The utility model provides a bracket assembly and piping lane relates to piping cable conveyor's technical field, the utility model provides a bracket assembly includes: bracket and major structure, major structure are arc or annular, and the one end of bracket can be dismantled and connect in the concave side of major structure, make the bracket can connect the different positions in the concaveside of major structure. Will the utility model provides a bracket assembly has solved bracket and the circular piping lane body uncontrollable technical problem in position within a definite time among the prior art in being applied to the piping lane.