BUCKET FOR CLOSED CONDUIT

摘要

PURPOSE: An underdrain bucket is provided to remove silted deposit since a bucket body is contacted with the silted deposit and to discharge the silted deposit after penetrating an underdrain without an operator. CONSTITUTION: An underdrain bucket comprises a main body (100), a rotary plate, a hinge (300), and a wire (400). The rotary plate is vertically rotated on the both ends of the main body; and a wire moves the main body and the rotary plate. The main body is changed according to the shape and size of the underdrain. A rear side fixing unit is formed on the upper part of a rear side rotary plate, and connected to the wire.