HU176912B - Peredvizhnoj mekhanizm kreplenija hhita - Google Patents

Peredvizhnoj mekhanizm kreplenija hhita Download PDF

Info

Publication number
HU176912B
HU176912B HUBA002649A HU176912B HU 176912 B HU176912 B HU 176912B HU BA002649 A HUBA002649 A HU BA002649A HU 176912 B HU176912 B HU 176912B
Authority
HU
Hungary
Prior art keywords
shield
roof
piston
cradle housing
cylinder structure
Prior art date
Application number
Other languages
English (en)
Hungarian (hu)
Inventor
Banyagepgyarto Vallal Orszagos
Matyas Martinko
Ferenc Martos
Karoly Hazai
Original Assignee
Banyaszati Kutato Intezet
Varpalotai Szenbanyak
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 to BE789315D priority Critical patent/BE789315A/xx
Application filed by Banyaszati Kutato Intezet, Varpalotai Szenbanyak filed Critical Banyaszati Kutato Intezet
Priority to HUBA002649 priority patent/HU176912B/hu
Priority to AT782972A priority patent/AT320565B/de
Priority to DE19722244911 priority patent/DE2244911C3/de
Priority to DE19727233741 priority patent/DE7233741U/de
Priority to CS651872A priority patent/CS157005B2/cs
Priority to YU244872A priority patent/YU35181B/xx
Priority to GB4453672A priority patent/GB1381198A/en
Priority to ES407051A priority patent/ES407051A1/es
Priority to RO7236272A priority patent/RO60607A/ro
Priority to PL15791872A priority patent/PL78410B1/pl
Priority to JP9758872A priority patent/JPS565920B2/ja
Publication of HU176912B publication Critical patent/HU176912B/hu

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)
HUBA002649 1971-09-28 1971-09-28 Peredvizhnoj mekhanizm kreplenija hhita HU176912B (hu)

Priority Applications (12)

Application Number Priority Date Filing Date Title
BE789315D BE789315A (fr) 1971-09-28 Unite de soutenement marchant
HUBA002649 HU176912B (hu) 1971-09-28 1971-09-28 Peredvizhnoj mekhanizm kreplenija hhita
AT782972A AT320565B (de) 1971-09-28 1972-09-12 Vorrückbare Schildausbaueinheit
DE19722244911 DE2244911C3 (de) 1971-09-28 1972-09-13 Schildausbaugestell
DE19727233741 DE7233741U (de) 1971-09-28 1972-09-13 Verrueckbare schildausbaueinheiten
CS651872A CS157005B2 (de) 1971-09-28 1972-09-26
YU244872A YU35181B (en) 1971-09-28 1972-09-27 Safety supporting aggregate
GB4453672A GB1381198A (en) 1971-09-28 1972-09-27 Advanceable shield support for mines
ES407051A ES407051A1 (es) 1971-09-28 1972-09-27 Unidad de entibacion de escudo susceptible de ser avanzada.
RO7236272A RO60607A (de) 1971-09-28 1972-09-28
PL15791872A PL78410B1 (en) 1971-09-28 1972-09-28 Stepping shield supporting device[hu176912b]
JP9758872A JPS565920B2 (de) 1971-09-28 1972-09-28

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 (1)

Publication Number Publication Date
HU176912B true HU176912B (hu) 1981-06-28

Family

ID=10993334

Family Applications (1)

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

Country Status (11)

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

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
YU244872A (en) 1979-12-31
DE2244911C3 (de) 1981-08-20
BE789315A (fr) 1973-01-15
GB1381198A (en) 1975-01-22
JPS565920B2 (de) 1981-02-07
ES407051A1 (es) 1975-11-16
DE2244911B2 (de) 1980-10-02
DE7233741U (de) 1982-07-15
RO60607A (de) 1976-10-15
JPS4841902A (de) 1973-06-19
DE2244911A1 (de) 1973-04-05
CS157005B2 (de) 1974-08-23
AT320565B (de) 1975-02-25
YU35181B (en) 1980-09-25
PL78410B1 (en) 1975-06-30

Similar Documents

Publication Publication Date Title
US3999805A (en) Articulated support
US3357742A (en) Mining arrangement including angularly displaceable guide means for a mining machine
HU176912B (hu) Peredvizhnoj mekhanizm kreplenija hhita
AT399202B (de) Einrichtung zum verspannen einer vortriebsmaschine in einer strecke
US3889475A (en) Mine roof supports
US4200338A (en) Mineral mining installation
US4302054A (en) Cutter unit assemblies for excavating machines and to excavating machines including cutter unit assemblies
US4309130A (en) Mine roof support
US4422807A (en) Mine roof supports
GB1599117A (en) Support systems for mineral mining installations
US3877234A (en) Advanceable shield support
US2756034A (en) Roof supporting jacks on a continuous miner
US3434292A (en) Mining support arrangement
US4101173A (en) Roof prop and platform movably mounted on boom of tunnelling machine
US3216202A (en) Roof supporting means for mines
US3459453A (en) Contour cutter for continuous miner
US3991579A (en) Self advancing support chocks
US3851480A (en) Mine roof support assemblies
US6428109B1 (en) Mining machine with sliding cutting tool assembly
US2580569A (en) Mining machine
DE19737936A1 (de) Abbaueinrichtung für den Untertagebergbau, insbesondere für die Kohlegewinnung in Strebbetrieben
US4303275A (en) Slideway means and excavating machines comprising slideway means
US2867427A (en) Disintegrating mechanism for longwall continuous miner
GB2131064A (en) A cutter positioner for the vertical adjustment of a coal cutter
US4119346A (en) Longwall mining system