Support device of low-voltage line wiring box of distribution network

The invention discloses a support device of a low-voltage line wiring box of a distribution network. The support device comprises a bracket, wherein the bracket comprises a rear side fixing frame anda bottom connecting frame that are perpendicularly and fixedly connected; the rear side fixing frame is fixedly connected onto a wall; and strip-type holes connected with a box body are formed in thebottom connecting frame. According to the device, the wiring box body is supported by the bracket; the support mounting safety of the wiring box body is further guaranteed; the front end of the bracket extends out of the box body by a section; on the one hand, outgoing of bottom dynamic electric meters and single-phase electric meters is facilitated; on the other hand, the mounting of the box bodyand safe connection of a main incoming line are guaranteed; both hands of personnel are free when the personnel climb a ladder to perform operation such as operation and maintenance, first-aid repairand meter load access on th