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发明公开
EP2236395A1 Connection structure of tube-shaped frames, corresponding method and vehicle body 有权
VerbindungsstrukturfürRohrformige Rahmen，Herstellungsverfahren und Fahrzeugrahmen。

Connection structure of tube-shaped frames, corresponding method and vehicle body
摘要：
A first split-bracket 6 is joined to a first tube-shaped frame 2 by laser welding. A second split-bracket 8 is joined to an end portion of a second tube-shaped frame 4 by the laser welding. The second tube-shaped frame 4 equipped with the second split-bracket 8 is assembled to the first tube-shaped frame 2 equipped with the first split-bracket 6. A second flange 606 of the first split-bracket 6 and a second flange 806 of the second split-bracket 8 are joined temporarily by spot welding. The second flange 606 of the first split-bracket 6 and the second flange 806 of the second split-bracket 8 are joined by continuous welding with laser welding. Accordingly, the tube-shaped frames can be connected properly without forming any hole at a wall of the tube-shaped frame, ensuring the rigidity of the connection portion of the tube-shaped frames.
摘要（中）：

第一分割支架6通过激光焊接连接到第一管状框架2。 第二分割支架8通过激光焊接连接到第二管状框架4的端部。 配备有第二分割支架8的第二管状框架4组装到配备有第一分割支架6的第一管状框架2上。第一分割支架6的第二凸缘606和第二凸缘806 的第二分割支架8通过点焊暂时接合。 第一分割支架6的第二凸缘606和第二分割托架8的第二凸缘806通过激光焊接的连续焊接而接合。 因此，管状框架可以适当地连接，而不会在管状框架的壁处形成任何孔，确保管状框架的连接部分的刚性。

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