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一、引言轴向柱塞泵的柱塞油缸在工作过程中不断地进行配流转换,充满低压油的油缸突然和高压腔接通时,缸中的油液会瞬间被压缩,引起强烈的液压冲击和噪声;同样,充满高压油的油缸突然和低压腔接通时,缸中的高压油瞬间向低压腔膨胀,释放出压力能,也会引起液压冲击和噪声。为了消除这种有害现象,从原理上讲,应将柱塞缸中的油液实行预压缩和预膨胀,使其压力和待接通的油腔压力相同时再接通,这样,因无压差,也就消除了液压冲击。对于
First, the introduction of the axial piston pump piston cylinder in the process of continuous work with the conversion, filled with low-pressure oil cylinder and high pressure chamber suddenly connected, the cylinder of oil will be instantly compressed, causing a strong hydraulic impact And noise; Similarly, high pressure oil filled cylinder suddenly and low pressure chamber connected, the cylinder of high pressure oil instantly to the low pressure chamber expansion, release of pressure energy, can also cause hydraulic shock and noise. In order to eliminate this harmful phenomenon, in principle, the plunger cylinder oil should be pre-compressed and pre-expansion, the pressure and the oil chamber to be connected to the same pressure and then connected, so that due to no pressure Poor, it eliminates the hydraulic impact. for