| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a reversible two-stage transmission capable of always transmitting power to a traveling mechanism from a reversible power source (motor), and capable of freely switching advancing/retreating and high speed/low speed during traveling as a reduction gear for a small unmanned traveling vehicle. <P>SOLUTION: This reversible two-stage transmission is provided with a planetary gear reduction gear 10, an electromagnetic clutch 20 electromagnetically connecting and disconnecting an output shaft 2 of a driving device 1 and an internal gear 16 of the planetary gear reduction gear, and a mechanical clutch 30 capable of being mechanically switched between a locked state wherein the internal gear is fixed unrotatably and a free state wherein the rotation is free. The planetary gear reduction gear 10 is provided with a sun gear 12 having an input shaft connected to the output shaft 2 of the reversible driving device 1; a plurality of planetary gears 14 meshed with the sun gear; the internal gear 16 meshed with the planetary gear; and a carrier 18 retaining the planetary gear rotatably around its axis, rotating around an axis identical with the input shaft, and connected to an output shaft 19. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
