The utility model provides a construction vehicle of transformer substation assists instrument of going, the mounting rack comprises a first fixing plate and a second fixing, one side of first fixed plate is articulated with one side of second fixed plate, the opposite side installation rotor plate of first fixed plate, one side of rotor plate is articulated with first fixed plate, one row bead is lined up to the outside installation several of first fixed plate, the interior side -mounting slide rail of first fixed plate, the upper portion installation cushion of second fixed plate, the upper portion installation jack of cushion, the ejector pin tip installation running roller of jack, the running roller can cooperate with the slide rail, the bottom of rotor plate sets up the rubber pad. The utility model discloses a rotor plate can be taken on the dental calculus of way to further avoid tire and way dental calculus to damage. The utility model discloses a rotor plate and the contact of way dental calculus rigidity can be avoided to the rubber pad. The quilt cover provided by the utility model is simple and compact in structure, is low in cost, and is quick and convenient for application.