Ditching, pipe laying and backfilling all-in-one machine

The invention discloses a ditching, pipe laying and backfilling all-in-one machine which comprises an all-in-one machine body. The all-in-one machine body comprises a ditching mechanism, a pipeline supporting mechanism and a backfilling mechanism which are connected in sequence; a traction frame is arranged behind the ditching mechanism in the horizontal direction, and the ditching mechanism, the pipeline supporting mechanism and the backfilling mechanism are installed on the traction frame through a lifting mechanism in a vertical lifting mode. The machine has the functions of excavation, supporting, pipe laying, backfilling and the like, all working procedures can be conducted synchronously, the mechanization degree is high, the labor cost and the mechanical cost can be saved, and good market prospects are achieved. 本发明公开了一种开沟铺管回填一体机，包括一体机本体；一体机本体包括依次连接的开沟机构、管道支护机构和回填机构；开沟机构的后方沿水平方向设置有牵引架，开沟机构、管道支护机构和回填机构分别通过升降机构可竖直升降的安装在牵引架上。本发明兼具开挖、支护、铺管、回填等功能，各工序可同步进行，机械化程度高，能节约人工、机械费用，具有良好的市场前景。