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One preparation, one ingenuity——Records of Comrade Zheng Aiguo in the second workshop of overpass lifting structure

Author: Published: 2020-01-02

  “工匠”精神--结构二车间备料班郑爱国就是这匠心的践行者。 No vows, no grand words; no ordinary post, ordinary member, based on his own position, resentment, hard work, and excellence, this is the spirit of the "craftsman" of the Tianqiao people- Zheng Aiguo, the preparation workshop of the second workshop This ingenious practitioner.

Zheng Aiguo, male, born in January 1972, Han nationality, Xiangyin, Hunan, cold working technician in machining, ISO 14732 international automatic welding operator. Now he is the team leader of the material preparation workshop of Tianqiao Crane Co., Ltd.

It has been 14 years since Zheng Aiguo joined the company in 2005. He learned from the most basic drawing and lofting, and gradually established a solid foundation in the preparation and processing technology and operation step by step. He has now grown into a company's specialized and versatile technical backbone and excellent team management cadres.

Struggle the road, years of precipitation and strength

During the spring and autumn, learning kept on.

Zheng Aiguo itself is a person who loves learning and is good at learning. When entering the company for the first time, Zheng Aiguo started with the most basic drawing and lofting, consulted humbly, and seriously thought, and quickly became a technical backbone of the material preparation team. In 2012, he studied at Zhuzhou Chemical Industry College for one year as an amateur. In 2013, He obtained the cold work technician certificate in mechanical processing in 2015; in 2015, he started at a basic level and actively trained in a multi-agency and multi-learning activity carried out in the workshop. He obtained a welder certificate in 2016; in 2018, he competed in all types of skills held by the company. In the competition, he won the third place in the cold work skills project. In the second half of the same year, he passed the ISO 14732 international automatic welding operator exam at one time and successfully obtained a certificate. At present, Zheng Aiguo has surpassed the old welders in submerged arc welding technology, and the pass rate of one inspection has reached more than 99%.

The nine-story platform rises from the base soil, and the journey of thousands of miles begins with one step. Zheng Aiguo repeated the simple things, repeated the ones with the heart, continuously improved, and he went steadily, becoming the leader of the company with one specialty and multiple capabilities.

Strong team, leading the way

Although the light is small, it can guide the direction.

In 2014, the company started the production of wind turbine towers and China Railway Construction's shield products. Zheng Aiguo and his stock preparation team took charge of this difficult and difficult task. At the same time, they also ensured that the workshop was completed on time. Loading of traditional products (material handling equipment such as cranes). As a result, the annual gross tonnage of the stock preparation class has doubled compared to the previous year. In order not to increase the manufacturing cost, without increasing the cutting equipment, Zheng Aiguo led the preparation shift to meet the difficulties: through two shifts, holiday overtime surprises and other methods to ensure that the cutting progress meets the production requirements on time and on schedule. Zheng Aiguo, as the leader of the team, is a pioneer in the team. Through his own practice, he effectively motivated the entire team to work hard. Especially in the second half of 2018, Zheng Aiguo's son entered the third year of high school, which is the crucial moment to prepare for the college entrance examination. As a father, he especially wanted to accompany his son even for a nutritious dinner. When the task doubled, and the team members were unwilling to perform continuous overtime, Zheng Aiguo, as the monitor, gave up his vacation and talked about moving his 70-year-old mother to the city to take care of his son's diet, while being a patient classmate. Ideological work. Under his leadership, in 2018, under the leadership of the structure 2 preparation class, the traditional products were assembled and cut down by 7,000 tons, the shield products were cut by 1,400 tons, and the wind power tower barrel was cut by 5,000 tons, which effectively guaranteed the company's production tasks smoothly. get on. Zheng Aiguo himself worked a total of 54 days in shifts and 520 hours in evening shifts throughout the year, with annual working hours reaching more than 14,000 hours.

Responsible, transmission needs weight

The glorious performance comes from the ordinary persistence.

In the production process of special equipment cranes, the assembly and welding of main materials is a key process that needs to be completed in the material preparation team. Regarding the quality requirements of this process, there are clear regulations in the production standards of various products and relevant laws and regulations of the national special equipment manufacturing supervision: all splicing welds must be 100% flaw detection, and the quality requirements meet JB / T10559-2006 ultrasonic testing level 1 or GB / T3323-2005 Level 2 or higher. In order to ensure the qualification rate of welding assembly of different plate thicknesses, Zheng Aiguo led the team to debug the equipment parameters strictly according to the process specifications, pay attention to the pre-weld processing details and process inspection, and polished the appearance of the weld. His team has been welding assembly products for many years. Records of over one-time pass rate of 99% have been maintained on the inspection. As the monitor of material preparation, Zheng Aiguo also took charge of the quality management of the splicing of the web cover of the main beam of the team. In confirming the direction of the wrong welding seam and long-span splicing plate, he always personally checked and recorded to ensure product quality and safety.

The preparation of wind power tower barrels requires a fan-shaped panel with a size of more than ten meters and thirty square meters to have a precision of less than 3 millimeters diagonally. This was also the quality stumbling block encountered by Zheng Aiguo's team. But they were not afraid. The entire team carefully analyzed and researched the automatic cutting machine's operating speed, flame size, material placement, fire position, cutting pressure, and even the time of the cutting nozzle inspection to find out the equipment. The key parameters of product discharge, such as maintenance, operating speed, air pressure adjustment, and emptying knife detection, meet the requirements beyond the standard, effectively ensuring that the wind power tower barrel can be discharged 30,000 tons, and the discharge rate is 100%, which is the company's new product market. Continuous strength is injected with technical cardiotonics.

Refined management, pioneering innovation

Wind and rain are the same, and everything is done.

At the end of 2016, the material preparation group of Structure 2 underwent a major structural adjustment. The workshop combined the overall planning of material preparation and distribution, and merged the original material preparation group, the shears group, and the auxiliary machine into a large group of 18 personnel. The initial goal was to achieve product gas cutting and cutting. The production management of board and sawing machine cutting and machining are synchronized, the purpose is to ensure the efficient use of the material in the workshop preparation process when the wind power and shield machine production tasks are tight. Zheng Aiguo served as the team leader.

He first did a lot of research and coordination around the work responsibilities and division of responsibilities of the team, so as to formulate the internal work schedule of the team, so that the tasks of the team can be carried out in an orderly manner. Then, he organized a team management system. From morning meeting discipline to daily safety behaviors, from quality assessment to working hours allocation, and the official work of the team has been assessed once a month and made public; 6S management has been comprehensively implemented in the team, aiming at issues such as the large number of people and the wide range of the team, Developed a list of persons responsible for special inspections, strengthened daily quality and safety supervision and inspection, and timely checked and eliminated hidden dangers. So far, the team has not had a single safety incident. In the monthly on-site safety and civilized production inspection evaluation in 2018, the team has won 4th consecutively. One; he also opened a WeChat work platform in the team, pushed the class members' work highlights in a timely manner, real-time understanding of the thinking and work dynamics, and the team cohesion continued to strengthen.

Concluding remarks

"International Welders", "Excellent Technicians", "Excellent Team Leaders", "Advanced Workers" and "Top Ten Employees" ... Behind these many honorable titles, it is a conviction of excellence in work and self-requirement. This pioneering, never-ending “artisanal” model. If you repeat the simple things, you are an expert; if you repeat the things with your heart, you are the winner. Zheng Aiguo focused on his work with meticulous attitude and willing to learn and drill is the best interpretation of the spirit of "artisan"!

Contributor: Tan Ping