IN2014CN04500A - - Google Patents

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Publication number
IN2014CN04500A
IN2014CN04500A IN4500CHN2014A IN2014CN04500A IN 2014CN04500 A IN2014CN04500 A IN 2014CN04500A IN 4500CHN2014 A IN4500CHN2014 A IN 4500CHN2014A IN 2014CN04500 A IN2014CN04500 A IN 2014CN04500A
Authority
IN
India
Prior art keywords
flow
steering
hydraulic
control valve
cylinders
Prior art date
Application number
Other languages
English (en)
Inventor
Makoto Ito
Ryo Yamamoto
Kazuto Fujiyama
Hiroyasu Kodera
Shinichiro Tanaka
Original Assignee
Kawasaki Heavy Ind Ltd
Kcm 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 Kawasaki Heavy Ind Ltd, Kcm Kk filed Critical Kawasaki Heavy Ind Ltd
Publication of IN2014CN04500A publication Critical patent/IN2014CN04500A/en

Links

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)
IN4500CHN2014 2011-12-08 2012-11-30 IN2014CN04500A (de)

Applications Claiming Priority (2)

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
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 (1)

Publication Number Publication Date
IN2014CN04500A true IN2014CN04500A (de) 2015-09-11

Family

ID=48573847

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4500CHN2014 IN2014CN04500A (de) 2011-12-08 2012-11-30

Country Status (5)

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

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

Family Cites Families (14)

* 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
JP4446822B2 (ja) * 2004-07-13 2010-04-07 日立建機株式会社 作業車両の油圧駆動装置
JP2006290236A (ja) * 2005-04-13 2006-10-26 Hitachi Constr Mach Co Ltd 油圧駆動装置
KR101382957B1 (ko) * 2006-12-21 2014-04-08 히다찌 겐끼 가부시키가이샤 작업 차량의 스티어링 시스템
JP4941928B2 (ja) * 2006-12-26 2012-05-30 日立建機株式会社 作業車両のステアリングシステム
US8160778B2 (en) 2006-12-26 2012-04-17 Hitachi Construction Machinery Co., Ltd. Steering system for engineering vehicle

Also Published As

Publication number Publication date
JP6001846B2 (ja) 2016-10-05
CN103917431A (zh) 2014-07-09
JP2013119358A (ja) 2013-06-17
US9821840B2 (en) 2017-11-21
US20140318116A1 (en) 2014-10-30
CN103917431B (zh) 2016-03-30
WO2013084456A1 (ja) 2013-06-13

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