ES464786A1 - Carro o trineo para el desplazamiento de un aparato, tal co-mo un puntal de entibacion. - Google Patents

Carro o trineo para el desplazamiento de un aparato, tal co-mo un puntal de entibacion.

Info

Publication number
ES464786A1
ES464786A1 ES464786A ES464786A ES464786A1 ES 464786 A1 ES464786 A1 ES 464786A1 ES 464786 A ES464786 A ES 464786A ES 464786 A ES464786 A ES 464786A ES 464786 A1 ES464786 A1 ES 464786A1
Authority
ES
Spain
Prior art keywords
arm
cross members
articulated
roof support
roof
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
ES464786A
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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
Priority claimed from FR7636769A external-priority patent/FR2373669A2/fr
Application filed by Charbonnages de France CDF filed Critical Charbonnages de France CDF
Publication of ES464786A1 publication Critical patent/ES464786A1/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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
    • 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
    • E21D23/0017—Pile type 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)
  • Tents Or Canopies (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

Carro o trineo para la el desplazamiento de un aparatotal como un puntal de entibaciónconstituido por una viga con extremidades redondeadas directamente rodeadas por una oruga guiada por frotamiento en un camino de guiado formado en la parte recta y en las extremidades de reenvío de la vigaestando la oruga guiada sin holgura sobre las extremidades redondeadas de reenvíocaracterizado porque el camino de guiado incluyeen la parte recta de la vigauna holgura lateral (5).
ES464786A 1976-12-07 1977-12-06 Carro o trineo para el desplazamiento de un aparato, tal co-mo un puntal de entibacion. Expired ES464786A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7636769A FR2373669A2 (fr) 1976-06-29 1976-12-07 Pile mobile de soutenement continu

Publications (1)

Publication Number Publication Date
ES464786A1 true ES464786A1 (es) 1978-11-16

Family

ID=9180737

Family Applications (2)

Application Number Title Priority Date Filing Date
ES464787A Expired ES464787A1 (es) 1976-12-07 1977-12-06 Puntal movil de entibacion continua.
ES464786A Expired ES464786A1 (es) 1976-12-07 1977-12-06 Carro o trineo para el desplazamiento de un aparato, tal co-mo un puntal de entibacion.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES464787A Expired ES464787A1 (es) 1976-12-07 1977-12-06 Puntal movil de entibacion continua.

Country Status (12)

Country Link
US (1) US4114385A (es)
JP (1) JPS5387524A (es)
AT (1) AT356044B (es)
AU (1) AU512807B2 (es)
BE (1) BE861469A (es)
CA (1) CA1077730A (es)
DE (1) DE2753059C2 (es)
ES (2) ES464787A1 (es)
GB (1) GB1572534A (es)
PL (1) PL110238B1 (es)
YU (1) YU287577A (es)
ZA (1) ZA777090B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461094A1 (fr) * 1979-07-06 1981-01-30 Charbonnages De France Portique de soutenement glissant
DE3543060C1 (de) * 1985-12-05 1987-02-05 Hemscheidt Maschf Hermann Fahrbarer Unterstuetzungsaufbau
US9631491B2 (en) * 2007-12-17 2017-04-25 Hilary Leith Lumb Apparatus for forming an underground tunnel
CN104948182B (zh) * 2014-03-26 2018-01-16 沈阳开川科技有限公司 一种掘进机上的滑移式行走支护机构
CN111622525B (zh) * 2020-05-26 2022-02-01 中铁大桥科学研究院有限公司 一种薄壁高耸空心塔柱文物移位归安保护方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899800A (en) * 1959-08-18 Apparatus for mine roof control
US2826898A (en) * 1948-10-06 1958-03-18 Joy Mfg Co Apparatus for mine roof control
DE1030282B (de) * 1954-03-04 1958-05-22 Eisengiesserei A Beien Rahmenartiges Ausbauglied, insbesondere fuer den Strebausbau
DE1139084B (de) * 1960-07-13 1962-11-08 Maschf Fahrbares, rahmenartiges Strebausbauglied
FR2265971A1 (en) * 1974-03-28 1975-10-24 Bennes Marrel Hydraulic prop for mine working - has arm between flexible base and head plate vertically adjusted by hydraulic cylinders
FR2287580A1 (fr) * 1974-10-11 1976-05-07 Bennes Marrel Pile a fleche pour le soutenement, avec chapeau en porte a faux
DE2633799C2 (de) 1976-07-28 1978-07-27 Halbach & Braun, 5600 Wuppertal Schreitender Schildausbau

Also Published As

Publication number Publication date
US4114385A (en) 1978-09-19
YU287577A (en) 1982-06-30
PL110238B1 (en) 1980-07-31
ZA777090B (en) 1978-09-27
DE2753059A1 (de) 1978-06-08
GB1572534A (en) 1980-07-30
AU512807B2 (en) 1980-10-30
AU3127177A (en) 1979-06-14
JPS5387524A (en) 1978-08-02
ES464787A1 (es) 1978-09-01
CA1077730A (fr) 1980-05-20
BE861469A (fr) 1978-06-02
DE2753059C2 (de) 1986-06-19
ATA861577A (de) 1979-09-15
AT356044B (de) 1980-04-10
PL202677A1 (pl) 1978-07-31

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