FR2383808A1 - Dispositif de verrouillage d'une machine d'abattage de minerai sur son rail - Google Patents

Dispositif de verrouillage d'une machine d'abattage de minerai sur son rail

Info

Publication number
FR2383808A1
FR2383808A1 FR7807342A FR7807342A FR2383808A1 FR 2383808 A1 FR2383808 A1 FR 2383808A1 FR 7807342 A FR7807342 A FR 7807342A FR 7807342 A FR7807342 A FR 7807342A FR 2383808 A1 FR2383808 A1 FR 2383808A1
Authority
FR
France
Prior art keywords
rail
locking device
milling machine
ore milling
ore
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.)
Granted
Application number
FR7807342A
Other languages
English (en)
Other versions
FR2383808B1 (fr
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Publication of FR2383808A1 publication Critical patent/FR2383808A1/fr
Application granted granted Critical
Publication of FR2383808B1 publication Critical patent/FR2383808B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/02—Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Transmission Devices (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

L'invention concerne un dispositif de verrouillage d'une machine d'abattage de minerai sur son raiL Ledit dispositif, qui fait partie d'un système de traction sans chaîne comprenant un vérin d'entraînement et des trous espacés dans un rail, comporte une butée articulée et un vérin de blocage à double effet pouvant fonctionner indépendamment du vérin d'entraînement et pouvant déplacer la butée pour l'engager dans les trous consécutifs du rail et la dégager de ces derniers. Application au système de traction d'une haveuse.
FR7807342A 1977-03-15 1978-03-14 Dispositif de verrouillage d'une machine d'abattage de minerai sur son rail Granted FR2383808A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10836/77A GB1579484A (en) 1977-03-15 1977-03-15 Engagement devices

Publications (2)

Publication Number Publication Date
FR2383808A1 true FR2383808A1 (fr) 1978-10-13
FR2383808B1 FR2383808B1 (fr) 1984-09-14

Family

ID=9975221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7807342A Granted FR2383808A1 (fr) 1977-03-15 1978-03-14 Dispositif de verrouillage d'une machine d'abattage de minerai sur son rail

Country Status (4)

Country Link
US (1) US4234163A (fr)
DE (1) DE2810214A1 (fr)
FR (1) FR2383808A1 (fr)
GB (1) GB1579484A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605355A1 (fr) * 1986-10-16 1988-04-22 Gp Konstruk Systeme de halage par action sur un ensemble de guidage fixe pour machine d'abattage de charbon

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496074B1 (fr) * 1980-12-16 1985-08-16 Laplante Gilbert Installation motrice a verins pour produire le deplacement continu d'un objet oblong dans la direction de son axe, et/ou pour mouvoir un element le long dudit objet
US4478389A (en) * 1981-12-17 1984-10-23 Mcdermott Incorporated Jacking apparatus adjustable for alignment variations
US4961562A (en) * 1988-11-16 1990-10-09 Donnally Robert B Apparatus for engaging beams
US8974771B2 (en) * 2010-03-09 2015-03-10 Penn-Century, Inc. Apparatus and method for aerosol delivery to the lungs or other locations of the body
PL233958B1 (pl) * 2010-07-09 2019-12-31 Joy Mm Delaware Inc System do wybierania materiału do kopalni podziemnej

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956873A (fr) * 1950-02-09
FR1548671A (fr) * 1967-10-27 1968-12-06
US3559954A (en) * 1969-01-15 1971-02-02 Hydranautics Hydraulic gripper and moving jack
FR2169408A1 (fr) * 1972-01-27 1973-09-07 Mitsui Shipbuilding Eng
FR2199054A1 (fr) * 1972-09-11 1974-04-05 Allied Steel Tractor Prod Inc
FR2215367A1 (fr) * 1973-01-26 1974-08-23 Mitsubishi Heavy Ind Ltd

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB901008A (en) * 1959-08-12 1962-07-11 Werkspoor Nv Improvements in and relating to drilling platforms
US3449910A (en) * 1966-04-14 1969-06-17 Tangyes Ltd Hydraulic force exerting apparatus
US3435621A (en) * 1966-07-26 1969-04-01 American Mach & Foundry Jacking system for offshore platforms
US3635440A (en) * 1970-07-20 1972-01-18 Brammall Inc Force-exerting apparatus
US3832945A (en) * 1973-01-24 1974-09-03 Mitsubishi Heavy Ind Ltd Thrusting device
FR2266657B1 (fr) * 1974-04-08 1977-09-30 Charbonnages De France

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956873A (fr) * 1950-02-09
FR1548671A (fr) * 1967-10-27 1968-12-06
US3559954A (en) * 1969-01-15 1971-02-02 Hydranautics Hydraulic gripper and moving jack
FR2169408A1 (fr) * 1972-01-27 1973-09-07 Mitsui Shipbuilding Eng
FR2199054A1 (fr) * 1972-09-11 1974-04-05 Allied Steel Tractor Prod Inc
FR2215367A1 (fr) * 1973-01-26 1974-08-23 Mitsubishi Heavy Ind Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605355A1 (fr) * 1986-10-16 1988-04-22 Gp Konstruk Systeme de halage par action sur un ensemble de guidage fixe pour machine d'abattage de charbon

Also Published As

Publication number Publication date
GB1579484A (en) 1980-11-19
DE2810214A1 (de) 1978-09-28
FR2383808B1 (fr) 1984-09-14
US4234163A (en) 1980-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse