Multifunctional tunnel construction rack

The utility model relates to the technical field of tunnel construction equipment, in particular to a multifunctional tunnel construction rack which comprises two fixing seats and an operation plate, two driving wheels are installed at the bottom ends of the two fixing seats, motors are installed on the front sides and the rear sides of the top ends of the two fixing seats, and the driving wheels are connected with the motors. An output shaft of the motor extends to the bottom side of the fixing base and is fixedly connected with a square column, a connecting shaft is slidably arranged outside the square column, a circular plate is rotatably connected outside the connecting shaft, two first electric cylinders are fixedly connected to the top end of the circular plate, and the top ends of the two first electric cylinders are fixedly connected with the bottom end of the fixing base. The bottom side of the outer portion of the connecting shaft is fixedly connected with a plurality of scraping plates in a circula