冲击机构的工作。电动机1(图1)的旋转借行星齿轮传动装置2传给套筒3。在套筒3的内表面的两个轴上有两个滚子4。滚子把同冲击锤制造在一起的轮缘5夹在中间。冲击锤被定心在轴套7内的心轴 Impact agencies work. Rotation of the motor 1 (FIG. 1) is transmitted to the sleeve 3 via the planetary gear 2. On both axes of the inner surface of the sleeve 3 there are two rollers 4. The rollers sandwich the rim 5, which is made with the hammer, in the middle. The hammer is centered on a mandrel inside the sleeve 7