Balance block adjusting device

The invention discloses a balance block adjusting device used on drilling equipment, which can be used for improving the adjustment reliability of a balance block. The balance block adjusting device comprises a walking beam and a balance block group movable sleeved on the walking beam in a penetrating manner; base bodies located at the front side and the back side of the balance block group are arranged on the walking beam; and a top thread capable of pushing the balance block group to move on the walking beam is arranged on each base body. When the balance block adjusting device works, the movement of the balance block group is realized by rotating the top thread, so that a through hole which passes through a screw rod does not need to be drilled in the balance block group; and furthermore, the length of the top thread can be greatly reduced as compared with the length of the screw rod in the background technology. After the length is reduced, the diameter of the top thread can be correspondingly greatly red