Large axial flow pump convenient to maintain

The large axial flow pump convenient to maintain comprises a pump shell (1), a motor and a first rotating shaft which is driven by the motor and extends into the pump shell, an impeller is installed at the first rotating shaft, rotating blades are installed at the impeller, guide blades are further arranged in the pump shell, a water inlet flange (1.1) is installed at a water inlet of the pump shell, and a water outlet flange (1.2) is installed at a water outlet of the pump shell. A filtering unit (2) is mounted at the water inlet flange, and a cutting knife (4.1. 1) is arranged in the filtering unit. The axial flow pump is good in pumping effect, capable of cleaning sundries and convenient to maintain. 本申请公开了一种方便维护的大型轴流泵，包括泵壳(1)、电机、由电机驱动且伸入泵壳内的第一转轴，所述第一转轴处安装有叶轮，所述叶轮处安装有转叶，所述泵壳内还具有导叶，所述泵壳的进水口处安装有进水法兰(1.1)，出水口处安装有出水法兰(1.2)，所述进水法兰处安装有过滤单元(2)，过滤单元内具有割刀(4.1.1)。本申请的轴流泵泵送效果好，且能够清理杂物，方便维护。