WO2008090883A1 - 建設車両用ステアリング装置 - Google Patents

建設車両用ステアリング装置 Download PDF

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Publication number
WO2008090883A1
WO2008090883A1 PCT/JP2008/050807 JP2008050807W WO2008090883A1 WO 2008090883 A1 WO2008090883 A1 WO 2008090883A1 JP 2008050807 W JP2008050807 W JP 2008050807W WO 2008090883 A1 WO2008090883 A1 WO 2008090883A1
Authority
WO
WIPO (PCT)
Prior art keywords
steering
control valve
directional control
steering device
generation means
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.)
Ceased
Application number
PCT/JP2008/050807
Other languages
English (en)
French (fr)
Inventor
Tsuyoshi Nakamura
Kentaro Itoga
Hiroyuki Azuma
Kazunori Nakamura
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
TCM Corp
Original Assignee
Hitachi Construction Machinery Co Ltd
TCM Corp
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, TCM Corp filed Critical Hitachi Construction Machinery Co Ltd
Priority to KR1020097017562A priority Critical patent/KR101382046B1/ko
Priority to US12/523,937 priority patent/US7913801B2/en
Priority to CN2008800030391A priority patent/CN101626940B/zh
Priority to EP08703651.3A priority patent/EP2112052B1/en
Publication of WO2008090883A1 publication Critical patent/WO2008090883A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/22—Alternative steering-control elements, e.g. for teaching purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D12/00—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames
    • 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
    • B62D5/09—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 means for actuating 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
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • 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
    • E02F9/2285—Pilot-operated systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Power Steering Mechanism (AREA)
  • Operation Control Of Excavators (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

【課題】一般車道での走行に好適なだけではなく、現場での作業にも適しており、かつ、信頼性の高いステアリング操作が行える建設車両用ステアリング装置を提供する。 【解決手段】操舵を行う車体屈曲用油圧シリンダ２への圧油の流れを制御する方向切換弁５とハンドル７ａの操作により方向切換弁５へパイロット信号を出力して同弁５を切り換えるハンドル用信号生成手段６とを備えた建設車両用ステアリング装置において、レバー１０ａの操作により方向切換弁５の切換用のパイロット信号を生成する圧力比例電磁弁１２ａ，１２ｂ等からなるレバー用信号生成手段と前記両信号生成手段からのパイロット信号を方向切換弁５へ選択的に出力可能に切り換える選択弁１３ａ，１３ｂとハンドル７ａの操作時にハンドル用信号生成手段６からのパイロット信号を方向切換弁５へ優先的に出力できるように選択弁１３ａ，１３ｂを切り換える自動切換手段とを設けて構成した。
PCT/JP2008/050807 2007-01-25 2008-01-22 建設車両用ステアリング装置 Ceased WO2008090883A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020097017562A KR101382046B1 (ko) 2007-01-25 2008-01-22 건설 차량용 스티어링 장치
US12/523,937 US7913801B2 (en) 2007-01-25 2008-01-22 Steering device for construction vehicle
CN2008800030391A CN101626940B (zh) 2007-01-25 2008-01-22 施工车辆用转向装置
EP08703651.3A EP2112052B1 (en) 2007-01-25 2008-01-22 Steering device for construction vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-015053 2007-01-25
JP2007015053A JP5052147B2 (ja) 2007-01-25 2007-01-25 建設車両用ステアリング装置

Publications (1)

Publication Number Publication Date
WO2008090883A1 true WO2008090883A1 (ja) 2008-07-31

Family

ID=39644459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050807 Ceased WO2008090883A1 (ja) 2007-01-25 2008-01-22 建設車両用ステアリング装置

Country Status (6)

Country Link
US (1) US7913801B2 (ja)
EP (1) EP2112052B1 (ja)
JP (1) JP5052147B2 (ja)
KR (1) KR101382046B1 (ja)
CN (1) CN101626940B (ja)
WO (1) WO2008090883A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011121886A1 (ja) * 2010-03-31 2011-10-06 株式会社Kcm 産業用機械のステアリングシステム及び車体屈折角変更方法
JP2012504077A (ja) * 2008-09-30 2012-02-16 ボルボ コンストラクション イクイップメント アーベー 第１および第２操舵部材を含む油圧操舵システム、ならびに油圧操舵システムを含む車両
WO2013145334A1 (ja) * 2012-03-29 2013-10-03 株式会社小松製作所 ホイールローダのステアリング装置
CN108100033A (zh) * 2018-01-10 2018-06-01 西安合众思壮导航技术有限公司 转向油液分配器

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2450263B1 (en) * 2009-07-02 2015-08-12 Hitachi Construction Machinery Co., Ltd. Transport vehicle
US8397858B2 (en) * 2010-06-04 2013-03-19 Eaton Corporation Hydro-mechanical steering unit with integrated emergency steering capability
US20120217083A1 (en) * 2011-02-28 2012-08-30 Brickner Chad T Steering control system having speed-based centering
WO2014137250A1 (en) 2013-03-06 2014-09-12 Volvo Construction Equipment Ab Pilot pressure control system
CN104029722B (zh) * 2014-01-23 2016-09-07 广西柳工机械股份有限公司 工程机械液压转向系统
EP3315386B1 (en) * 2015-06-23 2020-08-19 Eaton Intelligent Power Limited Steering device for construction/transport/farm machine
WO2018038268A1 (ja) 2016-08-26 2018-03-01 株式会社小松製作所 作業車両および作業車両の制御方法
US10633015B2 (en) 2017-04-14 2020-04-28 Deere & Company Hydraulic steering system
CN108502017A (zh) * 2018-03-29 2018-09-07 镇江市金禄机械有限公司 一种具有转向灵敏度可调的装载机线控转向系统
JP7123821B2 (ja) * 2019-01-31 2022-08-23 日立建機株式会社 作業機械
FR3097832B1 (fr) * 2019-06-26 2022-12-23 Grv Système de direction pour un véhicule agricole à inversion de sens de marche par levier
EP4005360B1 (en) * 2019-07-22 2026-01-28 LS Mtron Ltd. Hydraulic steering device of agricultural work vehicle
EP4374675A3 (en) * 2019-07-22 2024-12-04 LS Mtron Ltd. Hydraulic steering device for agricultural work vehicle
EP4310261A1 (en) * 2022-07-18 2024-01-24 Leica Geosystems Technology A/S A system for handling the seamless transition of breaklines during an excavation task
CN116044849B (zh) * 2023-02-02 2025-10-21 徐州重型机械有限公司 一种液压先导系统及起重机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0867263A (ja) * 1994-06-23 1996-03-12 Shin Caterpillar Mitsubishi Ltd 建設機械における自動直進復帰装置
JP2002512922A (ja) * 1998-04-23 2002-05-08 マンネスマン レックスロート アクチエンゲゼルシヤフト 車両用の、特に可動の作業機械用の、液力式ステアリングシステム
JP2005297924A (ja) * 2004-04-16 2005-10-27 Tcm Corp 産業用車両
JP2005538883A (ja) * 2002-09-13 2005-12-22 ボルボ コンストラクション イクイップメント ホールディング スウェーデン アーベー 車両のかじ取りを制御する方法、装置およびコンピュータ・プログラム製品

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US7721840B2 (en) * 2007-05-11 2010-05-25 Deere & Company Creep steering control system operable from rearward-facing position
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0867263A (ja) * 1994-06-23 1996-03-12 Shin Caterpillar Mitsubishi Ltd 建設機械における自動直進復帰装置
JP2002512922A (ja) * 1998-04-23 2002-05-08 マンネスマン レックスロート アクチエンゲゼルシヤフト 車両用の、特に可動の作業機械用の、液力式ステアリングシステム
JP2005538883A (ja) * 2002-09-13 2005-12-22 ボルボ コンストラクション イクイップメント ホールディング スウェーデン アーベー 車両のかじ取りを制御する方法、装置およびコンピュータ・プログラム製品
JP2005297924A (ja) * 2004-04-16 2005-10-27 Tcm Corp 産業用車両

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012504077A (ja) * 2008-09-30 2012-02-16 ボルボ コンストラクション イクイップメント アーベー 第１および第２操舵部材を含む油圧操舵システム、ならびに油圧操舵システムを含む車両
US8627917B2 (en) 2010-03-31 2014-01-14 Kabushiki Kaisha Kcm Steering system of industrial machine and method of changing body-articulating angle
WO2011121886A1 (ja) * 2010-03-31 2011-10-06 株式会社Kcm 産業用機械のステアリングシステム及び車体屈折角変更方法
KR101318054B1 (ko) * 2010-03-31 2013-10-14 히타치 컨스트럭션 머시너리 가부시키가이샤 산업용 기계의 스티어링 시스템 및 차체 굴절각 변경 방법
CN103648890A (zh) * 2012-03-29 2014-03-19 株式会社小松制作所 轮式装载机的转向装置
JP5362113B1 (ja) * 2012-03-29 2013-12-11 株式会社小松製作所 ホイールローダのステアリング装置
WO2013145334A1 (ja) * 2012-03-29 2013-10-03 株式会社小松製作所 ホイールローダのステアリング装置
US9085319B2 (en) 2012-03-29 2015-07-21 Komatsu Ltd. Steering device for wheel loader
CN103648890B (zh) * 2012-03-29 2016-02-10 株式会社小松制作所 轮式装载机的转向装置
US9309648B2 (en) 2012-03-29 2016-04-12 Komatsu Ltd. Steering device for wheel loader
US9309646B2 (en) 2012-03-29 2016-04-12 Komatsu Ltd. Steering device for wheel loader
US9309647B2 (en) 2012-03-29 2016-04-12 Komatsu Ltd. Steering device for wheel loader
CN105667570A (zh) * 2012-03-29 2016-06-15 株式会社小松制作所 轮式装载机的转向装置
EP2774827A4 (en) * 2012-03-29 2016-08-31 Komatsu Mfg Co Ltd STEERING DEVICE FOR A WHEEL LOADER
CN108100033A (zh) * 2018-01-10 2018-06-01 西安合众思壮导航技术有限公司 转向油液分配器

Also Published As

Publication number Publication date
EP2112052A4 (en) 2013-12-04
CN101626940B (zh) 2012-06-06
EP2112052B1 (en) 2017-12-27
CN101626940A (zh) 2010-01-13
US7913801B2 (en) 2011-03-29
US20100101888A1 (en) 2010-04-29
EP2112052A1 (en) 2009-10-28
KR101382046B1 (ko) 2014-04-04
JP2008179278A (ja) 2008-08-07
JP5052147B2 (ja) 2012-10-17
KR20090103956A (ko) 2009-10-01

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