Roadway-side sealing structure used under roof-cutting entry retaining

The utility model discloses a roadside sealing structure used under top cutting entry retaining, which comprises a plurality of waste rock blocking beams with adjustable height, a plurality of single hydraulic props and an isolation mesh, the waste rock blocking beams are arranged between a roadway top plate and a roadway bottom plate and abut against the roadway top plate and the roadway bottom plate, and the isolation mesh is arranged between the waste rock blocking beams and the single hydraulic props. The end, connected with the roadway bottom plate, of the gangue blocking beam extends below the plane where the roadway bottom plate is located, and an isolation mesh is fixed to the end, facing goaf gangue, of the gangue blocking beam. According to the utility model, through a plurality of height-adjustable gangue blocking beams, the deformation of the middle parts of the tops of the gangue blocking beams when the gangue blocking beams support the roadway top plate and the roadway bottom plate can be preven