Weight string

The utility model discloses a weight string, which comprises an inner ring weight pull rod, an outer ring weight pull rod, an inner ring weight group and an outer ring weight group, the inner ring weight group comprises at least one inner ring weight, and the outer ring weight group comprises at least one outer ring weight; a flange is fixed on the outer circumferential wall of the outer-ring weight, a bearing table is fixed on the outer-ring weight pull rod, a plurality of hanging columns are fixed on the bearing table, second limiting blocks are arranged on the hanging columns, the second limiting blocks, located at the same height, on the hanging columns form a hanging unit, and the flange on the outer-ring weight is placed on the second limiting blocks in the hanging unit; a through hole is formed in the outer-ring weight, a groove is formed in the bottom wall of the inner-ring weight, a through hole is formed in the top wall of the groove, a first limiting block is fixed to the inner-ring weight pull rod