Assembly type cable support

The utility model provides an assembly type cable support which can be placed in a cable trench and a cable interlayer to be used by a cable. The assembly type cable support comprises an embedded plate, a supporting frame and prefabricated parts, the embedded plate is connected with a wall, bolt holes are reserved in the embedded plate and used for being connected with the supporting frame, a flange plate is arranged on the side, close to the embedded plate, of the supporting frame, bolt holes are formed in the flange plate and connected with the embedded plate, and the supporting frame is a triangular supporting frame and is divided into a top plate and side plates. Wherein part mounting holes and bolt holes are reserved in the upper portion of the top plate, the prefabricated parts comprise support parts and fixing parts, the cable fixing function can be achieved, and a flow guide groove is formed in the surface of the embedded plate, so that material corrosion caused by the fact that water flows to the fix