Powder metallurgy bearing

Abstract

The utility model discloses a powder metallurgy bearing which comprises a bearing body, a shaft body connecting ring is arranged in the bearing body, the inner wall of the shaft body connecting ring is provided with at least three groups of limiting grooves, the limiting grooves are circumferentially distributed at equal intervals through the center circle point of the shaft body connecting ring, and an inner reinforcing ring is fixedly installed outside the shaft body connecting ring. An inner reinforcing ring is arranged outside the shaft body connecting ring, an inner ring track covers the outer part of the inner reinforcing ring, the inner ring track is fixedly connected with the inner reinforcing ring, an outer ring track is arranged outside the inner ring track, a plurality of balls are filled between the inner ring track and the outer ring track, and the balls are respectively in rolling connection with the inner ring track and the outer ring track. The overall structural strength of the bearing inner ring can be improved through the arranged inner reinforcing ring, a good using effect is achieved, meanwhile, the multiple annularly-distributed reinforcing ribs are arranged on the outer ring track, and the overall structural strength of the bearing outer ring can be effectively improved through the arranged reinforcing ribs.

Description

Technical Field

[0001] The utility model relates to a bearing, in particular to a powder metallurgy bearing, and belongs to the technical field of metallurgical accessories. Background Art

[0002] Metallurgy developed from ancient pottery. The first was copper smelting. The melting point of copper is relatively low. With the development of pottery, the working temperature required for pottery became higher and higher, reaching the melting point of copper. In the process of pottery making, copper was naturally found as a biomass in some places with copper mines. With the gradual accumulation of experience, the ancients gradually mastered the method of copper smelting.

[0003] Metallurgical technologies mainly include pyrometallurgy, hydrometallurgy and electrometallurgy. With the successful application of physical chemistry in metallurgy, metallurgy has moved from technology to science, so there is a major in metallurgical engineering in universities. Existing metallurgical work requires the use of metallurgical equipment, and metallurgical equipment requires the use of bearings during production. However, the existing metallurgical bearings have poor overall structural strength in actual use. Therefore, after long-term use, they are easily damaged by high-frequency vibration, which affects their service life. For this reason, the utility model proposes a high-strength powder metallurgy bearing. Utility Model Content

[0004] The utility model provides a powder metallurgy bearing, which is used to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a powder metallurgy bearing, comprising a bearing body, wherein a shaft connecting ring is arranged inside the bearing body, and no less than three groups of limiting grooves are opened on the inner wall of the shaft connecting ring, and a plurality of the limiting grooves are circumferentially distributed with equal intervals through the center point of the shaft connecting ring, an inner reinforcing ring is fixedly installed outside the shaft connecting ring, an inner ring track is arranged on the outer cover of the inner reinforcing ring, the inner ring track and the inner reinforcing ring are fixedly connected, an outer ring track is arranged outside the inner ring track, a plurality of balls are filled between the inner ring track and the outer ring track, the balls are respectively rollingly connected with the inner ring track and the outer ring track, and a plurality of reinforcing ribs are fixedly installed on the outer surface of the outer ring track.

[0007] Furthermore, in order to improve the overall structural strength of the bearing of the utility model, the number of the reinforcing ribs is not less than ten, and a number of the reinforcing ribs are distributed in a circle with equal intervals through the center point of the outer ring track.

[0008] Furthermore, in order to facilitate the integration of the reinforcing ribs and the external structure, an external fixing ring is commonly provided on the outside of the top ends of the plurality of reinforcing ribs, and the top ends of the plurality of reinforcing ribs are fixedly connected to the inner wall of the external fixing ring.

[0009] Furthermore, in order to facilitate the external fixing and installation of the bearing, a plurality of mounting seats are integrally connected to the outer surface of the outer reinforcement ring, and the plurality of mounting seats are distributed in a ring at equal intervals, and each of the mounting seats is provided with a mounting hole.

[0010] Furthermore, in order to improve the structural adaptability of the bearing, a bearing column is inserted inside the shaft connecting ring, and a limiting column adapted to the limiting groove is provided on the outer surface of the bearing column, and the bearing column and the limiting column are integrally formed.

[0011] Compared with the prior art, the utility model provides the following beneficial effects:

[0012] The utility model is provided with an annular mounting seat on the bearing body, and the utility model can be installed in the area where work is required through the provided mounting seat to ensure the normal use of the bearing. In actual use, the connection stability between the bearing and the external structure can be effectively improved, and the utility model has the characteristics of quick installation and quick removal, and the structure is easy to install and has good practicality.

[0013] The utility model provides a shaft connecting ring with a bearing column adapted thereto, and the limiting column of the bearing column can be limitedly engaged with the limiting groove, so that the shaft connecting ring can be effectively driven to rotate by the bearing column, thereby ensuring the normal use of the bearing, and the structural design of the limited engagement eliminates the need for welding of the shaft, thereby facilitating the maintenance and replacement of the bearing, improving maintenance efficiency, and reducing maintenance costs;

[0014] By arranging an inner reinforcement ring on the outside of the shaft connecting ring, the inner reinforcement ring can improve the overall structural strength of the inner ring of the bearing, and has a better use effect. At the same time, by arranging a number of annularly distributed reinforcement ribs on the outer ring track, the overall structural strength of the outer ring of the bearing can be effectively improved. By using the inner reinforcement ring, the overall structural strength with internal and external reinforcement is achieved, which effectively resists external force impact and mechanical vibration and improves the overall service life. At the same time, the structural empty layer formed between the reinforcement ribs can be used as a deformation space for buffering and resistance, and has a certain empty layer buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the bearing assembly structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the bearing body of the utility model;

[0018] Figure 3 This is a schematic diagram of the inner ring structure of the bearing body of the utility model;

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

[0020] In the figure: 1. bearing body; 101. shaft connecting ring; 102. limiting groove; 103. inner reinforcing ring; 104. inner ring track; 105. ball; 106. outer ring track; 107. reinforcing rib; 108. outer fixing ring; 109. mounting seat; 2. bearing column; 3. limiting column. DETAILED DESCRIPTION

[0021] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0022] According to an embodiment of the utility model, a powder metallurgy bearing is provided.

[0023] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, a powder metallurgy bearing according to an embodiment of the utility model includes a bearing body 1, a shaft connecting ring 101 is arranged inside the bearing body 1, and no less than three groups of limiting grooves 102 are opened on the inner wall of the shaft connecting ring 101, and the limiting grooves 102 are distributed circumferentially at equal intervals through the center point of the shaft connecting ring 101, an inner reinforcement ring 103 is fixedly installed on the outside of the shaft connecting ring 101, an inner ring track 104 is arranged on the outer cover of the inner reinforcement ring 103, the inner ring track 104 and the inner reinforcement ring 103 are fixedly connected, an outer ring track 106 is arranged outside the inner ring track 104, a plurality of balls 105 are filled between the inner ring track 104 and the outer ring track 106, the balls 105 are respectively rollingly connected to the inner ring track 104 and the outer ring track 106, and a plurality of reinforcing ribs 107 are fixedly installed on the outer surface of the outer ring track 106.

[0024] In one embodiment, the number of the reinforcing ribs 107 is not less than ten, and the plurality of reinforcing ribs 107 are distributed in a circle with equal intervals through the center point of the outer ring track 106 .

[0025] In one embodiment, the top ends of the plurality of reinforcing ribs 107 are collectively covered with an outer fixing ring 108 , and the top ends of the plurality of reinforcing ribs 107 are fixedly connected to the inner wall of the outer fixing ring 108 .

[0026] In one embodiment, a plurality of mounting seats 109 are integrally connected to the outer surface of the outer reinforcement ring. The plurality of mounting seats 109 are distributed in a ring at equal intervals, and each mounting seat 109 is provided with a mounting hole.

[0027] In one embodiment, a bearing column 2 is inserted into the shaft connecting ring 101 , and a limiting column 3 matched with the limiting groove 102 is provided on the outer surface of the bearing column 2 . The bearing column 2 and the limiting column 3 are integrally formed.

[0028] Working principle: The utility model is provided with an annular mounting seat 109 on the bearing body 1. The mounting seat 109 can be used to install the utility model in the area where work is required to ensure the normal use of the bearing. In actual use, the connection stability between the bearing and the external structure can be effectively improved. At the same time, it has the characteristics of quick installation and quick removal, and the structure is easy to install and has good practicality.

[0029] The utility model provides a bearing column 2 adapted to the shaft connecting ring 101, and the limiting column 3 of the bearing column 2 can be limitedly engaged with the limiting groove 102, so that the shaft connecting ring 101 can be effectively driven by the bearing column 2 to rotate, thereby ensuring the normal use of the bearing, and through the limited engagement structural design, there is no need to weld the shaft, so that the bearing can be easily repaired and replaced, thereby improving maintenance efficiency and reducing maintenance costs;

[0030] By arranging an inner reinforcement ring 103 outside the shaft connecting ring 101, the inner reinforcement ring 103 can improve the overall structural strength of the inner ring of the bearing, and has a better use effect. At the same time, by arranging a number of annularly distributed reinforcement ribs 107 on the outer ring track 106, the overall structural strength of the outer ring of the bearing can be effectively improved. By using the inner reinforcement ring 103, the overall structural strength with internal and external reinforcement is achieved, which effectively resists external force impact and mechanical vibration and improves the overall service life. At the same time, the structural empty layer formed between the reinforcement ribs 107 can be used as a deformation space for buffering and resistance, and has a certain empty layer buffering effect.

[0031] To sum up, with the help of the above-mentioned technical solution of the utility model, the technical problem in the background technology that "the existing metallurgical bearings have poor overall structural strength in actual use, so they are easily damaged due to high-frequency vibration after long-term use, affecting their service life" is solved.

[0032] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "fixation", "screwing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present utility model according to the specific circumstances. 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, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A powder metallurgy bearing, characterized in that: The invention comprises a bearing body (1), wherein a shaft connecting ring (101) is arranged inside the bearing body (1), and no less than three groups of limiting grooves (102) are opened on the inner wall of the shaft connecting ring (101), and a plurality of the limiting grooves (102) are equidistantly distributed in a circle through the center point of the shaft connecting ring (101), and an inner reinforcing ring (103) is fixedly installed outside the shaft connecting ring (101), and an inner ring track (104) is arranged outside the inner reinforcing ring (103). The inner ring track (104) is fixedly connected to the inner reinforcement ring (103); an outer ring track (106) is arranged outside the inner ring track (104); a plurality of balls (105) are filled between the inner ring track (104) and the outer ring track (106); the balls (105) are respectively connected to the inner ring track (104) and the outer ring track (106) in a rolling manner; and a plurality of reinforcing ribs (107) are fixedly installed on the outer surface of the outer ring track (106).

2. A powder metallurgy bearing according to claim 1, characterized in that: The number of the reinforcing ribs (107) is not less than ten, and a plurality of the reinforcing ribs (107) are distributed in a circle at equal intervals through the center point of the outer ring track (106).

3. A powder metallurgy bearing according to claim 1, characterized in that: An external fixing ring (108) is commonly provided on the outside of the top ends of the plurality of reinforcing ribs (107), and the top ends of the plurality of reinforcing ribs (107) are fixedly connected to the inner wall of the external fixing ring (108).

4. A powder metallurgy bearing according to claim 3, characterized in that: A plurality of mounting seats (109) are integrally connected to the outer surface of the outer fixing ring. The plurality of mounting seats (109) are distributed in a ring at equal intervals, and each mounting seat (109) is provided with a mounting hole.

5. The powder metallurgy bearing according to claim 1, characterized in that: A bearing column (2) is inserted into the shaft connecting ring (101), and a limiting column (3) matching the limiting groove (102) is arranged on the outer surface of the bearing column (2). The bearing column (2) and the limiting column (3) are designed to be integrally formed.

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