The silo sweeper is suitable for cleaning the material remaining in the silo after the completion of the self-flow of the material in the flat-bottomed steel silo or cement silo.This product is mainly suitable for bulk materials with good fluidity, such as soybean, corn, wheat and so on.The product can be installed under the cylinder bin of different warehouse diameters. Through the integral modular design, the auger blade adopts the integral rolling forming technology, the auger support device is equipped with a self-lubricating system, and the self-propelling device has the function of self-adjusting the walking speed. It is powered by the German Sterman explosion-proof slip ring, which solves the problem of kinking of the wire and can save energy and reduce labor costs.The utility model has the advantages of simple installation,  convenient operation, safety and reliability, strong adaptability, and can be adapted to the clearing operation under the  bad conditions such as material compaction.The output of the spiral clearing machine ranges from 30t/h to 200t/h, and is suitable for cylindrical flat-bottomed cement or steel silos with warehouse diameters from Φ10m to Φ40m.Customers can choose different product models according to the diameter of the silo, the type of material and the output.