EP2101066A3 - Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei fluidbetätigten Verdrängereinheiten - Google Patents

Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei fluidbetätigten Verdrängereinheiten Download PDF

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Publication number
EP2101066A3
EP2101066A3 EP09002042A EP09002042A EP2101066A3 EP 2101066 A3 EP2101066 A3 EP 2101066A3 EP 09002042 A EP09002042 A EP 09002042A EP 09002042 A EP09002042 A EP 09002042A EP 2101066 A3 EP2101066 A3 EP 2101066A3
Authority
EP
European Patent Office
Prior art keywords
pressure medium
hydraulic cylinder
piston rod
fluid
side pressure
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
EP09002042A
Other languages
English (en)
French (fr)
Other versions
EP2101066A2 (de
EP2101066B1 (de
Inventor
Nikos Urbanczyk
Michael Reinfurt
Holger Aulbach
Joachim Schreiber
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.)
Linde Material Handling GmbH
Original Assignee
Linde Material Handling 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 Linde Material Handling GmbH filed Critical Linde Material Handling GmbH
Publication of EP2101066A2 publication Critical patent/EP2101066A2/de
Publication of EP2101066A3 publication Critical patent/EP2101066A3/de
Application granted granted Critical
Publication of EP2101066B1 publication Critical patent/EP2101066B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • 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
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1457—Piston rods
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston

Landscapes

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

Abstract

Die Erfindung betrifft eine Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei in Reihe geschalteten fluidbetätigten Verdrängereinheiten, wobei eine Primäreinheit zeitlich vor zumindest einer Sekundäreinheit bewegbar ist und wobei die Sekundäreinheit als Hydraulikzylinder (1) mit einer in einem Zylinderrohr (2) aus- und einfahrbaren Kolbenstange (3) ausgebildet ist. Zur Lösung der Aufgabe, bei geringem Bauaufwand die gewünschte Bewegungsreihenfolge der Verdrängereinheiten sicherzustellen, wird erfindungsgemäß vorgeschlagen, dass der Hydraulikzylinder (1) einen kolbenbodenseitigen Druckmittelraum (A) aufweist, der mit einem Druckmitteleinlass (10) für den Hydraulikzylinder (1) verbunden ist, und einen kolbenstangenseitigen Druckmittelraum (B) aufweist, wobei mittels einer Ventileinrichtung (15) der Abfluss von Druckmittel aus dem kolbenstangenseitigen Druckmittelraum (B) steuerbar ist. Die Ventileinrichtung (15) weist gemäß einer Ausgestaltungsform der Erfindung eine Sperrstellung und eine Öffnungsstellung auf und ist in Abhängigkeit von einer Druckdifferenz in Richtung einer Sperrstellung beaufschlagt ist, die an einer zwischen dem Druckmitteleinlass (10) des Hydraulikzylinders (1) und einem Druckmitteleinlass der Primäreinheit angeordneten Drosseleinrichtung (25) auftritt.
EP20090002042 2008-03-12 2009-02-13 Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei fluidbetätigten Verdrängereinheiten Not-in-force EP2101066B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810013765 DE102008013765A1 (de) 2008-03-12 2008-03-12 Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei fluidbetätigten Verdrängereinheiten

Publications (3)

Publication Number Publication Date
EP2101066A2 EP2101066A2 (de) 2009-09-16
EP2101066A3 true EP2101066A3 (de) 2013-02-20
EP2101066B1 EP2101066B1 (de) 2014-07-16

Family

ID=40790892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090002042 Not-in-force EP2101066B1 (de) 2008-03-12 2009-02-13 Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei fluidbetätigten Verdrängereinheiten

Country Status (2)

Country Link
EP (1) EP2101066B1 (de)
DE (1) DE102008013765A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107159A1 (de) 2012-08-03 2014-02-06 Linde Material Handling Gmbh Hydraulische Einrichtung zur Sicherung der Ausfahrreihenfolge von mindestens zwei Hubzylindereinrichtungen
DE102013103203A1 (de) 2013-03-28 2014-10-02 Linde Material Handling Gmbh Hubzylindereinrichtung eines mehrstufigen Hubgerüstes eines Flurförderzeugs

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1592757A (de) * 1968-03-28 1970-05-19
WO1993008116A1 (de) * 1991-10-21 1993-04-29 Palfinger Aktiengesellschaft Ladekran
US5355769A (en) * 1992-07-23 1994-10-18 Magna Pow'r, Inc. Sequentially operated cylinders with load holding valve integrated system
US5501346A (en) * 1991-11-11 1996-03-26 Palfinger Aktiengesellschaft Multistage telescope boom
EP0947710A1 (de) * 1998-04-06 1999-10-06 Grove U.S. LLC Teleskopanordnung mit mehreren einstufigen Teleskopzylindern
EP1270494A1 (de) * 2001-06-18 2003-01-02 FASSI GRU IDRAULICHE S.p.A. Vorrichtung zur Ausschiebung des Teleskopmastes eines hydraulischen Krans

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10125351A1 (de) 2001-05-23 2002-11-28 Still Gmbh Hydraulische Anordnung für die Hubzylinder eines Flurförderzeugs
DE102005032390A1 (de) 2005-07-12 2007-01-18 Linde Ag Mehrfach-Hubgerüst mit Verriegelungsmitteln zur Sicherung der Bewegungsreihenfolge der ausfahrbaren Hubmasten
DE102005052116B4 (de) 2005-11-02 2017-10-26 Linde Material Handling Gmbh Einrichtung zur Sicherung der Bewegungsreihenfolge von mindestens zwei fluidbetätigten Verdrängereinheiten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1592757A (de) * 1968-03-28 1970-05-19
WO1993008116A1 (de) * 1991-10-21 1993-04-29 Palfinger Aktiengesellschaft Ladekran
US5501346A (en) * 1991-11-11 1996-03-26 Palfinger Aktiengesellschaft Multistage telescope boom
US5355769A (en) * 1992-07-23 1994-10-18 Magna Pow'r, Inc. Sequentially operated cylinders with load holding valve integrated system
EP0947710A1 (de) * 1998-04-06 1999-10-06 Grove U.S. LLC Teleskopanordnung mit mehreren einstufigen Teleskopzylindern
EP1270494A1 (de) * 2001-06-18 2003-01-02 FASSI GRU IDRAULICHE S.p.A. Vorrichtung zur Ausschiebung des Teleskopmastes eines hydraulischen Krans

Also Published As

Publication number Publication date
EP2101066A2 (de) 2009-09-16
EP2101066B1 (de) 2014-07-16
DE102008013765A1 (de) 2009-09-17

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