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1974年我院在哈尔滨汽轮机厂技术改造设计中,曾采取改造吊车的措施以提高老厂房的起重能力,取得了显著的效果。当时,该厂的铸钢车间熔化工段设有2台30T级的吊车,需改为50T级的;铸铁车间清理工段设有2台10T级吊车,需改为20T级的;其他几个车间也需要提高起重能力。该厂要求在不停产、基建投资少的前提下,进行这些老厂房原有吊车的技术改造工作。为此,我院与该厂合作,先在铸铁车间清理工段试点。若以起重机厂生产的L_K=16.5m的20T级双主梁吊车(自重为25.3T,轮压为18T)去替换铸铁车间清理工段原有的10T级吊车,不但吊车
In 1974, in the technical transformation and design of Harbin Steam Turbine Works, our institute had taken measures to reconstruct the crane to improve the lifting capacity of the old factory and achieved remarkable results. At the time, there were two 30T-class cranes in the melting section of the steel plant of the plant, which needed to be changed to 50T; two 10T cranes were installed in the clean section of the cast iron workshop, and they needed to be changed to 20T; several other workshops were also Need to improve lifting capacity. The plant requires the technical transformation of the original cranes of these old buildings under the premise of not stopping production and investing in infrastructure. For this reason, our institute cooperated with this factory and first piloted it in the clear cast of the cast iron workshop. If the 20T-class double girder crane (weight 25.3T, wheel pressure 18T) produced by the crane factory with L_K = 16.5m is used to replace the existing 10T crane of the clear cast iron section of the cast iron workshop, not only the crane