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GB845302A - Improvements relating to mine roof supporting frames - Google Patents

Improvements relating to mine roof supporting frames

Info

Publication number
GB845302A
GB845302A GB1709157A GB1709157A GB845302A GB 845302 A GB845302 A GB 845302A GB 1709157 A GB1709157 A GB 1709157A GB 1709157 A GB1709157 A GB 1709157A GB 845302 A GB845302 A GB 845302A
Authority
GB
United Kingdom
Prior art keywords
prop
section
props
cantilever
mine 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
GB1709157A
Other languages
English (en)
Inventor
Peter Farr
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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
Priority to DED22387A priority Critical patent/DE1103269B/de
Application filed by Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB1709157A priority patent/GB845302A/en
Priority to DED28205A priority patent/DE1132070B/de
Publication of GB845302A publication Critical patent/GB845302A/en
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
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • 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
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
    • 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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

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)
  • Load-Engaging Elements For Cranes (AREA)
  • Punching Or Piercing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Vehicle Body Suspensions (AREA)
GB1709157A 1957-05-29 1957-05-29 Improvements relating to mine roof supporting frames Expired GB845302A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DED22387A DE1103269B (de) 1957-05-29 1956-02-23 Hydraulisch betaetigte Abstuetzvorrichtung des Hangenden
GB1709157A GB845302A (en) 1957-05-29 1957-05-29 Improvements relating to mine roof supporting frames
DED28205A DE1132070B (de) 1957-05-29 1958-05-29 Hydraulisch betaetigte Abstuetzvorrichtung fuer das Hangende

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1709157A GB845302A (en) 1957-05-29 1957-05-29 Improvements relating to mine roof supporting frames

Publications (1)

Publication Number Publication Date
GB845302A true GB845302A (en) 1960-08-17

Family

ID=10089098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1709157A Expired GB845302A (en) 1957-05-29 1957-05-29 Improvements relating to mine roof supporting frames

Country Status (2)

Country Link
DE (2) DE1103269B (de)
GB (1) GB845302A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218811A (en) * 1961-04-28 1965-11-23 Rheinstahl Gmbh Wanheim Composite cap for mine roof supports
US3270510A (en) * 1962-12-05 1966-09-06 Gullick Ltd Mine roof and like supports
US3320751A (en) * 1962-01-29 1967-05-23 Groetschel Karl Maria Support
US3347050A (en) * 1964-05-11 1967-10-17 Gewerk Eisenhuette Westfalia Traveling hydraulic mine roof propping apparatus
US3383867A (en) * 1965-01-15 1968-05-21 Gullick Ltd Mine roof supports
US3992888A (en) * 1975-04-15 1976-11-23 Bochumer Eisenhutte Heintzmann & Company Hydraulic pit prop

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164960B (de) * 1961-05-04 1964-03-12 Rheinstahl Gmbh Wanheim Wanderndes Ausbauelement
GB1004630A (en) * 1963-05-07 1965-09-15 Dobson Ltd W E & F Improvements relating to mine roof support and conveyor means
CN111441261B (zh) * 2020-04-01 2022-03-11 中铁十八局集团第五工程有限公司 超大吨位转体桥多点联合称重梁端起顶力自动补偿装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922583C (de) * 1942-12-13 1955-01-20 Gerhard Werner Verfahren und Vorrichtung zum Verlegen von Strebfoerdermitteln und/oder Strebausbauteilen
DE939623C (de) * 1948-10-02 1956-03-01 Wilhelm Reppel Aus Kappe und Stempel bestehender Grubenausbau
DE819233C (de) * 1948-10-02 1951-10-31 Gelsenkirchener Bergwerks Akti Gelenkverbindung, insbesondere fuer die Verbindungzweier Stahlkappen im Grubenbetrieb
BE509688A (de) * 1951-03-08
FR1043173A (fr) * 1951-08-22 1953-11-06 Appareil de soutènement pour mines
DE964944C (de) * 1954-01-22 1957-05-29 Bochumer Eisen Heintzmann Kappe, welche im Bereich zwischen oberer und unterer Gurtung an der von einem Stempel zu unterstuetzenden Stelle mit einem innerhalb der Kappe liegenden Federelement ausgeruestet ist

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218811A (en) * 1961-04-28 1965-11-23 Rheinstahl Gmbh Wanheim Composite cap for mine roof supports
US3320751A (en) * 1962-01-29 1967-05-23 Groetschel Karl Maria Support
US3270510A (en) * 1962-12-05 1966-09-06 Gullick Ltd Mine roof and like supports
US3347050A (en) * 1964-05-11 1967-10-17 Gewerk Eisenhuette Westfalia Traveling hydraulic mine roof propping apparatus
US3383867A (en) * 1965-01-15 1968-05-21 Gullick Ltd Mine roof supports
US3992888A (en) * 1975-04-15 1976-11-23 Bochumer Eisenhutte Heintzmann & Company Hydraulic pit prop

Also Published As

Publication number Publication date
DE1103269B (de) 1961-03-30
DE1132070B (de) 1962-06-28

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