Correcting device for C-shaped trolley of online strip steel welding machine

The utility model discloses a correction device for a C-shaped trolley of an online strip steel welding machine, which comprises two positioning blocks, an adjusting block and a plurality of positioning pins, the two positioning blocks are respectively fixed at corresponding positions on two C-shaped trolley bodies, at least two first positioning holes are respectively arranged on the two positioning blocks along the vertical direction, and a plurality of second positioning holes are respectively arranged on the two positioning blocks along the vertical direction. Second positioning holes matched with the first positioning holes are formed in the adjusting block, and the positioning pins are inserted into the first positioning holes and the corresponding second positioning holes respectively. The utility model has the beneficial effects that the two positioning blocks are respectively provided with at least two first positioning holes along the vertical direction, the adjusting block is provided with second p