CN216643060U - Cooling and lubricating system and main speed reducer - Google Patents
Cooling and lubricating system and main speed reducer Download PDFInfo
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- CN216643060U CN216643060U CN202220176194.0U CN202220176194U CN216643060U CN 216643060 U CN216643060 U CN 216643060U CN 202220176194 U CN202220176194 U CN 202220176194U CN 216643060 U CN216643060 U CN 216643060U
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Abstract
The utility model provides a cooling and lubricating system and a main speed reducer. The system comprises an oil pool, a first suction filter, a second suction filter, a first oil pump, a second oil pump, a first valve, a second valve, a third valve, a first pipeline and a second pipeline; the first suction filter and the second suction filter are both arranged in the oil pool, and the distance between the first suction filter and the bottom of the oil pool is greater than the distance between the second suction filter and the bottom of the oil pool; the input port of the first oil pump is connected with the first suction filter, and the output port of the first oil pump is respectively connected with the first end of the first valve and the first end of the third valve; the second end of the first valve is connected with the structure to be cooled and lubricated through a first pipeline; the input port of the second oil pump is connected with the second suction filter, and the output port of the second oil pump is respectively connected with the first end of the second valve and the second end of the third valve; and the second end of the second valve is connected with the structure to be cooled and lubricated through a second pipeline. The utility model can cool and lubricate the main reducer no matter the oil level in the oil pool, and can improve the flight safety.
Description
Technical Field
The utility model relates to the technical field of cooling and lubricating, in particular to a cooling and lubricating system and a main speed reducer.
Background
A main speed reducer of a rotor wing type aircraft of a helicopter is lubricated and cooled by a cooling and lubricating system for gears, bearings and the like. The reliability of the cooling and lubricating system directly affects the flight safety of the helicopter.
At present, a cooling and lubricating system generally extracts cooling and lubricating oil at a high oil level in an oil sump to cool and lubricate components of a main speed reducer. However, when the oil supply pipeline leaks, the cooling lubricating oil in the oil pool can be gradually reduced, and when the oil level of the cooling lubricating oil in the oil pool is low, the cooling lubricating oil in the oil pool cannot be extracted by a cooling lubricating system, so that the components of the main speed reducer cannot be cooled and lubricated, and the flight safety is affected.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a cooling and lubricating system and a main speed reducer, and aims to solve the problem that the conventional cooling and lubricating system cannot cool and lubricate the parts of the main speed reducer when the oil level of cooling lubricating oil in an oil pool is low, so that the flight safety is influenced.
In a first aspect, an embodiment of the present invention provides a cooling and lubricating system, including an oil pool, a first suction filter, a second suction filter, a first oil pump, a second oil pump, a first valve, a second valve, a third valve, a first pipeline, and a second pipeline;
the first suction filter and the second suction filter are both arranged in the oil pool, and the distance between the first suction filter and the bottom of the oil pool is greater than the distance between the second suction filter and the bottom of the oil pool;
an input port of the first oil pump is connected with the first suction filter, an output port of the first oil pump is respectively connected with a first end of the first valve and a first end of the third valve, and a second end of the first valve is connected with the structure to be cooled and lubricated through a first pipeline;
an input port of the second oil pump is connected with the second suction filter, an output port of the second oil pump is respectively connected with a first end of the second valve and a second end of the third valve, and a second end of the second valve is connected with the structure to be cooled and lubricated through a second pipeline.
In a possible implementation manner, the cooling and lubricating system further comprises a first pressure sensor arranged at the tail end of the first pipeline, a second pressure sensor arranged at the tail end of the second pipeline and a controller;
the first pressure sensor and the second pressure sensor are both connected with the controller;
the first valve, the second valve, the third valve, the first oil pump and the second oil pump are all controlled by the controller.
In one possible implementation, the cooling and lubricating system further comprises a first check valve and a second check valve;
the output port of the first oil pump is respectively connected with the first end of the first valve and the first end of the third valve through a first one-way valve;
the output port of the second oil pump is respectively connected with the first end of the second valve and the second end of the third valve through a second one-way valve.
In one possible implementation, the cooling and lubricating system further comprises a first oil cooler and a second oil cooler;
the first pipeline is through first oil cooler, and the second pipeline is through second oil cooler.
In one possible implementation, the cooling and lubricating system further comprises a first flow regulating valve connected in parallel with the first oil cooler and a second flow regulating valve connected in parallel with the second oil cooler.
In a possible implementation manner, a first temperature sensor is arranged on the first pipeline, and a second temperature sensor is arranged on the second pipeline.
In a possible implementation manner, the cooling and lubricating system further comprises a liquid level meter arranged in the oil pool.
In one possible implementation, the first valve and the second valve are both check valves, and the third valve is a stop valve.
In one possible implementation, the first valve, the second valve, and the third valve are all solenoid valves or electric valves.
In a second aspect, an embodiment of the present invention provides a final drive including a cooling and lubricating system according to the first aspect or any one of the possible implementations of the first aspect.
The embodiment of the utility model provides a cooling and lubricating system and a main speed reducer, wherein a first suction filter and a second suction filter are arranged in an oil pool, and the distance between the first suction filter and the bottom of the oil pool is greater than the distance between the second suction filter and the bottom of the oil pool, so that the cooling and lubricating system can not only extract cooling lubricating oil at a high oil level in the oil pool, but also extract cooling lubricating oil at a low oil level in the oil pool, and components of the main speed reducer can be cooled and lubricated no matter the oil level in the oil pool, and the flight safety can be improved; two oil supply channels are formed through a connecting structure of the oil pool, the first suction filter, the second suction filter, the first oil pump, the second oil pump, the first valve, the second valve, the third valve, the first pipeline and the second pipeline, so that the cooling lubricating oil pumped from the first oil pump can flow to a lubricating structure to be cooled through the first valve and the first pipeline and can also flow to the lubricating structure to be cooled through the third valve, the second valve and the second pipeline; similarly, the cooling lubricating oil pumped from the second oil pump can flow to the to-be-cooled lubrication structure through the third valve and the second pipeline, and also can flow to the to-be-cooled lubrication structure through the third valve, the first valve and the first pipeline, so that when the first pipeline or the second pipeline leaks, the to-be-cooled lubrication structure is provided with the cooling lubricating oil through the non-leaking pipeline, and the cooling lubricating oil is ensured to be continuously provided for the to-be-cooled lubrication structure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a cooling and lubricating system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another cooling and lubricating system provided by an embodiment of the utility model.
Detailed Description
In order to make the technical solution better understood by those skilled in the art, the technical solution in the embodiment of the present invention will be clearly described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present disclosure without any creative effort shall fall within the protection scope of the present disclosure.
The terms "include" and any other variations in the description and claims of this document and the above-described figures, mean "include but not limited to", and are intended to cover non-exclusive inclusions and not limited to the examples listed herein. Furthermore, the terms "first" and "second," etc. are used to distinguish between different objects and are not used to describe a particular order.
The following detailed description of implementations of the utility model refers to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a cooling and lubricating system according to an embodiment of the present invention. Referring to fig. 1, the cooling and lubricating system includes an oil pool 1, a first suction filter 2, a second suction filter 3, a first oil pump 4, a second oil pump 5, a first valve 6, a second valve 7, a third valve 8, a first pipeline 9 and a second pipeline 10;
the first suction filter 2 and the second suction filter 3 are both arranged in the oil pool 1, and the distance between the first suction filter 2 and the bottom of the oil pool 1 is greater than the distance between the second suction filter 3 and the bottom of the oil pool 1;
an input port of the first oil pump 4 is connected with the first suction filter 2, an output port of the first oil pump 4 is respectively connected with a first end of a first valve 6 and a first end of a third valve 8, and a second end of the first valve 6 is connected with a structure to be cooled and lubricated through a first pipeline 9;
an input port of the second oil pump 5 is connected with the second suction filter 3, an output port of the second oil pump 5 is respectively connected with a first end of the second valve 7 and a second end of the third valve 8, and the second end of the second valve 7 is connected with a structure to be cooled and lubricated through a second pipeline 10.
The oil sump 1 is used for storing cooling lubricating oil. First suction filter 2 and second suction filter 3 all locate in oil bath 1, and the distance of first suction filter 2 and the bottom of oil bath 1 is greater than the distance of second suction filter 3 and the bottom of oil bath 1, that is to say, first suction filter 2 is the high-order suction filter, and second suction filter 3 is the low-order suction filter, and correspondingly, first oil pump 4 who is connected with first suction filter 2 is the high-order oil pump, and second oil pump 5 who is connected with second suction filter 3 is the low-order oil pump.
In a possible realization, the second suction filter 3 can be located at the bottom inside the oil sump 1.
When the liquid level in the oil pool 1 is not lower than the position of the first suction filter 2, the first oil pump 4 can suck the cooling lubricating oil in the oil pool 1 through the first suction filter 2. After the cooling lubricating oil leaves the first oil pump 4, the cooling lubricating oil can reach a structure to be cooled and lubricated through the first valve 6 and the first pipeline 9, at the moment, the first valve 6 is in an open state, and the third valve 8 is in a closed state; after leaving the first oil pump 4, the cooling lubricant may also reach the cooling lubricant structure through the third valve 8 and the second valve 7 via the second line 10, at which time the first valve 6 is in a closed state and the third valve 8 and the second valve 7 are in an open state; after leaving the first oil pump 4, the cooling lubricant can reach the structure to be cooled and lubricated through the first valve 6 via the first pipeline 9, and simultaneously reach the structure to be cooled and lubricated through the third valve 8 and the second valve 7 via the second pipeline 10, at this time, the first valve 6, the second valve 7 and the third valve 8 are all in an open state.
When the cooling lubricating oil in the oil pool 1 is sucked by the first oil pump 4, the cooling lubricating oil is cooled and lubricated on the structure to be cooled and lubricated preferably in a mode of reaching the structure to be cooled and lubricated through the first pipeline 9 by the first valve 6 after leaving the first oil pump 4, and when the first pipeline 9 leaks or other conditions occur and the structure cannot normally work, the cooling lubricating oil leaves the first oil pump 4 and then reaches the structure to be cooled and lubricated through the second pipeline 10 by the third valve 8 and the second valve 7.
When the liquid level in the oil pool 1 is lower than the position of the first suction filter 2, or the first oil pump 4 fails, the second oil pump 5 can suck the cooling lubricating oil in the oil pool 1 through the second suction filter 3. After the cooling lubricating oil leaves the second oil pump 5, the cooling lubricating oil can reach a structure to be cooled and lubricated through the second pipeline 10 by the second valve 7, at the moment, the second valve 7 is in an open state, and the third valve 8 is in a closed state; after leaving the second oil pump 5, the cooling lubricant can also reach the cooling lubricant structure through the third valve 8 and the first valve 6 via the first line 9, at which time the second valve 7 is in a closed state and the third valve 8 and the first valve 6 are in an open state; after the cooling lubricating oil leaves the second oil pump 5, the cooling lubricating oil can reach the structure to be cooled and lubricated through the second pipeline 10 by the second valve 7, and simultaneously, reaches the cooling lubricating structure through the third valve 8 and the first valve 6 by the first pipeline 9, and at the moment, the first valve 6, the second valve 7 and the third valve 8 are all in an open state.
When the cooling lubricating oil in the oil pool 1 is sucked by the second oil pump 5, the cooling lubricating oil is cooled and lubricated on the structure to be cooled and lubricated preferably in a mode of reaching the structure to be cooled and lubricated through the second pipeline 10 by the second valve 7 after leaving the second oil pump 5, and when the second pipeline 10 leaks or other conditions occur and the structure cannot normally work, the cooling lubricating oil leaves the second oil pump 5 and reaches the structure to be cooled and lubricated through the first pipeline 9 by the third valve 8 and the first valve 6.
It should be noted that, when the liquid level in the oil pool 1 is not lower than the position of the first suction filter 2, the cooling and lubricating system may also suck the cooling and lubricating oil in the oil pool 1 through the second oil pump 5 and the second suction filter 3, so as to cool and lubricate the equipment to be cooled and lubricated.
The structure to be cooled and lubricated can be a gear, a bearing, shaft teeth and the like. The cooling lubricating oil returns to the oil pool 1 after cooling and lubricating the structure to be cooled and lubricated.
In the embodiment, the first suction filter 2 and the second suction filter 3 are both arranged in the oil pool 1, and the distance between the first suction filter 2 and the bottom of the oil pool 1 is greater than the distance between the second suction filter 3 and the bottom of the oil pool 1, so that the cooling and lubricating system can not only extract cooling and lubricating oil at a high oil level in the oil pool 1, but also extract cooling and lubricating oil at a low oil level in the oil pool 1, and components of the main speed reducer can be cooled and lubricated regardless of the oil level in the oil pool 1, the reliability of the cooling and lubricating system can be improved, and the flight safety is further improved; through the connecting structure of the oil pool 1, the first suction filter 2, the second suction filter 3, the first oil pump 4, the second oil pump 5, the first valve 6, the second valve 7, the third valve 8, the first pipeline 9 and the second pipeline 10, two oil supply channels are formed, so that the cooling lubricating oil extracted from the first oil pump 4 can flow to a lubricating structure to be cooled through the first valve 6 and the first pipeline 9 and can also flow to the lubricating structure to be cooled through the third valve 8, the second valve 7 and the second pipeline 10; similarly, the cooling lubricant pumped from the second oil pump 5 can flow to the structure to be cooled and lubricated through the third valve 8 and the second pipeline 10, and also can flow to the structure to be cooled and lubricated through the third valve 8, the first valve 6 and the first pipeline 9, so that when the first pipeline 9 or the second pipeline 10 leaks, the cooling lubricant is provided for the structure to be cooled and lubricated through the pipelines which are not leaked, the cooling lubricant is provided for the structure to be cooled and lubricated continuously, and the reliability of the cooling and lubricating system can be further improved.
In some embodiments, referring to fig. 2, the cooling and lubricating system further comprises a first pressure sensor 11 disposed at the end of the first pipeline 9, a second pressure sensor 12 disposed at the end of the second pipeline 10, and a controller;
the first pressure sensor 11 and the second pressure sensor 12 are both connected with the controller;
the first valve 6, the second valve 7, the third valve 8, the first oil pump 4 and the second oil pump 5 are all controlled by a controller.
The end of the first pipeline 9 refers to an end of the first pipeline 9 connected with the structure to be cooled and lubricated, and the end of the second pipeline 10 refers to an end of the second pipeline 10 connected with the structure to be cooled and lubricated.
The first pressure sensor 11 is used to detect the pressure of the cooling oil in the first line 9 and send the detected data to the controller.
The second pressure sensor 12 is used to detect the pressure of the cooling oil in the second line 10 and send the detected data to the controller.
The controller can control the operating states of the first valve 6, the second valve 7, the third valve 8, the first oil pump 4, and the second oil pump 5.
And the controller can be used for controlling the first oil pump 4 to start, controlling the first valve 6 to open so that the cooling lubricating oil reaches the structure to be cooled through the first valve 6 and the first pipeline 9, and receiving the pressure of the cooling lubricating oil in the first pipeline 9 sent by the first pressure sensor 11, controlling the first valve 6 to close if the pressure of the cooling lubricating oil in the first pipeline 9 is smaller than a preset pressure value, and controlling the third valve 8 and the second valve 7 to open so that the cooling lubricating oil reaches the structure to be cooled through the third valve 8, the second valve 7 and the second pipeline 10, at this time, if the received pressure of the cooling lubricating oil in the second pipeline 10 sent by the second pressure sensor 12 is not smaller than the preset pressure value, confirming that the first pipeline 9 leaks, and sending an alarm signal to the first pipeline 9.
The preset pressure value may be a pressure value detected when the cooling lubricant flows through the pipeline when the pipeline does not leak. When the first oil pump 4 is started, and the cooling lubricant reaches the structure to be cooled through the first valve 6 and the first pipeline 9, if the pressure of the cooling lubricant in the first pipeline 9 is smaller than a preset pressure value, it can be preliminarily determined that the first pipeline 9 leaks, and when the subsequent cooling lubricant reaches the structure to be cooled through the third valve 8, the second valve 7 and the second pipeline 10, if the pressure of the cooling lubricant in the second pipeline 10 sent by the received second pressure sensor 12 is not smaller than the preset pressure value, it can be further determined that the first pipeline 9 leaks.
The controller can also be used for controlling the second oil pump 5 to start when the first oil pump 4 fails, controlling the second valve 7 to open so that the cooling lubricating oil reaches the structure to be cooled through the second valve 7 and the second pipeline 10, and receiving the pressure of the cooling lubricating oil in the second pipeline 10 sent by the second pressure sensor 12, controlling the second valve 7 to close if the pressure of the cooling lubricating oil in the second pipeline 10 is smaller than a preset pressure value, and controlling the third valve 8 and the first valve 6 to open so that the cooling lubricating oil reaches the structure to be cooled through the third valve 8, the first valve 6 and the first pipeline 9, at this time, if the received pressure of the cooling lubricating oil in the first pipeline 9 sent by the first pressure sensor 11 is not smaller than the preset pressure value, confirming that the second pipeline 10 leaks, and sending an alarm signal to the second pipeline 10.
When the second oil pump 5 is started, the cooling lubricant reaches the structure to be cooled through the second valve 7 and the second pipeline 10, if the pressure of the cooling lubricant in the second pipeline 10 is smaller than a preset pressure value, it can be preliminarily determined that the second pipeline 10 leaks, and when the subsequent cooling lubricant reaches the structure to be cooled through the third valve 8, the first valve 6 and the first pipeline 9, if the pressure of the cooling lubricant in the first pipeline 9 sent by the received first pressure sensor 11 is not smaller than the preset pressure value, it can be further determined that the second pipeline 10 leaks.
In the embodiment, the first pressure sensor 11, the second pressure sensor 12 and the controller can find pipeline leakage in time, switch oil supply pipelines and stop leakage in time.
In some embodiments, referring to fig. 2, the cooling and lubrication system further comprises a first check valve 13 and a second check valve 14;
the output port of the first oil pump 4 is respectively connected with the first end of the first valve 6 and the first end of the third valve 8 through a first one-way valve 13;
the output port of the second oil pump 5 is connected to the first end of the second valve 7 and the second end of the third valve 8, respectively, via a second check valve 14.
The first check valve 13 is used to prevent the cooling lubricant oil from flowing back to the first oil pump 4. The second check valve 14 serves to prevent the cooling oil from flowing back to the second oil pump 5.
In some embodiments, referring to fig. 2, the cooling and lubrication system further includes a first oil cooler 15 and a second oil cooler 16;
the first line 9 passes through a first oil cooler 15 and the second line 10 passes through a second oil cooler 16.
The first oil cooler 15 is used for cooling the cooling oil flowing through the first pipeline 9, and the second oil cooler 16 is used for cooling the cooling oil flowing through the second pipeline 10.
In this embodiment, when the cooling lubricant is sent to the structure to be cooled through the first pipeline 9 or the second pipeline 10, the cooling lubricant passes through the first oil cooler 15 or the second oil cooler 16, so that the cooling effect can be achieved while lubrication is ensured.
In some embodiments, referring to fig. 2, the cooling and lubrication system further includes a first flow regulating valve 17 connected in parallel with the first oil cooler 15 and a second flow regulating valve 18 connected in parallel with the second oil cooler 16.
The first flow rate adjustment valve 17 and the second flow rate adjustment valve 18 are both controlled by a controller. The controller may control the opening degrees of the first flow rate adjustment valve 17 and the second flow rate adjustment valve 18.
The first flow rate adjustment valve 17 and the second flow rate adjustment valve 18 may be solenoid valves or electric valves.
In some embodiments, a first temperature sensor is provided on the first conduit 9 and a second temperature sensor is provided on the second conduit 10.
The first temperature sensor and the second temperature sensor are connected with the controller.
The first temperature sensor is used to detect the temperature of the cooling oil in the first line 9 and to send the detected data to the controller.
The second temperature sensor is used to detect the temperature of the cooling oil in the second pipeline 10 and send the detected data to the controller.
A first temperature sensor may be located between the first valve 6 and the first oil cooler 15 and a second temperature sensor may be located between the second valve 7 and the second oil cooler 16.
The controller may be further configured to, when the first pipeline 9 is delivering the cooling lubricant, control the opening degree of the first flow regulating valve 17 to decrease if the temperature of the cooling lubricant in the first pipeline 9, which is sent by the first temperature sensor, is higher than a preset temperature until the first flow regulating valve 17 is closed or the temperature of the cooling lubricant in the first pipeline 9 is not higher than the preset temperature.
The controller may be further configured to control the opening degree of the second flow regulating valve 18 to decrease until the second flow regulating valve 18 is closed or the temperature of the cooling oil in the second pipeline 10 is not higher than the preset temperature, if the temperature of the cooling oil in the second pipeline 10, which is sent by the second temperature sensor, is higher than the preset temperature while the cooling oil is being conveyed by the second pipeline 10.
The preset temperature may be set according to actual requirements, and is not particularly limited herein.
In some embodiments, referring to fig. 2, the cooling and lubricating system further comprises a level gauge 19 provided in the oil sump 1.
The liquid level meter 19 is connected with the controller and used for detecting the liquid level in the oil pool 1 and sending the detected liquid level in the oil pool 1 to the controller.
The controller can also be used for controlling the first oil pump 4 to start or the second oil pump 5 to start according to the liquid level in the oil pool 1 sent by the liquid level meter 19, for example, when the liquid level in the oil pool 1 is not lower than the height of the first suction filter 2, the first oil pump 4 is controlled to start, and when the liquid level in the oil pool 1 is lower than the height of the first suction filter 2, the second oil pump 5 is controlled to start.
The controller can also be used for when the liquid level in the oil pool 1 is less than the preset normal oil level, in time early warning, the suggestion is cooled lubricating oil and is added or switching pipeline or fuel feed pump in advance, reduces and lets out leakage quantity.
In some embodiments, the first valve 6 and the second valve 7 are both check valves and the third valve 8 is a shut-off valve.
In some embodiments, the first valve 6, the second valve 7, and the third valve 8 are all solenoid or electric valves.
Corresponding to the cooling and lubricating system, the embodiment of the utility model also provides a main speed reducer which comprises any one of the cooling and lubricating systems, and the main speed reducer has the same beneficial effects as the cooling and lubricating system.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A cooling and lubricating system is characterized by comprising an oil pool, a first suction filter, a second suction filter, a first oil pump, a second oil pump, a first valve, a second valve, a third valve, a first pipeline and a second pipeline;
the first suction filter and the second suction filter are both arranged in the oil pool, and the distance between the first suction filter and the bottom of the oil pool is greater than the distance between the second suction filter and the bottom of the oil pool;
an input port of the first oil pump is connected with the first suction filter, an output port of the first oil pump is respectively connected with a first end of the first valve and a first end of the third valve, and a second end of the first valve is connected with a structure to be cooled and lubricated through the first pipeline;
an input port of the second oil pump is connected with the second suction filter, an output port of the second oil pump is respectively connected with a first end of the second valve and a second end of the third valve, and the second end of the second valve is connected with the structure to be cooled and lubricated through the second pipeline.
2. The cooling and lubrication system according to claim 1, further comprising a first pressure sensor disposed at an end of the first pipeline, a second pressure sensor disposed at an end of the second pipeline, and a controller;
the first pressure sensor and the second pressure sensor are both connected with the controller;
the first valve, the second valve, the third valve, the first oil pump and the second oil pump are all controlled by the controller.
3. The cooling and lubrication system of claim 1, further comprising a first check valve and a second check valve;
an output port of the first oil pump is respectively connected with a first end of the first valve and a first end of the third valve through the first one-way valve;
and the output port of the second oil pump is respectively connected with the first end of the second valve and the second end of the third valve through the second one-way valve.
4. The cooling and lubrication system of claim 1, further comprising a first oil cooler and a second oil cooler;
the first pipeline passes through the first oil cooler, and the second pipeline passes through the second oil cooler.
5. The cooling and lubrication system according to claim 4, further comprising a first flow regulating valve connected in parallel with the first oil cooler and a second flow regulating valve connected in parallel with the second oil cooler.
6. The cooling and lubrication system according to any one of claims 1 to 5, wherein a first temperature sensor is provided on the first pipeline, and a second temperature sensor is provided on the second pipeline.
7. The cooling and lubrication system according to any one of claims 1 to 5, further comprising a liquid level gauge provided in the oil sump.
8. The cooling and lubrication system according to any one of claims 1 to 5, wherein the first valve and the second valve are both check valves, and the third valve is a shut-off valve.
9. The cooling and lubrication system according to any one of claims 1 to 5, wherein the first valve, the second valve and the third valve are all solenoid valves or electric valves.
10. A final drive characterized by comprising a cooling and lubricating system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220176194.0U CN216643060U (en) | 2022-01-21 | 2022-01-21 | Cooling and lubricating system and main speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220176194.0U CN216643060U (en) | 2022-01-21 | 2022-01-21 | Cooling and lubricating system and main speed reducer |
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| CN216643060U true CN216643060U (en) | 2022-05-31 |
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| CN202220176194.0U Active CN216643060U (en) | 2022-01-21 | 2022-01-21 | Cooling and lubricating system and main speed reducer |
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