GB1519866A - Roof-support unit of the caving shield type - Google Patents

Roof-support unit of the caving shield type

Info

Publication number
GB1519866A
GB1519866A GB42826/75A GB4282675A GB1519866A GB 1519866 A GB1519866 A GB 1519866A GB 42826/75 A GB42826/75 A GB 42826/75A GB 4282675 A GB4282675 A GB 4282675A GB 1519866 A GB1519866 A GB 1519866A
Authority
GB
United Kingdom
Prior art keywords
plates
shoe
floor
plate
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
GB42826/75A
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
Priority claimed from DE19742453257 external-priority patent/DE2453257C3/de
Application filed by Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Publication of GB1519866A publication Critical patent/GB1519866A/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
    • E21D23/0004—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
    • 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
    • E21D23/0436—Means for inclining the base member of the support

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Bridges Or Land Bridges (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Joining Of Building Structures In Genera (AREA)
GB42826/75A 1974-11-09 1975-10-17 Roof-support unit of the caving shield type Expired GB1519866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742453257 DE2453257C3 (de) 1974-11-09 Schildausbaugestell

Publications (1)

Publication Number Publication Date
GB1519866A true GB1519866A (en) 1978-08-02

Family

ID=5930459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42826/75A Expired GB1519866A (en) 1974-11-09 1975-10-17 Roof-support unit of the caving shield type

Country Status (5)

Country Link
US (1) US3961487A (https=)
FR (1) FR2290567A1 (https=)
GB (1) GB1519866A (https=)
PL (1) PL105755B1 (https=)
ZA (1) ZA756594B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113833509A (zh) * 2021-10-14 2021-12-24 中国煤炭科工集团太原研究院有限公司 履带式支护机器人
CN114352318A (zh) * 2022-01-07 2022-04-15 国家能源集团宁夏煤业有限责任公司 用于综放工作面回风巷超前支护的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800376A1 (de) * 1978-01-05 1979-07-19 Gewerk Eisenhuette Westfalia Liegendkufe fuer ein ausbaugestell einer untertaegigen mineralgewinnungsanlage
US5312206A (en) * 1991-11-25 1994-05-17 Long-Airdox Company High lift temporary roof support for mines
US5156497A (en) * 1991-11-25 1992-10-20 Simmons-Rand Company Temporary roof support for mines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277172B (de) * 1962-04-16 1968-09-12 Maschfab Eisengiesserei Beien Gewinnungs- und Foerdervorrichtung fuer den Kurzfrontabbau, insbesondere in Kohlenbergwerken
US3342034A (en) * 1963-06-21 1967-09-19 Dowty Mining Equipment Ltd Roof supports
DE1238867B (de) * 1965-09-01 1967-04-20 Hansjoachim Von Hippel Dr Ing Hydraulischer Stempelausbau
DE1224247B (de) * 1965-10-08 1966-09-08 Hoesch Bergbautechnik G M B H Schreitendes Ausbaugespann mit Stuetzfedern und Verbindungsfedern
DE1905615A1 (de) * 1969-02-05 1970-12-23 Konrad Grebe Steuerbare Fuehrungsschiene fuer eine Einrichtung zur mechanischen Gewinnung von Kohle und anderen floezartigen Mineralien im Langfrontabbau

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113833509A (zh) * 2021-10-14 2021-12-24 中国煤炭科工集团太原研究院有限公司 履带式支护机器人
CN114352318A (zh) * 2022-01-07 2022-04-15 国家能源集团宁夏煤业有限责任公司 用于综放工作面回风巷超前支护的方法
CN114352318B (zh) * 2022-01-07 2023-10-24 国家能源集团宁夏煤业有限责任公司 用于综放工作面回风巷超前支护的方法

Also Published As

Publication number Publication date
PL105755B1 (pl) 1979-10-31
FR2290567B1 (https=) 1982-10-01
DE2453257B2 (de) 1976-08-26
DE2453257A1 (de) 1976-05-13
FR2290567A1 (fr) 1976-06-04
ZA756594B (en) 1976-09-29
US3961487A (en) 1976-06-08

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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

Effective date: 19931017