The utility model discloses a mining return bend belt cleaning device, including casing, actuating mechanism, the moving mechanism who installs in the casing bottom, salient in anterior wiper mechanism and the monitoring device of casing, the wiper mechanism includes the washing arm, connects the washing arm elevating system and the cleaning brush of connection on washing arm top that are wasing the arm bottom, actuating mechanism is including drive travel mechanism's first motor, drive washing arm elevating system's second motor and the rotatory third motor of drive cleaning brush, monitoring device includes that monitoring device includes a plurality of cameras and setting the controller drainage pipe outside of setting on the casing, and actuating mechanism, moving mechanism and wiper mechanism are controlled in the controller connection. The work of rinsing the pipeline has been accomplished effectively to this device, has realized that the straight tube is said and comprehensive washing of return bend department, has reduced pipeline scale deposit thickness, has improved drainage efficiency, has reduced electrical energy consumption of pumping, has increased the utilization ratio of pipeline, is favorable to safeguarding the safety in production in colliery.