Automatic cargo cleaning device at tail of coal mine belt conveyor

The invention discloses a coal mine belt conveyor tail automatic clearing device which comprises a U-shaped groove, a clearing box body is slidably connected into the U-shaped groove, the lower end of the clearing box body is matched with the U-shaped groove, and the clearing box body can slide along the U-shaped groove in a reciprocating mode under driving of a driving mechanism. Compressed air is used as a power source, the rodless air cylinder is used for driving the sliding block to slide in the cargo cleaning groove in a reciprocating mode to achieve automatic cargo cleaning of the cargo cleaning groove, normal operation of the machine tail roller is guaranteed, waste of manpower and material resources is reduced, the safety problem existing in manual cargo cleaning is avoided, and operation efficiency is improved. 本发明公开了一种煤矿带式输送机机尾自动清货装置，包括U型槽，所述U型槽的内部滑动连接有清货箱体，所述清货箱体的下端与所述U型槽匹配，所述清货箱体在驱动机构的驱动下能沿着所述U型槽往复滑动。本发明中使用压风为动力源，利用无杆气缸带动滑块在清货槽内往复滑动实现清货槽的自动清货，保证机尾滚筒正常运行，减少人力物力的浪费，避免人工清货存在的安全问题，提高了作业效率。