A auxiliary propulsion device for shield constructs is under construction

The utility model provides an auxiliary propulsion device for shield constructs is under construction, its includes supplementary jack, supplementary jack passes through the jack mounting groove and sets up in the middle of the shield constructs quick -witted shield tail shell inboard, the quick -witted original -pack thrust cylinder of shield structure for it constructs quick -witted thrust to promote the shield. The utility model provides an auxiliary propulsion device for shield constructs is under construction processes simple manufacture, and installation convenient operation has strongersuitability, the auxiliary propulsion device has the immediate shipment characteristics of usefulness promptly, meets the shield and construct quick -witted the card when dying in the shield constructs the work progress, perhaps installs when meetting the barrier the utility model discloses the device to the shield can be effectively solved and the quick -witted topic of dying in an accident or political incident of bloc