The utility model belongs to the technical field of
transformer substation maintenance, and particularly relates to a
transformer substation inspection and maintenance inspection device which comprises a base, wheels and hydraulic supporting feet installed at the bottom of the base, a
traction frame and a hydraulic
station installed on the base, a top face of the base connected with the bottom end of an adjusting mechanism, and a top end of the adjusting mechanism connected with the bottom face of an
elevator. A controller and a monitoring mechanism are further installed on the bottom face of the lifter, a moving mechanism is arranged on a lifting table of the lifter and comprises two parallel fixing plates, supporting wheels are connected into the fixing plates in a rolling mode and installed on the bottom face of a
workbench, and a self-locking
assembly and a driving motor are arranged on the
workbench. The driving motor is in transmission connection with the self-locking
assembly, the self-locking
assembly is meshed with the rack, and the rack is installed on a lifting platform of the
elevator. The
horizontal angle of the
elevator is changed by automatically controlling the length of the adjusting mechanism, the
workbench can stably move to the two sides of the elevator under
safe driving of the self-locking assembly, and the overhaul range is effectively enlarged.