WELD BEAD GRINDING DEVICE

PROBLEM TO BE SOLVED: To provide a weld bead grinding device capable of grinding an excess weld metal formed on a lower surface of a construction in an upward posture by speedy work by simple operation.SOLUTION: A weld bead grinding device 100 includes: a travelling cart 10; a lifting/lowering base plate 30 set in the travelling cart 10 so that it can be lifted and lowered; a Belton (R) grinding portion 40 set in the lifting/lowering base plate 30 in a freely tiltable manner; and a tilting mechanism 50 tilting the Belton (R) grinding portion 40. The tilting mechanism 50 includes a Belton support part 34 set in the lifting/lowering base plate 30, and supporting a tilting shaft 47 of the Belton (R) grinding portion 40 in a freely turnable manner; a lever handle 51 with a connection part 52 formed in one end connected to a grinding frame 41 of the Belton (R) grinding portion 40; a handle support part 35 set in the lifting/lowering base plate 30, and supporting a handle shaft 53 formed in the lever handle 51 in a freely turnable manner; and a grip portion 54 arranged in the another end of the lever handle 51.