Explosion-proof box with detachable box cover

The utility model relates to the technical field of explosion-proof boxes of electrical equipment, in particular to an explosion-proof box with a detachable box cover. Comprising a box body and a box cover independent of the box body, a flexible bandage is arranged in the box body, one end of the bandage is fixed to the inner side face of the box body, and the other end of the bandage is detachably fixed to the edge of the lower surface of the box cover; the box body and the box cover are respectively provided with a flange extending outwards at the edge of a buckling gap, the box body flange and the box cover flange are provided with mutually aligned via holes, and bolts are arranged in the via holes to detachably connect the box body and the box cover; a through hole is formed in the box body flange and/or the box cover flange, a movable groove is formed in the position of the through hole of the box body flange and/or the box cover flange, an anti-disengaging piece is clamped at the position of a thread on