You can use the following methods to check whether bolts and nuts are properly secured: Use a torque wrench to tighten bolts and nuts based on specifications and requirements. The torque wrench has a preset torque value to ensure that the bolt or nut is properly installed. Select the appropriate torque value for tightening according to the design specification. Visual inspection: Visual inspection of the installed bolts and nuts with the naked eye. Make sure the bolt and nut fit perfectly and that nothing is loose or broken. Use of locking agents: In special cases, locking agents can be used to enhance the tightening effect of bolts and nuts. The locking agent provides additional friction to prevent bolts and nuts from loosening during operation. Vibration test: After bolts and nuts are installed, a vibration test can be carried out to ensure that they are not loosened by vibration. This can be implemented by using vibration test equipment or the operation of the equipment itself. It should be noted that the above method is for reference only, and the specific judgment method needs to be determined according to the specific work scenario and requirements. During the installation process, it should be operated in accordance with relevant standards and specifications to ensure the correct fastening of bolts and nuts.
