Led display box transport cart

An LED display box transport cart, comprising:

• a transport frame and wheels detachably and rotatably connected to the bottom of the transport frame;
• wherein the transport frame comprises a chassis, an upper cover and two side covers symmetrically arranged between the chassis and the upper cover, the chassis is provided with an arcuate groove with an upward opening;
• the arcuate groove includes a groove body, and a first edge and a second edge symmetrically disposed at the opening of the groove body, the first edge extends toward the second edge to form a groove edge;
• a position at a lower end of the side cover facing the arcuate groove is provided with a hook, the hook comprises a rectangular plate and a circular arc plate, the circular arc plate is rotatably connected in the arcuate groove, the circular arc plate comprises a first straight edge, a second straight edge and an arcuate edge which are connected end to end, the lower edge of the rectangular plate is fixedly connected on the second straight edge, the arcuate edge is in sliding contact with the inner wall of the groove body, and the first straight edge can abut against the lower surface of the groove edge;
• the upper end of the side cover is detachably connected with the upper cover.