CN112780636A - 工程机械的液压装置的旋转速度测量方法 - Google Patents
工程机械的液压装置的旋转速度测量方法 Download PDFInfo
- Publication number
- CN112780636A CN112780636A CN202010615473.8A CN202010615473A CN112780636A CN 112780636 A CN112780636 A CN 112780636A CN 202010615473 A CN202010615473 A CN 202010615473A CN 112780636 A CN112780636 A CN 112780636A
- Authority
- CN
- China
- Prior art keywords
- hydraulic device
- frequency
- rotational speed
- pressure pulsation
- piston
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 230000010349 pulsation Effects 0.000 claims abstract description 53
- 238000010586 diagram Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 10
- 239000000470 constituent Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/26—Devices characterised by the use of fluids
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/08—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
-
- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/855—Testing of fluid pressure systems
-
- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
- Component Parts Of Construction Machinery (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190140767A KR102346619B1 (ko) | 2019-11-06 | 2019-11-06 | 건설 기계의 유압 장치의 회전 속도 측정 방법 |
KR10-2019-0140767 | 2019-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112780636A true CN112780636A (zh) | 2021-05-11 |
CN112780636B CN112780636B (zh) | 2023-06-02 |
Family
ID=75750138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010615473.8A Active CN112780636B (zh) | 2019-11-06 | 2020-06-29 | 工程机械的液压装置的旋转速度测量方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6968942B2 (zh) |
KR (1) | KR102346619B1 (zh) |
CN (1) | CN112780636B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5871463A (ja) * | 1981-10-23 | 1983-04-28 | Ono Sokki Co Ltd | エンジン回転機の検出方法 |
KR20030093702A (ko) * | 2002-06-05 | 2003-12-11 | 현대중공업 주식회사 | 유압펌프의 상태 원격감지 시스템 및 고장 진단방법 |
CN104541171A (zh) * | 2012-07-02 | 2015-04-22 | 罗伯特·博世有限公司 | 用于测定压缩机转速的方法 |
CN106640466A (zh) * | 2016-09-29 | 2017-05-10 | 联合汽车电子有限公司 | 电子燃油泵转速测速系统及其测速方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6273396B1 (ja) * | 2017-07-28 | 2018-01-31 | 川崎重工業株式会社 | 故障診断装置、それを備えるポンプユニット、及び故障診断方法 |
JP7049138B2 (ja) * | 2018-03-02 | 2022-04-06 | 三菱重工機械システム株式会社 | デッキクレーンの状態判断方法、デッキクレーンの状態判断装置及びデッキクレーンシステム |
-
2019
- 2019-11-06 KR KR1020190140767A patent/KR102346619B1/ko active IP Right Grant
-
2020
- 2020-06-29 CN CN202010615473.8A patent/CN112780636B/zh active Active
- 2020-07-09 JP JP2020118519A patent/JP6968942B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5871463A (ja) * | 1981-10-23 | 1983-04-28 | Ono Sokki Co Ltd | エンジン回転機の検出方法 |
KR20030093702A (ko) * | 2002-06-05 | 2003-12-11 | 현대중공업 주식회사 | 유압펌프의 상태 원격감지 시스템 및 고장 진단방법 |
CN104541171A (zh) * | 2012-07-02 | 2015-04-22 | 罗伯特·博世有限公司 | 用于测定压缩机转速的方法 |
CN106640466A (zh) * | 2016-09-29 | 2017-05-10 | 联合汽车电子有限公司 | 电子燃油泵转速测速系统及其测速方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2021076579A (ja) | 2021-05-20 |
KR102346619B1 (ko) | 2022-01-05 |
CN112780636B (zh) | 2023-06-02 |
JP6968942B2 (ja) | 2021-11-24 |
KR20210054742A (ko) | 2021-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100434399B1 (ko) | 밀폐형 압축기의 유토출 저감 장치 | |
KR101500372B1 (ko) | 가변용량 오일펌프를 구비한 밸런스샤프트 모듈 | |
KR100801247B1 (ko) | 탠덤 로터리 펌프 | |
JP2010150949A (ja) | 回転式圧縮機 | |
US10962010B2 (en) | Compressor | |
CN112780636A (zh) | 工程机械的液压装置的旋转速度测量方法 | |
JPS61138893A (ja) | トロコイド型オイルポンプ | |
JP2013015111A (ja) | 電動オイルポンプ | |
US20030124014A1 (en) | Gas compressor | |
EP0334276B1 (en) | Radial piston pump | |
JP4018395B2 (ja) | 内接歯車ポンプ | |
JP5217876B2 (ja) | 二段圧縮機 | |
KR101815814B1 (ko) | 맥동저감형 사판식 피스톤 펌프 | |
JP2014070545A (ja) | 可変容量型ベーンポンプ | |
KR100665717B1 (ko) | 소음저감형 액시얼 피스톤 펌프의 밸브플레이트 | |
KR20180095247A (ko) | 압축기의 맥동 저감 구조 | |
CN116412102B (zh) | 一种内置主动疏通结构的高性能压缩机 | |
JPS6347916B2 (zh) | ||
CN216842226U (zh) | 压缩机及其气缸 | |
JP3820779B2 (ja) | 歯車ポンプ及びこれを用いた燃料供給装置 | |
CN116357577A (zh) | 压缩机及其气缸 | |
KR101142767B1 (ko) | 압축기용 피스톤 | |
SU1191612A1 (ru) | Объемна сдвоенна гидромашина | |
SU648749A1 (ru) | Радиально-поршневой насос | |
JP3956170B2 (ja) | オイルポンプ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: Han Guoqingshangnandao Patentee after: Transmission and Control Solutions Co.,Ltd. Country or region after: Republic of Korea Address before: Han Guoqingshangnandao Patentee before: Joint stock company motuole Country or region before: Republic of Korea |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240614 Address after: Republic of Korea Patentee after: Joint stock company motuole Country or region after: Republic of Korea Address before: Han Guoqingshangnandao Patentee before: Transmission and Control Solutions Co.,Ltd. Country or region before: Republic of Korea |
|
TR01 | Transfer of patent right |