SU639472A3 - Устройство дл перпендикул рной установки стоек рамы рудничной крепи - Google Patents

Устройство дл перпендикул рной установки стоек рамы рудничной крепи

Info

Publication number
SU639472A3
SU639472A3 SU721861584A SU1861584A SU639472A3 SU 639472 A3 SU639472 A3 SU 639472A3 SU 721861584 A SU721861584 A SU 721861584A SU 1861584 A SU1861584 A SU 1861584A SU 639472 A3 SU639472 A3 SU 639472A3
Authority
SU
USSR - Soviet Union
Prior art keywords
hydraulic cylinder
fixed
cover
earrings
jaws
Prior art date
Application number
SU721861584A
Other languages
English (en)
Russian (ru)
Inventor
Зиготт Зигфрид
Цитц Альфред
Зессенбек Хейнрих
Original Assignee
Эстеррайхише-Альпине Монтангезельшафт (Фирма)
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 Эстеррайхише-Альпине Монтангезельшафт (Фирма) filed Critical Эстеррайхише-Альпине Монтангезельшафт (Фирма)
Application granted granted Critical
Publication of SU639472A3 publication Critical patent/SU639472A3/ru

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
    • E21D23/0418—Positioning devices and stabilizing means for the props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geology (AREA)
  • Forging (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Jigs For Machine Tools (AREA)
SU721861584A 1971-12-14 1972-12-13 Устройство дл перпендикул рной установки стоек рамы рудничной крепи SU639472A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1073971A AT310114B (de) 1971-12-14 1971-12-14 Einrichtung zum Geradestellen der Stempel eines Ausbaurahmens

Publications (1)

Publication Number Publication Date
SU639472A3 true SU639472A3 (ru) 1978-12-25

Family

ID=3624358

Family Applications (1)

Application Number Title Priority Date Filing Date
SU721861584A SU639472A3 (ru) 1971-12-14 1972-12-13 Устройство дл перпендикул рной установки стоек рамы рудничной крепи

Country Status (11)

Country Link
US (1) US3832856A (https=)
JP (1) JPS5315443B2 (https=)
AT (1) AT310114B (https=)
CS (1) CS166831B2 (https=)
ES (1) ES409544A1 (https=)
FR (1) FR2163542B1 (https=)
GB (1) GB1379417A (https=)
HU (1) HU165109B (https=)
PL (1) PL73430B1 (https=)
SU (1) SU639472A3 (https=)
YU (1) YU35180B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030308A (en) * 1976-05-21 1977-06-21 Fletcher Sutcliffe Wild Limited Mine roof supports
GB1546630A (en) * 1976-12-29 1979-05-23 Fletcher Sutcliffe Wild Ltd Mine roof supports
DE3100093A1 (de) * 1981-01-03 1982-08-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vorrichtung zur begrenzung des ausbauwiderstandes eines hydraulischen ausbauschildes
FR2497872B1 (fr) * 1981-01-13 1986-03-28 Alsace Mines Potasse Dispositif de positionnement hydraulique des etancons d'un ensemble hydraulique de soutenement
US5584611A (en) * 1994-11-22 1996-12-17 Long-Airdox Roof support for underground excavations
US10774642B1 (en) * 2019-05-05 2020-09-15 Liaoning University Hydraulic support unit and hydraulic support for anti-rock burst roadway
CN114673535A (zh) * 2022-03-28 2022-06-28 中国矿业大学(北京) 一种防止煤壁片帮的大倾角支撑装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779791A (en) * 1954-12-15 1957-07-24 Dowty Mining Equipment Ltd Improvements relating to end caps for pit-props
US3016992A (en) * 1957-10-24 1962-01-16 Wilson John Hart Stabilizer for fluid cylinder plungers of high slenderness ratio
GB1107379A (en) * 1964-08-11 1968-03-27 Gullick Ltd Improvements in or relating to pivotally supported members particularly of mine roof supports

Also Published As

Publication number Publication date
DE2259271B2 (de) 1975-07-10
JPS5315443B2 (https=) 1978-05-25
HU165109B (https=) 1974-06-28
FR2163542B1 (https=) 1976-08-20
US3832856A (en) 1974-09-03
ES409544A1 (es) 1975-11-16
JPS4876702A (https=) 1973-10-16
YU35180B (en) 1980-09-25
YU301072A (en) 1979-12-31
DE2259271A1 (de) 1973-07-05
GB1379417A (en) 1975-01-02
CS166831B2 (https=) 1976-03-29
PL73430B1 (https=) 1976-09-15
AT310114B (de) 1973-09-25
FR2163542A1 (https=) 1973-07-27

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