Horizontal foundation pit filling device

The utility model relates to the technical field of building construction, and provides a foundation pit horizontal filling device which comprises a base, a mixing box is installed on the top of the base, a conveying pipe is arranged outside one end of the mixing box, a feeding port is formed in the outer wall of the conveying pipe, a feeding pipe is connected to the feeding port through a rotating shaft, and a feeding pipe is arranged on the feeding pipe. A mounting groove is formed in the top of the feeding pipe, an electric shaft is mounted in the mounting groove, and feeding plates are welded to the periphery of the outer wall of the electric shaft; according to the horizontal filling device for the foundation pit, a feeding plate is driven to rotate through an electric shaft, soil can enter a feeding pipe to be collected in the moving process, the soil in the feeding pipe can slide to a supporting plate through upward lifting of the feeding pipe, and under the action of a gear and a moving groove, the su