| 摘要 |
PROBLEM TO BE SOLVED: To provide a tacking structure of a frame and an assembling method thereof, capable of shortening work time, by enabling tacking work of the whole frame structure by manual work, without a reinforcing material and a new plant and equipment investment, in an assembling structure of the frame for joining the mutual frames by welding.SOLUTION: A first frame 1 having a cross section of a U shape and arranging notches 4 and 5 and claw-shaped projection parts 8-11 on a side surface, and a second frame 2 having a cross section of a U shape, projecting a side surface end part and provided with engaging holes 14-17 engaging with the claw-shaped projection parts 8-11, are tacked by engaging in a T shape. The assembling structure for the frame is applied to the whole train air-conditioning system frame structure. |
