CA956924A - Free fall circuit for hydraulic winch - Google Patents

Free fall circuit for hydraulic winch

Info

Publication number
CA956924A
CA956924A CA154,837A CA154837A CA956924A CA 956924 A CA956924 A CA 956924A CA 154837 A CA154837 A CA 154837A CA 956924 A CA956924 A CA 956924A
Authority
CA
Canada
Prior art keywords
free fall
hydraulic winch
fall circuit
circuit
winch
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
CA154,837A
Other languages
English (en)
Other versions
CA154837S (en
Inventor
Robert E. Dummer
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.)
Caterpillar Global Mining LLC
Original Assignee
Bucyrus Erie Co
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 Bucyrus Erie Co filed Critical Bucyrus Erie Co
Application granted granted Critical
Publication of CA956924A publication Critical patent/CA956924A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/905—Winding and reeling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Safety Of Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)
CA154,837A 1971-10-26 1972-10-25 Free fall circuit for hydraulic winch Expired CA956924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19209771A 1971-10-26 1971-10-26

Publications (1)

Publication Number Publication Date
CA956924A true CA956924A (en) 1974-10-29

Family

ID=22708234

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,837A Expired CA956924A (en) 1971-10-26 1972-10-25 Free fall circuit for hydraulic winch

Country Status (4)

Country Link
US (1) US3764111A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5218974B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA956924A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1371839A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2240940C3 (de) * 1972-08-19 1975-11-06 O & K Orenstein & Koppel Ag Werk Luebeck, 2400 Luebeck Hydrostatisches Getriebe, insbesondere für Winden, Hubwinden, Wippwerkswinden o.dgl
JPS574597B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-03-04 1982-01-26
JPS56165696A (en) * 1980-05-26 1981-12-19 Komatsu Mfg Co Ltd Brake gear for oil pressure type crane winch
US4398698A (en) * 1981-05-29 1983-08-16 Fmc Corporation Freefall winch system and method of operation
US4549640A (en) * 1982-01-28 1985-10-29 Hitachi Construction Machinery Co., Ltd. Operation system for hoisting device
US4516755A (en) * 1982-06-02 1985-05-14 Kabushiki Kaisha Komatsu Seisakusho Hydraulic winch control system
JP3508662B2 (ja) * 1998-12-25 2004-03-22 コベルコ建機株式会社 油圧駆動ウィンチの制御方法および同装置
CN102336372A (zh) * 2010-07-16 2012-02-01 徐州重型机械有限公司 起重机及其卷扬装置的液压控制系统
CN103723645B (zh) * 2014-01-20 2016-09-21 安徽柳工起重机有限公司 强夯机快放卷扬控制系统
CN109132909B (zh) * 2018-10-10 2021-02-05 三一汽车起重机械有限公司 卷扬液压控制系统及起重机
US10947094B2 (en) * 2019-08-05 2021-03-16 Goodrich Corporation Auxiliary brake assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258307A (en) * 1938-11-18 1941-10-07 Vickers Inc Power transmission
US3249336A (en) * 1963-06-18 1966-05-03 Baldwin Lima Hamilton Corp Hydraulic winch control mechanism
US3550735A (en) * 1968-09-23 1970-12-29 Hyster Co Fluid pressure reversing clutches and brake for winch
US3578787A (en) * 1968-11-12 1971-05-18 Northwest Engineering Corp Control system

Also Published As

Publication number Publication date
JPS4862151A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-30
US3764111A (en) 1973-10-09
JPS5218974B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-05-25
GB1371839A (en) 1974-10-30

Similar Documents

Publication Publication Date Title
CA952092A (en) Winch mechanisms
CA955920A (en) Scaffolding winch
CA956924A (en) Free fall circuit for hydraulic winch
CA950442A (en) Hoist
CA982089A (en) Hydraulic circuitry for an excavator
CA964089A (en) Hydraulic former
CA966791A (en) Hydraulic brakes
CA937487A (en) Hydraulic turntable
CA946819A (en) Winch
CA948141A (en) Hydraulic fish unloading apparatus
CA955275A (en) Load shifting apparatus
CA882166A (en) Additives for hydraulic cements
CA958230A (en) Oil containment boom
CA913471A (en) Toe-rail for yachts
AU461538B2 (en) Hydraulic device
CA881362A (en) Winches
CA860679A (en) Hydraulic turbo-couplings
CA878368A (en) Hydraulic brake circuits
CA872144A (en) Derricks
CA930351A (en) Winch
CA874300A (en) Hydraulic jacks
CA927360A (en) Hydraulic mechanism
CA861219A (en) Hydraulic holding devices
CA886399A (en) Hydraulic loading apparatus
CA864967A (en) Winch assembly