On-site temporary cable wall-hanging fixing device capable of adjusting long diameter

The utility model discloses an on-site temporary cable wall-hanging fixing device capable of adjusting the long diameter, which comprises a supporting plate, the four end parts of the right side of the supporting plate are respectively provided with a lug plate, each lug plate is provided with a fastening bolt, one side of each lug plate is provided with a welding plate, and the other side of each lug plate is provided with a fastening bolt. The lug plates are fixedly connected with the welding plate through the fastening bolts, the four end portions of the welding plate are respectively provided with a bolt hole, the four end portions of the bottom of the supporting plate are respectively provided with a connecting rod, the connecting rods are sleeved with sleeves, the bottoms of the sleeves are fixedly connected with the support, and the bottom of the support is fixedly connected with the welding plate. Two partition plates are arranged in the center of the top of the support, and a plurality of extrusion p