CN1262166C - 水田作业机 - Google Patents

水田作业机 Download PDF

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Publication number
CN1262166C
CN1262166C CNB021480419A CN02148041A CN1262166C CN 1262166 C CN1262166 C CN 1262166C CN B021480419 A CNB021480419 A CN B021480419A CN 02148041 A CN02148041 A CN 02148041A CN 1262166 C CN1262166 C CN 1262166C
Authority
CN
China
Prior art keywords
valve
aforementioned
pressure
oil
oil circuit
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 - Fee Related
Application number
CNB021480419A
Other languages
English (en)
Chinese (zh)
Other versions
CN1475098A (zh
Inventor
木村浩人
安田真
高冈学
服部彰夫
林宏明
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.)
KUBOTA SEIKI CORP
Kubota Corp
Original Assignee
KUBOTA SEIKI CORP
Kubota 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 KUBOTA SEIKI CORP, Kubota Corp filed Critical KUBOTA SEIKI CORP
Publication of CN1475098A publication Critical patent/CN1475098A/zh
Application granted granted Critical
Publication of CN1262166C publication Critical patent/CN1262166C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C11/00—Transplanting machines
    • A01C11/02—Transplanting machines for seedlings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/05—Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Transplanting Machines (AREA)
  • Fluid-Pressure Circuits (AREA)
CNB021480419A 2002-08-12 2002-10-23 水田作业机 Expired - Fee Related CN1262166C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002234847A JP3776067B2 (ja) 2002-08-12 2002-08-12 水田作業機の昇降装置
JP234847/02 2002-08-12
JP234847/2002 2002-08-12

Publications (2)

Publication Number Publication Date
CN1475098A CN1475098A (zh) 2004-02-18
CN1262166C true CN1262166C (zh) 2006-07-05

Family

ID=31492462

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021480419A Expired - Fee Related CN1262166C (zh) 2002-08-12 2002-10-23 水田作业机

Country Status (3)

Country Link
JP (1) JP3776067B2 (ja)
KR (1) KR100460649B1 (ja)
CN (1) CN1262166C (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100730666B1 (ko) * 2005-09-05 2007-06-21 가부시끼 가이샤 구보다 보행형 수전 작업기
JP4996291B2 (ja) * 2007-03-17 2012-08-08 三菱農機株式会社 乗用移植機
DE102011014685A1 (de) * 2011-03-22 2012-09-27 Linde Material Handling Gmbh Hydraulische Steuerventileinrichtung
JP5957735B2 (ja) * 2012-06-28 2016-07-27 株式会社 神崎高級工機製作所 コンバインの刈取部昇降用油圧回路
KR101417630B1 (ko) 2013-04-17 2014-07-09 엘에스엠트론 주식회사 농업용 트랙터 작업기의 운전 상태에 따른 업다운 모드 선택 방법
CN105422525B (zh) * 2015-11-12 2017-09-05 杭州精工液压机电制造有限公司 农耕机械的三点悬挂机构水平控制系统
JP6726125B2 (ja) * 2016-03-28 2020-07-22 ヤンマーパワーテクノロジー株式会社 水田作業機
CN106050768A (zh) * 2016-06-30 2016-10-26 江苏大学 一种拖拉机电液悬挂系统
CN107152426B (zh) * 2017-05-19 2018-07-24 青神格林维尔流体动力控制技术有限公司 一种钢筋弯曲机液压插装式集成块
CN107131168A (zh) * 2017-05-19 2017-09-05 青神格林维尔流体动力控制技术有限公司 一种差动油缸控制的插装式集成块
CN107178532A (zh) * 2017-05-19 2017-09-19 青神格林维尔流体动力控制技术有限公司 一种压缩机系统插装式集成块
CN107642517B (zh) * 2017-10-29 2019-12-06 日照轻创知识产权服务中心 一种农业机械用气缸行程受阻控制装置
JP7044693B2 (ja) * 2018-12-26 2022-03-30 株式会社クボタ 水田作業機
CN114916296B (zh) * 2022-05-17 2023-11-17 扬州大学 一种蔬菜穴盘苗自动分苗栽植装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0234102A (ja) * 1988-07-25 1990-02-05 Goyo Sangyo Kk パラソル
JP3242535B2 (ja) * 1994-09-16 2001-12-25 株式会社 神崎高級工機製作所 作業機の昇降速度制御装置
JPH08130941A (ja) * 1994-11-09 1996-05-28 Kubota Corp 田植機
JPH08331943A (ja) * 1995-06-09 1996-12-17 Kubota Corp 田植機
JP3346919B2 (ja) * 1994-11-09 2002-11-18 株式会社クボタ 作業車の対地作業装置昇降構造
JP3659859B2 (ja) * 2000-03-31 2005-06-15 株式会社クボタ 水田作業機
JP2001275410A (ja) * 2000-03-31 2001-10-09 Kubota Corp 水田作業機
JP2001169624A (ja) * 2000-11-02 2001-06-26 Kubota Corp 農作業機

Also Published As

Publication number Publication date
JP2004073029A (ja) 2004-03-11
CN1475098A (zh) 2004-02-18
JP3776067B2 (ja) 2006-05-17
KR100460649B1 (ko) 2004-12-09
KR20040014897A (ko) 2004-02-18

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060705

Termination date: 20161023

CF01 Termination of patent right due to non-payment of annual fee