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GB2360757B - Hydraulic lifting device for battery-operated industrial trucks - Google Patents

Hydraulic lifting device for battery-operated industrial trucks

Info

Publication number
GB2360757B
GB2360757B GB0104699A GB0104699A GB2360757B GB 2360757 B GB2360757 B GB 2360757B GB 0104699 A GB0104699 A GB 0104699A GB 0104699 A GB0104699 A GB 0104699A GB 2360757 B GB2360757 B GB 2360757B
Authority
GB
United Kingdom
Prior art keywords
battery
lifting device
hydraulic lifting
industrial trucks
operated industrial
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 - Fee Related
Application number
GB0104699A
Other languages
English (en)
Other versions
GB0104699D0 (en
GB2360757A (en
Inventor
Nis-Georg Nissen
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.)
Jungheinrich AG
Original Assignee
Jungheinrich AG
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 Jungheinrich AG filed Critical Jungheinrich AG
Publication of GB0104699D0 publication Critical patent/GB0104699D0/en
Publication of GB2360757A publication Critical patent/GB2360757A/en
Application granted granted Critical
Publication of GB2360757B publication Critical patent/GB2360757B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F15B21/14—Energy-recuperation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20569—Type of pump capable of working as pump and motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6654—Flow rate 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/75—Control of speed of the output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members
    • F15B2211/781—Control of multiple output members one or more output members having priority

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
GB0104699A 2000-03-04 2001-02-26 Hydraulic lifting device for battery-operated industrial trucks Expired - Fee Related GB2360757B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2000110670 DE10010670C2 (de) 2000-03-04 2000-03-04 Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge

Publications (3)

Publication Number Publication Date
GB0104699D0 GB0104699D0 (en) 2001-04-11
GB2360757A GB2360757A (en) 2001-10-03
GB2360757B true GB2360757B (en) 2004-03-10

Family

ID=7633550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0104699A Expired - Fee Related GB2360757B (en) 2000-03-04 2001-02-26 Hydraulic lifting device for battery-operated industrial trucks

Country Status (4)

Country Link
DE (1) DE10010670C2 (sv)
FR (1) FR2807020B1 (sv)
GB (1) GB2360757B (sv)
SE (1) SE520519C2 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9975426B2 (en) 2013-06-26 2018-05-22 Parker-Hannifin Manufacturing Limited Energy efficient electric vehicle control system

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202607C1 (de) * 2002-01-24 2003-07-31 Hydac Fluidtechnik Gmbh Steuervorrichtung, insbesondere für den Einsatz bei hydraulisch arbeitenden Hubeinrichtungen
JP2003252592A (ja) 2002-03-01 2003-09-10 Nippon Yusoki Co Ltd フォークリフトの制御装置及び制御方法
DE20208577U1 (de) 2002-06-03 2003-12-11 Hawe Hydraulik Gmbh & Co. Kg Elektrohydraulische Hubsteuervorrichtung für Flurförerfahrzeuge
DE102004011913B4 (de) * 2004-03-11 2005-12-29 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge
DE102004028620B4 (de) * 2004-06-12 2008-02-21 Jungheinrich Ag Antriebssystem für eine mobile Arbeitsmaschine mit angetriebenen Rädern, insbesondere ein Flurförderzeug
US7344000B2 (en) * 2004-09-23 2008-03-18 Crown Equipment Corporation Electronically controlled valve for a materials handling vehicle
EP2058270B1 (de) 2007-11-06 2010-05-26 HAWE Hydraulik SE Elektrohydraulische Hubvorrichtung
KR20110127773A (ko) * 2010-05-20 2011-11-28 두산산업차량 주식회사 전동지게차의 에너지 회수 시스템
RU2016136706A (ru) 2011-02-16 2018-12-11 КРАУН ЭКВАЙПМЕНТ КОРПОРЕЙШН, Корпорация штата Огайо Погрузочно-разгрузочное транспортное средство, рассчитывающее скорость подвижного узла по скорости двигателя механизма подъёма
JP5352663B2 (ja) * 2011-12-26 2013-11-27 株式会社豊田自動織機 フォークリフトの油圧制御装置
JP5333616B2 (ja) 2012-02-02 2013-11-06 株式会社豊田自動織機 フォークリフトの油圧制御装置
DE102012024647A1 (de) * 2012-12-17 2014-06-18 Jungheinrich Aktiengesellschaft Hydraulische Hubvorrichtung für ein batteriebetriebenes Flurförderzeug
JP5835249B2 (ja) * 2013-02-27 2015-12-24 株式会社豊田自動織機 フォークリフトの油圧制御装置
CN104141644B (zh) * 2013-05-10 2017-12-15 博世力士乐（常州）有限公司 液压式抽油机的动力单元及相应的液压式抽油机
JP6269170B2 (ja) 2013-06-17 2018-01-31 株式会社豊田自動織機 荷役車両の油圧駆動装置
EP3960693A1 (en) 2014-09-15 2022-03-02 Crown Equipment Corporation Lift truck with optical load sensing structure
JP6394905B2 (ja) * 2015-04-10 2018-09-26 株式会社豊田自動織機 フォークリフトの油圧制御装置
EP3133043A1 (de) * 2015-08-18 2017-02-22 HAWE Hydraulik SE Hubmodul
CA3039305A1 (en) * 2018-04-06 2019-10-06 The Raymond Corporation Auxiliary hydraulic circuit filtering systems and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947744A (en) * 1974-10-21 1976-03-30 Allis-Chalmers Corporation Electric truck having elevated load potential energy recovery with means to adjust rate of carriage descent
US4723107A (en) * 1986-01-28 1988-02-02 Steinbock Gmbh Hydraulic lifting mechanism
US5649422A (en) * 1994-01-29 1997-07-22 Jungheinrich Aktiengesellschaft Hydraulic lift apparatus for a battery driven lift truck

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2570851B2 (ja) * 1989-03-03 1997-01-16 株式会社豊田自動織機製作所 バッテリ式産業車両における油圧装置
JPH033897A (ja) * 1989-05-31 1991-01-09 Toyota Autom Loom Works Ltd バッテリ式産業車両における油圧装置
JPH0439299A (ja) * 1990-06-01 1992-02-10 Toyota Autom Loom Works Ltd バッテリ式産業車両における油圧装置
JPH04179698A (ja) * 1990-07-13 1992-06-26 Toyota Autom Loom Works Ltd バッテリ式産業車両における油圧装置
DE4317782C2 (de) * 1993-05-28 1996-01-18 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriegetriebene Flurförderzeuge oder dergleichen
DE29911686U1 (de) * 1999-07-06 1999-09-16 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Elektrohydraulischer Hubmodul

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947744A (en) * 1974-10-21 1976-03-30 Allis-Chalmers Corporation Electric truck having elevated load potential energy recovery with means to adjust rate of carriage descent
US4723107A (en) * 1986-01-28 1988-02-02 Steinbock Gmbh Hydraulic lifting mechanism
US5649422A (en) * 1994-01-29 1997-07-22 Jungheinrich Aktiengesellschaft Hydraulic lift apparatus for a battery driven lift truck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9975426B2 (en) 2013-06-26 2018-05-22 Parker-Hannifin Manufacturing Limited Energy efficient electric vehicle control system

Also Published As

Publication number Publication date
SE520519C2 (sv) 2003-07-22
GB0104699D0 (en) 2001-04-11
DE10010670C2 (de) 2003-11-06
GB2360757A (en) 2001-10-03
SE0100695D0 (sv) 2001-03-01
FR2807020B1 (fr) 2005-02-25
FR2807020A1 (fr) 2001-10-05
DE10010670A1 (de) 2001-09-13
SE0100695L (sv) 2001-09-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140226