Bionic crucian sucker robot

The bionic crucian carp suction cup robot comprises a cabin body, a head cover is fixedly arranged on the front portion of the cabin body, and a rear cover is fixedly arranged on the rear portion of the cabin body; a supporting seat is arranged at the top of the cabin body, a suction cup mechanism is arranged on the supporting seat, the suction cup mechanism comprises a suction cup main body, an area defined by the suction cup main body is an adsorption area, a rib plate embedded in the suction cup main body is arranged on the adsorption area, and a resistance increasing unit is arranged on the rib plate; an electromagnetic valve is arranged at the bottom of the suction cup body, a through hole is formed in the rib plate, and an output port communicated with the through hole is formed in the electromagnetic valve. A first propeller is fixedly arranged on the rear cover; a sinking and floating device is further arranged at the bottom of the cabin body. The water purification device can be effectively adsorbed