Anti-wear closed lead-acid battery assembly

The invention discloses an anti-wear closed lead-acid battery assembly in the technical field of lead-acid batteries, and the anti-wear closed lead-acid battery assembly comprises a shell and a sealing cover, threaded columns are mounted at four corners of the top of the shell, mounting holes are formed in four corners of the top of the sealing cover, the threaded columns penetrate through the mounting holes and are fixed through nuts, and a sealing groove is formed in the edge of the top of the shell. A sealing strip is installed at the edge of the bottom of the sealing cover, a positive female head and a negative female head are installed on the left side and the right side of the top of the shell respectively, a mounting plate is arranged in an inner cavity of the shell, a lead-acid battery is installed on the top of the mounting plate, and a negative sub head and a positive sub head are installed on the front side and the rear side of the top of the lead-acid battery respectively. A high-temperature-resis