Trolley for overhauling transformer substation

According to the trolley for transformer substation overhaul, an overhaul tool box is fixed to the top of an overhaul trolley body, a connecting supporting table is fixed to the bottom of an inner cavity of the overhaul tool box, a first overhaul frame sleeve is hinged to the top of the connecting supporting table, and a second overhaul frame sleeve is fixedly connected through a pedal supporting plate; the top of the first overhaul frame sleeve and the top of the second overhaul frame sleeve are slidably sleeved with a first supporting rod and a second supporting rod respectively, a connecting screw cavity is formed in the side wall of the end, close to the second supporting rod, of the first supporting rod, a fastening clamping table is fixed to the side wall of the end, close to the first supporting rod, of the second supporting rod, and a pedal treading rod is horizontally arranged between the first supporting rod and the second supporting rod. When the device is in a maintenance state, other maintenance