| abstract |
The utility model belongs to the technical field of the road rail, especially, be a road rail is used in traffic engineering construction, including the breast board, the lower surface of breast board is connected with fixed establishment's last fixed surface, the upper surface and the circular slot fixed connection of breast board, the inside of circular slot with spray mechanism fixed connection, the upper surface and the baffle fixed connection of circular slot, the fixed surface of breast board is connected with the threaded rod, the one end and the screw cap threaded connection of threaded rod. The utility model discloses in, under the effect that sprays the mechanism, water passes through first pipeline, passes through under rotatory screw fixed connection at ring flange and steel pipe, makes to be linked together between the pipeline of circular inslot and the pipeline, under the effect of high pressure nozzle, sprays to the job site, and suppression dust flies upward, prevents the dust polluted environment who flies upward. |