EP2620657A3 - Valve assembly for a mobile work machine - Google Patents

Valve assembly for a mobile work machine Download PDF

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Publication number
EP2620657A3
EP2620657A3 EP13150234.6A EP13150234A EP2620657A3 EP 2620657 A3 EP2620657 A3 EP 2620657A3 EP 13150234 A EP13150234 A EP 13150234A EP 2620657 A3 EP2620657 A3 EP 2620657A3
Authority
EP
European Patent Office
Prior art keywords
regeneration
spool
valve
working
regenerable
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
EP13150234.6A
Other languages
German (de)
French (fr)
Other versions
EP2620657B1 (en
EP2620657A2 (en
Inventor
Wolfgang Kauss
Guillaume Fremiot
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2620657A2 publication Critical patent/EP2620657A2/en
Publication of EP2620657A3 publication Critical patent/EP2620657A3/en
Application granted granted Critical
Publication of EP2620657B1 publication Critical patent/EP2620657B1/en
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
    • E02F9/2217—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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • 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
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • 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
    • F15B13/021—Valves for interconnecting the fluid chambers of an 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
    • 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
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • 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
    • F15B13/027—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
    • 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
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • F15B2011/0243—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits the regenerative circuit being activated or deactivated automatically
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach 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
    • F15B2211/70—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
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting 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
    • F15B2211/70—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
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F15B2211/7054—Having equal piston areas
    • 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
    • F15B2211/88—Control measures for saving energy

Abstract

Offenbart ist eine Ventilanordnung (1,2) für eine mobile Arbeitsmaschine mit einem Zumess- bzw. Steuerventil (1), über das ein regenerierbarer Anschluss (C2) und ein weiterer Anschluss (C1) eines Verbrauchers - z.B. Arbeitszylinder oder Motor - der mobilen Arbeitsmaschine versorgbar sind. Es ist ein - vorzugsweise gesondertes - Regenerationsventil (2) mit nur zwei Schaltstellungen (ganz offen; ganz geschlossen) vorgesehen, über das Druckmittel vom regenerierbaren Anschluss in einen Tank (6) ableitbar ist. Oberhalb einer vorgegebenen Druckdifferenz zwischen den Anschlüssen ist das Regenerationsventil offen und im Übrigen geschlossen. Ein Haupt- bzw. Steuerschieber (14) des Steuerventils weist eine gemeinsame Regenerations- und Arbeitsstellung auf. Der Steuerschieber hat also keine entlang eines Verschiebeweges des Steuerschiebers von der Regenerationsstellung beabstandete Arbeitsstellung, so dass kein aktives Umschalten zwischen Arbeitsbetrieb und Regernationsbetrieb nötig ist.

Figure imgaf001
Disclosed is a valve arrangement (1,2) for a mobile machine with a metering or control valve (1), via which a regenerable port (C2) and another terminal (C1) of a consumer - eg working cylinder or motor - the mobile machine are available. There is a - preferably separate - regeneration valve (2) with only two switch positions (fully open, fully closed) provided over the pressure medium from the regenerable connection in a tank (6) can be derived. Above a predetermined pressure difference between the terminals, the regeneration valve is open and otherwise closed. A main or spool (14) of the control valve has a common regeneration and working position. The spool thus has no along a displacement path of the spool from the regeneration position spaced working position, so that no active switching between working and Regernationsbetrieb is necessary.
Figure imgaf001
EP13150234.6A 2012-01-27 2013-01-04 Valve assembly for a mobile work machine Active EP2620657B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012001562A DE102012001562A1 (en) 2012-01-27 2012-01-27 Valve arrangement for a mobile work machine

Publications (3)

Publication Number Publication Date
EP2620657A2 EP2620657A2 (en) 2013-07-31
EP2620657A3 true EP2620657A3 (en) 2017-10-04
EP2620657B1 EP2620657B1 (en) 2020-11-11

Family

ID=47594499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13150234.6A Active EP2620657B1 (en) 2012-01-27 2013-01-04 Valve assembly for a mobile work machine

Country Status (3)

Country Link
EP (1) EP2620657B1 (en)
CN (1) CN103225632B (en)
DE (1) DE102012001562A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989851A (en) * 2015-07-07 2015-10-21 安徽凡尔煤矿设备制造有限公司 Inverted-pull push check valve
DE102015216833A1 (en) * 2015-09-03 2017-03-09 Robert Bosch Gmbh One-way valve for a gate valve, method for driving the pilot operated check valve and gate valve with the pilot operated check valve
JP6647826B2 (en) * 2015-09-29 2020-02-14 ナブテスコ株式会社 Directional valve and hydraulic system
DE102016111874A1 (en) * 2016-06-29 2018-01-04 Gustav Klauke Gmbh Method for operating a hydraulically operated hand-held device and hydraulically operated hand-held device
JP6673550B2 (en) * 2016-09-21 2020-03-25 Smc株式会社 Driving method and driving device for fluid pressure cylinder
JP6673551B2 (en) * 2016-09-21 2020-03-25 Smc株式会社 Fluid pressure cylinder
WO2018056037A1 (en) * 2016-09-21 2018-03-29 Smc Corporation Fluid pressure cylinder
JP6467733B1 (en) * 2018-05-21 2019-02-13 Smc株式会社 Method and apparatus for driving fluid pressure cylinder
JP7382792B2 (en) * 2019-10-31 2023-11-17 川崎重工業株式会社 Regeneration device, hydraulic drive system equipped with the same, and control device thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477347A (en) * 1968-05-17 1969-11-11 Gen Signal Corp Hydraulic power circuit affording parallel regeneration paths
EP0206934A1 (en) * 1985-06-20 1986-12-30 Sanyokiki Kabushiki Kaisha A selective control device for plural kinds of oil-hydraulic actuators.
WO2007019712A1 (en) * 2005-08-19 2007-02-22 Bucher Hydraulics Ag Circuit for controlling a double-action hydraulic drive cylinder

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Publication number Priority date Publication date Assignee Title
JPS58118303A (en) * 1981-12-29 1983-07-14 Ishikawajima Harima Heavy Ind Co Ltd Regenerative circuit in fluid pressure circuit
KR100208732B1 (en) * 1996-05-21 1999-07-15 토니헬샴 Control valve for a heavy equipment
JP3527386B2 (en) * 1997-05-12 2004-05-17 新キャタピラー三菱株式会社 Reproduction circuit control device
JP2002061605A (en) 2000-08-17 2002-02-28 Kawasaki Heavy Ind Ltd Regeneration selector valve of hydraulic cylinder
KR100611713B1 (en) * 2004-10-14 2006-08-11 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Hydraulic control valve with regeneration function
KR101144369B1 (en) * 2004-12-22 2012-05-10 두산인프라코어 주식회사 Apparatus for controlling arm of an excavator
DE102006002920A1 (en) 2006-01-20 2007-07-26 Robert Bosch Gmbh Hydraulic load control arrangement for operating tool, has area in which pressurizing medium flows from reverse to forward feed and provided with regeneration, and area of pressurizing medium provided without regeneration
JP5013452B2 (en) * 2007-03-06 2012-08-29 キャタピラー エス エー アール エル Hydraulic control circuit in construction machinery
KR101061192B1 (en) * 2008-10-23 2011-09-01 볼보 컨스트럭션 이큅먼트 에이비 Heavy Equipment Hydraulic Control Valve
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KR101506744B1 (en) * 2008-12-24 2015-03-30 두산인프라코어 주식회사 Hydraulic oil regeneration valve assembly for construction machinery
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CN102296664B (en) * 2011-06-23 2013-06-05 徐州徐工挖掘机械有限公司 Hydraulic driving device of excavator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477347A (en) * 1968-05-17 1969-11-11 Gen Signal Corp Hydraulic power circuit affording parallel regeneration paths
EP0206934A1 (en) * 1985-06-20 1986-12-30 Sanyokiki Kabushiki Kaisha A selective control device for plural kinds of oil-hydraulic actuators.
WO2007019712A1 (en) * 2005-08-19 2007-02-22 Bucher Hydraulics Ag Circuit for controlling a double-action hydraulic drive cylinder

Also Published As

Publication number Publication date
CN103225632B (en) 2020-02-21
CN103225632A (en) 2013-07-31
EP2620657B1 (en) 2020-11-11
DE102012001562A1 (en) 2013-08-01
EP2620657A2 (en) 2013-07-31

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