DE3426179C2 - - Google Patents

Info

Publication number
DE3426179C2
DE3426179C2 DE19843426179 DE3426179A DE3426179C2 DE 3426179 C2 DE3426179 C2 DE 3426179C2 DE 19843426179 DE19843426179 DE 19843426179 DE 3426179 A DE3426179 A DE 3426179A DE 3426179 C2 DE3426179 C2 DE 3426179C2
Authority
DE
Germany
Prior art keywords
shield
cap
piston
joint
strut
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
DE19843426179
Other languages
German (de)
English (en)
Other versions
DE3426179A1 (de
Inventor
Rudolf Korbel
Stanislaw Romanowicz
Jan Pacha
Kornel Olender
Jozef Gleiwitz/Gliwice Pl Maciejczyk
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.)
CENTRUM MECHANIZACJI GORNICTWA "KOMAG" GLEIWITZ/GLIWICE PL
Original Assignee
CENTRUM MECHANIZACJI GORNICTWA "KOMAG" GLEIWITZ/GLIWICE PL
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 PL24306583A external-priority patent/PL139781B1/pl
Priority claimed from PL24449383A external-priority patent/PL139959B1/pl
Priority claimed from PL24453283A external-priority patent/PL140157B1/pl
Priority claimed from PL24563684A external-priority patent/PL142149B1/pl
Application filed by CENTRUM MECHANIZACJI GORNICTWA "KOMAG" GLEIWITZ/GLIWICE PL filed Critical CENTRUM MECHANIZACJI GORNICTWA "KOMAG" GLEIWITZ/GLIWICE PL
Publication of DE3426179A1 publication Critical patent/DE3426179A1/de
Application granted granted Critical
Publication of DE3426179C2 publication Critical patent/DE3426179C2/de
Granted 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
    • 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
    • E21D23/0043—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 two or more rows of struts parallel to the working face

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)
  • Earth Drilling (AREA)
  • Fluid-Damping Devices (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Actuator (AREA)
DE19843426179 1983-07-16 1984-07-16 Stuetzenschutzbergbauausbau Granted DE3426179A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PL24306583A PL139781B1 (en) 1983-07-16 1983-07-16 Shield-type roof supports
PL24449383A PL139959B1 (en) 1983-11-10 1983-11-10 Shield-type roof support
PL24453283A PL140157B1 (en) 1983-11-11 1983-11-11 Lemniscate type roof support
PL24563684A PL142149B1 (en) 1984-01-05 1984-01-05 Hydraulic system for shielded type roof supports

Publications (2)

Publication Number Publication Date
DE3426179A1 DE3426179A1 (de) 1985-01-31
DE3426179C2 true DE3426179C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-06-01

Family

ID=27484418

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19843426179 Granted DE3426179A1 (de) 1983-07-16 1984-07-16 Stuetzenschutzbergbauausbau
DE19843448126 Expired DE3448126C2 (en) 1983-07-16 1984-07-16 Shield-type support assembly for underground mining

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19843448126 Expired DE3448126C2 (en) 1983-07-16 1984-07-16 Shield-type support assembly for underground mining

Country Status (4)

Country Link
CS (1) CS543784A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3426179A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HU (1) HU190935B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
YU (1) YU122684A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019346421B2 (en) 2018-09-24 2025-08-21 Joy Global Underground Mining Llc Roof support including extendable links
CN117145550B (zh) * 2023-10-08 2025-06-10 西安科技大学 一种适用于大倾角煤层伪俯斜开采的液压支架

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507263C2 (de) * 1975-02-20 1984-09-13 Johannes 4300 Essen Winkler Schildausbau mit Stabilisierungseinrichtung
DE2605068C3 (de) * 1976-02-10 1978-12-14 Thyssen Industrie Ag, 4300 Essen Kappen- und Bruchschildkonstruktion für ein Schildausbaugestell
DE2721381C3 (de) * 1977-05-12 1986-03-27 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Vorrichtung zur Stabilisierung einer hydraulischen Ausbaueinheit
DE2750852B1 (de) 1977-11-14 1979-03-29 Hemscheidt Maschf Hermann Vorrichtung zum Stabilisieren der Hangendkappe eines hydraulischen Schreitausbaugestells
DE2743590A1 (de) * 1977-09-28 1979-04-05 Kloeckner Werke Ag Ausbaugestell
US4333694A (en) * 1980-11-18 1982-06-08 Textron Inc. Antifriction bearing with removable seal means
FR2540932B3 (fr) * 1983-02-16 1985-12-13 Bennes Marrel Pile de soutenement marchant, notamment pour les mines souterraines

Also Published As

Publication number Publication date
HUT37970A (en) 1986-03-28
DE3448126C2 (en) 1988-10-13
DE3426179A1 (de) 1985-01-31
CS543784A2 (en) 1991-07-16
YU122684A (en) 1988-06-30
HU190935B (en) 1986-12-28

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