KR20090009689A - 작업차의 서스펜션 구조 - Google Patents
작업차의 서스펜션 구조 Download PDFInfo
- Publication number
- KR20090009689A KR20090009689A KR1020080026101A KR20080026101A KR20090009689A KR 20090009689 A KR20090009689 A KR 20090009689A KR 1020080026101 A KR1020080026101 A KR 1020080026101A KR 20080026101 A KR20080026101 A KR 20080026101A KR 20090009689 A KR20090009689 A KR 20090009689A
- Authority
- KR
- South Korea
- Prior art keywords
- hydraulic cylinder
- suspension mechanism
- gas
- intermediate position
- target range
- 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
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 97
- 230000000630 rising effect Effects 0.000 claims description 28
- 230000010354 integration Effects 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 53
- 239000010720 hydraulic oil Substances 0.000 description 15
- 230000007935 neutral effect Effects 0.000 description 12
- 238000001514 detection method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/08—Agricultural vehicles
- B60G2300/082—Tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/25—Stroke; Height; Displacement
- B60G2400/252—Stroke; Height; Displacement vertical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
- B60G2500/302—Height or ground clearance using distributor valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims (4)
- 주행용 서스펜션 기구를 갖고 상기 서스펜션 기구의 작동을 기체 상승측 및 기체 하강측으로 변경 가능한 작동 변경부와,상기 서스펜션 기구의 작동의 극대 위치 및 극소 위치를 검출하고, 상기 극대 위치 및 극소 위치 사이의 중간 위치를 검출하는 중간 위치 검출부와,작동 변경부를 조작하는 제어부를 구비하고,상기 제어부가, 상기 중간 위치가 목표 범위로부터 벗어나면, 상기 중간 위치가 상기 목표 범위측으로 이동하도록, 상기 작동 변경부를 조작하는 작업차의 서스펜션 구조.
- 제1항에 있어서, 상기 서스펜션 기구가 유압 실린더에 의해 구성되고, 상기 유압 실린더의 유실에 어큐뮬레이터(accumulator)가 접속되는 동시에,상기 동작 변경부가, 상기 유압 실린더의 유실과 어큐뮬레이터를 접속하는 유로에 접속되어 펌프의 작동유를 급배 가능한 제어 밸브를 갖고, 상기 제어 밸브가 유압 실린더의 유실의 압력 제어를 행함으로써, 상기 서스펜션 기구의 작동이 기체 상승측 및 기체 하강측으로 변경되는 작업차의 서스펜션 구조.
- 주행용 서스펜션 기구를 구비하고, 상기 서스펜션 기구의 작동을 기체 상승측 및 기체 하강측으로 변경 가능한 작동 변경부와,상기 서스펜션 기구의 작동의 극대 위치 및 극소 위치를 검출하고, 상기 극대 및 극소 위치 사이의 중간 위치를 검출하는 중간 위치 검출부와,상기 중간 위치가 목표 범위로부터 벗어나는 횟수를 적산하는 적산부와,상기 작동 변경부를 조작하는 제어부를 구비하고,상기 제어부가, 상기 중간 위치가 목표 범위로부터 벗어나는 횟수가 설정 횟수를 초과하면, 상기 중간 위치가 상기 목표 범위측으로 이동하도록, 상기 작동 변경부를 조작하는 작업차의 서스펜션 구조.
- 제3항에 있어서, 상기 서스펜션 기구가 유압 실린더에 의해 구성되고, 상기 유압 실린더의 유실에 어큐뮬레이터가 접속되는 동시에,상기 동작 변경부가, 상기 유압 실린더의 유실과 어큐뮬레이터를 접속하는 유로에 접속되어 펌프의 작동유를 급배 가능한 제어 밸브를 갖고, 상기 제어 밸브가 유압 실린더의 유실의 압력 제어를 행함으로써, 상기 서스펜션 기구의 작동이 기체 상승측 및 기체 하강측으로 변경되는 작업차의 서스펜션 구조.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007189612A JP4875561B2 (ja) | 2007-07-20 | 2007-07-20 | 作業車のサスペンション構造 |
JPJP-P-2007-00189612 | 2007-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090009689A true KR20090009689A (ko) | 2009-01-23 |
KR100967980B1 KR100967980B1 (ko) | 2010-07-07 |
Family
ID=40158224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080026101A Active KR100967980B1 (ko) | 2007-07-20 | 2008-03-21 | 작업차의 서스펜션 구조 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7845652B2 (ko) |
JP (1) | JP4875561B2 (ko) |
KR (1) | KR100967980B1 (ko) |
CN (2) | CN101348062A (ko) |
FR (1) | FR2918928B1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4875641B2 (ja) * | 2008-02-25 | 2012-02-15 | 株式会社クボタ | 作業車のサスペンション構造 |
JP5457641B2 (ja) * | 2008-04-15 | 2014-04-02 | 株式会社クボタ | 作業車のサスペンション構造 |
JP4979731B2 (ja) * | 2009-03-27 | 2012-07-18 | 株式会社クボタ | 走行車両のサスペンション装置 |
JP6312208B2 (ja) * | 2014-06-27 | 2018-04-18 | 国立研究開発法人農業・食品産業技術総合研究機構 | 作業車両 |
US9428025B2 (en) * | 2014-08-14 | 2016-08-30 | Deere & Company | Axle suspension |
CN104775988A (zh) * | 2015-03-03 | 2015-07-15 | 杭州博洽智能科技有限公司 | 涡旋风风力发电机 |
US11787255B2 (en) * | 2021-09-20 | 2023-10-17 | Caterpillar Inc. | Suspension system with individual ride height and dampening control |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3831969A (en) * | 1971-01-07 | 1974-08-27 | K Lindblom | System for regulating the height of the body of a vehicle above the ground and for inclining the vehicle laterally relative to the vehicle supporting means |
GB1456873A (en) | 1973-06-30 | 1976-12-01 | Nissan Motor | Vehicle having a fluid operated vehicle body level control system |
JPS60185610A (ja) * | 1984-03-02 | 1985-09-21 | Kayaba Ind Co Ltd | 車高制御方法 |
JPS60255515A (ja) | 1984-05-31 | 1985-12-17 | Mitsubishi Motors Corp | 電子制御サスペンシヨン装置 |
JPS6154309A (ja) * | 1984-08-27 | 1986-03-18 | Nhk Spring Co Ltd | 車高調整機能を有する車両用懸架装置 |
US4829436A (en) * | 1987-06-29 | 1989-05-09 | General Motors Corporation | Vehicle air suspension system with accurate side to side leveling |
JPH01141112A (ja) * | 1987-11-27 | 1989-06-02 | Kayaba Ind Co Ltd | 車高調整制御方法 |
US5002942A (en) * | 1988-07-25 | 1991-03-26 | Sankyo Company, Limited | 1,5-benzothiazepine derivatives, their preparation and their use in the treatment of cardiovascular disorders |
JP2528964B2 (ja) * | 1989-03-27 | 1996-08-28 | 日産自動車株式会社 | 能動型サスペンション |
JPH02306813A (ja) * | 1989-05-19 | 1990-12-20 | Suzuki Motor Corp | 車高調整方法 |
JPH0328010A (ja) * | 1989-06-27 | 1991-02-06 | Japan Electron Control Syst Co Ltd | 車両の車高制御装置 |
JPH0332912A (ja) * | 1989-06-30 | 1991-02-13 | Japan Electron Control Syst Co Ltd | 車両の車高制御装置 |
JPH0450015A (ja) * | 1990-06-19 | 1992-02-19 | Mitsubishi Motors Corp | 車両用アクティブサスペンション装置 |
JP3125602B2 (ja) * | 1994-10-07 | 2001-01-22 | トヨタ自動車株式会社 | 車高調整装置 |
KR970000631A (ko) * | 1995-06-30 | 1997-01-21 | 배순훈 | 자동차의 전, 후 차체 높이 보정장치 |
JPH1016528A (ja) | 1996-07-04 | 1998-01-20 | Hino Motors Ltd | 車高調節装置 |
DE19748224B4 (de) | 1997-10-31 | 2005-07-14 | Deere & Company, Moline | Hydropneumatische Achsfederung für angetriebene Fahrzeugachsen |
JP3428414B2 (ja) * | 1998-01-12 | 2003-07-22 | トヨタ自動車株式会社 | 車両の車高調整装置 |
JP4135147B2 (ja) * | 2003-06-05 | 2008-08-20 | いすゞ自動車株式会社 | 車高調整装置 |
DE10331600B4 (de) * | 2003-07-12 | 2012-03-15 | Continental Teves Ag & Co. Ohg | Verfahren zur Niveauregelung für pneumatische Niveauregelanlagen in Kraftfahrzeugen |
-
2007
- 2007-07-20 JP JP2007189612A patent/JP4875561B2/ja active Active
-
2008
- 2008-03-21 KR KR1020080026101A patent/KR100967980B1/ko active Active
- 2008-04-03 US US12/062,162 patent/US7845652B2/en active Active
- 2008-04-11 CN CNA2008100870659A patent/CN101348062A/zh active Pending
- 2008-04-11 CN CN201310361943.2A patent/CN103395352B/zh active Active
- 2008-04-24 FR FR0852749A patent/FR2918928B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
KR100967980B1 (ko) | 2010-07-07 |
CN101348062A (zh) | 2009-01-21 |
US7845652B2 (en) | 2010-12-07 |
US20090020975A1 (en) | 2009-01-22 |
FR2918928A1 (fr) | 2009-01-23 |
FR2918928B1 (fr) | 2016-02-12 |
CN103395352A (zh) | 2013-11-20 |
CN103395352B (zh) | 2015-12-23 |
JP4875561B2 (ja) | 2012-02-15 |
JP2009023547A (ja) | 2009-02-05 |
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