The utility model discloses an installing support that is used for ordinary iron tower T of 35kV circuit to connect cable, its characterized in that convex band steel (3) are quadrant arc band steel, and extend at both ends level separately, bolt hole and bolt swing joint support subject horizon angle steel bracket (1) and vertical angle steel bracket (2) is passed through respectively at the both ends of convex band steel (3), cable staple bolt (4) link constitution as an organic whole by the half -circular arc staple bolt (4 -1) at middle part and the sharp connecting plate (4 -2) at half -circular arc staple bolt (4 -1) both ends, straight line connecting plate (4 -2) passes through the bolt hole, bolt and horizon angle steel bracket (1) swing joint, the utility model discloses economical and practical, simple structure, simple to operate need not to change current iron tower for new tower, has reduced newly -built shaft tower quantity, and the construction is simple, the cycle is short, reduces the construction degree of difficulty and labour cost, reduces the power off time, has reduced the foundation engineering volume, has practiced thrift the construction cost.