Device (10; 100) for continuous unloading of non-coherent material, of the split type, provided with a horizontal excavating foot assembly (11; 111) rotatably connected with the lower terminal portion of a bucket chain elevator assembly (13; 113) having a vertical axis, the horizontal excavating foot assembly (11; 111) is equipped with a mobile excavating device (19; 119), the excavating device being capable of excavating and collecting non-coherent material from an excavating area (22; 122) and to convey the same to a collecting area (28; 128), the mobile excavating device being oriented in a way such that its excavating portion (21; 121) moves in a direction substantially horizontal in respect to the excavating area (22; 122) and at a height lower than the collecting area (28; 128); wherein the mobile excavating device (19; 119) has an upper oblique portion; a closed collecting hopper (25; 125) housing the lower terminal portion (12; 112) of the bucket chain elevator assembly (13; 113) having a vertical axis, characterized in that the horizontal excavating foot assembly (11; 111) is constituted by a support structure (16; 116) connected by a plurality of constraints (17, 18, 117) to a ring (14; 114) coaxially rotatable about the lower terminal portion (12, 112) of the bucket chain elevator assembly (13; 113) having a vertical axis, and in that substantially horizontally moving conveyor elements (37; 137) and fixed conveyor elements (35; 135) for the non-coherent material are provided on said mobile excavating device (19; 119), said elements being capable to move and convey said non-coherent material from the excavating area (22; 122) to the closed collecting hopper (25; 125), through the upper oblique portion of the excavating device (19; 119). the horizontal excavating foot assembly (11; 111) is equipped with a mobile excavating device (19; 119), the excavating device being capable of excavating and collecting non-coherent material from an excavating area (22; 122) and to convey the same to a collecting area (28; 128), the mobile excavating device being oriented in a way such that its excavating portion (21; 121) moves in a direction substantially horizontal in respect to the excavating area (22; 122) and at a height lower than the collecting area (28; 128); wherein the mobile excavating device (19; 119) has an upper oblique portion; a closed collecting hopper (25; 125) housing the lower terminal portion (12; 112) of the bucket chain elevator assembly (13; 113) having a vertical axis, characterized in that the horizontal excavating foot assembly (11; 111) is constituted by a support structure (16; 116) connected by a plurality of constraints (17, 18, 117) to a ring (14; 114) coaxially rotatable about the lower terminal portion (12, 112) of the bucket chain elevator assembly (13; 113) having a vertical axis, and in that substantially horizontally moving conveyor elements (37; 137) and fixed conveyor elements (35; 135) for the non-coherent material are provided on said mobile excavating device (19; 119), said elements being capable to move and convey said non-coherent material from the excavating area (22; 122) to the closed collecting hopper (25; 125), through the upper oblique portion of the excavating device (19; 119).