Secondary protection device for compensation chain

The utility model discloses a compensation chain secondary protection device, and particularly relates to the technical field of secondary protection, the compensation chain secondary protection device comprises a mounting seat, a fixing seat is fixedly arranged at the bottom end of the mounting seat, a balance compensation chain is arranged at the bottom end of the fixing seat, and a first protection assembly used for protecting the balance compensation chain to be connected with the fixing seat is arranged at the top end of the balance compensation chain; the top end of the first protection assembly is provided with a second protection assembly used for protecting the balance compensation chain to be connected with the fixing base. According to the utility model, through the arrangement of the folding ring sleeve, the first protection assembly and the second protection assembly can be shielded and protected in all directions, so that external moisture and corrosive substances can be prevented from adhering