CN106050774A - Synchronous control system of multi-cylinder loading testing machine - Google Patents
Synchronous control system of multi-cylinder loading testing machine Download PDFInfo
- Publication number
- CN106050774A CN106050774A CN201610653922.1A CN201610653922A CN106050774A CN 106050774 A CN106050774 A CN 106050774A CN 201610653922 A CN201610653922 A CN 201610653922A CN 106050774 A CN106050774 A CN 106050774A
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- China
- Prior art keywords
- control system
- synchronous control
- valve
- cylinder
- above described
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a synchronous control system of a multi-cylinder loading testing machine. The synchronous control system comprises a base, a synchronous control system body and supporting columns arranged at the upper end of the base, and further comprises a beam arranged at the upper ends of the supporting columns. The synchronous control system further comprises a fixed chuck and a movable chuck which are arranged between the base and the beam. A force measuring sensor arranged between the fixed chuck and the base is further included. The synchronous control system further comprises oil cylinder barrels arranged on the side faces of the supporting columns. Pistons penetrating the oil cylinder barrels are further included. According to the synchronous control system of the multi-cylinder loading testing machine, the moving displacement of the pistons is collected through magnetic induced telescopic displacement sensors, the opening amount of servo valves corresponding to oil cylinders is adjusted through the synchronous control system body, the opening amount of the servo valves corresponding to the oil cylinders with the large piston displacement needs to be properly reduced, on the contrary, the opening amount of the servo valves corresponding to the oil cylinders with the small piston displacement needs to be properly increased, and balance can be achieved so as to achieve the purpose of synchronous control.
Description
Technical field
The present invention relates to scientific measurement instrument technical field, be specifically related to the Synchronization Control system of a kind of multi-cylinder loading tester
System.
Background technology
In today of rapid economic development, and though government bodies, science and techniques of defence department, business unit, universities, also
It is that ordinary consumer is more and more higher to the requirement of performance, outward appearance, serviceability, quality and the cost of product, especially produces
The reliability of quality has had higher requirement.Instrument and meter for detection product quality and product material property produces row
Industry, also faces new challenges while being faced with more preferable opportunity and development, and traditional multi-cylinder loading tester is owing to controlling
The reason that the synchronization accuracy of system is relatively low, reduces production efficiency, it is difficult to meet the test demand of current era.
Summary of the invention
It is an object of the invention to provide the synchronous control system of a kind of multi-cylinder loading tester, for ensureing what multi-cylinder loaded
The synchronization accuracy of universal hydraulic testing machine.
The present invention solves that its technical problem be employed technical scheme comprise that,
The synchronous control system of a kind of multi-cylinder loading tester, including base and synchronous control system, and is arranged at the end
The support column of seat upper end, also includes the crossbeam being arranged at support column upper end, also includes that be arranged between base and crossbeam fixes
Chuck and movable chuck, also include the force cell being arranged between fixed chuck and base, also includes being arranged at support column
The cylinder tube of side, also includes the piston being arranged within cylinder tube；
Described synchronous control system includes fuel tank, is arranged at the oil cylinder above described fuel tank, is arranged at described fuel tank and institute
State the servo valve between oil cylinder, be arranged at oil absorption filter and air filter above described fuel tank, be arranged at described oil suction
The high-pressure gear pump that is connected above filter and with oil absorption filter, it is arranged at described high-pressure gear pump side and and high-pressure gear
The threephase asynchronous machine that is connected, be arranged at check valve that is above described high-pressure gear pump and that be connected with high-pressure gear pump,
Be arranged at above described check valve and with the high pressure filter that check valve is connected, be arranged at above described high pressure filter and with
Overflow valve that high pressure filter is connected, be arranged at be connected above described overflow valve and with overflow valve sequence valve, be arranged at
Described sequence valve side and with the Pressure gauge that sequence valve is connected, be arranged at above described servo valve and divide with servo valve and oil cylinder
The shuttle valve that is not connected, it is arranged at the magnetostrictive displacement sensor above described oil cylinder；
Further, oil cylinder forms pump group as brake, high-pressure gear pump with threephase asynchronous machine, provides dynamic for oil cylinder
Power, described sequence valve coordinates the pressure reduction in the low voltage starting and loading procedure of pump group with the pressure of stabilisation systems with shuttle valve
Power；
Further, described piston is connected with magnetostrictive displacement sensor, and magnetostrictive displacement sensor is used for examining
Survey the position of piston；
Further, described servo valve is internally provided with the controller for controlling to adjust fluid；
Further, described oil absorption filter is all connected with fuel tank with air filter；
It is an advantage of the current invention that
The synchronous control system of this kind of multi-cylinder loading tester gathers the movement of piston by magnetostrictive displacement sensor
Displacement, regulates the opening amount of servo valve corresponding to oil cylinder by synchronous control system, and the oil cylinder that amount of piston displacement is big is corresponding
The opening amount of servo valve should suitably reduce, otherwise, the opening amount of the servo valve that oil cylinder that amount of piston displacement is little is corresponding should suitably increase
Greatly, can reach to balance to realize the purpose of Synchronization Control, improve the synchronization accuracy of multi-cylinder loading tester, be conducive to improving
Production efficiency, and simple and convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multi-cylinder loading tester that the present invention proposes；
Fig. 2 is the enforcement schematic diagram of the synchronous control system that the present invention proposes；
Wherein: 1-fuel tank；2-oil absorption filter；3-air filter；4-high-pressure gear pump；5-threephase asynchronous machine；6-
Check valve；7-high pressure filter；8-overflow valve；9-Pressure gauge；10-sequence valve；11-servo valve；12-shuttle valve；13-magnetostriction
Displacement transducer；14-oil cylinder；15-piston；16-cylinder tube；17-base；18-force cell；19-fixed chuck；20-moves
Dynamic chuck；21-support column；22-crossbeam.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Close diagram and specific embodiment, the present invention is expanded on further.
As shown in Figures 1 and 2, the synchronous control system of the multi-cylinder loading tester that the present invention proposes includes that base 17 is with same
Step control system, and it is arranged at the support column 21 of base 17 upper end, also include the crossbeam 22 being arranged at support column 21 upper end, also
Including the fixed chuck 19 being arranged between base 17 and crossbeam 22 and movable chuck 20, also include being arranged at fixed chuck 19 with
Force cell 18 between base 17, also includes the cylinder tube 16 being arranged at support column 21 side, also includes being arranged in oil cylinder
Cylinder piston 15 within 16；
With reference to Fig. 2, described synchronous control system includes fuel tank 1, is arranged at the oil cylinder 14 above described fuel tank 1, is arranged at
Servo valve 11 between described fuel tank 1 and described oil cylinder 14, it is arranged at oil absorption filter 2 and air-filtering above described fuel tank 1
Device 3, be arranged at be connected above described oil absorption filter 2 and with oil absorption filter 2 high-pressure gear pump 4, be arranged at described height
Knob wheel pump 4 side and with the threephase asynchronous machine 5 that high-pressure gear is connected, be arranged at above described high-pressure gear pump 4 and
With the check valve 6 that high-pressure gear pump 4 is connected, be arranged at the high-pressure filteration being connected above described check valve 6 and with check valve 6
Device 7, be arranged at be connected above described high pressure filter 7 and with high pressure filter 7 overflow valve 8, be arranged at described overflow valve 8
Top and be connected with overflow valve 8 sequence valve 10, be arranged at described sequence valve 10 side and the pressure being connected with sequence valve 10
Power table 9, the shuttle valve 12 being arranged at above described servo valve 11 and being respectively connected with servo valve 11 and oil cylinder 14, be arranged at described
Magnetostrictive displacement sensor 13 above oil cylinder 14；
Further, oil cylinder 14 forms pump group, for oil cylinder 14 as brake, high-pressure gear pump 4 and threephase asynchronous machine 5
Power, described sequence valve 10 is provided to coordinate the pressure reduction in the low voltage starting and loading procedure of pump group with stable with shuttle valve 12
The pressure of system；
Further, described piston 15 is connected with magnetostrictive displacement sensor 13, magnetostrictive displacement sensor 13
For detecting the position of piston 15；
Further, described servo valve 11 is internally provided with the controller for controlling to adjust fluid；
Further, described oil absorption filter 2 is all connected with fuel tank 1 with air filter 3；
The synchronous control system of this kind of multi-cylinder loading tester gathers piston 15 by magnetostrictive displacement sensor 13
Moving displacement, regulates the opening amount of the servo valve 11 of oil cylinder 14 correspondence by synchronous control system, and piston 15 displacement is big
The opening amount of the servo valve 11 of oil cylinder 14 correspondence should suitably reduce, otherwise, the servo of oil cylinder 14 correspondence that piston 15 displacement is little
The opening amount of valve 11 should suitably increase, and can reach to balance to realize the purpose of Synchronization Control, improve multi-cylinder loading tester
Synchronization accuracy, be conducive to improving production efficiency, and simple and convenient.
Embodiment of above, only for technology design and the feature of the explanation present invention, its object is to allow those skilled in the art
Member understands present disclosure and is carried out, and can not limit the scope of the invention with this, all according to present invention spirit
The equivalence that essence is done changes or modifies, and all should contain within the scope of the present invention.
Claims (4)
1. a synchronous control system for multi-cylinder loading tester, including base and synchronous control system, and is arranged at base
The support column of upper end, also includes the crossbeam being arranged at support column upper end, also includes the fixation clamp being arranged between base and crossbeam
Head and movable chuck, also include the force cell being arranged between fixed chuck and base, also include being arranged at support column side
The cylinder tube in face, also includes the piston being arranged within cylinder tube, it is characterised in that:
Described synchronous control system includes fuel tank, is arranged at the oil cylinder above described fuel tank, is arranged at described fuel tank and described oil
Servo valve between cylinder, it is arranged at oil absorption filter and air filter above described fuel tank, is arranged at described oil absorption filter
Top and be connected with oil absorption filter high-pressure gear pump, be arranged at described high-pressure gear pump side and be connected with high-pressure gear
The threephase asynchronous machine that connects, it is arranged at check valve that is above described high-pressure gear pump and that be connected, setting with high-pressure gear pump
Above described check valve and with the high pressure filter that check valve is connected, be arranged at above described high pressure filter and and high pressure
Overflow valve that filter is connected, be arranged at be connected above described overflow valve and with overflow valve sequence valve, be arranged at described
Sequence valve side and with the Pressure gauge that sequence valve is connected, be arranged at above described servo valve and with servo valve and oil cylinder phase respectively
Connect shuttle valve, be arranged at the magnetostrictive displacement sensor above described oil cylinder.
The synchronous control system of a kind of multi-cylinder loading tester the most according to claim 1, it is characterised in that: described piston
It is connected with magnetostrictive displacement sensor.
The synchronous control system of a kind of multi-cylinder loading tester the most according to claim 1, it is characterised in that: described servo
Valve is internally provided with the controller for controlling to adjust fluid.
The synchronous control system of a kind of multi-cylinder loading tester the most according to claim 1, it is characterised in that: described oil suction
Filter is all connected with fuel tank with air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653922.1A CN106050774A (en) | 2016-08-11 | 2016-08-11 | Synchronous control system of multi-cylinder loading testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653922.1A CN106050774A (en) | 2016-08-11 | 2016-08-11 | Synchronous control system of multi-cylinder loading testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050774A true CN106050774A (en) | 2016-10-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610653922.1A Pending CN106050774A (en) | 2016-08-11 | 2016-08-11 | Synchronous control system of multi-cylinder loading testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524649A (en) * | 2017-10-25 | 2017-12-29 | 北京富力通达科技有限公司 | The device and control method that a kind of hydraulic servo oil cylinder synchronously loads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Xuehua Inventor after: Jiang Cai Inventor after: Xu Wuben Inventor after: Lu Dan Inventor after: Li Mingyi Inventor before: Jiang Cai Inventor before: Liang Xuehua Inventor before: Xu Wuben |
|
| COR | Change of bibliographic data | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |