The utility model relates to a both guaranteed the safe, firm and stable of switch blade heel end, be convenient for again installation and the quick tram switch blade heel end structure who dismantles, platen are located the backing plate, and stock rail flange of rail face inserts in platen bottom one side pushes down bolt opening, and it is even as an organic whole with stock rail and platen that the bolt passes bolt hole in the boss of platen one side upper portion, interval iron and stock rail rail body bolt hole, switch blade flange of rail face inserts the inboard tongue inslot of platen opposite side upper portion boss and card solid face in tongue groove matches with switch blade flange of rail facial features, and in the locating pin caulking groove at locating pin embedding platen middle part and locating pin side is closely leaned on with switch blade flange of rail face side mutually, and the bolt passes the locating pin and connects the screw thread hole to connect soon with bolt in the platen to fix locating pin and platen. The advantage: both guaranteed the safe, firm and stable of switch blade heel end, quick the dismantling of being convenient for again, the efficiency of construction is high.