ZA756594B - Roof-support unit of the caving shield type - Google Patents

Roof-support unit of the caving shield type

Info

Publication number
ZA756594B
ZA756594B ZA00756594A ZA756594A ZA756594B ZA 756594 B ZA756594 B ZA 756594B ZA 00756594 A ZA00756594 A ZA 00756594A ZA 756594 A ZA756594 A ZA 756594A ZA 756594 B ZA756594 B ZA 756594B
Authority
ZA
South Africa
Prior art keywords
roof
support unit
shield type
caving shield
caving
Prior art date
Application number
ZA00756594A
Other languages
English (en)
Inventor
G Blumenthal
Original Assignee
Bochumer Eisenhuetter Heintzma
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 Eisenhuetter Heintzma filed Critical Bochumer Eisenhuetter Heintzma
Publication of ZA756594B publication Critical patent/ZA756594B/xx

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)
ZA00756594A 1974-11-09 1975-10-20 Roof-support unit of the caving shield type ZA756594B (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
ZA756594B true ZA756594B (en) 1976-09-29

Family

ID=5930459

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00756594A ZA756594B (en) 1974-11-09 1975-10-20 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=)

Families Citing this family (5)

* 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
CN113833509B (zh) * 2021-10-14 2024-10-22 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
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

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

Also Published As

Publication number Publication date
PL105755B1 (pl) 1979-10-31
FR2290567B1 (https=) 1982-10-01
DE2453257B2 (de) 1976-08-26
GB1519866A (en) 1978-08-02
DE2453257A1 (de) 1976-05-13
FR2290567A1 (fr) 1976-06-04
US3961487A (en) 1976-06-08

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