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目前为止,计量工作仍然是露天矿山最薄弱的环节之一,生产统计日报是以车数计算矿岩产量的,用测量矿岩的体积来验证,这两者经常存在较大的误差,这种误差在10～20％。为此,我们经过多次试验,研制一种汽车翻斗自动记数器,经过500小时的工作和1900多次记数准确无误,既能控制每辆汽车装矿岩量,又能准确记录卸矿次数。现将工作原理介绍如下:
So far, the metrology work is still one of the weakest links in the open-pit mines. The daily production statistics calculate the ore-rock production by the number of vehicles, and the volume of the ore-rock is used to verify. There are often large errors between the two The error is 10 ~ 20%. To this end, we have tried many times to develop a car tipping automatic counter, after 500 hours of work and more than 1,900 counts accurate, both to control the amount of rock per vehicle ore loading, but also accurately record the unloading frequency. The working principle is introduced as follows: