Mobile road repairing device

The invention discloses a mobile road repairing device, the top of a main frame is provided with a tapping portion, the main frame is provided with a first guiding through hole and a second guiding through hole, a heating pressing plate is horizontally arranged at the bottom of the main frame, a sub-frame is located below the main frame, an opening for accommodating the heating pressing plate is formed in the middle of the sub-frame, a cutting knife, a third guiding through hole and a fourth guiding through hole are arranged at the bottom of the sub-frame, a first positioning column sequentially passes through the first guiding through hole and the third guiding through hole, a second positioning column sequentially passes through the second guiding through hole and the fourth guiding through hole. Through the mobile road repairing device with optimized design, the structural design is reasonable. When repairing, to-be-repaired materials are placed in a to- be-repaired area in advance,and the device is initia