Watering cart manhole cover pressing device

The invention discloses a watering cart manhole cover pressing device, and relates to the technical field of special vehicle making. The device comprises a support fixed to a tank body, a rotating pressing rod is arranged on the support, the rotating pressing rod is provided with a rotating rod part and a pressing head mounting block in right-corner connection with the rotating rod part, a pressing head for pressing a manhole cover is arranged on the pressing head mounting block, one end of the rotating rod part is hinged to the support through a first pin shaft, the other end of the rotatingrod part is connected with a pressing rod, the pressing rod is provided with a pull rod part hinged to the rotating rod part and a handle part in angle connection with the pull rod part, the includedangle between the pull rod part and the handle part is the obtuse angle, a connecting rod is hinged to the connecting position of the handle part and the pull rod part, and the connecting rod is hinged to the support through a