CN201554706U - Hydraulic system of oil press filter - Google Patents
Hydraulic system of oil press filter Download PDFInfo
- Publication number
- CN201554706U CN201554706U CN2009202027728U CN200920202772U CN201554706U CN 201554706 U CN201554706 U CN 201554706U CN 2009202027728 U CN2009202027728 U CN 2009202027728U CN 200920202772 U CN200920202772 U CN 200920202772U CN 201554706 U CN201554706 U CN 201554706U
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- Prior art keywords
- oil
- pump group
- valve
- oil cylinder
- hydraulic
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- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic system of an oil press filter, which can meet different flow rates and pressures of a plate ejecting oil cylinder and a plate pulling oil cylinder and realize fast plate puling, and comprises a gear pump group and a plunger pump group, wherein the gear pump group and the plunger pump group are communicated with an oil tank, the oil pressing end of the plunger pump group is connected with an electro-hydraulic directional control valve, the electro-hydraulic directional control valve is connected with the oil inlet end of the plate ejecting oil cylinder through a hydraulic-operated check valve, the oil return end of the plate ejecting oil cylinder is connected with the control end of the hydraulic-operated check valve and connected with straight oil-return filter through a safety overflow valve, the safety overflow valve is connected at two ends of the electro-hydraulic directional control valve in parallel, and the gear pump group drives one group or a plurality of groups of plate pulling oil cylinders. The hydraulic system has the advantages that: 1) the gear pump group drives one group or the plurality of groups of the plate pulling oil cylinders, thereby shortening the total plate pulling time and leading the plate pulling speed to be faster; and 2) the plunger pump group and the gear pump group provide hydraulic energy for subsystems thereof respectively, and can meet the requirements on the different flow rates and the different pressures of the plate ejecting oil cylinder and the plate pulling oil cylinder.
Description
Technical field
The utility model relates to a kind ofly can satisfy top board oil cylinder flow different with the arm-tie oil cylinder and pressure requirement, and arm-tie is oil pressure filter hydraulic system fast, belongs to hydraulic system and makes the field.
Background technique
CN2687303, title " high efficient, high pressure hydraulic system ", it comprises oil suction oil purifier, hydraulic-pressure pump, selector valve, pressure gauge, revolution motor, lift motor, bath filter, hydraulic pressure radiator, oil return oil purifier, antiwear hydraulic oil, antiwear hydraulic oil is built-in with oil suction oil purifier, bath filter, hydraulic pressure radiator, oil return oil purifier, the oil suction oil purifier is communicated with hydraulic-pressure pump, and the hydraulic pressure radiator is communicated with the oil return oil purifier.Its deficiency: the one, oil pump can not satisfy hold-down cylinder flow different with the arm-tie cylinder and pressure requirement; The 2nd, the big and installation inconvenience of oil pump vibrations.
Summary of the invention
Purpose of design: avoid the deficiency in the background technique, design and a kind ofly can satisfy top board oil cylinder flow different with the arm-tie oil cylinder and pressure requirement, arm-tie is oil pressure filter hydraulic system fast.
Design proposal: in order to realize above-mentioned purpose of design.1, gear pump group and plunger pump group are communicated with fuel tank, the pressure oil end of plunger pump group links to each other with electro-hydraulic reversing valve, electro-hydraulic reversing valve is connected with top board oil cylinder oil inlet end by Pilot operated check valve, the oil revolving end of top board oil cylinder links to each other with the control end of Pilot operated check valve and links to each other with the direct returning type return filter by safety overflow valve, safety overflow valve is connected in parallel on the design at the two ends of electro-hydraulic reversing valve, is one of technical characteristics of the present utility model.The purpose of doing like this is: adopted Pilot operated check valve, constituted pressure dwelling loop, release and piston rod are steady as far as possible when the displacement of rodless cavity side starts when making superpressure.2, the gear pump group drives the design of one or more groups arm-tie oil cylinder, is two of technical characteristics of the present utility model.The purpose of doing like this is: many group arm-tie oil cylinders can be set, shorten total arm-tie time, make arm-tie quicker.3, fuel tank is provided with the design of air-strainer, is three of technical characteristics of the present utility model.The purpose of doing like this is: air-strainer can prevent that impurity from entering in the fuel tank, and oil pump can not damaged because of sucking impurity, makes the longer service life of system.
Technological scheme: oil pressure filter hydraulic system, it comprises gear pump group and plunger pump group, described gear pump group and plunger pump group are communicated with fuel tank, the pressure oil end of plunger pump group links to each other with electro-hydraulic reversing valve, electro-hydraulic reversing valve is connected with top board oil cylinder oil inlet end by Pilot operated check valve, the oil revolving end of top board oil cylinder links to each other with the control end of Pilot operated check valve and links to each other with the direct returning type return filter by safety overflow valve, safety overflow valve is connected in parallel on the two ends of electro-hydraulic reversing valve, and the gear pump group drives one or more groups arm-tie oil cylinder.
The utility model is compared with background technique, and the one, the gear pump group drives one or more groups arm-tie oil cylinder, has shortened total arm-tie time, and arm-tie is quicker; The 2nd, plunger pump group and gear pump group provide the hydraulic pressure energy to subtense angle separately, can satisfy top board oil cylinder flow different with the arm-tie oil cylinder and pressure requirement.
Description of drawings
Fig. 1 is the structural representation of oil pressure filter hydraulic system.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of oil pressure filter hydraulic system, it comprises gear pump group 1 and plunger pump group 2, described gear pump group 1 and plunger pump group 2 are communicated with fuel tank 3, the pressure oil end of plunger pump group 2 links to each other with electro-hydraulic reversing valve 4, electro-hydraulic reversing valve 4 is connected with top board oil cylinder 6 oil inlet ends by Pilot operated check valve 5, the control end of the oil revolving end of top board oil cylinder 6 and Pilot operated check valve 5 links to each other and links to each other with direct returning type return filter 8 by safety overflow valve 7, safety overflow valve 7 is connected in parallel on the two ends of electro-hydraulic reversing valve 4, and gear pump group 1 drives one or more groups arm-tie oil cylinder 9.
Described gear pump group 1 presses first solenoid directional control valve 10 of oil end to be connected with the oil inlet end of arm-tie oil cylinder 9 with second solenoid directional control valve 11, and the oil revolving end of arm-tie oil cylinder 9 is connected with direct returning type return filter 8 by first solenoid directional control valve 10.
Described plunger pump group 2 is pressed oily termination that ordinarily manometer 12 is arranged and be connected to system's relief valve 13 between pressure oil end and direct returning type return filter 8.
Described gear pump group 1 is pressed oily termination that ordinarily manometer 12 is arranged and be connected to safety overflow valve 7 between pressure oil end and direct returning type return filter 8.
The oil inlet end of described top board oil cylinder 6 is connected to pressure gauge with electric contact 14, safety overflow valve 7 and Solenoid ball valve 15 and connect after be connected between top board oil cylinder 6 oil inlet ends and the direct returning type return filter 8.
Described fuel tank 3 sides are provided with liquid thermometer 16.
Described fuel tank 3 is provided with air-strainer 17.
What need understand is: though the foregoing description is to the utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of model utility mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (7)
1. oil pressure filter hydraulic system, it comprises gear pump group and plunger pump group, it is characterized in that: described gear pump group and plunger pump group are communicated with fuel tank, the pressure oil end of plunger pump group links to each other with electro-hydraulic reversing valve, electro-hydraulic reversing valve is connected with top board oil cylinder oil inlet end by Pilot operated check valve, the oil revolving end of top board oil cylinder links to each other with the control end of Pilot operated check valve and links to each other with the direct returning type return filter by safety overflow valve, safety overflow valve is connected in parallel on the two ends of electro-hydraulic reversing valve, and the gear pump group drives one or more groups arm-tie oil cylinder.
2. the hydraulic system of oil pressure filter according to claim 1, it is characterized in that: described gear pump group presses first solenoid directional control valve of oil end to be connected with the oil inlet end of second solenoid directional control valve with the arm-tie oil cylinder, and the oil revolving end of arm-tie oil cylinder is connected with the direct returning type return filter by first solenoid directional control valve.
3. the hydraulic system of oil pressure filter according to claim 1 is characterized in that: described plunger pump group is pressed oily termination that ordinarily manometer is arranged and be connected to system's relief valve between pressure oil end and direct returning type return filter.
4. the hydraulic system of oil pressure filter according to claim 1 is characterized in that: described gear pump group is pressed oily termination that ordinarily manometer is arranged and be connected to safety overflow valve between pressure oil end and direct returning type return filter.
5. the hydraulic system of oil pressure filter according to claim 1 is characterized in that: the oil inlet end of described top board oil cylinder is connected to pressure gauge with electric contact, safety overflow valve and Solenoid ball valve and connect after be connected between top board oil cylinder oil inlet end and the direct returning type return filter.
6. the hydraulic system of oil pressure filter according to claim 1 is characterized in that: described fuel tank side is provided with liquid thermometer.
7. the hydraulic system of oil pressure filter according to claim 1 is characterized in that: described fuel tank is provided with air-strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202027728U CN201554706U (en) | 2009-12-21 | 2009-12-21 | Hydraulic system of oil press filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202027728U CN201554706U (en) | 2009-12-21 | 2009-12-21 | Hydraulic system of oil press filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554706U true CN201554706U (en) | 2010-08-18 |
Family
ID=42614388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202027728U Expired - Fee Related CN201554706U (en) | 2009-12-21 | 2009-12-21 | Hydraulic system of oil press filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201554706U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374209A (en) * | 2011-11-08 | 2012-03-14 | 山西森尔科技有限公司 | Rigid telescopic oil tube with oil supply and oil discharge functions |
| CN104500482A (en) * | 2014-11-11 | 2015-04-08 | 无锡市张泾机械设备厂 | Energy-saving hydraulic system of filter press |
| CN105545845A (en) * | 2015-11-25 | 2016-05-04 | 上海电气液压气动有限公司 | Hydraulic driving device of oversized heavy device |
| CN108635921A (en) * | 2018-07-18 | 2018-10-12 | 上海同臣环保有限公司 | The superelevation compression elasticity squeezer that a kind of squeeze force is balanced, filter plate frame sealing force is constant |
-
2009
- 2009-12-21 CN CN2009202027728U patent/CN201554706U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374209A (en) * | 2011-11-08 | 2012-03-14 | 山西森尔科技有限公司 | Rigid telescopic oil tube with oil supply and oil discharge functions |
| CN102374209B (en) * | 2011-11-08 | 2013-11-13 | 山西森尔科技有限公司 | Rigid telescopic oil tube with oil supply and oil discharge functions |
| CN104500482A (en) * | 2014-11-11 | 2015-04-08 | 无锡市张泾机械设备厂 | Energy-saving hydraulic system of filter press |
| CN105545845A (en) * | 2015-11-25 | 2016-05-04 | 上海电气液压气动有限公司 | Hydraulic driving device of oversized heavy device |
| CN105545845B (en) * | 2015-11-25 | 2017-06-06 | 上海电气液压气动有限公司 | A kind of fluid pressure drive device of super large jumbo |
| CN108635921A (en) * | 2018-07-18 | 2018-10-12 | 上海同臣环保有限公司 | The superelevation compression elasticity squeezer that a kind of squeeze force is balanced, filter plate frame sealing force is constant |
| CN108635921B (en) * | 2018-07-18 | 2024-03-19 | 上海同臣环保有限公司 | Ultra-high pressure elastic squeezer with balanced squeezing force and constant sealing force of filter plate frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20141221 |
|
| EXPY | Termination of patent right or utility model |