CN104121255A - Electric-hydraulic proportional loop system - Google Patents
Electric-hydraulic proportional loop system Download PDFInfo
- Publication number
- CN104121255A CN104121255A CN201410341288.9A CN201410341288A CN104121255A CN 104121255 A CN104121255 A CN 104121255A CN 201410341288 A CN201410341288 A CN 201410341288A CN 104121255 A CN104121255 A CN 104121255A
- Authority
- CN
- China
- Prior art keywords
- valve
- proporting
- brake switch
- combination brake
- master cylinder
- 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
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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
-
- 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
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2869—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves
- F15B15/2876—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves using optical means, e.g. laser
-
- 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
-
- 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
-
- 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
- F15B2211/65—Methods of control of the load sensing pressure
- F15B2211/651—Methods of control of the load sensing pressure characterised by the way the load pressure is communicated to the load sensing circuit
-
- 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
- F15B2211/6656—Closed loop control, i.e. control using feedback
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Toxicology (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (3)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610163451.6A CN105697462A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with good working effect |
CN201610163446.5A CN105697471A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system with good working effect |
CN201610163454.XA CN105697473A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with reasonable structure |
CN201410341288.9A CN104121255B (en) | 2014-07-18 | 2014-07-18 | Electric-hydraulic proportion circuit system |
CN201610163447.XA CN105697472A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system capable of improving pressing performance effectively |
CN201610163449.9A CN105805061A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportion loop system with reasonable structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410341288.9A CN104121255B (en) | 2014-07-18 | 2014-07-18 | Electric-hydraulic proportion circuit system |
Related Child Applications (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610163451.6A Division CN105697462A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with good working effect |
CN201610163444.6A Division CN105715629A (en) | 2014-07-18 | 2014-07-18 | Control method for electric-hydraulic proportional loop system reasonable in structure |
CN201610163446.5A Division CN105697471A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system with good working effect |
CN201610163449.9A Division CN105805061A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportion loop system with reasonable structure |
CN201610163447.XA Division CN105697472A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system capable of improving pressing performance effectively |
CN201610163453.5A Division CN105782139A (en) | 2014-07-18 | 2014-07-18 | Electric-hydraulic proportional loop system capable of effectively improving pressing performance |
CN201610163454.XA Division CN105697473A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with reasonable structure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104121255A true CN104121255A (en) | 2014-10-29 |
CN104121255B CN104121255B (en) | 2016-08-17 |
Family
ID=51766815
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610163446.5A Pending CN105697471A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system with good working effect |
CN201610163451.6A Pending CN105697462A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with good working effect |
CN201410341288.9A Active CN104121255B (en) | 2014-07-18 | 2014-07-18 | Electric-hydraulic proportion circuit system |
CN201610163449.9A Pending CN105805061A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportion loop system with reasonable structure |
CN201610163454.XA Pending CN105697473A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with reasonable structure |
CN201610163447.XA Pending CN105697472A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system capable of improving pressing performance effectively |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610163446.5A Pending CN105697471A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system with good working effect |
CN201610163451.6A Pending CN105697462A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with good working effect |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610163449.9A Pending CN105805061A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportion loop system with reasonable structure |
CN201610163454.XA Pending CN105697473A (en) | 2014-07-18 | 2014-07-18 | Electro-hydraulic proportional loop system with reasonable structure |
CN201610163447.XA Pending CN105697472A (en) | 2014-07-18 | 2014-07-18 | Control method of electro-hydraulic proportional loop system capable of improving pressing performance effectively |
Country Status (1)
Country | Link |
---|---|
CN (6) | CN105697471A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736492A (en) * | 2016-04-14 | 2016-07-06 | 刘湖南 | Hydraulic oil cylinder and oil way system thereof |
CN107642511A (en) * | 2017-10-20 | 2018-01-30 | 河南科技大学 | A kind of direct drive type electrohydraulic servo die hammer control system |
CN110332180A (en) * | 2019-08-16 | 2019-10-15 | 中冶赛迪工程技术股份有限公司 | A kind of energy-saving type blast furnace hot-blast stove hydraulic control system and method |
CN113864274A (en) * | 2021-10-18 | 2021-12-31 | 山东泰丰智能控制股份有限公司 | Lifting hydraulic control system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109931314B (en) * | 2019-03-22 | 2024-05-14 | 中国铁建重工集团股份有限公司 | Hydraulic system |
Citations (7)
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EP1714764A2 (en) * | 2005-04-19 | 2006-10-25 | Krauss-Maffei Kunststofftechnik GmbH | Hydraulic mold closing unit |
CN101761521A (en) * | 2009-12-11 | 2010-06-30 | 上海诺玛液压系统有限公司 | Precision load positioner |
CN101870160A (en) * | 2010-03-30 | 2010-10-27 | 浙江大学 | Pump-valve compound control hydraulic system for injection molding machine and control method thereof |
CN103008608A (en) * | 2012-12-31 | 2013-04-03 | 宁波思进机械股份有限公司 | Pressure boost adjusting device and method based on on-line control of die-casting machine |
CN103144304A (en) * | 2013-02-05 | 2013-06-12 | 浙江大学 | Plastic vibration processing and sample molding integration test equipment and method |
CN103847128A (en) * | 2012-11-30 | 2014-06-11 | 江苏沃得机电集团有限公司 | Hydraulic control system |
CN103920839A (en) * | 2014-01-14 | 2014-07-16 | 中南大学 | Hybrid synchronous balance control system of large die-forging hydraulic press |
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CA1335638C (en) * | 1987-12-04 | 1995-05-23 | Kinshirou Naito | Method and device for controlling the stroke of a press |
JPH09210007A (en) * | 1996-02-06 | 1997-08-12 | Amada Co Ltd | Hydraulic circuit of hydraulic cylinder |
US5644915A (en) * | 1996-04-25 | 1997-07-08 | Cincinnati, Incorporated | Control system for a hydraulic press brake |
JP3692004B2 (en) * | 2000-03-16 | 2005-09-07 | 新キャタピラー三菱株式会社 | Fluid pressure circuit device |
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CN202399558U (en) * | 2011-12-22 | 2012-08-29 | 中广核中电能源服务(深圳)有限公司 | Servo drive hydraulic control system |
CN103671364B (en) * | 2012-09-12 | 2015-12-23 | 上海宝冶集团有限公司 | Electrohydraulic control system is turned to for remote control loader |
CN203081884U (en) * | 2013-03-04 | 2013-07-24 | 杭州国电机械设计研究院有限公司 | Four-cylinder synchronous electro-hydraulic proportional control system for main lift cylinder of vertical ship lift |
CN103615436B (en) * | 2013-12-06 | 2016-07-06 | 天水锻压机床(集团)有限公司 | Steel tube straightening machine numerical control electrohydraulic ratio system |
-
2014
- 2014-07-18 CN CN201610163446.5A patent/CN105697471A/en active Pending
- 2014-07-18 CN CN201610163451.6A patent/CN105697462A/en active Pending
- 2014-07-18 CN CN201410341288.9A patent/CN104121255B/en active Active
- 2014-07-18 CN CN201610163449.9A patent/CN105805061A/en active Pending
- 2014-07-18 CN CN201610163454.XA patent/CN105697473A/en active Pending
- 2014-07-18 CN CN201610163447.XA patent/CN105697472A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1714764A2 (en) * | 2005-04-19 | 2006-10-25 | Krauss-Maffei Kunststofftechnik GmbH | Hydraulic mold closing unit |
CN101761521A (en) * | 2009-12-11 | 2010-06-30 | 上海诺玛液压系统有限公司 | Precision load positioner |
CN101870160A (en) * | 2010-03-30 | 2010-10-27 | 浙江大学 | Pump-valve compound control hydraulic system for injection molding machine and control method thereof |
CN103847128A (en) * | 2012-11-30 | 2014-06-11 | 江苏沃得机电集团有限公司 | Hydraulic control system |
CN103008608A (en) * | 2012-12-31 | 2013-04-03 | 宁波思进机械股份有限公司 | Pressure boost adjusting device and method based on on-line control of die-casting machine |
CN103144304A (en) * | 2013-02-05 | 2013-06-12 | 浙江大学 | Plastic vibration processing and sample molding integration test equipment and method |
CN103920839A (en) * | 2014-01-14 | 2014-07-16 | 中南大学 | Hybrid synchronous balance control system of large die-forging hydraulic press |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736492A (en) * | 2016-04-14 | 2016-07-06 | 刘湖南 | Hydraulic oil cylinder and oil way system thereof |
CN107642511A (en) * | 2017-10-20 | 2018-01-30 | 河南科技大学 | A kind of direct drive type electrohydraulic servo die hammer control system |
CN107642511B (en) * | 2017-10-20 | 2024-01-19 | 河南科技大学 | Direct-drive electrohydraulic servo die forging hammer control system |
CN110332180A (en) * | 2019-08-16 | 2019-10-15 | 中冶赛迪工程技术股份有限公司 | A kind of energy-saving type blast furnace hot-blast stove hydraulic control system and method |
CN113864274A (en) * | 2021-10-18 | 2021-12-31 | 山东泰丰智能控制股份有限公司 | Lifting hydraulic control system |
Also Published As
Publication number | Publication date |
---|---|
CN105805061A (en) | 2016-07-27 |
CN105697473A (en) | 2016-06-22 |
CN104121255B (en) | 2016-08-17 |
CN105697471A (en) | 2016-06-22 |
CN105697462A (en) | 2016-06-22 |
CN105697472A (en) | 2016-06-22 |
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CB03 | Change of inventor or designer information |
Inventor after: Zhou Jianzhi Inventor after: Xu Qin Inventor after: Guo Chenggong Inventor after: Deng Jiwen Inventor after: Chen Jinhua Inventor after: Xu Xiaodie Inventor after: Huang Ting Inventor after: Zhu Zhangbei Inventor after: Lu Jianan Inventor after: Chen Jinxiang Inventor after: Zhu Fuyun Inventor after: Ding Ran Inventor after: Xu Jiangang Inventor after: Luo Tiehua Inventor after: Lu Zhihui Inventor before: Zhou Jianzhi Inventor before: Xu Qin Inventor before: Zhu Zhangbei Inventor before: Lu Jianan Inventor before: Chen Jinxiang Inventor before: Zhu Fuyun Inventor before: Ding Ran Inventor before: Xu Jiangang Inventor before: Luo Tiehua Inventor before: Lu Zhihui |
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