由于技术限制,振动至今仍是直升机的固有特征,因对飞行安全和乘员舒适度都有较大影响,必须时时关注。本文主要介绍了已定型并投入使用的直升机在修理、维护和使用过程中如何科学地检测振动,并在此基础上给出了振动故障的排查思路和改进建议。 Due to technical limitations, vibration is still an intrinsic feature of helicopters to date. Due to the great impact on flight safety and occupant comfort, attention must be paid from time to time. This paper mainly introduces how to scientifically detect the vibration in the process of repair, maintenance and use of helicopters that have been put into shape and put into service, and on this basis, the troubleshooting ideas and suggestions for improvement are given.