Tramcar drainage structure

The utility model discloses a tramcar drainage structure, which comprises butterfly-shaped ditches with holes on two sides of a ballast bed, vertical curbs with holes, flat curbs, a grit chamber, a water collecting well and a drainage pipe, the butterfly-shaped ditches are arranged on two sides of a left track and a right track of a tramcar, and drainage holes of the butterfly-shaped ditches are connected with drainage holes of the vertical curbs; a water-collecting well and a grit chamber are arranged on the disc-shaped ditch as required and are respectively connected with a municipal catch basin through a drain pipe and a drain pipe. According to the utility model, the original road does not need to be excavated and damaged in a large scale, the catchment area of the medial strip is not changed on the basis of the fact that the original road drainage system is not changed, and due to the change of the right of way, the tramcar track engineering prevents the water in the medial strip from flowing to the stre