GB975824A - A method and apparatus for controlling hydraulic apparatus arranged to maintain constant tension in a safety rope or cable - Google Patents

A method and apparatus for controlling hydraulic apparatus arranged to maintain constant tension in a safety rope or cable

Info

Publication number
GB975824A
GB975824A GB3975461A GB3975461A GB975824A GB 975824 A GB975824 A GB 975824A GB 3975461 A GB3975461 A GB 3975461A GB 3975461 A GB3975461 A GB 3975461A GB 975824 A GB975824 A GB 975824A
Authority
GB
United Kingdom
Prior art keywords
valve
constant tension
cable
pump
line
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
GB3975461A
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.)
Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
Original Assignee
Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
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 Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH filed Critical Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
Publication of GB975824A publication Critical patent/GB975824A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/14—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face
    • E21C29/145—Means for tensioning the haulage chains or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/08—Driving gear incorporating fluid motors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
    • E21C29/10—Cable or chain co-operating with a winch or the like on the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/01—Winches, capstans or pivots
    • B66D2700/0125—Motor operated winches
    • B66D2700/0133—Fluid actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Fluid-Pressure Circuits (AREA)
GB3975461A 1960-11-10 1961-11-07 A method and apparatus for controlling hydraulic apparatus arranged to maintain constant tension in a safety rope or cable Expired GB975824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE20167A DE1183040B (de) 1960-11-10 1960-11-10 Verfahren und Vorrichtung zum Konstanthalten der von Hand einstellbaren Zugkraft einer hydraulischen Sicherheitswinde, insbesondere fuer Schraemmaschinen

Publications (1)

Publication Number Publication Date
GB975824A true GB975824A (en) 1964-11-18

Family

ID=7070203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3975461A Expired GB975824A (en) 1960-11-10 1961-11-07 A method and apparatus for controlling hydraulic apparatus arranged to maintain constant tension in a safety rope or cable

Country Status (2)

Country Link
DE (1) DE1183040B (de)
GB (1) GB975824A (de)

Also Published As

Publication number Publication date
DE1183040B (de) 1964-12-10

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