Temporary supporting device for tunnel tunneling

The utility model relates to the technical field of tunneling support, in particular to a temporary support device for tunnel tunneling. The utility model provides a temporary supporting device for tunneling a mine tunnel, which can conveniently move and change a supporting position and improve the supporting safety and the supporting efficiency. A temporary supporting device for mine tunnel tunneling comprises supporting plates, air cylinders, a supporting plate, hydraulic supporting legs and a convenient moving mechanism, the multiple air cylinders are connected to the upper side of the middle of the supporting plate, the supporting plate is connected to the telescopic ends of the air cylinders, and the hydraulic supporting legs are connected to the lower sides of the left portion and the right portion of the supporting plate. A convenient moving mechanism used for moving to assist excavation is arranged at the bottom of the supporting plate. The crawler wheel assembly drives the supporting plate to move th