GB1371839A - Free fall circuit for hydraulic winch - Google Patents

Free fall circuit for hydraulic winch

Info

Publication number
GB1371839A
GB1371839A GB4908872A GB4908872A GB1371839A GB 1371839 A GB1371839 A GB 1371839A GB 4908872 A GB4908872 A GB 4908872A GB 4908872 A GB4908872 A GB 4908872A GB 1371839 A GB1371839 A GB 1371839A
Authority
GB
United Kingdom
Prior art keywords
valve
free fall
lines
clutch
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
GB4908872A
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.)
Ruston-Bucyrus Ltd
Original Assignee
Ruston-Bucyrus Ltd
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 Ruston-Bucyrus Ltd filed Critical Ruston-Bucyrus Ltd
Publication of GB1371839A publication Critical patent/GB1371839A/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)
GB4908872A 1971-10-26 1972-10-25 Free fall circuit for hydraulic winch Expired GB1371839A (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
GB1371839A true GB1371839A (en) 1974-10-30

Family

ID=22708234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4908872A Expired GB1371839A (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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482936A1 (fr) * 1980-05-26 1981-11-27 Komatsu Mfg Co Ltd Dispositif de commande d'embrayage et de freinage pour des treuils de grue a entrainement hydraulique
EP0085906A3 (en) * 1982-01-28 1983-12-14 Hitachi Construction Machinery Co., Ltd. Operation system for hoisting device
CN109132909A (zh) * 2018-10-10 2019-01-04 三汽车起重机械有限公司 卷扬液压控制系统及起重机

Families Citing this family (8)

* 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
US4398698A (en) * 1981-05-29 1983-08-16 Fmc Corporation Freefall winch system and method of operation
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
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482936A1 (fr) * 1980-05-26 1981-11-27 Komatsu Mfg Co Ltd Dispositif de commande d'embrayage et de freinage pour des treuils de grue a entrainement hydraulique
EP0085906A3 (en) * 1982-01-28 1983-12-14 Hitachi Construction Machinery Co., Ltd. Operation system for hoisting device
CN109132909A (zh) * 2018-10-10 2019-01-04 三汽车起重机械有限公司 卷扬液压控制系统及起重机
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

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
CA956924A (en) 1974-10-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee