Pesticide spraying machine for landscaping construction

An adjusting mechanism comprises a fixing base and a fixing plate, the fixing base is connected to a lifting air cylinder through a positioning mechanism, a through groove is formed in the top of the fixing base in a penetrating mode, and the back face of a groove cavity of the through groove is open. A supporting body is fixedly connected into the through groove through a fixing block, a supporting groove is formed in the front face of the supporting body in a penetrating mode, the supporting groove is attached to the fixing plate, a threaded rod is fixedly connected to the front face of the fixing plate, the threaded rod is in threaded connection with the fixing base, and a rotating wheel is fixedly connected to one end of the threaded rod; the utility model relates to the technical field of landscaping, the spraying direction of pesticide can be changed by rotating a rotating wheel, and then the pesticide conveying spray pipe assembly is driven by a lifting air cylinder to ascend and descend, so that the s