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1975年夏天,我们安装一台南京衡器厂生产的DZ-20型地秤,使用四年后,检定合格。经六年使用,称煤32万吨后再次检定,计量性能尚好。该秤之所以能够长期保持较好的计量性能而六年未曾修理,除了制造质量较好之外,主要原因就是在安装方面采取了五项改进措施。一、确保四个第一杠杆支点刀承高度一致,两个第二杠杆支点刀承高度一致,六根杠杆分别在两个水平位置,是保证受力均衡、减少四角差的重要手段。为了使四角水平一致,对七个支点座的基础分两次浇铸。 1.根据地脚螺钉的长度和铸铁支点座底面的大小做好模板,在平板上把地脚螺钉和铸
In the summer of 1975, we installed a DZ-20 type weighing scale produced by Nanjing Weighing Plant. After four years of use, the test passed the test. After six years of use, weigh 320,000 tons of coal after the test again, measurement performance is good. The scale has been able to maintain good long-term measurement performance and six years without repairing, in addition to better manufacturing quality, the main reason is that the installation has taken five improvements. First, to ensure that the four first lever fulcrum knife bearing the same height, two second lever fulcrum knife bearing the same height, respectively, six levers in two horizontal positions, is to ensure the force balance, an important means to reduce the four corners. In order to make the four corners of the same level, the base of the seven fulcrum seat casting in two. 1. According to the length of the ground screw and cast iron fulcrum seat bottom surface of the size of the template, the plate on the ground screws and cast