Generous remind you jib crane safety risks, reduce the appearance of heavy machinery accidents in Henan Province, Ltd. specializes in cranes, bridge cranes, gantry cranes, all kinds of electric hoist crane, single girder bridge crane, grab crane, Crane parts. Now it tells you that part of the crane is likely to cause an accident. 1 crane metal structure itself factors 1.1 1.1 1 crane arm is not straight. Straightness general arm should be controlled within arm's length of 1/500. 1.1 2-plane perpendicular to the axis of the tower crane degree margin of error. Vertical error should not exceed the theoretical position offset 0.3 1.1 3 axis can not be too big boom, boom length is generally not more than 1/1000. 1.1. 4 bolts or rivets not loose. Structural features single-beam crane electric hoist or manual monorail car along the main girder beam bottom flange run carried material handling, wall line jib cranes, normally used for workshops, warehouses and other material handling, 10t fixed jib crane, which does not allow for manual single girder crane electricity or no power supply applications. With motor grab or grab the monorail can be used for bulk material handling. Short electric hoist electric hoist is a small light lifting equipment. Electric hoist with a small, jib cranes crane price, light weight, simple operation, easy to use features for industrial and mining enterprises, wide water jib crane, storage terminals and other places. Weight is generally from 0.1 to 80 tons, lifting height 3 to 30 meters. It consists of motor, transmission and rolls or sprockets, divided into wire rope and chain two kinds. Pilasters jib crane, jib crane wide water, provided by the generous generous heavy Ltd Henan heavy machinery. Heavy Machinery Co., Ltd., Henan Province, generous (www.hnqizhongshebei.com) (www.hnqizhongshebei.com) strong, credible, in Zhengzhou, Henan engineering, construction crane industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving generous innovative ideas will lead into the brilliant heavy and you work for a better future!