Elevator steel belt detection device

The utility model discloses an elevator steel belt detection device. The elevator at least comprises a guide wheel and a steel belt. One end of the steel belt is connected with the counterweight device through a guide wheel; the device further comprises a measurement control device, a plurality of sets of grooves are formed in the axial direction of the guide wheel, each set of grooves comprises at least one groove formed in the radial direction of the guide wheel, a strain gauge is arranged in each groove, the output end of each strain gauge is connected to the measurement control device through a rotary conductive sliding ring, and a cover plate covering the corresponding groove is further arranged on the outer wall of the guide wheel. A strain gauge is arranged in a guide wheel; the stress distribution of the steel belts acting on the guide wheels and the stress condition among the steel belts are analyzed; the broken wire number of any strand of steel core in the steel belt can bedetected as long as the b