Bailey pin pulling-out device and method

The invention provides a bailey pin pulling-out device and bailey pin pulling-out method. The bailey pin pulling-out device comprises a screw rod and a supporting frame; the supporting frame comprisesa supporting plate connected with the screw rod in a screwed mode and a cylindrical supporting arm integrally formed with the supporting plate; the end, away from the cylindrical supporting arm, of the screw rod is fixedly connected with a screw cap; the end, close to the cylindrical supporting arm, of the screw rod is provided with a clamp matched with a bailey pin to be pulled out; and the clamp is contained in the cylindrical supporting arm. By means of the bailey pin pulling-out device, the bailey pin can be rapidly and efficiently pulled out of a bailey hole in a bailey piece, so that the working efficiency is improved. 本发明提供一种贝雷销拔出装置及贝雷销拔出方法，其中的装置包括螺旋杆和支撑架，所述支撑架包括丝扣连接在所述螺旋杆上的支撑板和与所述支撑板一体成型的筒状支撑臂；其中，在所述螺旋杆远离所述筒状支撑臂的一端固定连接有螺旋帽，在所述螺旋杆靠近所述筒状支撑臂的一端设置有与待拔贝雷销相适配的夹具；并且，所述夹具收容在所述筒状支撑臂内部。利用上述发明能够快速高效地将贝雷销自贝雷片上的贝雷孔中拔出