ES475381A1 - Perfeccionamientos en protecciones de vapor transitables ajustables automaticamente para entibaciones progresivas - Google Patents

Perfeccionamientos en protecciones de vapor transitables ajustables automaticamente para entibaciones progresivas

Info

Publication number
ES475381A1
ES475381A1 ES475381A ES475381A ES475381A1 ES 475381 A1 ES475381 A1 ES 475381A1 ES 475381 A ES475381 A ES 475381A ES 475381 A ES475381 A ES 475381A ES 475381 A1 ES475381 A1 ES 475381A1
Authority
ES
Spain
Prior art keywords
conveyor
behind
mine support
horizontal tubes
suspension chains
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
ES475381A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES475381A1 publication Critical patent/ES475381A1/es
Expired legal-status Critical Current

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
    • E21D23/0472—Supports specially adapted for people walking or transporting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working
    • 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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Escalators And Moving Walkways (AREA)

Abstract

Perfeccionamientos en protecciones de vanos transitables ajustables automáticamente y para entibaciones progresivas especialmente en una entibación de caballetes o de escudo caracterizados porque cada protección consta de elementos de longitud variable, como especialmente tubos telescópicos, muelles de tracción, o similares, dispuestos entre la cubierta y un apoyo de base, que están unidos al modo de una celosía a través de travesaños paralelos y de separación variable, estando conectados los travesaños por su parte a por lo menos un cordón de tracción flexible.
ES475381A 1977-11-25 1978-11-24 Perfeccionamientos en protecciones de vapor transitables ajustables automaticamente para entibaciones progresivas Expired ES475381A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772752650 DE2752650C2 (de) 1977-11-25 1977-11-25 Höheneinstellbare Fahrfeldabschirmung für untertägige Gewinnungsbetriebe, insbesondere in geneigter und steiler Lagerung

Publications (1)

Publication Number Publication Date
ES475381A1 true ES475381A1 (es) 1979-04-01

Family

ID=6024626

Family Applications (1)

Application Number Title Priority Date Filing Date
ES475381A Expired ES475381A1 (es) 1977-11-25 1978-11-24 Perfeccionamientos en protecciones de vapor transitables ajustables automaticamente para entibaciones progresivas

Country Status (5)

Country Link
CS (1) CS201019B2 (es)
DE (1) DE2752650C2 (es)
ES (1) ES475381A1 (es)
FR (1) FR2410125A1 (es)
PL (1) PL117943B1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921459A1 (de) * 1979-05-26 1980-12-04 Gewerk Eisenhuette Westfalia Fahrfeldabschirmung fuer strebbetriebe, insbesondere in geneigter lagerung und bei grossen floezmaechtigkeiten
DE2905873A1 (de) * 1979-02-16 1980-08-28 Gewerk Eisenhuette Westfalia Fahrfeldabschirmung fuer strebbetriebe, insbesondere in geneigter lagerung und bei grossen floezmaechtigkeiten
DE3521819A1 (de) * 1985-06-19 1987-01-02 Kloeckner Becorit Gmbh Hydraulischer strebausbau
PL224969B1 (pl) 2014-06-05 2017-02-28 Politechnika Rzeszowska Im Ignacego Łukasiewicza Wózek zwłaszcza dla osób niepełnosprawnych
CN105927256A (zh) * 2016-04-12 2016-09-07 安徽省宿州市龙华机械制造有限公司 液压支架用跨机头机尾支护结构
CN112177654B (zh) * 2020-09-30 2023-09-26 四川华蓥山龙滩煤电有限责任公司 一种采面端头及顺槽超前自移支护方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1377895A (fr) * 1963-12-23 1964-11-06 Dowty Mining Equipment Ltd Dispositif de soutènement avec écran de protection pour mines
GB1316746A (en) * 1969-09-26 1973-05-16 Dowty Mining Equipment Ltd Flexible shield for use with mining apparatus
DE1952893C3 (de) * 1969-10-21 1975-01-02 Krampe & Co, Fertigung In Bergbaubedarf Gmbh, 4320 Hattingen Faltwand für den Versatz an schreitendem Strebausbau
GB1456993A (en) * 1973-04-27 1976-12-01 Coal Industry Patents Ltd Mine roof support shield assembly
US4067618A (en) * 1976-09-24 1978-01-10 Taiheiyo Engineering Inc. Apparatus for protecting of coal mine workers

Also Published As

Publication number Publication date
DE2752650C2 (de) 1985-02-21
PL211202A1 (pl) 1979-09-10
FR2410125A1 (fr) 1979-06-22
DE2752650A1 (de) 1979-06-07
PL117943B1 (en) 1981-09-30
CS201019B2 (en) 1980-10-31

Similar Documents

Publication Publication Date Title
NZ188937A (en) Continuous mining machine roof support jacks anchor machine
GB1418075A (en) Self advancing support device for coal and ore extraction works
ES475381A1 (es) Perfeccionamientos en protecciones de vapor transitables ajustables automaticamente para entibaciones progresivas
GB1481155A (en) Mineral mining installations
GB1533981A (en) Mine roof support
GB985401A (en) Improvements in advanceable mine roof support assemblies
GB1456993A (en) Mine roof support shield assembly
GB1516637A (en) Mine roof supports
GB1218370A (en) Advancing mine roof support units for mine workings
ES8202093A1 (es) Entibacion de galeria para el sistema de sustentacion fuer- temente inclinado
GB1299216A (en) Improvements in or relating to advancing mine roof support units
OA06173A (fr) Procédé pour la pose des boulons de soutènement dans les galeries de mines et analogues.
GB2005753A (en) Mining machines
GB1251096A (es)
GB1091602A (en) Roof support suitable for use in mines
ES2062911A2 (es) Bastidor de entibacion, especialmente para su utilizacion en estratificacion inclinada.
GB1072893A (en) Apparatus for shoring up mining galleries
GB1316746A (en) Flexible shield for use with mining apparatus
GB1108187A (en) Improvements relating to coal-mining face installations and conveyors for installation therein
SU964162A1 (ru) Установка дл возведени тюбинговой крепи
DK149303C (da) Kontinuerligt arbejdende losseanlaeg for massegods med vertikalbom med vippeled
GB862393A (en) Roof support with goaf screen in mines
SU620615A1 (ru) Временна предохранительна крепь дл подготовительных выработок
SU114578A1 (ru) Сдвоенный бессекционный щит с передовой защитной крепью дл разработки мощных крутопадающих пластов гидромониторами
SU878949A1 (ru) Временна предохранительна крепь подготовительного забо

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990405