It is a wheel type square rod rotary drilling rig, which is widely used in small civil and construction projects with scattered and long construction sites. For example, the continuous drilling construction of highway bypass lamp pile hole, the continuous drilling construction operation of wire pole pile hole, and the excavation of large and medium-sized tree planting pit in the continuous road green belt. It is also applicable to real estate developers' villa development infrastructure projects. It can also be used to drill and dig shallow water wells and dredge small tunnels. The maximum drilling depth of the drilling rig is 20m, and the drilling diameter is 500-1500mm.