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Bearing structure

A technology for bearings and mandrels, applied in bearings, bearing components, shafts and bearings, etc., can solve problems such as reduced bearing service life, increased radial clearance, and rolling body wear, so as to prolong service life and slow down radial Effects of increased clearance and reduced sound pressure level

Pending Publication Date: 2021-03-23
SUZHOU HARMONIC ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] After the traditional bearings run at high speed for a long time, the inner and outer rings and the rolling body will have serious wear, which will cause the radial clearance to increase, resulting in vibration due to axial misalignment, and reducing the service life of the bearing.

Method used

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0034] refer to Figure 2-3 As shown, an embodiment of the bearing structure of the present invention includes a mandrel 1, a rolling element 2 and a cage 3, and the outer wall of the mandrel 1 and the inner wall of the cage 3 form an inner race 4 and an outer race 5 respectively. , the rolling body 2 is sandwiched between the inner rolling ring 4 and the outer rolling ring 5, the rolling body 2 is a disc-shaped structure, the rolling body 2 includes a central axis, and the rolling body takes the central axis as an axis The center rotates, and the diameter of the shaft hole of the mandrel 1 is smaller than the diameter of the rolling body 2 .

[0035] In this embodiment, the diam...

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Abstract

The invention discloses a bearing structure comprising a core shaft, a rolling body and a holding frame, the outer wall of the core shaft and the inner wall of the holding frame form an inner rollingring structure and an outer rolling ring structure correspondingly, the rolling body is clamped between an inner rolling ring and an outer rolling ring, the rolling body is of a disc-shaped structure,and the diameter of a shaft hole of the core shaft is smaller than that of the rolling body. The disc type rolling body structure is adopted to replace a ball type rolling body structure, the rotating speed of the rolling body is decreased, on one hand, abrasion between the rolling body and a roller path during high-speed operation of the bearing is reduced, and on the other hand, the sound pressure level of roller path sound during operation of the bearing can be reduced.

Description

technical field [0001] The invention relates to the field of bearing structure design, in particular to a bearing structure. Background technique [0002] like figure 1 shown. Generally speaking, most of the traditional bearings are ball bearings, the rolling bodies are balls, the number of rolling bodies is large, and the diameter of the rolling bodies is much smaller than the diameter of the inner and outer rings of the bearing. [0003] In order to obtain the rotation speed of the rolling body c, the bearing system can be approximately regarded as a planetary reducer system, a is the sun gear (inner ring), b is the inner gear (outer ring), and c is the planetary gear (rolling body) . [0004] When the speed of the inner ring a is na and the outer ring b is fixed, the speed of the rolling element c is: [0005] [0006] When the speed of the outer ring b is nb and the inner ring a is fixed, the speed of the rolling element c is: [0007] [0008] suppose to take...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C19/50F16C19/52F16C33/30
CPCF16C19/50F16C19/527F16C33/30
Inventor 叶骏绅缪鹏程
Owner SUZHOU HARMONIC ELECTRICAL
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