CN204458342U - Electric pump station device - Google Patents
Electric pump station device Download PDFInfo
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- CN204458342U CN204458342U CN201520073821.8U CN201520073821U CN204458342U CN 204458342 U CN204458342 U CN 204458342U CN 201520073821 U CN201520073821 U CN 201520073821U CN 204458342 U CN204458342 U CN 204458342U
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Abstract
The utility model electric pump station device, it is characterized in that: comprise fuel tank, oil absorption filter, motor, by the high-and-low-pressure dual of this motoring rotation work, first one-way valve, relief valve and two-position two-way solenoid valve, oil absorption filter and high-and-low-pressure dual are all placed in fuel tank, this oil absorption filter connects high-and-low-pressure dual successively with oil transport pipeline, export after first one-way valve, the output terminal of this oil transport pipeline is other is connected to the oil returning tube be connected with fuel tank, this two-position two-way solenoid valve is connected on oil returning tube, the entrance of relief valve is connected on the oil transport pipeline between high-and-low-pressure dual and the first one-way valve, the outlet of relief valve is connected on the oil returning tube between two-position two-way solenoid valve and fuel tank.The utility model can provide the hydraulic oil of high-pressure high-flow to export, and its volume is little.
Description
Technical field
The utility model relates to pumping plant, particularly relates to electric pump station device.
Background technique
At present, the clamp device for mould mainly relies on pneumatic pumping plant to provide power source, and following situation often appears in this pneumatic pumping plant:
1, flow is little, and the gripping means grips time for large discharge is slow;
2, complex structure, if looking up the fault problem hard when breaking down;
3, in order to make up the flow minor issue of above-mentioned appearance, conventional low-pressure hydraulic pumping plant is full of oil, and then with pneumatic pumping plant repairing, although it is fast to reach speed, the feature that pressure is high, will cause volume bigger than normal.
And the pneumatic pump that pneumatic pumping plant adopts exists following defect: due to the piston rod to-and-fro motion of pneumatic pump, then the hydraulic oil that pneumatic pump is discharged is interrupted, and its discharge capacity is little, long to the large-scale gripping means grips time, consumes energy high.
Model utility content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide electric pump station device, and it can provide the hydraulic oil of high-pressure high-flow to export, and its volume is little.
The purpose of this utility model realizes by the following technical solutions:
Electric pump station device, comprise fuel tank, oil absorption filter, motor, by the high-and-low-pressure dual of this motoring rotation work, first one-way valve, relief valve and two-position two-way solenoid valve, oil absorption filter and high-and-low-pressure dual are all placed in fuel tank, this oil absorption filter connects high-and-low-pressure dual successively with oil transport pipeline, export after first one-way valve, the output terminal of this oil transport pipeline is other is connected to the oil returning tube be connected with fuel tank, this two-position two-way solenoid valve is connected on oil returning tube, the entrance of relief valve is connected on the oil transport pipeline between high-and-low-pressure dual and the first one-way valve, the outlet of relief valve is connected on the oil returning tube between two-position two-way solenoid valve and fuel tank.
Preferably, described high-and-low-pressure dual comprises high-pressure service pump, low pressure pump, the second one-way valve and unloading valve, high pressure pump delivery is less than low pressure pump delivery, high-pressure service pump and low pressure pump are connected to the output terminal of oil absorption filter, second one-way valve is connected between high pressure delivery side of pump and low pressure delivery side of pump, unloading valve is connected to the second one-way valve, and the outlet of this unloading valve is connected with the outlet of oil absorption filter.
Preferably, described fuel tank is provided with the level meter for detecting hydraulic oil liquid level in fuel tank.
Preferably, described fuel tank is provided with and also externally sends the liquid level relay of signal for detecting hydraulic oil liquid level in fuel tank.
Preferably, described fuel tank is provided with for fuel tank hydraulic oil filling and fuel tank inner air and outer air exchange of air filter cleaner.
Preferably, the output terminal of described oil transport pipeline is connected with the first pressure switch, the second pressure switch and pressure gauge in turn along the throughput direction of hydraulic oil, the first pressure switch, the second pressure switch electrical connection electric motor respectively.
Compared to existing technology, the beneficial effects of the utility model are:
The switching setting of the utility model by two-position two-way solenoid valve and the pressurized overflow effect excessively of relief valve, can unload the hydraulic pressure exceeding setting pressure and be back to fuel tank through oil returning tube, simultaneously, the hydraulic oil providing high-pressure high-flow due to high-and-low-pressure dual exports, and its volume can control less, fully to meet the oil pressure output condition of large discharge, high pressure; Particularly, when working pressure is lower than pressure unloading, two pumps work together; When working pressure is higher than pressure unloading, only have the high-pressure service pump work of small displacement, the off-load of huge discharge low pressure pump, to save the energy, reduce hydraulic oil heating, reduce the clamping time of hydraulic oil output to connected external clip device.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the utility model electric pump station device.
In figure: 1, fuel tank; 2, oil absorption filter; 3, motor; 4, high-and-low-pressure dual; 41, high-pressure service pump; 42, low pressure pump; 43, the second one-way valve; 44, unloading valve; 5, the first one-way valve; 6, relief valve; 7, two-position two-way solenoid valve; 8, oil transport pipeline; 9, oil returning tube; 10, level meter; 11, liquid level relay; 12, air-strainer; 13, the first pressure switch; 14, the second pressure switch; 15, pressure gauge.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
Electric pump station device as shown in Figure 1, comprise fuel tank 1, oil absorption filter 2, motor 3, the high-and-low-pressure dual 4 of rotation work is driven by this motor 3, first one-way valve 5, relief valve 6 and two-position two-way solenoid valve 7, oil absorption filter 2 and high-and-low-pressure dual 4 are all placed in fuel tank 1, this oil absorption filter 2 connects high-and-low-pressure dual 4 successively with oil transport pipeline 8, export after first one-way valve 5, the output terminal of this oil transport pipeline 8 is other is connected to the oil returning tube 9 be connected with fuel tank 1, this two-position two-way solenoid valve 7 is connected on oil returning tube 9, the entrance of relief valve 6 is connected on the oil transport pipeline 8 between high-and-low-pressure dual 4 and the first one-way valve 5, the outlet of relief valve 6 is connected on the oil returning tube 9 between two-position two-way solenoid valve 7 and fuel tank 1.
By the switching setting of two-position two-way solenoid valve 7 and the pressurized overflow effect excessively of relief valve 6, can unload the hydraulic pressure exceeding setting pressure and be back to fuel tank 1 through oil returning tube 9, simultaneously, the hydraulic oil providing high-pressure high-flow due to high-and-low-pressure dual 4 exports, and its volume can control less, fully to meet the oil pressure output condition of large discharge, high pressure.Wherein, relief valve 6 adopts plug-in overflow valve, and when pressure exceedes relief valve 6 setting pressure, its poppet valve core is opened, and prevents the hydraulic oil overvoltage exported.The setting pressure of this relief valve 6 can adjust with the pressure-adjusting screw on relief valve 6; First one-way valve 5 adopts tubular type one-way valve, and its more compact structure is leaked low, guarantees system pressurize; Pressurize during two-position two-way solenoid valve 7 power-off, when two-position two-way solenoid valve 7 is energized, hydraulic oil through two-position two-way solenoid valve 7 oil sump tank 1, system unloaded; Oil absorption filter 2 is for the impurity in filtered fluid force feed.
As preferred embodiment, this routine high-and-low-pressure dual 4 comprises high-pressure service pump 41, low pressure pump 42, second one-way valve 43 and unloading valve 44, the discharge capacity of high-pressure service pump 41 is less than the discharge capacity of low pressure pump 42, high-pressure service pump 41 and low pressure pump 42 are connected to the output terminal of oil absorption filter 2, second one-way valve 43 is connected between the outlet of high-pressure service pump 41 and the outlet of low pressure pump 42, unloading valve 44 is connected to the second one-way valve 43, and the outlet of this unloading valve 44 is connected with the outlet of oil absorption filter 2.When working pressure is lower than pressure unloading, two pumps work together; When working pressure is higher than pressure unloading, only have the high-pressure service pump 41 of small displacement to work, low pressure pump 42 off-load of huge discharge, to save the energy, reduce hydraulic oil heating, reduce the clamping time of hydraulic oil output to connected external clip device.
For ease of showing the number of the hydraulic oil in fuel tank 1 in time, fuel tank 1 is provided with the level meter 10 for detecting hydraulic oil liquid level in fuel tank 1.
In order to exceed hydraulic oil in fuel tank 1 in time or lower than after setting range, send signal, fuel tank 1 is provided with and also externally sends the liquid level relay 11 of signal for detecting hydraulic oil liquid level in fuel tank 1.
Preferably, fuel tank 1 is provided with for fuel tank 1 hydraulic oil filling and fuel tank 1 inner air and outer air exchange of air filter cleaner 12.
The output terminal of the oil transport pipeline 8 of this example is connected with the first pressure switch 13, second pressure switch 14 and pressure gauge 15 in turn along the throughput direction of hydraulic oil, pressure gauge 15 is for showing the hydraulic fluid pressure of oil transport pipeline 8 output terminal, and the first pressure switch 13, second pressure switch 14 is electrical connection electric motor 3 respectively.The mode of two pressure switches (pressure relay) is adopted to realize: when system pressure reaches the setting pressure of first pressure switch 13 upper limit, motor 3 shuts down.After motor 3 shuts down, system pressure slowly reduces, and when the setting pressure of system pressure lower than the second pressure switch 14 lower limit, motor 3 operates once again.By the intermittent running of motor 3, between the lower limit making system pressure remain on two pressure switch setting pressures and the upper limit, to make motor 3 need not startup always, the effect of saving the energy can be played further, play environmental-protection function.
To one skilled in the art, according to technological scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (6)
1. electric pump station device, it is characterized in that: comprise fuel tank, oil absorption filter, motor, by the high-and-low-pressure dual of this motoring rotation work, first one-way valve, relief valve and two-position two-way solenoid valve, oil absorption filter and high-and-low-pressure dual are all placed in fuel tank, this oil absorption filter connects high-and-low-pressure dual successively with oil transport pipeline, export after first one-way valve, the output terminal of this oil transport pipeline is other is connected to the oil returning tube be connected with fuel tank, this two-position two-way solenoid valve is connected on oil returning tube, the entrance of relief valve is connected on the oil transport pipeline between high-and-low-pressure dual and the first one-way valve, the outlet of relief valve is connected on the oil returning tube between two-position two-way solenoid valve and fuel tank.
2. electric pump station device according to claim 1, it is characterized in that: described high-and-low-pressure dual comprises high-pressure service pump, low pressure pump, the second one-way valve and unloading valve, high pressure pump delivery is less than low pressure pump delivery, high-pressure service pump and low pressure pump are connected to the output terminal of oil absorption filter, second one-way valve is connected between high pressure delivery side of pump and low pressure delivery side of pump, unloading valve is connected to the second one-way valve, and the outlet of this unloading valve is connected with the outlet of oil absorption filter.
3. electric pump station device according to claim 1, is characterized in that: described fuel tank is provided with the level meter for detecting hydraulic oil liquid level in fuel tank.
4. electric pump station device according to claim 1, is characterized in that: described fuel tank is provided with and also externally sends the liquid level relay of signal for detecting hydraulic oil liquid level in fuel tank.
5. electric pump station device according to claim 1, is characterized in that: described fuel tank is provided with for fuel tank hydraulic oil filling and fuel tank inner air and outer air exchange of air filter cleaner.
6. the electric pump station device according to any one of Claims 1 to 5, it is characterized in that: the output terminal of described oil transport pipeline is connected with the first pressure switch, the second pressure switch and pressure gauge in turn along the throughput direction of hydraulic oil, the first pressure switch, the second pressure switch electrical connection electric motor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073821.8U CN204458342U (en) | 2015-02-02 | 2015-02-02 | Electric pump station device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073821.8U CN204458342U (en) | 2015-02-02 | 2015-02-02 | Electric pump station device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458342U true CN204458342U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520073821.8U Active CN204458342U (en) | 2015-02-02 | 2015-02-02 | Electric pump station device |
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| CN (1) | CN204458342U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545531A (en) * | 2015-09-18 | 2017-03-29 | 哈尔滨飞机工业集团有限责任公司 | A kind of aircraft is pressurized voltage supply system |
| CN108332047A (en) * | 2017-12-28 | 2018-07-27 | 天津良华新能源科技有限公司 | A kind of hydraulic substation |
| CN108561348A (en) * | 2018-07-11 | 2018-09-21 | 中铁磁浮科技（成都）有限公司 | Magnetic-levitation train hydraulic support system and control method |
| CN109340074A (en) * | 2018-10-18 | 2019-02-15 | 中国海洋石油集团有限公司 | A kind of hydraulic control system |
| CN110578665A (en) * | 2018-06-08 | 2019-12-17 | 保时捷股份公司 | Motor vehicle pump assembly |
| CN114234051A (en) * | 2022-01-10 | 2022-03-25 | 西安振宇电子工程有限公司 | Multi-pump integrated mixed fluid conveying device |
-
2015
- 2015-02-02 CN CN201520073821.8U patent/CN204458342U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545531A (en) * | 2015-09-18 | 2017-03-29 | 哈尔滨飞机工业集团有限责任公司 | A kind of aircraft is pressurized voltage supply system |
| CN108332047A (en) * | 2017-12-28 | 2018-07-27 | 天津良华新能源科技有限公司 | A kind of hydraulic substation |
| CN108332047B (en) * | 2017-12-28 | 2023-09-19 | 天津良华新能源科技股份有限公司 | Hydraulic substation |
| CN110578665A (en) * | 2018-06-08 | 2019-12-17 | 保时捷股份公司 | Motor vehicle pump assembly |
| US11168675B2 (en) | 2018-06-08 | 2021-11-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle pump arrangement |
| CN108561348A (en) * | 2018-07-11 | 2018-09-21 | 中铁磁浮科技（成都）有限公司 | Magnetic-levitation train hydraulic support system and control method |
| CN109340074A (en) * | 2018-10-18 | 2019-02-15 | 中国海洋石油集团有限公司 | A kind of hydraulic control system |
| CN114234051A (en) * | 2022-01-10 | 2022-03-25 | 西安振宇电子工程有限公司 | Multi-pump integrated mixed fluid conveying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 526238 Linjiang Industrial Zone, hi tech Zone, Guangdong, Zhaoqing Patentee after: Guangdong Huamao Precision Manufacturing Co.,Ltd. Address before: 526238 Linjiang Industrial Zone, hi tech Zone, Guangdong, Zhaoqing Patentee before: HUAMAO MACHINERY (ZHAOQING) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |