Hydro geological drilling is with footpath a lot of pumping device

The utility model discloses a hydro geological drilling is with footpath a lot of pumping device, include into the well and set up the pumping device in cheng jing, cheng jing marks off first water -bearing stratum, first water barrier, the second water -bearing stratum, the position degree of depth in the cheng jing that second septum water layer and third water -bearing stratum belonged to respectively, pumping device includes the well casing, be provided with the sleeve pipe in the well casing, the structure of sleeve pipe and well casing is the same, it is by first connecting pipe, first strainer, the second connecting pipe, the second strainer, third connecting pipe and third strainer are constituteed, be provided with first seal plate between well casing and the sleeve pipe respectively, second seal plate and third seal plate, be provided with the bellied protruding pipe that makes progress in sheathed tube second connecting pipe and the third connecting pipe, the last anti - silk of drilling rod that i