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Fault Analysis Of Hoist
Nov 13, 2018

Lifting head wheel and bottom wheel drive shaft installation is not easy to cause hopper belt running deviation, the main form of expression is: the wheel and bottom wheel of the transmission shaft in the same vertical plane and not parallel; both drive shafts are installed in a horizontal position and are not in the same vertical plane; the two drive shafts are parallel, in the same vertical plane and not horizontal. After the above situation, the hopper belt running deviation, easy to cause the hopper and the barrel of the impact, hopper belt tearing.

In addition, lifting the head of the nose to withstand a large dynamic pressure, up to 100 tons or so, due to long operation inevitably in the bearing position of extrusion wear. Traditional methods to repair welding or brush plating after the processing of the machine, but there are some drawbacks: the thermal stress produced by the high temperature can not be completely eliminated, easy to cause material damage, resulting in bending or fracture of the components, and brush plating by the coating thickness limit, easy to peel off, and the above two methods are metal repair metal, can not change the The coordination relationship, under the combined action of each force, will still cause another wear and tear.

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