DE1182183B - Hydropneumatischer Grubenstempel - Google Patents

Hydropneumatischer Grubenstempel

Info

Publication number
DE1182183B
DE1182183B DE1958F0027178 DEF0027178A DE1182183B DE 1182183 B DE1182183 B DE 1182183B DE 1958F0027178 DE1958F0027178 DE 1958F0027178 DE F0027178 A DEF0027178 A DE F0027178A DE 1182183 B DE1182183 B DE 1182183B
Authority
DE
Germany
Prior art keywords
valve
hydropneumatic
pit
robbery
rod
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.)
Pending
Application number
DE1958F0027178
Other languages
German (de)
English (en)
Inventor
Willem Johan Fransz
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.)
MIJ TOT EXPLOITATIE VAN HYDRAU
Original Assignee
MIJ TOT EXPLOITATIE VAN HYDRAU
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 MIJ TOT EXPLOITATIE VAN HYDRAU filed Critical MIJ TOT EXPLOITATIE VAN HYDRAU
Publication of DE1182183B publication Critical patent/DE1182183B/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Damping Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Braking Arrangements (AREA)
  • Manipulator (AREA)
DE1958F0027178 1958-11-24 1958-12-03 Hydropneumatischer Grubenstempel Pending DE1182183B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE453812 1958-11-24

Publications (1)

Publication Number Publication Date
DE1182183B true DE1182183B (de) 1964-11-26

Family

ID=47144160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1958F0027178 Pending DE1182183B (de) 1958-11-24 1958-12-03 Hydropneumatischer Grubenstempel

Country Status (4)

Country Link
DE (1) DE1182183B (enrdf_load_stackoverflow)
FR (1) FR1247509A (enrdf_load_stackoverflow)
GB (1) GB875249A (enrdf_load_stackoverflow)
NL (3) NL267759A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307021B (zh) * 2019-07-29 2024-01-12 石家庄博安煤矿机械制造有限公司 一种煤矿用液压支撑装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE808225C (de) * 1948-01-12 1951-07-12 Dowty Equipment Ltd Grubenstempel
DE923244C (de) * 1951-12-11 1955-02-07 Eugen Bellmann Hydraulischer Stempel, insbesondere Grubenstempel
US2713773A (en) * 1953-09-24 1955-07-26 Dowty Auto Units Ltd Hydraulic pit prop or jack
DE1009139B (de) * 1955-12-30 1957-05-29 Hermann Schwarz Kommanditgesel Zweiteiliger metallischer Grubenstempel mit einer durch Reibungsschluss unter elastischer Verformung erfolgenden Verspannung der Stempelteile und Verfahren zum Setzen
DE1014501B (de) * 1956-08-29 1957-08-29 Bosch Gmbh Robert Hydraulischer Grubenstempel mit einem Druckraum und einem UEberdruckventil
DE1033160B (de) * 1956-05-01 1958-07-03 Dowty Mining Equipment Ltd Betaetigungsvorrichtung fuer einen hydraulischen Grubenstempel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE808225C (de) * 1948-01-12 1951-07-12 Dowty Equipment Ltd Grubenstempel
DE923244C (de) * 1951-12-11 1955-02-07 Eugen Bellmann Hydraulischer Stempel, insbesondere Grubenstempel
US2713773A (en) * 1953-09-24 1955-07-26 Dowty Auto Units Ltd Hydraulic pit prop or jack
DE1009139B (de) * 1955-12-30 1957-05-29 Hermann Schwarz Kommanditgesel Zweiteiliger metallischer Grubenstempel mit einer durch Reibungsschluss unter elastischer Verformung erfolgenden Verspannung der Stempelteile und Verfahren zum Setzen
DE1033160B (de) * 1956-05-01 1958-07-03 Dowty Mining Equipment Ltd Betaetigungsvorrichtung fuer einen hydraulischen Grubenstempel
DE1014501B (de) * 1956-08-29 1957-08-29 Bosch Gmbh Robert Hydraulischer Grubenstempel mit einem Druckraum und einem UEberdruckventil

Also Published As

Publication number Publication date
NL267759A (enrdf_load_stackoverflow) 1965-06-25
NL233516A (enrdf_load_stackoverflow) 1965-06-25
NL110999C (enrdf_load_stackoverflow)
FR1247509A (fr) 1960-12-02
GB875249A (en) 1961-08-16

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