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PL204847A1 - Obudowa kroczaca - Google Patents

Obudowa kroczaca

Info

Publication number
PL204847A1
PL204847A1 PL20484778A PL20484778A PL204847A1 PL 204847 A1 PL204847 A1 PL 204847A1 PL 20484778 A PL20484778 A PL 20484778A PL 20484778 A PL20484778 A PL 20484778A PL 204847 A1 PL204847 A1 PL 204847A1
Authority
PL
Poland
Prior art keywords
trouble
housing
trouble housing
Prior art date
Application number
PL20484778A
Other languages
English (en)
Other versions
PL113252B1 (en
Inventor
Wincenty Pretor
Edward Rozmus
Zbigniew Korecki
Stanislaw Karmanski
Original Assignee
Ts Osrodek P K Maszyn Gorniczy
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 Ts Osrodek P K Maszyn Gorniczy filed Critical Ts Osrodek P K Maszyn Gorniczy
Priority to PL1978204847A priority Critical patent/PL113252B1/pl
Priority to YU00407/79A priority patent/YU40779A/xx
Priority to DE19797904874U priority patent/DE7904874U1/de
Priority to US06/013,312 priority patent/US4293248A/en
Priority to DE19792906775 priority patent/DE2906775A1/de
Publication of PL204847A1 publication Critical patent/PL204847A1/pl
Publication of PL113252B1 publication Critical patent/PL113252B1/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
    • E21D23/0013—Frame type supports
    • 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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
  • Manipulator (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Bridges Or Land Bridges (AREA)
  • Presses And Accessory Devices Thereof (AREA)
PL1978204847A 1978-02-23 1978-02-23 Walking roof supporting structure PL113252B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL1978204847A PL113252B1 (en) 1978-02-23 1978-02-23 Walking roof supporting structure
YU00407/79A YU40779A (en) 1978-02-23 1979-02-20 Movable roof support
DE19797904874U DE7904874U1 (de) 1978-02-23 1979-02-21 Rueck- und fuehrungsvorrichtung fuer ein streckenausbaugespann
US06/013,312 US4293248A (en) 1978-02-23 1979-02-21 Walking roof support
DE19792906775 DE2906775A1 (de) 1978-02-23 1979-02-21 Schreitender ausbau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL1978204847A PL113252B1 (en) 1978-02-23 1978-02-23 Walking roof supporting structure

Publications (2)

Publication Number Publication Date
PL204847A1 true PL204847A1 (pl) 1979-11-19
PL113252B1 PL113252B1 (en) 1980-11-29

Family

ID=19987705

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1978204847A PL113252B1 (en) 1978-02-23 1978-02-23 Walking roof supporting structure

Country Status (4)

Country Link
US (1) US4293248A (pl)
DE (2) DE7904874U1 (pl)
PL (1) PL113252B1 (pl)
YU (1) YU40779A (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847390B (zh) * 2015-03-18 2017-12-05 辽宁工程技术大学 一种并列式主梁液压支架
CN113195870B (zh) * 2018-10-29 2024-04-23 久益环球地下采矿有限责任公司 顶板支架连接器
CN110645034A (zh) * 2019-10-29 2020-01-03 辽宁工程技术大学 一种滑移式柔性超前支护机构及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126821B (de) * 1961-07-19 1962-04-05 Hemscheidt Maschf Hermann Ausbaugespann fuer die steile Lagerung
DE1161834B (de) * 1962-06-14 1964-01-30 Gewerk Eisenhuette Westfalia Selbsttaetig rueckbares Ausbaugestell fuer bergmaennische Gewinnungsbetriebe
NL6501331A (pl) * 1965-02-03 1966-08-04
BE727824A (pl) * 1968-03-12 1969-07-16
US3813886A (en) * 1973-01-02 1974-06-04 G Alacchi Travelling shoring apparatus

Also Published As

Publication number Publication date
YU40779A (en) 1982-06-30
US4293248A (en) 1981-10-06
DE2906775A1 (de) 1979-08-30
DE7904874U1 (de) 1981-02-19
PL113252B1 (en) 1980-11-29

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