bridge gantry crane,overhead crane,garbage grab crane

Overhead crane is Hengjia in workshops, warehouses and empty field for material lifting material lifting equipment. Because of its ends located in the tall concrete pillars or metal bracket, shaped like a bridge. Overhead crane overhead bridge along the laying of tracks on both sides longitudinally running, you can take advantage of the space under the bridge lifting material from ground equipment obstacles. It is the most widely used, the largest number of a lifting machinery.

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2013年7月29日星期一

Gantry crane rope classification

According gantry crane  rope twist to classify the following situations:
(1) interactive twist rope
Rope twist and shares the contrary, it is commonly used wire rope, rope and shares themselves as loose twist opposite trend, offset each other, did not reverse the trend of knotting, easy to use. According rope twist, and twist the right and left, respectively, twist rope. Gantry crane used right lay rope.
(2) in the same direction twist rope
Rope twist and shares the same with their own twist and reverse the trend of loose, easy to tie. As better flexibility. Typically used with a rigid rail traction. bridge gantry crane  rope recently in the manufacturing process with pre-distortion method, after the elimination of the self into a rope loosely twisted phenomenon. This rope is also known not loose rope.
(3) mixed-twist rope
Half of stocks left, the other half share dextral. The rope used in the overhead gantry crane  less.

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