Roof greening drainage device with drainage guiding function

The roof greening drainage device comprises a roof, a greening plate is fixedly installed on the roof, drainage channels are arranged on the two sides of the roof, installation grooves are formed in the two sides of the greening plate, and the drainage channels are communicated with the installation grooves. A cleaning mechanism used for automatically cleaning impurities such as fallen leaves on the drainage channel is arranged on the mounting groove, and collecting mechanisms used for collecting the impurities such as the fallen leaves are arranged at the two ends of the drainage channel. And time and labor are saved, the structure is simple, and the practicability is high. 本实用新型公开了一种具有导排下水的楼顶绿化排水装置，包括屋面，所述屋面上固定安装有绿化板，所述屋面上设置两侧设置有排水道，所述绿化板两侧开设有安装槽，所述安装槽上设置有用于对排水道上落叶等杂质进行自动清理的清理机构，所述排水道两端设置有用于对落叶等杂质进行收集的收集机构，该导排下水的楼顶绿化排水装置有利于实现对排水道上的落叶杂质进行自动清理，无需人工清理，省时省力，结构简单，实用性强。