Anti-backflow air door device for belt conveyor

Abstract

The utility model belongs to coal mine technical field especially is a kind of belt conveyor anti-backflow air door device;The belt conveyor anti-backflow air door device, including base structure, the top of base structure is provided with air door structure, the top of air door structure is provided with anti-backflow structure, the movable end of anti-backflow structure is provided with lifting baffle;By setting air door structure, utilize the installation recess that the top of protective top cover is set, so that replacement cover and external handle can be used alternately, drive belt conveyor can be in the state of not stopping to replace wind curtain, effectively avoid the long-time shutdown maintenance problem caused by wind curtain damage. At the same time, the movable connection mode of external handle and wind curtain makes maintenance personnel not need to enter the inside of air door when replacing wind curtain, thereby reducing the security risk in the maintenance process, not only solve the problem of inconvenient maintenance of traditional anti-backflow air door device.

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