TORQUE FLUCTUATION REDUCING DEVICE IN DRIVING SYSTEM

摘要

PURPOSE: To reduce torque fluctuation of a drive shaft. CONSTITUTION: By 1-cycle 360 deg. rotating a drive shaft 31 of a drive mechanism 13, a pair of lift frames is 1-cycle lifted alternately in a different direction by a prescribed stroke. A main gear 41 is fixed to the drive shaft 31. A driven shaft 42 is arranged parallelly to the drive shaft 31. A driven gear 43 is fixed to the driven shaft 42. The main gear 41 is meshed with the driven gear 43. Gear ratio of the main gear 41 to the driven gear 43 is set to 2:1. An arm 44 is fixed to the driven shaft 42. A piston rod 46 of a fluid pressure cylinder 45 is connected to a point end part of the arm 44. An operating fluid of the fluid pressure cylinder 45 is held to a fixed pressure.