【摘要】 介绍了对日本三井2m矿用液压绞车噪声的测试方法,对测试结果进行了频谱分析,指出液压泵是主要的噪声源,并提出降低液压绞车噪声的若干措施。更多还原

【Abstract】 This paper introduces the mean with which the noises of 2m mine hydraulic winch made in Japan is measured. Frequency-spectrum analysis is done for the results. It is pointed out that hydraulic pump is the main source of noises. The means for decreasing the noises of a hydraulic winch are offered also.更多还原