| 摘要 |
A distributing and spreading device for treating a soft ground by using air is provided to reduce working hours, and to improve efficiency and reliability by extending the spreading range of sand with injecting air and evenly distributing a sand spreading area. A compressor(14) is installed in a heavy equipment for spreading sand by telescoping a belt conveyor unit to produce compressed air, and an air pipe(20) is connected to the compressor and installed to an end of the belt conveyor unit. Branch pipes(22a,22b) are installed and placed in upper and lower parts of a spreading impeller(16), and injection nozzles(24a,24b) are installed in the branch pipes with different injection angles to regulate the spreading angle and the spreading range in spreading sand. A second branch pipe(28) is installed from the branch pipe to a center of the spreading impeller, and second injection nozzles(26a) are formed in the second branch pipe. Plural injection holes(28) are arranged radially in the spreading impeller and opposed to the second injection nozzles. |
