PL235583A2 - Roof support unit for layer-by-layer mining a deposit of coal or other useful mineral with simultaneous ripping in the immediate roof portion - Google Patents

Roof support unit for layer-by-layer mining a deposit of coal or other useful mineral with simultaneous ripping in the immediate roof portion

Info

Publication number
PL235583A2
PL235583A2 PL23558382A PL23558382A PL235583A2 PL 235583 A2 PL235583 A2 PL 235583A2 PL 23558382 A PL23558382 A PL 23558382A PL 23558382 A PL23558382 A PL 23558382A PL 235583 A2 PL235583 A2 PL 235583A2
Authority
PL
Poland
Prior art keywords
layer
ripping
coal
deposit
simultaneous
Prior art date
Application number
PL23558382A
Other versions
PL130585B2 (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/en
Publication of PL130585B2 publication Critical patent/PL130585B2/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
    • E21D23/0004—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 true PL235583A2 (en) 1983-02-14
PL130585B2 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 (en)
DE (1) DE3208444A1 (en)
FR (1) FR2503788A1 (en)
GB (1) GB2096680A (en)
PL (1) PL130585B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025176330A1 (en) 2024-02-23 2025-08-28 Gasiorowski Marek A pin and bush pivot coupling and a modular conveyor comprising numerous modules connected by means of such pivot couplings

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 (en) * 1989-05-11 1992-04-16 ��������@��@����������@��@��@����������@���������k�� MOBILE REMOVAL CHAMBER DEVICE
DE3940818A1 (en) * 1989-12-09 1991-06-13 Gewerk Eisenhuette Westfalia EXTENSION FRAME WITH A DEVICE FOR PULLING OUT THE PRODUCTS TO BE OBTAINED FROM THE UPPER BANK
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 (en) * 2010-12-10 2013-02-20 李泽宇 Vertical hydraulic bracket
CN108692966B (en) * 2018-07-27 2024-12-24 山东矿机华能装备制造有限公司 Hydraulic support simulation test platform
CN109944624A (en) * 2019-05-05 2019-06-28 陕西蓝山重工科技有限公司 Coal mine solid waste filling hydraulic support
CN112593989B (en) * 2020-12-08 2022-11-25 中煤科工开采研究院有限公司 Top beam length adjusting device and method of hydraulic support for caving coal and hydraulic support

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025176330A1 (en) 2024-02-23 2025-08-28 Gasiorowski Marek A pin and bush pivot coupling and a modular conveyor comprising numerous modules connected by means of such pivot couplings

Also Published As

Publication number Publication date
DE3208444A1 (en) 1982-11-11
CS229507B1 (en) 1984-06-18
FR2503788A1 (en) 1982-10-15
GB2096680A (en) 1982-10-20
PL130585B2 (en) 1984-08-31

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