The utility model relates to a car coupler protection device in a car washing state and a car washing
system. The coupler protection device comprises a protection cover and a displacement driving mechanism, the protection cover is provided with a working position and a non-working position, and the protection cover can protect a coupler at the working position; the displacement driving mechanism is in driving connection with the protection cover and drives the protection cover to be switched between the working position and the non-working position. In the car washing scene, the protective cover is located at the working position, and at the moment, the protective cover covers the car coupler. A coupler is usually coated with
grease, and in the car washing process, if the
grease of the coupler is stained on bristles of an end
brush of car washing equipment, the
grease can be transferred to the end face of a
train along with the bristles of the end
brush, and the end face of the
train is polluted. The car coupler is covered by the protective cover, so that the situation can be effectively prevented. Therefore, the area near the coupler is not interfered during car washing and can be thoroughly cleaned. And the overall
train cleaning effect is improved, neatness of the appearance of the train is guaranteed, and the positive effect on running safety of the train is achieved.