Full-ball ultra-high-speed protective bearing

Abstract

The utility model relates to the technical field of bearings, and discloses a full-ball ultra-high-speed protective bearing, which comprises an inner ring, an outer ring, a ball retainer and a plurality of rolling bodies, the plurality of rolling bodies are arranged on the inner side of the ball retainer, the ball retainer is arranged between the inner ring and the outer ring, and the outer ring is arranged between the inner ring and the outer ring. Second grooves are formed in the upper end and the lower end of the outer side wall of the inner ring and the upper end and the lower end of the inner side wall of the outer ring correspondingly, sealing structures are arranged at the upper end and the lower end between the inner ring and the outer ring correspondingly, each sealing structure comprises a sealing cover, a first N magnetic pole is arranged at the position, close to one end, of the outer side wall of each sealing cover, and the outer side wall of each first N magnetic pole is sleeved with a graphene layer; a second N magnetic pole is arranged on the inner side wall of the second groove, and a connecting structure is arranged on the outer side wall of the outer ring. According to the sealing structure, the first N magnetic pole and the second N magnetic pole repel each other, the sealing cover is completely suspended through magnetic force, mechanical contact is eliminated, and therefore zero friction and zero abrasion are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially relates to a full ball super high speed protection bearing. BACKGROUND

[0002] Bearing is a vital component in modern machinery, widely used in various mechanical equipment, used for supporting rotating shaft and reducing friction, so as to ensure the smooth, efficient operation of mechanical system, full ball super high speed protection bearing is a kind of rolling bearing specially designed for running at very high speed, usually used in the application scene that needs to bear high speed, high load and high reliability requirement.

[0003] There are still some problems in the use process of the existing full ball super high speed protection bearing, the traditional non-contact seal forms a fluid film between the sealing end faces by fluid dynamic pressure or static pressure, avoids hard solid contact, but still exists small friction and wear, especially under high speed or high load conditions, therefore, the technical personnel in the field provides a kind of full ball super high speed protection bearing to solve the problems in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a full ball super high speed protection bearing, the sealing structure is repelled between the first N magnetic pole and the second N magnetic pole, the magnetic suspension technology makes the sealing cover completely suspended by magnetic force, completely eliminates mechanical contact, so as to realize zero friction and zero wear, which significantly prolongs the service life of the sealing cover and reduces maintenance requirements.

[0005] To achieve the above object, the utility model provides the following technical scheme: a full ball super high speed protection bearing, including inner ring, outer ring, ball retainer and multiple rolling bodies, multiple rolling bodies are arranged in the inner side of ball retainer, the ball retainer is arranged between the inner ring and the outer ring, the upper and lower ends of the outer side wall of the inner ring are provided with the second recess, and the upper and lower ends of the inner side wall of the outer ring are provided with the second recess, the sealing structure is equipped between the inner ring and the outer ring upper and lower ends;

[0006] The sealing structure includes a sealing cover, the outer side wall of the sealing cover is provided with a first N magnetic pole at one end, the outer side wall of the first N magnetic pole is provided with a graphene layer, and the inner side wall of the second recess is provided with a second N magnetic pole;

[0007] The outer side wall of the outer ring is provided with a connecting structure;

[0008] By the technical scheme, the first N magnetic pole and the second N magnetic pole repel each other, the magnetic suspension technology makes the sealing cover completely suspended through magnetic force, mechanical contact is completely eliminated, zero friction and zero wear are realized, the service life of the sealing cover is remarkably prolonged, maintenance requirements are reduced, the sealing cover is kept stably suspended, very high rotating speed is adapted, and unbalanced vibration and noise are effectively eliminated, so that the sealing cover can keep stable operation at high rotating speed.

[0009] Further, the connecting structure comprises a base ring, a plurality of third grooves are arranged on the upper end face of the base ring in a circular manner, a limiting groove is formed at the inner side of each of the two inner side walls of the plurality of third grooves, a rotating plate is rotatably connected in each of the plurality of third grooves, a limiting block is fixedly connected to the two sides of each of the plurality of rotating plates, and a threaded sleeve is arranged at the upper inner side of the base ring.

[0010] Through the above technical scheme, the threaded sleeve is rotated, the threaded sleeve moves towards the inner side of the base ring, the plurality of limiting blocks are pushed to turn outward, and the plurality of limiting blocks are extruded in the bearing seat, so that the connectivity between the threaded sleeve and the bearing seat is improved.

[0011] Further, the outer side wall of the threaded sleeve, the upper inner side wall of the base ring and the inner side wall of each of the plurality of rotating plates are all provided with inclined surfaces.

[0012] Through the above technical scheme, the inclined surface of the threaded sleeve extrudes the inclined surface of each of the plurality of rotating plates to make the plurality of rotating plates tilt.

[0013] Further, a first groove is formed at the center of the inner side wall of the inner ring, and a heat-conducting pad is arranged in the first groove.

[0014] Through the above technical scheme, the heat generated by the inner ring can be quickly conducted to the inside of the second groove through the heat-conducting pad. Since the heat conductivity coefficient of the heat-conducting pad is much higher than that of traditional bearing steel, the heat can be more effectively conducted away from the surface of the inner ring, thereby prolonging the service life of the bearing.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1、The full ball super high speed protection bearing repels each other between the first N magnetic pole and the second N magnetic pole, the magnetic suspension technology makes the sealing cover completely suspended through magnetic force, completely eliminates mechanical contact, realizes zero friction and zero wear, remarkably prolongs the service life of the sealing cover, reduces maintenance requirements, keeps the stable suspension of the sealing cover, adapts very high rotating speed, and effectively eliminates unbalanced vibration and noise, so that the sealing cover can keep stable operation at high rotating speed.

[0017] 2. The utility model discloses, when installing, through the base circle is placed into the bearing seat, through the rotation threaded bush, threaded bush moves to the base circle inboard, promotes a plurality of limit pad to overturn to the outside, a plurality of limit pad extrude in the bearing seat inside, to improve the connectivity between bearing seat.

[0018] 3. The utility model discloses, the heat generated by the inner ring can be quickly conducted to the second recess inside through the heat conduction pad. Because the heat conductivity coefficient of heat conduction pad is far higher than traditional bearing steel, heat can be more effectively conducted from the inner ring surface, improves the service life of bearing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of a full ball super high speed protection bearing that the utility model proposes;

[0020] Figure 2 It is a perspective view of a full ball super high speed protection bearing that the utility model proposes;

[0021] Figure 3 It is Figure 2 The enlarged schematic view of A in the middle;

[0022] Figure 4 It is a partial top view of a full ball super high speed protection bearing connecting structure that the utility model proposes.

[0023] LEGEND:

[0024] 1, inner ring, 2, sealing structure, 201, sealing cover, 202, first N magnetic pole, 203, second N magnetic pole, 204, graphene layer, 3, outer ring, 4, connecting structure, 401, base circle, 402, threaded bush, 403, rotation plate, 404, third recess, 405, limit groove, 406, limit block, 407, inclined plane, 5, ball cage, 6, rolling body, 7, first recess, 8, heat conduction pad, 9, second recess. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Refer to Figures 1-4The utility model provides an embodiment: a full ball super high speed protection bearing, including inner race 1, outer race 3, ball cage 5 and multiple rolling body 6, multiple rolling body 6 are arranged in the inner side of ball cage 5, ball cage 5 is arranged between inner race 1 and outer race 3, and the upper and lower ends of the outer side wall of inner race 1 are all provided with second recess 9 with the upper and lower ends of the inner side wall of outer race 3, and the upper and lower ends between inner race 1 and outer race 3 are all equipped with sealing structure 2.

[0027] Sealing structure 2 includes sealing cover 201, and the first N magnetic pole 202 is arranged at the one end of the outer side wall of sealing cover 201, the outer side wall of the first N magnetic pole 202 is sleeved with graphene layer 204, the second N magnetic pole 203 is arranged on the inner side wall of the second recess 9, and the sealing cover 201 is completely suspended by the mutual repulsion between the first N magnetic pole 202 and the second N magnetic pole 203 through magnetic suspension technology, which completely eliminates mechanical contact, so as to realize zero friction and zero wear, which significantly prolongs the service life of the sealing cover 201 and reduces the maintenance requirement, keeps the stable suspension of the sealing cover 201, adapts to very high rotating speed, and effectively eliminates unbalanced vibration and noise, which makes the sealing cover 201 keep stable operation under high rotating speed.

[0028] The outer side wall of outer race 3 is provided with connecting structure 4, and the connecting property between the connecting structure 4 and the connecting seat is improved.

[0029] Connecting structure 4 includes base ring 401, a plurality of third recesses 404 are arranged in a circular shape on the upper end face of base ring 401, limit grooves 405 are arranged on the inner sides of the two inner side walls of the plurality of third recesses 404, rotating plates 403 are rotatably connected in the plurality of third recesses 404, limit blocks 406 are fixedly connected on the two sides of the plurality of rotating plates 403, a threaded sleeve 402 is arranged on the inner side of base ring 401, the threaded sleeve 402 is moved to the inner side of base ring 401 by rotating, the plurality of limit blocks 406 are pushed to turn outward, and the plurality of limit blocks 406 are extruded in the bearing seat, so that the connecting property between the connecting structure 4 and the bearing seat is improved.

[0030] The outer side wall of threaded sleeve 402, the inner side wall of base ring 401 and the inner side wall of the plurality of rotating plates 403 are all provided with inclined surfaces 407, and the plurality of rotating plates 403 are inclined by extruding the inclined surfaces 407 of the plurality of rotating plates 403 through the inclined surface 407 of threaded sleeve 402.

[0031] A first recess 7 is arranged in the center of the inner side wall of inner race 1, and a heat-conducting pad 8 is arranged in the first recess 7, so that the heat generated by inner race 1 can be quickly conducted to the inside of second recess 9 through heat-conducting pad 8. Because the heat conductivity coefficient of heat-conducting pad 8 is much higher than that of traditional bearing steel, heat can be more effectively conducted away from the surface of inner race 1, improving the service life of the bearing.

[0032] Working principle: when installing, by putting the base ring 401 into the bearing seat, rotating the threaded sleeve 402, the threaded sleeve 402 moves to the inside of the base ring 401, pushes the plurality of limiting blocks 406 to turn outward, and the plurality of limiting blocks 406 are extruded in the bearing seat, thereby improving the connectivity with the bearing seat.

[0033] In use, through the mutual repulsion between the first N magnetic pole 202 and the second N magnetic pole 203, the magnetic suspension technology makes the sealing cover 201 completely suspended by magnetic force, completely eliminates mechanical contact, realizes zero friction and zero wear, which significantly prolongs the service life of the sealing cover 201 and reduces the maintenance requirement, maintains the stable suspension of the sealing cover 201, adapts to very high rotating speed, and effectively eliminates unbalanced vibration and noise, which makes the sealing cover 201 also run smoothly at high rotating speed.

[0034] When the bearing is running, the heat generated by the inner ring 1 can be quickly conducted to the inside of the second groove 9 through the heat conduction pad 8. Because the thermal conductivity of the heat conduction pad 8 is much higher than that of the traditional bearing steel, the heat can be more effectively conducted away from the surface of the inner ring 1, improving the service life of the bearing.

[0035] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A full ball super high speed protective bearing comprising an inner ring (1), an outer ring (3), a ball cage (5) and a plurality of rolling elements (6), the plurality of rolling elements (6) being disposed inside the ball cage (5), the ball cage (5) being disposed between the inner ring (1) and the outer ring (3), characterized in that: Second grooves (9) are formed at the upper and lower ends of the outer side wall of the inner ring (1) and the inner side wall of the outer ring (3), and sealing structures (2) are arranged at the upper and lower ends between the inner ring (1) and the outer ring (3); The sealing structure (2) comprises a sealing cover (201), the outer side wall of the sealing cover (201) is provided with a first N magnetic pole (202) at one end, the outer side wall of the first N magnetic pole (202) is sleeved with a graphene layer (204), and the inner side wall of the second groove (9) is provided with a second N magnetic pole (203); The outer side wall of the outer ring (3) is provided with a connecting structure (4).

2. A full ball super-speed protective bearing according to claim 1, characterized in that: The connecting structure (4) comprises a base ring (401), a plurality of third grooves (404) are arranged in a circular shape on the upper end face of the base ring (401), limit grooves (405) are formed at the inner sides of the two inner side walls of the plurality of third grooves (404), rotating plates (403) are rotatably connected inside the plurality of third grooves (404), limit blocks (406) are fixedly connected on the two sides of the plurality of rotating plates (403), and a threaded sleeve (402) is arranged at the upper inner side of the base ring (401).

3. A full ball super-speed protective bearing according to claim 2, characterized in that: The outer side wall of the threaded sleeve (402), the inner side wall of the base ring (401) and the inner side walls of the plurality of rotating plates (403) are all provided with inclined surfaces (407) at the upper inner side.

4. A full ball super-speed protective bearing according to claim 1, characterized in that: A first groove (7) is formed at the center of the inner side wall of the inner ring (1), and a heat-conducting pad (8) is arranged inside the first groove (7).

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