CN201196176Y - Liquid filling device of hydraulic cylinder controlled by reversal valve - Google Patents
Liquid filling device of hydraulic cylinder controlled by reversal valve Download PDFInfo
- Publication number
- CN201196176Y CN201196176Y CNU2008200209873U CN200820020987U CN201196176Y CN 201196176 Y CN201196176 Y CN 201196176Y CN U2008200209873 U CNU2008200209873 U CN U2008200209873U CN 200820020987 U CN200820020987 U CN 200820020987U CN 201196176 Y CN201196176 Y CN 201196176Y
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- CN
- China
- Prior art keywords
- way valve
- oil hydraulic
- hydraulic cylinder
- connects
- programmable controller
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a reversing valve control hydraulic cylinder liquid-filled device, which comprises a switch reluctance motor, a hydraulic cylinder, a three-position four-way valve, a pressure transducer, a hydraulic pump, a machine controller, a programmable controller, a reversing valve relay and a supervisory keyboard, wherein the input end of the machine controller is connected with the supervisory keyboard, the output end is connected with the switch reluctance motor which is connected with the hydraulic pump, the hydraulic cylinder is connected with the three-position four-way valve whose input end is connected with the hydraulic pump via a channel which is provided with the pressure transducer, the output end of the pressure transducer is connected with the programmable controller whose output end is connected with the machine controller and the control end of the three-position four-way valve via the reversing valve relay. The device is characterized by increasing a two position two-way valve and a top petrol tank, wherein the input end of the two position two-way valve is connected with the top petrol tank, the output end is connected with the liquid-filled end of the hydraulic cylinder, and the control end is connected with the programmable controller via the reversing valve relay. The device is controllered by the reversing valve and controls liquid-filling according to liquid pressure, which is good in working performance.
Description
Technical field
The utility model provides a kind of selector valve control oil hydraulic cylinder charging device, belongs to the hydraulic machinery field.
Background technique
The oil hydraulic cylinder hydromechanical system adopts Pilot operated check valve to control for a long time always, has the easily defective of stifled match of hydraulic control mouth.Along with the application of switched reluctance machines, realized the Digital Control of flow, pressure, the oil hydraulic cylinder hydromechanical system can eliminate the Pilot operated check valve of easy fault, and then adopts automatically controlled selector valve control.
The model utility content
The purpose of this utility model provides a kind of selector valve control oil hydraulic cylinder charging device that can overcome above-mentioned defective, the action of electric-controlled hydraulic cylinder topping up, reliable working performance.Its technological scheme is:
The control system that comprises hydraulic system and switched reluctance machines, wherein hydraulic system comprises oil hydraulic cylinder, three-position four-way valve, pressure transducer and oil hydraulic pump, control system comprises electric machine controller, programmable controller, selector valve relay and supervisory keyboard, the input termination supervisory keyboard of electric machine controller, its signal output part connects switched reluctance machines, switched reluctance machines connects oil hydraulic pump, oil hydraulic cylinder connects three-position four-way valve, the pipeline of the input end of three-position four-way valve through being provided with pressure transducer connects oil hydraulic pump, the output termination programmable controller of pressure transducer, the output termination electric machine controller of programmable controller, and connect the control end of three-position four-way valve through the selector valve relay, it is characterized in that: set up two position two-way valve and top petrol tank, the input termination top petrol tank of two position two-way valve wherein, the topping up end of output termination oil hydraulic cylinder, control end connects programmable controller through the selector valve relay.
Described selector valve control oil hydraulic cylinder charging device, supervisory keyboard adopts the touch screen supervisory keyboard.
Described selector valve control oil hydraulic cylinder charging device, oil hydraulic cylinder adopts a plurality of, and each oil hydraulic cylinder correspondence is provided with a three-position four-way valve, and programmable controller connects the control end of corresponding three-position four-way valve respectively through the selector valve relay.
Described selector valve control oil hydraulic cylinder charging device, oil hydraulic cylinder adopts hydraulic pressure primary and secondary cylinder, corresponding two position two-way valve with it has two, and set up two position three-way valve, wherein programmable controller connects the control end of corresponding two position three-way valve through the selector valve relay, the sub-cylinder of the output termination oil hydraulic cylinder of a two position two-way valve, and sub-cylinder connects three-position four-way valve, female cylinder of the output termination oil hydraulic cylinder of another two position two-way valve, female cylinder connect oil hydraulic pump through two position three-way valve and the pipeline that is provided with pressure transducer successively.
Its working principle is: when descent of piston, programmable controller is through the conducting of selector valve relay control bi-bit bi-pass selector valve, the additional liquid feed liquor cylinder pressure of top petrol tank, when pressure transducer measures fluid pressure when reaching setting value, signal to programmable controller, programmable controller turn-offs through selector valve relay control bi-bit bi-pass selector valve, the high pressure oil of oil hydraulic pump enters oil hydraulic cylinder through three-position four-way valve, apply working pressure to piston, during backhaul, the conducting of bi-bit bi-pass selector valve, the epicoele fluid of oil hydraulic cylinder returns top petrol tank fast.
The utility model compared with prior art has following advantage:
1, by selector valve control oil hydraulic cylinder hydromechanical system, saved Pilot operated check valve, simple and reasonable, reliable working performance.
2, control topping up by programmable controller according to fluid pressure, realized program control.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation;
Fig. 2 is the utility model embodiment 2 a structural representation.
Among the figure: 1, electric machine controller 2, switched reluctance machines 3, oil hydraulic pump 4, fuel tank 5, three-position four-way valve 6, pipeline 7, piston 8, oil hydraulic cylinder 9, two position two-way valve 10, pressure transducer 11, selector valve relay 12, programmable controller 13, supervisory keyboard 14, two position three-way valve 15, top petrol tank
Embodiment
Below in conjunction with accompanying drawing the utility model is carried out brief description: in the embodiment shown in fig. 1, supervisory keyboard 13 adopts the touch screen supervisory keyboard to connect programmable controller 12 and electric machine controller 1, the signal output part of electric machine controller 1 connects switched reluctance machines 2, switched reluctance machines 2 links oil hydraulic pump 3, the output termination electric machine controller 1 of programmable controller 12, and connect the control end of three-position four-way valve 5 and two position two-way valve 9 through selector valve relay 11, oil hydraulic cylinder 8 connects three-position four-way valve 5 and two position two-way valve 9, two position two-way valve 9 connects top petrol tank 15, the pipeline 6 of the input end of three-position four-way valve 5 through being provided with pressure transducer 10 connects oil hydraulic pump 3, the output termination programmable controller 12 of pressure transducer 10.
Embodiment shown in Figure 2 is substantially with embodiment 1, just oil hydraulic cylinder 8 adopts hydraulic pressure primary and secondary cylinder, corresponding two position two-way valve 9 with it has two, and set up two position three-way valve 14, the sub-cylinder of the output termination oil hydraulic cylinder 8 of one of them two position two-way valve 9, sub-cylinder connects three-position four-way valve 14, and female cylinder of the output termination oil hydraulic cylinder 8 of another two position two-way valve 9, female cylinder connect oil hydraulic pump 3 through two position three-way valve 14 and the pipeline 6 that is provided with pressure transducer 10 successively.
The utility model can be used for the hydraulic system of various mechanized equipments, (as Transport Machinery, metal forming machinery, metallurgical machinery, forming machine, oil hydraulic press, injection machine, die casting machine, milling train pressurization machinery etc.) can replace using the traditional electrohydraulic servo system of electrohydraulic control and the hydraulic system of AC Servo Motor Control on hydraulicdriven servounit, along with further developing of technology, system also can obtain big development at other field.
Claims (4)
1. selector valve control oil hydraulic cylinder charging device, the control system that comprises hydraulic system and switched reluctance machines (2), wherein hydraulic system comprises oil hydraulic cylinder (8), three-position four-way valve (5), pressure transducer (10) and oil hydraulic pump (3), control system comprises electric machine controller (1), programmable controller (12), selector valve relay (11) and supervisory keyboard (13), the input termination supervisory keyboard (13) of electric machine controller (1), its signal output part connects switched reluctance machines (2), switched reluctance machines (2) connects oil hydraulic pump (3), oil hydraulic cylinder (8) connects three-position four-way valve (5), the pipeline (6) of the input end of three-position four-way valve (5) through being provided with pressure transducer (10) connects oil hydraulic pump (3), the output termination programmable controller (12) of pressure transducer (10), the output termination electric machine controller (1) of programmable controller (12), and connect the control end of three-position four-way valve (5) through selector valve relay (11), it is characterized in that: set up two position two-way valve (9) and top petrol tank (15), the input termination top petrol tank (15) of two position two-way valve (9) wherein, the topping up end of output termination oil hydraulic cylinder (8), control end connects programmable controller (12) through selector valve relay (11).
2. selector valve control oil hydraulic cylinder charging device as claimed in claim 1 is characterized in that: supervisory keyboard (13) adopts the touch screen supervisory keyboard.
3. selector valve control oil hydraulic cylinder charging device as claimed in claim 1, it is characterized in that: oil hydraulic cylinder (8) adopts a plurality of, each oil hydraulic cylinder (8) correspondence is provided with a three-position four-way valve (5), and programmable controller (12) connects the control end of corresponding three-position four-way valve (5) respectively through selector valve relay (11).
4. selector valve control oil hydraulic cylinder charging device as claimed in claim 1, it is characterized in that: oil hydraulic cylinder (8) adopts hydraulic pressure primary and secondary cylinder, corresponding two position two-way valve with it (9) has two, and set up two position three-way valve (14), wherein programmable controller (12) connects the control end of corresponding two position three-way valve (14) through selector valve relay (11), the sub-cylinder of the output termination oil hydraulic cylinder (8) of a two position two-way valve (9), sub-cylinder connects three-position four-way valve (5), female cylinder of the output termination oil hydraulic cylinder (8) of another two position two-way valve (9), female cylinder connect oil hydraulic pump (3) through two position three-way valve (14) and the pipeline (6) that is provided with pressure transducer (10) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200209873U CN201196176Y (en) | 2008-04-18 | 2008-04-18 | Liquid filling device of hydraulic cylinder controlled by reversal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200209873U CN201196176Y (en) | 2008-04-18 | 2008-04-18 | Liquid filling device of hydraulic cylinder controlled by reversal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196176Y true CN201196176Y (en) | 2009-02-18 |
Family
ID=40415812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200209873U Expired - Fee Related CN201196176Y (en) | 2008-04-18 | 2008-04-18 | Liquid filling device of hydraulic cylinder controlled by reversal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196176Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513476A (en) * | 2011-12-29 | 2012-06-27 | 河北建筑工程学院 | Fast feeding and low-speed extrusion steel reinforcing steel bar cold extrusion system and method |
| CN105020208A (en) * | 2015-08-10 | 2015-11-04 | 株洲湘火炬火花塞有限责任公司 | Hydraulic system operation control method and system device for isostatic pressing powder forming |
| CN107244609A (en) * | 2017-07-25 | 2017-10-13 | 中国核工业第五建设有限公司 | Automatic leveling hanging device, system and method |
-
2008
- 2008-04-18 CN CNU2008200209873U patent/CN201196176Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513476A (en) * | 2011-12-29 | 2012-06-27 | 河北建筑工程学院 | Fast feeding and low-speed extrusion steel reinforcing steel bar cold extrusion system and method |
| CN105020208A (en) * | 2015-08-10 | 2015-11-04 | 株洲湘火炬火花塞有限责任公司 | Hydraulic system operation control method and system device for isostatic pressing powder forming |
| CN105020208B (en) * | 2015-08-10 | 2017-05-10 | 株洲湘火炬火花塞有限责任公司 | Hydraulic system operation control method and system device for isostatic pressing powder forming |
| CN107244609A (en) * | 2017-07-25 | 2017-10-13 | 中国核工业第五建设有限公司 | Automatic leveling hanging device, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20100418 |