US 2013/0340256 A1 · BEARING REPLACEMENT METHOD AND TOOLS FOR ROTATING MACHINE

Abstract

A bearing replacement method for a rotating machine of the present invention includes the steps of: when at least one bearing of a rotating machine is to be replaced with a new one, mounting at an end portion of the rotating machine a plurality of bendable arms for removing a first bearing covering part, a power supply unit outer frame, and a slipring, respectively; removing with the arms the first bearing covering part, the power supply unit outer frame, and the slipring, respectively; and thereafter replacing the at least one bearing with a new one.

Claims20

Dependent claims

A bearing replacement method for a rotating machine, the method comprising the steps of:

when at least one bearing of a rotating machine is to be replaced with a new one, mounting at an end portion of the rotating machine a plurality of bendable arms for removing a first bearing covering part, a power supply unit outer frame, and a slipring, respectively;
removing with the arms the first bearing covering part, the power supply unit outer frame, and the slipring, respectively;
and
thereafter replacing the at least one bearing with a new one.

1 more element

A disassembling apparatus for bearing replacement, the apparatus comprising:

a first maintenance jig including:
a base fixed via a rotating machine main unit frame to a seat to which a rotating machine is fixed, the base disposed at an end portion of the rotating machine;
a base plate fixed to the base and a lifting tab on the rotating machine main unit;
and
a plurality of bendable arms to be mounted on the base plate, the arms for removing a first bearing covering part, a power supply unit outer frame, and a slipring, respectively, of the rotating machine, wherein
to replace at least one bearing of the rotating machine, the first bearing covering part, the power supply unit outer frame, and the slipring are removed using the respective arms of the first maintenance jig.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

13/920,203Filed 18 Jun 2013

Priority

JP 2012-13932721 Jun 2012

Published

26 Dec 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification18 codes

F16C 35/062
Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing: dismounting of ball or roller bearings
B25B 27/06
For connecting objects by press fit or detaching same: inserting or withdrawing sleeves or bearing races
F03D 80/50
Details, components or accessories not provided for in groups F03D1/00 - F03D17/00: maintenance or repair
F03D 80/70
Details, components or accessories not provided for in groups F03D1/00 - F03D17/00: bearing or lubricating arrangements

Bearing replacement method and tools for rotating machine

Life of this patent

Bearing replacement method and tools for rotating machine

Life of this patent

Abstract

Claims20