Material conveying dust-proof device and dust-proof method for shallow tunnel

The invention provides a material conveying dust-proof device and dust-proof method for a shallow tunnel, and belongs to the technical field of tunnel construction. The device comprises a material conveying pipeline, wherein a movable buffer unit is arranged in the material conveying pipeline; and the movable buffer unit is connected with the top of the conveying pipeline through a pulling assembly and controls the movable buffer unit to move through the pulling assembly so as to adjust buffer damping and material stroke in the material conveying pipeline. The device and the method can effectively solve the problem that sand and cement and other materials lift dust when the shallow tunnel is dug, and thereby being beneficial to the health of constructors. 本发明提出了一种暗挖隧道用输料防尘装置及防尘方法，属于隧道施工技术领域，其具体技术特征包括输料管道，在输料管道内设置有活动式缓冲部件，活动式缓冲部件通过牵拉组件与输料管道顶部连接并通过牵拉组件控制活动式缓冲部件运动进而调整输料管道内的缓冲阻尼和物料行程。本发明可以有效解决暗挖隧道时砂石、水泥等材料扬起粉尘的问题，有利于施工人员的身体健康。