Supporting device for tunnel construction

The utility model relates to the technical field of tunnel construction, and discloses a tunnel construction supporting device which comprises a base and supporting tables, the two supporting tables are vertically fixed to the two sides of the surface of the base, a first electric-hydraulic push rod is vertically installed at the top of each supporting table, and a lifting plate is transversely fixed to the top of each first electric-hydraulic push rod. A plurality of second electric-hydraulic push rods are evenly installed on the bottom surface of the lifting plate, supporting rods are longitudinally welded and fixed to the tail ends of the second electric-hydraulic push rods, and a supporting plate is transversely supported on the supporting rods at the tops of the second electric-hydraulic push rods. According to the technical scheme, the first electric-hydraulic push rod is arranged to drive the lifting plate to be lifted or lowered, the multiple telescopic second electric-hydraulic push rods are evenly i