JPS62191986U

JPS62191986U -

Info

Publication number: JPS62191986U
Application number: JP8068886U
Authority: JP
Priority date: 1986-05-28
Filing date: 1986-05-28
Publication date: 1987-12-07

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す斜視図、第２
図は第１図の変形例で内圧負圧となる場合を示す
斜視図、第３図は第２図の変形例で蒸気タービン
真空排気管路用伸縮接手を示す斜視図、第４図は
第１図の変形例で取付けフランジのない管路用伸
縮接手を示す斜視図である。第５図は公知のベロ
ーズ型管路用伸縮接手の装備要領を示す側面図、
第６図は公知の制限ボルト付きベローズ型管路用
伸縮接手の装備要領を示す側面図である。１，１ｂ，１ｃ…ベローズ、２…配管、３，３
ｂ…フランジ、４，４ｂ，４ｃ…耳金、５，５ｂ
…制限ボルト、６，６ａ，６ｂ…ばね、７，７ａ
…座金、８，８ａ，８ｂ…ナツト、９…リミツタ
ー、９ａ…リミツトナツト、１０，１０ｃ…正圧
管路用伸縮接手、１０ａ…負圧管路用伸縮接手、
１０ｂ…蒸気タービン真空排気口用伸縮接手。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a perspective view illustrating a modification of FIG. 1 in which the internal pressure becomes negative, FIG. 3 is a perspective view illustrating an expansion joint for a steam turbine vacuum exhaust pipe in a modification of FIG. 2, and FIG. FIG. 2 is a perspective view showing a modification of FIG. 1 of a conduit expansion joint without a mounting flange. FIG. 5 is a side view showing the installation procedure of a known bellows-type expansion joint for pipes;
FIG. 6 is a side view showing how to install a known bellows-type expansion joint for pipes with a restriction bolt. 1, 1b, 1c...bellows, 2...piping, 3,3
b...Flange, 4, 4b, 4c...Lug, 5, 5b
...Limiting bolt, 6, 6a, 6b...Spring, 7, 7a
... washer, 8, 8a, 8b... nut, 9... limiter, 9a... limit nut, 10, 10c... expansion joint for positive pressure pipeline, 10a... expansion joint for negative pressure pipeline,
10b...Expansion joint for steam turbine vacuum exhaust port.

Claims

[Scope of utility model registration request]

A pair of front and rear flanges protruding from both ends of a conduit expansion joint, and a flange that is arranged around the expansion joint and is inserted through the outer periphery of both flanges in the axial direction at equal intervals in the circumferential direction. 1. An expansion joint for a conduit, comprising: a plurality of bolts that regulate upper and lower limits of the spacing; and a spring that is inserted over each of the bolts and applies a compressive force or a tensile force to both flanges.