Dead-corner-free cleaning and collecting equipment for carriage

The invention discloses carriage dead-corner-free cleaning and collecting equipment, belongs to the field of train carriage cleaning equipment, and aims to solve the problem that an existing train cleaning machine does not have the excess material collecting capacity. Comprising a walking device, a lifting device, a sweeping device and a collecting device. The lifting device comprises a lifting frame, and lifting driving devices are arranged at the front part and the rear part of the lifting frame; the lifting frame is connected with the walking device, the sweeping device and the collecting device are vertically arranged on the front portion and the rear portion of the lifting frame in a sliding mode respectively, and the output ends of the two lifting driving devices are connected with the collecting device and the sweeping device in a one-to-one correspondence mode respectively. According to the train open compartment excess material collecting and sweeping device, the mode that the collecting device and t