DE60032732D1 - Rohrbruch steuerventil vorrichtung - Google Patents

Rohrbruch steuerventil vorrichtung

Info

Publication number
DE60032732D1
DE60032732D1 DE60032732T DE60032732T DE60032732D1 DE 60032732 D1 DE60032732 D1 DE 60032732D1 DE 60032732 T DE60032732 T DE 60032732T DE 60032732 T DE60032732 T DE 60032732T DE 60032732 D1 DE60032732 D1 DE 60032732D1
Authority
DE
Germany
Prior art keywords
control valve
valve device
breakthrough control
breakthrough
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.)
Expired - Lifetime
Application number
DE60032732T
Other languages
English (en)
Other versions
DE60032732T2 (de
Inventor
Masao Kariya
Genroku Sugiyama
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Application granted granted Critical
Publication of DE60032732D1 publication Critical patent/DE60032732D1/de
Publication of DE60032732T2 publication Critical patent/DE60032732T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E02F9/24—Safety devices, e.g. for preventing overload
    • 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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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
    • F15B11/003—Systems with load-holding 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst
    • 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
    • F15B2211/30515—Load holding 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
    • 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
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open 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
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single 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
    • F15B2211/30—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
    • F15B2211/40—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
    • F15B2211/428—Flow 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out 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
    • F15B2211/50—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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/863—Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure
    • F15B2211/8636—Circuit failure, e.g. valve or hose failure
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7726—Responsive to change in rate of flow
    • Y10T137/7727—Excessive flow cut-off

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
DE2000632732 1999-10-20 2000-10-18 Rohrbruch steuerventil vorrichtung Expired - Lifetime DE60032732T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29838899 1999-10-20
JP29838899 1999-10-20
PCT/JP2000/007210 WO2001029430A1 (fr) 1999-10-20 2000-10-18 Appareil de vanne de commande a rupture de conduit

Publications (2)

Publication Number Publication Date
DE60032732D1 true DE60032732D1 (de) 2007-02-15
DE60032732T2 DE60032732T2 (de) 2007-10-25

Family

ID=17859066

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000632732 Expired - Lifetime DE60032732T2 (de) 1999-10-20 2000-10-18 Rohrbruch steuerventil vorrichtung

Country Status (6)

Country Link
US (1) US6409142B1 (de)
EP (1) EP1143151B1 (de)
KR (1) KR100395893B1 (de)
CN (1) CN1205418C (de)
DE (1) DE60032732T2 (de)
WO (1) WO2001029430A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4473322B2 (ja) 2008-03-31 2010-06-02 株式会社カワサキプレシジョンマシナリ ホールディングコントロール弁
JP5671610B2 (ja) * 2010-05-17 2015-02-18 ボルボ コンストラクション イクイップメント アーベー 建設機械の油圧制御弁
US9482214B2 (en) * 2011-04-19 2016-11-01 Volvo Construction Equipment Ab Hydraulic circuit for controlling booms of construction equipment
DE102011116328A1 (de) * 2011-04-23 2012-10-25 Robert Bosch Gmbh Pressenblock
CN102168699B (zh) * 2011-04-27 2013-08-07 杭州和利时自动化有限公司 一种液压遮断阀
FI124576B (en) * 2012-10-18 2014-10-31 Wärtsilä Finland Oy The gas exchange valve arrangement
JP5948260B2 (ja) 2013-01-24 2016-07-06 Ｋｙｂ株式会社 流体圧制御装置
DE102013206977A1 (de) * 2013-04-18 2014-11-06 Robert Bosch Gmbh Stromregelventilbaugruppe
JP6155159B2 (ja) * 2013-10-11 2017-06-28 Ｋｙｂ株式会社 ハイブリッド建設機械の制御システム
JP6182447B2 (ja) * 2013-12-11 2017-08-16 Ｋｙｂ株式会社 流体圧制御装置
US10480494B2 (en) 2015-06-29 2019-11-19 Carlisle Fluid Technologies, Inc. Runaway valve system for a pump
CN205154812U (zh) * 2015-10-28 2016-04-13 民航协发机场设备有限公司 双向行驶摆渡车锁桥液压***
DE102015221713A1 (de) * 2015-11-05 2017-05-11 Robert Bosch Gmbh Rohrbruchsicherung mit zwei hydraulischen Ansteuerungen
CN108331948B (zh) * 2018-01-23 2023-05-16 中国长江电力股份有限公司 先导式爆管截流阀及控制方法
JP7216074B2 (ja) * 2018-03-22 2023-01-31 住友重機械工業株式会社 ショベル
JP7245055B2 (ja) * 2019-01-11 2023-03-23 川崎重工業株式会社 油圧駆動システム
RU2743217C1 (ru) * 2020-09-02 2021-02-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) Система защиты гидропривода
EP4030067A1 (de) * 2021-01-15 2022-07-20 XCMG European Research Center GmbH Hydrauliksteuerung für hydraulische maschinen

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471797A (en) * 1982-03-19 1984-09-18 Parker-Hannifin Corporation Hydraulic circuit breaker reset device
US4471806A (en) * 1982-06-14 1984-09-18 Strock Dennis J Fuel delivery system having thermal contraction compensation
SE459270B (sv) * 1985-02-26 1989-06-19 Bahco Hydrauto Ab Ventilarrangemang foer styrning av tryckmediumfloede genom en tryckmediumledning
US4732190A (en) * 1986-02-26 1988-03-22 Polselli James V Shut-off valve and method for using same
DE3626958A1 (de) 1986-03-03 1987-09-10 Paul Couwenbergs Rollstein und aus rollsteinen zusammengesetzte rollbahn
SE459271B (sv) * 1987-10-27 1989-06-19 Bahco Hydrauto Ab Tryckmediumventil
JPH01133503U (de) * 1988-03-03 1989-09-12
JPH0291201U (de) * 1988-12-28 1990-07-19
JP2960743B2 (ja) 1990-02-28 1999-10-12 日立建機株式会社 油圧駆動装置
LU87831A1 (de) * 1990-10-31 1991-02-18 Hydrolux Sarl Einstellbares proportional-drosselventil mit rueckfuehrung
US5137254A (en) * 1991-09-03 1992-08-11 Caterpillar Inc. Pressure compensated flow amplifying poppet valve
US5207059A (en) 1992-01-15 1993-05-04 Caterpillar Inc. Hydraulic control system having poppet and spool type valves
JP3187155B2 (ja) * 1992-07-27 2001-07-11 カヤバ工業株式会社 制御弁装置
US5645263A (en) 1993-10-04 1997-07-08 Caterpillar Inc. Pilot valve for a flow amplyifying poppet valve
JP3720490B2 (ja) 1996-10-08 2005-11-30 キヤノン株式会社 能動的除振装置
JP3685923B2 (ja) 1998-04-21 2005-08-24 日立建機株式会社 配管破断制御弁装置

Also Published As

Publication number Publication date
EP1143151A4 (de) 2006-04-19
CN1327521A (zh) 2001-12-19
WO2001029430A1 (fr) 2001-04-26
US6409142B1 (en) 2002-06-25
KR100395893B1 (ko) 2003-08-27
EP1143151A1 (de) 2001-10-10
EP1143151B1 (de) 2007-01-03
KR20010086129A (ko) 2001-09-07
DE60032732T2 (de) 2007-10-25
CN1205418C (zh) 2005-06-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition