CN203272292U - Hydraulic system of press - Google Patents
Hydraulic system of press Download PDFInfo
- Publication number
- CN203272292U CN203272292U CN 201320273570 CN201320273570U CN203272292U CN 203272292 U CN203272292 U CN 203272292U CN 201320273570 CN201320273570 CN 201320273570 CN 201320273570 U CN201320273570 U CN 201320273570U CN 203272292 U CN203272292 U CN 203272292U
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- pipeline
- fuel tank
- hydraulic system
- 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
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a hydraulic system of a press. The hydraulic system of the press comprises an oil inlet tank and an oil outlet tank, one side of the oil inlet tank is communicated with one side of oil outlet tank through a pipeline, an air filter and two oil suction filters are arranged on the oil outlet tank, the two oil suction filters are connected with a plunger pump and a vane pump through pipelines respectively, the other end of the plunger pump is connected with a pressure relay, an overflow valve and a first check valve through a pipeline sequentially, the other end of the vane pump is connected with a first electromagnetic overflow valve, a first pressure gauge and another first check valve through a pipeline in sequence, the other ends of the two first check valves are connected to the same position through pipelines and are connected with a second electromagnetic reversing valve, a electro-hydraulic reversing valve, a second check valve and the lower cavity of an oil cylinder together in sequence, the two ends of the electro-hydraulic reversing valve are further respectively connected with a third check valve and an electromagnetic ball valve, the other end of the electromagnetic ball valve is connected with the upper cavity of the oil cylinder through a pipeline, and the upper cavity of the oil cylinder is connected with the oil inlet tank through a prefill valve. The hydraulic system of the press is economical and practical, good in using effect, long in service life and high in efficiency.
Description
Technical field
The utility model relates generally to the hydraulic system field, relates in particular to a kind of hydraulic system of press.
Background technique
Acting as by changing pressure of hydraulic system increases active force.The quality of a hydraulic system depend on system rationality, system element performance quality, the pollution protection of system and processing.The domestic hydraulics of China improves a lot in recent years, no longer merely uses external hydraulics to process, and researches and develops a kind of hydraulic system that domestic press uses that is fit to.
The model utility content
The utility model purpose is exactly in order to make up the defective of prior art, a kind of hydraulic system of press to be provided.
The utility model is achieved through the following technical solutions:
a kind of hydraulic system of press includes the oil-feed fuel tank, fuel-displaced fuel tank, the oil-feed fuel tank, one side of fuel-displaced fuel tank is equipped with level meter, and oil-feed fuel tank one side and fuel-displaced fuel tank one side are by pipeline communication, and it is characterized in that: described fuel-displaced fuel tank is provided with air filter, two oil absorption filters, two oil absorption filters are connected with plunger pump by pipeline respectively, vane pump, plunger pump, vane pump is respectively by coupling one, coupling two and main motor, auxiliary-motor connects, and the plunger pump the other end is connected with pressure relay in turn by pipeline, relief valve, one-way valve one, the vane pump the other end is connected with electromagnetic relief valve one in turn by pipeline, pressure gauge one, the other end that the other end of one, two one-way valve one of another one-way valve is connected to a place by pipeline and two, two one-way valves one of pressure gauge are installed is connected with solenoid directional control valve two jointly in turn, electro-hydraulic reversing valve, one-way valve two, the cavity of resorption of oil cylinder, the two ends of electro-hydraulic reversing valve also are connected with respectively one-way valve three, Solenoid ball valve, the other end of Solenoid ball valve is connected with the epicoele of oil cylinder by pipeline, and solenoid directional control valve two also is connected with Superimposed relief valve, and the epicoele of oil cylinder is connected with the oil-feed fuel tank by liquid-filling valve.
The hydraulic system of described a kind of press is characterized in that: the electronic signal end of described one-way valve two, solenoid directional control valve two, Superimposed relief valve, liquid-filling valve is connected successively.
The utility model has the advantages that:
Air-strainer of the present utility model, oil absorption filter as the hydraulic pressure auxiliary of oil filler, are to enter fuel tank air, oil filtration device, and protection effect is good, and major and minor motor drives respectively plunger pump, vane pump work; The utility model is economical and practical, using effect good, the life-span is long, efficient is high.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
as shown in Figure 1, a kind of hydraulic system of press includes oil-feed fuel tank 24, fuel-displaced fuel tank 2, oil-feed fuel tank 24, one side of fuel-displaced fuel tank 2 is equipped with level meter 1, and oil-feed fuel tank 24 1 sides and fuel-displaced fuel tank 2 one sides are by pipeline communication, and fuel-displaced fuel tank 2 is provided with air filter 3, 4, two oil absorption filters 4 of two oil absorption filters are connected with plunger pump 5 by pipeline respectively, vane pump 15, plunger pump 5, vane pump 15 is respectively by coupling 6, coupling 25 and main motor 7, auxiliary-motor 14 connects, and plunger pump 5 the other ends are connected with pressure relay 8 in turn by pipeline, relief valve 9, one-way valve 10, vane pump 15 the other ends are connected with electromagnetic relief valve 16 in turn by pipeline, pressure gauge 17, the other end that the other end of 10, two one-way valves 10 of another one-way valve is connected to a place by pipeline and 18, two one-way valves 10 of pressure gauge are installed is connected with solenoid directional control valve 20 jointly, electro-hydraulic reversing valve 21, one-way valve 11, the cavity of resorption of oil cylinder 12, the two ends of electro-hydraulic reversing valve 21 also are connected with respectively one-way valve 19, Solenoid ball valve 22, the other end of Solenoid ball valve 22 is connected by the epicoele of pipeline with oil cylinder 12, and solenoid directional control valve 20 also is connected with Superimposed relief valve 23, and the epicoele of oil cylinder 12 is connected with oil-feed fuel tank 24 by liquid-filling valve 13.
The electronic signal end of one-way valve 11, solenoid directional control valve 20, Superimposed relief valve 23, liquid-filling valve 13 is connected successively.
Claims (2)
1. the hydraulic system of a press, include the oil-feed fuel tank, fuel-displaced fuel tank, the oil-feed fuel tank, one side of fuel-displaced fuel tank is equipped with level meter, and oil-feed fuel tank one side and fuel-displaced fuel tank one side are by pipeline communication, and it is characterized in that: described fuel-displaced fuel tank is provided with air filter, two oil absorption filters, two oil absorption filters are connected with plunger pump by pipeline respectively, vane pump, plunger pump, vane pump is respectively by coupling one, coupling two and main motor, auxiliary-motor connects, and the plunger pump the other end is connected with pressure relay in turn by pipeline, relief valve, one-way valve one, the vane pump the other end is connected with electromagnetic relief valve one in turn by pipeline, pressure gauge one, the other end that the other end of one, two one-way valve one of another one-way valve is connected to a place by pipeline and two, two one-way valves one of pressure gauge are installed is connected with solenoid directional control valve two jointly in turn, electro-hydraulic reversing valve, one-way valve two, the cavity of resorption of oil cylinder, the two ends of electro-hydraulic reversing valve also are connected with respectively one-way valve three, Solenoid ball valve, the other end of Solenoid ball valve is connected with the epicoele of oil cylinder by pipeline, and solenoid directional control valve two also is connected with Superimposed relief valve, and the epicoele of oil cylinder is connected with the oil-feed fuel tank by liquid-filling valve.
2. the hydraulic system of a kind of press according to claim 1 is characterized in that: the electronic signal end of described one-way valve two, solenoid directional control valve two, Superimposed relief valve, liquid-filling valve is connected successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320273570 CN203272292U (en) | 2013-05-20 | 2013-05-20 | Hydraulic system of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320273570 CN203272292U (en) | 2013-05-20 | 2013-05-20 | Hydraulic system of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272292U true CN203272292U (en) | 2013-11-06 |
Family
ID=49502715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320273570 Expired - Fee Related CN203272292U (en) | 2013-05-20 | 2013-05-20 | Hydraulic system of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454706A (en) * | 2014-12-08 | 2015-03-25 | 西南铝业（集团）有限责任公司 | Hydraulic control system for semi-continuous casting speed |
| CN104929998A (en) * | 2015-06-10 | 2015-09-23 | 西北农林科技大学 | Hydraulic system for test bed of mini-type tractor in hilly mountain area |
| CN106609778A (en) * | 2015-10-23 | 2017-05-03 | 赵慧霞 | Double-power hydraulic system |
-
2013
- 2013-05-20 CN CN 201320273570 patent/CN203272292U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454706A (en) * | 2014-12-08 | 2015-03-25 | 西南铝业（集团）有限责任公司 | Hydraulic control system for semi-continuous casting speed |
| CN104929998A (en) * | 2015-06-10 | 2015-09-23 | 西北农林科技大学 | Hydraulic system for test bed of mini-type tractor in hilly mountain area |
| CN106609778A (en) * | 2015-10-23 | 2017-05-03 | 赵慧霞 | Double-power hydraulic system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203272292U (en) | Hydraulic system of press | |
| CN203335504U (en) | Power steering gear performance testing hydraulic device | |
| CN201909095U (en) | Electro-hydraulic linkage actuating mechanism | |
| CN207795747U (en) | A kind of self-discharging trailer double acting power unit | |
| CN103317757A (en) | Hydraulic system for pressing machine | |
| CN203114789U (en) | Energy saving and noise reduction hydraulic system | |
| CN201176988Y (en) | Bridge checking vehicle hydraulic detection device | |
| CN204175686U (en) | A kind of bender hydraulic system | |
| CN205078532U (en) | Two accuse hydraulic system of single oil circuit | |
| CN203956757U (en) | A kind of grinding wheel die mould unloading cylinder assembly | |
| CN204386982U (en) | A kind of lifting machine double pump hydraulic unloading power unit | |
| CN204386981U (en) | A kind of compact type moves aerial work platform power unit | |
| CN203267272U (en) | Hydraulic system of four-column pressing machine | |
| CN203809418U (en) | Hydraulic oil cylinder testing system | |
| CN203570751U (en) | Middle-position unloading damping circuit of large-flow electro-hydraulic directional control valve | |
| CN202946464U (en) | Road roller auxiliary valve group with hand-operated pump | |
| CN207986586U (en) | A kind of scissor-type lifting platform power unit | |
| CN203272318U (en) | Diesel engine hydraulic system | |
| CN202007800U (en) | Load sensing hydraulic system for tractor | |
| CN201982415U (en) | Dynamic parameter matching control device for multiplex reversing valve and hydraulic oil cylinder | |
| CN203516239U (en) | Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver | |
| CN203267271U (en) | Hydraulic system of one-armed hydraulic machine | |
| CN203081880U (en) | Electro-hydraulic control system of injection molding machine | |
| CN103557202B (en) | The meta off-load damping loop of large discharge electro-hydraulic reversing valve | |
| CN204628137U (en) | Novel vertical mill pressurized hydraulic system |
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: 20131106 Termination date: 20150520 |
|
| EXPY | Termination of patent right or utility model |