The utility model discloses a cotton hired roughneck is grabbed to simple and easy installation formula, which comprises a bod, the dabber plug bush is in the cylindrical support body, and the inside of the cylindrical support body has middle axle sleeve, and the dabber plug bush is fixed with a plurality of bracing pieces on the lateral wall of middle axle sleeve in middle axle sleeve, and the other end of bracing piece is fixed on the inside wall of the cylindrical support body, and two end covers are in the both sides of the cylindrical support body, be fixed with the annular ring on the both ends inside wall of the cylindrical support body, the plug bush has the position sleeve in the annular ring, is fixed with a plurality of main tributary vaulting poles on the lateral wall of position sleeve, and the outer end of main tributary vaulting pole is fixed on the inside wall of annular ring, has a plurality of jacks on the lateral wall of position sleeve, and the jack outer end is fixed with the holding ring, adjusts the stake pocket and overlaps in the holding ring, and the outer end shaping of adjusting the post has handheld portion, and handheld portion presses on the lateral wall of position sleeve, the convenience is dismantled in its blade installation, convenient follow -up maintenance and clearance, simultaneously, its cylindrical support body simple structure.