| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a conveyor frame from being deteriorated by a falling mineral from a return side belt while reducing labor and cost required for the maintenance of the conveyor frame. <P>SOLUTION: In this a belt conveyor 1, a pair of rollers 11 and a conveying belt 13 wrapped around the pair of rollers 11 in an endless manner are supported by the conveyor frame 3. The conveyor frame 3 has a plurality of chord members 31 arranged at both sides of the conveying belt 13 along the traveling direction thereof and a cross member 35 laid between the chord members 31 below the conveying belt 13 at both sides thereof. A receiving member 51 for receiving the mineral A falling from the lower surface of the return side belt 13b is arranged only below a return roller 17 that supports the return side belt 13b of the conveying belt 13 and above a structure plane 36 surrounded by the cross member 35 and the chord members 31 at both sides thereof. <P>COPYRIGHT: (C)2012,JPO&INPIT |
