Device for cooling bearing through gas
The gas-cooled bearing device utilizes a system consisting of an air supply pipe, ball valve, pressure regulating valve, precision oil-water separator, and vortex tube to cool the bearing, solving the problem of ineffective cooling by grease and improving the service life of the bearing and the stability of transmission components.
Patent Information
- Application Number
- CN202520217669.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Grease has no cooling effect when lubricating bearings. It generates a lot of heat at high speeds, which can easily burn out the bearings, shorten their service life, and reduce the stability of the transmission structure.
A gas-cooled bearing device is adopted. The system consists of an air supply pipe, a ball valve, a pressure regulating valve, a precision oil-water separator, a flow meter, and a vortex tube. The filtered and cooled compressed air is directly introduced into the bearing housing assembly and cooled through the gap between the bearing balls, thus preventing thin oil leakage.
This achieves efficient cooling of the bearings, ensures stable high-speed operation, reduces maintenance costs, and improves the stability of transmission components.
Smart Images
Figure CN223708334U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bearing cooling technical field especially relates to a device of gas cooling bearing. BACKGROUND
[0002] The basic principle of mechanical transmission is to convert the rotary motion or linear motion generated by the power source into another form of motion by using mechanical devices to meet the requirements of the working device in speed, torque and direction. In the transmission process, the power is transmitted through various components in the transmission device. These components realize the effective conversion of power through friction, meshing and other mechanical actions.
[0003] In the related industries of mechanical transmission, the lubrication of bearings in transmission components is usually grease lubrication. The structure of grease lubrication is simple and not easy to cause leakage. However, the lubricating grease has no cooling effect when lubricating the bearing. At high speed, the heat is more serious, which can easily burn the bearing and shorten the service life of the bearing, and reduce the working stability of the transmission structure. UTILITY MODEL CONTENT
[0004] The utility model provides a device of gas cooling bearing, it aims at solving the problem that the lubricating grease has no cooling effect when lubricating the bearing. At high speed, the heat is more serious, which can easily burn the bearing and shorten the service life of the bearing.
[0005] The utility model is realized in this way, a device of gas cooling bearing, including the gas supply pipe of compressed air, ball valve, pressure regulating valve, precision oil water separator, flowmeter, vortex tube and bearing seat assembly, the other end of gas supply pipe with the gas inlet end of ball valve intercommunication, the gas outlet end of ball valve with the gas inlet end of pressure regulating valve intercommunication, the gas outlet end of pressure regulating valve with the gas inlet end of precision oil water separator intercommunication;
[0006] The gas outlet end of precision oil water separator with the gas inlet end of flowmeter intercommunication, the gas outlet end of flowmeter with the vortex tube gas inlet end intercommunication, the cold end of vortex tube exhaust cold gas with the inner chamber of bearing seat assembly intercommunication.
[0007] Preferably, the ball valve and the pressure regulating valve are connected by the fifth gas pipe, the pressure regulating valve and the precision oil water separator are connected by the fourth gas pipe, the precision oil water separator and the flowmeter are connected by the third gas pipe, the flowmeter and the vortex tube are connected by the second gas pipe, and the vortex tube and the bearing seat assembly are connected by the first gas pipe.
[0008] Preferably, the bearing seat assembly comprises a bearing seat, a main shaft, two bearing bodies and two end covers, the two end covers are respectively arranged at the two ends of the bearing seat, the main shaft is rotatably arranged in the inner cavity of the bearing seat and extends to the outside of the bearing seat assembly at both ends, the two bearing bodies are respectively arranged at the two ends of the inner cavity of the bearing seat and are located between the outer surface of the main shaft and the inner wall surface of the bearing seat, the cold end of the vortex tube is communicated with the inner cavity of the bearing seat assembly, and exhaust holes are arranged at the two ends of the top of the bearing seat.
[0009] Preferably, the inside of the exhaust hole is fixedly connected with a dust screen.
[0010] Preferably, the end cover is provided with a sealing piece matched with the main shaft.
[0011] Beneficial effects
[0012] Compared with the prior art, the beneficial effects of the device are as follows: the compressed air of the factory is connected to the ball valve, the ball valve adjusts the required air volume and is opened and closed, the ball valve is connected with the pressure regulating valve, the pressure regulating valve adjusts the pressure of the required gas, the pressure regulating valve is connected with the precision oil-water separator, the precision oil-water separator is connected with the flow meter, the flow meter can timely feedback the flow information of the gas, the flow meter is connected with the inlet of the vortex tube, the cold end outlet of the flow meter is connected with the bearing seat assembly, so that the filtered and cooled compressed air enters the cavity of the bearing seat assembly and cools the bearing by passing through the gap between the bearing body balls, there is no risk of oil leakage and pollution, the maintenance cost is reduced, the cooling bearing ensures the stable operation of the bearing at high speed, and the stability during use of the transmission part is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front structure schematic view of the utility model;
[0014] Figure 2 It is a front structure schematic view of the utility model Figure 1 It is a front structure schematic view of the utility model
[0015] In the figure: 1, bearing seat assembly; 2, first air pipe; 3, vortex tube; 4, second air pipe; 5, flow meter; 6, third air pipe; 7, precision oil-water separator; 8, fourth air pipe; 9, pressure regulating valve; 10, fifth air pipe; 11, ball valve; 12, gas supply pipe; 13, main shaft; 14, bearing seat; 15, bearing body; 16, end cover; 17, sealing piece; 18, exhaust hole; 19, dust screen. DETAILED DESCRIPTION
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0017] Please see Figure 1 and Figure 2 This utility model provides a technical solution: a gas-cooled bearing device, including an air supply pipe 12 for supplying compressed air, a ball valve 11, a pressure regulating valve 9, a precision oil-water separator 7, a flow meter 5, a vortex tube 3, and a bearing housing assembly 1. The other end of the air supply pipe 12 is connected to the air inlet end of the ball valve 11, the air outlet end of the ball valve 11 is connected to the air inlet end of the pressure regulating valve 9, and the air outlet end of the pressure regulating valve 9 is connected to the air inlet end of the precision oil-water separator 7.
[0018] The outlet of the precision oil-water separator 7 is connected to the inlet of the flow meter 5, the outlet of the flow meter 5 is connected to the inlet of the vortex tube 3, and the cold end of the vortex tube 3 that discharges cold air is connected to the inner cavity of the bearing housing assembly 1.
[0019] The factory's compressed air is connected to ball valve 11. Ball valve 11 adjusts the required air volume and opens and closes. Ball valve 11 is connected to pressure regulating valve 9. Pressure regulating valve 9 adjusts the required gas pressure. Pressure regulating valve 9 is connected to precision oil-water separator 7. Precision oil-water separator 7 is connected to flow meter 5. Flow meter 5 can provide timely feedback on gas flow information. Flow meter 5 is connected to the inlet of vortex tube 3.
[0020] Furthermore, the ball valve 11 is connected to the pressure regulating valve 9 via the fifth air pipe 10, the pressure regulating valve 9 is connected to the precision oil-water separator 7 via the fourth air pipe 8, the precision oil-water separator 7 is connected to the flow meter 5 via the third air pipe 6, the flow meter 5 is connected to the vortex tube 3 via the second air pipe 4, and the vortex tube 3 is connected to the bearing housing assembly 1 via the first air pipe 2.
[0021] Furthermore, the bearing housing assembly 1 includes a bearing housing 14, a main shaft 13, two bearing bodies 15 and two end caps 16. The two end caps 16 are respectively detachably disposed at both ends of the bearing housing 14. The main shaft 13 is rotatably disposed in the inner cavity of the bearing housing 14, and both ends extend to the outside of the bearing housing assembly 1.
[0022] Two bearing bodies 15 are respectively disposed at both ends of the inner cavity of the bearing housing 14 and are located between the outer surface of the main shaft 13 and the inner wall surface of the bearing housing 14. The cold end of the vortex tube 3 is connected to the inner cavity of the bearing housing assembly 1. Both ends of the top of the bearing housing 14 are provided with exhaust holes 18.
[0023] In this embodiment, the gas entering the vortex tube 3 is divided into two parts and discharged from two outlets respectively. One outlet is the hot end for discharging hot gas, and the other outlet is the cold end for discharging cold gas. The cold end outlet of the flow meter 5 is connected to the bearing housing assembly 1, so that the filtered and cooled compressed air enters the cavity of the bearing housing assembly 1, passes through the gap between the balls of the bearing body 15 to cool the bearing body 15, and is discharged through the exhaust port 18. Whether the discharged gas can be reused can be determined according to the on-site working conditions.
[0024] There is no risk of pollution from thin oil leakage, reducing maintenance costs. Cooling the bearings ensures stable high-speed operation and improves the stability of transmission components during use.
[0025] Furthermore, a dustproof mesh 19 is fixedly connected inside the exhaust port 18, and a seal 17 adapted to the spindle 13 is provided on the end cover 16.
[0026] In this embodiment, the dustproof net 19 can prevent dust and impurities from entering the inner cavity of the bearing housing 14, thereby improving the stability of the spindle 13 during transmission.
[0027] The working principle and usage process of this utility model are as follows: After the utility model is installed, the factory's compressed air is connected to ball valve 11. Ball valve 11 adjusts the required air volume and opens and closes. Ball valve 11 is connected to pressure regulating valve 9, which adjusts the required gas pressure. Pressure regulating valve 9 is connected to precision oil-water separator 7, which is connected to flow meter 5. Flow meter 5 can provide timely feedback on gas flow information. Flow meter 5 is connected to the inlet of vortex tube 3. The gas entering vortex tube 3 will be divided into two parts and discharged from two outlets. One outlet is the hot end for discharging hot gas, and the other outlet is the cold end for discharging cold gas. The cold end outlet of flow meter 5 is connected to bearing housing assembly 1, so that the filtered and cooled compressed air enters the cavity of bearing housing assembly 1, passes through the gap between the balls of bearing body 15 to cool bearing body 15, and is then discharged through exhaust port 18. Whether the discharged gas can be reused can be determined according to the on-site working conditions.
[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements 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 device for gas-cooled bearings, comprising an air supply pipe (12) for supplying compressed air, a ball valve (11), a pressure regulating valve (9), a precision oil-water separator (7), a flow meter (5), a vortex tube (3), and a bearing housing assembly (1), characterized in that: The other end of the air supply pipe (12) is connected to the air inlet of the ball valve (11), the air outlet of the ball valve (11) is connected to the air inlet of the pressure regulating valve (9), and the air outlet of the pressure regulating valve (9) is connected to the air inlet of the precision oil-water separator (7). The outlet of the precision oil-water separator (7) is connected to the inlet of the flow meter (5), the outlet of the flow meter (5) is connected to the inlet of the vortex tube (3), and the cold end of the vortex tube (3) that discharges cold air is connected to the inner cavity of the bearing housing assembly (1).
2. The apparatus for gas-cooled bearings as described in claim 1, characterized in that: The ball valve (11) is connected to the pressure regulating valve (9) through a fifth air pipe (10), the pressure regulating valve (9) is connected to the precision oil-water separator (7) through a fourth air pipe (8), the precision oil-water separator (7) is connected to the flow meter (5) through a third air pipe (6), the flow meter (5) is connected to the vortex tube (3) through a second air pipe (4), and the vortex tube (3) is connected to the bearing housing assembly (1) through a first air pipe (2).
3. The apparatus for gas-cooled bearings as described in claim 1, characterized in that: The bearing housing assembly (1) includes a bearing housing (14), a main shaft (13), two bearing bodies (15) and two end caps (16). The two end caps (16) are respectively detachably disposed at both ends of the bearing housing (14). The main shaft (13) is rotatably disposed in the inner cavity of the bearing housing (14) and both ends extend to the outside of the bearing housing assembly (1). The two bearing bodies (15) are respectively disposed at both ends of the inner cavity of the bearing housing (14) and are located between the outer surface of the main shaft (13) and the inner wall surface of the bearing housing (14). The cold end of the vortex tube (3) is connected to the inner cavity of the bearing housing assembly (1). Both ends of the top of the bearing housing (14) are provided with exhaust holes (18).
4. The apparatus for gas-cooled bearings as described in claim 3, characterized in that: A dustproof net (19) is fixedly connected inside the exhaust port (18).
5. The apparatus for gas-cooled bearings as described in claim 3, characterized in that: The end cap (16) is provided with a seal (17) adapted to the main shaft (13).