Cable protection device

The invention relates to a cable protection device, which comprises a protection bag which covers a cable and is filled with sand, and the protection bag is spliced through a zipper and extends along the laying direction of the cable; the cable protection device comprises a protection bag, a lining container used for being filled with sand is arranged in the protection bag, a groove is formed in the outer side wall of the lining container, a rotatable gland piece is installed on the groove, the gland piece comprises an arc-shaped groove, and at least one part of a cable is contained in the arc-shaped groove and a molding part of the protection bag in a lying mode. The cable protection device can be suitable for a railway cable trough, sand in a sand bag is prevented from leaking out, meanwhile, the cable protection device has high shape followability, and press-fitting protection can be reliably conducted on a railway signal cable. 本申请涉及一种电缆防护装置，包括：压盖在电缆上并填装有沙子的防护袋，所述防护袋通过拉链进行拼接，并沿电缆的敷设方向延伸；所述防护袋中设置有用于填装沙子的内衬