EP2669527A3 - Hydraulic control block and hydraulic system - Google Patents

Hydraulic control block and hydraulic system Download PDF

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Publication number
EP2669527A3
EP2669527A3 EP13001909.4A EP13001909A EP2669527A3 EP 2669527 A3 EP2669527 A3 EP 2669527A3 EP 13001909 A EP13001909 A EP 13001909A EP 2669527 A3 EP2669527 A3 EP 2669527A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic
control block
ports
pump
hydraulic control
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Withdrawn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
EP13001909.4A
Other languages
German (de)
French (fr)
Other versions
EP2669527A2 (en
Inventor
Frank Helbling
Christoph Müller
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 France SAS
Original Assignee
Liebherr France SAS
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 France SAS filed Critical Liebherr France SAS
Publication of EP2669527A2 publication Critical patent/EP2669527A2/en
Publication of EP2669527A3 publication Critical patent/EP2669527A3/en
Withdrawn legal-status Critical Current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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • 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
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
    • 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
    • F15B2211/41—Flow control characterised by the positions of the valve element
    • F15B2211/411—Flow control characterised by the positions of the valve element the positions being discrete
    • 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
    • F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
    • 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
    • F15B2211/78—Control of multiple output members
    • F15B2211/781—Control of multiple output members one or more output members having priority
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87885—Sectional block structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

Die Erfindung betrifft einen hydraulischen Steuerblock mit wenigstens zwei Druckversorgungskreisen, die jeweils ein oder mehrere hydraulische Verbraucheranschlüsse aufweisen, und mit wenigstens zwei Hydraulikpumpenanschlüssen, wobei eine Ventilanordnung vorgesehen ist, mittels der jeder der wenigstens zwei Pumpenanschlüsse wahlweise einzeln oder in Kombination mit wenigstens einem der übrigen Pumpenanschlüsse wahlweise mit wenigstens einem oder mehreren der Druckversorgungskreise verbindbar ist bzw. sind und weiterhin wenigstens eine Direktanbindung eines Verbraucheranschlusses pro Pumpenanschluss vorgesehen ist.

Figure imgaf001
The invention relates to a hydraulic control block having at least two pressure supply circuits, each having one or more hydraulic load ports, and having at least two hydraulic pump ports, wherein a valve assembly is provided by means of each of the at least two pump ports, either individually or in combination with at least one of the remaining pump ports is selectively connectable with at least one or more of the pressure supply circuits and are still provided and at least one direct connection of a consumer connection per pump connection.
Figure imgaf001
EP13001909.4A 2012-05-31 2013-04-12 Hydraulic control block and hydraulic system Withdrawn EP2669527A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210010847 DE102012010847A1 (en) 2012-05-31 2012-05-31 Hydraulic control block and hydraulic system

Publications (2)

Publication Number Publication Date
EP2669527A2 EP2669527A2 (en) 2013-12-04
EP2669527A3 true EP2669527A3 (en) 2017-03-08

Family

ID=48183982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001909.4A Withdrawn EP2669527A3 (en) 2012-05-31 2013-04-12 Hydraulic control block and hydraulic system

Country Status (5)

Country Link
US (1) US20130319561A1 (en)
EP (1) EP2669527A3 (en)
JP (1) JP2013249954A (en)
CN (1) CN103486103A (en)
DE (1) DE102012010847A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114048B (en) * 2017-06-26 2022-02-22 刘素华 Hydraulic induction conversion automatic control advance and retreat method and hydraulic induction conversion automatic advance and retreat control system

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9889834B2 (en) * 2011-06-29 2018-02-13 Ford Global Technologies, Llc Hydraulic brake assist vacuum maintenance system and method
CN104088836A (en) * 2014-07-06 2014-10-08 上海宏信设备工程有限公司 Combined type oblique cone self-locking hydraulic redundant steel supporting shaft force compensation system
CN104088833A (en) * 2014-07-06 2014-10-08 上海宏信设备工程有限公司 Power supply and hydraulic redundancy oblique cone self-locking axial force compensation system
JP6541545B2 (en) * 2015-10-16 2019-07-10 Ｋｙｂ株式会社 Load sensing circuit and its valve structure
GB201912665D0 (en) 2019-09-03 2019-10-16 Artemis Intelligent Power Ltd Hydraulic apparatus
DE102019132884A1 (en) * 2019-12-03 2021-06-10 Danfoss Scotland Ltd. Hydraulic system with a switch valve block for a hydraulically operated machine
DE102019132845A1 (en) * 2019-12-03 2021-06-10 Danfoss Scotland Ltd. Switch valve block for a hydraulically operated machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335768A1 (en) * 1975-12-19 1977-07-15 Bamford Excavators Ltd FLUIDICALLY CONTROLLED DEVICE, ESPECIALLY FOR PUBLIC WORKS VEHICLES
WO2000055509A1 (en) * 1999-03-18 2000-09-21 Shin Caterpillar Mitsubishi Ltd. Actuator controller
US20080034746A1 (en) * 2005-08-31 2008-02-14 Caterpillar Inc. Combiner valve control system and method
US20110056194A1 (en) * 2009-09-10 2011-03-10 Bucyrus International, Inc. Hydraulic system for heavy equipment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006508311A (en) * 2002-11-29 2006-03-09 ボッシュ レックスロス アーゲー Hydraulic dual circuit system
US7162869B2 (en) * 2003-10-23 2007-01-16 Caterpillar Inc Hydraulic system for a work machine
US7331175B2 (en) * 2005-08-31 2008-02-19 Caterpillar Inc. Hydraulic system having area controlled bypass
US7412827B2 (en) * 2005-09-30 2008-08-19 Caterpillar Inc. Multi-pump control system and method
US8051651B2 (en) * 2007-08-30 2011-11-08 Coneqtec Corp. Hydraulic flow control system
US9032724B2 (en) * 2010-06-21 2015-05-19 Husco International Inc. Command based method for allocating fluid flow from a plurality of pumps to multiple hydraulic functions
US8336232B2 (en) * 2010-09-08 2012-12-25 Caterpillar Inc. Multi-function wheel loader linkage control with optimized power management

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335768A1 (en) * 1975-12-19 1977-07-15 Bamford Excavators Ltd FLUIDICALLY CONTROLLED DEVICE, ESPECIALLY FOR PUBLIC WORKS VEHICLES
WO2000055509A1 (en) * 1999-03-18 2000-09-21 Shin Caterpillar Mitsubishi Ltd. Actuator controller
US20080034746A1 (en) * 2005-08-31 2008-02-14 Caterpillar Inc. Combiner valve control system and method
US20110056194A1 (en) * 2009-09-10 2011-03-10 Bucyrus International, Inc. Hydraulic system for heavy equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114048B (en) * 2017-06-26 2022-02-22 刘素华 Hydraulic induction conversion automatic control advance and retreat method and hydraulic induction conversion automatic advance and retreat control system

Also Published As

Publication number Publication date
EP2669527A2 (en) 2013-12-04
DE102012010847A1 (en) 2013-12-05
CN103486103A (en) 2014-01-01
US20130319561A1 (en) 2013-12-05
JP2013249954A (en) 2013-12-12

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