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EP1577257A3 - Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge - Google Patents

Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge Download PDF

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Publication number
EP1577257A3
EP1577257A3 EP05004255A EP05004255A EP1577257A3 EP 1577257 A3 EP1577257 A3 EP 1577257A3 EP 05004255 A EP05004255 A EP 05004255A EP 05004255 A EP05004255 A EP 05004255A EP 1577257 A3 EP1577257 A3 EP 1577257A3
Authority
EP
European Patent Office
Prior art keywords
lifting
hydraulic pump
hydraulic
branch
lifting cylinder
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
EP05004255A
Other languages
English (en)
French (fr)
Other versions
EP1577257A2 (de
EP1577257B1 (de
Inventor
Nis-Georg Nissen
Thomas Stolten
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 EP1577257A2 publication Critical patent/EP1577257A2/de
Publication of EP1577257A3 publication Critical patent/EP1577257A3/de
Application granted granted Critical
Publication of EP1577257B1 publication Critical patent/EP1577257B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/163—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
    • 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
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
    • 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
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/25—Pressure control functions
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load pressure
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional 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
    • F15B2211/50—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
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge, mit mindestens einem hydraulischen Hubzylinder, einer im Lasthebebetrieb als Pumpe arbeitenden, den Hubzylinder (1) mit Druckmittel beschickenden und im Lastsenkbetrieb als Motor arbeitenden, von dem vom Hubzylinder (1) verdrängten Druckmittel angetriebenen Hydraulikpumpe (5), einer mit der Hydraulikpumpe (5) gekuppelten, im Lasthebebetrieb als Elektromotor und im Lastsenkbetrieb als Generator arbeitenden elektrischen Maschine (6), einer Drehzahlregeleinrichtung für die elektrische Maschine (6), wobei die elektrische Maschine (6) durch die Drehzahlregeleinrichtung in Abhängigkeit von der Betätigung eines Sollwertgebers in ihrer Drehzahl regelbar ist, einer Hubventilanordnung (7) in einem zum Hubzylinder (1) führenden Hebenzweig (9), einem Senkzweig (8) zwischen dem Hubzylinder (1) und einer Verbindung zwischen einem Rückschlagventil (20) und einem Eingang der Hydraulikpumpe (5), einem Volumenstrombegrenzer (11) im Senkzweig, einer Bypass-Ventilanordnung (13), welche einen Ausgang der Hydraulikpumpe (5) mit dem Tank (19) verbindet und mindestens einem weiteren hydraulischen Verbraucher (2,3,4), der von der Hydraulikpumpe (5) über ein zugeordnetes Steuerventil (16) versorgbar ist, wobei das Hubventil (1) im Hebenzweig (9) abströmseitig von der Abzweigung einer Leitung (10) zum Nebenverbraucher (2,3,4) angeordnet ist und die Leitung aufströmseitig des Steuerventils (16) über eine Druckwaage (13) mit dem Tank verbindbar ist.
EP05004255A 2004-03-11 2005-02-26 Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge Expired - Lifetime EP1577257B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004011913A DE102004011913B4 (de) 2004-03-11 2004-03-11 Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge
DE102004011913 2004-03-11

Publications (3)

Publication Number Publication Date
EP1577257A2 EP1577257A2 (de) 2005-09-21
EP1577257A3 true EP1577257A3 (de) 2005-09-28
EP1577257B1 EP1577257B1 (de) 2009-01-14

Family

ID=34833111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004255A Expired - Lifetime EP1577257B1 (de) 2004-03-11 2005-02-26 Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge

Country Status (3)

Country Link
US (1) US7181910B2 (de)
EP (1) EP1577257B1 (de)
DE (2) DE102004011913B4 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007010697A1 (de) * 2007-03-06 2008-09-11 Jungheinrich Aktiengesellschaft Flurförderzeug
DE102007028864A1 (de) * 2007-03-27 2008-10-02 Robert Bosch Gmbh Hydraulische Steueranordnung
US7980073B2 (en) * 2008-05-08 2011-07-19 Caterpillar Inc. Hybrid system for a powertrain and hydraulic system
DE102012102092B4 (de) 2012-03-13 2024-04-25 Still Gesellschaft Mit Beschränkter Haftung Hydraulikanlage einer mobilen Arbeitsmaschine, insbesondere eines Flurförderzeugs
DE102012024647A1 (de) * 2012-12-17 2014-06-18 Jungheinrich Aktiengesellschaft Hydraulische Hubvorrichtung für ein batteriebetriebenes Flurförderzeug
SE1350633A1 (sv) * 2013-05-24 2014-11-25 BAE Systems Hägglunds Aktiebolag Förfarande och system för styrning av hydraulanordning
WO2014207474A2 (en) 2013-06-26 2014-12-31 Parker Hannifin Manufacturing Limited Energy efficient electric vehicle control system
DE102014108370B4 (de) * 2014-06-13 2020-10-01 Jungheinrich Aktiengesellschaft Hydraulische Hubvorrichtung für ein batteriebetriebenes Flurförderzeug
DE102014114526A1 (de) 2014-10-07 2016-04-07 Linde Material Handling Gmbh Hydraulisches Antriebssystem einer batterie-betriebenen mobilen Arbeitsmaschine
DE102016124506A1 (de) * 2016-12-15 2018-06-21 Jungheinrich Aktiengesellschaft Flurförderzeug mit einer Steuereinheit zur Regelung der Bewegung einer Last sowie ein entsprechendes Verfahren
DE102017131164A1 (de) 2017-12-22 2019-06-27 Linde Material Handling Gmbh Hydraulisches Antriebssystem einer mobilen Arbeitsmaschine, insbesondere eines Flurförderzeugs
CN111148905B (zh) 2018-09-05 2021-08-27 株式会社日立建机Tierra 电动式液压工程机械的液压驱动装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4402653C2 (de) * 1994-01-29 1997-01-30 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge
DE29911686U1 (de) * 1999-07-06 1999-09-16 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Elektrohydraulischer Hubmodul
DE10224730A1 (de) * 2001-06-29 2003-01-16 Linde Ag Hydraulische Steuereinrichtung
DE10010670C2 (de) * 2000-03-04 2003-11-06 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4127342C2 (de) * 1991-08-19 1995-02-16 Danfoss As Hydraulisches System mit einer Pumpe
DE4423644C2 (de) * 1994-07-06 1998-10-01 Buchholz Hydraulik Hydraulische Steuervorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4402653C2 (de) * 1994-01-29 1997-01-30 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge
DE29911686U1 (de) * 1999-07-06 1999-09-16 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Elektrohydraulischer Hubmodul
DE10010670C2 (de) * 2000-03-04 2003-11-06 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge
DE10224730A1 (de) * 2001-06-29 2003-01-16 Linde Ag Hydraulische Steuereinrichtung

Also Published As

Publication number Publication date
US7181910B2 (en) 2007-02-27
EP1577257A2 (de) 2005-09-21
DE102004011913B4 (de) 2005-12-29
US20050198950A1 (en) 2005-09-15
EP1577257B1 (de) 2009-01-14
DE102004011913A1 (de) 2005-10-13
DE502005006449D1 (de) 2009-03-05

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