DE50001872D1 - Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine - Google Patents

Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine

Info

Publication number
DE50001872D1
DE50001872D1 DE50001872T DE50001872T DE50001872D1 DE 50001872 D1 DE50001872 D1 DE 50001872D1 DE 50001872 T DE50001872 T DE 50001872T DE 50001872 T DE50001872 T DE 50001872T DE 50001872 D1 DE50001872 D1 DE 50001872D1
Authority
DE
Germany
Prior art keywords
hydraulic
main line
hydraulic cylinder
valve assembly
load
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
DE50001872T
Other languages
English (en)
Inventor
Alfred Breunig
Joerg Gruenert
Edwin Harnischfeger
Georg Rausch
Dieter Roth
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.)
Bosch Rexroth AG
Original Assignee
Bosch Rexroth 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 Bosch Rexroth AG filed Critical Bosch Rexroth AG
Priority to DE50001872T priority Critical patent/DE50001872D1/de
Application granted granted Critical
Publication of DE50001872D1 publication Critical patent/DE50001872D1/de
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
    • 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
    • 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
    • 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
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • 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
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/30505—Non-return valves, i.e. check 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
    • F15B2211/30—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
    • F15B2211/30555—Inlet and outlet of the pressure compensating valve being connected to the 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid 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
    • F15B2211/35—Directional control combined with flow 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
    • F15B2211/40—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
    • F15B2211/50—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
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
DE50001872T 1999-03-26 2000-03-15 Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine Expired - Fee Related DE50001872D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50001872T DE50001872D1 (de) 1999-03-26 2000-03-15 Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19913784A DE19913784A1 (de) 1999-03-26 1999-03-26 Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine
DE50001872T DE50001872D1 (de) 1999-03-26 2000-03-15 Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine
PCT/EP2000/002263 WO2000058570A1 (de) 1999-03-26 2000-03-15 Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine

Publications (1)

Publication Number Publication Date
DE50001872D1 true DE50001872D1 (de) 2003-05-28

Family

ID=7902531

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19913784A Withdrawn DE19913784A1 (de) 1999-03-26 1999-03-26 Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine
DE50001872T Expired - Fee Related DE50001872D1 (de) 1999-03-26 2000-03-15 Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19913784A Withdrawn DE19913784A1 (de) 1999-03-26 1999-03-26 Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine

Country Status (4)

Country Link
EP (1) EP1165895B1 (de)
AT (1) ATE238465T1 (de)
DE (2) DE19913784A1 (de)
WO (1) WO2000058570A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7204086B2 (en) 2000-05-25 2007-04-17 J.C Bamford Excavators Limited Method of operating a hydraulic system for a loader machine
GB2365407B (en) * 2000-05-25 2003-10-08 Bamford Excavators Ltd Hydraulic system for wheeled loader
DE10063101C2 (de) * 2000-12-18 2003-04-17 Log Hydraulik Gmbh Hydraulikanordnung für Fahrzeuge
DE10148962C1 (de) * 2001-10-04 2003-02-27 Hydac Technology Gmbh Steuervorrichtung
DE10253131B4 (de) * 2002-10-31 2014-03-13 Linde Hydraulics Gmbh & Co. Kg Zylinderanbauventil
WO2005035883A1 (ja) * 2003-10-10 2005-04-21 Komatsu Ltd. 作業車両の走行振動抑制装置
DE10355329A1 (de) * 2003-11-27 2005-06-23 Bosch Rexroth Ag Hydraulische Steueranordnung
DE102004010053A1 (de) * 2004-03-02 2005-09-29 Hydac System Gmbh Federungsvorrichtung
DE102004044244A1 (de) * 2004-09-14 2006-03-30 Hydac System Gmbh Federungssystem
EP1872017A1 (de) * 2005-03-15 2008-01-02 Mark R. Miskin Hydraulische hebehilfe für eine von einem ackerschlepper gezogene erdbaumaschine
EP1964982A1 (de) * 2007-03-01 2008-09-03 Caterpillar, Inc. Druckflüssigkeitssystem und Verfahren zur dessen Benutzung.
FR2918684B1 (fr) * 2007-07-10 2012-08-03 Etude Et D Innovation Dans Le Materiel Agricole Soc D Circuit de commande hydraulique d'un verin de levage a double effet
DE102008057723A1 (de) * 2008-11-07 2010-05-12 Hydac System Gmbh Vorrichtung zum Ausgleich hydraulischer Wirkdrücke
JP5368943B2 (ja) * 2009-11-10 2013-12-18 川崎重工業株式会社 油圧制御装置
CN102139830B (zh) * 2011-01-27 2012-11-07 天津山河装备开发有限公司 适用于履带式起重机负载敏感双功率控制装置
DE102011106715A1 (de) * 2011-07-06 2013-01-10 Linde Material Handling Gmbh Hydrostatisches Antriebssystem
CN105840571B (zh) * 2015-01-16 2017-11-21 徐工集团工程机械股份有限公司 负载敏感多路阀换向联阀体及负载敏感多路阀换向联
EP3321515A1 (de) * 2016-11-09 2018-05-16 AGCO International GmbH Hydraulikzylinderversorgungssystem
GB201807828D0 (en) 2018-05-15 2018-06-27 Agco Int Gmbh Hydraulic cylinder supply system
CN112648244B (zh) * 2021-02-19 2022-06-14 太原理工大学 泵阀协同多执行器电液系统及其控制方法
DE102021208932B3 (de) 2021-08-16 2022-12-29 Robert Bosch Gesellschaft mit beschränkter Haftung Stabilisierungsmodul

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3909205C1 (de) 1989-03-21 1990-05-23 Hanomag Ag, 3000 Hannover, De
JP2602728B2 (ja) * 1990-03-31 1997-04-23 東洋運搬機株式会社 車両のダイナミックダンパー
FR2689575B1 (fr) 1992-04-06 1994-07-08 Rexroth Sigma Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs.
US5733095A (en) 1996-10-01 1998-03-31 Caterpillar Inc. Ride control system
DE19714141A1 (de) * 1997-04-05 1998-10-08 Mannesmann Rexroth Ag Hydraulische Steueranordnung
SE511039C2 (sv) * 1997-09-30 1999-07-26 Volvo Wheel Loaders Ab Lastarmsfjädringssystem för dämpning av lastarmarsrörelse

Also Published As

Publication number Publication date
EP1165895B1 (de) 2003-04-23
ATE238465T1 (de) 2003-05-15
EP1165895A1 (de) 2002-01-02
DE19913784A1 (de) 2000-09-28
WO2000058570A1 (de) 2000-10-05

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