DE2244911C3 - Schildausbaugestell - Google Patents

Schildausbaugestell

Info

Publication number
DE2244911C3
DE2244911C3 DE19722244911 DE2244911A DE2244911C3 DE 2244911 C3 DE2244911 C3 DE 2244911C3 DE 19722244911 DE19722244911 DE 19722244911 DE 2244911 A DE2244911 A DE 2244911A DE 2244911 C3 DE2244911 C3 DE 2244911C3
Authority
DE
Germany
Prior art keywords
shield
support frame
shield support
cap
hanging
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
DE19722244911
Other languages
German (de)
English (en)
Other versions
DE2244911A1 (de
DE2244911B2 (de
Inventor
Dipl.-Ing. Dr. Ferenc Martos
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.)
Orszagos Banyagepgyarto Vallalat
Original Assignee
Orszagos Banyagepgyarto Vallalat
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 Orszagos Banyagepgyarto Vallalat filed Critical Orszagos Banyagepgyarto Vallalat
Publication of DE2244911A1 publication Critical patent/DE2244911A1/de
Publication of DE2244911B2 publication Critical patent/DE2244911B2/de
Application granted granted Critical
Publication of DE2244911C3 publication Critical patent/DE2244911C3/de
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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/063—Retractable cantilever extensions therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
DE19722244911 1971-09-28 1972-09-13 Schildausbaugestell Expired DE2244911C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA002649 HU176912B (hu) 1971-09-28 1971-09-28 Peredvizhnoj mekhanizm kreplenija hhita

Publications (3)

Publication Number Publication Date
DE2244911A1 DE2244911A1 (de) 1973-04-05
DE2244911B2 DE2244911B2 (de) 1980-10-02
DE2244911C3 true DE2244911C3 (de) 1981-08-20

Family

ID=10993334

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19722244911 Expired DE2244911C3 (de) 1971-09-28 1972-09-13 Schildausbaugestell
DE19727233741 Expired DE7233741U (de) 1971-09-28 1972-09-13 Verrueckbare schildausbaueinheiten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19727233741 Expired DE7233741U (de) 1971-09-28 1972-09-13 Verrueckbare schildausbaueinheiten

Country Status (11)

Country Link
JP (1) JPS565920B2 (enrdf_load_stackoverflow)
AT (1) AT320565B (enrdf_load_stackoverflow)
BE (1) BE789315A (enrdf_load_stackoverflow)
CS (1) CS157005B2 (enrdf_load_stackoverflow)
DE (2) DE2244911C3 (enrdf_load_stackoverflow)
ES (1) ES407051A1 (enrdf_load_stackoverflow)
GB (1) GB1381198A (enrdf_load_stackoverflow)
HU (1) HU176912B (enrdf_load_stackoverflow)
PL (1) PL78410B1 (enrdf_load_stackoverflow)
RO (1) RO60607A (enrdf_load_stackoverflow)
YU (1) YU35181B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833532B2 (ja) * 1975-02-26 1983-07-20 キヤノン株式会社 ダイコウケイズ−ムレンズ
DE2634014C3 (de) * 1976-07-29 1981-03-26 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Schildausbaugestell
JPS53131852A (en) * 1977-04-22 1978-11-17 Nippon Chemical Ind Tele zoom lens
JPS60419A (ja) * 1984-04-20 1985-01-05 Nippon Kogaku Kk <Nikon> 望遠ズ−ムレンズ
JPH0629907B2 (ja) * 1985-08-22 1994-04-20 キヤノン株式会社 大口径比のズ−ムレンズ
CN101943016A (zh) * 2010-08-17 2011-01-12 天地科技股份有限公司 极薄煤层新型掩护式综采液压支架
CN104858007B (zh) * 2015-06-04 2017-08-18 中煤张家口煤矿机械有限责任公司 综采工作面输送卸载区电直驱齿辊式连续破碎装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257722B (de) * 1966-02-16 1968-01-04 Hansjoachim Von Hippel Dr Ing Unter Last rueckbarer Stempelausbau
FR1503990A (fr) * 1966-10-11 1967-12-01 Bennes Marrel Perfectionnements aux piles de soutènement, notamment pour les mines ou pour les chantiers souterrains

Also Published As

Publication number Publication date
PL78410B1 (en) 1975-06-30
DE2244911A1 (de) 1973-04-05
JPS565920B2 (enrdf_load_stackoverflow) 1981-02-07
DE7233741U (de) 1982-07-15
JPS4841902A (enrdf_load_stackoverflow) 1973-06-19
BE789315A (fr) 1973-01-15
ES407051A1 (es) 1975-11-16
YU244872A (en) 1979-12-31
GB1381198A (en) 1975-01-22
RO60607A (enrdf_load_stackoverflow) 1976-10-15
YU35181B (en) 1980-09-25
CS157005B2 (enrdf_load_stackoverflow) 1974-08-23
HU176912B (hu) 1981-06-28
DE2244911B2 (de) 1980-10-02
AT320565B (de) 1975-02-25

Similar Documents

Publication Publication Date Title
DE1219892B (de) Steuerung eines Kohlenhobels
DE2363832C3 (de) Schildausbaugestell
DE2244911C3 (de) Schildausbaugestell
DE2457867C2 (de) Vorpfändeinrichtung für Strebausbaugestelle
DE1937308A1 (de) Insbesondere mit einem Versatzschild versehenes wanderndes Ausbauelement fuer Bergbau-Untertagebetriebe
DE2732339A1 (de) Ausbau fuer untertaegige gewinnungsbetriebe
DE1236451B (de) Zwischen zwei benachbarte Ausbaueinheiten einsetzbares Leitorgan
DE2721381A1 (de) Vorrichtung zur stabilisierung einer hydraulischen ausbaueinheit
DE3734642C2 (enrdf_load_stackoverflow)
DE2147803A1 (enrdf_load_stackoverflow)
DE1143771B (de) Wandernder hydraulischer Strebausbau fuer die steile Lagerung bei schwebendem Verhieb
DE2158160A1 (de) Kappenkonstruktion für ein Grubenausbauelement
DE3019697C2 (de) Vorpfändeinrichtung für hydraulische Schreitausbaugestelle
DE1483936C2 (de) Grubenausbaurahmen bzw. Ausbaubock, insbesondere für mechanische Abbaubetriebe
DE2306806C3 (de) An einem Strebausbaugestell angeordnete Vorrichtung zum Abstützen des Kohlenstoßes
DE2365983B2 (de) Schildausbaugestell
DE2123544A1 (de) Wandernder Strebausbau mit nebeneinander angeordneten Ausbauschilden
DE973605C (de) Grubenausbau
DE1069100B (enrdf_load_stackoverflow)
DE3625826C2 (enrdf_load_stackoverflow)
DE2124244B2 (de) Kappenzug für den wandernden Strebausbau
DE2406044C2 (de) Schildausba ugestell
DE1758939B1 (de) Wanderndes hydraulisches Ausbaugestell fuer untertaegige Grubengetriebe
DE2303713A1 (de) Mehrteiliger kappenzug mit vorpfaendvorrichtung fuer wandernde ausbaueinheiten
DE3319313A1 (de) Vorpfaendeinrichtung fuer hydraulische schreitausbaugestelle

Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee