JPS62186003U

JPS62186003U -

Info

Publication number: JPS62186003U
Application number: JP7463986U
Authority: JP
Priority date: 1986-05-20
Filing date: 1986-05-20
Publication date: 1987-11-26

Description

[Brief explanation of the drawing]

第１図は本考案の平面図、第２図は第１図のＡ
―Ａ矢視図、第３図は第１図のＢ―Ｂ矢視図、第
４図は従来の求芯点の求め方についての説明図、
第５図は従来の軸芯見通しの説明図である。図中、１はアーム、２はシヤフト、３，３′は
パイプ、４は固定金具、５はホルダ、６は締付ボ
ルト、７はベース板、８はマグネツト、９は貫通
孔、１０は基準孔、１１は基準円板、１２はボル
ト、１３はユニバーサルジヨイント、１４は台、
１５はネジ、１６はスケール取付台、１７はスケ
ール、１８は止ネジ、１９はハンドル、Ｐは管を
示す。 Figure 1 is a plan view of the present invention, Figure 2 is A of Figure 1.
- A view from the arrow A, Figure 3 is a view from the B-B arrow in Figure 1, and Figure 4 is an explanatory diagram of the conventional method of determining the centripetal point.
FIG. 5 is an explanatory diagram of the conventional shaft center perspective. In the figure, 1 is an arm, 2 is a shaft, 3 and 3' are pipes, 4 is a fixing metal fitting, 5 is a holder, 6 is a tightening bolt, 7 is a base plate, 8 is a magnet, 9 is a through hole, and 10 is a standard hole, 11 is a reference disk, 12 is a bolt, 13 is a universal joint, 14 is a stand,
15 is a screw, 16 is a scale mount, 17 is a scale, 18 is a set screw, 19 is a handle, and P is a pipe.

Claims

[Scope of utility model registration request]

a base plate; at least three extendable and retractable arms arranged radially outward from the base plate; a magnet fixed to the center of the base plate; and a magnet mounted on the upper surface of the magnet. at least three or more bolts provided on the base plate so as to come into contact with the outer periphery of the reference disk, a universal joint removably connected to the upper surface of the reference disk, and the universal A centering device for a cylindrical structure, comprising a rod-shaped scale connected to the other end of a joint.