Stable and reliable coke guide grid locking device of coke barrier car

The utility model discloses a stable and reliable locking device for a coke guide grid of a coke barrier car, belongs to the technical field of coke barrier car equipment, and is used for locking the coke guide grid of the coke barrier car. According to the technical scheme, a locking bolt is connected to the front end of an oil cylinder push rod of a locking oil cylinder, a main limit switch and an auxiliary limit switch are additionally arranged on the locking bolt, and the main limit switch and the auxiliary limit switch are each composed of a main contact, a main limit opening limit, a main limit closing limit, an auxiliary contact and an auxiliary limit. A main contact and an auxiliary contact are respectively fixed at the rear end of the locking bolt, the main limit opening limit and the main limit closing limit are arranged on the coke barrier car main body frame, and the auxiliary limit is arranged on the locking pin shaft. The coke guide grid locking device is simple in structure and convenient to us