Explosion-proof lithium battery power box convenient to maintain

The utility model discloses an explosion-proof lithium battery power box convenient to maintain, which comprises a bottom plate, reinforcing nodes, protective ribs, a fixing rod, an explosion-proof box, a supporting plate, a cover plate, a plugging plate, a supporting rod, a fastening bolt, a guide rod, a guide plate, a sliding sleeve and a sealing ring, the explosion-proof box is arranged on the bottom plate, the supporting plate is arranged at the upper part of the explosion-proof box, and the cover plate is arranged at the lower part of the explosion-proof box. A plurality of fixing rods are arranged on the outer side wall of the explosion-proof box, two sets of protection ribs are arranged between every two adjacent fixing rods, the two ends of each protection rib are connected with the two corresponding fixing rods respectively, the protection ribs in the same set extend upwards in an inclined mode, the extension directions of the two sets of protection ribs are opposite, the two sets of protection ribs