The invention discloses a mounting frame for online monitoring equipment of an urban drainage pipe network. The mounting frame comprises a hollow telescopic rod, wherein a three-way pipe is connectedto the upper end of the telescopic rod, a winding frame is arranged at the upper end of the three-way pipe, a winch is fixed on the winding frame, and a steel wire rope is arranged on the winch; the lower end of the telescopic rod is connected with a hollow supporting rod through a lower internal thread pipe, the lower end of the supporting rod is fixedly connected with a transverse pipe, the transverse pipe is vertically connected with the supporting rod, and the other end of the transverse pipe is connected with a movable rod through a hinge; the other end part of the movable rod is providedwith a through hole, one end part of the steel wire rope is fixed in the through hole, so that the movable rod moves upwards or downwards under the driving of the steel wire rope; and a baffle is fixed on the upper side surface of the transverse pipe, and the baffle can block the movable rod when the movable rod rotates upwards to the maximum direction. The mounting frame for the online monitoring equipment of the urban drainage pipe network is reasonable in structure, the length of the telescopic rod can be adjusted, the mounting frame is convenient to use, manual underwater operation is notneeded, and collection and installation are facilitated.