Lug support, vehicle suspension and vehicle

The utility model provides a lug support, comprising a base plate, back wall, upper wall and two lateral walls, be equipped with round pin axle hole on the bottom plate, the upper wall is equipped with and sells the round pin axle outer hole that a hole corresponds, round pin axle hole is located the front side of back wall, be equipped with the breach on the bottom plate of round pin axle hole front side, be equipped with a plurality of mounting hole that is used for the bottom plate fixed on the bottom plate of the round pin axle hole left and right sides, bottom plate connection zone between a plurality of mounting hole of the round pin axle hole and the left and right sides constitutes the atress concentrated area of bottom plate, the breach of round pin axle hole and front side, bottom plate connection zone between the back wall of rear side constitutes the non - concentrated area of atress of bottom plate, be equipped with the fretwork part on the non - concentrated area of at least partial atress. The lug support has realized through set up the fretwork part on atress non - concentrated area that subtracting of lug support is heavy, is favorable to alleviateing the whole car weight volume of machineshop car, has saved the material moreover, is favorable to reduction in production cost. The utility model provides a vehicle suspension and the vehicle that have this lug support.