在采油作业中,由于光杆中心和盘根盒中心位置的偏差,导致光杆对盘根的偏磨,加剧了盘根的磨损速度,缩短了盘根的使用寿命。井口自动调节装置,利用它可以自动调节盘根盒和光杆的中心位置,消除光杆对盘根的偏磨,减少了更换盘根的次数。井口自动调节装置其特点在于底盘和压盘通过螺 In oil recovery operations, due to the deviation between the center of the polished rod and the center of the packing box, partial wear of the polished rod on the packing root is exacerbated and the wearing speed of packing is increased, which shortens the service life of the packing. Wellhead automatic adjustment device, it can be used to automatically adjust the center position of the packing box and the polished rod to eliminate polished rod partial wear on the packing, reducing the number of replacement packing. Wellhead automatic adjustment device is characterized by the chassis and pressure plate through the screw