GB1276712A - Self-advancing roof-supporting assemblies for use in underground workings - Google Patents

Self-advancing roof-supporting assemblies for use in underground workings

Info

Publication number
GB1276712A
GB1276712A GB51100/69A GB5110069A GB1276712A GB 1276712 A GB1276712 A GB 1276712A GB 51100/69 A GB51100/69 A GB 51100/69A GB 5110069 A GB5110069 A GB 5110069A GB 1276712 A GB1276712 A GB 1276712A
Authority
GB
United Kingdom
Prior art keywords
advancing
articulated
self
ram
supporting assemblies
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
GB51100/69A
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.)
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Hermann Hemscheidit Maschinenfabrik GmbH and Co
Original Assignee
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Hermann Hemscheidit Maschinenfabrik GmbH and 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 Hemscheidt Hermann Maschinenfabrik GmbH and Co, Hermann Hemscheidit Maschinenfabrik GmbH and Co filed Critical Hemscheidt Hermann Maschinenfabrik GmbH and Co
Publication of GB1276712A publication Critical patent/GB1276712A/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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0418—Positioning devices and stabilizing means for the props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manipulator (AREA)
  • Tents Or Canopies (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

1276712 Advancing mine roof supports HERMANN HEMSCHEIDT MASCHINENFABRIK 17 Oct 1969 [23 Oct 1968] 51100/69 Heading E1P An advancing mine roof support assembly, comprising two frames 3, 5 and 4, 6 adapted to be advanced in parallel by a ram secured to the floor bars thereof, is provided with an upper advancing ram connected to one frame 4, 6 by two aligning cylinders and to the other frame 3, 5 by a plate 12. The aligning cylinders are disposed within tubes 16, 17 articulated to sleeves 20, 21 which are mounted on a bar 22 articulated to the prop 4, 6 as shown. The plate 12 is provided with eyelets 13, 14 rotatably receiving a bar 15 in turn articulated to the props 3, 5. The upper advancing ram is protected by inner and outer sliding tubes, the outer tube 10 being secured to the tube 16 by a strut 24.
GB51100/69A 1968-10-23 1969-10-17 Self-advancing roof-supporting assemblies for use in underground workings Expired GB1276712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681804611 DE1804611B1 (en) 1968-10-23 1968-10-23 Suspension of a compensation device for hydraulic expansion braces

Publications (1)

Publication Number Publication Date
GB1276712A true GB1276712A (en) 1972-06-07

Family

ID=5711248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51100/69A Expired GB1276712A (en) 1968-10-23 1969-10-17 Self-advancing roof-supporting assemblies for use in underground workings

Country Status (5)

Country Link
US (1) US3561221A (en)
BE (1) BE738908A (en)
DE (1) DE1804611B1 (en)
FR (1) FR2021333A1 (en)
GB (1) GB1276712A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108222993A (en) * 2018-03-15 2018-06-29 邹城兖矿泰德工贸有限公司 Horizontal shaft type vehicle-mounted temporary support device for development machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126821B (en) * 1961-07-19 1962-04-05 Hemscheidt Maschf Hermann Expansion team for steep storage
DE1242173B (en) * 1965-12-16 1967-06-15 Hemscheidt Maschf Hermann Expansion team

Also Published As

Publication number Publication date
US3561221A (en) 1971-02-09
DE1804611B1 (en) 1970-06-04
BE738908A (en) 1970-03-02
FR2021333A1 (en) 1970-07-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee