Track tubular belt conveyor with locking vehicle

The invention discloses a track tubular belt conveyor with a locking trolley, and relates to the technical field of belt conveyors, the track tubular belt conveyor comprises a guide rail, a window type carrier roller, a locking device, an unlocking device, the locking trolley and a roller, a conveying belt moves along the guide rail and the roller, the locking trolley moves along the guide rail, the conveying belt sequentially penetrates through the window type carrier roller and the locking trolley, and the locking trolley is arranged on the roller. The window type carrier roller restrains the conveying belt to be in a circular tube shape, the locking trolley is provided with a locking device, and the unlocking device and the locking device control opening and closing of the locking device so as to control the shape of the conveying belt. According to the rail car type tubular belt conveyor, the locking trolley can independently surround the conveying belt to be in a circular pipe shape, so that auxiliary me