EXCAVATING UNIT WITH EXCAVATING AND FORWARD-STEPPING FUNCTIONS AND UNDERWATER DREDGING APPARATUS USING THE SAME UNIT

摘要

According to embodiments of the present invention, it include: a kind of channel shaped cavities includes building flooring element cap unit covering floor unit that dredger, which is used to dig out the underwater floor of silt, each has a puncturing hole; Excavate unit include through-hole floor unit that axis is horizontally arranged at bottom plate can rotate and multiple wing elements are attached to the surface of axis to certain distance at certain intervals; The excavation unit that power unit is used to apply rotary power to vertical shaft; Multiple pipes are placed in row and surround the floor bottoms unit for excavating element cell and at certain intervals to certain distance to stretch vertically downward; Along the chamber of the edge cells of bottom plate and multiple pipelines are surrounded vertically downward with outer wall tensile. ;The 2015 of copyright KIPO submissions