YU301072A - Device for hydraulically bringing into normal position the supports at a supporting frame - Google Patents

Device for hydraulically bringing into normal position the supports at a supporting frame

Info

Publication number
YU301072A
YU301072A YU03010/72A YU301072A YU301072A YU 301072 A YU301072 A YU 301072A YU 03010/72 A YU03010/72 A YU 03010/72A YU 301072 A YU301072 A YU 301072A YU 301072 A YU301072 A YU 301072A
Authority
YU
Yugoslavia
Prior art keywords
hydraulically
bringing
supports
supporting frame
normal position
Prior art date
Application number
YU03010/72A
Other versions
YU35180B (en
Original Assignee
Oesterr Alpine Montan
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 Oesterr Alpine Montan filed Critical Oesterr Alpine Montan
Publication of YU301072A publication Critical patent/YU301072A/en
Publication of YU35180B publication Critical patent/YU35180B/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
    • E21D23/04—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)
  • Lining And Supports For Tunnels (AREA)
  • Forging (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Jigs For Machine Tools (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
YU3010/72A 1971-12-14 1972-12-04 Device for hydraulically bringing into noramal position the supports at a supporting frame YU35180B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1073971A AT310114B (en) 1971-12-14 1971-12-14 Device for straightening the stamp of an expansion frame

Publications (2)

Publication Number Publication Date
YU301072A true YU301072A (en) 1979-12-31
YU35180B YU35180B (en) 1980-09-25

Family

ID=3624358

Family Applications (1)

Application Number Title Priority Date Filing Date
YU3010/72A YU35180B (en) 1971-12-14 1972-12-04 Device for hydraulically bringing into noramal position the supports at a supporting frame

Country Status (11)

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

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 (en) * 1981-01-03 1982-08-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen DEVICE FOR LIMITING THE REMOVAL RESISTANCE OF A HYDRAULIC REMOVAL PLATE
FR2497872B1 (en) * 1981-01-13 1986-03-28 Alsace Mines Potasse DEVICE FOR HYDRAULIC POSITIONING OF THE STUDS OF A HYDRAULIC SUPPORT ASSEMBLY
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 (en) * 2022-03-28 2022-06-28 中国矿业大学(北京) Large-inclination-angle supporting device for preventing coal wall from caving

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
SU639472A3 (en) 1978-12-25
PL73430B1 (en) 1976-09-15
US3832856A (en) 1974-09-03
DE2259271B2 (en) 1975-07-10
AT310114B (en) 1973-09-25
JPS5315443B2 (en) 1978-05-25
ES409544A1 (en) 1975-11-16
HU165109B (en) 1974-06-28
CS166831B2 (en) 1976-03-29
JPS4876702A (en) 1973-10-16
FR2163542A1 (en) 1973-07-27
FR2163542B1 (en) 1976-08-20
YU35180B (en) 1980-09-25
GB1379417A (en) 1975-01-02
DE2259271A1 (en) 1973-07-05

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