Off-line cleaning device for side wall of inclined chute

The invention discloses an off-line cleaning device for the side wall of an inclined chute. The off-line cleaning device comprises a chute body, a fish scale type turning plate mechanism, a driving mechanism, a plurality of elastic reset mechanisms and a mounting shell. The inner walls of the two sides of the chute body are each provided with a window, each installation shell is connected to the outer wall of the corresponding window in a covering mode to form a cavity structure, and a fish scale type turning plate mechanism, a driving mechanism and an elastic reset mechanism are installed in each cavity structure. Each fish scale type turning plate mechanism comprises a plurality of fish scale turning plates which are sequentially connected end to end in a sealed mode to form a flat plate, and the flat plate is connected with the peripheral side of the window in a sealed mode. One side of each fish scale turning plate is rotationally connected with the window, each fish scale turning plate is in transmission