JPS59121405U

JPS59121405U - Nut attachment/detaching device for turbine compartment

Info

Publication number: JPS59121405U
Application number: JP1436483U
Authority: JP
Inventors: 秀光佐藤; 岩瀬　宏夫
Original assignee: 株式会社日立製作所
Priority date: 1983-02-04
Filing date: 1983-02-04
Publication date: 1984-08-16

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の上半、下手車室結合部の断面図、第２図
は本考案のナツト支え装置の取付図、第３図は第２図の
■矢視図、第４図は本考案のナツト支え装置の外形図、
第５図は第４図の平面図、第６図は第５図の■−■矢視
断面図、第７図は第４図の■部詳細図である。１・・・高圧下半車室、２・・・高圧上半車室、３・・
・車室締付フランジ、４・・・両ネジボルト、５・・・
上半用ナツト、６・・・下半用ナツト。・お２図Figure 1 is a sectional view of the conventional upper and lower compartment joints, Figure 2 is an installation diagram of the nut support device of the present invention, Figure 3 is a view in the direction of the ■ arrow in Figure 2, and Figure 4 is the main body. Outline drawing of the invented nut support device,
5 is a plan view of FIG. 4, FIG. 6 is a cross-sectional view taken along the line ■--■ in FIG. 5, and FIG. 7 is a detailed view of the section ■ in FIG. 4. 1...High pressure lower half compartment, 2...High pressure upper half compartment, 3...
・Vehicle compartment tightening flange, 4...Double threaded bolt, 5...
Nut for the upper half, 6... Nut for the lower half.・Two figures

Claims

[Scope of Claim for Utility Model Registration] 1. A nut attaching/detaching device used for attaching the lower nut of the high pressure casing fastening flange of a steam turbine, which has a structure that allows the nut to be attached to the bolt without lifting it from above. A nut attaching/detaching device for a turbine casing, which is characterized by: 2. A nut attaching/detaching device for a turbine casing as set forth in claim 1 of the utility model registration claim, characterized by having a structure that allows a heavy object to be freely rotated in parallel and even in a narrow space.