JPH0434634U

JPH0434634U -

Info

Publication number: JPH0434634U
Application number: JP7437590U
Authority: JP
Priority date: 1990-07-16
Filing date: 1990-07-16
Publication date: 1992-03-23

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面構成図、
第２図は第１図の−線断面図、第３図は振動
計測プローブを傾けた状態を示す断面構成図、第
４図は従来例を示す概略構成図である。１……ロータ、２……回転翼、３……内車ケー
シング、４……外車ケーシング、５……振動計測
プローブ、６……レーザ発振器、７……光フアイ
バ、８……光電変換器、９……振動計測装置、１
０……伸縮管、１１……第１の球面軸受、１２…
…第２の球面軸受、１３……内側ガイド管、１４
，１７……固定ナツト、１５……孔、１６……外
側ガイド管、１８……パージ用ナツト、１９……
パージ溝、２０……サポート管、２１……ねじ、
２２……第１の筒体、２３……第１のフランジ、
２４……第２の筒体、２５……第２のフランジ、
２６……第３の筒体、２７……第３のフランジ、
２８……接続ねじ孔、２９，３０……Ｏリング。 FIG. 1 is a cross-sectional configuration diagram showing an embodiment of the present invention;
FIG. 2 is a sectional view taken along the line -- in FIG. 1, FIG. 3 is a cross-sectional configuration diagram showing a state in which the vibration measurement probe is tilted, and FIG. 4 is a schematic configuration diagram showing a conventional example. DESCRIPTION OF SYMBOLS 1... Rotor, 2... Rotating blade, 3... Inner car casing, 4... Outer car casing, 5... Vibration measurement probe, 6... Laser oscillator, 7... Optical fiber, 8... Photoelectric converter, 9... Vibration measuring device, 1
0... Telescopic tube, 11... First spherical bearing, 12...
...Second spherical bearing, 13...Inner guide tube, 14
, 17...fixing nut, 15...hole, 16...outer guide tube, 18...purge nut, 19...
Purge groove, 20...Support pipe, 21...Screw,
22...first cylindrical body, 23...first flange,
24... second cylindrical body, 25... second flange,
26...Third cylindrical body, 27...Third flange,
28... Connection screw hole, 29, 30... O ring.

Claims

[Scope of utility model registration request]

a vibration measurement probe disposed at the tip of the telescopic tube; a pair of spherical bearings disposed on the vibration measurement probe at a predetermined distance; and a first spherical surface of these spherical bearings disposed on the telescopic tube side. an inner guide tube with an eccentric inner diameter for fixing a bearing; and a second spherical bearing on the tip side of the vibration measurement probe, which is formed with an eccentric inner diameter, and a second spherical bearing on the tip side of the vibration measurement probe and the inner guide tube on the eccentric side. A vibration measuring device comprising: an outer guide tube, a rotation means for rotating the inner guide tube, a rotation means for rotating the outer guide tube, and a purge means for spraying gas onto the tip of the probe. .