Double-chute scale and weighing method thereof

The invention discloses a double-groove chute scale which comprises a guide chute with a feed hopper, a first force measuring chute and a second force measuring chute, the guide chute, the first force measuring chute and the second force measuring chute are all fixed on a base plane through a support, the first force measuring chute is arranged below the guide chute, the second force measuring chute is arranged below the first force measuring chute, and the first force measuring chute is arranged below the second force measuring chute. The guiding sliding groove, the first force measuring sliding groove and the second force measuring sliding groove are obliquely arranged and used for guiding materials to slide through the working faces of the guiding sliding groove, the first force measuring sensor and the second force measuring sensor are installed on the bottom face of the first force measuring sliding groove and the bottom face of the second force measuring sliding groove, and the first force measuring sen