Verification and calibration device and method for torque wrench verification instrument

The invention discloses a verification and calibration device and method for a torque wrench verification instrument. The device comprises a mechanical structure and a control system. The mechanical structure comprises a combined support, the upper portion of the combined support is provided with a reference platform and an instrument bracket, the reference platform is provided with a lever supporting seat and a leveling mechanism, the lever supporting seat is provided with a verification lever, the two ends of the verification lever are symmetrically provided with weighing hooks used for containing force value weights, and a lever limiting mechanism is arranged below the verification lever. An electric control box and a control box are arranged on the combined support. The control systemcomprises a controller and a power module, the input end of the controller is connected with a key module and a sensor module, and the output end of the controller is connected with an indicator lamp.The device is simple in s