EP2218675A3 - Système d'entraînement hydrostatique d'une machine de travail mobile - Google Patents

Système d'entraînement hydrostatique d'une machine de travail mobile Download PDF

Info

Publication number
EP2218675A3
EP2218675A3 EP10000411.8A EP10000411A EP2218675A3 EP 2218675 A3 EP2218675 A3 EP 2218675A3 EP 10000411 A EP10000411 A EP 10000411A EP 2218675 A3 EP2218675 A3 EP 2218675A3
Authority
EP
European Patent Office
Prior art keywords
drive system
pump
work machine
mobile work
valve
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Withdrawn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
EP10000411.8A
Other languages
German (de)
English (en)
Other versions
EP2218675A2 (fr
Inventor
Markus Schwab
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.)
STILL GmbH
Original Assignee
STILL 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 STILL GmbH filed Critical STILL GmbH
Publication of EP2218675A2 publication Critical patent/EP2218675A2/fr
Publication of EP2218675A3 publication Critical patent/EP2218675A3/fr
Withdrawn legal-status Critical Current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
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • 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
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
EP10000411.8A 2009-02-11 2010-01-18 Système d'entraînement hydrostatique d'une machine de travail mobile Withdrawn EP2218675A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009008514.9A DE102009008514B4 (de) 2009-02-11 2009-02-11 Hydrostatisches Antriebssystem einer mobilen Arbeitsmaschine

Publications (2)

Publication Number Publication Date
EP2218675A2 EP2218675A2 (fr) 2010-08-18
EP2218675A3 true EP2218675A3 (fr) 2013-10-16

Family

ID=42198929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10000411.8A Withdrawn EP2218675A3 (fr) 2009-02-11 2010-01-18 Système d'entraînement hydrostatique d'une machine de travail mobile

Country Status (2)

Country Link
EP (1) EP2218675A3 (fr)
DE (1) DE102009008514B4 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056069B4 (de) 2011-12-06 2022-08-04 Still Gesellschaft Mit Beschränkter Haftung Verfahren zum Betrieb eines Hydrauliksystems einer mobilen Arbeitsmaschine
DE102011056068B4 (de) 2011-12-06 2022-08-11 Still Gesellschaft Mit Beschränkter Haftung Hydrauliksystem einer mobilen Arbeitsmaschine
CN112253565A (zh) * 2020-11-11 2021-01-22 上海置道液压控制技术有限公司 无背压型压力低遮断阀

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524213A (en) * 1978-08-04 1980-02-21 Diesel Kiki Co Ltd Apparatus for controlling speed of hydraulic actuator for remote control
US4343151A (en) * 1980-05-16 1982-08-10 Caterpillar Tractor Co. Series - parallel selector for steering and implement
US4635440A (en) * 1983-06-14 1987-01-13 Linde Aktiengesellschaft Dual consumer hydraulic mechanisms
US5060475A (en) * 1990-05-29 1991-10-29 Caterpillar Inc. Pilot control circuit for load sensing hydraulic systems
DE10047631A1 (de) * 2000-09-26 2002-04-11 Linde Ag Hydrauliksystem für ein Flurförderzeug
DE10224731A1 (de) * 2001-06-29 2003-01-16 Linde Ag Hydrostatisches Antriebssystem
DE10151831A1 (de) * 2001-10-20 2003-05-08 Still Gmbh Hydraulikanlage für ein Flurförderzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708570C2 (de) 1987-03-17 1995-11-16 Bosch Gmbh Robert Elektrohydraulische Einrichtung zum Betätigen eines in einer Gehäusebohrung verschiebbaren kolbenartigen Teils
DE3905654C2 (de) 1989-02-24 1998-10-29 Bosch Gmbh Robert Hydraulische Steuervorrichtung
DE19748782A1 (de) 1997-11-05 1999-05-06 Clark Material Handling Gmbh Hydraulische Hubvorrichtung für batteriegetriebene Flurförderzeuge oder dergleichen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524213A (en) * 1978-08-04 1980-02-21 Diesel Kiki Co Ltd Apparatus for controlling speed of hydraulic actuator for remote control
US4343151A (en) * 1980-05-16 1982-08-10 Caterpillar Tractor Co. Series - parallel selector for steering and implement
US4635440A (en) * 1983-06-14 1987-01-13 Linde Aktiengesellschaft Dual consumer hydraulic mechanisms
US5060475A (en) * 1990-05-29 1991-10-29 Caterpillar Inc. Pilot control circuit for load sensing hydraulic systems
DE10047631A1 (de) * 2000-09-26 2002-04-11 Linde Ag Hydrauliksystem für ein Flurförderzeug
DE10224731A1 (de) * 2001-06-29 2003-01-16 Linde Ag Hydrostatisches Antriebssystem
DE10151831A1 (de) * 2001-10-20 2003-05-08 Still Gmbh Hydraulikanlage für ein Flurförderzeug

Also Published As

Publication number Publication date
DE102009008514B4 (de) 2019-08-14
EP2218675A2 (fr) 2010-08-18
DE102009008514A1 (de) 2010-08-12

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