Paying-off equipment for building construction

The utility model belongs to the technical field of building construction, and particularly relates to building construction pay-off equipment which comprises a fixing plate, a first supporting plate and a second supporting plate which are symmetrically distributed are installed on the top face of the fixing plate, and a pay-off roller is rotationally connected between the opposite faces of the first supporting plate and the second supporting plate. A motor used for driving the pay-off roller to rotate is installed at the front end of the first supporting plate. According to the building construction pay-off equipment, the bidirectional threaded rod, the moving plate, the connecting plate, the positioning plate and the lifting plate are used in cooperation, the use height of the lifting plate can be conveniently adjusted, a worker can conveniently insert a plurality of cones into or break away from the interior of soil at the same time, and therefore the position of the equipment is fixed or moved; the workin