Commercial vehicle seat damping system

The invention discloses a commercial vehicle seat vibration reduction system which comprises a base, a back plate, a seat, a first vibration reduction assembly and a second vibration reduction assembly, the seat comprises a cushion and a backrest, the seat is arranged above the base, and the first vibration reduction assembly is installed between the base and the cushion and supports the seat; the back plate is connected to the rear end of the base in a rotatable and adjustable mode and arranged opposite to the back face of the backrest, a sliding block capable of moving in the length direction of the back plate is connected to the back plate, and the second vibration reduction assembly is installed between the back plate and the sliding block. According to the invention, vertical vibration can be filtered, and pitching and back-and-forth vibration can be inhibited. 本发明公开了一种商用车座椅减振系统，其包括基座、背板、座椅、第一减振组件和第二减振组件，所述座椅包括坐垫和靠背，所述座椅设置在所述基座的上方，所述第一减振组件安装在所述基座和所述坐垫之间并支承所述座椅；所述背板可转动调整地连接在所述基座的后端且与所述靠背的背面的相对设置，所述背板上连接有可