CN103917431B - 油压控制装置及具备该油压控制装置的建筑机械 - Google Patents

油压控制装置及具备该油压控制装置的建筑机械 Download PDF

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Publication number
CN103917431B
CN103917431B CN201280054904.1A CN201280054904A CN103917431B CN 103917431 B CN103917431 B CN 103917431B CN 201280054904 A CN201280054904 A CN 201280054904A CN 103917431 B CN103917431 B CN 103917431B
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CN
China
Prior art keywords
pressure
oil
working oil
steering
port
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.)
Active
Application number
CN201280054904.1A
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English (en)
Chinese (zh)
Other versions
CN103917431A (zh
Inventor
伊藤诚
山本良
藤山和人
小寺裕康
田中真一郎
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
Kawasaki Motors Ltd
Original Assignee
KCM Corp
Kawasaki Jukogyo KK
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 KCM Corp, Kawasaki Jukogyo KK filed Critical KCM Corp
Publication of CN103917431A publication Critical patent/CN103917431A/zh
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Publication of CN103917431B publication Critical patent/CN103917431B/zh
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • B62D5/075—Supply of pressurised fluid for steering also supplying other consumers ; control thereof using priority valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0841—Articulated frame, i.e. having at least one pivot point between two travelling gear units
    • 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
    • E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
    • 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
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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
    • E02F9/2285—Pilot-operated 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
    • E02F9/2278—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
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • 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
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • 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
    • F15B11/167—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load using pilot pressure to sense the demand
    • 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
    • F15B2211/351—Flow control by regulating means in 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
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Power Steering Mechanism (AREA)
CN201280054904.1A 2011-12-08 2012-11-30 油压控制装置及具备该油压控制装置的建筑机械 Active CN103917431B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011269293A JP6001846B2 (ja) 2011-12-08 2011-12-08 油圧制御装置、及びそれを備える建設機械
JP2011-269293 2011-12-08
PCT/JP2012/007710 WO2013084456A1 (ja) 2011-12-08 2012-11-30 油圧制御装置、及びそれを備える建設機械

Publications (2)

Publication Number Publication Date
CN103917431A CN103917431A (zh) 2014-07-09
CN103917431B true CN103917431B (zh) 2016-03-30

Family

ID=48573847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280054904.1A Active CN103917431B (zh) 2011-12-08 2012-11-30 油压控制装置及具备该油压控制装置的建筑机械

Country Status (5)

Country Link
US (1) US9821840B2 (https=)
JP (1) JP6001846B2 (https=)
CN (1) CN103917431B (https=)
IN (1) IN2014CN04500A (https=)
WO (1) WO2013084456A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5809549B2 (ja) * 2011-12-08 2015-11-11 株式会社Kcm 油圧駆動装置
JP6134263B2 (ja) 2013-12-27 2017-05-24 株式会社Kcm 油圧駆動システム
JP6621130B2 (ja) * 2015-02-06 2019-12-18 キャタピラー エス エー アール エル 油圧アクチュエータ制御回路
CN105201944B (zh) * 2015-09-25 2017-10-03 广西柳工机械股份有限公司 流量放大阀及转向液压系统
JP6730798B2 (ja) * 2015-11-17 2020-07-29 ナブテスコ株式会社 油圧駆動装置
ITUB20159570A1 (it) * 2015-12-16 2017-06-16 Walvoil Spa Dispositivo valvolare idraulico a piu' sezioni di lavoro con sistema di controllo della pompa
CN106948404A (zh) * 2017-04-12 2017-07-14 管中林 一种具有多功能的步履挖掘机
JP6858723B2 (ja) * 2018-03-28 2021-04-14 日立建機株式会社 ホイールローダ
CN108953261B (zh) * 2018-09-11 2023-07-11 圣邦集团有限公司 一种履带式收割机液压控制系统及控制方法
JP7106466B2 (ja) * 2019-02-05 2022-07-26 株式会社クボタ 作業車

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1984807A (zh) * 2004-07-13 2007-06-20 日立建机株式会社 作业车辆的液压驱动装置
CN101489853A (zh) * 2006-12-21 2009-07-22 日立建机株式会社 工程车辆的转向系统
CN101516715A (zh) * 2006-12-26 2009-08-26 日立建机株式会社 作业车辆的转向系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970245A (ja) * 1982-10-13 1984-04-20 Daikin Ind Ltd 車両用油圧回路
US4463557A (en) * 1983-08-12 1984-08-07 Deere & Company Open center hydraulic system
JP2688493B2 (ja) * 1988-07-04 1997-12-10 東芝機械株式会社 油圧回路
JPH02107802A (ja) * 1988-08-31 1990-04-19 Hitachi Constr Mach Co Ltd 油圧駆動装置
JPH02193769A (ja) * 1989-01-21 1990-07-31 Yutani Heavy Ind Ltd ステアリング操作感度の切換装置
JPH05164106A (ja) * 1991-12-06 1993-06-29 Iseki & Co Ltd コンバイン等の操向油圧回路
DE4304376C2 (de) * 1993-02-13 1997-08-07 Hydraulik Nord Gmbh Lastmessendes Lenkungssystem
US6769348B2 (en) * 2001-07-03 2004-08-03 Caterpillar Inc Hydraulic system with flow priority function
JP4279734B2 (ja) * 2004-06-22 2009-06-17 カヤバ工業株式会社 産業機械用制御回路
JP2006290236A (ja) * 2005-04-13 2006-10-26 Hitachi Constr Mach Co Ltd 油圧駆動装置
EP2098437B1 (en) * 2006-12-26 2017-11-15 KCM Corporation Steering system for working vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1984807A (zh) * 2004-07-13 2007-06-20 日立建机株式会社 作业车辆的液压驱动装置
CN101489853A (zh) * 2006-12-21 2009-07-22 日立建机株式会社 工程车辆的转向系统
CN101516715A (zh) * 2006-12-26 2009-08-26 日立建机株式会社 作业车辆的转向系统

Also Published As

Publication number Publication date
WO2013084456A1 (ja) 2013-06-13
JP2013119358A (ja) 2013-06-17
IN2014CN04500A (https=) 2015-09-11
US9821840B2 (en) 2017-11-21
US20140318116A1 (en) 2014-10-30
JP6001846B2 (ja) 2016-10-05
CN103917431A (zh) 2014-07-09

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20191118

Address after: Kobe City, Hyogo Prefecture, Japan

Co-patentee after: Hitach Construction Machinery Co., Ltd.

Patentee after: Kawasaki Jukgyo K. K.

Address before: Kobe City, Hyogo Prefecture, Japan

Co-patentee before: KCM K. K.

Patentee before: Kawasaki Jukgyo K. K.

TR01 Transfer of patent right