Snow removing device and snow removing assembly

The embodiment of the utility model provides a snow removing device and a snow removing assembly, and relates to the technical field of traffic rail deicing equipment. The snow removing device comprises a rack, a trundle assembly and a snow removing assembly. The trundle assembly is installed on the rack and comprises a trundle, a first connecting piece and an adjusting piece, the first connecting piece is installed above the trundle, and the first connecting piece is arranged on the rack in a penetrating mode. When the adjusting piece is in the unlocking state, the rack can move in the vertical direction relative to the first connecting piece, and when the adjusting piece is in the locking state, the adjusting piece locks the first connecting piece and the rack. The snow removing assembly is installed on the machine frame and used for removing snow. The trundle assembly in the snow removing device is provided with the adjusting piece and the first connecting piece. The height of the machine frame relative to