A multi-axis concentric transmission power bearing

Abstract

The utility model proposes a multi-axis concentric transmission power bearing, which relates to the technical field of bearings. A multi-axis concentric transmission power bearing comprises a bearing body, the bearing body comprises a bearing inner ring and a bearing outer ring sleeved outside the bearing inner ring, a first retainer and a plurality of first balls are arranged between the bearing inner ring and the bearing outer ring, the first balls rotate through the first retainer, and the first balls respectively abut against the outer wall of the bearing inner ring and the inner wall of the bearing outer ring; a rotating ring is arranged on the outer rotating sleeve of the bearing outer ring, and a plurality of second balls are arranged between the rotating ring and the outer wall of the bearing outer ring, and the second balls respectively abut against the outer wall of the bearing outer ring and the inner wall of the rotating ring. By adopting the utility model, it is possible to realize the rotation of multiple axes on the same axis to transmit power.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a multi-axis concentric transmission power bearing. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Since the invention of bearings, traditional bearings can only transmit power to a single axis and cannot meet the requirements of multi-axis concentric transmission, which has certain limitations. Utility Model Content

[0003] The utility model aims to provide a multi-axis coaxial power transmission bearing, which can provide a solution to the deficiencies of the prior art and can transmit power by realizing the rotation of multiple axes at the same axis.

[0004] The technical solution adopted by the utility model is:

[0005] An embodiment of the present application provides a multi-axis concentric transmission power bearing, including a bearing body, the bearing body including a bearing inner ring and a bearing outer ring sleeved on the outside of the bearing inner ring, a first retaining frame and a plurality of first balls are provided between the bearing inner ring and the bearing outer ring, the first balls rotate through the first retaining frame, and the first balls respectively abut against the outer side wall of the bearing inner ring and the inner side wall of the bearing outer ring; a rotating ring is rotatably sleeved on the outside of the bearing outer ring, a plurality of second balls are provided between the rotating ring and the outer side wall of the bearing outer ring, and the second balls respectively abut against the outer side wall of the bearing outer ring and the inner side wall of the rotating ring.

[0006] Furthermore, in some embodiments of the present invention, a second retaining frame is provided between the rotating ring and the outer side wall of the bearing outer ring, and the second ball rotates through the second retaining frame.

[0007] Furthermore, in some embodiments of the present invention, there are multiple rotating rings, and the inner diameters of the multiple rotating rings gradually increase from the inside to the outside and are rotated and sleeved in sequence.

[0008] Furthermore, in some embodiments of the present invention, a plurality of second balls are disposed between any two adjacent rotating rings.

[0009] Furthermore, in some embodiments of the present invention, a second retaining frame is provided between any two adjacent rotating rings.

[0010] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0011] The utility model provides a multi-axis concentric transmission power bearing, including a bearing body, the bearing body including a bearing inner ring and a bearing outer ring sleeved outside the bearing inner ring, a first retainer and a plurality of first balls are arranged between the bearing inner ring and the bearing outer ring, the first balls rotate through the first retainer, and the first balls respectively abut against the outer wall of the bearing inner ring and the inner wall of the bearing outer ring; a rotating ring is arranged on the outer rotating sleeve of the bearing outer ring, and a plurality of second balls are arranged between the rotating ring and the outer wall of the bearing outer ring, and the second balls respectively abut against the outer wall of the bearing outer ring and the inner wall of the rotating ring. It can realize the rotation of multiple axes at the same axis to transmit power, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 A front view of a multi-axis concentric transmission power bearing when the rotating ring provided in the embodiment of the utility model is one;

[0014] Figure 2 A front view of a multi-axis coaxial transmission power bearing when there are two rotating rings provided in the embodiment of the utility model;

[0015] Figure 3 A cross-sectional view of a multi-axis coaxial transmission power bearing when there are two rotating rings provided in an embodiment of the utility model;

[0016] Figure 4 A sectional view of the installation structure of a multi-axis coaxial power transmission bearing when there are two rotating rings provided in an embodiment of the utility model.

[0017] Icons: 1-bearing inner ring; 2-bearing outer ring; 3-first retaining frame; 4-first ball; 5-rotating ring; 6-second ball; 7-second retaining frame; 8-first transmission shaft; 9-second transmission shaft; 10-third transmission shaft; 11-first gear; 12-second gear; 13-third gear. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", etc. appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In addition, the use of terms such as "horizontal" and "vertical" does not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Example

[0025] Please refer to Figure 1-Figure 4 The present embodiment provides a multi-axis concentric transmission power bearing, comprising a bearing body, the bearing body comprising a bearing inner ring 1 and a bearing outer ring 2 sleeved on the outside of the bearing inner ring 1, a first retainer 3 and a plurality of first balls 4 are arranged between the bearing inner ring 1 and the bearing outer ring 2, the first balls 4 rotate and pass through the first retainer 3, and the first balls 4 respectively abut against the outer wall of the bearing inner ring 1 and the inner wall of the bearing outer ring 2; a rotating ring 5 is rotatably sleeved on the outside of the bearing outer ring 2, a plurality of second balls 6 are arranged between the rotating ring 5 and the outer wall of the bearing outer ring 2, and the second balls 6 respectively abut against the outer wall of the bearing outer ring 2 and the inner wall of the rotating ring 5. The arrangement of the second balls 6 facilitates the rotation between the bearing outer ring 2 and the rotating ring 5. A second retainer 7 is arranged between the rotating ring 5 and the outer wall of the bearing outer ring 2, and the second balls 6 rotate and pass through the second retainer 7. The second retainer 7 facilitates the maintenance of the position of the second balls 6, and the second balls 6 are evenly spaced along the circumferential direction during installation. Optionally, the first ball 4 and the second ball 6 of the present embodiment can be replaced by cylindrical rollers. The cylindrical balls can be lengthened according to the needs of the equipment, which can increase the supporting force.

[0026] There are multiple rotating rings 5, and the inner diameters of the multiple rotating rings 5 ​​gradually increase from the inside to the outside and are rotated and sleeved in sequence. Multiple second balls 6 are arranged between any two adjacent rotating rings 5, and a second retainer 7 is arranged between any two adjacent rotating rings 5. In actual manufacturing, annular grooves can be arranged on the outer wall of the bearing inner ring 1, the outer wall of the bearing outer ring 2, the inner wall of the bearing outer ring 2, the outer wall of the rotating ring 5, and the inner wall of the rotating ring 5. The first ball 4, the second ball 6, etc. are respectively embedded in the grooves at the corresponding positions to facilitate the rotation and limiting of the balls.

[0027] The number of the rotating rings 5 ​​of the present application can be set according to the actual situation, and can be one, two, three, etc. Figure 1 As shown, the number of rotating rings 5 ​​is one and it is rotatably sleeved outside the bearing outer ring 2. Figure 3 The number of rotating rings 5 ​​shown is two, one rotating ring 5 facing inward is rotatably sleeved on the outside of the bearing outer ring 2, and the other rotating ring 5 facing outward is rotatably sleeved on the outside of the rotating ring 5 facing inward. Figure 4 In this embodiment, two rotating rings 5 ​​are used as an example. During installation, the outermost rotating ring 5 can be fixedly installed on the equipment. When two rotating rings 5 ​​are used, three rotating shafts can be installed to transmit power.

[0028] refer to Figure 4The inner ring 1 of the bearing is fixedly installed with a first transmission shaft 8. The first transmission shaft 8 consists of two parts and is respectively fixed on both sides of the inner ring 1 of the bearing, or the two sides of the inner ring 1 of the bearing can be extended outward to form the first transmission shaft 8; the outer ring 2 of the bearing is fixedly installed with a second transmission shaft 9. The second transmission shaft 9 consists of two parts and is respectively fixed on both sides of the outer ring 2 of the bearing, or the two sides of the outer ring 2 of the bearing can be extended outward to form the second transmission shaft 9; the inner rotating ring 5 is fixedly installed with a third transmission shaft 10. The third transmission shaft 10 consists of two parts and is respectively fixed on both sides of the inner rotating ring 5, or the two sides of the inner rotating ring 5 can be extended outward to form the third transmission shaft 10. The length of the first transmission shaft 8 is greater than that of the second transmission shaft 9, the second transmission shaft 9 adopts a hollow structure and the first transmission shaft 8 passes through the second transmission shaft 9; the length of the second transmission shaft 9 is greater than that of the third transmission shaft 10, the third transmission shaft 10 adopts a hollow structure and the second transmission shaft 9 passes through the third transmission shaft 10; in this way, the first transmission shaft 8, the second transmission shaft 9, and the third transmission shaft 10 are installed in a stepped manner, the first gear 11 is fixedly arranged on the first transmission shaft 8, the second gear 12 is fixedly arranged on the second transmission shaft 9, and the third gear 13 is fixedly arranged on the third transmission shaft 10, and the gears can also be replaced with structures such as pulleys. In this way, the first gear 11, the second gear 12, and the third gear 13 can be driven by different motors to rotate respectively, and the gears can be installed on one side of the bearing, and the first transmission shaft 8, the second transmission shaft 9, and the third transmission shaft 10 on the other side can be connected to the working structure respectively, such as independently installing propellers, wheels, etc. In this way, the first transmission shaft 8, the second transmission shaft 9, and the third transmission shaft 10 can be independently rotated under the drive of the gears, so that multiple shafts can rotate on the same axis to transmit power.

[0029] The multi-axis concentric power transmission bearing provided in the present application, as long as one of the circles is used as a support point, such as the outermost rotating ring 5 is fixed as a support point or the inner ring 1 of the bearing is fixed as a support point, the other axes can rotate synchronously or asynchronously at the same time to transmit multiple powers without interfering with each other. The gear size can be changed to determine the rotation speed. For example, it can be applied to products such as multi-axis concentric hoists and multi-axis concentric propellers.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments and that the present application can be implemented in other specific forms without departing from the spirit or basic features of the present application.

[0031] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present application is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the present application. Any figure mark in the claims should not be regarded as limiting the claims involved. For those skilled in the art, the present utility model can have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A multi-axis concentric transmission power bearing, comprising a bearing body, wherein the bearing body comprises a bearing inner ring and a bearing outer ring sleeved outside the bearing inner ring, a first retainer and a plurality of first balls are arranged between the bearing inner ring and the bearing outer ring, the first balls rotate through the first retainer, and the first balls abut against the outer side wall of the bearing inner ring and the inner side wall of the bearing outer ring respectively; characterized in that: A rotating ring is provided on the outer rotating sleeve of the bearing outer ring, and a plurality of second balls are provided between the rotating ring and the outer side wall of the bearing outer ring. The second balls are respectively in contact with the outer side wall of the bearing outer ring and the inner side wall of the rotating ring.

2. A multi-axis concentric transmission power bearing according to claim 1, characterized in that: A second retaining frame is provided between the rotating ring and the outer side wall of the bearing outer ring, and the second ball rotates through the second retaining frame.

3. A multi-axis concentric transmission power bearing according to claim 2, characterized in that: There are multiple rotating rings, and the inner diameters of the multiple rotating rings gradually increase from the inside to the outside and are rotated and sleeved in sequence.

4. The multi-axis concentric transmission power bearing according to claim 3, characterized in that: A plurality of the second balls are arranged between any two adjacent rotating rings.

5. The multi-axis concentric transmission power bearing according to claim 4, characterized in that: The second retaining frame is disposed between any two adjacent rotating rings.

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