Design of Control System for High-Strength Bolt Sizing Tool
To make the high-strength bolt sizing tool to meet the needs of the construction site on the torque control accuracy and the diversification of the tool,the STM32-based high-strength bolt sizing tool control system is designed.The control system adopts integrated design.The hardware has strain gauge interface and Hall sensor interface.The software corresponds to the development of torque control and corner control dual configurable modes,to control the accurate sizing of bolts.The controller is equipped with a data upload function to facilitate data management and traceability of tool and bolt information.In addition,calibration function,fault detection function,human-machine interaction and other functions are developed to further meet the construction requirements and reduce construction difficulties.The control system is compact in size,high in control accuracy,fast in response and rich in functions.During the test of standard torque meter,the sizing tool can ensure the control accuracy within±4%.The design provides a reference for the design of similar railroad bridge construction tool in the market.
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