Titanium alloy pipe welding inert gas protection device
The utility model discloses a titanium alloy pipe welding inert gas protection device which comprises a protection cover of an annular structure, a welding assembly installation hole (17) is formed in the middle of the protection cover, the protection cover is partially disconnected to form a weldin...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a titanium alloy pipe welding inert gas protection device which comprises a protection cover of an annular structure, a welding assembly installation hole (17) is formed in the middle of the protection cover, the protection cover is partially disconnected to form a welding operation area (18), an open type gas guide pipe installation groove is formed in the inner wall of the protection cover in a surrounding mode, and the gas guide pipe installation groove is communicated with the welding assembly installation hole (17). An air guide pipe (5) is installed in the air guide pipe installation groove, an air inlet pipe (52) of the air guide pipe extends out of the protective cover, an air hole (511) is formed in the groove wall, facing the air guide pipe installation groove, of an air supply pipe (51) of the air guide pipe, and the cross sectional area of the air supply pipe is not larger than two thirds of the cross sectional area of the air guide pipe installation groove. According t |
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