Battery module upper cover assembly and battery module

The utility model discloses a battery module upper cover assembly and a battery module, and the upper cover assembly comprises an upper cover which is provided with a plurality of clamping holes; the support plate covers the battery cell group, and a plurality of clamping columns corresponding to the plurality of clamping holes are arranged on one surface, deviating from the battery cell group, of the support plate; the clamping column comprises a column body and a column cap arranged at the top of the column body; when the upper cover covers the support plate, the column cap and the column body sequentially penetrate through the clamping holes, and the bottom of the column cap abuts against the top of the upper cover to achieve stopping. Therefore, the clamping holes in the upper cover are matched with the clamping columns on the support plate in an inserted mode, the upper cover can be rapidly assembled on the support plate, and the assembling efficiency is high. According to the upper cover assembly of the