JPS645795U

JPS645795U -

Info

Publication number: JPS645795U
Application number: JP9825587U
Authority: JP
Priority date: 1987-06-26
Filing date: 1987-06-26
Publication date: 1989-01-13

Description

[Brief explanation of the drawing]

第１図は本考案の治具を装着した状態を示す図
、第２図は第１図の側面図、第３図は第１図に示
す治具の展開図、第４図は第３図と同様であるが
別の実施例を示す図、第５図は更に別の具体例を
示す治具の側面図、第６図は別の形状の治具を示
す第２図と同様の図、第７図は別の形状の被溶接
物を示す第２図と同様の図、第８図は公知の例を
示す突合せた管の端部斜視図、第９図は別の公知
の治具を示す図、第１０図は更に別の治具を示す
表面図ａ及び使用状態図ｂである。符号の説明、１０，１２：管、１４，１６：脚
、１８：連結部、２０：鉄板、２２，２４：管、
２６：治具、２８：開口、３０：ボルト、３２：
孔、３４：治具、３６，３８：孔、４０：開口、
４２：治具、４４：蝶番。 Figure 1 is a diagram showing the jig of the present invention installed, Figure 2 is a side view of Figure 1, Figure 3 is a developed view of the jig shown in Figure 1, and Figure 4 is the figure 3. Fig. 5 is a side view of a jig showing yet another specific example; Fig. 6 is a view similar to Fig. 2 showing a jig of another shape; Fig. 7 is a view similar to Fig. 2 showing a workpiece of a different shape, Fig. 8 is a perspective view of the end of butted pipes showing a known example, and Fig. 9 is a diagram showing another known jig. The figure shown in FIG. 10 is a surface view (a) and a usage state diagram (b) showing still another jig. Explanation of symbols, 10, 12: pipe, 14, 16: leg, 18: connecting part, 20: iron plate, 22, 24: pipe,
26: Jig, 28: Opening, 30: Bolt, 32:
hole, 34: jig, 36, 38: hole, 40: opening,
42: Jig, 44: Hinge.

Claims

[Claims for Utility Model Registration] (1) A centering welding jig that surrounds the ends of a pair of pipes, aligns them so that they are in a straight line, and welds their ends together. 2, which adjustably supports each of the opposing pipe ends.
A centering welding jig comprising a series of bolt rows and an opening for welding work formed between the bolt rows. (2) The jig according to claim 1, wherein each of the two rows of bolts comprises at least three bolts. (3) The jig according to claim 1 or 2, wherein the positions of the bolts in the two bolt rows are opposite to each other. (4) The jig according to claim 1 or 2, wherein the positions of the bolts in the two bolt rows are different from each other. (5) The jig according to claim 1 or 2 or 3 or 4, wherein the jig is divided into at least two parts. (6) The jig according to claim 1, 2, 3, 4, or 5, wherein the jig is rectangular. (7) The jig according to claim 1, 2, 3, 4, 5, or 6, wherein the pair of tubes is circular. (8) The jig according to claim 1, 2, 3, 4, 5, or 6, wherein the pair of tubes has an elliptical shape. (9) The jig according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the pair of pipes are rectangular.