Smithwelding combination formula obtuse frog

The utility model discloses a smithwelding combination formula obtuse frog belongs to railway switch technical field, it by the stock rail, forge the fork heart, heart rail, group's rail, interval iron, bolt group, just fill up, locking side's pad constitutes, its structure does: heart rail is the track setting symmetrical relatively of two symmetries, is the angle after two heart rails make up 18 55'29 ", two heart rail front end intercepting length 120mm, the fork heart after will forging uses the flash welding connection to weld the basal orbit front end of heart rail, heart rail symmetry in overall structure sets up, the relative 286mm of two sets of heart rail point, and does the rail set up the angle is 161 for stock rail and group 4'31 ", the flangeway distance between group's rail and the stock rail is 47mm, fill up and install in the web of the rail of group's rail the side, and the bolt of bolt group passes the bolt -up of helping rail, stock rail, heart rail, interval iron, stock rail, group's rail