JPS5861382U - Tube inner surface TIG welding torch - Google Patents

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

；　　　第１図は従来の管内面溶接トーチの横断面図、
第２図は管の管板溶接部の模式図、第３図は本章″　　
案の管内面溶接トーチの横断面図、第４図はシールドガ
スの流動性の状態を示す断面図である。 ゛　　　１・・・管、２・・・管板ミ３・・・タングス
テン電極、６１　　・・・センタガイド、１０・・・ガ
ス調整室、１２・・・フーイルタ、１３・・・調整リン
グ。; Figure 1 is a cross-sectional view of a conventional pipe inner welding torch;
Figure 2 is a schematic diagram of the welded part of the tube plate, and Figure 3 is from this chapter.
FIG. 4 is a cross-sectional view of the proposed pipe inner surface welding torch, and FIG. 4 is a cross-sectional view showing the state of fluidity of the shielding gas.゛ 1...Tube, 2...Tube plate, 3...Tungsten electrode, 61...Center guide, 10...Gas adjustment chamber, 12...Filter, 13...Adjustment ring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 管と管板との管内面からの溶接において、電極周辺から
シールドガスを均一に流出するために、電極下にガス調
整室を設け、前記ガス調整室に設けた複数の噴出孔から
トーチの周辺に向けてガスを流出する構成としたことを
特徴とする管内面ＴＩＧ溶接トーチ。　　　　　　　　
　　　　　　／−””’）During welding between a tube and a tube plate from the inner surface of the tube, a gas adjustment chamber is provided below the electrode in order to uniformly flow out the shielding gas from around the electrode, and a gas adjustment chamber is provided under the electrode, and the gas around the torch is provided through a plurality of nozzles provided in the gas adjustment chamber. A tube inner TIG welding torch characterized by having a configuration in which gas flows out toward.
/−””’)