JPH0228905U

JPH0228905U -

Info

Publication number: JPH0228905U
Application number: JP10207788U
Authority: JP
Priority date: 1988-08-02
Filing date: 1988-08-02
Publication date: 1990-02-23

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示した正面図、第
２図は第１図の切断線Ａ―Ａに沿う断面平面図、
第３図は従来の技術の一例を示した正面図、第４
図は同じく平面図である。１…ボイラ主配管、２…腕部、３…球支持部材
、４，５…鋼球、６，７…球受架溝、８…固定物
。 FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a cross-sectional plan view taken along cutting line A--A in FIG. 1,
Figure 3 is a front view showing an example of the conventional technology;
The figure is also a plan view. DESCRIPTION OF SYMBOLS 1...Boiler main piping, 2...Arm part, 3...Ball support member, 4, 5...Steel balls, 6, 7...Ball receiving groove, 8...Fixed object.

Claims

[Claims for Utility Model Registration] 1. A ball support member fixed to an arm welded in a direction perpendicular to the longitudinal direction of the boiler main piping,
The ball support member has balls that are partially exposed and rollably embedded in the vicinity of both end faces in the longitudinal direction of the ball support member, and that the exposed part of the one ball and the flat surface thereof are provided. One ball holder groove is fixed to a fixed object by making point contact with the other ball, and the other ball holder is fixed to a fixed object by making point contact with the exposed part of the other ball. characterized by having a bridge groove,
Boiler main piping restraint. 2. The boil main piping restraint according to claim 1, wherein the balls are made of steel balls and the ball receiving frame is made of H-shaped steel.