Wear-resistant and high-temperature-resistant assembled bearing

Abstract

The utility model discloses a wear-resistant and high-temperature-resistant assembled bearing, and relates to the technical field of bearing design. According to the wear-resistant and high-temperature-resistant assembly type bearing, the heat dissipation fins, the cavities, the ceramic balls and the steel balls are arranged, the steel balls are connected with the ceramic balls, heat of different degrees can be effectively isolated, and therefore the temperature of the bearing inner ring is reduced, the heat is dissipated out, the heat dissipation fins are evenly distributed in the bearing outer ring, and the heat dissipation efficiency is improved. By arranging the heat dissipation fins on the inner side of the bearing outer ring, heat on the inner side of the bearing outer ring can be dissipated to the outside of the bearing outer ring through the heat dissipation fins, heat dissipation is conducted from the inner part and the outer part, the problems that internal heat is gathered fast, temperature rise is fast, and heat cannot be diffused fast can be solved, and the high temperature resistance is better; and the balls can rub with the lubricating oil blocks in the rolling process, the balls can be lubricated under the condition that extra oil injection is not needed, and use is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing design, in particular to a wear-resistant and high-temperature resistant assembled bearing. Background Art

[0002] At present, the market demand for assembled bearings is increasing. Fixing and installing bearings by assembly is convenient, but since bearings will generate a lot of friction during use, the surface of the bearings will be damaged over time.

[0003] For example, the utility model with patent number CN202020436722.2 discloses a wear-resistant and high-temperature resistant oven bearing, including a bearing base, an adapter ring, a bearing body and a clamping ring. The top of the bearing base is provided with an adapter ring, the top of the adapter ring is provided with a bearing body, the center of the bearing body is provided with a clamping ring, the outer end of the clamping ring is provided with a sealing ring, the bottom end of the sealing ring is provided with a heat insulation layer, the outer end of the sealing ring is provided with a fixing ring, and the right side of the fixing ring is provided with an oil filling hole. The utility model separates the bearing body from the bearing base, and uses the motor shaft to drive the bearing body to rotate on the bearing base, which is convenient for the bearing body to rotate on the bearing base by itself. A clamping ring and a bayonet are provided on the inner ring of the bearing, which is convenient for the bearing body to be connected to the grill or baking tray inside the oven, and convenient for the bearing body to drive the grill to flip under the action of the motor shaft, thereby accelerating the heat dissipation speed, reducing the heat conduction in the bearing, improving the wear resistance and high temperature resistance of the bearing, and extending the service life of the bearing.

[0004] The bearing in this patent cannot disperse the internal heat, resulting in rapid internal heat accumulation and rapid temperature rise. The heat cannot be diffused quickly and the high temperature resistance is not very good. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a wear-resistant and high-temperature resistant assembled bearing, which solves the problem of being unable to disperse internal heat.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a wear-resistant and high-temperature resistant assembled bearing, comprising a bearing outer ring, a fixing ring is fixedly installed on the inner side of the bearing outer ring, a retaining frame is arranged on the inner side of the fixing ring, and evenly distributed balls are arranged on the surface of the retaining frame, the balls are attached to the inner side of the bearing outer ring, a bearing inner ring is fixedly installed on the inner side of the retaining frame, a wear-resistant pad is arranged on the inner side of the bearing inner ring, a cavity is arranged on the inner side of the bearing inner ring, evenly distributed ceramic balls are arranged on the inner side of the cavity, steel balls are arranged on the outer side of the ceramic balls, the steel balls and the ceramic balls are staggered and distributed with each other, an upper fixing ring is arranged on the upper side of the balls, a lower fixing ring is arranged on the lower side of the balls, evenly distributed grooves are opened on the inner sides of the upper fixing ring and the lower fixing ring, lubricating oil blocks are arranged on the inner side of the grooves, and heat dissipation fins are fixedly installed on the outer side of the bearing outer ring.

[0007] Preferably, two groups of the upper fixing rings and two groups of the lower fixing rings are respectively provided, and the upper fixing rings and the lower fixing rings are symmetrically distributed on the left and right.

[0008] Preferably, connecting pieces are detachably mounted on the upper sides of the upper fixing ring and the lower fixing ring, and clamping blocks are fixedly connected to the outer sides of the upper fixing ring and the lower fixing ring.

[0009] Preferably, the heat dissipation fins extend outwardly to be flush with the outer surface of the bearing outer ring, and the heat dissipation fins are evenly distributed on the bearing outer ring.

[0010] Preferably, the positions of the groove and the ball correspond to each other, and the ball fits inside the groove.

[0011] Preferably, a slot is provided on the surface of the cavity, and the slot extends inwardly to the surface of the wear-resistant pad.

[0012] Preferably, pins are fixedly installed on the inner sides of the upper fixing ring and the lower fixing ring, and circular holes corresponding to the pins are opened on the surface of the inner ring of the bearing. Beneficial Effects

[0013] The utility model provides a wear-resistant and high-temperature resistant assembled bearing. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The wear-resistant and high-temperature resistant assembled bearing is provided with heat dissipation fins, cavities, ceramic balls and steel balls. The steel balls are connected to the ceramic balls, which can effectively block different degrees of heat, thereby reducing the temperature of the inner ring of the bearing and dissipating the heat. The heat dissipation fins are evenly distributed in the outer ring of the bearing, so that the heat on the inner side of the outer ring of the bearing can be dissipated to the outside of the outer ring of the bearing through the heat dissipation fins. The heat is dissipated from both the inside and the outside, which can avoid the problems of rapid internal heat accumulation, rapid temperature rise, and heat failure to quickly diffuse out, and has better high temperature resistance.

[0015] 2. The wear-resistant and high-temperature resistant assembled bearing is provided with an upper fixing ring, a lower fixing ring, a groove and a lubricating oil block, so that the ball can rub against the lubricating oil block during the rolling process, and the ball can be lubricated without additional oiling, which is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the retainer in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the inner ring of the bearing in the utility model.

[0020] In the figure: 1. outer ring of bearing; 2. fixing ring; 3. retaining frame; 4. ball; 5. inner ring of bearing; 6. cavity; 7. wear-resistant pad; 8. ceramic ball; 9. steel ball; 10. upper fixing ring; 11. lower fixing ring; 12. connecting piece; 13. block; 14. groove; 15. lubricating oil block; 16. cooling fin; 17. slot; 18. pin; 19. round hole. Implementation

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a wear-resistant and high-temperature resistant assembled bearing, comprising a bearing outer ring 1, a fixed ring 2 is fixedly installed on the inner side of the bearing outer ring 1, a retaining frame 3 is arranged on the inner side of the fixed ring 2, and evenly distributed balls 4 are arranged on the surface of the retaining frame 3. The position of the balls 4 can be fixed by the retaining frame 3 to prevent the balls 4 from falling out, and the balls 4 are attached to the inner side of the bearing outer ring 1, a bearing inner ring 5 is fixedly installed on the inner side of the retaining frame 3, a wear-resistant pad 7 is arranged on the inner side of the bearing inner ring 5, a cavity 6 is arranged on the inner side of the bearing inner ring 5, and evenly distributed ceramic balls 8 are arranged on the inner side of the cavity 6. The ceramic balls 8 Steel balls 9 are arranged on the outside, and the steel balls 9 and ceramic balls 8 are distributed in an interlaced manner. The steel balls 9 are connected to the ceramic balls 8, which can effectively block different degrees of heat, thereby reducing the temperature of the bearing inner ring 5 and dissipating the heat. An upper fixing ring 10 is arranged on the upper side of the ball 4, and a lower fixing ring 11 is arranged on the lower side of the ball 4. Evenly distributed grooves 14 are opened on the inner sides of the upper fixing ring 10 and the lower fixing ring 11, and a lubricating oil block 15 is arranged on the inner side of the groove 14. A heat dissipation fin 16 is fixedly installed on the outer side of the bearing outer ring 1, and the heat dissipation fin 16 can dissipate the heat on the inner side of the bearing outer ring 1 to the outside of the bearing outer ring 1.

[0023] The upper fixing ring 10 and the lower fixing ring 11 are respectively provided with two groups, and the upper fixing ring 10 and the lower fixing ring 11 are symmetrically distributed on the left and right. The upper fixing ring 10 and the lower fixing ring 11 are detachably installed with a connecting piece 12 on the upper side, and the upper fixing ring 10 and the lower fixing ring 11 are fixedly connected with a clamping block 13 on the outer side. Through the setting of the clamping block 13, the upper fixing ring 10 and the lower fixing ring 11 can be fixed on the fixing ring 2 to prevent them from being offset. The heat dissipation fins 16 extend outwardly to be flush with the outer surface of the bearing outer ring 1. The heat dissipation fins 16 are evenly distributed on the bearing outer ring 1. The positions of the grooves 14 and the balls 4 correspond to each other. The balls 4 fit on the inner side of the grooves 14. A clamping groove 17 is provided on the surface of the cavity 6, and the clamping groove 17 extends inwardly to the surface of the wear-resistant pad 7. Pins 18 are fixedly installed on the inner sides of the upper fixing ring 10 and the lower fixing ring 11, and a circular hole 19 corresponding to the pin 18 is provided on the surface of the bearing inner ring 5.

[0024] During operation, the bearing outer ring 1 is first fixed to the outside of the retaining frame 3, and then the upper fixing ring 10 and the lower fixing ring 11 are respectively fixed to the upper and lower sides of the ball 4, so that the upper fixing ring 10 and the lower fixing ring 11 can be firmly fixed on the bearing inner ring 5. By arranging the heat dissipation fins 16, the cavity 6, the ceramic ball 8 and the steel ball 9, the steel ball 9 is connected to the ceramic ball 8, and different degrees of heat can be effectively blocked, thereby reducing the temperature of the bearing inner ring 5 and dissipating the heat. The heat dissipation fins 16 are evenly distributed in the bearing outer ring 1, so that the heat on the inner side of the bearing outer ring 1 can be dissipated to the outside of the bearing outer ring 1 through the heat dissipation fins 16, and the heat is dissipated from the inner and outer parts, which can avoid the problems of rapid internal heat accumulation, rapid temperature rise, and heat failure to quickly diffuse out, and the high temperature resistance is better. By arranging the upper fixing ring 10, the lower fixing ring 11, the groove 14 and the lubricating oil block 15, the ball 4 can rub against the lubricating oil block 15 during the rolling process, and the ball 4 can be lubricated without additional oiling, which is very convenient to use.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A wear-resistant and high-temperature resistant assembled bearing, comprising a bearing outer ring (1), characterized in that: A fixing ring (2) is fixedly mounted on the inner side of the bearing outer ring (1), a retaining frame (3) is arranged on the inner side of the retaining ring (2), and evenly distributed balls (4) are arranged on the surface of the retaining frame (3), and the balls (4) are attached to the inner side of the bearing outer ring (1), a bearing inner ring (5) is fixedly mounted on the inner side of the retaining frame (3), and a wear-resistant pad (7) is arranged on the inner side of the bearing inner ring (5), and a cavity (6) is arranged on the inner side of the bearing inner ring (5), and evenly distributed ceramic balls are arranged on the inner side of the cavity (6). (8), a steel ball (9) is arranged outside the ceramic ball (8), the steel ball (9) and the ceramic ball (8) are arranged in a staggered manner, an upper fixing ring (10) is arranged on the upper side of the ball (4), and a lower fixing ring (11) is arranged on the lower side of the ball (4), and evenly distributed grooves (14) are formed inside the upper fixing ring (10) and the lower fixing ring (11), and lubricating oil blocks (15) are arranged inside the grooves (14), and heat dissipation fins (16) are fixedly installed on the outer side of the bearing outer ring (1).

2. The wear-resistant and high-temperature resistant assembled bearing according to claim 1, characterized in that: Two groups of the upper fixing rings (10) and the lower fixing rings (11) are respectively provided, and the upper fixing rings (10) and the lower fixing rings (11) are distributed in a bilaterally symmetrical manner.

3. The wear-resistant and high-temperature resistant assembled bearing according to claim 1, characterized in that: A connecting piece (12) is detachably mounted on the upper side of the upper fixing ring (10) and the lower fixing ring (11), and a clamping block (13) is fixedly connected to the outer side of the upper fixing ring (10) and the lower fixing ring (11).

4. The wear-resistant and high-temperature-resistant assembled bearing according to claim 1, characterized in that: The heat dissipation fins (16) extend outwards to be flush with the outer surface of the bearing outer ring (1), and the heat dissipation fins (16) are evenly distributed on the bearing outer ring (1).

5. The wear-resistant and high-temperature-resistant assembled bearing according to claim 1, characterized in that: The positions of the groove (14) and the ball (4) correspond to each other, and the ball (4) fits inside the groove (14).

6. The wear-resistant and high-temperature resistant assembled bearing according to claim 1, characterized in that: A slot (17) is provided on the surface of the cavity (6), and the slot (17) extends inwardly to the surface of the wear-resistant pad (7).

7. The wear-resistant and high-temperature resistant assembled bearing according to claim 1, characterized in that: Pins (18) are fixedly mounted on the inner sides of the upper fixing ring (10) and the lower fixing ring (11), and a circular hole (19) corresponding to the pin (18) is formed on the surface of the bearing inner ring (5).

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