EP1099859A3 - Method of pressure-balancing hydraulic motors for driving the raise and lower cables of a cable crane - Google Patents

Method of pressure-balancing hydraulic motors for driving the raise and lower cables of a cable crane Download PDF

Info

Publication number
EP1099859A3
EP1099859A3 EP00250337A EP00250337A EP1099859A3 EP 1099859 A3 EP1099859 A3 EP 1099859A3 EP 00250337 A EP00250337 A EP 00250337A EP 00250337 A EP00250337 A EP 00250337A EP 1099859 A3 EP1099859 A3 EP 1099859A3
Authority
EP
European Patent Office
Prior art keywords
pressure
driving
hydraulic motors
cable crane
raise
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.)
Granted
Application number
EP00250337A
Other languages
German (de)
French (fr)
Other versions
EP1099859B1 (en
EP1099859A2 (en
Inventor
Andreas Dipl.-Ing. Kruschinski
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.)
Demag Cranes and Components GmbH
Original Assignee
Atecs Mannesmann 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 Atecs Mannesmann GmbH filed Critical Atecs Mannesmann GmbH
Publication of EP1099859A2 publication Critical patent/EP1099859A2/en
Publication of EP1099859A3 publication Critical patent/EP1099859A3/en
Application granted granted Critical
Publication of EP1099859B1 publication Critical patent/EP1099859B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/12—Grabs actuated by two or more ropes
    • B66C3/125—Devices for control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/047—Preventing foaming, churning or cavitation

Abstract

The method involves detecting (6,7) the working pressure in the working circuit of each hydraulic motor (4,5) during the initiation of the closing movement and controlling it via a controller so that the same working pressure exists in both working circuits at the end of the gripper closing process. The arrangement has a sensor in the hydraulic line leading to each sensor. Independent claims are also included for the following: an arrangement for pressure equalization in hydraulic motors for driving the lifting and gripper closing cables of a cable crane.
EP00250337A 1999-11-11 2000-10-17 Method of pressure-balancing hydraulic motors for driving the raise and lower cables of a cable crane Expired - Lifetime EP1099859B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19955750A DE19955750B4 (en) 1999-11-11 1999-11-11 Process for pressure compensation in hydraulic motors for driving the lifting and closing cables of a cable crane
DE19955750 1999-11-11

Publications (3)

Publication Number Publication Date
EP1099859A2 EP1099859A2 (en) 2001-05-16
EP1099859A3 true EP1099859A3 (en) 2003-11-12
EP1099859B1 EP1099859B1 (en) 2005-05-18

Family

ID=7929656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00250337A Expired - Lifetime EP1099859B1 (en) 1999-11-11 2000-10-17 Method of pressure-balancing hydraulic motors for driving the raise and lower cables of a cable crane

Country Status (7)

Country Link
US (1) US6619626B1 (en)
EP (1) EP1099859B1 (en)
AT (1) ATE295943T1 (en)
DE (2) DE19955750B4 (en)
DK (1) DK1099859T3 (en)
ES (1) ES2243198T3 (en)
PT (1) PT1099859E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054316B4 (en) 2011-10-07 2021-04-01 Te Connectivity Germany Gmbh Two-part crimp contact element
CN104214150B (en) * 2014-06-04 2016-03-23 上海中联重科桩工机械有限公司 Double-hoist hydraulic control system and there is its engineering machinery
DE102014110060A1 (en) 2014-07-17 2016-01-21 Terex Mhps Gmbh Filling degree control for a bulk grapple of a crane
DE102022123785A1 (en) 2022-09-16 2024-03-21 Liebherr-Werk Nenzing Gmbh Working device with a mechanical diaphragm wall grab and method for carrying out a working step of such

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776513A (en) * 1971-05-10 1973-12-04 F Mosley Crane
US3788075A (en) * 1972-07-13 1974-01-29 Borg Warner Valve mechanism
US4000683A (en) * 1975-05-27 1977-01-04 Caterpillar Tractor Co. Hydraulic load lifting system
US4094228A (en) * 1977-06-06 1978-06-13 Caterpillar Tractor Co. Fluid system having load pressure equalizing valve assemblies
JPH04327497A (en) * 1991-04-24 1992-11-17 Hitachi Constr Mach Co Ltd Equal load control device for main and auxiliary winding winches
US5186000A (en) * 1988-05-10 1993-02-16 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047311A (en) * 1974-09-23 1977-09-13 Kelley Charles S Automatic grab bucket with pressure responsive solenoid control
GB1529331A (en) * 1976-03-02 1978-10-18 Clarke Chapman Ltd Winding mechanism
DE2814384A1 (en) * 1978-04-04 1979-10-18 Teves Gmbh Alfred DEVICE FOR GENERATING AND PROVIDING A VACUUM IN AUXILIARY VEHICLE SYSTEMS
EP0366119B1 (en) * 1988-10-26 1994-01-19 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Operating force controlling device for operating lever
US5319932A (en) * 1993-04-28 1994-06-14 Roche Engineering Corporation Power sensing regenerator
US5439200A (en) * 1993-12-10 1995-08-08 Columbus Mckinnon Corporation Air lifting and balancing unit
US5806838A (en) * 1995-11-30 1998-09-15 Kalve; Atle Hydraulic system for driving a winch during quartering and lifting modes
US5734112A (en) * 1996-08-14 1998-03-31 Micro Motion, Inc. Method and apparatus for measuring pressure in a coriolis mass flowmeter
DE29802606U1 (en) * 1998-02-16 1998-04-23 Zasche Foerdertechnik Gmbh Hand-operated lifting device with a pneumatic lifting drive
JP3508662B2 (en) * 1998-12-25 2004-03-22 コベルコ建機株式会社 Hydraulic drive winch control method and device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776513A (en) * 1971-05-10 1973-12-04 F Mosley Crane
US3788075A (en) * 1972-07-13 1974-01-29 Borg Warner Valve mechanism
US4000683A (en) * 1975-05-27 1977-01-04 Caterpillar Tractor Co. Hydraulic load lifting system
US4094228A (en) * 1977-06-06 1978-06-13 Caterpillar Tractor Co. Fluid system having load pressure equalizing valve assemblies
US5186000A (en) * 1988-05-10 1993-02-16 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
JPH04327497A (en) * 1991-04-24 1992-11-17 Hitachi Constr Mach Co Ltd Equal load control device for main and auxiliary winding winches

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 164 (M - 1390) 30 March 1993 (1993-03-30) *

Also Published As

Publication number Publication date
DE19955750A1 (en) 2001-05-31
EP1099859B1 (en) 2005-05-18
ATE295943T1 (en) 2005-06-15
PT1099859E (en) 2005-09-30
DK1099859T3 (en) 2005-09-19
DE19955750B4 (en) 2004-05-27
EP1099859A2 (en) 2001-05-16
US6619626B1 (en) 2003-09-16
DE50010342D1 (en) 2005-06-23
ES2243198T3 (en) 2005-12-01

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