it must be manufactured in accordance with the elevator specification.

 it must be manufactured in accordance with the elevator specification. The specification requires a minimum diameter of the roll is drawn 35 times the rope diameter , which is in the choice of type and structure should be taken into account. Grain elevator car 's exterior features is having a hand wheel ( 20 ) , you can use it to complete the current is interrupted when lifting and lowering movement. To this end , the elevator must be installed in a manual brake release means which enables the tension of the brake spring against the brake current is interrupted.SWF 's new elevator winch from the weight of 500 kg slaughterhouse used by a winch is bolted by foot "U" shaped beam chassis electric hoist structure, it 's two points to both sides of the rope , Ken rope hanging from a beam ends ( 21 ) also known as lateral sliding winch winch is a standard type ( with a foot bolts ) , but there are two separate split a rope . Its two rope is wound on the reel so career : When a rope to relax, another rope around tight. Rope reel slot is continuous ( L or D ) . Each rope has a row of rope . Two parallel rows of rope attached , and make parallel movement ( 2 ) in the same direction with the longitudinal axis of the roll . Electric hoist with other machines, but also repair and maintenance. But unfortunately, the machine contrary , hoist repair and maintenance is often neglected , especially those where tetrahedrite occasional use of electric hoist . In addition, because it is hung aloft ( especially fixed suspension )