CN218094157U - Gearbox lubricating oil cooling device - Google Patents
Gearbox lubricating oil cooling device Download PDFInfo
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- CN218094157U CN218094157U CN202221505667.3U CN202221505667U CN218094157U CN 218094157 U CN218094157 U CN 218094157U CN 202221505667 U CN202221505667 U CN 202221505667U CN 218094157 U CN218094157 U CN 218094157U
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Abstract
The utility model belongs to the technical field of the lubricating oil cooling technique and specifically relates to a gearbox lubricating oil cooling device. The oil pump transmission device comprises a transmission case body, wherein a driving gear and a driven gear are arranged in the transmission case body, the driving gear and the driven gear are meshed with each other and connected, the driving gear is connected to a driving shaft, two ends of the driving shaft are connected with the transmission case body in a rotating mode through bearings, one end of the driving shaft stretches out of the transmission case body and is connected with a motor driving end, the other end of the driving shaft is fixedly connected with one end of a transmission shaft, the other end of the transmission shaft is connected with an oil pump driving end, an oil suction pipe oil outlet is connected to an oil pump oil inlet, and the oil suction pipe oil inlet is located at the bottom of an inner cavity of the transmission case body. The utility model discloses a lubricating oil and external cooling water carry out the heat transfer, can effectively reduce the temperature of lubricating oil in the gearbox under the operating condition to improve the life of bearing and gear in the gearbox, can reduce the oxidation rate of lubricating oil simultaneously, thereby prolong the life of lubricating oil.
Description
Technical Field
The utility model belongs to the technical field of the lubricating oil cooling technique and specifically relates to a gearbox lubricating oil cooling device.
Background
In the prior art, when a gear in a gearbox rotates at a high speed, high-speed friction occurs between meshed gears, so that the temperature of lubricating oil in a box body is quickly increased, the viscosity of the lubricating oil is reduced after the temperature of the lubricating oil is increased, the lubricating performance is reduced, and the service life of a bearing and the service life of the gears are finally influenced. Meanwhile, the temperature of the lubricating oil rises, so that the oxidation speed of the lubricating oil is accelerated, the lubricating oil is finally deteriorated, and the service life of the lubricating oil is shortened.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the application provides the lubricating oil cooling device for the gearbox, which can effectively reduce the temperature of the lubricating oil in the gearbox in a working state, so that the service lives of a bearing and a gear in the gearbox are prolonged; meanwhile, the oxidation speed of the lubricating oil can be reduced, so that the service life of the lubricating oil is prolonged.
The utility model discloses the technical scheme who adopts as follows:
a lubricating oil cooling device for a gearbox comprises a gearbox shell, wherein a driving gear and a driven gear are arranged in the gearbox shell, the driving gear and the driven gear are meshed and connected with each other, the driving gear is connected to a driving shaft, two ends of the driving shaft are rotatably connected with the gearbox shell through bearings, one end of the driving shaft extends out of the gearbox shell and is connected with a motor driving end, the other end of the driving shaft is fixedly connected with one end of a transmission shaft, the other end of the transmission shaft is connected with an oil pump driving end, an oil inlet of the oil pump is connected with an oil outlet of an oil suction pipe, and the oil inlet of the oil suction pipe is positioned at the bottom of an inner cavity of the gearbox shell; the oil outlet of the oil pump is connected with one end of an oil outlet pipe, the other end of the oil outlet pipe extends out of the shell of the transmission case and is connected with an oil inlet of the heat exchanger, the oil outlet of the heat exchanger is connected with one end of an oil inlet pipe, the other end of the oil inlet pipe is connected with an oil inlet of an oil nozzle, the oil nozzle is arranged in the shell of the transmission case, and an oil nozzle of the oil nozzle faces to the driven gear; the water inlet end of the heat exchanger is connected with the water outlet end of the water tank through a water outlet pipe, and the water inlet end of the water tank is connected with the water outlet end of the heat exchanger through a water return pipe.
Further, an oil inlet of the oil suction pipe is connected with the filter.
Furthermore, a filter fixing sleeve is fixed at the bottom of the inner cavity of the gearbox shell, and a filter is inserted in the filter fixing sleeve.
Further, the fixed cover central point of filter puts and sets up the cartridge chamber, cartridge intracavity cartridge filter, and the lateral wall sets up four deformation grooves, and four deformation grooves are along circumferencial direction evenly distributed, and deformation groove one end opening, the other end seal, and the open end in deformation groove extends to the fixed upper end face of filter along the direction of height, and the blind end in deformation groove is located the fixed cover bottom of filter, sets up a plurality of oil feed windows on the fixed cover lateral wall of filter, and a plurality of oil feed windows are along circumferencial direction evenly distributed.
Furthermore, a water pump is arranged on the water outlet pipe.
Furthermore, the oil outlet and the water inlet end of the heat exchanger are positioned on the same side, and the oil inlet and the water outlet end of the heat exchanger are positioned on the same side.
Furthermore, the oil inlet pipe is provided with a three-way valve, one end of the three-way valve is connected with an oil inlet of the auxiliary oil tank, the oil outlet of the auxiliary oil tank passes through one end of the auxiliary oil pipe, the other end of the auxiliary oil pipe is connected with the oil inlet pipe, the three-way valve is electrically connected with a temperature sensor, and the temperature sensor is arranged at the bottom in the shell of the transmission case.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, the lubricating oil and the external cooling water exchange heat, and the temperature of the lubricating oil in the gearbox under the working state can be effectively reduced, thereby prolonging the service life of the bearing and the gear in the gearbox, and simultaneously reducing the oxidation speed of the lubricating oil, thereby prolonging the service life of the lubricating oil; the oil spray nozzle is adopted to directly spray cooling lubricating oil to the gear, so that the lubricating effect and the cooling effect are improved; after the auxiliary oil tank is opened, the lubricating oil after partial cooling is temporarily stored in the auxiliary oil tank, and the cooling effect of the sprayed lubricating oil is prevented from being influenced by the fact that the driving gear and the driven gear are soaked in the high-temperature lubricating oil.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the internal structure of the transmission housing.
Figure 3 is a front view of a filter retainer sleeve.
Figure 4 is a top view of a filter retainer.
Wherein: 1. a transmission housing; 2. a motor; 3. a drive shaft; 4. a driving gear; 5. a driven shaft; 6. a driven gear; 7. an oil pump; 8. a drive shaft; 9. a filter fixing sleeve; 9.1, a deformation groove; 9.2, an oil inlet window; 9.3, inserting a cavity; 10. a filter; 11. an oil jet; 12. a heat exchanger; 13. an auxiliary oil tank; 14. a water pump; 15. a water tank; 16. an oil outlet pipe; 17. an oil inlet pipe; 18. a water outlet pipe; 19. a water return pipe; 20. an oil suction pipe; 21. a three-way valve; 22. and an auxiliary oil pipe.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
In the embodiment shown in fig. 1 and 2, a lubricating oil cooling device for a gearbox mainly comprises a gearbox shell 1, a driving gear 4 and a driven gear 6 are arranged in the gearbox shell 1, the driving gear 4 and the driven gear 6 are meshed and connected with each other, the driving gear 4 is connected to a driving shaft 3, two ends of the driving shaft 3 are rotatably connected with the gearbox shell 1 through bearings, one end of the driving shaft 3 extends out of the gearbox shell 1 and is connected with a driving end of a motor 2, the driving shaft 3 is driven to rotate by the motor 2 when the motor 2 works, the driving shaft 3 drives the driving gear 4 to rotate, the driving gear 4 drives the meshed driven gear 6 to rotate along with the driving gear, and a large amount of heat is generated at the meshing part of the driving gear 4 and the driven gear 6 due to high-speed friction.
In the embodiment shown in fig. 1 and 2, the other end of the driving shaft 3 is fixedly connected with one end of a transmission shaft 8, the other end of the transmission shaft 8 is connected with the driving end of an oil pump 7, an oil inlet of the oil pump 7 is connected with an oil outlet of an oil suction pipe 20, and an oil inlet of the oil suction pipe 20 is located at the bottom of an inner cavity of the gearbox housing 1.
In the embodiment shown in fig. 1 and 2, the oil inlet of the oil suction pipe 20 is connected with the filter 10, and the filter 10 can filter impurities in the lubricating oil to prevent the impurities from blocking the pipeline.
When the driving gear 4 rotates at a high speed, lubricating oil in the transmission case 1 flows, the filter 10 is indirectly disturbed in the transmission case 1, and the filter 10 is disturbed to damage each part in the transmission case 1. In order to avoid the filter 10 caused by the flow of the lubricating oil, in the embodiment shown in fig. 2 and 3, a filter fixing sleeve 9 is fixed at the bottom of the inner cavity of the transmission housing 1, and the filter 10 is inserted in the filter fixing sleeve 9.
In the embodiment shown in fig. 3 and 4, the filter fixing sleeve 9 is provided with an insertion cavity 9.3 at the center, the filter 10 is inserted in the insertion cavity 9.3, the side wall is provided with four deformation grooves 9.1, and the four deformation grooves 9.1 are uniformly distributed along the circumferential direction. One end of the deformation groove 9.1 is open, the other end is closed, the open end of the deformation groove 9.1 extends to the upper end face of the filter fixing sleeve 9 along the height direction, and the closed end of the deformation groove 9.1 is positioned at the bottom of the filter fixing sleeve 9. Set up a plurality of oil feed windows 9.2 on the fixed cover 9 lateral wall of filter, a plurality of oil feed windows 9.2 are along circumferencial direction evenly distributed, and lubricating oil gets into filter 10 through oil feed window 9.2.
In the embodiment shown in fig. 1, an oil outlet of the oil pump 7 is connected to one end of an oil outlet pipe 16, the other end of the oil outlet pipe 16 extends out of the transmission housing 1 and is connected to an oil inlet of the heat exchanger 12, an oil outlet of the heat exchanger 12 is connected to one end of an oil inlet pipe 17, the other end of the oil inlet pipe 17 is connected to an oil inlet of an oil nozzle 11, the oil nozzle 11 is arranged in the transmission housing 1, and an oil nozzle 11 is arranged in a manner that an oil nozzle opening of the oil nozzle 11 faces the driven gear 6. The water inlet end of the heat exchanger 12 is connected with the water outlet end of the water tank 15 through a water outlet pipe 18, the water outlet pipe 18 is provided with a water pump 14, and the water inlet end of the water tank 15 is connected with the water outlet end of the heat exchanger 12 through a water return pipe 19. In order to ensure the heat exchange efficiency, the oil outlet end and the water inlet end of the heat exchanger 12 are positioned on the same side, and the oil inlet end and the water outlet end of the heat exchanger 12 are positioned on the same side. The water outlet pipe 18 is provided with a water pump 14.
In the using process, high-temperature lubricating oil in the gearbox shell 1 is sucked into the oil outlet pipe 16 through the oil pump 7, then enters the spiral heat exchange pipe of the heat exchanger 12 through the oil outlet pipe 16, is subjected to cold heat exchange with cooling water in the heat exchanger 12, the cooled lubricating oil enters the oil inlet pipe from the oil outlet of the heat exchanger 12, and finally is sprayed onto the driven gear 6 and the driving gear 4 through the oil nozzle 11, so that the meshing position of the driven gear 6 and the driving gear 4 can be always kept under the lubrication of the low-temperature lubricating oil.
In another alternative embodiment, as shown in fig. 1, a three-way valve 21 is disposed on the oil inlet pipe 17, one end of the three-way valve 21 is connected to an oil inlet of the auxiliary oil tank 13, an oil outlet of the auxiliary oil tank 13 passes through one end of an auxiliary oil pipe 22, and the other end of the auxiliary oil pipe 22 is connected to the oil inlet pipe 17. Temperature sensor is connected to three way valve 21 electricity, and temperature sensor sets up bottom in transmission housing 1, detects the interior lubricating oil temperature of transmission housing 1 and surpasss and predetermine the temperature when temperature sensor, and temperature sensor signals to three way valve 21, and control three way valve 21 communicates auxiliary oil tank 13 on advancing oil pipe 17, and the lubricating oil after the part cooling is stored temporarily in auxiliary oil tank 13, avoids driving gear 4 and driven gear 6 to soak in high temperature lubricating oil, influences the cooling effect of the lubricating oil that sprays.
In the actual use process of the gearbox shell, the driven gear 6 and the driving gear 4 in the gearbox shell 1 are difficult to be ensured to be always under the lubrication of lubricating oil, and the lubricating oil on the driven gear 6 and the driving gear 4 cannot be ensured to be in a low-temperature good lubricating state. The utility model discloses can enough guarantee that the lubricating oil on driven gear 6 and the driving gear 4 is in a microthermal good lubricated state all the time, also can guarantee simultaneously that driven gear 6 and driving gear 4 are in under the lubrication of lubricating oil all the time.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (7)
1. The utility model provides a gearbox lubricating oil cooling device, includes gearbox housing (1), set up driving gear (4) and driven gear (6) in gearbox housing (1), driving gear (4) and driven gear (6) intermeshing are connected, and driving gear (4) are connected on driving shaft (3), driving shaft (3) both ends are passed through the bearing and are rotated and connect gearbox housing (1), and driving shaft (3) one end is stretched out gearbox housing (1) and is connected motor (2) drive end, its characterized in that: the other end of the driving shaft (3) is fixedly connected with one end of a transmission shaft (8), the other end of the transmission shaft (8) is connected with the driving end of an oil pump (7), an oil inlet of the oil pump (7) is connected with an oil outlet of an oil suction pipe (20), and an oil inlet of the oil suction pipe (20) is positioned at the bottom of an inner cavity of the gearbox shell (1); an oil outlet of the oil pump (7) is connected with one end of an oil outlet pipe (16), the other end of the oil outlet pipe (16) extends out of the gearbox shell (1) and is connected with an oil inlet of the heat exchanger (12), an oil outlet of the heat exchanger (12) is connected with one end of an oil inlet pipe (17), the other end of the oil inlet pipe (17) is connected with an oil inlet of an oil nozzle (11), the oil nozzle (11) is arranged in the gearbox shell (1), and an oil nozzle of the oil nozzle (11) faces the driven gear (6); the water inlet end of the heat exchanger (12) is connected with the water outlet end of the water tank (15) through a water outlet pipe (18), and the water inlet end of the water tank (15) is connected with the water outlet end of the heat exchanger (12) through a water return pipe (19).
2. A transmission lubricating oil cooling device according to claim 1, characterized in that: an oil inlet of the oil suction pipe (20) is connected with the filter (10).
3. A transmission lubricating oil cooling device according to claim 2, characterized in that: the bottom of the inner cavity of the gearbox shell (1) is fixed with a filter fixing sleeve (9), and a filter (10) is inserted in the filter fixing sleeve (9).
4. A transmission lubricating oil cooling device according to claim 3, characterized in that: fixed cover (9) central point of filter puts and sets up cartridge chamber (9.3), cartridge chamber (9.3) interpolation dress filter (10), the lateral wall sets up four deformation groove (9.1), four deformation groove (9.1) are along circumferencial direction evenly distributed, deformation groove (9.1) one end opening, the other end seals, the open end of deformation groove (9.1) extends to the fixed cover of filter (9) up end along the direction of height, the blind end of deformation groove (9.1) is located the fixed cover of filter (9) bottom, set up a plurality of oil feed windows (9.2) on the fixed cover of filter (9) lateral wall, a plurality of oil feed windows (9.2) are along circumferencial direction evenly distributed.
5. A transmission oil cooling device as defined in claim 1, wherein: the water outlet pipe (18) is provided with a water pump (14).
6. A transmission lubricating oil cooling device according to claim 1, characterized in that: the oil outlet and the water inlet end of the heat exchanger (12) are located on the same side, and the oil inlet and the water outlet end of the heat exchanger (12) are located on the same side.
7. A gearbox lubricating oil cooling device according to any one of claims 1 to 6, characterised in that: the oil inlet pipe is characterized in that a three-way valve (21) is arranged on the oil inlet pipe (17), one end of the three-way valve (21) is connected with an oil inlet of the auxiliary oil tank (13), an oil outlet of the auxiliary oil tank (13) passes through one end of the auxiliary oil pipe (22), the other end of the auxiliary oil pipe (22) is connected with the oil inlet pipe (17), the three-way valve (21) is electrically connected with a temperature sensor, and the temperature sensor is arranged at the bottom in the gearbox shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221505667.3U CN218094157U (en) | 2022-06-16 | 2022-06-16 | Gearbox lubricating oil cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221505667.3U CN218094157U (en) | 2022-06-16 | 2022-06-16 | Gearbox lubricating oil cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN218094157U true CN218094157U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221505667.3U Active CN218094157U (en) | 2022-06-16 | 2022-06-16 | Gearbox lubricating oil cooling device |
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| Country | Link |
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| CN (1) | CN218094157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116438948A (en) * | 2023-04-22 | 2023-07-18 | 青岛郁金香机械有限公司 | Power-driven harrow |
-
2022
- 2022-06-16 CN CN202221505667.3U patent/CN218094157U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116438948A (en) * | 2023-04-22 | 2023-07-18 | 青岛郁金香机械有限公司 | Power-driven harrow |
| CN116438948B (en) * | 2023-04-22 | 2024-01-26 | 青岛郁金香机械有限公司 | Power-driven harrow |
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