Rolling oil lubricating water-cooling bearing box device

Abstract

The invention discloses a rolling oil lubricating water-cooling bearing box device, and relates to the technical field of fans, the rolling oil lubricating water-cooling bearing box device comprises a supporting bearing box seat and a cylindrical hole self-aligning ball bearing, a supporting bearing box cover is arranged on the top of the supporting bearing box seat, a side cover is connected to one side of the supporting bearing box seat, and a first side seal is arranged on the other side of the supporting bearing box seat; a main shaft is rotationally connected to the interior of the first side seal, a second side seal is connected to the outer side of one end of the main shaft in a sleeving mode, a thrust bearing box seat is arranged on one side of the second side seal, and a thrust bearing box cover is connected to the top of the thrust bearing box seat. The cylindrical hole self-aligning ball bearing is mainly used for bearing the radial load of the main shaft and a small amount of axial load, meanwhile, the cylindrical hole self-aligning ball bearing has good self-aligning performance, the coaxiality error generated by shaft bending and shell deformation can be automatically compensated, and the radial clearance of the bearing can be finely adjusted; and mounting and dismounting are very convenient.

Description

Technical Field

[0001] The invention relates to the technical field of fans, and in particular to a rolling oil lubricated water-cooled bearing box device. Background Art

[0002] Centrifugal blowers have experienced nearly a hundred years of development, and all technologies have become mature and complete. In today's market-oriented world, competition between countries and between companies is becoming increasingly fierce. The manufacturing cost of the centrifugal blower itself has been compressed to the extreme, and it is necessary to bring the customer's complete set cost to the table and make more related considerations on the product chain. The small rolling oil-lubricated water-cooled bearing box device for low-speed and heavy-load double-support centrifugal blowers is not limited to the product itself, but to reduce the overall cost of customers in the entire blower manufacturing, layout, installation, operation and maintenance process.

[0003] At present, conventional low-speed heavy-load fans use sliding bearings. This type of bearing requires supporting oil stations, high-position oil tanks and other oil pipeline arrangements. In addition, sliding bearings are difficult to achieve fluid friction when starting, stopping, and when loads and speeds change greatly, resulting in high overall design, manufacturing and maintenance costs.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a rolling oil lubricated water-cooled bearing box device is proposed. Summary of the invention

[0005] The object of the present invention is to provide a rolling oil lubricated water-cooled bearing box device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rolling oil-lubricated water-cooled bearing box device, comprising a supporting bearing box seat and a cylindrical hole self-aligning ball bearing, a supporting bearing box cover is arranged on the top of the supporting bearing box seat, and a side cover is connected to one side of the supporting bearing box seat, and a first side seal is arranged on the other side of the supporting bearing box seat, the first side seal is internally rotatably connected to a main shaft, and a second side seal is sleeved on the outer side of one end of the main shaft, a thrust bearing box seat is arranged on one side of the second side seal, and the top of the thrust bearing box seat is connected to the thrust bearing box cover, A third side seal is fixed to one side of the thrust bearing box cover, the cylindrical hole self-aligning ball bearing is arranged inside the supporting bearing box seat, and a first stop washer is arranged on one side of the cylindrical hole self-aligning ball bearing, and a first round nut is connected to one side of the first stop washer, a cylindrical roller bearing is arranged inside the thrust bearing box seat, and a bearing locating ring is connected to one side of the cylindrical roller bearing, a four-point contact ball bearing is connected to one side of the bearing locating ring, and a second stop washer is arranged on one side of the four-point contact ball bearing, and a second round nut is connected to one side of the second stop washer.

[0007] Furthermore, a first oil retaining ring is arranged at one end of the interior of the support bearing box cover and the thrust bearing box cover, and a bearing positioning outer ring is fixed at the other end of the interior of the thrust bearing box cover, a second oil retaining ring is arranged on the outer side of the end of the main shaft, and a temperature measuring element is arranged in the center of the top of the support bearing box cover and the thrust bearing box cover.

[0008] Furthermore, a water inlet pipe is connected to one side of the support bearing box seat and the thrust bearing box seat, and a connecting pipe is fixed to the other side of the support bearing box seat and the thrust bearing box seat, a water outlet pipe is provided on one side of the support bearing box cover and the thrust bearing box cover, and an air vent pipe is connected to the top of the support bearing box cover and the thrust bearing box cover.

[0009] Furthermore, one end of the top of the support bearing box cover and the thrust bearing box cover is connected to a fluid replenishment assembly, and the fluid replenishment assembly includes a fluid replenishment tank, a fixed tube and a lifting tube. The top of the support bearing box cover and the thrust bearing box cover are both equipped with a fluid replenishment tank, and the bottom of the fluid replenishment tank is connected to a fixed tube, and the lower end of the fixed tube is slidably connected to the outer side with a lifting tube.

[0010] Furthermore, the fluid infusion assembly also includes an adjusting sleeve, a slider and a supporting sleeve. The upper outer end of the lifting tube is threadedly connected with the adjusting sleeve, and the outer side of the lower end of the lifting tube is provided with a slider, and the lower end of the lifting tube is fixed with a supporting sleeve.

[0011] Furthermore, the number of the adjustment sleeves is two, and the two adjustment sleeves are rotatably connected to the support bearing box cover and the thrust bearing box cover respectively.

[0012] Furthermore, the fluid infusion assembly also includes a sliding rod, a sealing plug and a floating plate. The interior of the support sleeve is slidably connected with the sliding rod, and the sealing plug is fixed to the bottom of the sliding rod, and the floating plate is arranged at the bottom of the sealing plug.

[0013] Furthermore, the lower ends of the support bearing box seat and the thrust bearing box seat are internally connected with a debris removal component, and the debris removal component includes a drive frame, a top block, a pulley seat and a top rod. The drive frame is arranged on the outer side of both ends of the main shaft, and a top block is fixed on one side of the drive frame. A pulley seat is provided on one side of the top block, and a top rod is connected to one side of the pulley seat.

[0014] Furthermore, the impurity removal component also includes a spring, a piston plate and a fixed cylinder, the spring is sleeved on the outer side of one end of the push rod, and the other end of the push rod is connected to the piston plate, and the outer side of the piston plate is slidably connected to the fixed cylinder.

[0015] Furthermore, the impurity removal component also includes a filter cartridge, an end cover and a one-way valve. The filter cartridge is arranged inside the fixed cartridge, and an end cover is arranged on one side of the filter cartridge. The end cover is threadedly connected to the fixed cartridge, and a one-way valve is arranged in the middle of the end cover and on the upper part of one end of the fixed cartridge.

[0016] The present invention provides a rolling oil lubricated water-cooled bearing box device, which has the following beneficial effects:

[0017] 1. The present invention utilizes cylindrical hole self-aligning ball bearings to mainly bear the radial load of the main shaft and a small amount of axial load. At the same time, it has good self-aligning performance, can automatically compensate for the coaxiality error caused by the bending of the shaft and the deformation of the shell, and can fine-tune the radial clearance of the bearing. The cylindrical roller bearing has a large load-bearing capacity and is a separable bearing, which is very convenient to install and disassemble. At the same time, the four-point contact ball bearing is mainly used to bear radial loads and a certain axial load. When the radial clearance of the bearing is increased, it has the function of an angular contact bearing, can withstand a large axial load, and allows a certain axial displacement, but the axial displacement is limited to the axial clearance range. The friction coefficient is small and the limit speed is high, so that the device has a strong load-bearing capacity and can replace the sliding bearing box. The investment cost is low, and the structure is simple, which is convenient for disassembly and maintenance. At the same time, the maintenance cost is also low and the service life is long.

[0018] 2. The first oil retaining ring in the support bearing box seat or the thrust bearing box seat of the present invention, the oil teeth on the main shaft and the first side seal or the second side seal can form three leak-proof oil chambers, and the bearing positioning outer ring, the second oil retaining ring and the third side seal at the other end of the thrust bearing box seat can also form three leak-proof oil chambers. Therefore, during operation, the lubricating oil cuts into the sealing chamber to form a fluid dynamic pressure effect, separates the sealing surfaces, and realizes non-contact operation of the lubricating oil, which can effectively prevent the problem of lubricating oil leakage. At the same time, during use, the internal lubricating oil will heat up and produce atomization, resulting in an increase in internal pressure. At this time, the use of the vent pipe can reduce the oil atomization caused by the temperature rise of the bearing to bring about a slight positive pressure in the box and cause oil leakage, further improving its leak-proof performance. When in use, the cooling water enters from the bottom and exits from the top to circulate for cooling, and the cooling water has a short process flow, a cyclic supply, fast in and fast out, takes away heat, has a good cooling effect, reduces the bearing temperature, extends the bearing life, and ensures stability during use.

[0019] 3. In the present invention, when the internal oil is atomized and the liquid level is lowered, the float plate can descend along with the liquid level, thereby separating the sealing plug from the lifting tube. At this time, the oil in the liquid replenishing box will flow into the bearing box through the fixed tube and the lifting tube, automatically replenishing the oil to prevent the oil level from being too low and affecting the lubrication effect on the bearing. After the liquid replenishment is completed, the oil will drive the float plate to move up, so that the sealing plug blocks the bottom of the lifting tube, thereby preventing the liquid level from being too high after the oil is added, causing the bearing to be converted from rolling friction to sliding friction, thereby aggravating the loss of the bearing. At the same time, when the liquid level height after automatic liquid replenishment is to be controlled according to the spindle speed, it is only necessary to rotate the adjusting sleeve. At this time, the slider will limit the rotation direction of the lifting tube, so that the lifting tube can slide on the outside of the fixed tube to control the bottom height of the lifting tube, and the liquid level after automatic liquid replenishment can be adjusted according to demand.

[0020] 4. The present invention enables the driving frame to be fixed to the main shaft by bolts during the installation process. At this time, the spring will push the pulley seat to make it close to the top block. Therefore, when the main shaft rotates, the top block can reciprocate and squeeze the pulley seat, thereby driving the piston plate to slide inside the fixed cylinder through the push rod, and when the piston plate moves toward the driving frame, the oil inside the bearing box will enter the fixed cylinder through the one-way valve on the end cover, and when the piston plate moves away from the driving frame, the oil inside the fixed cylinder will be sprayed out from the one-way valve on the upper part of the fixed cylinder, so that the oil inside the bearing box can circulate. During the circulation process, the filter cylinder is used to filter and block the debris particles remaining in the oil, so as to avoid aggravating the wear of the bearing due to excessive impurity particles in the oil. At the same time, when cleaning, it is only necessary to loosen the bolts on the fixed cylinder, take it out, and rotate the end cover to clean the impurities inside, which makes it very convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a rolling oil lubricated water-cooled bearing box device of the present invention;

[0022] Figure 2 It is a schematic cross-sectional structure diagram of a supporting bearing box seat of a rolling oil lubricated water-cooled bearing box device of the present invention;

[0023] Figure 3 It is a schematic cross-sectional structure diagram of a thrust bearing box seat of a rolling oil lubricated water-cooled bearing box device of the present invention;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of a supporting bearing box seat of a rolling oil lubricated water-cooled bearing box device of the present invention;

[0025] Figure 5 A schematic diagram of the internal structure of a lifting pipe of a rolling oil lubricated water-cooled bearing box device of the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of a driving frame of a rolling oil lubricated water-cooled bearing box device of the present invention;

[0027] Figure 7 The present invention is a schematic diagram of the cross-sectional structure of an impurity removal component of a rolling oil-lubricated water-cooled bearing box device.

[0028] In the figure: 1. Support bearing box seat; 2. Support bearing box cover; 3. Side cover; 4. First side seal; 5. Main shaft; 6. Second side seal; 7. Thrust bearing box seat; 8. Thrust bearing box cover; 9. Third side seal; 10. Cylindrical bore self-aligning ball bearing; 11. First retaining washer; 12. First round nut; 13. Cylindrical roller bearing; 14. Bearing locating ring; 15. Four-point contact ball bearing; 16. Second retaining washer; 17. Second round nut; 18. First oil retaining ring; 19. Bearing locating outer ring; 20. Second oil retaining ring; 21. Temperature measuring element; 22. Water inlet pipe; 23. Connecting pipe; 24, water outlet pipe; 25, vent pipe; 26, liquid replenishing assembly; 2601, liquid replenishing tank; 2602, fixed pipe; 2603, lifting pipe; 2604, adjusting sleeve; 2605, slider; 2606, support sleeve; 2607, slide rod; 2608, sealing plug; 2609, floating plate; 27, impurity removal assembly; 2701, driving frame; 2702, top block; 2703, pulley seat; 2704, top rod; 2705, spring; 2706, piston plate; 2707, fixed cylinder; 2708, filter cylinder; 2709, end cover; 2710, one-way valve. DETAILED DESCRIPTION

[0029] See also Figures 1 to 7 The present invention provides a technical solution: a rolling oil lubricated water-cooled bearing box device, comprising a supporting bearing box seat 1 and a cylindrical hole self-aligning ball bearing 10, a supporting bearing box cover 2 is arranged on the top of the supporting bearing box seat 1, and a side cover 3 is connected to one side of the supporting bearing box seat 1, and a first side seal 4 is arranged on the other side of the supporting bearing box seat 1, a main shaft 5 is rotatably connected inside the first side seal 4, and a second side seal 6 is sleeved on the outer side of one end of the main shaft 5, a thrust bearing box seat 7 is arranged on one side of the second side seal 6, and a thrust bearing box cover 8 is connected to the top of the thrust bearing box seat 7, and a thrust bearing box cover 8 is fixed on one side of the thrust bearing box cover 8 The third side seal 9, a cylindrical hole self-aligning ball bearing 10 is arranged inside the supporting bearing box seat 1, and a first stop washer 11 is arranged on one side of the cylindrical hole self-aligning ball bearing 10, and a first round nut 12 is connected to one side of the first stop washer 11, a cylindrical roller bearing 13 is arranged inside the thrust bearing box seat 7, and a bearing positioning ring 14 is connected to one side of the cylindrical roller bearing 13, a four-point contact ball bearing 15 is connected to one side of the bearing positioning ring 14, and a second stop washer 16 is arranged on one side of the four-point contact ball bearing 15, and a second round nut 17 is connected to one side of the second stop washer 16.

[0030] See also Figures 1 to 4, a first oil retaining ring 18 is arranged at one end of the inner part of the support bearing box cover 2 and the thrust bearing box cover 8, and a bearing positioning outer ring 19 is fixed at the other end of the inner part of the thrust bearing box cover 8, a second oil retaining ring 20 is arranged on the outer side of the end of the main shaft 5, a temperature measuring element 21 is arranged at the center of the top of the support bearing box cover 2 and the thrust bearing box cover 8, a water inlet pipe 22 is connected to one side of the support bearing box seat 1 and the thrust bearing box seat 7, and a connecting pipe 23 is fixed to the other side of the support bearing box seat 1 and the thrust bearing box seat 7, a water outlet pipe 24 is arranged on one side of the support bearing box cover 2 and the thrust bearing box cover 8, and a venting pipe 25 is connected to the top of the support bearing box cover 2 and the thrust bearing box cover 8;

[0031] The specific operation is as follows: the cylindrical hole self-aligning ball bearing 10 is installed on the main shaft 5 using the first locking washer 11 and the first round nut 12. The cylindrical hole self-aligning ball bearing 10 mainly bears the radial load of the main shaft 5 and a small amount of axial load. At the same time, it has good self-aligning performance and can automatically compensate for the coaxiality error caused by the bending of the shaft and the deformation of the shell. The radial clearance of the bearing can be fine-tuned. The cylindrical roller bearing 13, the bearing positioning ring 14, and the four-point contact ball bearing 15 are installed on the outer side of the other end of the main shaft 5 using the second locking washer 16 and the second round nut 17. The cylindrical roller bearing 13 has The bearing capacity is large, it is a separable bearing, and it is very convenient to install and disassemble. At the same time, the four-point contact ball bearing 15 is used to mainly bear radial loads and certain axial loads. When the radial clearance of the bearing increases, it has the function of an angular contact bearing, can bear a large axial load, and allows a certain axial displacement, but the axial displacement is limited within the axial clearance range. The friction factor is small and the limit speed is high. Therefore, the bearing capacity of this device is strong and it can replace the sliding bearing box. The investment cost is low. At the same time, the structure is simple, which is easy to disassemble and maintain, and the maintenance cost is also low. Then, the support bearing box seat 1 and the support bearing box seat 2 are respectively After the support bearing box cover 2, the thrust bearing box seat 7 and the thrust bearing box cover 8 are connected, the side cover 3, the first side seal 4, the second side seal 6 and the third side seal 9 are installed. Therefore, during the rotation of the main shaft 5, the first oil retaining ring 18 in the support bearing box seat 1 or the thrust bearing box seat 7, the oil teeth on the main shaft 5 and the first side seal 4 or the second side seal 6 can form three leakage-proof oil chambers, and the bearing positioning outer ring 19, the second oil retaining ring 20 and the third side seal 9 at the other end of the thrust bearing box seat 7 can also form three leakage-proof oil chambers. Therefore, during operation, the lubricating oil cuts into the sealing chamber to form a fluid dynamic pressure effect. Separating the sealing surfaces to achieve non-contact operation of the lubricating oil can effectively prevent the lubricating oil from leaking. When in use, cooling water enters from the water inlet pipe 22 and passes through the connecting pipe 23, and is then discharged from the water outlet pipe 24. A bottom-in and top-out circulating cooling method is adopted, and the cooling water flow is short and circulated, which reduces the bearing temperature and extends the bearing life. When in use, part of the lubricating oil will heat up and become atomized, resulting in an increase in internal pressure. At this time, the use of the vent pipe 25 can reduce the oil atomization caused by the bearing temperature rise and the slight positive pressure in the box causing oil leakage, thereby further improving its anti-leakage performance.

[0032] See also Figures 4 to 7, one end of the top of the support bearing box cover 2 and the thrust bearing box cover 8 is connected with a liquid replenishing component 26, and the liquid replenishing component 26 includes a liquid replenishing box 2601, a fixed pipe 2602 and a lifting pipe 2603. The top of the support bearing box cover 2 and the thrust bearing box cover 8 are both provided with a liquid replenishing box 2601, and the bottom of the liquid replenishing box 2601 is connected with a fixed pipe 2602, and the lower end of the fixed pipe 2602 is slidably connected with the lifting pipe 2603. The liquid replenishing component 26 also includes an adjusting sleeve 2604, a slider 2605 and a supporting sleeve 2606. The upper outer end of the lifting pipe 2603 is threadedly connected with an adjusting sleeve 2604. The lifting tube 2603 has a plurality of adjusting sleeves 2604, and a slider 2605 is arranged on the outer side of the lower end of the lifting tube 2603, and a support sleeve 2606 is fixed inside the lower end of the lifting tube 2603. There are two adjusting sleeves 2604, and the two adjusting sleeves 2604 are rotatably connected to the support bearing box cover 2 and the thrust bearing box cover 8 respectively. The liquid replenishing component 26 also includes a sliding rod 2607, a sealing plug 2608 and a floating plate 2609. The sliding rod 2607 is slidably connected inside the support sleeve 2606, and a sealing plug 2608 is fixed to the bottom of the sliding rod 2607, and a floating plate 2609 is arranged at the bottom of the sealing plug 2608. Plate 2609, the lower end of the support bearing housing seat 1 and the thrust bearing housing seat 7 is internally connected with a debris removal component 27, the debris removal component 27 includes a driving frame 2701, a top block 2702, a pulley seat 2703 and a top rod 2704, the driving frame 2701 is arranged on the outer side of both ends of the main shaft 5, and a top block 2702 is fixed on one side of the driving frame 2701, a pulley seat 2703 is arranged on one side of the top block 2702, and a top rod 2704 is connected to one side of the pulley seat 2703, the debris removal component 27 also includes a spring 2705, a piston plate 2706 and a fixed cylinder 2707, and the top rod 27 A spring 2705 is sleeved on the outside of one end of the push rod 2704, and a piston plate 2706 is connected to the other end of the push rod 2704, and a fixed cylinder 2707 is slidably connected to the outside of the piston plate 2706. The impurity removal component 27 also includes a filter cylinder 2708, an end cover 2709 and a one-way valve 2710. The filter cylinder 2708 is arranged inside the fixed cylinder 2707, and an end cover 2709 is arranged on one side of the filter cylinder 2708. The end cover 2709 is threadedly connected to the fixed cylinder 2707, and the middle part of the end cover 2709 and the upper part of one end of the fixed cylinder 2707 are both provided with a one-way valve 2710.

[0033] The specific operation is as follows: before use, the driving frame 2701 is fixed to the main shaft 5 with bolts. At the same time, when the liquid level height after automatic liquid filling is to be controlled according to the rotation speed of the main shaft 5, it is only necessary to rotate the adjustment sleeve 2604. At this time, the slider 2605 will limit the rotation direction of the lifting tube 2603, so that the lifting tube 2603 can slide outside the fixed tube 2602 to control the bottom height of the lifting tube 2603. The liquid level after automatic liquid filling can be adjusted according to needs. Later, during use, the spring 2705 will push the pulley seat 2703 2702, so that when the main shaft 5 rotates, the top block 2702 can reciprocate and squeeze the pulley seat 2703 through the driving frame 2701, thereby driving the piston plate 2706 to slide inside the fixed cylinder 2707 through the push rod 2704, and when the piston plate 2706 moves toward the driving frame 2701, the oil inside the bearing box will enter the fixed cylinder 2707 through the one-way valve 2710 on the end cover 2709, and when the piston plate 2706 moves away from the driving frame 2701, the oil inside the fixed cylinder 2707 will flow out from the fixed cylinder 2 The one-way valve 2710 on the upper part of 707 sprays out, so that the oil in the bearing box can circulate. During the circulation process, the filter cartridge 2708 is used to filter and block the debris particles remaining in the oil to avoid aggravating the wear of the bearing due to excessive impurities in the oil. When the internal oil is atomized and the liquid level is lowered, the floating plate 2609 can drop with the liquid level, so that the sealing plug 2608 is separated from the lifting pipe 2603. At this time, the oil in the replenishing tank 2601 will pass through the fixed pipe 2602 and the lifting pipe 2 603 flows into the bearing box to automatically replenish the oil to prevent the oil level from being too low and affecting the lubrication effect on the bearing. After the replenishment is completed, the oil will drive the float plate 2609 to move upward, so that the sealing plug 2608 blocks the bottom of the lifting tube 2603, thereby preventing the oil level from being too high after the oil is added, causing the bearing to change from rolling friction to sliding friction, thereby aggravating the loss of the bearing. Later, during maintenance and cleaning, you only need to loosen the bolts on the fixing cylinder 2707, take it out, and rotate the end cover 2709 to clean the impurities inside the filter cylinder 2708.

[0034] In summary, when using this rolling oil-lubricated water-cooled bearing box device, first during assembly, use the first stop washer 11 and the first round nut 12 to install the cylindrical hole self-aligning ball bearing 10 on the main shaft 5, use the second stop washer 16 and the second round nut 17 to install the cylindrical roller bearing 13, the bearing positioning ring 14, and the four-point contact ball bearing 15 on the outside of the other end of the main shaft 5, and use bolts to fix the drive frame 2701 on the main shaft 5. Secondly, after connecting the support bearing box seat 1, the support bearing box cover 2, the thrust bearing box seat 7 and the thrust bearing box cover 8 respectively, install the side cover 3, the first side seal 4, the second side seal 6 and the third side seal 9. Therefore, during use, the cylindrical hole self-aligning ball bearing 10 and the cylindrical roller bearing 13 can be used to locate the four-point contact ball bearing 15. The combined use of the ball bearing 15 makes the device have a strong load-bearing capacity and can replace the sliding bearing box. It has a low investment cost and a simple structure, which is easy to disassemble and maintain. Then, during the rotation of the main shaft 5, the first oil retaining ring 18 in the supporting bearing box seat 1 or the thrust bearing box seat 7, the oil teeth on the main shaft 5 and the first side seal 4 or the second side seal 6 can form three leak-proof oil chambers, and the bearing positioning outer ring 19, the second oil retaining ring 20, and the third side seal 9 at the other end of the thrust bearing box seat 7 can also form three leak-proof oil chambers. Therefore, during operation, the lubricating oil cuts into the sealing chamber to form a fluid dynamic pressure effect, separate the sealing surfaces, and realize non-contact operation of the lubricating oil, which can effectively prevent the leakage of the lubricating oil. At the same time, the spring 2705 will push the pulley seat 2703 to make it close to the top block. 2702, so when the main shaft 5 rotates, the driving frame 2701 can make the top block 2702 reciprocate and squeeze the pulley seat 2703, so that the piston plate 2706 is driven to slide inside the fixed cylinder 2707 through the push rod 2704, and when the piston plate 2706 moves toward the driving frame 2701, the oil inside the bearing box will enter the fixed cylinder 2707 through the one-way valve 2710 on the end cover 2709, and when the piston plate 2706 moves away from the driving frame 2701, the oil inside the fixed cylinder 2707 will be ejected from the one-way valve 2710 on the upper part of the fixed cylinder 2707, so that the oil inside the bearing box can circulate, and the filter cylinder 2708 can be used to filter and block the debris particles remaining in the oil. Then, when in use, Cooling water will enter from the water inlet pipe 22 and pass through the connecting pipe 23, and then be discharged from the water outlet pipe 24. Part of the lubricating oil will be atomized due to the temperature rise, resulting in an increase in internal pressure. At this time, the use of the vent pipe 25 can reduce the oil atomization caused by the oil atomization caused by the bearing temperature rise to bring about a slight positive pressure in the box and cause oil leakage. When the internal oil atomization causes the liquid level to drop, the float plate 2609 can drop along with the liquid level, thereby separating the sealing plug 2608 from the lifting pipe 2603. At this time, the oil inside the replenishing tank 2601 will flow into the bearing box through the fixed pipe 2602 and the lifting pipe 2603 to automatically replenish the oil. After the replenishment is completed, the oil will drive the float plate 2609 to move upward, so that the sealing plug 2608 blocks the bottom of the lifting pipe 2603.This prevents the liquid level after the oil is added from being too high, which causes the bearing to become sliding friction due to rolling friction, thereby exacerbating the loss of the bearing. When the liquid level after automatic filling needs to be controlled according to the rotation speed of the spindle 5, it is only necessary to rotate the adjustment sleeve 2604. At this time, the slider 2605 will limit the rotation direction of the lifting tube 2603, so that the lifting tube 2603 can slide outside the fixed tube 2602 to control the bottom height of the lifting tube 2603. The liquid level after automatic filling can be adjusted according to needs. Finally, when cleaning is required, it is only necessary to loosen the bolts on the fixed tube 2707, take it out, and rotate the end cover 2709 to clean the impurities inside the filter tube 2708.

[0035] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A rolling oil lubricated water-cooled bearing box device, characterized in that: The invention comprises a support bearing box seat (1) and a cylindrical bore self-aligning ball bearing (10), wherein a support bearing box cover (2) is arranged on the top of the support bearing box seat (1), and a side cover (3) is connected to one side of the support bearing box seat (1), and a first side seal (4) is arranged on the other side of the support bearing box seat (1), the first side seal (4) is internally rotatably connected to a main shaft (5), and a second side seal (6) is sleeved on the outer side of one end of the main shaft (5), a thrust bearing box seat (7) is arranged on one side of the second side seal (6), and a thrust bearing box cover (8) is connected to the top of the thrust bearing box seat (7), and a third side seal (9) is fixed to one side of the thrust bearing box cover (8), and the cylindrical A cylindrical hole self-aligning ball bearing (10) is arranged inside the supporting bearing box seat (1), and a first stop washer (11) is arranged on one side of the cylindrical hole self-aligning ball bearing (10), and a first round nut (12) is connected to one side of the first stop washer (11), a cylindrical roller bearing (13) is arranged inside the thrust bearing box seat (7), and a bearing positioning ring (14) is connected to one side of the cylindrical roller bearing (13), a four-point contact ball bearing (15) is connected to one side of the bearing positioning ring (14), and a second stop washer (16) is arranged on one side of the four-point contact ball bearing (15), and a second round nut (17) is connected to one side of the second stop washer (16).

2. A rolling oil lubricated water-cooled bearing box device according to claim 1, characterized in that: A first oil retaining ring (18) is arranged at one end of the inner part of the support bearing box cover (2) and the thrust bearing box cover (8), and a bearing positioning outer ring (19) is fixed at the other end of the inner part of the thrust bearing box cover (8). A second oil retaining ring (20) is arranged on the outer side of the end of the main shaft (5), and a temperature measuring element (21) is arranged at the center of the top of the support bearing box cover (2) and the thrust bearing box cover (8).

3. The rolling oil lubricated water-cooled bearing box device according to claim 1, characterized in that: One side of the support bearing box seat (1) and the thrust bearing box seat (7) is connected to a water inlet pipe (22), and the other side of the support bearing box seat (1) and the thrust bearing box seat (7) is fixed with a connecting pipe (23), one side of the support bearing box cover (2) and the thrust bearing box cover (8) is provided with a water outlet pipe (24), and the tops of the support bearing box cover (2) and the thrust bearing box cover (8) are both connected to an air vent pipe (25).

4. A rolling oil lubricated water-cooled bearing box device according to claim 1, characterized in that: A fluid replenishment assembly (26) is connected to one end of the top of the support bearing box cover (2) and the thrust bearing box cover (8), and the fluid replenishment assembly (26) comprises a fluid replenishment tank (2601), a fixed pipe (2602) and a lifting pipe (2603). A fluid replenishment tank (2601) is arranged on the top of each of the support bearing box cover (2) and the thrust bearing box cover (8), and the bottom of the fluid replenishment tank (2601) is connected to the fixed pipe (2602), and the lifting pipe (2603) is slidably connected to the outer side of the lower end of the fixed pipe (2602).

5. A rolling oil lubricated water-cooled bearing box device according to claim 4, characterized in that: The fluid infusion assembly (26) further comprises an adjusting sleeve (2604), a slider (2605) and a supporting sleeve (2606); the upper outer end of the lifting tube (2603) is threadedly connected with the adjusting sleeve (2604), the lower end of the lifting tube (2603) is provided with a slider (2605) on the outer side, and the lower end of the lifting tube (2603) is internally fixed with a supporting sleeve (2606).

6. A rolling oil lubricated water-cooled bearing box device according to claim 5, characterized in that: The number of the adjustment sleeves (2604) is two, and the two adjustment sleeves (2604) are rotatably connected to the support bearing box cover (2) and the thrust bearing box cover (8) respectively.

7. A rolling oil lubricated water-cooled bearing box device according to claim 5, characterized in that: The fluid infusion component (26) also includes a sliding rod (2607), a sealing plug (2608) and a floating plate (2609); the interior of the support sleeve (2606) is slidably connected to the sliding rod (2607), the bottom of the sliding rod (2607) is fixed with a sealing plug (2608), and the bottom of the sealing plug (2608) is provided with a floating plate (2609).

8. The rolling oil lubricated water-cooled bearing box device according to claim 1, characterized in that: The lower ends of the support bearing housing seat (1) and the thrust bearing housing seat (7) are internally connected with a debris removal component (27), and the debris removal component (27) comprises a driving frame (2701), a top block (2702), a pulley seat (2703) and a top rod (2704). The driving frame (2701) is arranged on the outer sides of both ends of the main shaft (5), and a top block (2702) is fixed on one side of the driving frame (2701), a pulley seat (2703) is arranged on one side of the top block (2702), and a top rod (2704) is connected to one side of the pulley seat (2703).

9. A rolling oil lubricated water-cooled bearing box device according to claim 8, characterized in that: The impurity removal component (27) further comprises a spring (2705), a piston plate (2706) and a fixed cylinder (2707); the spring (2705) is sleeved on the outer side of one end of the push rod (2704), and the other end of the push rod (2704) is connected to the piston plate (2706), and the outer side of the piston plate (2706) is slidably connected to the fixed cylinder (2707).

10. A rolling oil lubricated water-cooled bearing box device according to claim 9, characterized in that: The impurity removal component (27) further comprises a filter cartridge (2708), an end cover (2709) and a one-way valve (2710); the filter cartridge (2708) is arranged inside the fixed cartridge (2707), and an end cover (2709) is arranged on one side of the filter cartridge (2708); the end cover (2709) is threadedly connected to the fixed cartridge (2707), and the one-way valve (2710) is arranged at the middle of the end cover (2709) and at the upper part of one end of the fixed cartridge (2707).

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