Hollow slab grider bridge hinge joint lateral displacement monitoring devices

The utility model relates to a hollow slab grider bridge hinge joint lateral displacement monitoring devices, including fixing device and digital formula displacement meter, wherein fixing device is including fixing first fixed part and the second fixed part on the empty core plate of hinge joint both sides respectively, first fixed part includes and is used for fixing the base on empty core plate and being used for fixing the mounting of digital formula displacement meter, digital formula displacement meter is fixed on the mounting, compared with the prior art, the one end of scalable pole is fixed on the second fixed part, the stretching or shorten the change that can arouse digital formula displacement meter output voltage of scalable pole. The utility model discloses simple structure, simple to operate can be used to the lateral displacement that the adjacent beam slab of real -time supervision hinge joint was located to accurate aassessment hinge joint's damaged condition, the preventative maintenance of