Repair equipment for road cracks

The invention relates to the technical field of road repairing devices, in particular to repairing equipment for road cracks. A repairing device for road cracks comprises an outer cylinder, a first inner cylinder, a second inner cylinder, an absorbing mechanism and a pressurizing mechanism. A sponge body is fixedly arranged at the lower end of the second inner cylinder. And the interior of the first inner cylinder is pressurized through the pressurizing mechanism, so that the materials can more easily flow to the deep position of the crack, and the crack can be more fully filled. And a sponge body is arranged to prevent a large amount of materials from overflowing outwards from the contact position of the second inner cylinder and the road surface. And after a small part of the materials overflow, the materials between the second inner cylinder and the outer cylinder are sucked into the first inner cylinder through the first material suction opening and the second material suction opening by the absorption me