LIFTING TOOL FOR ROTARY SHAFT AND LIFTING METHOD FOR ROTARY SHAFT

Title:

LIFTING TOOL FOR ROTARY SHAFT AND LIFTING METHOD FOR ROTARY SHAFT

Document Type and Number:

WIPO Patent Application WO/2014/199951

Kind Code:

A1

Abstract:

A lifting tool (1) for a rotary shaft (54) in a rotary machine, said lifting tool being inserted between the rotary shaft (54) and a bearing stand (2) which surrounds at least the lower part of the outer circumference of the rotary shaft (54). This lifting tool (1) for a rotary shaft (54) has a pedestal (8) that is supported by the inner circumferential surface (2a) of the bearing stand (2), and a jack part (9) that is provided between the pedestal (8) and the outer circumferential surface of the rotary shaft (54), and that expands/contracts in the radial direction. The size of the pedestal (8) in the radial direction is smaller than the gap between the rotary shaft (54) and the bearing stand (2) in the radial direction, and a rotor bearing (10) having a cylindrical surface corresponding to the outer circumferential surface of the rotary shaft (54) is provided between the jack part (9) and the rotary shaft (54). Multiple support members (11) oriented in a direction other than the direction of the jack part (9) are provided on the rotor bearing (10).

Inventors:

YAMASUE SHINGO (JP)
KATAOKA MASAHITO (JP)
MORIMOTO HITOSHI (JP)

Application Number:

PCT/JP2014/065229

Publication Date:

December 18, 2014

Filing Date:

June 09, 2014

Export Citation:

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Assignee:

MITSUBISHI HITACHI POWER SYS (JP)

International Classes:

F01D25/16; B66F7/10; B66F17/00; F01D25/00; F16C41/04

Foreign References:

JPS5351349A	1978-05-10
JP2011021541A	2011-02-03
JP2504127Y2	1996-07-10
JPS587800U	1983-01-19
JP2012062872A	2012-03-29
JPS587800U	1983-01-19

Other References: