Auxiliary tool for replacing packing and lifting rope

An auxiliary tool for replacing a packing and a lifting rope comprises an upper cross arm, a lower cross arm, a vertical support, reinforcing ribs and a jackscrew and is characterized in that the vertical support is arranged between the right ends of the upper cross arm and the lower cross arm, the reinforcing ribs are arranged at 90-degree angles formed by the upper cross arm and the lower cross arm and the vertical support, the left-side portions of the upper cross arm and the lower cross arm are respectively provided with openings, the opening width of the upper cross arm is larger than the diameter of a polished rod, the opening width of the lower cross arm is larger than the diameter of a well mouth tee joint, and the jackscrew is arranged on the side of the middle of the opening of the lower cross arm. When the packing is replaced, the lower opening is fixed on the well mouth tee joint by using the jackscrew, a packing pressing cap and a packing pressing pad are dragged by the upper opening, one person