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
Czech (cs)
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/en

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 (en) 1975-06-07 1975-06-07 DEVICE FOR POWER SUPPLY AND RABBING OF HYDRAULIC STANDS

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 (en)
DE (1) DE2625299C3 (en)
GB (1) GB1553693A (en)
PL (1) PL100937B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723634C2 (en) * 1987-07-17 1995-12-21 Heinz Lewin Fa Setting device for filling and emptying individual hydraulic rams in underground mining and tunnel construction
DE3935188A1 (en) * 1989-10-23 1991-05-02 Joern Dams Maschf Hydraulic pit prop setting pistol - incorporates valve controlling prop retraction and also controls return flow of hydraulic fluid to tank
DE4323462C2 (en) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Removal stamp for underground use with integrated pressure relief valve

Also Published As

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

Similar Documents

Publication Publication Date Title
JPS5273267A (en) Clamping device
JPS5233391A (en) Surgical clamping device
JPS54100039A (en) Clamping device
GB2004813B (en) Quick-acting clamping device
JPS528256A (en) Hydraulic clamping device
ZA766372B (en) Pressure release device
JPS5284355A (en) Hydraulic clamping element
JPS51146301A (en) Method and device for excavation
JPS5496900A (en) Hydraulic force system clamping device
JPS51132556A (en) Device for clamping bicycle
GB2016313B (en) Clamping device
GB2003409B (en) Clamping device
CS183841B2 (en) Clamping and releasing device for hydraulic prop
GB2003222B (en) Clamping device
FR2321362A1 (en) HYDRAULIC CLAMPING DEVICE
JPS5219400A (en) Clamp device
CS252801B2 (en) Hydraulic prop
GB1519532A (en) Clamping device
JPS5255157A (en) Crane device
JPS5266147A (en) Clamping jaw in fastening device
JPS527331A (en) Device for automatically receiving and arranging ingots
JPS5499300A (en) Clamping device
JPS5236253A (en) Device locked by clamping
GB1553615A (en) Rope clamping device
JPS51141439A (en) Concrete form clamping device