CS201019B2 - Altitude adjustable cover of the running way for the underground mining works particularly for the sloping and steep seams - Google Patents

Altitude adjustable cover of the running way for the underground mining works particularly for the sloping and steep seams Download PDF

Info

Publication number
CS201019B2
CS201019B2 CS693678A CS693678A CS201019B2 CS 201019 B2 CS201019 B2 CS 201019B2 CS 693678 A CS693678 A CS 693678A CS 693678 A CS693678 A CS 693678A CS 201019 B2 CS201019 B2 CS 201019B2
Authority
CS
Czechoslovakia
Prior art keywords
height
cover according
track cover
telescopic tubes
adjustable
Prior art date
Application number
CS693678A
Other languages
Czech (cs)
English (en)
Inventor
Willy Hayer
Kunibert Becker
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of CS201019B2 publication Critical patent/CS201019B2/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
    • E21D23/04—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
    • E21D23/0472—Supports specially adapted for people walking or transporting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working
    • 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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Escalators And Moving Walkways (AREA)
CS693678A 1977-11-25 1978-10-25 Altitude adjustable cover of the running way for the underground mining works particularly for the sloping and steep seams CS201019B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772752650 DE2752650C2 (de) 1977-11-25 1977-11-25 Höheneinstellbare Fahrfeldabschirmung für untertägige Gewinnungsbetriebe, insbesondere in geneigter und steiler Lagerung

Publications (1)

Publication Number Publication Date
CS201019B2 true CS201019B2 (en) 1980-10-31

Family

ID=6024626

Family Applications (1)

Application Number Title Priority Date Filing Date
CS693678A CS201019B2 (en) 1977-11-25 1978-10-25 Altitude adjustable cover of the running way for the underground mining works particularly for the sloping and steep seams

Country Status (5)

Country Link
CS (1) CS201019B2 (pl)
DE (1) DE2752650C2 (pl)
ES (1) ES475381A1 (pl)
FR (1) FR2410125A1 (pl)
PL (1) PL117943B1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921459A1 (de) * 1979-05-26 1980-12-04 Gewerk Eisenhuette Westfalia Fahrfeldabschirmung fuer strebbetriebe, insbesondere in geneigter lagerung und bei grossen floezmaechtigkeiten
DE2905873A1 (de) * 1979-02-16 1980-08-28 Gewerk Eisenhuette Westfalia Fahrfeldabschirmung fuer strebbetriebe, insbesondere in geneigter lagerung und bei grossen floezmaechtigkeiten
DE3521819A1 (de) * 1985-06-19 1987-01-02 Kloeckner Becorit Gmbh Hydraulischer strebausbau
PL224969B1 (pl) 2014-06-05 2017-02-28 Politechnika Rzeszowska Im Ignacego Łukasiewicza Wózek zwłaszcza dla osób niepełnosprawnych
CN105927256A (zh) * 2016-04-12 2016-09-07 安徽省宿州市龙华机械制造有限公司 液压支架用跨机头机尾支护结构
CN112177654B (zh) * 2020-09-30 2023-09-26 四川华蓥山龙滩煤电有限责任公司 一种采面端头及顺槽超前自移支护方法
CN119860254B (zh) * 2025-02-25 2025-09-23 山东科技大学 一种可无级调控伸缩比的煤矿电动支架

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1377895A (fr) * 1963-12-23 1964-11-06 Dowty Mining Equipment Ltd Dispositif de soutènement avec écran de protection pour mines
GB1316746A (en) * 1969-09-26 1973-05-16 Dowty Mining Equipment Ltd Flexible shield for use with mining apparatus
DE1952893C3 (de) * 1969-10-21 1975-01-02 Krampe & Co, Fertigung In Bergbaubedarf Gmbh, 4320 Hattingen Faltwand für den Versatz an schreitendem Strebausbau
GB1456993A (en) * 1973-04-27 1976-12-01 Coal Industry Patents Ltd Mine roof support shield assembly
US4067618A (en) * 1976-09-24 1978-01-10 Taiheiyo Engineering Inc. Apparatus for protecting of coal mine workers

Also Published As

Publication number Publication date
FR2410125A1 (fr) 1979-06-22
DE2752650A1 (de) 1979-06-07
PL117943B1 (en) 1981-09-30
DE2752650C2 (de) 1985-02-21
ES475381A1 (es) 1979-04-01
PL211202A1 (pl) 1979-09-10

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