ES320428A1 - Un dispositivo de apoyo del techo para explotaciones de extracciën subterraneas - Google Patents

Un dispositivo de apoyo del techo para explotaciones de extracciën subterraneas

Info

Publication number
ES320428A1
ES320428A1 ES0320428A ES320428A ES320428A1 ES 320428 A1 ES320428 A1 ES 320428A1 ES 0320428 A ES0320428 A ES 0320428A ES 320428 A ES320428 A ES 320428A ES 320428 A1 ES320428 A1 ES 320428A1
Authority
ES
Spain
Prior art keywords
base
superstructure
prop
traction means
details
Prior art date
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
ES0320428A
Other languages
English (en)
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.)
GROETSCHEL KARL MARIA
Original Assignee
GROETSCHEL KARL MARIA
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 GROETSCHEL KARL MARIA filed Critical GROETSCHEL KARL MARIA
Publication of ES320428A1 publication Critical patent/ES320428A1/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/0206—Hydraulically operated extension 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
    • E21D23/0047—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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing 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
    • E21D23/04—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)
  • Tents Or Canopies (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
ES0320428A 1964-12-07 1965-12-06 Un dispositivo de apoyo del techo para explotaciones de extracciën subterraneas Expired ES320428A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49739/64A GB1133099A (en) 1964-12-07 1964-12-07 Improvements relating to roof supports for mine workings

Publications (1)

Publication Number Publication Date
ES320428A1 true ES320428A1 (es) 1966-05-16

Family

ID=10453382

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0320428A Expired ES320428A1 (es) 1964-12-07 1965-12-06 Un dispositivo de apoyo del techo para explotaciones de extracciën subterraneas

Country Status (7)

Country Link
US (1) US3383866A (es)
BE (1) BE673367A (es)
DE (1) DE6601744U (es)
ES (1) ES320428A1 (es)
FR (1) FR1456383A (es)
GB (1) GB1133099A (es)
NL (1) NL6515745A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1568151A (en) * 1977-04-26 1980-05-29 Fletcher Sutcliffe Wild Ltd Mine roof supports
US4268193A (en) * 1979-11-29 1981-05-19 Fletcher Sutcliffe Wild Limited Mine roof supports
DE102008029085B3 (de) * 2008-06-20 2010-01-28 Bucyrus Dbt Europe Gmbh Schildkappe für einen Schildausbau
DE102008029014B3 (de) * 2008-06-20 2010-04-15 Bucyrus Dbt Europe Gmbh Schildausbaugestell für den untertägigen Bergbau und Flächenstützelement hierfür
DE202009015653U1 (de) * 2009-11-25 2011-07-12 Bucyrus Europe Gmbh Schildkappe für einen Schildausbau
CN110259497A (zh) * 2018-11-24 2019-09-20 张国宁 炮掘工作面履带移动式折叠液压前探梁

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB934062A (en) * 1960-09-09 1963-08-14 Gullick Ltd Improvements in or relating to roof supports for mines
FR1320148A (fr) * 1962-01-24 1963-03-08 Charbonnages De France Soutènements marchants à piles jumelées

Also Published As

Publication number Publication date
US3383866A (en) 1968-05-21
DE6601744U (de) 1969-03-27
GB1133099A (en) 1968-11-06
FR1456383A (fr) 1966-10-21
NL6515745A (es) 1966-06-08
BE673367A (es) 1966-06-07

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