Lifting methods a tower crane lifting: lifting capacity of 3 ~ l00T, arm length at 40 ~ 80m, used in a fixed place of use, long life cycle of the occasion, more economical. Generally stand-alone operation, but also dual-lift crane. Second, the bridge crane lifting: lifting capacity of 3 ~ 1000T span of 3 ~ 150m, easy to use. Mostly plant, using the workshop, usually stand-alone operation, but also dual-lift crane. Third, truck crane hoisting: telescopic hydraulic lifting capacity of 8 ~ 550T arm length at 27 ~ 120m; there are steel arm, lifting capacity at 70 ~ 250T arm length of 27 ~ 145m flexible .... Easy to use. Can be single, dual lifting, but also multi-machine lifting. Four, crawler cranes lifting: lifting capacity from dozens of tons to thousands of tons. Arm up to hundreds of meters long; medium and small weights can hoist walking long flexible, easy to use, life cycle, more economical. Can be single, dual lifting, but also multi-machine lifting. Lifting operations are described in the main command gesture handling equipment to the scene, commanding officer is the core work of the entire transport. Because the field is often handling equipment machines roaring, Suzhou removal company if carried by voice command is restricted construction lifting equipment, so the equipment handling commanding officers to use more gesture command. Lifting operations "ready" gestures: arms straight, fingers spread, the country head, palms facing forward. The gesture means of lifting equipment has been ready, the lifting operation is about to begin. "To the main hook" gesture: a fist with one hand, on the head, and the head light look. The gesture meant to be the main driver of the crane hook. "Hook up", "hook down" gesture: the upper lateral arm straight, rotate the wrist lifting equipment, which means that require drivers to lift hook up; arm toward the front side, rotating the wrist, which means require drivers fall hook. "Stop" sign: horizontal arm in the chest, palms down. This means that a stop command to the driver, including stopping and parking hook. "Lift arm", "arm down" gesture: straight arm to the side, thumb up, swing up the factory lifting equipment, extremely lift arm. Conversely action lifting equipment, namely lower arm. "Cranes" forward gestures: arms scoliosis, back and forth movement of the chest to do, is required of the crane slowly forward. Similarly here, if the arms are pushed out, for the requirements of the crane back. Industrial equipment lifting _ Shandong Lu trusted (authenticated) _ Boshan lifting equipment provided by Shandong Lu mechanical equipment installation Limited. Shandong Lu Machinery Installation Co., Ltd. (www.sdlzqz.com) Shandong Jinan, industrial maintenance, installation of leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Lifting leadership in Shandong Lu staff warmly welcome all inquiries negotiations to create Shandong Lu lifting a better future.