Upper cover device of sanitation truck

The utility model discloses a sanitation truck upper cover device which comprises a carriage body, a feeding hopper is integrally formed on the top of the carriage body, two hinges are fixedly connected to the top of the feeding hopper, the other sides of the two hinges are jointly and fixedly connected with an upper cover plate, and two upper cover bent pipes are fixedly connected to the outer wall of the top of the upper cover plate. The other end of the upper cover bent pipe is connected with an ejector rod through a shaft pin, two guide rails are fixedly connected to the outer wall of one side of the carriage body, a rollover device trolley is connected between the two guide rails in a sliding mode, one side of the rollover device trolley is fixedly connected with a rollover device lifting lug, and the rollover device lifting lug is connected with the ejector rod through a shaft pin. According to the utility model, the rollover device trolley is lifted upwards to drive the rollover device lifting lug to m