Bow blowing device for drag suction dredger

The bow blowing device for the drag suction dredger comprises a seat frame device, a crawling ladder guardrail device is fixedly installed on the side face of the seat frame device, a platform deviceis fixedly installed on the other side face of the seat frame device, a fence is fixedly installed on the top of the platform device, and a lubricating pipe is fixedly installed on the top of the platform device. Through the cooperation of the crawling ladder guardrail device, the side guardrails and the fence, the safety of people can be guaranteed when people climb to the bow blowing device forinspection, through the arrangement of the lubricating pipe, the male connector and the female connector of the bow blowing device can be lubricated when being connected, and then mutual abrasion is prevented in the using process; through the bow blowing platform device, the bow blowing device can do arc motion on the bow blowing platform device, it is guaranteed that a pipeline used for bow blowing cannot be bent when a s