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目前煤田测井采用的绞车,因其提升速度不匀,造成相同煤质的同一煤层及相同岩层在不同深度上的不同异常反映。这一假像给资料解释及分析研究造成一定困难,影响了测井成果质量。采用恒速绞车则可以消除这种影响,从而提高测井质量。同时,为了符合测井规程对提升速度的要求,使用目前的绞车,在时间上也造成了一定的浪费。如采用恒速绞车就可以克服这一缺点,提高效率。为此,在石家庄煤矿机械厂产的CJ—1000型绞车基础上,经过改进设计了本机械恒速
At present, the winch used in coalfield well logging has different abnormalities in different depths of the same coal seam and the same rock formation of the same coal quality due to uneven lifting speed. This illusion has caused some difficulties in data interpretation and analysis, affecting the quality of logging results. Using a constant speed winch can eliminate this effect and improve logging quality. In the meantime, in order to meet the logging speed requirements, the use of current winches also caused some waste in time. Such as the use of constant speed winch can overcome this shortcoming, improve efficiency. To this end, based on the CJ-1000 winch produced by Shijiazhuang Coal Mine Machinery Factory, the mechanical constant speed