Device for supporting telescopic cable arc

The invention relates to a device for supporting a telescopic cable arc. The device comprises a cable bracket, a support frame cross arm and an upright post, wherein the cable bracket is arranged below a cable of the telescopic cable arc; the top of the cable bracket is provided with the cable; the support frame cross arm is arranged on the lower part of the cable bracket; and the upright post is connected to at lower part of the support frame cross arm. Compared with the prior art, the device for supporting the telescopic cable arc is simple in structure, convenient to use and firm to support, the telescopic cable arc can be well fixed and arranged on a bridge, and the adverse effect of the retraction and the bevel change on the cable is reduced to the greatest degree.