Auxiliary device for jet grouting pile construction

The utility model belongs to the technical field of jet grouting pile construction assistance, particularly relates to an auxiliary device for jet grouting pile construction, and aims to solve the problem of inaccurate auxiliary positioning caused by the fact that the left-right position of a jet grouting pile cannot be adjusted by existing equipment. Fastening screws are inserted into the two supporting plates through formed screw holes, adjusting rotating discs are installed at the ends, away from each other, of the two fastening screws through welding, and the ends, close to each other, of the two supporting plates are inserted into sliding strips correspondingly welded to one sides of the sliding plates through two sliding grooves formed at equal intervals. Hydraulic cylinders are installed at the ends, close to each other, of the two sliding plates through bolts, and hydraulic rods are inserted into the ends, close to each other, of the two hydraulic cylinders through connecting keys. The two sliding str