NL6510227A - - Google Patents

Info

Publication number
NL6510227A
NL6510227A NL6510227A NL6510227A NL6510227A NL 6510227 A NL6510227 A NL 6510227A NL 6510227 A NL6510227 A NL 6510227A NL 6510227 A NL6510227 A NL 6510227A NL 6510227 A NL6510227 A NL 6510227A
Authority
NL
Netherlands
Application number
NL6510227A
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 filed Critical
Publication of NL6510227A publication Critical patent/NL6510227A/xx

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
    • E21D23/12—Control, e.g. using remote control
    • 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
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • 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
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/142—Measuring the advance of support units with respect to external points of reference
    • 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
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/144—Measuring the advance of support units with respect to internal points of reference, e.g. with respect to neighboring support units or extension of a cylinder
    • 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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

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)
  • Vehicle Body Suspensions (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Revetment (AREA)
NL6510227A 1964-08-20 1965-08-06 NL6510227A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH53591A DE1232908B (de) 1964-08-20 1964-08-20 Ausbaugespann fuer den schreitenden Strebausbau

Publications (1)

Publication Number Publication Date
NL6510227A true NL6510227A (de) 1966-02-21

Family

ID=7158392

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6510227A NL6510227A (de) 1964-08-20 1965-08-06

Country Status (5)

Country Link
US (1) US3397543A (de)
BE (1) BE667860A (de)
DE (1) DE1232908B (de)
GB (1) GB1123201A (de)
NL (1) NL6510227A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1783025B1 (de) * 1968-09-20 1970-10-15 Bergwerksverband Gmbh Vorrichtung zum abtasten von im weg des vorrueckendenden ,schreitenden strebausbaus befindlichen hindernissen im bereich des abbaustosses
US3651652A (en) * 1969-04-03 1972-03-28 Gewerk Eisenhuette Westfalia Support assemblies for mineral mines
GB1502131A (en) * 1975-05-22 1978-02-22 Fletcher Sutcliffe Wild Ltd Mine roof supports
CN110219689A (zh) * 2019-06-13 2019-09-10 霍州煤电集团河津腾晖煤业有限责任公司 一种井下掘进工作面临时防护支架及其施工方法
CN110130964A (zh) * 2019-06-13 2019-08-16 霍州煤电集团河津腾晖煤业有限责任公司 一种掘进工作面临时支护装置及施工方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069548B (de) * 1959-11-26
US2859022A (en) * 1955-04-04 1958-11-04 Dowty Mining Equipment Ltd Hydraulic roof supports and conveyor feed jacks
DE1097932B (de) * 1957-04-26 1961-01-26 Hoesch Ag Verwindungsfreie Aufhaengung hydraulischer Ausbaurahmen
FR1190532A (fr) * 1957-07-05 1959-10-13 Dobson Ltd W E & F Perfectionnements apportés aux supports de plafonds pour mines souterraines
DE1150342B (de) * 1960-07-21 1963-06-20 Hemscheidt Maschf Hermann Hydraulisches Ausbaugespann fuer den Ausbau unter Tage
DE1882507U (de) * 1960-08-18 1963-11-14 Gewerk Eisenhuette Westfalia Wandernder strebausbau.
GB947078A (en) * 1960-12-02 1964-01-22 Dowty Mining Equipment Ltd Self-advancing roof support
DE1160391B (de) * 1963-02-16 1964-01-02 Gewerk Eisenhuette Westfalia Schreitendes hydraulisches Grubenausbaugestell
GB1023125A (en) * 1963-07-22 1966-03-16 Dowty Mining Equipment Ltd Mining apparatus
US3246730A (en) * 1964-06-09 1966-04-19 Dowty Mining Equipment Ltd Mining apparatus comprising automatically advancing jacks

Also Published As

Publication number Publication date
DE1232908B (de) 1967-01-26
BE667860A (de) 1965-12-01
US3397543A (en) 1968-08-20
GB1123201A (en) 1968-08-14

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