The main function of UHVDC test line was introduced, and the technic scenarios was put forward, including the length of test line, the configuration and function for the gantry tower, the anchor tower, the polarity-converting tower and the terminal tower, the selection and parameters for the size of draught conductor, jumping wire style, hardware, and insulator and other installations.
介绍了特高压直流试验线段的主要功能，提出了特高压直流试验线段的技术方案，主要包括试验线段长度、门型构架、锚塔、换极性塔和终端塔的结构型式和功能、引流线尺寸、跳线方式、金具、绝缘子以及主要设备的选型和参数。
Successful contractor of the Company in Jiangsu province 300 tons of the new century shipyard dock large gantry cranes installed during the manufacturing, electronics factory of the Ministry of Industry sentinel plant, to Users with various models of single-beam specifications 1 ton crane - 20 tons of dual-beam cranes five tons - 400 tons of manual, electric, single-beam, dual-beam bridge, gantry, the column, suspended, the tower Cranes, loading machines, portal cranes, tire-packing machine, and other series.
本公司已成功承造了江苏省新世纪造船厂300吨船坞大型龙门起重机的制造安装过程，本厂系电子工业部定点生产厂，可向用户提供各种型号规格单梁起重机1吨--20吨、双梁起重机5吨--400吨手动、电动、单梁、双梁桥式、龙门式、定柱式、悬挂式、塔式起重机、装船机、门座起重机、轮胎式装箱机系列等系列。
Construction Machinery: backhoe, bulldozer, ford tractors, construction equipment, dump trucks, welding equipment, excavators, tractor trailer, cnc machines, welding machines, gantry crane, tower crane, chain hoist, electric hoist, concrete pump
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Gantry crane, loading/unloading bridge, portal crane and tower crane are big lifting appliances with large windward area, usually working in open air and subject to wind lead.
门式起重机、装卸桥、门座起重机和塔式起重机等大型设备一般都在露天工作，迎风面积大，承受较大的风载荷。