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Anti-friction bearing, in particular two-row anti-friction bearing, having a power generation unit, in particular for mounting a roller

A technology for rolling bearings and generating units, applied in rolling contact bearings, roller bearings, bearings in rotating motion, etc., can solve problems such as structural space not being optimally utilized

Active Publication Date: 2014-01-22
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is precisely in double-row or multi-row rolling bearings, especially double-row spherical roller bearings, that the structural space in the rolling bearing is not optimally utilized

Method used

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  • Anti-friction bearing, in particular two-row anti-friction bearing, having a power generation unit, in particular for mounting a roller
  • Anti-friction bearing, in particular two-row anti-friction bearing, having a power generation unit, in particular for mounting a roller
  • Anti-friction bearing, in particular two-row anti-friction bearing, having a power generation unit, in particular for mounting a roller

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Experimental program
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Embodiment Construction

[0022] figure 1 A rolling bearing 1 is shown which comprises a first bearing ring 2 and a second bearing ring 3 . The rolling bearing 1 is designed as a double row and includes two rows of rolling bodies 4 which are designed as spherical rollers. The rolling elements 4 are guided by the bearing cage 5 with respect to the axis of rotation 6 of the rolling bearing 1 in the circumferential direction and axially, that is to say essentially parallel to the axis of rotation 6 of the rolling bearing 1 , and are kept spaced apart. The two rows of spherical rollers are arranged staggered upwards from each other.

[0023] Roller bearing 1 is part of a bearing arrangement for rotatably supporting a roll, ie a guide roll for a paper web of a printing press, wherein a conically changing shaft 7 is held rotatably about an axis of rotation 6 .

[0024] The guide roller has pressure sensors which detect the pressing force of the paper web on the outer peripheral side of the roller, wherein ...

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Abstract

The invention relates to an anti-friction bearing, comprising a bearing ring (2), a bearing cage (5) for receiving at least one rolling body (4), a power generation unit (8) which is configured as a claw pole generator, wherein the claw pole generator (8) comprises a first claw ring (10) with a sequence of first claws (11) and a second claw ring (12) which is offset in the circumferential direction of the bearing ring (2) and has a sequence of second claws, wherein the two claw rings (10, 12) surround an induction coil (9) which circulates in the circumferential direction of the bearing ring (2), wherein the claws (11) of the two claw rings (10, 12) form, with a sequence of magnetic poles (14) circulating in the circumferential direction, magnetic circuits which surround the induction coil (9). The problem of specifying improved utilization of the installation space for receiving the claw pole generator for, in particular, two-row anti-friction bearings, specifically for self-aligning roller bearings, is solved according to the invention by virtue of the fact that the magnetic poles (14) are arranged on the bearing cage (5).

Description

technical field [0001] The invention relates to a rolling bearing according to the preamble of claim 1 and a bearing arrangement according to claim 11 for rotationally supporting a roll, in particular a guide roll for a paper web. Background technique [0002] It is known from practice that the rotational movement of rolling bearings during operation can generate electrical energy. For this purpose, in particular rolling bearings are known in which an energy generating unit is structurally integrated. In particular, rolling bearings are known in which the energy generating unit is designed as a claw pole generator. Here, the claw pole generator comprises a first claw ring, a second claw ring and an induction coil surrounded by these two claw rings, wherein the first claw ring has a series of first claws distributed in the circumferential direction of the rolling bearing, the second claw The two-claw ring has a series of second claws distributed in the circumferential direc...

Claims

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Application Information

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IPC IPC(8): F16C23/08H02K7/18F16C41/00F16C33/38H02K1/14
CPCF16C13/02F16C33/48F16C33/495F16C41/004H02K7/1846F16C19/38F16C23/086
Inventor 托马斯·林克维尔纳·罗曼海因茨·托伊默马丁·格伦亨利·范德克诺克卡尔·穆勒
Owner SCHAEFFLER TECH AG & CO KG
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