The reverse gear adopts the design of short teeth , which can decrease the lock probability , and reverse restrictive is adopted to avoid shift reverse when reverse shift from 5th position 倒档齿轮采用短齿设计,有效降低锁止比,同时采用倒档锁机构,避免了摘五档误入倒档,提高安全性。
The rotary transmission case can achieve forward , reverse gear , which is fit for catching & revolving operation of different kinds of drill pipe ; reactive torque release device ensure drill pipes deformation releasing safety in the well drilling process 转盘传动箱可实现正、倒档,适用各种钻杆扣旋转作业,反扭矩释放装置保证钻井过程中钻杆变形能安全释放。
On a steam locomotive, the reversing gear is used to control the direction of travel of the locomotive. It also adjusts the cutoff of the steam locomotive.