| 摘要 |
The utility model discloses an arc bracket fastening device and a solar bracket. The solar bracket comprises an arc support arm allowing elevation angle adjustment. The arc bracket fastening device comprises a U-shaped frame, a compression sleeve, a screw and a pair of nuts. The two front ends of the U-shaped frame are arranged above and below the arc support arm, respectively, and are fixedly connected to a post of the solar bracket. The back end face of the U-shaped frame is provided with a mounting hole. The compression sleeve includes a back end face and a U-shaped inner face. The U-shaped inner face is engaged with the back side face of the arc support arm. A hexagonal force application terminal of the screw is fixedly connected to the back end face of the compression sleeve, and the screw passes through the mounting hole. The pair of nuts are fixedly connected to the mounting hole from the inner side and the outer side of the mounting hole, respectively. The outer threads of the screw are meshed with the inner threads of the nuts. The fastening device provided by the utility model is simple in structure, easy to mount, convenient in maintenance and simple in operation, and helps to achieve omnibearing adjustment with a certain angle range in the north-south direction. |
