Tunnel cable mounting and fixing device

The invention discloses a tunnel cable mounting and fixing device, and relates to the technical field of tunnel cable mounting, the tunnel cable mounting and fixing device comprises a plurality of arc-shaped frameworks fixedly mounted on the side wall of a tunnel, and the lower ends of the arc-shaped frameworks are open and are connected through a connecting mechanism; the device has the beneficial effects that by arranging the upper supporting plate and the lower supporting plate, rotation in the horizontal plane can be achieved while horizontal supporting is conducted, installation and use of the tunnel bent section are met, the use requirement is met, installation is convenient, the size does not need to be calculated in advance, and the situation that installation is difficult due to size deviation during installation is avoided; by arranging a nut, a clamping seat and a stress spring, the arrangement can be adjusted according to the actual situation, the cable is supported to generate stress, the cable i