EP0819646A4 - Method and system for controlling the speed of a winch - Google Patents

Method and system for controlling the speed of a winch

Info

Publication number
EP0819646A4
EP0819646A4 EP95910783A EP95910783A EP0819646A4 EP 0819646 A4 EP0819646 A4 EP 0819646A4 EP 95910783 A EP95910783 A EP 95910783A EP 95910783 A EP95910783 A EP 95910783A EP 0819646 A4 EP0819646 A4 EP 0819646A4
Authority
EP
European Patent Office
Prior art keywords
winch
controlling
speed
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.)
Withdrawn
Application number
EP95910783A
Other languages
German (de)
French (fr)
Other versions
EP0819646A1 (en
Inventor
Kinya Mori
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.)
Komatsu Ltd
Komatsu MEC Corp
Komatsu MEC KK
Original Assignee
Komatsu Ltd
Komatsu MEC Corp
Komatsu MEC KK
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 Komatsu Ltd, Komatsu MEC Corp, Komatsu MEC KK filed Critical Komatsu Ltd
Publication of EP0819646A1 publication Critical patent/EP0819646A1/en
Publication of EP0819646A4 publication Critical patent/EP0819646A4/en
Withdrawn legal-status Critical Current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
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/42—Control devices non-automatic
    • B66D1/44—Control devices non-automatic pneumatic of hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control And Safety Of Cranes (AREA)
EP95910783A 1995-03-10 1995-03-10 Method and system for controlling the speed of a winch Withdrawn EP0819646A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1995/000394 WO1996028377A1 (en) 1995-03-10 1995-03-10 Method and system for controlling the speed of a winch

Publications (2)

Publication Number Publication Date
EP0819646A1 EP0819646A1 (en) 1998-01-21
EP0819646A4 true EP0819646A4 (en) 2000-01-05

Family

ID=14125723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95910783A Withdrawn EP0819646A4 (en) 1995-03-10 1995-03-10 Method and system for controlling the speed of a winch

Country Status (3)

Country Link
EP (1) EP0819646A4 (en)
KR (1) KR19980702858A (en)
WO (1) WO1996028377A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745617B (en) * 2012-07-02 2015-08-12 中联重科股份有限公司 The control method of latching device free-falling body, controller, control system and hoisting crane
KR20160150556A (en) 2015-06-22 2016-12-30 디와이 주식회사 Crane apparatus
CN114857101B (en) * 2022-05-20 2024-04-05 宁波新宏液压有限公司 Intelligent protection system of speed-regulating hydraulic winch
KR102662416B1 (en) * 2023-10-12 2024-04-30 주식회사 제이피케이이노 Winch brake system with increased performance
KR102662414B1 (en) * 2023-10-12 2024-04-30 주식회사 제이피케이이노 Winch brake structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870255A (en) * 1970-07-07 1975-03-11 Hughes Tool Co Hoist drive system
US5355675A (en) * 1993-08-31 1994-10-18 Western Atlas International, Inc. Stabilized speed-control system for a hydrostatic transmission

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5554712Y2 (en) * 1976-09-13 1980-12-17
JPS54138265A (en) * 1978-04-19 1979-10-26 Hitachi Ltd Method of and apparatus for controlling operation of constant-output hydraulic hoist
JPS5958203A (en) * 1982-09-28 1984-04-03 Yanase:Kk Automatic operation control method for variable stroke volume piston type hydraulic motor
JPS61127968A (en) * 1984-11-22 1986-06-16 Hitachi Constr Mach Co Ltd Speed controller for hydraulic closed circuit drive unit
JPS62105895A (en) * 1985-10-31 1987-05-16 住友重機械工業株式会社 Hydraulic circuit
JPS6428200A (en) * 1987-07-22 1989-01-30 Kobe Steel Ltd Controller for hydraulic winch
JPS6487495A (en) * 1987-09-28 1989-03-31 Hitachi Construction Machinery Hydraulic winch circuit with variable displacement type hydraulic motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870255A (en) * 1970-07-07 1975-03-11 Hughes Tool Co Hoist drive system
US5355675A (en) * 1993-08-31 1994-10-18 Western Atlas International, Inc. Stabilized speed-control system for a hydrostatic transmission

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9628377A1 *

Also Published As

Publication number Publication date
WO1996028377A1 (en) 1996-09-19
EP0819646A1 (en) 1998-01-21
KR19980702858A (en) 1998-08-05

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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