| 摘要 |
PURPOSE: A device for protecting the trolley of a conveyor belt is provided to prevent the departure of a trolley from a rail by connecting an anchor to a connecting unit when tension is removed due to the disconnection of a belt conveyor. CONSTITUTION: A buoyancy preventing roll(200) of a trolley(1) is installed below a rail. Plural connecting units(110) are formed on the rail. An anchor frame(10) having a shaft(30) is installed in the rear end of the trolley. A weight roller(20) is combined to the upper portion of a belt conveyor(3), and an anchor(100) is formed in the lower portion of the belt conveyor. When the belt conveyor is disconnected, the weight roller falls down. Then, the anchor is connected to the connecting unit. Therefore, the departure of the trolley from the rail is avoided.
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