JPS61131606U

JPS61131606U -

Info

Publication number: JPS61131606U
Application number: JP1457185U
Authority: JP
Priority date: 1985-02-04
Filing date: 1985-02-04
Publication date: 1986-08-16

Description

[Brief explanation of the drawing]

第１図は本考案実施例を示す正面図、第２図は
本考案実施例の管端直角度測定状況を示す正面図
、第３図は本考案の測定原理を説明する模式断面
図、第４図は管端直角度を説明する正面図、第５
図は従来の管端直角度測定方法を示す断面図であ
る。２……鋼管、４……管端面、６……レバー、８
……ストツパー、１０……アーム、１２，１２―
１，１２―２……マイクロメーター。 Fig. 1 is a front view showing an embodiment of the present invention, Fig. 2 is a front view showing the pipe end perpendicularity measurement situation of the embodiment of the invention, Fig. 3 is a schematic sectional view explaining the measurement principle of the invention, Figure 4 is a front view explaining the tube end perpendicularity, Figure 5
The figure is a sectional view showing a conventional method for measuring tube end squareness. 2...Steel pipe, 4...Pipe end surface, 6...Lever, 8
...Stopper, 10...Arm, 12,12-
1,12-2...micrometer.

Claims

[Scope of utility model registration request]

A linear lever that comes into contact with the end of the steel pipe during measurement, a stopper provided perpendicularly to one end of the lever, an arm provided perpendicularly to the other end of the lever, and a fixed interval on the arm. 2. A steel pipe end squareness measuring device, comprising: two micrometers that are attached to the steel pipe and measure the distance to the steel pipe.