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Two-part bearing cage

A technology of bearing cages and cages, which is applied in the direction of bearings, ball bearings, bearing assembly, etc., and can solve problems such as bearing failure

Active Publication Date: 2020-08-28
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in order to connect the cage halves, the retaining lugs are stressed in both radial and axial directions, so that in the event of failure of one or more retaining lugs, the radial and axial support of the cage will be lost. disappears, followed by bearing failure

Method used

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  • Two-part bearing cage
  • Two-part bearing cage
  • Two-part bearing cage

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0048] figure 1 A schematic perspective view of a bearing cage 1 of a ball bearing is shown, which is composed of a first cage half 100 and a second cage half 200 . The bearing cage halves 100 and 200 described here are of identical design. From figure 1 It is further seen in the figure that the bearing cage 1 has connecting beams 2 forming between them cage pockets 4 in which rolling elements (not shown) are accommodated. Here the cage pocket 4 has an annular shape; that is, the cage pocket 4 is configured spherically on its radially inner side 4-1, while the cage pocket 4 is spherically arranged on its radially outer side. configured in a cylindrical shape. The annular design allows the rolling elements (such as balls) to be well guided radially inwards and completely surrounded by the pocket 4, while at its radially outer region 4-2, the distance from the The bearing cage has a spacing such that lubricant can penetrate into the gap between the rolling elements and the b...

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PUM

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Abstract

The invention discloses a two-part bearing cage for use in rolling bearings, which has a first cage half body and a second cage half body. The second cage half body is preferably connected to the first cage half body. The bodies are configured to be identical, wherein each cage half body includes an annular base body and pins extending axially from the annular base body, and complementary pin receiving grooves, wherein the pins of one cage half body Engage into the pin receiving groove of the other cage half body, and with the engagement into the pin receiving groove, the pins form the bearing cage connecting beam, and are formed between the cage connecting beams for accommodating all the bearings. In the bearing cage pocket of the rolling element of the rolling bearing, each pin receiving groove includes an axially extending ring portion disposed radially outward, and the axially extending ring portion supports each engaging pin in the radially outer direction. The prongs of the receiving slot.

Description

technical field [0001] The invention relates to a two-part bearing cage for rolling bearings. Background technique [0002] Two-part bearing cages are known from the prior art, for example the cages in patent DE69925976 or DE102012222799 consist of identical bearing cage halves. However, the bearing cages known from the prior art have the disadvantage that the brackets for connecting the bearing cage halves bend radially outwards at high rotational speeds, so that the cage expands and thus Contact with the outer ring, thus resulting in increased friction or pinching of the rolling elements. [0003] Bearing cages are also known in the prior art (for example, patent DE102010007789), wherein the retaining projections are actually supported radially, but in order to be able to design the retaining projections, the retaining grooves, and the rolling element pockets ) arrangement, the special design of the cage only allows an even number of balls. Furthermore, in order to conn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C33/38F16C33/66
CPCF16C33/3875F16C33/3887F16C33/66F16C2226/76F16C2220/04F16C19/04F16C2208/36F16C2226/74F16C2226/12
Inventor 托马斯·福斯特亚力山大·莫克尼克马赛厄斯·左纳
Owner AB SKF