JP6886381B2 - 液圧システム - Google Patents

液圧システム Download PDF

Info

Publication number
JP6886381B2
JP6886381B2 JP2017190723A JP2017190723A JP6886381B2 JP 6886381 B2 JP6886381 B2 JP 6886381B2 JP 2017190723 A JP2017190723 A JP 2017190723A JP 2017190723 A JP2017190723 A JP 2017190723A JP 6886381 B2 JP6886381 B2 JP 6886381B2
Authority
JP
Japan
Prior art keywords
supply line
pressure
pump
side supply
rod
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.)
Active
Application number
JP2017190723A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019065936A5 (enExample
JP2019065936A (ja
Inventor
哲弘 近藤
哲弘 近藤
広明 三井
広明 三井
敏久 豊田
敏久 豊田
治生 山田
治生 山田
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.)
Kawasaki Motors Ltd
Original Assignee
Kawasaki Jukogyo 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 Jukogyo KK filed Critical Kawasaki Jukogyo KK
Priority to JP2017190723A priority Critical patent/JP6886381B2/ja
Priority to CN201880062585.6A priority patent/CN111108292B/zh
Priority to PCT/JP2018/035102 priority patent/WO2019065510A1/ja
Priority to GB2006245.1A priority patent/GB2581683B/en
Priority to US16/652,134 priority patent/US10907659B2/en
Publication of JP2019065936A publication Critical patent/JP2019065936A/ja
Publication of JP2019065936A5 publication Critical patent/JP2019065936A5/ja
Application granted granted Critical
Publication of JP6886381B2 publication Critical patent/JP6886381B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005—With rotary or crank input
    • F15B7/006—Rotary pump input
    • 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
    • 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
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • F15B11/055—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive by adjusting the pump output or bypass
    • 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
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/27—Directional control by means of the pressure source
    • 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
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/3051—Cross-check valves
    • 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
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
JP2017190723A 2017-09-29 2017-09-29 液圧システム Active JP6886381B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017190723A JP6886381B2 (ja) 2017-09-29 2017-09-29 液圧システム
CN201880062585.6A CN111108292B (zh) 2017-09-29 2018-09-21 液压系统
PCT/JP2018/035102 WO2019065510A1 (ja) 2017-09-29 2018-09-21 液圧システム
GB2006245.1A GB2581683B (en) 2017-09-29 2018-09-21 Hydraulic system
US16/652,134 US10907659B2 (en) 2017-09-29 2018-09-21 Hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017190723A JP6886381B2 (ja) 2017-09-29 2017-09-29 液圧システム

Publications (3)

Publication Number Publication Date
JP2019065936A JP2019065936A (ja) 2019-04-25
JP2019065936A5 JP2019065936A5 (enExample) 2020-10-08
JP6886381B2 true JP6886381B2 (ja) 2021-06-16

Family

ID=65900892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017190723A Active JP6886381B2 (ja) 2017-09-29 2017-09-29 液圧システム

Country Status (5)

Country Link
US (1) US10907659B2 (enExample)
JP (1) JP6886381B2 (enExample)
CN (1) CN111108292B (enExample)
GB (1) GB2581683B (enExample)
WO (1) WO2019065510A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7489766B2 (ja) * 2019-10-31 2024-05-24 川崎重工業株式会社 液圧駆動システム、それを備える電液アクチュエータユニット、及び制御装置
KR102660886B1 (ko) * 2021-07-07 2024-04-26 울산대학교 산학협력단 전기 유압 액추에이터를 이용한 상체 근육 강화 운동 기구
KR102689389B1 (ko) * 2022-09-14 2024-07-30 울산대학교 산학협력단 전기유압을 이용한 근력운동기구용 중량구현장치 및 이를 이용한 근력운동기구

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL263175A (enExample) * 1961-04-04
JPS504835B1 (enExample) * 1968-08-14 1975-02-24
JPS58121301A (ja) * 1982-01-11 1983-07-19 Hitachi Constr Mach Co Ltd 油圧閉回路のポンプ吐出量制御装置
JPH10166199A (ja) * 1996-12-05 1998-06-23 Daiichi Denki Kk 液圧駆動式塑性加工装置
US6886332B2 (en) * 2002-02-05 2005-05-03 Parker-Hannifin Corporation Bi-rotational, two-stage hydraulic system
JP2004257448A (ja) 2003-02-25 2004-09-16 Shin Meiwa Ind Co Ltd 油圧駆動装置
JP3922577B2 (ja) * 2003-07-14 2007-05-30 株式会社不二越 両回転形液圧ポンプ装置
CN101962068B (zh) * 2009-07-24 2013-04-03 射阳远洋船舶辅机有限公司 减摇鳍的液压控制系统
US8997626B2 (en) * 2010-04-07 2015-04-07 Parker-Hannifin Corporation Electro-hydraulic actuator including a release valve assembly
US8839617B2 (en) * 2011-09-30 2014-09-23 Caterpillar Inc. System and method for controlling charging of an accumulator in an electro-hydraulic system
US9080310B2 (en) * 2011-10-21 2015-07-14 Caterpillar Inc. Closed-loop hydraulic system having regeneration configuration
CN202789874U (zh) * 2012-08-08 2013-03-13 西安理工大学 一种双变量闭式泵控电液位置伺服系统
CN202971420U (zh) * 2012-11-30 2013-06-05 油圣液压科技有限公司 液压节能装置
CN105190052B (zh) * 2013-03-14 2018-10-19 斗山英维高株式会社 工程机械的液压系统
CN103790874B (zh) * 2014-02-28 2016-01-20 南通大学 无阀液压伺服系统及其控制方法
CN204956455U (zh) * 2015-08-04 2016-01-13 青岛黄海学院 一种车辆自动液压制动系统
CN105206167B (zh) * 2015-10-23 2017-09-29 佛山市南海区广工大数控装备协同创新研究院 一种多功能综合实验平台装置
CN105383675A (zh) * 2015-12-29 2016-03-09 哈尔滨恒誉名翔科技有限公司 Eha-vpvm驱动舵机系统

Also Published As

Publication number Publication date
GB2581683B (en) 2022-06-01
US10907659B2 (en) 2021-02-02
WO2019065510A1 (ja) 2019-04-04
GB202006245D0 (en) 2020-06-10
US20200248721A1 (en) 2020-08-06
GB2581683A (en) 2020-08-26
CN111108292A (zh) 2020-05-05
CN111108292B (zh) 2022-04-29
JP2019065936A (ja) 2019-04-25

Similar Documents

Publication Publication Date Title
JP6831711B2 (ja) 液圧駆動システム
US4383412A (en) Multiple pump load sensing system
JP5188444B2 (ja) 作業機の液圧駆動装置
JP6886381B2 (ja) 液圧システム
WO2009016768A1 (ja) タンデムピストンポンプ
JP4878922B2 (ja) ミキサドラム駆動装置
KR101675659B1 (ko) 펌프 제어 장치
JP4976920B2 (ja) ポンプ吐出量制御装置
JP5571350B2 (ja) 液圧モータ駆動装置
CN109563850B (zh) 液压驱动设施
WO2017212919A1 (ja) ポンプ装置
KR20120101614A (ko) 밸브 장치
JP6799480B2 (ja) 油圧システム
JP6539231B2 (ja) 斜板式ピストンポンプ
CN113494494A (zh) 液压系统
JP2019065936A5 (enExample)
JP2012522188A (ja) 油圧弁装置
WO2019065509A1 (ja) 液圧システム
JP3655910B2 (ja) 油圧駆動機械の制御装置
JP5628134B2 (ja) 油圧閉回路システム
KR20120101685A (ko) 가변 변위 펌프 및 릴리프 밸브를 포함하는 유압 어셈블리
CN119497792A (zh) 液压系统
WO2018193741A1 (ja) 流体圧制御装置およびこれを備えるフォークリフト
JP2019060373A (ja) 液圧モータ制御装置
WO2024014083A1 (ja) 液圧システム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200828

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200828

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210420

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210514

R150 Certificate of patent or registration of utility model

Ref document number: 6886381

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250