GB1437193A - Self-advancing roof support unit of the shield type - Google Patents

Self-advancing roof support unit of the shield type

Info

Publication number
GB1437193A
GB1437193A GB4337973A GB4337973A GB1437193A GB 1437193 A GB1437193 A GB 1437193A GB 4337973 A GB4337973 A GB 4337973A GB 4337973 A GB4337973 A GB 4337973A GB 1437193 A GB1437193 A GB 1437193A
Authority
GB
United Kingdom
Prior art keywords
sleeper
roof
shield
self
support unit
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
GB4337973A
Other languages
English (en)
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Publication of GB1437193A publication Critical patent/GB1437193A/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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
    • 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
    • E21D23/0427—Shield operating devices; Hinges therefor

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Tents Or Canopies (AREA)
GB4337973A 1972-09-22 1973-09-14 Self-advancing roof support unit of the shield type Expired GB1437193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2246745A DE2246745C2 (de) 1972-09-22 1972-09-22 Rückbare Schildausbaueinheit

Publications (1)

Publication Number Publication Date
GB1437193A true GB1437193A (en) 1976-05-26

Family

ID=5857174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4337973A Expired GB1437193A (en) 1972-09-22 1973-09-14 Self-advancing roof support unit of the shield type

Country Status (6)

Country Link
US (1) US3874178A (enrdf_load_stackoverflow)
BE (1) BE804720A (enrdf_load_stackoverflow)
DE (1) DE2246745C2 (enrdf_load_stackoverflow)
FR (1) FR2200436B3 (enrdf_load_stackoverflow)
GB (1) GB1437193A (enrdf_load_stackoverflow)
PL (1) PL87719B1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413538C2 (de) * 1974-03-21 1978-05-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbaugestell
DE2601341A1 (de) * 1976-01-15 1977-07-28 Kloeckner Werke Ag Ausbaueinheit fuer untertaegige strebbetriebe
DE2605068C3 (de) * 1976-02-10 1978-12-14 Thyssen Industrie Ag, 4300 Essen Kappen- und Bruchschildkonstruktion für ein Schildausbaugestell
DE2843857C2 (de) * 1978-10-07 1986-06-19 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Schildausbaugestell
DE3630579C2 (de) * 1986-09-09 1994-07-14 Westfalia Becorit Ind Tech Schildausbaugestell mit zwischen Liegendschwelle und Bruchschildlenkern lösbar angeordnetem Aufsatzstück
CN103590847A (zh) * 2013-10-31 2014-02-19 山东新煤机械装备股份有限公司 单立柱双推移液压支架及推移机构与推移方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2159535C3 (de) * 1971-12-01 1979-01-04 Thyssen Industrie Ag, 4300 Essen Schildausbaugestell

Also Published As

Publication number Publication date
DE2246745B1 (de) 1973-08-09
FR2200436B3 (enrdf_load_stackoverflow) 1976-08-20
FR2200436A1 (enrdf_load_stackoverflow) 1974-04-19
BE804720A (fr) 1974-01-02
US3874178A (en) 1975-04-01
DE2246745C2 (de) 1974-03-07
PL87719B1 (enrdf_load_stackoverflow) 1976-07-31

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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