HUT43680A - Hydraulic working cylinder particularly hydraulic support used at mining - Google Patents

Hydraulic working cylinder particularly hydraulic support used at mining

Info

Publication number
HUT43680A
HUT43680A HU185486A HU185486A HUT43680A HU T43680 A HUT43680 A HU T43680A HU 185486 A HU185486 A HU 185486A HU 185486 A HU185486 A HU 185486A HU T43680 A HUT43680 A HU T43680A
Authority
HU
Hungary
Prior art keywords
hydraulic
mining
working cylinder
support used
cylinder particularly
Prior art date
Application number
HU185486A
Other languages
Hungarian (hu)
Other versions
HU195988B (en
Inventor
Jun Matyas Martinko
Csaba Czoma
Ferenc Pera
Jozsef Fenyoe
Original Assignee
Veszpremi 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
Application filed by Veszpremi Szenbanyak filed Critical Veszpremi Szenbanyak
Priority to HU185486A priority Critical patent/HU195988B/en
Priority to DE19873712635 priority patent/DE3712635A1/en
Priority to GB8709167A priority patent/GB2190963B/en
Publication of HUT43680A publication Critical patent/HUT43680A/en
Publication of HU195988B publication Critical patent/HU195988B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • F15B11/0365—Tandem constructions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1433—End caps
HU185486A 1986-05-05 1986-05-05 Hydraulic working cylinder particularly hydraulic support used at mining HU195988B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HU185486A HU195988B (en) 1986-05-05 1986-05-05 Hydraulic working cylinder particularly hydraulic support used at mining
DE19873712635 DE3712635A1 (en) 1986-05-05 1987-04-14 HYDRAULIC WORKING CYLINDER, ESPECIALLY IN STAMPS USED IN MINING
GB8709167A GB2190963B (en) 1986-05-05 1987-04-16 Hydraulic mining prop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU185486A HU195988B (en) 1986-05-05 1986-05-05 Hydraulic working cylinder particularly hydraulic support used at mining

Publications (2)

Publication Number Publication Date
HUT43680A true HUT43680A (en) 1987-11-30
HU195988B HU195988B (en) 1988-08-29

Family

ID=10956525

Family Applications (1)

Application Number Title Priority Date Filing Date
HU185486A HU195988B (en) 1986-05-05 1986-05-05 Hydraulic working cylinder particularly hydraulic support used at mining

Country Status (3)

Country Link
DE (1) DE3712635A1 (en)
GB (1) GB2190963B (en)
HU (1) HU195988B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU198980B (en) * 1988-01-08 1989-12-28 Veszpremi Szenbanyak Hydraulic working cylinder particularly hydraulic prop used in mining
CN101205810B (en) * 2007-12-13 2011-06-29 中煤北京煤矿机械有限责任公司 Mining hydraulic support self-boosting system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB893050A (en) * 1957-07-25 1962-04-04 Margot Von Linsingen Improvements in or relating to hydraulic pit props

Also Published As

Publication number Publication date
GB8709167D0 (en) 1987-05-20
DE3712635C2 (en) 1989-02-16
HU195988B (en) 1988-08-29
GB2190963B (en) 1989-10-18
GB2190963A (en) 1987-12-02
DE3712635A1 (en) 1987-11-12

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee