Steel and concrete positive tie strength detection tool

The invention relates to the technical field of tensile strength detection devices, in particular to a steel and concrete positive tie strength detection tool which can conveniently detect the bonding strength between a reinforcing steel bar and concrete on a construction site and improve the use convenience and detection accuracy of the device. Comprising a pressing plate, a plurality of groups of pressure sensors, a mounting plate, a plurality of groups of screw tubes, a plurality of groups of gears, an inner gear ring, a plurality of groups of connecting rods, a rotating ring handle, a plurality of groups of screw rods, a connecting plate, a protective cover and a clamping assembly, the mounting plate is fixedly connected with the detection ends of the pressure sensors, a second insertion hole is formed in the mounting plate, the screw tubes are evenly distributed and rotationally installed on the right end face of the mounting plate, the gears are fixedly installed on the screw tubes respectively, the inn