High-precision and high-stability ultrasonic sensor threaded fastener and preparation method

• Main Authors: XIA BINHONG, HUANG XIAOQING, LI WENSHENG, LIU WENTAO, WAN BINGHUA, JIAO GUANGMING, CHENG QUANSHI
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; MECHANICAL ENGINEERING; PHYSICS; TESTING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention provides a high-precision and high-stability ultrasonic sensor threaded fastener and a preparation method, the high-precision and high-stability ultrasonic sensor threaded fastener comprises a fastener body, a sensor is arranged at the rear end of the fastener body, a protruding part is arranged at the front end of the fastener body, and the protruding part is in an arc shape. According to the fastener, the protruding part structure is machined and prepared at the reflection end, ultrasonic waves can be gathered, signals can be enhanced, the direction of the reflected ultrasonic waves is bound within the effective direction range, the quality of the reflected signals is improved, the application field of the technology for monitoring the pre-tightening force through an ultrasonic sensor in the fastener is expanded, and meanwhile, the reliability and the stability of pre-tightening force monitoring are greatly improved, and a positive actual use effect is achieved. 本发明提供了一种高精度高稳定性超声波传感器螺纹紧固件及制备方法