High-reliability pool bottom cleaning vehicle

The utility model discloses a high-reliability pool bottom cleaning vehicle. The utility model belongs to the technical field of cleaning vehicle devices. The device comprises a connecting pipe, a cover plate, a cart plate and a water suction pump, a valve body is fixedly mounted on the cover plate; the upper surface of the valve body is connected with the connecting pipe; a chassis is fixedly mounted below the cover plate; a sensing module is fixedly mounted on the chassis through screws; the other end of the connecting pipe is connected with a waste water pump; a threaded pipe is mounted atthe other end of the waste water pump; the other end of the threaded pipe is fixedly connected with a water suction pump; a water pump base is fixedly mounted below the water pump; a fixing piece is installed on the outer side of the water pump base through screws. The problems that the use range and area of a sewage suction machine are limited due to the fact that a main machine part of an existing pool bottom cleaning m