In the electric power construction is not every violation of rules and regulations to occur accidents, it is because of the existence of this objective phenomenon, coupled with the low quality of part of the staff culture, safety self-discipline consciousness is shallow, there is a fluke psychology, the phenomenon of violations of rules and regulations brought about by the serious consequences of the awareness is not clear, so causing serious consequences.
The author has been engaged in installation and maintenance for 26 years, and often encountered accidents caused by operation, maintenance and construction personnel's wrong operation in work. Therefore, through the author's long-term production experience, a set of safety facilities to avoid human operation mistakes was designed. Is to prevent the human operation error and the human setting of the valve lock, the valve lock can be widely used in petrochemical, chemical, oil fields, natural gas, power plants, nuclear power, metallurgy and other fields. Installation and disassembly is simple and convenient, flexible operation, beautiful and generous appearance, not affected by any site, environment, temperature, etc., does not affect the operation of any equipment, the pipe insulation and corrosion protection is not affected by any, can be made according to the size of different valve specifications.