The invention relates to a hydraulic pump, particularly relates to a plunger pump, which comprises a swash plate, a bearing, a slipper, a retainer plate, piston, cylinder, shaft, pump body, valve plate and piston, piston in cylinder, bearing as radial supporting cylinder, a return disc forced sliding plane motion in the swash plate to drive the piston for reciprocating motion in the telescopic cylinder hole of the cylinder body, the oil suction action, drive shaft by a spline hole and the bearing support in the cylinder, the plunger length and diameter ratio from 4 to 3.5, a variable piston variable mechanism of diameter 45 mm from the original reduced to 32 mm, in the pump body is provided with an oil inlet and an oil outlet; the oil inlet of the inlet aperture ratio of the oil outlet outlet diameter. The invention is light in weight, small in size and low in noise.
【技术实现步骤摘要】
【技术保护点】
一种柱塞泵,它包括斜盘(1)、轴承(2)、滑履(3)、回程盘(4)、柱塞(5)、缸体(6)、传动轴(7)、泵体(9)、配油盘(10)及变量活塞(11),柱塞(5)置于缸体(6)中,轴承(2)作为缸体(6)的径向支撑,回程盘(4)强迫滑履(3)在斜盘(1)上作平面运动,带动柱塞(5)在缸体(6)的缸孔中作伸缩往复运动,实现吸排油动作,传动轴(7)由缸体(6)中的花键孔及轴承(8)支撑,其特征在于:将柱塞(5)的长度与其直径之比由原来的4减至3.5,变量机构的变量活塞(11)的直径由原来的45毫米减至32毫米,在泵体(9)上设有进油口(12)、出油口(13);其中进油口(12) ...
【技术特征摘要】
【专利技术属性】
技术研发人员:粟武洪,施国民,
申请(专利权)人:邵阳维克液压有限责任公司,
类型:发明
国别省市:43[中国|湖南]
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