GB1344771A - Mobile roof support unit - Google Patents

Mobile roof support unit

Info

Publication number
GB1344771A
GB1344771A GB188372A GB188372A GB1344771A GB 1344771 A GB1344771 A GB 1344771A GB 188372 A GB188372 A GB 188372A GB 188372 A GB188372 A GB 188372A GB 1344771 A GB1344771 A GB 1344771A
Authority
GB
United Kingdom
Prior art keywords
roof support
jack
support unit
jan
purposes
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
GB188372A
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of GB1344771A publication Critical patent/GB1344771A/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
    • E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

1344771 Mobile mine roof support units STANDARD OIL CO 14 Jan 1972 [18 Jan 1971 1883/72 Heading E1P In. a mobile mine roof support unit comprising a frame equipped with at least one hydraulically operated roof support jack 2, at least two endless tracks 3 for advancement purposes and a self-contained hydraulic power supply, the jacks are provided with roof-and floor-engaging members 7, 8 respectively and are adapted to transmit substantially no force to the frame when in the operative position. The unit is said to lend itself to a form of room and pillar coal-mining operation and may be provided with a jack operated scraper 5, 6 to clear the roadway and a horizontal hydraulic jack for advance purposes.
GB188372A 1971-01-18 1972-01-14 Mobile roof support unit Expired GB1344771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10719871A 1971-01-18 1971-01-18

Publications (1)

Publication Number Publication Date
GB1344771A true GB1344771A (en) 1974-01-23

Family

ID=22315381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB188372A Expired GB1344771A (en) 1971-01-18 1972-01-14 Mobile roof support unit

Country Status (2)

Country Link
DE (1) DE2161291A1 (en)
GB (1) GB1344771A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109854289A (en) * 2019-03-26 2019-06-07 山东莱芜煤矿机械有限公司 A kind of underground coal mine is taken a step supporting and drilling anchor robot in the air
CN110118097A (en) * 2019-06-22 2019-08-13 山东科技大学 A kind of backpack full-mechanized roadway gib equipment and its application
CN111594247A (en) * 2020-06-09 2020-08-28 中国煤炭科工集团太原研究院有限公司 Roadway end supporting equipment and method for non-pillar mining along empty roadway
CN113236352A (en) * 2021-06-09 2021-08-10 淮南舜立机械有限责任公司 Crawler-type fixed pulling and moving device and pulling and moving method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3238256A1 (en) * 1982-10-15 1984-04-19 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen MOBILE EXTENSION TEAM, ESPECIALLY FOR USE IN PILLAR REMOVAL

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109854289A (en) * 2019-03-26 2019-06-07 山东莱芜煤矿机械有限公司 A kind of underground coal mine is taken a step supporting and drilling anchor robot in the air
CN109854289B (en) * 2019-03-26 2024-04-19 山东莱芜煤矿机械有限公司 Underground coal mine air stepping support and drilling and anchoring robot
CN110118097A (en) * 2019-06-22 2019-08-13 山东科技大学 A kind of backpack full-mechanized roadway gib equipment and its application
CN110118097B (en) * 2019-06-22 2024-04-19 山东科技大学 Backpack type fully-mechanized roadway temporary support equipment and application thereof
CN111594247A (en) * 2020-06-09 2020-08-28 中国煤炭科工集团太原研究院有限公司 Roadway end supporting equipment and method for non-pillar mining along empty roadway
CN113236352A (en) * 2021-06-09 2021-08-10 淮南舜立机械有限责任公司 Crawler-type fixed pulling and moving device and pulling and moving method
CN113236352B (en) * 2021-06-09 2024-05-10 淮南舜立机械有限责任公司 Crawler-type fixed pulling and moving device and pulling and moving method

Also Published As

Publication number Publication date
DE2161291A1 (en) 1972-08-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees