CN103362883A - Hydraulic servo drive device - Google Patents
Hydraulic servo drive device Download PDFInfo
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- CN103362883A CN103362883A CN2013102797199A CN201310279719A CN103362883A CN 103362883 A CN103362883 A CN 103362883A CN 2013102797199 A CN2013102797199 A CN 2013102797199A CN 201310279719 A CN201310279719 A CN 201310279719A CN 103362883 A CN103362883 A CN 103362883A
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- hydraulic
- position control
- pressure
- servo
- control gear
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Abstract
The invention relates to a hydraulic device, in particular to a hydraulic servo drive device. The hydraulic servo drive device comprises a servo speed adjustment mechanism, a hydraulic power mechanism and a pressure position control device, wherein an operation device is arranged at one end of the pressure position control device; a load is arranged at one end of the hydraulic power mechanism; the servo speed adjustment mechanism is connected with the pressure position control device and the hydraulic power mechanism; a display operation screen is arranged on the operation device. According to the hydraulic servo drive device, a bidirectional metering pump can be used for rotating in positive and negative directions to control the oil pump capacity; the pressure position control device can be used for receiving pressure and position feedback signals to accurately control a pressure and a position through a high-efficiency control algorithm.
Description
Technical field
The present invention relates to hydraulic pressure installation, related in particular to a kind of hydraulic servo driving.
Background technique
At present, along with the new and high technology development, the electromechanical integration industry is risen immediately, utilizes machine tool computer DSP Digital Technique control, realize mechanical mechanism precision positioning and transmission take permanent magnet synchronous servo motor as power source to be employed more and more widely.Yet traditional hydraulic control device is owing to controlling flow and the pressure that flows to hydraulic power mechanism oil by servovalve.Therefore, electrohydraulic control namely is that electro-hydraulic converting element is again power amplification element, and its performance is very large to the properties influence of system.Electrohydraulic control has following shortcoming: the response time is long, the requirement not high, oil quality of power output accuracy is very high.So, invent a kind of hydraulic servo driving, simple in structure, improve the power output accuracy and be very important.
Summary of the invention
The present invention is directed to the not high shortcoming of hydraulic control device power output accuracy in the prior art, a kind of hydraulic servo driving is provided, improve the power output accuracy, reduce simultaneously the requirement to oil quality.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of hydraulic servo driving, comprise servo speed regulating mechanism, hydraulic power mechanism and pressure position control gear, pressure position control gear one end is provided with operation equipment and connects, hydraulic power mechanism one end is provided with load, and servo speed regulating mechanism is connected with the pressure position control gear, hydraulic power mechanism connects; Operation equipment is provided with the display operation screen.By the setting operation device, in advance setting pressure signal value, flux signal value, position signal value in the pressure position control gear.Simultaneously, the pressure position control gear can receive pressure signal, the position signal that hydraulic power mechanism transmits, and by pressure signal, the position signal that receives, adjusts the flow in the two-way quantitative infusion pump unit time, thereby makes the interior flow of fluid of device steady; By the display operation screen, the operator can clearly recognize the working state of device, and carries out corresponding data adjustment by the display operation screen.
As preferably, servo speed regulating mechanism comprises servo driver and permanent magnet synchronous servo motor, and servo driver is connected with permanent magnet synchronous servo motor, and servo driver is connected with the pressure position control gear.Permanent magnet synchronous servo motor transmits working signal to servo driver by electric current loop, speed ring.
As preferably, hydraulic power mechanism comprises two-way quantitative pump and hydraulic actuator, and the two-way quantitative pump is connected with hydraulic actuator; The two-way quantitative pump is connected with the pressure position control gear by pressure transducer, and hydraulic actuator is connected with the pressure position control gear by position transducer; Hydraulic actuator one end is connected with load.The two-way quantitative pump is provided with pressure transducer, hydraulic actuator is provided with position transducer, by pressure transducer, position transducer, the pressure position control gear can receive the position force value in the hydraulic power mechanism in real time, thereby the pressure position control gear that makes can in time send the execution instruction through converter, so that the flow of fluid process in the whole device becomes steadily, reduce as far as possible restriction loss.
As preferably, the built-in transducer of pressure position control gear.Transducer can be by the real-time flow that detects and pass through oil in the inherent unit time of control two-way quantitative pump of pressure transducer.
The present invention has significant technique effect owing to having adopted above technological scheme: the two-way quantitative pump can forward, counterrotating, the control oil pump capacity; The pressure position control gear can receive pressure feedback and position feed back signal is precisely controlled position pressure by efficient control algorithm.
Description of drawings
Fig. 1 is the structural representation of a kind of hydraulic servo driving of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Embodiment 1
A kind of hydraulic servo driving, as shown in Figure 1, comprise servo speed regulating mechanism, hydraulic power mechanism and pressure position control gear, pressure position control gear one end is provided with operation equipment and connects, hydraulic power mechanism one end is provided with load, and servo speed regulating mechanism is connected with the pressure position control gear, hydraulic power mechanism connects; Operation equipment is provided with the display operation screen.By the setting operation device, in advance setting pressure signal value, flux signal value, position signal value in the pressure position control gear.Simultaneously, the pressure position control gear can receive pressure signal, the position signal that hydraulic power mechanism transmits, and by pressure signal, the position signal that receives, adjusts the flow in the two-way quantitative infusion pump unit time, thereby makes the interior flow of fluid of device steady; By the display operation screen, the operator can clearly recognize the working state of device, and carries out corresponding data adjustment by the display operation screen.
Servo speed regulating mechanism comprises servo driver and permanent magnet synchronous servo motor, and servo driver is connected with permanent magnet synchronous servo motor, and servo driver is connected with the pressure position control gear.Permanent magnet synchronous servo motor transmits working signal to servo driver by electric current loop, speed ring.Hydraulic power mechanism comprises two-way quantitative pump and hydraulic actuator, and the two-way quantitative pump is connected with hydraulic actuator; The two-way quantitative pump is connected with the pressure position control gear by pressure transducer, and hydraulic actuator is connected with the pressure position control gear by position transducer; Hydraulic actuator one end is connected with load.The two-way quantitative pump is provided with pressure transducer, hydraulic actuator is provided with position transducer, by pressure transducer, position transducer, the pressure position control gear can receive the position force value in the hydraulic power mechanism in real time, thereby the pressure position control gear that makes can in time send the execution instruction through converter, so that the flow of fluid process in the whole device becomes steadily, reduce as far as possible restriction loss.The built-in transducer of pressure position control gear.Transducer can by the real-time flow that detects and pass through oil in the inherent unit time of control two-way quantitative pump of pressure transducer, reduce by the needed human resources of machine.
In a word, the above only is preferred embodiment of the present invention, and all equalizations of doing according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (4)
1. hydraulic servo driving, comprise servo speed regulating mechanism, hydraulic power mechanism and pressure position control gear, pressure position control gear one end is provided with operation equipment, hydraulic power mechanism one end is provided with load, it is characterized in that: servo speed regulating mechanism is connected with the pressure position control gear, hydraulic power mechanism connects; Operation equipment is provided with the display operation screen.
2. a kind of hydraulic servo driving according to claim 1, it is characterized in that: servo speed regulating mechanism comprises servo driver and permanent magnet synchronous servo motor, servo driver is connected with permanent magnet synchronous servo motor, and servo driver is connected with the pressure position control gear.
3. a kind of hydraulic servo driving according to claim 1, it is characterized in that: hydraulic power mechanism comprises two-way quantitative pump and hydraulic actuator, the two-way quantitative pump is connected with hydraulic actuator; The two-way quantitative pump is connected with the pressure position control gear by pressure transducer, and hydraulic actuator is connected with the pressure position control gear by position transducer; Hydraulic actuator one end is connected with load.
4. a kind of hydraulic servo driving according to claim 1 is characterized in that: the built-in transducer of pressure position control gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102797199A CN103362883A (en) | 2013-07-03 | 2013-07-03 | Hydraulic servo drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102797199A CN103362883A (en) | 2013-07-03 | 2013-07-03 | Hydraulic servo drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103362883A true CN103362883A (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013102797199A Pending CN103362883A (en) | 2013-07-03 | 2013-07-03 | Hydraulic servo drive device |
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| CN (1) | CN103362883A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536355A (en) * | 2015-01-21 | 2015-04-22 | 浙江新富凌电气股份有限公司 | Servo driver with touch screen |
| CN106759533A (en) * | 2016-11-09 | 2017-05-31 | 北京工业大学 | A kind of experimental provision of regulation and control machine tool basic precision |
Citations (6)
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| JP2003239903A (en) * | 2002-02-18 | 2003-08-27 | Yaskawa Electric Corp | Actuator driving device |
| CN101042149A (en) * | 2007-04-20 | 2007-09-26 | 绍兴市肯特机械电子有限公司 | Hydraulic power system controlled by servo electric machine |
| CN101793275A (en) * | 2010-03-30 | 2010-08-04 | 宁波安信数控技术有限公司 | High-precision hydraulic servo control system |
| CN202088419U (en) * | 2011-04-20 | 2011-12-28 | 宁波高新区安立特电气科技有限公司 | Servo control system of injection molding machine |
| CN102555256A (en) * | 2011-12-22 | 2012-07-11 | 中广核中电能源服务（深圳）有限公司 | Hydraulic machine system and method for releasing load thereof |
| 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 |
-
2013
- 2013-07-03 CN CN2013102797199A patent/CN103362883A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003239903A (en) * | 2002-02-18 | 2003-08-27 | Yaskawa Electric Corp | Actuator driving device |
| CN101042149A (en) * | 2007-04-20 | 2007-09-26 | 绍兴市肯特机械电子有限公司 | Hydraulic power system controlled by servo electric machine |
| CN101793275A (en) * | 2010-03-30 | 2010-08-04 | 宁波安信数控技术有限公司 | High-precision hydraulic servo control system |
| CN202088419U (en) * | 2011-04-20 | 2011-12-28 | 宁波高新区安立特电气科技有限公司 | Servo control system of injection molding machine |
| CN102555256A (en) * | 2011-12-22 | 2012-07-11 | 中广核中电能源服务（深圳）有限公司 | Hydraulic machine system and method for releasing load thereof |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536355A (en) * | 2015-01-21 | 2015-04-22 | 浙江新富凌电气股份有限公司 | Servo driver with touch screen |
| CN106759533A (en) * | 2016-11-09 | 2017-05-31 | 北京工业大学 | A kind of experimental provision of regulation and control machine tool basic precision |
| CN106759533B (en) * | 2016-11-09 | 2018-10-09 | 北京工业大学 | A kind of experimental provision of regulation and control machine tool basic precision |
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Application publication date: 20131023 |