Telescopic coal leakage hopper

The utility model discloses a telescopic coal leakage hopper, and relates to the technical field of coal leakage hopper equipment. The telescopic coal leaking hopper comprises a funnel, a telescopic cylinder and a lifting assembly, the telescopic cylinder comprises a plurality of sleeve sections, every two adjacent sleeve sections are assembled in a sliding mode in the vertical direction and matched in a stopping mode, the sleeve section located on the innermost side is connected with the funnel, the lifting assembly comprises a driving motor and a winding drum, and the winding drum is connected with the driving motor. An output shaft of the driving motor and the winding drum are coaxially arranged, a connecting piece is wound on the winding drum, the other end of the connecting piece is connected with the sleeve section located on the outermost side, and the driving motor is used for driving the winding drum to rotate so as to achieve unfolding or folding of the telescopic cylinder by releasing or folding th