Building construction material conveying device and using method thereof

The invention relates to the technical field of building construction, and discloses a building construction material conveying device and a using method thereof. The building construction material conveying device comprises a rectangular hopper with three closed faces and one open face; the device also includes a building material clamping piece arranged in the rectangular hopper, a damping device arranged on the bottom surface of the rectangular hopper and moving wheels arranged on the bottom surface of the damping device; the building material clamping piece comprises a fixed plate and a movable plate which are vertically arranged in a spaced mode, a plurality of containing grooves are formed in the opposite plate faces of the fixed plate and the movable plate at equal intervals in the opening direction of the rectangular hopper, a sliding groove is formed in the side wall of the rectangular hopper, and the movable plate extends towards the interior of the sliding groove to be provided with a sliding plate