Composite bearing

Abstract

The utility model relates to the technical field of bearings, and discloses a composite bearing which comprises a rolling mechanism, the rolling mechanism comprises a bearing outer ring, a bearing inner ring and balls evenly distributed in the bearing outer ring and the bearing inner ring, copper strips are installed on the outer side of the bearing outer ring and the inner side of the bearing inner ring in an embedded mode, copper columns are evenly connected to the copper strips, and the bearing outer ring and the bearing inner ring are connected through the copper columns. The copper columns are located in the bearing outer ring and the bearing inner ring correspondingly and penetrate through the bearing outer ring and the bearing inner ring from inside to outside. According to the shielding mechanism, copper strips and copper columns are adopted for guiding heat, so that the heat, close to the balls, of the inner sides of the bearing outer ring and the bearing inner ring is more easily guided out, overheating of the balls, the bearing outer ring and the bearing inner ring is avoided, the size of thermal expansion of the balls, the bearing outer ring and the bearing inner ring is reduced, and excessive increase of friction is avoided. When the device works, the central axis is not easy to be cheaper, heat of the bearing outer ring and the bearing inner ring can be led out, and the expansion reducing effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a composite bearing. Background Art

[0002] Although the existing bearings are constantly innovated and developed and basically meet people's needs, there is still room for improvement.

[0003] For example, the patent document with the publication number CN214007777U discloses a composite bearing, including an outer ring. An inner ring is arranged inside the outer ring. A middle ring is arranged between the outer ring and the inner ring. A balancing device for balancing the shrinkage degrees of the inner ring and the outer ring is arranged on the middle ring. By providing the balancing device, the problem that in the traditional bearing, when encountering high temperature or low temperature, due to uneven heat absorption of the inner ring and the outer ring, the expansion degrees are different can be solved. It can effectively solve the problem that when the inner ring expands faster than the outer ring in the traditional bearing, it is easy to squeeze the internal balls, increasing the friction of the balls and affecting the rotation of the bearing. When the inner ring shrinks faster than the outer ring, the balls are easy to fall off, and it is necessary to reassemble the bearing, which is time-consuming and laborious.

[0004] For the above-mentioned composite bearing, a deformable spring is used for buffering, so as to reserve space for the thermal expansion of the bearing rings. However, during the rotation of the bearing, the spring is prone to certain deformation under the action of centrifugal force, resulting in the deviation of the rotation center line of the bearing and affecting the normal rotation work. At the same time, the heat generated during the operation of the bearing mainly comes from the frictional work of the balls and the inner and outer rings of the bearing. The above structure only reserves the expansion space of the inner ring of the bearing, while the balls and the outer ring of the bearing are still prone to thermal expansion and increase friction, and there are still certain inconveniences in actual use. Therefore, there is an urgent need for a composite bearing to solve the above problems. Summary of the Utility Model

[0005] In order to overcome the above technical problems, the purpose of the utility model is to provide a composite bearing to solve the problems mentioned in the above background art, that is, during the rotation of the bearing, the spring is prone to certain deformation under the action of centrifugal force, resulting in the deviation of the rotation center line of the bearing and affecting the normal rotation work. At the same time, the heat generated during the operation of the bearing mainly comes from the frictional work of the balls and the inner and outer rings of the bearing. The above structure only reserves the expansion space of the inner ring of the bearing, while the balls and the outer ring of the bearing are still prone to thermal expansion and increase friction, and there are still certain inconveniences in actual use.

[0006] The utility model provides the following technical solution: a composite bearing, including a rolling mechanism, the rolling mechanism includes an outer bearing ring, an inner bearing ring and ball bearings evenly distributed inside the two, copper strips are embedded and installed on the outer side of the outer bearing ring and the inner side of the inner bearing ring, copper columns are evenly connected to the copper strips, and the copper columns are respectively located inside the outer bearing ring and the inner bearing ring and penetrate through the outer bearing ring and the inner bearing ring inside and outside;

[0007] A shielding mechanism, the number of the shielding mechanisms is two and they are distributed at both ends of the outer bearing ring.

[0008] To implement the above technical solution, the use of copper strips and copper columns can guide heat, so that the heat on the inner side of the outer bearing ring and the inner bearing ring close to the ball bearings can be more easily exported, avoiding overheating of the ball bearings, the outer bearing ring and the inner bearing ring, reducing the size of their thermal expansion, and avoiding excessive friction increase. Compared with the prior art, the central axis of the device is less likely to deviate during operation, and the heat of the outer bearing ring and the inner bearing ring can be exported, and the expansion effect is better reduced.

[0009] Furthermore, the embedding depth of the copper strip is less than one-fifth of the thickness of the outer bearing ring and the inner bearing ring, and the number of copper columns inside the outer bearing ring is greater than the number of copper columns inside the inner bearing ring.

[0010] To implement the above technical solution, it is avoided to excessively affect the rigidity of the outer bearing ring and the inner bearing ring.

[0011] Furthermore, the end of the copper column is adapted to the inner arc surface of the outer bearing ring and the inner bearing ring.

[0012] To implement the above technical solution, it is ensured that the ball bearings are not easily blocked during rolling.

[0013] Furthermore, the shielding mechanism includes a shielding sheet, and the shielding sheet is connected to the outer bearing ring to completely shield the gap between the outer bearing ring and the inner bearing ring. A through hole is provided on the shielding sheet, and the aperture of the through hole is larger than the aperture of the inner bearing ring.

[0014] To implement the above technical solution, it is avoided that large impurities enter the ball bearings.

[0015] Furthermore, the surface of the shielding sheet is annularly connected with convex blocks with hollow interiors, and both the convex blocks and the shielding sheet are made of copper components.

[0016] To implement the above technical solution, the surface area of the shielding sheet is increased, and its heat dissipation area is increased.

[0017] Furthermore, the end of the convex block is designed with an arc surface.

[0018] To implement the above technical solution, the end of the convex block is made safer.

[0019] Technical effects and advantages of the present utility model:

[0020] 1. The present utility model uses copper bars and copper columns to guide heat, so that the heat of the outer ring of the bearing and the inner side of the inner ring of the bearing close to the ball can be more easily exported, avoiding overheating of the ball, the outer ring of the bearing and the inner ring of the bearing, reducing the size of their thermal expansion, and avoiding excessive friction increase.

[0021] 2. Compared with the prior art, when the device of the present utility model works, the central axis is less likely to deviate, and the heat of the outer ring and the inner ring of the bearing can be exported, and the reduction of expansion effect is better. Description of the drawings

[0022] Figure 1 It is a top-down three-dimensional schematic diagram of the overall structure of the present utility model.

[0023] Figure 2 It is a top-down three-dimensional schematic diagram of the exploded state of the overall structure of the present utility model.

[0024] Figure 3 It is a top-down three-dimensional schematic diagram of the exploded state of the rolling mechanism structure of the present utility model.

[0025] Figure 4 It is a top-down three-dimensional schematic diagram of the exploded state of the shielding mechanism structure of the present utility model.

[0026] Reference numerals are: 1, rolling mechanism; 110, outer ring of bearing; 111, inner ring of bearing; 112, copper bar; 113, copper column; 2, shielding mechanism; 210, shielding piece; 211, convex block. Detailed implementation manners

[0027] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the drawings in the present utility model.

[0028] Embodiment 1:

[0029] Referring to the drawings in the specification Figures 1-3, the present utility model provides a composite bearing, including a rolling mechanism 1. The rolling mechanism 1 includes an outer bearing ring 110, an inner bearing ring 111, and ball bearings evenly distributed inside the two. Bronze strips 112 are embedded on the outer side of the outer bearing ring 110 and the inner side of the inner bearing ring 111. Bronze columns 113 are evenly connected to the bronze strips 112, and the bronze columns 113 are respectively located inside the outer bearing ring 110 and the inner bearing ring 111, penetrating through the outer bearing ring 110 and the inner bearing ring 111 inside and outside. The embedding depth of the bronze strip 112 is less than one-fifth of the thickness of the outer bearing ring 110 and the inner bearing ring 111, and the number of bronze columns 113 inside the outer bearing ring 110 is greater than the number of bronze columns 113 inside the inner bearing ring 111. The ends of the bronze columns 113 are adapted to the inner arc surfaces of the outer bearing ring 110 and the inner bearing ring 111;

[0030] A shielding mechanism 2, and the number of the shielding mechanisms 2 is two, which are distributed at both ends of the outer bearing ring 110.

[0031] During use, the outer side of the outer bearing ring 110 is connected to an external device, and the inner side of the inner bearing ring 111 is connected to a bearing rod. When the two rotate through the ball bearings to do work and generate heat, the heat will be guided to the external device or the bearing rod through the bronze strip 112 and the bronze column 113.

[0032] Embodiment 2:

[0033] Referring to the accompanying drawings of the specification Figure 4 , the difference between Embodiment 2 and Embodiment 1 is that: the shielding mechanism 2 includes a shielding piece 210, and the shielding piece 210 is connected to the outer bearing ring 110 to completely shield the gap between the outer bearing ring 110 and the inner bearing ring 111. A through hole is provided on the shielding piece 210, and the aperture of the through hole is larger than the aperture of the inner bearing ring 111. A convex block 211 with an internal hollow is annularly connected to the surface of the shielding piece 210, and both the convex block 211 and the shielding piece 210 are bronze components. The end of the convex block 211 is designed with an arc surface.

[0034] During use, the shielding piece 210 can shield the ball bearings. At the same time, the heat on the outer bearing ring 110 will be transferred to the shielding piece 210 and the convex block 211, and then dissipated into the air.

Claims

1. A composite bearing, comprising a rolling mechanism (1), wherein the rolling mechanism (1) comprises a bearing outer ring (110), a bearing inner ring (111), and balls evenly distributed inside the bearing outer ring and the inner ring, wherein: The outer side of the bearing outer ring (110) and the inner side of the bearing inner ring (111) are both embedded with copper bars (112), and copper columns (113) are evenly connected to the copper bars (112). The copper columns (113) are respectively located inside the bearing outer ring (110) and the bearing inner ring (111), and penetrate the bearing outer ring (110) and the bearing inner ring (111) inside and outside. A shielding mechanism (2), wherein the shielding mechanism (2) is two in number and is distributed at both ends of the bearing outer ring (110).

2. A composite bearing according to claim 1, characterized in that: The embedding depth of the copper strip (112) is less than one fifth of the thickness of the bearing outer ring (110) and the bearing inner ring (111), and the number of copper columns (113) inside the bearing outer ring (110) is greater than the number of copper columns (113) inside the bearing inner ring (111).

3. A composite bearing according to claim 2, characterized in that: The ends of the copper columns (113) are matched with the inner arc surfaces of the bearing outer ring (110) and the bearing inner ring (111).

4. A composite bearing according to claim 1, characterized in that: The shielding mechanism (2) comprises a shielding sheet (210), and the shielding sheet (210) is connected to the bearing outer ring (110) to completely shield the gap between the bearing outer ring (110) and the bearing inner ring (111), and a through hole is provided on the shielding sheet (210), and the aperture of the through hole is larger than the aperture of the bearing inner ring (111).

5. A composite bearing according to claim 4, characterized in that: The surface of the shielding sheet (210) is annularly connected to a convex block (211) with a hollow interior, and both the convex block (211) and the shielding sheet (210) are copper components.

6. A composite bearing according to claim 5, characterized in that: The end of the protrusion (211) is designed as a curved surface.

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