Sewage treatment device for garbage transfer truck

The utility model belongs to the technical field of garbage transfer trucks, and discloses a sewage treatment device for a garbage transfer truck, which comprises a sewage collecting tank, a bearing seat is rotatably connected to the rear part of the sewage collecting tank, a driving machine is fixedly connected to the rear end of the bearing seat, and the driving machine is meshed with the sewage collecting tank. The driving machine comprises a fixing frame, a switch, an elastic piece, a push button, a stepping motor and a worm, the fixing frame is fixedly connected to the outer end of the stepping motor, the switch is fixedly connected to the lower end of the fixing frame, the elastic piece is fixedly connected to the lower end of the switch, the push button is fixedly connected with an operation button of the switch, and the lower end of the elastic piece is in movable contact with the push button. According to the garbage transfer truck, sewage dripping in gaps is collected through the sewage collecting t