CN212407149U - Speed regulator oil pressure system - Google Patents
Speed regulator oil pressure system Download PDFInfo
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- CN212407149U CN212407149U CN202020580078.6U CN202020580078U CN212407149U CN 212407149 U CN212407149 U CN 212407149U CN 202020580078 U CN202020580078 U CN 202020580078U CN 212407149 U CN212407149 U CN 212407149U
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Abstract
The utility model discloses a speed regulator oil pressure system, which comprises an oil supply tank, an energy accumulator and an oil return tank; the oil supply tank is communicated with the energy accumulator through an oil supply pipe, and a first hydraulic system is arranged on the oil supply pipe; the energy accumulator is communicated with the oil return tank through an oil return pipe, and a fourth gate valve is arranged on the oil return pipe; the oil supply tank is communicated with the oil return tank through a flow guide pipe, and a second hydraulic system is arranged on the flow guide pipe; the energy accumulator is provided with an automatic air supply device and supplies oil to the speed regulator through a pressure pipe; the oil return tank is provided with a dirty oil area, a settling area and an oil purifying area; the device comprises a dirty oil area, a clean oil area, a sedimentation area, a first filtering clapboard, a second filtering clapboard and a filter, wherein the dirty oil area and the clean oil area are arranged side by side; the first filtering partition plate is obliquely arranged, and one end of the oil return pipe connected with the oil return box penetrates through the first filtering partition plate and extends into the settling zone.
Description
Technical Field
The utility model relates to a speed regulator oil pressure system.
Background
The oil pressure device is used for stably, safely and reliably providing pressure oil for the speed regulator and other devices. The existing oil pressure device and oil equipment thereof form a closed circulating oil path, and cleaning oil in an oil purification area in an oil return tank is sucked through an oil suction pipe of an oil pump and is sent into a pressure tank after being boosted. When the oil return tank works normally, the upper half part of the tank is compressed air, the lower half part of the tank is pressure oil, the pressure oil in the tank is led out through a pressure oil pipeline and is sent to an oil receiver, and return oil is sent to a dirty oil area of an oil return tank through an oil return pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a speed regulator oil pressure system, this oil pressure system can filter the oil return and the oil leak of speed regulator to the cyclic utilization of hydraulic oil.
In order to solve the technical problem, the utility model provides a speed regulator oil pressure system, which comprises an oil supply tank, an energy accumulator and an oil return tank; the oil supply tank is communicated with the energy accumulator through an oil supply pipe, and a first hydraulic system is arranged on the oil supply pipe; the energy accumulator is communicated with the oil return tank through an oil return pipe, and a fourth gate valve is arranged on the oil return pipe; the oil supply tank is communicated with the oil return tank through a flow guide pipe, and a second hydraulic system is arranged on the flow guide pipe;
the energy accumulator is provided with an automatic air supply device and supplies oil to the speed regulator through a pressure pipe;
the oil return tank is provided with a dirty oil area, a settling area and an oil purifying area; the device comprises a dirty oil area, a clean oil area, a sedimentation area, a first filtering clapboard, a second filtering clapboard and a filter, wherein the dirty oil area and the clean oil area are arranged side by side; the first filtering partition plate is obliquely arranged, and one end of the oil return pipe connected with the oil return box penetrates through the first filtering partition plate and extends into the settling zone.
According to one embodiment of the application, the automatic air supply device comprises a pressurization mechanism, a pressure relief mechanism and a pressure adjusting structure which are respectively connected with the energy accumulator; the supercharging mechanism comprises an air supply pipe communicated with the energy accumulator, a second gate valve is arranged on the air supply pipe, and the air inlet end of the air supply pipe is communicated with the air outlet of the air compressor; the pressure relief mechanism comprises a pressure relief pipe communicated with the energy accumulator, and a third gate valve is arranged on the pressure relief pipe; the pressure adjusting structure comprises a pressure gauge for detecting the internal pressure of the energy accumulator and a PLC (programmable logic controller) communicated with the pressure gauge, the second gate valve and the third gate valve respectively.
According to an embodiment of the application, the first hydraulic system comprises a first oil filter, a first oil pump, a first check valve and a first gate valve which are sequentially arranged on an oil supply pipe along the flowing direction of hydraulic oil, the first oil pump is driven by a first motor, and an overflow valve is arranged on the oil supply pipe between the first oil pump and the first check valve.
According to an embodiment of the present application, the second hydraulic system includes a first oil filter, a first oil pump, a second check valve, and a third oil filter provided in the oil supply pipe in this order along the flow direction of the hydraulic oil, and the second oil pump is driven by a first motor.
According to one embodiment of the application, the first oil filter and the second oil filter each comprise a housing and a filter screen mounted in the housing, the filter screen is a hemispherical filter screen, and a recess of the filter screen faces an oil inlet end of the housing.
According to one embodiment of the application, the third oil filter is an electrostatic oil filter.
The utility model has the advantages that: the oil supply tank is communicated with the oil return tank through a flow guide pipe, and a second hydraulic system is arranged on the flow guide pipe; the hydraulic oil in the oil supply tank is conveyed to the energy accumulator through the first hydraulic system on the oil supply pipe and then is supplied to the speed regulator; the oil return tank is used for collecting oil return and oil leakage of the speed regulator, filtering the collected oil return and oil leakage and then sending the oil return and oil leakage back to the oil supply tank through the second hydraulic system on the flow guide pipe, and the oil return tank can be favorable for recycling hydraulic oil.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: 1. an oil supply tank; 2. an oil supply pipe; 21. a first oil filter; 22. a first oil pump; 23. a first motor; 24. a first overflow valve; 25. a first check valve; 26. a first gate valve; 3. an accumulator; 31. a gas supply pipe; 311. a second gate valve; 312. an air compressor; 32. a pressure gauge; 33. a pressure relief pipe; 4. an oil return pipe; 41. A fourth gate valve; 5. an oil return tank; 51. an oil fouling area; 52. a settling zone; 53. a clean oil zone; 54. a first filtering baffle; 55. a second filtering baffle; 6. a flow guide pipe; 61. a second oil filter; 62. a second oil pump; 63. A second motor; 64. a second check valve; 65. and a third oil filter.
Detailed Description
The governor oil pressure system shown in fig. 1 comprises an oil supply tank 1, an accumulator 3 and an oil return tank 5; the oil supply tank 1 is communicated with the energy accumulator 3 through an oil supply pipe 2, and a first hydraulic system is arranged on the oil supply pipe 2; the energy accumulator 3 is communicated with the oil return tank 5 through an oil return pipe 4, and a fourth gate valve 41 is arranged on the oil return pipe 4; the oil supply tank 1 is communicated with the oil return tank 5 through a flow guide pipe 6, and a second hydraulic system is arranged on the flow guide pipe 6; hydraulic oil in the oil supply tank 1 is conveyed to the energy accumulator 3 through a first hydraulic system on the oil supply pipe 2 and then is supplied to the speed regulator; the oil return tank 5 is used for collecting oil return and oil leakage of the speed regulator, filtering the collected oil return and oil leakage, and then sending the oil return and oil leakage back to the oil supply tank 1 through the second hydraulic system on the flow guide pipe 6, so that the cyclic utilization of hydraulic oil can be facilitated.
The energy accumulator 3 is provided with an automatic air supply device, and the energy accumulator 3 supplies oil to the speed regulator through a pressure pipe; the automatic air supply device comprises a pressurization mechanism, a pressure relief mechanism and a pressure adjusting mechanism which are respectively connected with the energy accumulator 3; the supercharging mechanism comprises an air supply pipe 31 communicated with the energy accumulator 3, a second gate valve 311 is arranged on the air supply pipe 31, and the air inlet end of the air supply pipe 31 is communicated with the air outlet of an air compressor 312; the pressure relief mechanism comprises a pressure relief pipe 33 communicated with the energy accumulator 3, and a third gate valve is arranged on the pressure relief pipe 33; the pressure adjusting structure comprises a pressure gauge 32 for detecting the internal pressure of the energy accumulator 3 and a PLC (programmable logic controller) communicated with the pressure gauge 32, the second gate valve 311 and the third gate valve respectively. In the working process, the pressure condition in the energy accumulator 3 is monitored through the pressure gauge 32, and then the PLC is used for working through the air compressor 312 and the second gate valve 311 to pressurize the energy accumulator 3; the pressure relief operation is executed by controlling the third gate valve, so that the purposes of automatically supplementing air and automatically adjusting the pressure in the energy accumulator 3 are achieved.
The oil return tank 5 is provided with a dirty oil area 51, a settling area 52 and an oil purifying area 53; the dirty oil area 51 and the clean oil area 53 are arranged side by side, the settling area 52 is arranged below the dirty oil area 51, a first filtering partition plate 54 is arranged between the dirty oil area 51 and the settling area 52, and a second filtering partition plate 55 is arranged between the settling area 52 and the clean oil area 53; the first filtering partition plate 54 is obliquely arranged, and one end of the oil return pipe 4 connected with the oil return tank 5 passes through the first filtering partition plate 54 and extends into the settling area 52. The return oil and the leaked oil of the speed regulator firstly enter the precipitation area 52 through the oil return pipe 4, and the first filtering clapboard 54 is used for intercepting and precipitating impurities such as large scrap iron and the like generated in the working process, wherein the first filtering clapboard 54 is obliquely arranged, so that the filtering efficiency can be improved; the return oil and the leaked oil which are roughly filtered by the first filtering partition plate 54 float and stay in the dirty oil area 51 of the oil return tank 5, and then enter the oil purifying area 53 after being finely filtered by filtering small impurities by the second filtering partition plate.
The first hydraulic system comprises a first oil filter 21, a first oil pump 22, a first check valve 25 and a first gate valve 26 which are sequentially arranged on an oil supply pipe 2 along the flowing direction of hydraulic oil, the first oil pump 22 is driven by a first motor 23, and an overflow valve is arranged on the oil supply pipe 2 between the first oil pump 22 and the first check valve 25. The hydraulic oil in the oil supply tank 1 is pumped into the accumulator 3 by the first oil pump 22, and the first check valve 25 prevents the hydraulic oil from flowing back into the oil supply tank 1 from the oil supply pipe 2.
The second hydraulic system includes a second oil strainer 61, a second oil pump 62, a second check valve 64, and a third oil strainer 65, which are provided in this order in the oil supply pipe 2 along the flow direction of the hydraulic oil, and the second oil pump 62 is driven by the first electric motor 23.
According to one embodiment of the present application, each of the first oil filter 21 and the second oil filter 61 includes a housing and a filter net installed in the housing, the filter net is a hemispherical filter net, and a concave portion of the filter net faces an oil inlet end of the housing. Become the hemisphere filter screen and can make hydraulic oil form the swirl in getting into the casing under the multi-purpose of filter screen, can increase the contact efficiency of hydraulic oil and filter screen, can also effectively avoid the filter screen to block up.
According to one embodiment of the application, the third oil filter 65 is an electrostatic oil filter. The electrostatic oil filter uses the different Z potentials of oil, water, colloid impurities, mechanical impurities and other impurity particles according to the principle of opposite attraction, when the impurity particles flow between high-voltage electrode plates along with oil, the impurity particles swim to the opposite electrode direction rapidly and are attached to a dust filter material between the electrode plates. Meanwhile, under the action of electrostatic force, the impurity particles attached to the dust filter material can attract other impurity particles like iron filings in a magnetic field. The existing electrostatic oil filter can effectively remove 0.1 mu m of pollution particles, and can carry out high-precision filtration on hydraulic oil in an oil return phase so as to be convenient for recycling the hydraulic oil.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A speed regulator oil pressure system is characterized by comprising an oil supply tank, an energy accumulator and an oil return tank; the oil supply tank is communicated with the energy accumulator through an oil supply pipe, and a first hydraulic system is arranged on the oil supply pipe; the energy accumulator is communicated with the oil return tank through an oil return pipe, and a fourth gate valve is arranged on the oil return pipe; the oil supply tank is communicated with the oil return tank through a flow guide pipe, and a second hydraulic system is arranged on the flow guide pipe;
the energy accumulator is provided with an automatic air supply device and supplies oil to the speed regulator through a pressure pipe;
the oil return tank is provided with a dirty oil area, a settling area and an oil purifying area; the device comprises a dirty oil area, a clean oil area, a sedimentation area, a first filtering clapboard, a second filtering clapboard and a filter, wherein the dirty oil area and the clean oil area are arranged side by side; the first filtering partition plate is obliquely arranged, and one end of the oil return pipe connected with the oil return box penetrates through the first filtering partition plate and extends into the settling zone.
2. The governor oil pressure system of claim 1, wherein the automatic air supplement device includes a pressurization mechanism, a pressure relief mechanism, and a pressure regulation mechanism, each connected to the accumulator; the supercharging mechanism comprises an air supply pipe communicated with the energy accumulator, a second gate valve is arranged on the air supply pipe, and the air inlet end of the air supply pipe is communicated with the air outlet of the air compressor; the pressure relief mechanism comprises a pressure relief pipe communicated with the energy accumulator, and a third gate valve is arranged on the pressure relief pipe; the pressure adjusting structure comprises a pressure gauge for detecting the internal pressure of the energy accumulator and a PLC (programmable logic controller) communicated with the pressure gauge, the second gate valve and the third gate valve respectively.
3. The governor hydraulic system of claim 2, wherein the first hydraulic system includes a first oil filter, a first oil pump, a first check valve, and a first gate valve provided in the oil supply line in this order along the flow direction of the hydraulic oil, the first oil pump being driven by a first motor, and an overflow valve being provided in the oil supply line between the first oil pump and the first check valve.
4. The governor oil pressure system of claim 3, wherein the second hydraulic system includes a second oil filter, a second oil pump, a second check valve, and a third oil filter provided in the oil supply pipe in this order in the flow direction of the hydraulic oil, the second oil pump being driven by the first electric motor.
5. The governor oil pressure system of claim 4, wherein the first and second oil filters each include a housing and a filter screen mounted in the housing, the filter screen being a hemispherical filter screen with a recess of the filter screen facing an oil inlet end of the housing.
6. The governor oil pressure system of claim 5, wherein the third oil filter is an electrostatic oil filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580078.6U CN212407149U (en) | 2020-04-17 | 2020-04-17 | Speed regulator oil pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020580078.6U CN212407149U (en) | 2020-04-17 | 2020-04-17 | Speed regulator oil pressure system |
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| Publication Number | Publication Date |
|---|---|
| CN212407149U true CN212407149U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020580078.6U Active CN212407149U (en) | 2020-04-17 | 2020-04-17 | Speed regulator oil pressure system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431733A (en) * | 2021-06-06 | 2021-09-24 | 中国长江电力股份有限公司 | Emergency air-supplementing and oil-supplementing system for pressure vessel of hydraulic system of hydraulic turbine speed regulator |
-
2020
- 2020-04-17 CN CN202020580078.6U patent/CN212407149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431733A (en) * | 2021-06-06 | 2021-09-24 | 中国长江电力股份有限公司 | Emergency air-supplementing and oil-supplementing system for pressure vessel of hydraulic system of hydraulic turbine speed regulator |
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