JP6913527B2 - 油圧ポンプおよびモータ - Google Patents

油圧ポンプおよびモータ Download PDF

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Publication number
JP6913527B2
JP6913527B2 JP2017122348A JP2017122348A JP6913527B2 JP 6913527 B2 JP6913527 B2 JP 6913527B2 JP 2017122348 A JP2017122348 A JP 2017122348A JP 2017122348 A JP2017122348 A JP 2017122348A JP 6913527 B2 JP6913527 B2 JP 6913527B2
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JP
Japan
Prior art keywords
lever
swash plate
servo valve
stroke sensor
contact
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
JP2017122348A
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English (en)
Japanese (ja)
Other versions
JP2019007387A5 (enExample
JP2019007387A (ja
Inventor
睦 小野
睦 小野
充 大城
充 大城
直也 袖山
直也 袖山
純 名畑
純 名畑
堀　秀司
秀司 堀
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP2017122348A priority Critical patent/JP6913527B2/ja
Priority to DE112018003195.0T priority patent/DE112018003195T5/de
Priority to US16/484,921 priority patent/US11293417B2/en
Priority to PCT/JP2018/021308 priority patent/WO2018235573A1/ja
Priority to CN201880011913.XA priority patent/CN110312867B/zh
Publication of JP2019007387A publication Critical patent/JP2019007387A/ja
Publication of JP2019007387A5 publication Critical patent/JP2019007387A5/ja
Application granted granted Critical
Publication of JP6913527B2 publication Critical patent/JP6913527B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B1/141—Details or component parts
    • F04B1/146—Swash plates; Actuating elements
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • 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
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1205—Position of a non-rotating inclined 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6333—Electronic controllers using input signals representing a state of the pressure source, e.g. swash plate angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Hydraulic Motors (AREA)
JP2017122348A 2017-06-22 2017-06-22 油圧ポンプおよびモータ Active JP6913527B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017122348A JP6913527B2 (ja) 2017-06-22 2017-06-22 油圧ポンプおよびモータ
DE112018003195.0T DE112018003195T5 (de) 2017-06-22 2018-06-04 Hydraulikpumpe und -motor
US16/484,921 US11293417B2 (en) 2017-06-22 2018-06-04 Hydraulic pump and motor
PCT/JP2018/021308 WO2018235573A1 (ja) 2017-06-22 2018-06-04 油圧ポンプおよびモータ
CN201880011913.XA CN110312867B (zh) 2017-06-22 2018-06-04 液压泵及马达

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017122348A JP6913527B2 (ja) 2017-06-22 2017-06-22 油圧ポンプおよびモータ

Publications (3)

Publication Number Publication Date
JP2019007387A JP2019007387A (ja) 2019-01-17
JP2019007387A5 JP2019007387A5 (enExample) 2019-05-09
JP6913527B2 true JP6913527B2 (ja) 2021-08-04

Family

ID=64737757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017122348A Active JP6913527B2 (ja) 2017-06-22 2017-06-22 油圧ポンプおよびモータ

Country Status (5)

Country Link
US (1) US11293417B2 (enExample)
JP (1) JP6913527B2 (enExample)
CN (1) CN110312867B (enExample)
DE (1) DE112018003195T5 (enExample)
WO (1) WO2018235573A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018386193B2 (en) 2017-12-13 2025-04-24 Momenta Pharmaceuticals, Inc. FcRn antibodies and methods of use thereof
JP2020183744A (ja) * 2019-05-09 2020-11-12 ナブテスコ株式会社 油圧ポンプ及び建設機械
CN111173699B (zh) * 2020-02-18 2025-11-11 华中科技大学无锡研究院 带压力保护水介质斜盘式轴向柱塞泵
DE102020210397B3 (de) * 2020-08-14 2021-10-14 Danfoss Power Solutions Gmbh & Co. Ohg Hydrostatische servoeinheit
KR102746290B1 (ko) * 2021-07-16 2024-12-26 두산모트롤 주식회사 유압펌프의 고장 진단 장치
US12331740B2 (en) 2022-12-05 2025-06-17 Hamilton Sundstrand Corporation Variable displacement pumps

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1653385C3 (de) * 1967-08-25 1980-07-24 Volvo Hydraulikfabrik Gmbh, 1000 Berlin Vorrichtung zum Konstanthalten des Produktes aus Druck und Hubvolumen bei einer Verdrängerpumpe
JPS5265305U (enExample) * 1975-11-10 1977-05-14
IT1049748B (it) 1975-11-24 1981-02-10 Rocchitelli Onofrio Pompa elettromagnetica lavavetri particolarmente per vetri para brezza di autoveicoli
DE3208250A1 (de) * 1982-03-08 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum steuern und/oder regeln einer axialkolbenmaschine
DD247044A1 (de) 1986-02-28 1987-06-24 Ind Werke Veb Mechanische rueckfuehrung fuer eine elektrohydraulische stelleinrichtung
JP3089021B2 (ja) 1990-07-24 2000-09-18 株式会社東芝 垂直偏向用鋸歯状波発生回路
JPH0482378U (enExample) * 1990-11-29 1992-07-17
KR950007252B1 (ko) * 1991-11-30 1995-07-07 삼성중공업주식회사 가변용량형 유압펌프의 제어장치
KR950003064B1 (ko) * 1992-05-30 1995-03-30 삼성중공업 주식회사 가변용량형 유압펌프의 제어장치
JPH07180655A (ja) * 1993-12-22 1995-07-18 Hitachi Constr Mach Co Ltd 容量可変型斜軸式液圧回転機
JPH1137042A (ja) 1997-07-14 1999-02-09 Hitachi Constr Mach Co Ltd 可変容量型斜板式油圧ポンプ
JPH11257209A (ja) 1998-03-16 1999-09-21 Yuken Kogyo Co Ltd モータ一体型油圧ポンプ装置
JP4469076B2 (ja) * 2000-09-28 2010-05-26 株式会社小松製作所 可変容量型流体機械の容量制御装置
DE10063525B4 (de) 2000-12-20 2005-07-07 Brueninghaus Hydromatik Gmbh Verstellvorrichtung zum Verstellen eines auf das Verdrängungsvolumen einer hydrostatischen Maschine einwirkenden Stellkolbens
WO2006129431A1 (ja) 2005-05-30 2006-12-07 Hitachi Construction Machinery Co., Ltd. 可変容量型斜板式液圧回転機
US7469534B2 (en) * 2005-09-26 2008-12-30 Kubota Corporation Load control structure for work vehicle
CN101372941B (zh) * 2008-09-18 2011-09-14 联塑(杭州)机械有限公司 一种轴向柱塞式变量泵
US8661804B2 (en) 2009-12-11 2014-03-04 Caterpillar Inc. Control system for swashplate pump
JP4934749B1 (ja) 2011-02-23 2012-05-16 株式会社小松製作所 可変容量型油圧ポンプ・モータ
EP3045723B1 (de) 2015-01-16 2019-04-10 HAWE Hydraulik SE Axialkolbenpumpe

Also Published As

Publication number Publication date
US20200003191A1 (en) 2020-01-02
JP2019007387A (ja) 2019-01-17
CN110312867B (zh) 2021-11-09
US11293417B2 (en) 2022-04-05
WO2018235573A1 (ja) 2018-12-27
CN110312867A (zh) 2019-10-08
DE112018003195T5 (de) 2020-03-05

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