| 摘要 |
PURPOSE: A drum for a conveyor is provided to prevent the twist of a shaft which is rotated by the weight of rock concentrated in a central portion. CONSTITUTION: A drum for a conveyor comprises a shaft(100), a middle rotating unit(200), and two-side rotating units(300). The middle rotating unit comprises a first hollow tube(220) which is provided in the middle portion of a shaft, a bearing(240) which is coupled between the shaft and the first hollow tube, and a first rubber tube(260) which covers the exterior of the first hollow tube. The two-side rotating units comprise second hollow tubes(320) which are respectively provided on the left and right sides of the rotary shaft, supports(340) which are fixed between the shaft and the second hollow tubes, and second rubber tubes(360) which have an angled shape and cover the exterior of the second hollow tubes.
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