The utility model relates to a novel gas burner nozzle assembly and disassembly tools, including a solid bar, this solid bar is inlayed in the thick wall steel pipe and is welded mutually with thick wall steel pipe rear end flange and forms the counter weight section, and thick wall steel pipe front end flange forms bolt dismouting section with the nozzle stub welding that the diameter is less than the thick wall steel pipe, the right -hand member and the welding of connecting tube flange of nozzle stub form the synthetic section of two parts, become the jack -up sections according to the designing requirement at both sides two jack -up lug plate -types of welding directly over the thick wall steel pipe 3. Have performances such as simple and convenient, easy -to -use, high efficiency in the overhaul of the equipments, through the statistics, the utility model assembly and disassembly tools after the improvement saves about 4 hours than former instrument, significantly reduced manpower and time, increased factor of safety, and played good effect, have characteristics such as good economy and social.