FR1268264A - Perfectionnements aux supports à avancement automatique pour toit de mine - Google Patents

Perfectionnements aux supports à avancement automatique pour toit de mine

Info

Publication number
FR1268264A
FR1268264A FR839475A FR839475A FR1268264A FR 1268264 A FR1268264 A FR 1268264A FR 839475 A FR839475 A FR 839475A FR 839475 A FR839475 A FR 839475A FR 1268264 A FR1268264 A FR 1268264A
Authority
FR
France
Prior art keywords
valve
ram
pressure
line
fluid
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
FR839475A
Other languages
English (en)
French (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
Priority to FR839475A priority Critical patent/FR1268264A/fr
Application granted granted Critical
Publication of FR1268264A publication Critical patent/FR1268264A/fr
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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Press Drives And Press Lines (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
FR839475A 1960-09-24 1960-09-24 Perfectionnements aux supports à avancement automatique pour toit de mine Expired FR1268264A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR839475A FR1268264A (fr) 1960-09-24 1960-09-24 Perfectionnements aux supports à avancement automatique pour toit de mine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR839475A FR1268264A (fr) 1960-09-24 1960-09-24 Perfectionnements aux supports à avancement automatique pour toit de mine
GB11932/64A GB1098628A (en) 1964-03-20 1964-03-20 Improvements in or relating to advancing roof supports

Publications (1)

Publication Number Publication Date
FR1268264A true FR1268264A (fr) 1961-07-28

Family

ID=9995302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839475A Expired FR1268264A (fr) 1960-09-24 1960-09-24 Perfectionnements aux supports à avancement automatique pour toit de mine

Country Status (5)

Country Link
US (1) US3313211A (US06566495-20030520-M00011.png)
DE (2) DE1205034B (US06566495-20030520-M00011.png)
FR (1) FR1268264A (US06566495-20030520-M00011.png)
GB (2) GB967163A (US06566495-20030520-M00011.png)
NL (2) NL6503406A (US06566495-20030520-M00011.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110333017A (zh) * 2019-07-29 2019-10-15 宿州市金鼎安全技术股份有限公司 一种基于光纤光栅传感器的煤矿巷道顶板应力监测装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1458672B1 (de) * 1951-01-28 1970-02-26 Becorit Grubenausbau Gmbh Steuerung für einen wandernden hydraulischen Strebausbau
DE2901054A1 (de) * 1979-01-12 1980-07-17 Salzgitter Maschinen Ag Vorlaeufiger streckenausbau fuer durchbaubetriebe in strecken des untertaegigen bergbaus
GB2116618B (en) * 1982-03-06 1985-11-20 Dowty Mining Equipment Ltd Mine roof supports
DE202010001750U1 (de) 2010-02-02 2010-06-10 Karl Hamacher Gmbh Untertägige Medienversorgungsanordnung
CN110778346B (zh) * 2019-11-15 2020-07-03 西部黄金伊犁有限责任公司 一种用于发生矿井冒顶时的保护装置
CN111878140A (zh) * 2020-06-05 2020-11-03 范文 一种薄煤层开采用液压支架

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069548B (US06566495-20030520-M00011.png) * 1959-11-26
US1994974A (en) * 1930-06-21 1935-03-19 Oilgear Co Differential resistance valve
US2714505A (en) * 1948-05-01 1955-08-02 Joy Mfg Co Apparatus for mine roof control
US2657028A (en) * 1949-06-15 1953-10-27 Joy Mfg Co Walking jack
GB735294A (en) * 1952-03-04 1955-08-17 Bolton & Company Engineers Ltd Improvements relating to fluid-operated roof-supporting units for use in mines and like places
GB742850A (en) * 1952-12-06 1956-01-04 Hydrauliques Pour L Ind Minier Improved device for supporting the roofs of mine galleries
GB745679A (en) * 1953-07-08 1956-02-29 Dowty Auto Units Ltd Improvements in mine roof supports
AT184539B (de) * 1954-04-12 1956-01-25 Kloeckner Bergbau Victor Icker Wandernder Ausbau mit durch ein Druckmittel betätigten Ausbaugespannen
GB823128A (en) * 1955-02-23 1959-11-04 Dowty Mining Equipment Ltd Improvements in and relating to mine roof support systems
US2859022A (en) * 1955-04-04 1958-11-04 Dowty Mining Equipment Ltd Hydraulic roof supports and conveyor feed jacks
FR1153880A (fr) * 1955-04-04 1958-03-28 Dowty Mining Equipment Ltd Installation et appareil de soutènement hydraulique pour mines
FR1148920A (fr) * 1956-03-21 1957-12-18 Commande automatique de mise en marche d'un ou d'étançons automoteurs
FR1184882A (fr) * 1956-10-19 1959-07-27 Eisenwerk Wanheim Gmbh Soutènement mécanisé à étançons hydrauliques groupés par groupes doubles
FR1190532A (fr) * 1957-07-05 1959-10-13 Dobson Ltd W E & F Perfectionnements apportés aux supports de plafonds pour mines souterraines
FR1201174A (fr) * 1957-08-10 1959-12-29 Gewerk Eisenhuette Westfalia Procédé et dispositif pour la commande d'un soutènement hydraulique, utilisable notamment dans les mines
DE1131626B (de) * 1958-04-14 1962-06-20 Kloeckner Werke Ag Verfahren und Vorrichtung zur Steuerung des Raub- und Setzvorganges von hydraulischen Strebausbaurahmen
US2989950A (en) * 1958-06-04 1961-06-27 Lockman Nathan Pneumatic control device
FR1271386A (fr) * 1959-10-12 1961-09-08 Coal Industry Patents Ltd Supports du toit des galeries de mines
FR1337134A (fr) * 1961-10-30 1963-09-06 Dowty Mining Equipment Ltd Perfectionnements aux supports de toit de mine
GB991009A (en) * 1962-06-07 1965-05-05 Dowty Mining Equipment Ltd Mining apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110333017A (zh) * 2019-07-29 2019-10-15 宿州市金鼎安全技术股份有限公司 一种基于光纤光栅传感器的煤矿巷道顶板应力监测装置
CN110333017B (zh) * 2019-07-29 2020-12-01 宿州市金鼎安全技术股份有限公司 一种基于光纤光栅传感器的煤矿巷道顶板应力监测装置

Also Published As

Publication number Publication date
US3313211A (en) 1967-04-11
GB1098628A (en) 1968-01-10
DE1292605B (de) 1969-04-17
DE1292605C2 (de) 1973-05-17
NL6503406A (US06566495-20030520-M00011.png) 1965-09-21
DE1205034B (de) 1965-11-18
NL256189A (US06566495-20030520-M00011.png)
GB967163A (en) 1964-08-19

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