Patent ID: 11919040
Assignee: BEIJING INSTITUTE OF TECHNOLOGY
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A control device for reducing and homogenizing welding residual stress by acoustic wave, which controls welding residual stress generated in welded parts during welding, the control device comprising:
a fixing tool having two rows of through holes;
a plurality of ultrasonic transducers each having a body and a conical horn transmitting portion at a lower end of the body, wherein lower ends of the horn transmitting portions are fixedly connected with flanges; and
a driving device for driving the ultrasonic transducers to operate,
wherein the horn transmitting portions of the ultrasonic transducers extend respectively into the respective through holes of the fixing tool to be in contact with the welded parts below the fixing tool, the flanges are fixed to the fixing tool by bolts, and the two rows of through holes are arranged both sides of a welding seam of the welded parts, and
wherein sleeves are disposed between the horn transmitting portions and the flanges, the horn transmitting portions are fixed to the sleeves by bolts, and the sleeves are fixedly connected to the flanges.