CN110312867B - 液压泵及马达 - Google Patents

液压泵及马达 Download PDF

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Publication number
CN110312867B
CN110312867B CN201880011913.XA CN201880011913A CN110312867B CN 110312867 B CN110312867 B CN 110312867B CN 201880011913 A CN201880011913 A CN 201880011913A CN 110312867 B CN110312867 B CN 110312867B
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CN
China
Prior art keywords
swash plate
lever
servo valve
hydraulic pump
stroke sensor
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
CN201880011913.XA
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English (en)
Chinese (zh)
Other versions
CN110312867A (zh
Inventor
小野睦
大城充
袖山直也
名畑纯
堀秀司
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.)
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Publication date
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of CN110312867A publication Critical patent/CN110312867A/zh
Application granted granted Critical
Publication of CN110312867B publication Critical patent/CN110312867B/zh
Active legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26Control
    • F04B1/30Control of machines or pumps with rotary cylinder blocks
    • F04B1/32Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14Multi-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
    • F04B1/141Details or component parts
    • F04B1/146Swash plates; Actuating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20Multi-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
    • F04B1/2014Details or component parts
    • F04B1/2078Swash plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00Pump parameters
    • F04B2201/12Parameters of driving or driven means
    • F04B2201/1205Position of a non-rotating inclined plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6333Electronic 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)
CN201880011913.XA 2017-06-22 2018-06-04 液压泵及马达 Active CN110312867B (zh)

Applications Claiming Priority (3)

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
JP2017-122348 2017-06-22
PCT/JP2018/021308 WO2018235573A1 (ja) 2017-06-22 2018-06-04 油圧ポンプおよびモータ

Publications (2)

Publication Number Publication Date
CN110312867A CN110312867A (zh) 2019-10-08
CN110312867B true CN110312867B (zh) 2021-11-09

Family

ID=64737757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880011913.XA Active CN110312867B (zh) 2017-06-22 2018-06-04 液压泵及马达

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265305U (enExample) * 1975-11-10 1977-05-14
CN101372941A (zh) * 2008-09-18 2009-02-25 联塑(杭州)机械有限公司 一种轴向柱塞式变量泵
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
CN102893027A (zh) * 2011-02-23 2013-01-23 株式会社小松制作所 可变容量型液压泵·马达

Family Cites Families (16)

* 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
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
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
US8661804B2 (en) 2009-12-11 2014-03-04 Caterpillar Inc. Control system for swashplate pump
EP3045723B1 (de) 2015-01-16 2019-04-10 HAWE Hydraulik SE Axialkolbenpumpe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265305U (enExample) * 1975-11-10 1977-05-14
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
CN101372941A (zh) * 2008-09-18 2009-02-25 联塑(杭州)机械有限公司 一种轴向柱塞式变量泵
CN102893027A (zh) * 2011-02-23 2013-01-23 株式会社小松制作所 可变容量型液压泵·马达

Also Published As

Publication number Publication date
US20200003191A1 (en) 2020-01-02
JP2019007387A (ja) 2019-01-17
JP6913527B2 (ja) 2021-08-04
US11293417B2 (en) 2022-04-05
WO2018235573A1 (ja) 2018-12-27
CN110312867A (zh) 2019-10-08
DE112018003195T5 (de) 2020-03-05

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