Bearing lubricating structure of bearing box

Abstract

The utility model relates to the technical field of bearing boxes, and discloses a bearing box bearing lubricating structure which comprises a bearing box shell, a lubricating oil pool is arranged in the bearing box shell, the outer wall of the bearing box shell is fixedly connected with an oil inlet, the outer wall of the bearing box shell is fixedly connected with an oil outlet, and the oil inlet is communicated with the oil outlet. A first oil conveying pipe is fixedly connected to the interior of the oil outlet, a filter cartridge is fixedly connected to the outer wall of the first oil conveying pipe, a filter element is arranged on the inner wall of the filter cartridge, a threaded ring is in threaded connection with the inner wall of the filter cartridge, and a hand rotating wheel is fixedly connected to the bottom end of the threaded ring. According to the utility model, through the mutual cooperation of the oil delivery pipe I, the filter cartridge, the filter element, the sealing ring, the hose, the oil delivery pipe II, the oil pump, the oil delivery pipe III and the cooling assembly, the recycling of lubricating oil is realized, impurities in the lubricating oil are effectively removed, the abrasion is reduced, and the service life is prolonged; and meanwhile, the production cost can be reduced by the recycled lubricating oil.

Description

Technical Field

[0001] This utility model relates to the field of bearing housing technology, and in particular to a bearing lubrication structure for a bearing housing. Background Technology

[0002] Fans are mainly used for ventilation and gas transport. Their impellers rotate at high speed driven by motors. The bearing housing supports the fan shaft in the fan, ensuring the balance and stable operation of the fan impeller. In large industrial fans, the bearing housing can adapt to the operation of the fan under different working conditions. For example, during the process of air volume adjustment, the stress on the fan shaft changes. The bearing housing can effectively withstand these changing forces, reducing the vibration and noise of the fan. A good bearing housing bearing lubrication structure can form a layer of lubricating oil film or grease film on the contact surface of the bearing, converting the dry friction between metals into fluid friction or boundary friction.

[0003] Oil bath lubrication is a common bearing lubrication structure in bearing housings. There is a certain amount of lubricating oil at the bottom of the bearing housing, and part of the bearing is immersed in the oil. When the bearing rotates, the rolling elements carry the oil to the other parts of the bearing.

[0004] Existing technologies do not facilitate the recycling of lubricating oil, requiring continuous replenishment during use. For large industrial equipment or frequently operating equipment, such as large generators, the consumption of lubricating oil can be very high, leading to a significant increase in enterprises' lubricating oil procurement expenditures and increased production costs. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a bearing lubrication structure for a bearing housing, aiming to improve the problem in the prior art where it is inconvenient to recycle lubricating oil, which leads to a significant increase in the expenditure on lubricating oil procurement for enterprises and increases production costs.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A bearing lubrication structure for a bearing housing includes a bearing housing shell. An oil reservoir is formed inside the bearing housing shell. An oil inlet and an oil outlet are fixedly connected to the outer wall of the bearing housing shell. An oil supply pipe is fixedly connected inside the oil outlet. A filter cylinder is fixedly connected to the outer wall of the first oil supply pipe. A filter element is provided on the inner wall of the filter cylinder. A threaded ring is threadedly connected to the inner wall of the filter cylinder. A handwheel is fixedly connected to the bottom end of the threaded ring. A sealing ring is rotatably connected inside the handwheel. One end of a flexible hose is fixedly connected to the bottom end of the sealing ring. The other end of the flexible hose is fixedly connected to one end of a second oil supply pipe. An oil pump is fixedly connected to the other end of the second oil supply pipe. A third oil supply pipe is fixedly connected to the outer wall of the oil pump. The outer wall of the third oil supply pipe is fixedly connected inside the oil inlet. A cooling assembly is provided on the outer wall of the second oil supply pipe.

[0008] Preferably, the cooling assembly includes a cooling cylinder, the interior of which is fixedly connected to the outer wall of the second oil pipeline. The top of the cooling cylinder is provided with a water inlet, and the bottom of the cooling cylinder is provided with a water outlet.

[0009] Preferably, the oil inlet is internally threaded with a threaded plug II, and the oil outlet is internally threaded with a threaded plug I.

[0010] Preferably, a fixing block one is fixedly connected to the outer wall of the bearing housing, the outer wall of the fixing block one is fixedly connected to the outer wall of the cooling cylinder, a fixing block two is fixedly connected to the outer wall of the bearing housing, the outer wall of the fixing block two is fixedly connected to the outer wall of the filter cylinder, and a fixing block three is fixedly connected to the outer wall of the bearing housing, the outer wall of the fixing block three is fixedly connected to the outer wall of the oil pump.

[0011] Preferably, a ball bearing is provided inside the bearing housing, a spindle is provided on the inner wall of the ball bearing, a bearing cover is fixedly connected to the outer wall of the bearing housing, an L-shaped oil passage groove is provided inside the bearing cover, an oil baffle ring is fixedly connected to the inner wall of the bearing cover, the inner wall of the oil baffle ring is rotatably fixedly connected to the outer wall of the spindle, an L-shaped oil passage groove is provided inside the oil baffle ring, and a straight oil passage groove is provided inside the bearing housing.

[0012] The L-shaped oil passage first and the L-shaped oil passage second are interconnected, and the L-shaped oil passage second and the straight oil passage are interconnected.

[0013] Preferably, a retaining ring is fixedly connected inside the bearing housing.

[0014] Preferably, the outer wall of the spindle is rotatably connected to the inside of the bearing cover.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, the mutual cooperation between the oil supply pipe 1, filter cylinder, filter element, sealing ring, hose, oil supply pipe 2, oil pump, oil supply pipe 3 and cooling components realizes the recycling of lubricating oil. At the same time, impurities in the lubricating oil are effectively removed, reducing wear and extending service life. In addition, the recycled lubricating oil can also reduce production costs.

[0017] 2. In this utility model, by rotating the handwheel, the threaded ring is made to rotate on the inner wall of the filter cylinder and slide out from the inner wall of the filter cylinder. Then, the filter element is slid out from the inner wall of the filter cylinder, which can achieve the effect of convenient and quick replacement of the filter element. Thus, maintenance operations can be completed in a short time, reducing downtime.

[0018] 3. In this utility model, during the rotation of the spindle, some lubricating oil will enter the cavity between the ball bearing and the oil retainer ring through the ball bearing. Then, the lubricating oil will enter the interior of the L-shaped oil groove two through the first L-shaped oil groove, and then flow back to the lubricating oil pool through the straight oil groove. A complete lubricating oil flow circuit is arranged around the ball bearing, so that the ball bearing can be fully lubricated during operation, extending the service life of the ball bearing and ensuring long-term safe operation. Attached Figure Description

[0019] Figure 1 This is a perspective view of a bearing lubrication structure for a bearing housing proposed in this utility model;

[0020] Figure 2 This is a cross-sectional schematic diagram of the internal structure of a bearing housing, which is a bearing lubrication structure for a bearing housing according to this utility model.

[0021] Figure 3 This is a cross-sectional schematic diagram of the internal structure of the filter cylinder of the bearing lubrication structure of the bearing housing proposed in this utility model;

[0022] Figure 4 This is a partial cross-sectional view of the oil retaining ring structure of the bearing lubrication structure of the bearing housing proposed in this utility model;

[0023] Figure 5 This is a partial cross-sectional view of the bearing cover of a bearing housing bearing lubrication structure proposed in this utility model.

[0024] Legend:

[0025] 1. Bearing housing; 2. Lubricating oil sump; 3. Oil inlet; 4. Oil outlet; 5. Oil supply pipe one; 6. Filter cartridge; 7. Filter element; 8. Threaded ring; 9. Handwheel; 10. Sealing ring; 11. Hose; 12. Oil supply pipe two; 13. Oil pump; 14. Oil supply pipe three; 15. Water inlet; 16. Cooling cylinder; 17. Water outlet; 18. Fixing block one; 19. Fixing block two; 20. Threaded plug one; 21. Threaded plug two; 22. Fixing block three; 23. Ball bearing; 24. Bearing cover; 25. Main shaft; 26. Retaining ring; 27. Oil retaining ring; 28. L-shaped oil groove one; 29. ​​L-shaped oil groove two; 30. Straight oil groove. Detailed Implementation

[0026] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] Reference Figure 1 - Figure 3 This utility model provides an embodiment of a bearing housing lubrication structure, including a bearing housing shell 1, a lubricating oil pool 2 inside the bearing housing shell 1, an oil inlet 3 fixedly connected to the outer wall of the bearing housing shell 1, an oil outlet 4 fixedly connected to the outer wall of the bearing housing shell 1, an oil supply pipe 5 fixedly connected inside the oil outlet 4, a filter cylinder 6 fixedly connected to the outer wall of the oil supply pipe 5, a filter element 7 provided on the inner wall of the filter cylinder 6, a threaded ring 8 threadedly connected to the inner wall of the filter cylinder 6, a handwheel 9 fixedly connected to the bottom end of the threaded ring 8, and a sealing ring 1 rotatably connected inside the handwheel 9. 0. The bottom end of the sealing ring 10 is fixedly connected to one end of the hose 11, the other end of the hose 11 is fixedly connected to one end of the second oil supply pipe 12, the other end of the second oil supply pipe 12 is fixedly connected to the oil pump 13, the outer wall of the oil pump 13 is fixedly connected to the third oil supply pipe 14, the outer wall of the third oil supply pipe 14 is fixedly connected to the inside of the oil inlet 3, and the outer wall of the second oil supply pipe 12 is provided with a cooling assembly; the cooling assembly includes a cooling cylinder 16, the inside of the cooling cylinder 16 is fixedly connected to the outer wall of the second oil supply pipe 12, the top end of the cooling cylinder 16 is provided with a water inlet 15, and the bottom end of the cooling cylinder 16 is provided with a water outlet 17;

[0028] Specifically, the lubricating oil tank 2 is used to store a certain amount of lubricating oil. Lubricating oil can be added into the lubricating oil tank 2 through the oil inlet 3, and the lubricating oil in the lubricating oil tank 2 can be discharged through the oil outlet 4. The oil delivery pipe 5, which is fixedly connected inside the oil outlet 4, can draw out the lubricating oil from the lubricating oil tank 2 under the action of the oil pump 13. After being drawn out, it enters the interior of the filter cylinder 6. During operation, some metal debris and impurities will be generated due to friction and wear between components. The impurities in the lubricating oil can be effectively filtered by the filter element 7 set inside the filter cylinder 6. Then, through the cooling component, the temperature of the lubricating oil is reduced and restored to a suitable viscosity range, which can better ensure good lubrication and reduce wear. Cooling water can be added into the interior of the cooling cylinder 16 through the water inlet 15, and the cooling water that has risen in temperature due to long-term cooling can be discharged through the water outlet 17. New cooling water can then be added to maintain the cooling effect.

[0029] Reference Figure 1 The oil inlet 3 is internally threaded with a threaded plug 21, and the oil outlet 4 is internally threaded with a threaded plug 20.

[0030] Specifically, when adding lubricating oil into the bearing housing 1, simply rotate the threaded plug 21 to make it slide out from the oil inlet 3 to add lubricating oil into the bearing housing 1. When the threaded plug 21 is not removed, it can seal the oil inlet 3. By rotating the threaded plug 20 to make it slide out from the oil outlet 4, the lubricating oil in the lubricating oil pool 2 can be discharged.

[0031] Reference Figure 1 A fixing block 18 is fixedly connected to the outer wall of the bearing housing 1. The outer wall of the fixing block 18 is fixedly connected to the outer wall of the cooling cylinder 16. A fixing block 29 is fixedly connected to the outer wall of the bearing housing 1. The outer wall of the fixing block 29 is fixedly connected to the outer wall of the filter cylinder 6. A fixing block 32 is fixedly connected to the outer wall of the bearing housing 1. The outer wall of the fixing block 322 is fixedly connected to the outer wall of the oil pump 13.

[0032] Specifically, fixing block 18 can fix the cooling cylinder 16, fixing block 2 19 can fix the filter cylinder 6, and fixing block 3 22 can fix the oil pump 13.

[0033] Reference Figure 1 , Figure 4 and Figure 5The bearing housing 1 contains a ball bearing 23, and a main shaft 25 is mounted on the inner wall of the ball bearing 23. A bearing cover 24 is fixedly connected to the outer wall of the bearing housing 1. The bearing cover 24 has an L-shaped oil passage groove 29 inside, and an oil retainer ring 27 is fixedly connected to the inner wall of the bearing cover 24. The inner wall of the oil retainer ring 27 is rotatably fixedly connected to the outer wall of the main shaft 25. The oil retainer ring 27 has an L-shaped oil passage groove 28 inside, and a straight oil passage groove 30 is opened inside the bearing housing 1. The L-shaped oil passage groove 28 and the L-shaped oil passage groove 29 are interconnected, and the L-shaped oil passage groove 29 and the straight oil passage groove 30 are interconnected. A retaining ring 26 is fixedly connected to the inside of the bearing housing 1. The outer wall of the main shaft 25 is rotatably connected to the inside of the bearing cover 24.

[0034] Specifically, one end of the main shaft 25 is connected to a motor, and the other end is connected to a fan. The retaining ring 26 is used to limit the movement of the ball bearing 23. During the rotation of the main shaft 25, some lubricating oil will enter the cavity between the ball bearing 23 and the oil retaining ring 27 through the ball bearing 23. Then, the lubricating oil will enter the interior of the L-shaped oil groove 29 through the L-shaped oil groove 1 28, and then flow back to the lubricating oil pool 2 through the straight oil groove 30.

[0035] Working Principle: When in use, oil pump 13 is started, causing oil delivery pipe 1 5 to draw lubricating oil from the lubricating oil pool 2 through oil outlet 4. The drawn lubricating oil first enters the filter cartridge 6, where it is filtered by filter element 7. The filtered lubricating oil then passes through sealing ring 10 and hose 11 into oil delivery pipe 2 12. Inside oil delivery pipe 2 12, the lubricating oil is cooled by cooling cylinder 16 before entering oil pump 13. Finally, it enters oil inlet 3 through oil delivery pipe 3 14 and returns to the lubricating oil pool 2. After a period of time, the lubricating oil, filtered by filter element 7 and cooled by cooling cylinder 16, returns to the lubricating oil pool 2. Impurities in the lubricating oil are effectively removed, reducing wear and extending service life. The recycled lubricating oil also reduces production costs. When filter element 7 needs to be cleaned... During replacement, rotating the handwheel 9 causes the threaded ring 8 to rotate on the inner wall of the filter cylinder 6 and slide out from the inner wall of the filter cylinder 6. During this process, the outer wall of the sealing ring 10 will rotate inside the handwheel 9. When the threaded ring 8 is removed from the inner wall of the filter cylinder 6, the filter element 7 can be slid out from the inner wall of the filter cylinder 6, thus achieving the effect of convenient and quick replacement of the filter element 7. This allows maintenance operations to be completed in a short time, reducing downtime and improving equipment reliability. During the rotation of the main shaft 25, some lubricating oil will enter the cavity between the ball bearing 23 and the oil baffle ring 27 through the ball bearing 23. Then, the lubricating oil will enter the interior of the L-shaped oil groove 29 through the L-shaped oil groove 1 28, and then flow back to the lubricating oil pool 2 through the straight oil groove 30. In this way, a complete lubricating oil flow circuit is arranged around the ball bearing 23, so that the ball bearing 23 can be fully lubricated during operation, extending the service life of the ball bearing 23 and ensuring long-term safe operation.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bearing lubrication structure for a bearing housing, comprising a bearing housing shell (1), characterized in that: The bearing housing (1) has an internal lubricating oil pool (2). An oil inlet (3) is fixedly connected to the outer wall of the bearing housing (1). An oil outlet (4) is fixedly connected to the outer wall of the bearing housing (1). An oil supply pipe (5) is fixedly connected inside the oil outlet (4). A filter cylinder (6) is fixedly connected to the outer wall of the oil supply pipe (5). A filter element (7) is provided on the inner wall of the filter cylinder (6). A threaded ring (8) is threadedly connected to the inner wall of the filter cylinder (6). A hand-operated device is fixedly connected to the bottom end of the threaded ring (8). The handwheel (9) is rotatably connected to a sealing ring (10). The bottom end of the sealing ring (10) is fixedly connected to one end of a hose (11). The other end of the hose (11) is fixedly connected to one end of an oil pipe (2) and the other end of the oil pipe (2) is fixedly connected to an oil pump (13). The outer wall of the oil pump (13) is fixedly connected to an oil pipe (3) and the outer wall of the oil pipe (3) is fixedly connected to the inside of the oil inlet (3). The outer wall of the oil pipe (2) is provided with a cooling component.

2. The bearing lubrication structure for a bearing housing according to claim 1, characterized in that: The cooling assembly includes a cooling cylinder (16), the interior of which is fixedly connected to the outer wall of the second oil pipe (12). The top of the cooling cylinder (16) is provided with a water inlet (15), and the bottom of the cooling cylinder (16) is provided with a water outlet (17).

3. The bearing lubrication structure for a bearing housing according to claim 1, characterized in that: The oil inlet (3) is internally threaded with a threaded plug 2 (21), and the oil outlet (4) is internally threaded with a threaded plug 1 (20).

4. The bearing lubrication structure for a bearing housing according to claim 1, characterized in that: The outer wall of the bearing housing (1) is fixedly connected to a fixing block one (18), the outer wall of the fixing block one (18) is fixedly connected to the outer wall of the cooling cylinder (16), the outer wall of the bearing housing (1) is fixedly connected to a fixing block two (19), the outer wall of the fixing block two (19) is fixedly connected to the outer wall of the filter cylinder (6), the outer wall of the bearing housing (1) is fixedly connected to a fixing block three (22), the outer wall of the fixing block three (22) is fixedly connected to the outer wall of the oil pump (13).

5. The bearing lubrication structure for a bearing housing according to claim 1, characterized in that: The bearing housing (1) is equipped with a ball bearing (23) inside. The inner wall of the ball bearing (23) is equipped with a spindle (25). The outer wall of the bearing housing (1) is fixedly connected with a bearing cover (24). The inner wall of the bearing cover (24) is provided with an L-shaped oil passage groove (29). The inner wall of the bearing cover (24) is fixedly connected with an oil baffle ring (27). The inner wall of the oil baffle ring (27) is rotatably fixedly connected to the outer wall of the spindle (25). The inner wall of the oil baffle ring (27) is provided with an L-shaped oil passage groove (28). The inner wall of the bearing housing (1) is provided with a straight oil passage groove (30).

6. The bearing lubrication structure for a bearing housing according to claim 5, characterized in that: The L-shaped oil passage first (28) and the L-shaped oil passage second (29) are interconnected, and the L-shaped oil passage second (29) and the straight oil passage (30) are interconnected.

7. The bearing lubrication structure for a bearing housing according to claim 1, characterized in that: A retaining ring (26) is fixedly connected inside the bearing housing (1).

8. A bearing lubrication structure for a bearing housing according to claim 5, characterized in that: The outer wall of the main shaft (25) is rotatably connected to the inside of the bearing cover (24).

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