Electrified overlap joint specialized tool of column switch

The utility model discloses an electrified overlap joint specialized tool of column switch, including roof, bottom plate, the curb plate of connection between roof and bottom plate, the inner wall ofroof, bottom plate and curb plate encloses the synthetic chamber that holds that holds the pile head that goes between, and the curb plate is the U template two dull and stereotyped and arcs that parallel, the one end of two flat boards is connected with the arc other end and forms the opening that the intercommunication holds the chamber and the external world, be provided with first mounting groove and the second mounting groove keeping supplying the lead wire pile head and pass through on roof and the bottom plate respectively, all the open -ended orientation with the curb plate is the samefor the orientation of the notch of first mounting groove and second mounting groove, the cover that shields that is provided with the locating convex block on the roof and shields first mounting groove top, the constant head