Temporary support for roadway

The invention discloses a temporary roadway support, and relates to the technical field of temporary roadway supports, the temporary roadway support comprises a top transverse support and two vertical supports, the top transverse support comprises a top beam, two transverse oil cylinders and two cross beams, the two ends of the top beam are each telescopically connected with one cross beam, each cross beam is fixedly connected with one transverse oil cylinder, and the two vertical supports are fixedly connected with the top beam. All the oil cylinders are fixedly connected with the top beam, and all the transverse oil cylinders are arranged in the top beam and the cross beam; the two ends of the top transverse support are each connected with a vertical support, each vertical support comprises a vertical oil cylinder and a vertical oil cylinder protection device, stretching and retracting of the vertical oil cylinders enable the top transverse support to make contact with or be away from a top plate of a roadw