CN216131735U - Constant-temperature and constant-current thin oil lubricating system - Google Patents
Constant-temperature and constant-current thin oil lubricating system Download PDFInfo
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- CN216131735U CN216131735U CN202122025746.6U CN202122025746U CN216131735U CN 216131735 U CN216131735 U CN 216131735U CN 202122025746 U CN202122025746 U CN 202122025746U CN 216131735 U CN216131735 U CN 216131735U
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Abstract
The utility model discloses a constant-temperature and constant-current thin oil lubricating system, which comprises an oil tank and an oil supply pipeline, wherein an oil driving unit is arranged at the joint of the oil supply pipeline and the oil tank, the oil driving unit comprises a motor and a pump, the motor is used for driving the pump, a flow sensor for monitoring the output oil quantity is arranged at a position close to an oil supply port DN25 at the tail end of the oil supply pipeline, an electric three-way valve is also arranged in an upstream pipeline of the flow sensor, an A port and an AB port of the electric three-way valve are arranged in the oil supply pipeline, and a B port of the electric three-way valve is connected with a shunt pipeline and is communicated with the oil tank through the shunt pipeline; the electric three-way valve is configured to complete flow regulation of the oil supply pipeline based on flow information measured by the flow sensor and return residual oil into the oil tank through the third port. Thereby the oil station is more intelligent, and the system can automatically regulated fuel feeding flow.
Description
Technical Field
The utility model belongs to the field of thin oil lubrication systems, and particularly relates to a constant-temperature and constant-current thin oil lubrication system.
Background
In a traditional thin oil lubricating system, the temperature of oil flowing back to a thin oil station from a main engine matched with the oil station can be higher and higher along with the increase of the operation time, but the water inflow of a cooler cannot be automatically adjusted, so that the oil supply temperature is easily overhigh, and the operation condition of user main engine equipment is influenced.
Meanwhile, in a thin oil lubrication system, the actual output flow of a pump is larger than the required flow, so a bypass is arranged to allow the redundant flow to directly return to an oil tank. However, the stop valve adopted by the original bypass requires personnel to adjust on site, and the stop valve does not have a feedback signal and cannot accurately adjust the oil supply flow.
In order to solve the above problems, a constant temperature and constant flow thin oil lubrication system is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to overcome the problems in the prior art, the constant-temperature and constant-flow thin oil lubricating system is provided, and through the structural design of the thin oil lubricating system, the thin oil lubricating system can complete the flow regulation of an oil supply pipeline based on an electric three-way valve, so that the aim of accurately controlling the oil supply flow is fulfilled.
The purpose of the utility model is realized by the following technical scheme:
a constant-temperature and constant-current thin oil lubricating system comprises an oil tank and an oil supply pipeline, wherein an oil driving unit is arranged at the joint of the oil supply pipeline and the oil tank, the oil driving unit comprises a motor and a pump, the motor is used for driving the pump, a flow sensor for monitoring the output oil quantity is arranged at a position close to an oil supply port DN25 at the tail end of the oil supply pipeline, an electric three-way valve is also arranged in an upstream pipeline of the flow sensor, an A port and an AB port of the electric three-way valve are arranged in the oil supply pipeline, and a B port of the electric three-way valve is connected with a shunt pipeline and communicated with the oil tank through the shunt pipeline; the electric three-way valve is configured to complete flow regulation of the oil supply pipeline based on flow information measured by the flow sensor and return residual oil into the oil tank through the third port.
According to a preferred embodiment, a cooling unit is arranged on the oil supply pipeline, and a temperature sensor for measuring the oil temperature is arranged close to the oil supply port DN 25; the cooling unit comprises a cooler, a cooling water inlet pipeline and a cooling water outlet pipeline, the cooling water inlet pipeline and the cooling water outlet pipeline are respectively communicated with the cooler, an electric ball valve is arranged on the cooling water inlet pipeline, and the electric ball valve is configured to complete flow regulation of cooling water entering the cooler based on oil temperature information of an oil outlet DN25 measured by a temperature sensor.
According to a preferred embodiment, a Y-shaped filter for filtering cooling water is further arranged on the cooling water inlet pipeline; the temperature sensor is not limited to the second platinum thermistor.
According to a preferred embodiment, an oil filter unit is arranged in the oil supply pipeline between the oil drive unit and the cooling unit, and the oil filter unit is not limited to a double-cylinder filter for filtering oil in the pipeline.
According to a preferred embodiment, the oil supply line is further provided with a pressure gauge and a pressure sensor for line pressure measurement upstream of the electric three-way valve.
According to a preferred embodiment, a magnetic filter is provided in the tank.
According to a preferred embodiment, a plurality of heaters for heating the oil are arranged in the oil tank.
According to a preferred embodiment, a temperature gauge for measuring the oil temperature and a first platinum thermistor are arranged in the oil tank.
According to a preferred embodiment, the oil tank is provided with a liquid level thermometer and a liquid level sensor.
According to a preferable embodiment, the outlet of the oil driving unit is further provided with an overflow pipeline, one end of the overflow pipeline is connected with the outlet of the oil driving unit, the other end of the overflow pipeline is communicated with the oil tank, and the overflow pipeline is provided with an overflow valve.
The utility model has the beneficial effects that: the traditional thin oil lubrication station needs to be manually adjusted in both flow adjustment and temperature adjustment, and manual adjustment is not only troublesome but also low in precision. After adopting this patent thin oil lubricating system, the oil station is more intelligent, and the user only need set up the flow and the temperature that need in well accuse, and the system just can automatically regulated fuel feeding flow and temperature.
Drawings
FIG. 1 is a schematic diagram of the thin oil lubrication system of the present invention;
wherein, 1-oil tank, 2.1-heater, 2.2-heater, 3.1-thermometer, 3.2-thermometer, 4.1-first platinum thermistor, 4.2-second platinum thermistor, 5.1-ball valve, 5.2-ball valve, 5.3-ball valve, 6-magnetic filter, 7-liquid level thermometer, 8-liquid level sensor, 9.1-motor, 9.2-motor, 10.1-pump, 10.2-pump, 11-air filter, 12-overflow valve, 13.1-check valve, 13.2-check valve, 14.1-pressure gauge switch, 14.2-pressure gauge switch, 14.3-pressure gauge switch, 15.1-pressure gauge, 15.2-pressure gauge, 16-double-cylinder filter, 17-pressure difference sensor, 18-cooler, 19-Y type filter, 20-an electric ball valve, 21-a pressure sensor, 22-an electric three-way valve, 23-a flow sensor and 24-a junction box.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Example 1:
referring to fig. 1, a constant-temperature and constant-current thin oil lubrication system is shown, and the thin oil lubrication system comprises an oil tank, an oil driving unit, a filtering unit, a cooling unit, an overflow pipeline and an oil supply pipeline.
Preferably, a plurality of heaters for heating oil are arranged in the oil tank 1. Specifically, in this embodiment, a heater 2.1 and a heater 2.2 are respectively disposed at two ends in the oil tank 1 to complete rapid and uniform heating of the oil, so as to reach a preset heating temperature.
Preferably, the oil tank 1 is further provided with a thermometer 3.1 and a first platinum thermal resistor 4.1 for measuring oil temperature. Through the setting of a plurality of temperature monitoring devices to guarantee the accurate monitoring of fluid temperature.
Preferably, the oil tank 1 is provided with a liquid level thermometer 7 and a liquid level sensor 8. Through the setting of a plurality of liquid level survey devices to guarantee the accurate measurement of the interior liquid level of oil tank 1.
Preferably, a magnetic filter 6 is arranged in the oil tank. The filtering of metal impurities in the return oil liquid is completed by arranging the magnetic filter 6 in the oil return cavity in the oil tank.
Preferably, the oil supply pipeline is provided with a cooling unit, and the change of the oil temperature is adjusted in real time through the cooling unit, so that the constant oil supply temperature is achieved. And a thermometer 3.2 and a second platinum thermal resistor 4.2 for measuring the oil temperature are arranged close to the oil supply port DN 25.
Specifically, the cooling unit includes a cooler 18, a cooling water inlet pipeline, and a cooling water outlet pipeline. The cooling water inlet pipeline and the cooling water outlet pipeline are respectively communicated with the cooler 18, an electric ball valve 20 is arranged on the cooling water inlet pipeline, and the electric ball valve 20 is configured to complete flow regulation of cooling water entering the cooler 18 based on oil temperature information at an oil outlet DN25 measured by a second platinum thermal resistor 4.2.
Furthermore, a Y-shaped filter 19 for filtering the cooling water is further arranged on the cooling water inlet pipeline. Through the arrangement of the Y-shaped filter 19, the water inlet quality of the cooling water is ensured, and the damage of impurities in the water to the cooling region device 18 is avoided, so that the purpose of prolonging the service life of the cooling device 18 is achieved.
Preferably, the oil supply line is connected with the oil driving unit. The oil liquid drive unit provides power for oil liquid in the oil tank 1 to enter the oil supply pipeline.
Preferably, the oil drive unit comprises a motor 9.1/9.2 and a pump 10.1/10.2. The motor 9.1/9.2 is used for completing the driving of the pump 10.1/10.2.
Preferably, the oil supply pipeline is being close to supply oil mouth DN25 department to be provided with the flow sensor 23 that is used for carrying out the monitoring of output oil mass, be in simultaneously still be equipped with electric three-way valve 22 in the flow sensor 23 upstream pipeline, electric three-way valve 22's A port and AB port set up in supplying oil the pipeline, and electric three-way valve 22's B port is connected with the reposition of redundant personnel pipeline, and the warp reposition of redundant personnel pipeline with oil tank 1 is linked together.
Preferably, the electric three-way valve 22 is configured to perform flow regulation of the oil supply line based on flow information measured by the flow sensor 22 and return the remaining oil into the oil tank 1 through the third port. Therefore, through the structural arrangement of the electric three-way valve 22, the oil supply flow can be controlled, and the redundant flow is directly discharged back to the oil tank through the port B. The flow sensor is arranged at the position as shown in the figure, and the oil supply flow can be monitored in real time.
Preferably, an oil filtering unit is arranged between the oil driving unit and the cooling unit in the oil supply pipeline, and the oil filtering unit is not limited to the double-cylinder filter 16 for filtering oil in the pipeline.
Preferably, the oil supply line is further provided with a pressure gauge 15.2 and a pressure sensor 21 for measuring the line pressure on the upstream side of the three-way electric valve 22.
Preferably, the outlet of the oil liquid driving unit is also provided with an overflow pipeline. One end of the overflow pipeline is connected with an outlet of the oil liquid driving unit, the other end of the overflow pipeline is communicated with the oil tank 1, and an overflow valve 12 is arranged on the overflow return pipeline.
The utility model relates to a thin oil lubricating system, in oil supply, a flow sensor 23 monitors flow and feeds back a signal to a PLC (programmable logic controller), and the PLC controls the opening size of an A end of an electric three-way valve 22 so as to accurately control the oil supply flow. The second platinum thermal resistor 4.2 monitors the oil temperature of the oil supply port and feeds back a signal to the PLC, and the PLC controls the opening size of the electric ball valve 20 at the water inlet of the cooler 18, so that the water inlet flow of the cooler is controlled, and the effect of controlling the constant oil supply temperature is achieved.
It is well known that the performance indexes of lubricating oils are best at 40 ℃. In fact, the conventional lubricating oil station has the common defect that the oil supply temperature range is large and constant temperature cannot be realized. The existing lubricating station generally has the problems that the temperature of oil supply oil is increased because the water supply amount of a cooler is not changed along with the increase of the temperature of return oil, so that the lubricating effect cannot reach an ideal state. By adopting the thin oil lubricating system, the water inlet flow of the cooler 18 can be adjusted in real time according to the change of the oil temperature, so that the constant oil supply temperature is achieved.
Meanwhile, in the conventional system, when the displacement of the pump 10.1/10.2 and the rotating speed of the motor are determined, the output flow of the pump is determined. However, the output flow of the pump is often greater than the required supply flow, so a bypass is typically provided at the supply port, regulated by a shut-off valve, to return excess flow to the tank. Whereas shut-off valves are manual, requiring a visit to the site for each adjustment, and manual adjustments are not accurate. After the thin oil lubricating system is adopted, the flow of the shunting pipeline can be adjusted through the electric three-way valve 22, and a user can adjust the flow of an oil supply port according to the requirement of the user. And the oil supply port is provided with a flow sensor for monitoring the flow in real time and feeding back a signal, and the electric three-way valve automatically adjusts the opening size of the end A according to the signal to ensure that the oil supply flow can be accurately kept at a constant value.
The traditional thin oil lubrication station needs to be manually adjusted in both flow adjustment and temperature adjustment, and manual adjustment is not only troublesome but also low in precision. After adopting this patent thin oil lubricating system, the oil station is more intelligent, and the user only need set up the flow and the temperature that need in well accuse, and the system just can automatically regulated fuel feeding flow and temperature.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The constant-temperature constant-current thin oil lubricating system is characterized by comprising an oil tank (1) and an oil supply pipeline, wherein an oil driving unit is arranged at the joint of the oil supply pipeline and the oil tank (1), the oil driving unit comprises a motor and a pump, the motor is used for driving the pump,
the oil supply pipeline is provided with a flow sensor (23) for monitoring the output oil quantity at an oil supply port DN25 close to the tail end of the oil supply pipeline, an electric three-way valve (22) is arranged in an upstream pipeline of the flow sensor (23), an A port and an AB port of the electric three-way valve (22) are arranged in the oil supply pipeline, and a B port of the electric three-way valve (22) is connected with a shunt pipeline and is communicated with the oil tank (1) through the shunt pipeline;
the electric three-way valve (22) is configured to complete flow regulation of the oil supply pipeline based on flow information measured by the flow sensor (23) and return residual oil into the oil tank (1) through the third port.
2. The thin oil lubrication system as claimed in claim 1, wherein a cooling unit is arranged on the oil supply pipeline, and a temperature sensor for measuring the oil temperature is arranged close to the oil supply port DN 25;
the cooling unit comprises a cooler (18), a cooling water inlet pipeline and a cooling water outlet pipeline, wherein the cooling water inlet pipeline and the cooling water outlet pipeline are respectively communicated with the cooler (18), an electric ball valve (20) is arranged on the cooling water inlet pipeline, and the electric ball valve (20) is configured to complete flow regulation of cooling water entering the cooler (18) based on oil temperature information of an oil outlet DN25 measured by a temperature sensor.
3. The thin oil lubrication system as claimed in claim 2, wherein a Y-shaped filter (19) for filtering the cooling water is further provided on the cooling water inlet pipeline; the temperature sensor is not limited to the second platinum thermistor (4.2).
4. The thin oil lubrication system as claimed in claim 2, wherein an oil filter unit is disposed in the oil supply line between the oil drive unit and the cooling unit,
the oil filtering unit is not limited to a double-cylinder filter (16) for completing the filtering treatment of oil in the pipeline.
5. The thin oil lubrication system as claimed in claim 3, wherein the oil supply line is further provided with a pressure gauge (15.2) and a pressure sensor (21) for line pressure measurement upstream of the electric three-way valve (22).
6. The thin oil lubrication system as claimed in claim 1, wherein a magnetic filter (6) is provided in the oil tank (1).
7. The thin oil lubrication system as claimed in claim 1, wherein a plurality of heaters for heating the oil are provided in the oil tank (1).
8. The thin oil lubrication system as claimed in claim 1, wherein a thermometer (3.1) and a first platinum thermistor (4.1) are provided in the oil tank (1) for measuring the oil temperature.
9. The thin oil lubrication system as claimed in claim 1, wherein a level liquid thermometer (7) and a level sensor (8) are provided on the oil tank (1).
10. The thin oil lubrication system as claimed in claim 1, wherein the outlet of the oil drive unit is further provided with an overflow pipeline, one end of the overflow pipeline is connected with the outlet of the oil drive unit, the other end of the overflow pipeline is communicated with the oil tank (1), and the overflow pipeline is provided with an overflow valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122025746.6U CN216131735U (en) | 2021-08-26 | 2021-08-26 | Constant-temperature and constant-current thin oil lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122025746.6U CN216131735U (en) | 2021-08-26 | 2021-08-26 | Constant-temperature and constant-current thin oil lubricating system |
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| Publication Number | Publication Date |
|---|---|
| CN216131735U true CN216131735U (en) | 2022-03-25 |
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| CN202122025746.6U Active CN216131735U (en) | 2021-08-26 | 2021-08-26 | Constant-temperature and constant-current thin oil lubricating system |
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| CN (1) | CN216131735U (en) |
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- 2021-08-26 CN CN202122025746.6U patent/CN216131735U/en active Active
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