The utility model relates to the technical field of cable bridges, and provides a groove type galvanized bridge which comprises a bridge body, a protective buckle cover is arranged on the bridge body, a fixed supporting
assembly is arranged on the bridge body and comprises a placement block, a supporting table is connected to the placement block through a pin shaft, a self-rotating sleeve is connected to the supporting table through a pin shaft, a
threaded rod is screwed and inserted in the self-rotating sleeve, and the
threaded rod is connected with the protective buckle cover. A driving hole is formed in the side surface of the frame body, a pressing plate is connected in the driving hole through a pin shaft, one end of the pressing plate extends out of the driving hole, the mounting block is arranged on the lower end face of the pressing plate, and a pressing groove is formed in the lower end face of the pressing plate. According to the technical scheme, the problems that in the prior art, laying of air-passing power cables, control cables, lighting lines, telecommunication cables and other cables is conducted, an existing cable bridge is usually made of thick steel in order to guarantee the
bearing capacity of the cable bridge, the number of borne cables is large, and consequently the weight of the bridge is larger and larger, and the load is higher and higher are solved.