| 摘要 |
The utility model discloses an arc bracket fastening device and a solar bracket. The solar bracket is provided with an arc supporting arm used for elevation adjusting. The arc bracket fastening device comprises a U-type clamp, a positioning bottom plate, bolts and nuts. The U-type clamp is provided with a groove and lateral wings which respectively extend from the two ends of the groove toward two opposite outer sides, the lateral wings are provided with mounting holes, the inner face of the groove is attached to the outer side of the arc supporting arm, and the two lateral wings are respectively disposed above and below the arc supporting arm. The positioning bottom plate is used for being fixedly connected to an upright column of the solar bracket and has first and second side faces, the first side face is disposed at the inner side of the arc supporting arm, and the positioning bottom plate is provided with through holes in positions corresponding to the mounting holes. The number of the bolts is the same with that of the mounting holes, the hexagonal force applying ends of the bolts are attached to the second side face of the positioning bottom plate, and each bolt sequentially passes through the corresponding through hole and the corresponding mounting hole. Each of the nuts is fixedly connected to the corresponding bolt from the outer side of the corresponding mounting hole. The arc bracket fastening device and the solar bracket are simple in structure and easy in installation and maintenance, and all-round adjustment within a certain angle range in the north-south direction can be realized. |
