GB1118088A - A hydraulically operable pulling jack for moving structural parts in underground workings - Google Patents

A hydraulically operable pulling jack for moving structural parts in underground workings

Info

Publication number
GB1118088A
GB1118088A GB4053165A GB4053165A GB1118088A GB 1118088 A GB1118088 A GB 1118088A GB 4053165 A GB4053165 A GB 4053165A GB 4053165 A GB4053165 A GB 4053165A GB 1118088 A GB1118088 A GB 1118088A
Authority
GB
United Kingdom
Prior art keywords
pipe
fluid
valve
piston
pulling jack
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.)
Expired
Application number
GB4053165A
Other languages
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of GB1118088A publication Critical patent/GB1118088A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
GB4053165A 1965-03-18 1965-09-23 A hydraulically operable pulling jack for moving structural parts in underground workings Expired GB1118088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK55568A DE1212475B (de) 1965-03-18 1965-03-18 Hydraulisch betaetigtes Zuggeraet zur Bewegung von Bauteilen im Untertagebetrieb

Publications (1)

Publication Number Publication Date
GB1118088A true GB1118088A (en) 1968-06-26

Family

ID=7227507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4053165A Expired GB1118088A (en) 1965-03-18 1965-09-23 A hydraulically operable pulling jack for moving structural parts in underground workings

Country Status (4)

Country Link
BE (1) BE670192A (enrdf_load_html_response)
DE (1) DE1212475B (enrdf_load_html_response)
GB (1) GB1118088A (enrdf_load_html_response)
NL (1) NL6511549A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114476578A (zh) * 2022-01-18 2022-05-13 宁夏天地奔牛实业集团有限公司 基于负载跟随控制的刮板机链条自动张紧控制方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114476578A (zh) * 2022-01-18 2022-05-13 宁夏天地奔牛实业集团有限公司 基于负载跟随控制的刮板机链条自动张紧控制方法
CN114476578B (zh) * 2022-01-18 2024-02-06 宁夏天地奔牛实业集团有限公司 基于负载跟随控制的刮板机链条自动张紧控制方法

Also Published As

Publication number Publication date
BE670192A (enrdf_load_html_response) 1966-01-17
NL6511549A (enrdf_load_html_response) 1966-09-19
DE1212475B (de) 1966-03-17

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