Transformer substation lifting device

The invention relates to the technical field of substation maintenance equipment, in particular to a substation hoisting device which comprises a vehicle body, a manned mechanism, a hoisting mechanism and a slewing bearing mechanism. The slewing bearing mechanism comprises a first slewing mechanism, a slewing platform, a second slewing mechanism and a third slewing mechanism; the rotary platform is rotationally mounted on the vehicle body through a first rotary mechanism; the manned mechanism and the hoisting mechanism are rotationally mounted on the rotary platform through the second rotary mechanism and the third rotary mechanism respectively; the first slewing mechanism comprises a driving assembly, a supporting chassis and a driven gear; the driven gear rotationally sleeves a center rod of the supporting chassis; the driving assembly is provided with a driving gear in meshing transmission connection with the driven gear; each of the second slewing mechanism and the third slewing mechanism comprises a moto