DE112018002268T5 - Fahrmotor-Schaltventil, Fahrmotor und Baumaschine - Google Patents

Fahrmotor-Schaltventil, Fahrmotor und Baumaschine Download PDF

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Publication number
DE112018002268T5
DE112018002268T5 DE112018002268.4T DE112018002268T DE112018002268T5 DE 112018002268 T5 DE112018002268 T5 DE 112018002268T5 DE 112018002268 T DE112018002268 T DE 112018002268T DE 112018002268 T5 DE112018002268 T5 DE 112018002268T5
Authority
DE
Germany
Prior art keywords
chamber
traction motor
working
valve
working position
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.)
Pending
Application number
DE112018002268.4T
Other languages
German (de)
English (en)
Inventor
Bin Zhao
Chuanyu Wu
Yang Li
David Prust
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.)
Construction Machinery Branch of XCMG
Original Assignee
Construction Machinery Branch of XCMG
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 Construction Machinery Branch of XCMG filed Critical Construction Machinery Branch of XCMG
Publication of DE112018002268T5 publication Critical patent/DE112018002268T5/de
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2062—Control of propulsion units
    • E02F9/207—Control of propulsion units of the type electric propulsion units, e.g. electric motors or generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K99/00—Subject matter not provided for in other groups of this subclass
    • H02K99/20—Motors
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/526—Pressure control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6658—Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/75—Control of speed of the output member
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/76—Control of force or torque of the output member
    • F15B2211/763—Control of torque of the output member by means of a variable capacity motor, i.e. by a secondary control on the motor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Hydraulic Motors (AREA)
  • Control Of Fluid Gearings (AREA)
DE112018002268.4T 2017-12-01 2018-03-15 Fahrmotor-Schaltventil, Fahrmotor und Baumaschine Pending DE112018002268T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201711246964.4A CN107795538B (zh) 2017-12-01 2017-12-01 行走马达换挡阀、行走马达和工程机械
CN201711246964.4 2017-12-01
PCT/CN2018/079068 WO2018188449A1 (zh) 2017-12-01 2018-03-15 行走马达换挡阀、行走马达和工程机械

Publications (1)

Publication Number Publication Date
DE112018002268T5 true DE112018002268T5 (de) 2020-02-20

Family

ID=61538291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112018002268.4T Pending DE112018002268T5 (de) 2017-12-01 2018-03-15 Fahrmotor-Schaltventil, Fahrmotor und Baumaschine

Country Status (5)

Country Link
JP (1) JP7162659B2 (ko)
KR (1) KR102273877B1 (ko)
CN (1) CN107795538B (ko)
DE (1) DE112018002268T5 (ko)
WO (1) WO2018188449A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795538B (zh) * 2017-12-01 2023-09-08 江苏徐工工程机械研究院有限公司 行走马达换挡阀、行走马达和工程机械
CN110017309B (zh) * 2019-04-12 2020-04-17 江苏汇智高端工程机械创新中心有限公司 一种兼具手动和自动换挡功能的行走马达速度控制系统
CN110374951A (zh) * 2019-06-27 2019-10-25 杭州力龙液压有限公司 变速阀、行走马达及工程机械
CN110410531A (zh) * 2019-07-18 2019-11-05 圣邦集团有限公司 一种液压多路阀

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806267A1 (de) * 1987-03-07 1988-09-15 Volkswagen Ag Elektrisch ansteuerbares, hydraulisches druckregelventil
EP1172325A3 (en) * 2000-07-13 2002-04-17 Kobelco Construction Machinery Co., Ltd. Control device for hydraulic drive winch
JP3794960B2 (ja) 2001-03-15 2006-07-12 ナブテスコ株式会社 流体モータの駆動回路
JP5389461B2 (ja) * 2008-03-05 2014-01-15 ナブテスコ株式会社 液圧モータ
JP2009047312A (ja) * 2008-10-06 2009-03-05 Yanmar Co Ltd 掘削旋回作業車の油圧装置
DE102010061362B4 (de) * 2010-12-20 2022-12-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Umschaltventil und Verbrennungsmotor mit einem derartigen Umschaltventil
JP2015004369A (ja) * 2013-06-19 2015-01-08 コベルコ建機株式会社 油圧モータの制御装置
CN103438044A (zh) * 2013-09-12 2013-12-11 上海三一重机有限公司 一种减少高低速切换频率的结构及机械车辆
CN103741576B (zh) * 2013-12-30 2016-01-20 徐州徐工筑路机械有限公司 一种小型路面铣刨机行走控制系统
CN204755442U (zh) * 2014-12-17 2015-11-11 博世力士乐（北京）液压有限公司 用于控制斜盘柱塞式液压行走马达的斜盘摆角的自动换挡阀
CN205243996U (zh) * 2015-12-17 2016-05-18 中船重工重庆液压机电有限公司 一种车辆行走液压马达的自动排量切换装置
KR101761028B1 (ko) * 2015-12-18 2017-07-24 주식회사 두산 속도전환밸브 및 이를 포함하는 건설기계
US9856931B2 (en) * 2016-02-29 2018-01-02 GM Global Technology Operations LLC Hydraulic control system
CN206015753U (zh) * 2016-03-29 2017-03-15 山推工程机械股份有限公司 一种推土机行走操纵系统
CN105889574B (zh) * 2016-06-13 2018-04-03 杭州前进齿轮箱集团股份有限公司 一种双拉杆式带切断功能的变速箱用操纵阀
CN107795538B (zh) * 2017-12-01 2023-09-08 江苏徐工工程机械研究院有限公司 行走马达换挡阀、行走马达和工程机械
CN207795715U (zh) * 2017-12-01 2018-08-31 徐工集团工程机械有限公司 行走马达换挡阀、行走马达和工程机械

Also Published As

Publication number Publication date
KR102273877B1 (ko) 2021-07-06
WO2018188449A1 (zh) 2018-10-18
CN107795538B (zh) 2023-09-08
JP7162659B2 (ja) 2022-10-28
JP2020523521A (ja) 2020-08-06
KR20200060502A (ko) 2020-05-29
CN107795538A (zh) 2018-03-13

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