CN108087371A - For the hydraulic servo driving system of accurate model supporting device - Google Patents
For the hydraulic servo driving system of accurate model supporting device Download PDFInfo
- Publication number
- CN108087371A CN108087371A CN201711309206.2A CN201711309206A CN108087371A CN 108087371 A CN108087371 A CN 108087371A CN 201711309206 A CN201711309206 A CN 201711309206A CN 108087371 A CN108087371 A CN 108087371A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- supporting device
- hydraulic cylinder
- group
- accurate model
- 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.)
- Pending
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
- F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
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- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
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- 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
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
-
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
-
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0846—Electrical details
- F15B13/086—Sensing means, e.g. pressure sensors
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/005—Leakage; Spillage; Hose burst
-
- 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
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention discloses a kind of hydraulic servo driving systems for accurate model supporting device, including two groups of hydraulic cylinders being connected with swing component, fixing piece, every group of hydraulic cylinder is correspondingly connected with there are one servo valve, and displacement sensor, pressure sensor are mounted on every group of hydraulic cylinder.It is characteristic of the invention that：Static and dynamic characteristic index is improved, improves structural support rigidity, stability is more preferable, position control accuracy higher, improves the accuracy of test data.
Description
Technical field
The present invention relates to Hydraulic servo drive control fields, and in particular to a kind of hydraulic pressure for accurate model supporting device
Servo drive system.
Background technology
A kind of precision model supporting device is in use, in order to reduce integral device appearance and size, one rotation of generally use
Movable joint, the form being driven using two hydraulic cylinders, as shown in Fig. 2, two hydraulic cylinders are carried out using same hydraulic valve
Control, system rigidity of support is poor, and motion control accuracy is relatively low, thus measuring accuracy data are affected greatly.
The content of the invention
Problem that the purpose of the present invention is to overcome the above shortcomings provides a kind of hydraulic pressure for accurate model supporting device and watches
Take drive system, the shortcomings such as solving device rigidity of support is poor, and kinematic accuracy is low.
Present invention technical solution used for the above purpose is：For the hydraulic servo of accurate model supporting device
Drive system, including two groups of hydraulic cylinders being connected with swing component, fixing piece, every group of hydraulic cylinder is correspondingly connected with there are one servo
Valve is mounted on displacement sensor, pressure sensor on every group of hydraulic cylinder.
Explosion-proof valve is mounted at every group of hydraulic cylinder connector.
Hydraulic lock is mounted between the corresponding servo valve of every group of hydraulic cylinder, and passes through switch valve control.
The servo valve front end is equipped with filter.
It is characteristic of the invention that：Static and dynamic characteristic index is improved, improves structural support rigidity, stability is more
Well, position control accuracy higher improves the accuracy of test data.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic diagram of accurate model supporting device.
Wherein：1st, hydraulic cylinder 2, displacement sensor 3, pressure sensor 4, hydraulic lock 5, servo valve 6, filtering
Device 7, switch valve 8, explosion-proof valve.
Specific embodiment
As shown in Figure 1, the present invention is a kind of hydraulic servo driving system for accurate model supporting device, including with pendulum
Two groups of hydraulic cylinders 1 that moving part 9, fixing piece 10 connect, every group of hydraulic cylinder 1 are correspondingly connected with there are one servo valve 5, every group of hydraulic cylinder
1 carries out motion state control by respective servo valve, and displacement sensor 2, pressure sensor are mounted on every group of hydraulic cylinder 1
3, real time position feedback is carried out by displacement sensor 2,1 power output of hydraulic cylinder is monitored by pressure sensor, every group
Be mounted on explosion-proof valve 8 at 1 connector of hydraulic cylinder, unit exception prevented when connecting line from damaging to move, every group of hydraulic cylinder 1 and its
Hydraulic lock 4 is mounted between corresponding servo valve 5, and passes through switch valve 7 and controls, when equipment stops, locking hydraulic cylinder 1
It puts, 5 front end of servo valve is equipped with filter 6, is filtered to being passed through the hydraulic oil inside servo valve 5, prevents from blocking and watch
Take valve 5.
Two groups of hydraulic cylinders 1 are limited when two groups of hydraulic cylinders 1 drive the same swing component 9 to be moved, in mechanical structure to move,
Synchronization accuracy is combined with high-precision, high frequency sound detecting system by using multiple hydraulic servo cylinder motion controls, reaches every group
1 single independent control of hydraulic cylinder, then reach integrated model movement synchronizing characteristics, when carrying out motion control, according to pressure sensing
The detection of device 3, is calculated present apparatus external loading state, sets up hydraulic system corrected parameter, according to driving actual requirement,
Motion control is carried out to two groups of hydraulic cylinders 1 respectively, hydraulic cylinder 1, can be by movement state information by the feedback of displacement sensor 2
Control system is fed back to, 5 aperture of servo valve is corrected by control system so that hydraulic cylinder 1 is in high-precise synchronization motion state.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope of present disclosure, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. for the hydraulic servo driving system of accurate model supporting device, it is characterised in that：Including with swing component（9）, it is fixed
Part（10）Two groups of hydraulic cylinders of connection（1）, every group of hydraulic cylinder（1）Servo valve there are one being correspondingly connected with（5）, every group of hydraulic cylinder
（1）On be mounted on displacement sensor（2）, pressure sensor（3）.
2. the hydraulic servo driving system as described in claim 1 for accurate model supporting device, it is characterised in that：Every group
Hydraulic cylinder（1）Explosion-proof valve is mounted at connector（8）.
3. the hydraulic servo driving system as described in claim 1 for accurate model supporting device, it is characterised in that：Every group
Hydraulic cylinder（1）Corresponding servo valve（5）Between be mounted on hydraulic lock（4）, and pass through switch valve（7）Control.
4. the hydraulic servo driving system as described in claim 1 for accurate model supporting device, it is characterised in that：It is described
Servo valve（5）Front end is equipped with filter（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309206.2A CN108087371A (en) | 2017-12-11 | 2017-12-11 | For the hydraulic servo driving system of accurate model supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309206.2A CN108087371A (en) | 2017-12-11 | 2017-12-11 | For the hydraulic servo driving system of accurate model supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087371A true CN108087371A (en) | 2018-05-29 |
Family
ID=62173811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711309206.2A Pending CN108087371A (en) | 2017-12-11 | 2017-12-11 | For the hydraulic servo driving system of accurate model supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087371A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081036A (en) * | 2019-05-08 | 2019-08-02 | 中冶宝钢技术服务有限公司 | Multi-cylinder synchronous control system and its control method |
| CN115111211A (en) * | 2022-06-29 | 2022-09-27 | 浙江工业大学 | Hydraulic synchronous control system of high-frequency electro-hydraulic fatigue testing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736632A (en) * | 2005-08-08 | 2006-02-22 | 西安重型机械研究所 | Vibrating device hydraulic system |
| CN201338659Y (en) * | 2008-11-04 | 2009-11-04 | 上海中欧汽车电器有限公司 | Double-cylinder synchronous hydraulic tilting system |
| CN102350930A (en) * | 2011-07-23 | 2012-02-15 | 安庆市恒瑞达汽车零部件制造有限公司 | Hydraulic system for automotive driving stabilizer bar |
| CN202219988U (en) * | 2011-09-02 | 2012-05-16 | 大连力科技术工程有限公司 | Automatic leveling hydraulic device of cab of bucket wheel machine |
| CN103511365A (en) * | 2013-10-22 | 2014-01-15 | 东北轻合金有限责任公司 | Hot rolling mill rolling control system used for improving rolling accuracy |
| CN103660359A (en) * | 2013-11-19 | 2014-03-26 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
-
2017
- 2017-12-11 CN CN201711309206.2A patent/CN108087371A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736632A (en) * | 2005-08-08 | 2006-02-22 | 西安重型机械研究所 | Vibrating device hydraulic system |
| CN201338659Y (en) * | 2008-11-04 | 2009-11-04 | 上海中欧汽车电器有限公司 | Double-cylinder synchronous hydraulic tilting system |
| CN102350930A (en) * | 2011-07-23 | 2012-02-15 | 安庆市恒瑞达汽车零部件制造有限公司 | Hydraulic system for automotive driving stabilizer bar |
| CN202219988U (en) * | 2011-09-02 | 2012-05-16 | 大连力科技术工程有限公司 | Automatic leveling hydraulic device of cab of bucket wheel machine |
| CN103511365A (en) * | 2013-10-22 | 2014-01-15 | 东北轻合金有限责任公司 | Hot rolling mill rolling control system used for improving rolling accuracy |
| CN103660359A (en) * | 2013-11-19 | 2014-03-26 | 浙江大学 | Hydraulic control system and method for passive type four-corner-leveling hydraulic press |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081036A (en) * | 2019-05-08 | 2019-08-02 | 中冶宝钢技术服务有限公司 | Multi-cylinder synchronous control system and its control method |
| CN115111211A (en) * | 2022-06-29 | 2022-09-27 | 浙江工业大学 | Hydraulic synchronous control system of high-frequency electro-hydraulic fatigue testing machine |
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