CS183841B2 - Clamping and releasing device for hydraulic prop - Google Patents

Clamping and releasing device for hydraulic prop

Info

Publication number
CS183841B2
CS183841B2 CS374176A CS374176A CS183841B2 CS 183841 B2 CS183841 B2 CS 183841B2 CS 374176 A CS374176 A CS 374176A CS 374176 A CS374176 A CS 374176A CS 183841 B2 CS183841 B2 CS 183841B2
Authority
CS
Czechoslovakia
Prior art keywords
clamping
releasing device
hydraulic prop
prop
hydraulic
Prior art date
Application number
CS374176A
Other languages
English (en)
Inventor
Kazimierz Kotwica
Jan Domiczek
Antoni Ginalski
Stanislaw Zimowski
Jozef Ferus
Anzelm Gosciminski
Jerzy Moskal
Czeslaw Wolski
Bogumil Brzozowski
Original Assignee
Maszyn Wiertniczych I Gorniczy
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 Maszyn Wiertniczych I Gorniczy filed Critical Maszyn Wiertniczych I Gorniczy
Publication of CS183841B2 publication Critical patent/CS183841B2/cs

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/60—Devices for withdrawing props or chocks
    • E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Portable Nailing Machines And Staplers (AREA)
CS374176A 1975-06-07 1976-06-07 Clamping and releasing device for hydraulic prop CS183841B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL18104675A PL100937B1 (pl) 1975-06-07 1975-06-07 Przyrzad do zasilania i rabowania stojakow hydraulicznych

Publications (1)

Publication Number Publication Date
CS183841B2 true CS183841B2 (en) 1978-07-31

Family

ID=19972446

Family Applications (1)

Application Number Title Priority Date Filing Date
CS374176A CS183841B2 (en) 1975-06-07 1976-06-07 Clamping and releasing device for hydraulic prop

Country Status (4)

Country Link
CS (1) CS183841B2 (cs)
DE (1) DE2625299C3 (cs)
GB (1) GB1553693A (cs)
PL (1) PL100937B1 (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723634C2 (de) * 1987-07-17 1995-12-21 Heinz Lewin Fa Setzeinrichtung zum Befüllen und Entleeren von hydraulischen Einzelstempeln im untertägigen Berg- und Tunnelbau
DE3935188A1 (de) * 1989-10-23 1991-05-02 Joern Dams Maschf Setzpistole zur hydraulischen entsperrung eines sperrventils zum rauben innerhalb eines einzelstempelventils
DE4323462C2 (de) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil

Also Published As

Publication number Publication date
DE2625299A1 (de) 1976-12-23
DE2625299B2 (de) 1979-11-22
PL100937B1 (pl) 1978-11-30
DE2625299C3 (de) 1980-07-24
GB1553693A (en) 1979-09-26

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