Heavy hammer for helicopter pay-off

The utility model discloses a heavy hammer for helicopter pay-off, and relates to the field of helicopter pay-off construction tools. At present, when a helicopter pulls a guide rope, in order to prevent a main sling from flying upwards under the action of horizontal tension and touching a tail rotor of the helicopter, heavy hammers are additionally hung at the joints of the main sling and the guide rope, but due to the fact that the heavy hammers are generally fixed in weight, the guide rope is difficult to adapt to different helicopter pay-off working conditions. The device comprises a hanging rod, a bottom support and a plurality of split weight type gravity blocks capable of being selectively combined according to working conditions, the bottom support is connected to the bottom end ofthe hanging rod, a vertical through hole is formed in the center of each gravity block, the gravity blocks can penetrate into the hanging rod from top to bottom and are stacked on the bottom support,and a hanging hole is for