On August 22, 2016, at 10 am, a wind power construction enterprise in jingmen, hubei province, was installing a M36 double-end bolt on the wind blade, and the project had to be temporarily suspended in order to guarantee the quality and the safety of the wind blade installation.

As the bolt on site needs to be replaced with another set, there is no need to worry about the damage to the body thread. According to the situation on site, luoyang liuxiang front team designed and made special cutting tools, and used the imported equipment modified to remove the bolts.

After intense tool making and preparation, liu drove his assistant from luoyang to jingzhou, hubei province at high speed. After a five-hour trek, they arrived in jingzhou at 20:20, but there were still more than 20 kilometers of rugged mountain roads away from the construction site of the summit. By the time they reached the top, it was 22:39 p.m.

Liu xiang front and assistant regardless of their own long-distance running fatigue, the lack of light and the mountain mosquito bite and other adverse conditions, on the spot to investigate the second leaf bolts failure, after doing the preparation of tools, the work of taking the bolts will start tension.

At about 5 am on August 23, after six hours of hard work, liu finally took out the broken bolt perfectly, which was recognized by the construction side's quality personnel. Finally, the fan can continue to be installed, the project construction period is also guaranteed, so that the project leader joy opened flowers, liu xiang forward to praise the superb technical level.

It took just 19 hours from getting help to getting the job done perfectly.