大庆油田井下特种设备修理厂在服务过程中大力开展技术革新和生产工艺改造活动,实现了“小技改解决生产大难题”的良好效果。这个厂近期承修的几台修井机游车大钩出现了一个共性的故障。经过维修人员认真排查,发现导致修井机游车大钩损坏的主要原因是由于游车大钩的锁销提帽过长、大钩下钻时速度过快,油管和大钩下降速度不一致,极易造成大钩轴颈弯曲和大钩碰撞锁销而发生 Daqing Oilfield underground special equipment repair shop in the service process to vigorously carry out technological innovation and production process transformation activities, to achieve “small technical innovation to solve production problems ” good effect. The recent plant repair several rig rig hook appeared a common fault. After careful investigation of maintenance personnel and found that the main reason leading to workover rig hook damage is due to the hook hook long hatchback hook, hook speed too fast, the tubing and the hook is not the same speed of decline, Very easy to cause the hook jig bending and hook collision lock occurred