Modularized garden operation vehicle

The modular garden operation vehicle comprises a vehicle water storage tank, a pair of arc-shaped rack plates are fixedly arranged on one side of the vehicle water storage tank, a matching gear is connected to each arc-shaped rack plate in a meshed mode, a rectangular connecting rod is arranged between the two matching gears, and matching rods are rotationally arranged at the two ends of the rectangular connecting rod; the ends, deviating from each other, of the two matching rods penetrate through the corresponding matching gears and are fixedly connected with the corresponding matching gears, and irrigation adjusting mechanisms are arranged between the two matching rods and the vehicle water storage tank. A fixing shaft is arranged between the rectangular connecting rod and the vehicle water storage tank, the fixing shaft is fixedly sleeved with a meshing gear, and a reciprocating swing mechanism is arranged between the meshing gear and the vehicle water storage tank. According to the working vehicle, automa