| 摘要 |
Consisting of a vehicle on which is mounted a tank for water and another for detergents, and two articulated arms, one in the upper part and another on a side, with rising and rotary movements, at the ends of which there are rectangular frames with cylindrical brushes mounted on central shafts coincident with the larger dimension. Flexible pipes (hoses) convey water to the rear frame and detergent to the front frame, for irrigation of the surfaces to be cleaned, and to a vertical pipe on the front of the vehicle on the side for preliminary sprinkling. A hydraulic system moves the arms when they rise and a pneumatic system moves them when they rotate, and the same hydraulic system serves for individual motors in the shafts of the brushes. The engine of the vehicle or another, auxiliary engine provides power to the whole assembly.
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