A impeller and promotion system for pipeline earth moving machine

The utility model relates to a civil engineering technical field especially relates to an impeller and promotion system for pipeline earth moving machine. The impeller includes promotion main part, gas injection hole and separation blade, and the gas injection hole sets up on promoting the main part and feeds through its both sides region, and the separation blade is corresponding to gas injection hole setting to the separation blade with promote the main part so that promote the both sides zone passage gas injection hole unilaterally connected mode of main part and be connected. The promotion system includes power unit and above -mentioned impeller, and power unit is connected with the promotion main part of impeller to the drive promotes the main part and is straight reciprocating motion, and power unit and the hookup location that promotes the main part promote the main part on the contrary in one side of separation blade. Above -mentioned impeller and promotion system can be used for pipeline earth moving