Ground chain cover plate connecting structure

The invention discloses a ground chain cover plate connecting structure. The ground chain cover plate connecting structure aims to overcome shortcomings that heated ground chain cover plates are expanded under stress when ground chains of spray coating drying rooms are used, the ground chain cover plates are arched, each two adjacent ground chain cover plates can be easily dislocated relatively, lower bolts of process vehicles are jammed and safety accidents are caused. The ground chain cover plate connecting structure comprises a ground chain support and a plurality of ground chain cover plates. The ground chain cover plates are connected onto the ground chain support and are spliced with one another in an end-to-end manner, a buffer plate is arranged between each two adjacent ground chain cover plates, buffer plate oblique planes are arranged on two sides, which are close to the corresponding ground chain cover plates, of each buffer plate and are inwardly obliquely arranged from top to bottom, a front obli