Design advantages: 1. double girder bridge crane bridge crane's first cellular beam design and construction, with a light weight, load bridge cranes specifications, strong wind resistance and other characteristics. 2. Unique steel pin connection, not only solid and reliable, and short assembly time. 3. flexible rod legs, turning the site into a single piece removable, easy to transport. 4. The minimum capacity to solve the problems of electricity field construction. (6) The controller for each pair of contacts is good, whether the normal opening and closing sequence required, the controller is abnormal transmission gear. (7) Identify the crane to go on stage really no idlers, no legacy tools, electrical devices are placed in the normal position, and then close the power switch bridge crane weight and start cranes. (8) Check the brakes working conditions, even if the brake shoes and brake wheel clearance. (9) test agencies end limit switch is flexible, normal. (10) Test all safety switch operation is flexible, normal. If (11) Cranes agencies drive normal, with or without abnormal noise. 50 t crane, generous heavy (certified), Jieyang bridge crane provided by generous heavy machinery Co., Ltd., Henan Province. Heavy Machinery Co., Ltd., Henan Province, generous (www.hnqizhongshebei.com) is Zhengzhou, engineering, construction cranes leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In heavy generous leadership with the staff warmly welcome all inquiries negotiations to create a better future for heavy generous.