Ultrahigh-speed oil mist lubrication bearing

Abstract

The utility model relates to the technical field of bearings, and discloses an ultra-high-speed oil mist lubrication bearing which comprises an outer ring, an inner ring structure is arranged on the inner side of the outer ring, an upper sliding groove is formed in the center of the inner side wall of the outer ring, an oil groove is formed in the upper inner side wall of the upper sliding groove, and a plurality of balls are arranged between the outer ring and the inner ring structure. The inner ring structure comprises an inner ring, an inner groove is formed in the center of the outer side wall of the inner ring, a plurality of oil holes are formed in the positions, close to the edges, of the centers of the two side walls of the inner ring, and the inner groove is formed in the center of the outer side wall of the inner ring. And a self-lubricating layer is arranged on the lower inner wall of the inner groove. According to the self-lubricating ball bearing, the two side walls of the inner ring are respectively provided with the plurality of oil holes, and the oil holes are matched with the self-lubricating layers in the inner grooves, so that the balls can be continuously lubricated in the rolling process.

Description

Technical Field

[0001] This utility model relates to the field of bearing technology, and in particular to an ultra-high speed oil mist lubricated bearing. Background Technology

[0002] With the rapid development of modern industrial technology, many high-end equipment such as aero engines, gas turbines, high-speed trains, wind turbine generators, and precision machine tools have put forward increasingly higher requirements for the speed and reliability of rotating machinery. As a key core component in these equipment, the performance of ultra-high speed bearings directly affects the operating efficiency and reliability of the entire system. High-speed bearings require high rigidity and are usually used in applications that require high precision and high-speed rotation.

[0003] However, existing ultra-high speed bearings still have some shortcomings and areas for improvement in practical use. High-speed bearings require certain lubrication and good heat dissipation capabilities to meet the requirements of high-speed bearing use. Therefore, those skilled in the art provide an ultra-high speed oil mist lubricated bearing to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an ultra-high-speed oil mist lubricated bearing. Multiple oil holes are provided on both sides of the inner ring, which, in conjunction with the self-lubricating layer inside the inner groove, continuously lubricate the balls during rolling. Furthermore, multiple oil grooves are provided on the upper inner side wall of the upper slide groove. These arc-shaped oil grooves can be used to temporarily and in small quantities store lubricating oil for use by the balls during rolling, providing both good heat dissipation and lubrication.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an ultra-high speed oil mist lubricated bearing, including an outer ring, an inner ring structure provided on the inner side of the outer ring, an upper sliding groove provided at the center of the inner sidewall of the outer ring, an oil groove provided on the upper inner sidewall of the upper sliding groove, a plurality of balls provided between the outer ring and the inner ring structure, a retainer provided on both sides of the plurality of balls, and two retainers connected by a plurality of connecting rods.

[0006] The inner ring structure includes an inner ring, an inner groove is provided at the center of the outer side wall of the inner ring, a plurality of oil holes are provided at the center of the two side walls of the inner ring near the edge, and a self-lubricating layer is provided on the lower inner wall of the inner groove.

[0007] Through the above technical solution, multiple oil holes are provided on both sides of the inner ring. By cooperating with the self-lubricating layer inside the inner groove, the balls can be continuously lubricated during the rolling process. Multiple oil grooves are provided on the upper inner side wall of the upper slide groove. Multiple arc-shaped oil grooves can be used to store a small amount of lubricating oil for the balls to use during the rolling process. This provides good heat dissipation and lubrication at the same time.

[0008] Furthermore, protective rings are respectively provided on the two side walls between the outer ring and the inner ring structure, and the material of the protective rings is Teflon;

[0009] The above technical solution has an extremely low coefficient of friction, making it suitable for applications in high-temperature environments, while also possessing high corrosion resistance.

[0010] Furthermore, the material of the self-lubricating layer is molybdenum disulfide;

[0011] The above technical solutions can provide continuous lubrication and reduce friction.

[0012] Furthermore, the oil grooves are all arc-shaped;

[0013] The above technical solution can better lubricate the balls during the rolling process.

[0014] Furthermore, the number of the balls is even.

[0015] The above technical solutions are easier to manufacture and can provide a uniform load distribution.

[0016] Furthermore, the cage is made of copper-plated steel;

[0017] The above technical solution can withstand high loads and high-speed operation, and the surface is plated with a layer of copper to improve corrosion resistance.

[0018] Furthermore, both the upper groove and the inner groove are parabolic in shape;

[0019] The above technical solutions reduce contact stress and vibration.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, multiple oil holes are provided on both sides of the inner ring, which, in conjunction with the self-lubricating layer inside the inner groove, can continuously provide lubrication for the balls during rolling.

[0022] 2. In this utility model, multiple oil grooves are provided on the upper inner sidewall of the upper slide groove. These multiple arc-shaped oil grooves can be used to store lubricating oil for a short time and in small amounts for use by the ball during rolling. This provides good heat dissipation and lubrication. Attached Figure Description

[0023] Figure 1 A bearing diagram of an ultra-high-speed oil mist lubricated bearing proposed in this utility model;

[0024] Figure 2 This is an isometric view of an ultra-high-speed oil mist lubricated bearing after the protective ring has been removed, as proposed in this utility model.

[0025] Figure 3 This is a side sectional view of an ultra-high-speed oil mist lubricated bearing proposed in this utility model;

[0026] Figure 4 An isometric view of the protective ring in an ultra-high-speed oil mist lubricated bearing proposed in this utility model;

[0027] Figure 5 for Figure 3 Enlarged diagram of point A in the middle.

[0028] Legend:

[0029] 1. Outer ring; 2. Protective ring; 3. Inner ring structure; 301. Oil hole; 302. Inner ring; 303. Inner groove; 304. Self-lubricating layer; 4. Cage; 5. Ball bearing; 6. Connecting rod; 7. Upper slide groove; 8. Oil groove. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1-5 An embodiment of this utility model is provided: an ultra-high speed oil mist lubricated bearing, including an outer ring 1, an inner ring structure 3 is provided on the inner side of the outer ring 1, an upper sliding groove 7 is provided at the center of the inner side wall of the outer ring 1, an oil groove 8 is provided on the upper inner side wall of the upper sliding groove 7, a plurality of balls 5 are provided between the outer ring 1 and the inner ring structure 3, and a retainer 4 is provided on both sides of the plurality of balls 5, and the two retainers 4 are connected by a plurality of connecting rods 6 respectively.

[0032] The inner ring structure 3 includes an inner ring 302. An inner groove 303 is provided at the center of the outer side wall of the inner ring 302. Multiple oil holes 301 are provided at the center of the two side walls of the inner ring 302 near the edge. A self-lubricating layer 304 is provided on the lower inner wall of the inner groove 303.

[0033] Protective rings 2 are respectively provided on the two side walls between the outer ring 1 and the inner ring structure 3. The protective rings 2 are made of Teflon, which has an extremely low coefficient of friction and is suitable for applications in high-temperature environments. They also have high corrosion resistance. The self-lubricating layer 304 is made of molybdenum disulfide, which can provide continuous lubrication and reduce friction. The oil grooves 8 are all arc-shaped, which can better lubricate the rolling balls 5 during the rolling process. The number of rolling balls 5 is even, which is easier to manufacture and can provide a uniform load distribution. The cage 4 is made of copper-plated steel, which can withstand high loads and high-speed operation. It is also plated with a layer of copper to improve corrosion resistance. The upper slide groove 7 and the inner groove 303 are both parabolic in shape to reduce contact stress and vibration.

[0034] Working principle: This utility model is an ultra-high speed oil mist lubricated bearing. Multiple oil holes 301 are provided on both sides of the inner ring 302. Through cooperation with the self-lubricating layer 304 inside the inner groove 303, the ball 5 can be continuously lubricated during the rolling process. Multiple oil grooves 8 are provided on the upper inner side wall of the upper sliding groove 7. The multiple arc-shaped oil grooves 8 can be used to store a small amount of lubricating oil for the ball 5 to use during the rolling process. It can provide good heat dissipation and lubrication at the same time.

[0035] 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 high-speed oil mist lubricated bearing, comprising an outer ring (1), characterized in that: The outer ring (1) has an inner ring structure (3) on its inner side. The center of the inner wall of the outer ring (1) has an upper sliding groove (7). The upper inner wall of the upper sliding groove (7) has an oil groove (8). Multiple balls (5) are provided between the outer ring (1) and the inner ring structure (3). Each of the multiple balls (5) has a retainer (4) on its two sides. The two retainers (4) are connected by multiple connecting rods (6). The inner ring structure (3) includes an inner ring (302), an inner groove (303) is provided at the center of the outer side wall of the inner ring (302), a plurality of oil holes (301) are provided at the center of the two side walls of the inner ring (302) near the edge, and a self-lubricating layer (304) is provided on the lower inner wall of the inner groove (303).

2. The ultra-high-speed oil mist lubricated bearing according to claim 1, characterized in that: Protective rings (2) are respectively provided on the two side walls between the outer ring (1) and the inner ring structure (3), and the material of the protective rings (2) is Teflon.

3. The ultra-high-speed oil mist lubricated bearing according to claim 1, characterized in that: The self-lubricating layer (304) is made of molybdenum disulfide.

4. The ultra-high-speed oil mist lubricated bearing according to claim 1, characterized in that: The oil troughs (8) are all arc-shaped.

5. The ultra-high-speed oil mist lubricated bearing according to claim 1, characterized in that: The number of the balls (5) is even.

6. The ultra-high-speed oil mist lubricated bearing according to claim 1, characterized in that: The cage (4) is made of copper-plated steel.

7. The ultra-high-speed oil mist lubricated bearing according to claim 1, characterized in that: The upper groove (7) and the inner groove (303) are both parabolic in shape.

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