JPH0317553U

JPH0317553U -

Info

Publication number: JPH0317553U
Application number: JP7738989U
Authority: JP
Priority date: 1989-06-30
Filing date: 1989-06-30
Publication date: 1991-02-21

Description

[Brief explanation of drawings]

第１図は本考案の管内目視検査装置の詳細説明
図、第２図はその動力伝達機構の詳細説明図、第
３図は管内目視検査装置の使用例の概略図、第４
図は第２図のＡ−Ａ断面図、第５図は管内中心保
持機構の説明図である。１……光学系部材、１１……光学系外筒、１２
……内筒、１３……第２のモータ、１４……ニー
ドルベアリング、１５……スパーギア、１６……
インターナルギア、１７……ポテンシヨメータ、
１９……窓、２……管内目視検査装置、２１……
カメラ、２１０……光学筒、２２……カメラ軸、
２３……第１のモータ、２４……モータシヤフト
、２４′……コロ、２５……動力伝達機構、２５
１……光学筒カバー、２５２，２５３……光学筒
カバーキヤツプ、２６２……センター治具、２６
３……モータ固定部、２７……外筒、２７１……
外筒パネル、２８，２８′……駆動体（０リング
）、３……管内中心保持機構、３０……スライダ
ー、３１……ばね、３２……オイレスブツシユ、
３３……スリーブ、３４……中心管、３５……カ
バー、３６……コネクタパネル、３７……ロツド
ケース、３８……ねじ、４……管、５……ケーブ
ル送戻装置、５１……コネクタケース、５２……
押込みロツド、５３……コネクタケースパネル、
６……光フアイバーケーブル。 Fig. 1 is a detailed explanatory diagram of the pipe internal visual inspection device of the present invention, Fig. 2 is a detailed explanatory diagram of its power transmission mechanism, Fig. 3 is a schematic diagram of an example of use of the pipe internal visual inspection device, and Fig. 4 is a detailed explanatory diagram of the pipe internal visual inspection device of the present invention.
The figure is a sectional view taken along the line AA in FIG. 2, and FIG. 5 is an explanatory diagram of the tube center holding mechanism. 1... Optical system member, 11... Optical system outer cylinder, 12
... Inner cylinder, 13 ... Second motor, 14 ... Needle bearing, 15 ... Spur gear, 16 ...
Internal gear, 17... Potentiometer,
19... window, 2... pipe visual inspection device, 21...
Camera, 210... optical tube, 22... camera axis,
23... First motor, 24... Motor shaft, 24'... Roller, 25... Power transmission mechanism, 25
1... Optical tube cover, 252, 253... Optical tube cover cap, 262... Center jig, 26
3...Motor fixing part, 27...Outer cylinder, 271...
Outer cylinder panel, 28, 28'...driver (0 ring), 3...tube center holding mechanism, 30...slider, 31...spring, 32...Oiless bushing,
33... Sleeve, 34... Center tube, 35... Cover, 36... Connector panel, 37... Rod case, 38... Screw, 4... Tube, 5... Cable return device, 51... Connector case , 52...
Push-in rod, 53...Connector case panel,
6...Optical fiber cable.

Claims

[Scope of utility model registration request]

A camera 21 for visually observing the inside of the tube 4, drive bodies 28 and 28' for rotating the optical tube 210 of the camera 21 and adjusting the focal length, and a motor 23 provided along the long axis of the optical tube 210. , said first
a power transmission mechanism 25 that connects the motor 23 and the drive bodies 28, 28' via at least an elastic body;
, an optical member 1 located at the tip of the camera 21 and capable of viewing the inner wall of the tube 4 from the side; an optical system outer cylinder 11 for rotating the optical member 1; and an optical cylinder 210.
and a second motor 13 which is provided along the long axis of the optical system and rotates the optical system outer cylinder 11.