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为解决北京京城大厦185m超高层建筑施工中人员、物、料、设备的垂直运输问题,北京市设备安装工程机械厂研制了SCD200/200型250m超高层施工升降机并投入施工工地使用和工业考核,于1990年10月通过了北京市级鉴定,认为该产品接近国际同类产品的技术水平。设计任务馅规定SCD200/200型250m超高层施工升降机的架设高度应达到250m,载重量每笼2000kg,运行速度为0.68m/s。这些都显著地超出了当时国产升降机所能达到的性能指标。为此,驱动系统中的电动机
In order to solve the problem of vertical transportation of personnel, materials, materials and equipment in the construction of 185m super high-rise buildings in Beijing Jingcheng Building, the Beijing Equipment Installation and Construction Machinery Plant developed a SCD200/200 250m high-rise construction elevator and put it into construction site for use and industrial assessment. In October 1990, it passed the Beijing-level appraisal and believed that the product is close to the technical level of international products of the same kind. Design task filling requirements SCD200/200 type 250m high-rise construction elevator erection height should reach 250m, load capacity per cage 2000kg, running speed is 0.68m/s. These are significantly beyond the performance indicators that domestic elevators can achieve at the time. For this purpose, the motor in the drive system