| 摘要 |
<p>PURPOSE: A grating joint device of a sulfur polymer concrete drain is provided to prevent grating from escaping and being stolen by simply and firmly joining the grating with a drain main body. CONSTITUTION: A grating joint device of a sulfur polymer concrete drain comprises a drain main body (10), steel plate grating (20), a joint member (30), and a fastening bolt (40). The drain main body is made of sulfur polymer concrete. The steel plate grating is mounted on the top of the drain main body and comprises a joint hole (20a) and a plurality of drain holes (22). The joint member is equipped with a screw hole (32) and is hung to hanging grooves (14a,16a) formed inside the left and right sidewalls (14,16) of the drain main body. The fastening bolt is inserted into the insertion hole of the grating to fasten with the screw hole of the joint member.</p> |
