JPS60170768U

JPS60170768U - Defect depth measuring device

Info

Publication number: JPS60170768U
Application number: JP5858184U
Authority: JP
Inventors: 小森　一郎
Original assignee: 日本工業検査株式会社
Priority date: 1984-04-23
Filing date: 1984-04-23
Publication date: 1985-11-12

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ａ、ｂは、この考案の欠陥の深さ測定装置の動作
原理を説明するために用いる側面図および平面図を示し
、第２図は、この考案の装置を設置する前の状態を示す
側面図であり、第３図および第４図は、設置した後の状
態を示す側面図および平面図であり、各図を通じて同一
部分は同一符号で表わされている。１・・・・・・鋼管、２・・・・・・欠陥、３・・・・
・・放射線じゃへい材、４・・・・・・放射線装置、５
・・・・・・フィルム、６゜６′・・・・・・ゴム片、
７・・・・・・跨架枠、８・・・・・・構枠、９・・・
・・・枢着部、１０・・・・・・前後及び上下微調整装
置。Figures 1a and b show a side view and a plan view used to explain the operating principle of the defect depth measuring device of this invention, and Figure 2 shows the state before installing the device of this invention. FIG. 3 and FIG. 4 are a side view and a plan view showing the state after installation, and the same parts are denoted by the same reference numerals throughout each figure. 1... Steel pipe, 2... Defect, 3...
...Radiation blocking material, 4...Radiation equipment, 5
...Film, 6゜6'...Rubber piece,
7...straddle frame, 8...straddle frame, 9...
... Pivot joint, 10... Front and rear and vertical fine adjustment device.

Claims

[Scope of utility model registration request]

a radiation device that emits radiation in the tangential direction of the outer surface of the steel pipe to be measured; and a radiation device installed at the position of the steel pipe to be measured;
A defect depth measuring device characterized by comprising an absorbing material having a surface that matches the outer shape of the steel pipe and absorbing radiation to the same extent as the absorption of radiation in the steel pipe.