Holding pole bracket for connecting non-planar and planar objects

The utility model relates to a connecting device, in particular to a derrick support for connecting non-planar and planar objects, which is particularly suitable for the installation process of weak electric devices, a bottom plate is provided with a fixing hole array, the edge of the bottom plate is provided with splicing units which are continuously arranged, each splicing unit comprises splicing teeth and splicing tooth grooves, and the splicing teeth and the splicing tooth grooves are arranged in a staggered manner. The bottom plate is provided with at least one oblique angle fixing block, the oblique angle fixing block is provided with an L-shaped main body, the bottom of the L-shaped main body is provided with fixing through holes matched with the fixing hole array, the vertical part of the L-shaped main body is provided with binding holes, and the oblique angle fixing block is connected with the bottom plate through screws. The device can adapt to fixation of non-planes and planes with different shapes