Topic Structure is simplified, the head for the sand sucking up which can suck up the deposit of the silt easily is offered.SolutionsIt possesses the computer 1 which displays falling down conical form, lap in the wall between the top and bottom end faces aforementioned itself from above to under the channel 11 which width reduces gradually is provided in large number. Cutting section 12 of rectilinear condition is formed between the channels 11 where it adjoins, the perforation hole 13 which penetrates completely the top and bottom end face aforementioned itself has established on the median aforementioned itself. Absorption flexible pipe 20 of the sand sucking up device is jointed to the hollow axis 14 which formed the aforementioned perforation hole. The deposit is disconnected finely by the aforementioned cutting section, is sucked up in the absorption operation operation to the above-mentioned absorption flexible pipe through the perforation hole. Choice figure Drawing 1
展开▼
