) 1989-11-14
PL149963B1 (en) 1990-04-30
CN86101783A (zh) 1986-09-24
SU1528326A3 (ru) 1989-12-07
DE3511275C1 (de) 1986-06-19
FR2584135A1 (fr) 1987-01-02

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