PL130585B2 - Roof support unit for layer-by-layer mining coal or useuul mineral deposits with ripping useful mineral from directly adjacent roof area - Google Patents

Roof support unit for layer-by-layer mining coal or useuul mineral deposits with ripping useful mineral from directly adjacent roof area Download PDF

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Publication number
PL130585B2
PL130585B2 PL23558382A PL23558382A PL130585B2 PL 130585 B2 PL130585 B2 PL 130585B2 PL 23558382 A PL23558382 A PL 23558382A PL 23558382 A PL23558382 A PL 23558382A PL 130585 B2 PL130585 B2 PL 130585B2
Authority
PL
Poland
Prior art keywords
frame base
layer
casing
mineral
canopy
Prior art date
Application number
PL23558382A
Other languages
English (en)
Polish (pl)
Other versions
PL235583A2 (en
Inventor
Tadeas Wala
Augustin Machata
Original Assignee
Uholne A Lignitove Bane
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 Uholne A Lignitove Bane filed Critical Uholne A Lignitove Bane
Publication of PL235583A2 publication Critical patent/PL235583A2/xx
Publication of PL130585B2 publication Critical patent/PL130585B2/pl

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
    • E21D23/0004—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
    • E21D23/04—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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags

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)
PL23558382A 1981-04-09 1982-03-23 Roof support unit for layer-by-layer mining coal or useuul mineral deposits with ripping useful mineral from directly adjacent roof area PL130585B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS270881A CS229507B1 (en) 1981-04-09 1981-04-09 Support unit for coal or industrial minerals seam mining in benches and/or by roof enlarging

Publications (2)

Publication Number Publication Date
PL235583A2 PL235583A2 (en) 1983-02-14
PL130585B2 true PL130585B2 (en) 1984-08-31

Family

ID=5364955

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23558382A PL130585B2 (en) 1981-04-09 1982-03-23 Roof support unit for layer-by-layer mining coal or useuul mineral deposits with ripping useful mineral from directly adjacent roof area

Country Status (5)

Country Link
CS (1) CS229507B1 (fr)
DE (1) DE3208444A1 (fr)
FR (1) FR2503788A1 (fr)
GB (1) GB2096680A (fr)
PL (1) PL130585B2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129476B (en) * 1982-10-29 1986-08-06 Dowty Mining Equipment Ltd Self-advancing support and control means therefor
PL146732B3 (en) * 1984-12-19 1989-03-31 Ct Kt Maszyn Gorniczych Komag Roof support cap piece
HUT57378A (en) * 1987-12-08 1991-11-28 Karagandinskij Polt Institut Mechanized mining supporting unit
DD299446A5 (de) * 1989-05-11 1992-04-16 ��������@��@����������@��@��@����������@���������k�� Mobile abbau kammerabstuetzvorrichtung
DE3940818A1 (de) * 1989-12-09 1991-06-13 Gewerk Eisenhuette Westfalia Ausbaugestell mit einer vorrichtung zum abziehen des aus der oberbank nachbrechenden gewinnungsgutes
GB2239286B (en) * 1989-12-23 1994-03-02 Meco Mining Equip Mine roof support
DE4016929C1 (en) * 1990-05-25 1991-09-26 Hermann Hemscheidt Maschinenfabrik Gmbh & Co., 5600 Wuppertal, De Roof support for mine - has canopy with bar hinged to floor skids by extendable props
CN102116163B (zh) * 2010-12-10 2013-02-20 李泽宇 一种立层液压支架
CN108692966A (zh) * 2018-07-27 2018-10-23 山东矿机华能装备制造有限公司 液压支架模拟试验平台
CN109944624A (zh) * 2019-05-05 2019-06-28 陕西蓝山重工科技有限公司 煤矿固体废弃物充填液压支架
CN112593989B (zh) * 2020-12-08 2022-11-25 中煤科工开采研究院有限公司 放顶煤液压支架的顶梁长度调节装置、方法和液压支架

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2031495B (en) * 1978-09-13 1982-07-14 Winkler J Ust shields for mine roof supports
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams

Also Published As

Publication number Publication date
PL235583A2 (en) 1983-02-14
CS229507B1 (en) 1984-06-18
GB2096680A (en) 1982-10-20
DE3208444A1 (de) 1982-11-11
FR2503788A1 (fr) 1982-10-15

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