Ni Fangwei is the maintenance squad leader of the second comprehensive excavation team of Sunjiacha Longhua Mining Company。Colleagues call him Lao Ni，Firstly, because he is the oldest in the second team of comprehensive digging，The second reason is that he is an "old driver" with more than ten years of maintenance experience，Extensive experience in coal mine work，Skilled in equipment maintenance，Be calm and calm when encountering emergencies。

“Lao Ni is a calm and low-key person，Happy to have heart-to-heart conversations with colleagues，He is recognized as a good brother by everyone，But I love being more serious at work。"The workers in the class said this about him。

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“小成，What is the kink spacing at the mesh overlap，When did it become 300mm？Hurry up and encrypt the kink。”

Everyone who has worked with him has been "angered" by him。For example，Follow him to support the gang network，Whether it is the spacing between anchor rods、Linearity、Exposed length or overlapping distance，As long as there is one thing that does not meet the standards, he finds it，Not only allow re-construction，Still nagging to no end。

Once，Oil leakage at the side cover of the belt reducer，Lao Ni judged that it might be caused by a damaged sealing ring，When I opened the side cover, I found that the sealing ring was broken。

The maintenance worker Xiaowu closed the square cover, picked up the screws, and put it up，Tighten the four screws in sequence，Add more engine oil，Try it on for a while，Oil seeped out again from m88 online sports bettingthe interface in the lower right corner of the side cover。Xiao Wu is very confused: "Why is the sealing ring that I just replaced still leaking oil？" Lao Ni smiled and said: "While screwing on the square cover，Tighten the diagonal screws first，Finally, tighten each screw again，In this way, the partial cover can receive even force，When the equipment is running, there will be no waste caused by oil leakage。”

“Devices are like people，Are you serious about him、Patience、Careful，Thoughtful care，He is obedient。”Whether it is a mechanized excavator、Anchor drilling rig，Still a water drilling rig，Having been inspected and maintained by him，Everything works differently，This makes those who work with him both "angry" and admired。

Being more serious about hidden dangers

“Xiao Wu，Come to the end of the second belt conveyor，I found a tear at the belt joint，Needs processing。”

“I’ll get off work in 10 minutes，Production will not be affected today，Let’s make the belt buckle tomorrow。”

Lao Ni during inspection before leaving get off work，It was found that a 20cm hole was torn at the belt joint of 10205 return air lane，So there is the above scenario。

Years of underground work experience made him realize that hidden dangers are the root cause of accidents，Hidden danger troubleshooting is a "compulsory course" for his daily work，He conducts three inspections per shift，Never leave hidden dangers to the next class，As long as you can handle it, even if you get off work late, you have to rule it out，People from other classes are willing to take his class。

Ni Fangwei said: "Hidden dangers are not terrible，We must have a ‘serious’ attitude towards work。Hidden danger found，Prompt processing，Analyze the reasons、Summary，Turn this into a valuable experience，You can avoid similar problems in the future。”

Be more serious with yourself

Ni Fangwei said: “I missed the opportunity to learn before，Thank you to the company for giving me the opportunity to learn again，I will work hard to make progress，Learn more，Do your job well。”

With the continuous acceleration of the pace of intelligent construction of coal mines，The equipment has been rapidly updated，From fully mechanized excavator to fast excavation system，The transformation to intelligent excavation，All these put forward higher requirements for the technology and quality of operators and maintenance personnel。

In order to master more operational skills and professional theoretical knowledge，Ni Fangwei reads and studies whenever he has time，If you don’t understand something, ask the manufacturer’s technical staff for advice，Continuously sum up and accumulate experience。Every time I encounter the opportunity that equipment manufacturers and technicians come to the mine for overhaul and overhaul，He followed the manufacturer’s technicians to observe and record the wearing parts、Location of prone fault points，Learn the specific things you should pay attention to in daily operations。

“Old Ni，Let me take a look at your ‘cheats’。" Maintenance worker Cao Guoxiang said。Old Ni holds a small notebook stained M88 loginwith ink in his arms，Recording the experience and techniques he has summed up in various maintenance since he started working。The string of numbers and hand-made sketches，The result of his years of hard work and hardship。

Ni Fangwei’s “realism” is his high responsibility for his work，Dare to take responsibility，It is love and dedication。There are many people like him who are meticulous about their work、A "real" person who strives for excellence，Only to ensure the safe production of Longhua Mining Company。(Author: Su Wei  Editor: Wang Yu)