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谐波液压马达是一种新型的大转矩多作用液压马达。具有发展前途的这类液压马达,适用于在低转速下能产生大转矩的不带减速器的机械。现将谐波液压马达的作用原理简述如下(图1)。油液经过配流轴和油缸体的油路,进入相应的柱塞下部,使柱塞径向移动,顶住柔轮的内壁。带有两个滚子的支架与配流轴刚性连接,两个滚子位于柔轮变形的波峰处,在该处柔轮的齿完全嵌入刚轮的齿槽内,而在另两个相反的地方,它们的齿完全脱离啮合。由于支架的中心线和配流轴压力油孔错开α角,因此在柱塞腔内的压力油推动柱塞,同时也引起柔轮的不断变形,使变形的波峰移到新的位置,于是使支架和配流轴也跟着转动。然后压力油又进入下一个柱塞组,使柔轮变形的波峰产生新的位移等等。由于刚轮齿数Z_(?)与柔轮
Harmonic hydraulic motor is a new type of high torque multi-action hydraulic motor. Promising hydraulic motors of this type are suitable for machines without gear units that produce high torques at low speeds. Now the principle of harmonic hydraulic motor is summarized as follows (Figure 1). Oil through the distribution axis and cylinder body oil into the lower part of the corresponding plunger, so that the plunger radial movement, to withstand the flexible wall. The bracket with two rollers is rigidly connected to the flow distribution shaft and the two rollers are located at the crest of the flexspline where the teeth of the flexspline are fully embedded in the tooth spaces of the sprocket and in the other two opposite places Their teeth are completely disengaged. Since the center line of the bracket and the pressure port of the distribution shaft are offset by the angle α, the pressure oil in the plunger chamber pushes the plunger and also causes the continuous deformation of the flexible wheel to move the deformed peak to a new position, so that the bracket And with the distribution axis also followed rotation. Then the pressure oil and then into the next group of plungers, so that the deformation of the flex wheel to generate a new displacement and so on. Due to the number of just teeth Z_ (?) And the flexible wheel