DE1138366B - Ausziehbares, zweiteiliges Grubenausbau-element - Google Patents

Ausziehbares, zweiteiliges Grubenausbau-element

Info

Publication number
DE1138366B
DE1138366B DESCH26468A DESC026468A DE1138366B DE 1138366 B DE1138366 B DE 1138366B DE SCH26468 A DESCH26468 A DE SCH26468A DE SC026468 A DESC026468 A DE SC026468A DE 1138366 B DE1138366 B DE 1138366B
Authority
DE
Germany
Prior art keywords
pressure
extendable
space
pressure medium
pressure chamber
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
DESCH26468A
Other languages
German (de)
English (en)
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.)
SCHWARZ KG HERMANN
Hermann Schwarz KG
Original Assignee
SCHWARZ KG HERMANN
Hermann Schwarz KG
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 NL243254D priority Critical patent/NL243254A/xx
Priority claimed from DESCH24729A external-priority patent/DE1135399B/de
Application filed by SCHWARZ KG HERMANN, Hermann Schwarz KG filed Critical SCHWARZ KG HERMANN
Priority to DESCH26468A priority patent/DE1138366B/de
Priority to FR804778A priority patent/FR1235039A/fr
Priority to GB3116959A priority patent/GB916936A/en
Publication of DE1138366B publication Critical patent/DE1138366B/de
Pending legal-status Critical Current

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
    • E21D15/58—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
    • E21D15/586—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 the props being pre-loaded
    • 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

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)
  • Actuator (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
DESCH26468A 1958-09-13 1959-08-01 Ausziehbares, zweiteiliges Grubenausbau-element Pending DE1138366B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL243254D NL243254A (enrdf_load_stackoverflow) 1958-09-13
DESCH26468A DE1138366B (de) 1958-09-13 1959-08-01 Ausziehbares, zweiteiliges Grubenausbau-element
FR804778A FR1235039A (fr) 1958-09-13 1959-09-10 Dispositif de soutènement extensible en deux éléments pour exploitations minières
GB3116959A GB916936A (en) 1958-09-13 1959-09-14 Improvements in or relating to extensible mine support elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESCH24729A DE1135399B (de) 1958-09-13 1958-09-13 Druckmittelbetriebenes Grubenausbauelement
DESCH26468A DE1138366B (de) 1958-09-13 1959-08-01 Ausziehbares, zweiteiliges Grubenausbau-element

Publications (1)

Publication Number Publication Date
DE1138366B true DE1138366B (de) 1962-10-25

Family

ID=25992755

Family Applications (1)

Application Number Title Priority Date Filing Date
DESCH26468A Pending DE1138366B (de) 1958-09-13 1959-08-01 Ausziehbares, zweiteiliges Grubenausbau-element

Country Status (4)

Country Link
DE (1) DE1138366B (enrdf_load_stackoverflow)
FR (1) FR1235039A (enrdf_load_stackoverflow)
GB (1) GB916936A (enrdf_load_stackoverflow)
NL (1) NL243254A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239648B (de) * 1965-07-08 1967-05-03 Hoesch Bergbautechnik G M B H Hydraulischer Grubenstempel

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1554201B1 (de) * 1965-02-25 1971-07-01 Fichtel & Sachs Ag Hydropneumatisches Hubaggregat,insbesondere zur stufenlosen Hoehenverstellung von Tischplatten und Stuehlen
CN102022128B (zh) * 2011-01-06 2012-02-15 王洁 一种气液支柱
CN103924991B (zh) * 2014-03-07 2015-12-02 浙江衢州煤矿机械总厂股份有限公司 矿用内注式单体液压支柱
CN108506030B (zh) * 2018-02-23 2019-09-10 中国神华能源股份有限公司 一种液压支架及地下水库中的净化墙的布设方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027615B (de) * 1957-05-02 1958-04-10 Karl Gerlach Grubenstempel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027615B (de) * 1957-05-02 1958-04-10 Karl Gerlach Grubenstempel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239648B (de) * 1965-07-08 1967-05-03 Hoesch Bergbautechnik G M B H Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
NL243254A (enrdf_load_stackoverflow)
GB916936A (en) 1963-01-30
FR1235039A (fr) 1960-07-01

Similar Documents

Publication Publication Date Title
DE2750188B2 (de) Arretierbarer hydraulischer teleskopischer Stoßdämpfer
DE2851070C3 (de) Vorrichtung zum Entlasten des Dichtungspaketes einer Kolbenstange eines hydraulischen Teleskopstoßdämpfers
DE621526C (de) Aus zwei ineinanderverschiebbaren Teilen bestehender nachgiebiger Grubenstempel
DE977481C (de) In einem hydraulisch betaetigten Grubenstempel eingebaute Kolbenpumpe
DE2146502B2 (de) Ventilanordnung zum Setzen hydraulischer Grubenstempel mit hoher Setzkraft
DE1138366B (de) Ausziehbares, zweiteiliges Grubenausbau-element
DE967341C (de) Druckminderungsventil, insbesondere fuer hydraulisch betaetigte Grubenstempel
DE1297490B (de) Druckmittelfederung fuer Schwerlastfahrzeuge
DE1024040B (de) Absperrventil fuer einen mit Fluessigkeit gefuellten Druckraum bei Grubenausbaumitteln
DE1195251B (de) Ventilanordnung fuer hydraulische Grubenstempel
DE3521818A1 (de) Dreifachteleskopstempel
DE1023436B (de) Hydraulischer Grubenstempel
DE3712635C2 (enrdf_load_stackoverflow)
DE1132073B (de) Ventilanordnung fuer hydraulische Grubenstempel
AT340855B (de) Druckbegrenzungsventil, insbesondere fur hydraulische grubenstempel
DE932784C (de) Hydraulischer Grubenstempel mit Pressluftbedienung
DE2042295A1 (de) Hydraulische Stützvorrichtung, insbesondere Grubenstempel
DE2022514A1 (de) Hydraulisch betaetigter Teleskop-Hebebock
DE966318C (de) Dichtungseinheit fuer durch hydraulischen oder pneumatischen Druck betaetigte Kolben in Arbeitsmaschinen
DE2903333C2 (enrdf_load_stackoverflow)
DE923244C (de) Hydraulischer Stempel, insbesondere Grubenstempel
DE1164961B (de) Stuetzelement
DE880859C (de) Einrichtung zur Erhaltung eines vorbestimmten Druckes in einer Druckleitung, vorzugsweise bei Druckoelbremsen
DE1555832C (de) Abregeleinnchtung fur pneumatische oder hydropneumaüsche Federelemente mit innerer Niveauregelung, insbesondere fur Kraftfahrzeuge
DE1149678B (de) Mehrstufiger hydraulischer Grubenstempel