FR2140421B1 - - Google Patents

Info

Publication number
FR2140421B1
FR2140421B1 FR7219863A FR7219863A FR2140421B1 FR 2140421 B1 FR2140421 B1 FR 2140421B1 FR 7219863 A FR7219863 A FR 7219863A FR 7219863 A FR7219863 A FR 7219863A FR 2140421 B1 FR2140421 B1 FR 2140421B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7219863A
Other languages
French (fr)
Other versions
FR2140421A1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of FR2140421A1 publication Critical patent/FR2140421A1/fr
Application granted granted Critical
Publication of FR2140421B1 publication Critical patent/FR2140421B1/fr
Expired legal-status Critical Current

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
    • E21D23/0445—Extensions of the base member supporting the conveyor
    • 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
    • E21D23/0039—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 and supported by a strut or by a row of struts parallel to 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)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7219863A 1971-06-05 1972-06-02 Expired FR2140421B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2128023A DE2128023B2 (de) 1971-06-05 1971-06-05 Wandernder Strebausbau mit nebeneinander angeordneten Ausbauschilden

Publications (2)

Publication Number Publication Date
FR2140421A1 FR2140421A1 (enrdf_load_stackoverflow) 1973-01-19
FR2140421B1 true FR2140421B1 (enrdf_load_stackoverflow) 1980-04-18

Family

ID=5809963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7219863A Expired FR2140421B1 (enrdf_load_stackoverflow) 1971-06-05 1972-06-02

Country Status (4)

Country Link
US (1) US3739586A (enrdf_load_stackoverflow)
DE (1) DE2128023B2 (enrdf_load_stackoverflow)
FR (1) FR2140421B1 (enrdf_load_stackoverflow)
GB (1) GB1375894A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703855A (zh) * 2016-12-22 2017-05-24 淮南矿业(集团)有限责任公司 一种可折叠、可伸展的超前支护

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2257828C2 (de) * 1972-11-25 1974-01-17 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Vorrichtung zum schildartigen Ausbau von untertägigen Gewinnungsbetrieben
DE2319909C2 (de) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung
GB1504883A (en) * 1974-06-04 1978-03-22 Gullick Dobson Ltd Mine roof supports
GB1486906A (en) * 1974-09-07 1977-09-28 Peake C Mining apparatus
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports
DE2516394A1 (de) * 1975-04-15 1976-10-28 Bochumer Eisen Heintzmann Schildausbaugestell
DE2525034C2 (de) * 1975-06-05 1981-01-08 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Kappe für Strebausbauelemente
DE2601001A1 (de) * 1976-01-13 1977-07-14 Johannes Winkler Rueckbarer strebausbau mit fuehrungsvorrichtung insbesondere fuer geneigte lagerung
ZA762055B (en) * 1976-04-08 1977-05-25 Dowty Mining Equipment Ltd Mine roorf support
DE2853050C2 (de) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Seitliche Abdichtungsvorrichtung für einen Ausbaurahmen im untertägigen Bergbau
DE3140924C2 (de) * 1981-10-15 1985-07-18 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Strebausbaugestell
AT388971B (de) * 1986-01-22 1989-09-25 Voest Alpine Ag Auf raupen verfahrbarer abstuetzbock
DE19953526B4 (de) * 1999-11-05 2008-05-29 Dbt Gmbh Ausbaugestell für große Flözmächtigkeiten mit einer gesteuerten Spaltabdichtung
WO2011006041A1 (en) 2009-07-10 2011-01-13 Joy Mm Delaware, Inc. Longwall mining roof supports
CN102182485A (zh) * 2011-03-17 2011-09-14 兖州煤业股份有限公司 悬臂式掘进机机载超前支护装置
CN105221174A (zh) * 2015-10-08 2016-01-06 山西晋城无烟煤矿业集团有限责任公司 过冒落段支护方法
CN106761872B (zh) * 2016-12-22 2019-05-31 淮南矿业(集团)有限责任公司 一种可升降、折叠、伸展的机载超前支护装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA832741A (en) * 1970-01-27 Vasilievich Martynov Boris Mechanized hydraulic timbering
US2910282A (en) * 1957-07-15 1959-10-27 Dowty Mining Equipment Ltd Mine roof support devices
DE1236451B (de) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Zwischen zwei benachbarte Ausbaueinheiten einsetzbares Leitorgan
US3570255A (en) * 1968-06-10 1971-03-16 Mastabar Mining Equipment Co L Mine roof support
DE1948280A1 (de) * 1969-09-24 1971-04-01 Krampe & Co Verzug fuer den wandernden Strebausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703855A (zh) * 2016-12-22 2017-05-24 淮南矿业(集团)有限责任公司 一种可折叠、可伸展的超前支护

Also Published As

Publication number Publication date
FR2140421A1 (enrdf_load_stackoverflow) 1973-01-19
DE2128023B2 (de) 1974-04-18
GB1375894A (enrdf_load_stackoverflow) 1974-11-27
DE2128023A1 (de) 1972-12-14
US3739586A (en) 1973-06-19

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