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A DOUBLE ARM DUST REMOVING MACHINE INCLUING A RAKE CAPABLE TO UNFOLD
A DOUBLE ARM DUST REMOVING MACHINE INCLUING A RAKE CAPABLE TO UNFOLD
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机译：双臂除尘机，包括可展开的耙子
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摘要
Provided is a double arm dust separator having a collapsible rake which can smoothly unfold a rake even though a rake operating cylinder is not mounted at a rake installation position, which has the rake stretched in harmony with an expansion action of a multistage boom bar, which makes the rake operate smoothly during the process to remove impurities caught to a screen, and which can prevent deformation, damages and noises of relevant components. The double arm dust separator which includes a screen mounted on a waterway and having a plurality of slits formed up and down and a multistage boom bar which is expanded while lowering from a frame mounted at the upper side of the waterway and contracted while ascending in order to clear away the impurities caught to the screen comprises: a rake which is joined to the lower end of the lowermost boom bar and which has a plurality of forks respectively inserted into the slits of the screen and protruding from the front end thereof; and interval forming rollers each of which is mounted at the lower side of the rake, each of which comes into rolling contact with the screen, of which the rolling face is wider than the slit of the screen, wherein the interval forming rollers are respectively mounted at both side ends of the rake, the front end of the rolling face of the interval forming roller is located in front of the rear end of the forks but in the rear of the front end of the fork and to get in rolling contact with the screen, such that the depth that the fork is inserted into the slit of the screen is restricted.
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