Zhang Yu, a high voltage motor maintenance worker in the electrical maintenance section of the production Technology Department of Hebei Tianyue Laser Remanufacturing Technology Co., LTD., joined the company in 2020 and is mainly responsible for the maintenance of high voltage motors. From maintenance apprentice to "old master", "old Chinese medicine" and "inventor", 54-year-old Zhang Yu sticks to the original, ingenuity forever. During the work period, he put hard work, careful, willing to contribute to the good quality deeply engraved on the job, the unanimous recognition of the superior leadership, but also widely recognized by the staff around, was named Hebei Xinda Group 2023 advanced production (work).
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The "old master" of overcoming difficulties
Zhang Yu is a competitive person who does not stop at the common high-voltage motor maintenance, but strives for excellence, develops new business, and challenges new heights. Hebei Xinda Iron and Steel Group Co., LTD. Industrial solid waste recycling treatment plant needs to maintain and repair 6600KW mill high voltage motor, before this, the maximum power of the section maintenance and maintenance of high voltage motor 2500KW.
Section chief and team leader found Zhang Yu, who has more than 10 years of experience in high voltage motor maintenance. In the face of this "problem", Zhang Yu did not retreat but advanced, "accept the order" on the spot, determined to chew this "hard bone". Under the leadership of the section chief and the team leader, I checked the maintenance site, studied and developed the construction operation plan, and finally completed the motor maintenance task in three days, so that the temperature, vibration and string volume of the motor were normal and better than before maintenance.
When the high voltage motor bearing of the mill needed to be replaced in the industrial solid waste resource treatment plant, Zhang Yu volunteered to lead 4 employees to replace the bearing and hang the tile. With the previous maintenance experience, coupled with years of research on the high-voltage motor bearing, Zhang Yu and his colleagues successfully replaced the bearing tile after two days of efforts. After the use of the line, the vibration decreased significantly, which was praised by the company and the leaders of the branch factory.
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Experienced "Old Chinese Medicine"
Heart in a art, its art must work; Heart in the job, his job must be done. Zhang Yu is a person who can handle both the "big stick" and the "embroidery needle", all of which stems from his careful attitude and demanding craftsmanship standards. For example, a screw of the motor is dead, and it needs to be replaced with a new one, which seems insignificant, but it is a very test of operation technology. This is not difficult to Zhang Yu, I saw that according to his experience, the use of thermal expansion and cold contraction principle, accurate heating of the external motor, and then remove the screws in time, a set of operations to complete with ease. In addition to admiration, workers have to ask him for maintenance skills. "There is only one secret, and that is to practice and improve." Zhang Yu said.
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The "inventor" who explores innovation
Xinda has always taken brand building, cultivation and development as the focus of business development. Zhang Yu carefully studied the company documents, deeply understood the spiritual connotation of the work, and worked hard to overcome one technical problem after another, obtaining patent certificates such as "a wire pulling device suitable for motor", "a disassembling device suitable for coupling", "an adjustable pulling turbine device", and focusing on technological innovation.
In the patent development of "an adjustable pulling machine device", for the current lack of specialized stable and fixed motor coupling equipment, the jack has no fixed device, Zhang Yu read the relevant drawings of the equipment, combined with the actual situation, and repeatedly improved the test. First of all, the fixed plate is vertically installed in the upper part of the back of the frame, and the jack is fixed in the front end of the fixed plate. The adjusting slide is horizontally installed at the front end of the fixed plate, and the back end of the drawing rod is sliding with the adjusting slide. Secondly, install the stability slide in the front or middle front of the frame, and install the stability slide in the drawbar. Finally, the tail of the drawbar slides on the adjusting slide, the middle is supported by the stabilizing slide, and the head clamp is stuck on the motor coupling. When the jack is working, the motor coupling is limited to move backward, making disassembly more efficient.
Finally, we successfully developed a simple structure, convenient adjustment, stable operation of the adjustable extractor device and applied it to practical work, which has been praised by everyone.
Temper the plastic ability, a cavity blood spectrum. All the cadres and staff of Xinda should bravely shoulder the new historical mission, grow wisdom and talent in learning and innovation, temper the quality of will in continuous struggle, constantly "climb" with the determination of "doing well", challenge the limit in every indicator, and grind the edge of high-quality development in every inch. Strive to be a model of love and dedication, a model of hard work and innovation, an example of overcoming difficulties, and a hero willing to contribute. Set up a great ambition, Ming great virtue, into a great talent, a great responsibility, with industrious hands to command the iron and steel dragon, forge Xinda fine products, promote the transformation and upgrading of the group, play the strongest voice of steel in the new era!
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