EP1793050A3 - Cylindre hydraulique avec amortissement de fin de course. - Google Patents

Cylindre hydraulique avec amortissement de fin de course. Download PDF

Info

Publication number
EP1793050A3
EP1793050A3 EP20060017903 EP06017903A EP1793050A3 EP 1793050 A3 EP1793050 A3 EP 1793050A3 EP 20060017903 EP20060017903 EP 20060017903 EP 06017903 A EP06017903 A EP 06017903A EP 1793050 A3 EP1793050 A3 EP 1793050A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinder
stroke end
end damping
hydraulic
throttle 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.)
Granted
Application number
EP20060017903
Other languages
German (de)
English (en)
Other versions
EP1793050A2 (fr
EP1793050B1 (fr
Inventor
Michael Stucke
Oliver Schwenkkrauss
Hans-Peter Lavergne
Thomas Zitterbart
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.)
Liebherr Hydraulikbagger GmbH
Original Assignee
Liebherr Hydraulikbagger 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 Liebherr Hydraulikbagger GmbH filed Critical Liebherr Hydraulikbagger GmbH
Publication of EP1793050A2 publication Critical patent/EP1793050A2/fr
Publication of EP1793050A3 publication Critical patent/EP1793050A3/fr
Application granted granted Critical
Publication of EP1793050B1 publication Critical patent/EP1793050B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2214—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing the shock generated at the stroke end
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
    • F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration 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
    • 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
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • 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
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/421—Flow control characterised by the type of actuation mechanically
    • F15B2211/424—Flow control characterised by the type of actuation mechanically actuated by an output member of the circuit
    • 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
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in 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
    • F15B2211/755—Control of acceleration or deceleration 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/85—Control during special operating conditions
    • F15B2211/853—Control during special operating conditions during stopping

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
EP06017903.3A 2005-12-05 2006-08-28 Cylindre hydraulique avec amortissement de fin de course. Active EP1793050B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520018999 DE202005018999U1 (de) 2005-12-05 2005-12-05 Hydraulikzylinder mit Endlagendämpfung

Publications (3)

Publication Number Publication Date
EP1793050A2 EP1793050A2 (fr) 2007-06-06
EP1793050A3 true EP1793050A3 (fr) 2011-08-03
EP1793050B1 EP1793050B1 (fr) 2015-10-14

Family

ID=37600749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06017903.3A Active EP1793050B1 (fr) 2005-12-05 2006-08-28 Cylindre hydraulique avec amortissement de fin de course.

Country Status (2)

Country Link
EP (1) EP1793050B1 (fr)
DE (1) DE202005018999U1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465519A (en) * 1967-08-18 1969-09-09 Webster Electric Co Inc Hydraulic flow controlling apparatus
EP0604332A1 (fr) * 1992-12-22 1994-06-29 Hydromo Procédé et dispositif pour la mise en mouvement ou l'arrêt d'un moteur hydraulique entraînant un ensemble présentant une grande inertie
US5477678A (en) * 1989-06-26 1995-12-26 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit system
US20040226292A1 (en) * 2003-05-13 2004-11-18 Sauer-Danfoss Inc. Method of controlling a swinging boom and apparatus for controlling the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB519321A (en) * 1937-09-29 1940-03-21 Vickers Inc Improvements in hydraulic feed control system
JPS57161307A (en) * 1981-09-28 1982-10-04 Amada Co Ltd Adjusting device of stroke in cylinder mechanism
US4915014A (en) * 1985-05-08 1990-04-10 Deere & Company Disk harrow hydraulic wing balancing system
SE517901C2 (sv) * 2000-08-15 2002-07-30 Parker Hannifin Ab Styrsystem för pneumatiska drivanordningar
DE20114538U1 (de) * 2001-09-03 2001-10-31 Kuepper Weisser Gmbh Hydrauliksystem für die Eigengewichtsentlastung von Anbaugeräten
ITMO20030129A1 (it) * 2003-05-07 2004-11-08 Fluid S R L G Elemento valvolare per fluidodinamica, in particolare di tipo unidirezionale, strozzatore pilotato regolabile.
DE10331216B3 (de) * 2003-07-10 2004-09-09 Hydac System Gmbh Fluidkühlvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465519A (en) * 1967-08-18 1969-09-09 Webster Electric Co Inc Hydraulic flow controlling apparatus
US5477678A (en) * 1989-06-26 1995-12-26 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit system
EP0604332A1 (fr) * 1992-12-22 1994-06-29 Hydromo Procédé et dispositif pour la mise en mouvement ou l'arrêt d'un moteur hydraulique entraînant un ensemble présentant une grande inertie
US20040226292A1 (en) * 2003-05-13 2004-11-18 Sauer-Danfoss Inc. Method of controlling a swinging boom and apparatus for controlling the same

Also Published As

Publication number Publication date
EP1793050A2 (fr) 2007-06-06
DE202005018999U1 (de) 2007-04-12
EP1793050B1 (fr) 2015-10-14

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