为了解决抽油机井口与光杆的对中问题,我局钻采设备研究所试采设备研究室介绍过一种锥形法兰连接防喷盒(详见本刊1975年第8期第75页——编者),在水平方向有8毫米的调节余地。但对某些光杆与井口偏差较大的井,仍不能解决盘根的偏磨问题。我矿采油七队、八队和六队的采油工人,为了更好地解决盘根偏磨问题,在这种法兰连接防喷盒的基础 In order to solve the pumping wellhead and polished rod alignment problems, I Bureau Mining Equipment Research Institute test equipment introduced a conical flange connection spray box (see Journal, No. 8, 1975, page 75 - Editor), there is room for adjustment in the horizontal direction of 8 mm. However, for some wells with well deviation from the well, still can not solve the partial wear of the packing problem. I mining oil seven teams, eight teams and six teams of oil production workers, in order to better solve the partial root packing problem in this flange to connect the basis of spray box