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Leading “Made in Zhejiang” with innovation

Mar 4, 2024 | Leading Companies in China | 0 comments

In 1960, my country’s first marine gearbox manufacturing enterprise, Hangzhou Gearbox Factory, was established in Hangzhou. Since its establishment, it has shouldered the important mission of developing and manufacturing gearboxes for fishing boats. Over the past 60 years, from Hangzhou Gearbox Factory to Hangzhou Qianjin Gearbox Group Co., Ltd. (hereinafter referred to as “Hangzhou Gear Group”), the company name has changed, but its original intention for technological innovation has been rock-solid; over the past 60 years, Hangzhou Gear Group has not only filled in the It has filled many gaps in my country’s transmission manufacturing industry and has become my country’s well-deserved leader in gear transmission.

As one of the first batch of national manufacturing individual champions and a key national gear transmission enterprise, Hangzhou Gear Group has formed core technologies in the gear transmission field with complete independent intellectual property rights, and stands at the forefront of the industry in the name of “Made in Zhejiang”. Based on its main business in the transmission field, Hangzhou Gear Group closely focuses on the construction of the provincial “315” scientific and technological innovation system project, continues to improve its independent innovation capabilities, and firmly seizes the initiative in the development of high-end equipment manufacturing with key core technologies.

In 1960, my country's first marine gearbox manufacturing enterprise, Hangzhou Gearbox Factory, was established in Hangzhou. Since its establishment, it has shouldered the important mission of developing and manufacturing gearboxes for fishing boats. Over the past 60 years, from Hangzhou Gearbox Factory to Hangzhou Qianjin Gearbox Group Co., Ltd. (hereinafter referred to as "Hangzhou Gear Group"), the company name has changed, but its original intention for technological innovation has been rock-solid; over the past 60 years, Hangzhou Gear Group has not only filled in the It has filled many gaps in my country's transmission manufacturing industry and has become my country's well-deserved leader in gear transmission. As one of the first batch of national manufacturing individual champions and a key national gear transmission enterprise, Hangzhou Gear Group has formed core technologies in the gear transmission field with complete independent intellectual property rights, and stands at the forefront of the industry in the name of "Made in Zhejiang". Based on its main business in the transmission field, Hangzhou Gear Group closely focuses on the construction of the provincial "315" scientific and technological innovation system project, continues to improve its independent innovation capabilities, and firmly seizes the initiative in the development of high-end equipment manufacturing with key core technologies.

Focus on making gear transmission bigger and stronger Realize domestic substitution

Since the 1980s, Hangzhou Gear Group has digested and introduced foreign advanced technologies on the basis of independent development and achieved innovative breakthroughs. Its leading products have gradually expanded from a single marine gearbox to ship propulsion systems, engineering machinery gearboxes, and wind power growth. There are more than a thousand varieties in ten categories, including gearboxes, automobile transmissions, agricultural machinery transmissions, rail transit transmissions, industrial gearboxes, special products, powder metallurgy products, and large precision gears. At present, the product fields involve shipbuilding industry, engineering machinery, automobile industry, wind power generation, agricultural machinery and other industries.

In October 2018, Hangzhou Gear Group was entrusted by a customer to develop and assemble gearboxes for 46,000-ton bulk carriers. Different from the traditional 50,000-ton wheel-stage power system, complex calculations are required to cleverly add a gearbox to match the speed of the diesel engine and propeller. Faced with huge technical challenges, the company set up a project team, which lasted 11 months and made major breakthroughs in key technical fields such as high-torque clutches, heavy-load sliding bearings, and high-flow hydraulic system design. It completed a full set of design drawings and independently conquered many problems. Item manufacturing problems. In August 2020, the product passed the factory test at one time and was delivered. In March 2021, with the successful trial of the ship, it marked the successful independent research and development of my country’s largest power GWC85/100 marine gearbox. Compared with similar international competing products, this product not only significantly saves energy consumption and reduces carbon emissions, but also exceeds customer expectations in terms of design requirements such as commutation performance and noise indicators. In addition to its application and promotion in the field of large-scale ocean-going transport ships of 10,000 tons, this achievement can also be used in special ships. It marks that the Chinese have mastered the key core technologies in the research and development and manufacturing of ultra-high-power marine gearboxes, and further established Hangzhou Gear Group’s position in the country. An important position in the marine gearbox industry.

“With the insistence on innovation of three generations of Hangzhou Gear people, as a national brand, Hangzhou Gear Group has continuously accelerated localization substitution and continued to export Zhejiang’s strength to China’s manufacturing industry.” Yang Shuiyu, chairman of Hangzhou Gear Group, said that in recent years, the company has been based on “innovation, “Intelligent manufacturing” promotes high-quality and sustainable development, breaks through “stuck neck” technologies such as automatic control of electromechanical and hydraulically controlled automatic shift transmissions, and takes the lead in carrying out research and industrialization of automatic control technology on high-power engineering machinery transmissions. This technology has already It is widely used in agricultural machinery, marine and other product fields.

By leading and participating in a number of key projects under the national key R&D program “Manufacturing Basic Technologies and Key Components”
In this project, Hangzhou Gear Group has overcome many basic scientific research problems in domestic gear transmission materials and testing. Among them, many products such as high-power construction machinery automatic transmissions for port machinery, tidal power generation gearboxes for tidal power stations, and drum network reduction gearboxes for nuclear power plants have become high-tech new products that replace imports and break foreign monopolies. product. The self-developed ship integrated power propulsion system applies internationally leading core technologies with independent intellectual property rights such as adjustable pitch propellers, remote control and automatic fault diagnosis to realize ship driving automation, breaking the long-term monopoly of foreign technologies and providing opportunities for our country The shipbuilding industry and industrial development have played an important role in promoting it.

Promote joint research and development between schools and enterprises

Build a solid foundation for innovation

In recent years, Hangzhou Tooth Group’s average annual R&D investment has remained above 5% of its main business income. As a high-tech enterprise focusing on the research and development of gear transmission devices, Hangzhou Gear Group has profound technical accumulation and a multi-field transmission device research and development platform. It has established a national-level enterprise technology center, a national-level postdoctoral research workstation, Zhejiang Forward Transmission Technology Research Institute, Zhejiang Provincial Key Laboratory of Gear Transmission and Friction Materials Research. As of the end of 2022, it has a total of 316 valid patents, including 52 invention patents, has presided over the revision of 38 national standards and industry standards, and completed 53 provincial-level industrial new product identifications. Its technological level and R&D capabilities have always been in the leading position in the industry.
In addition, Hangzhou Gear Group actively undertakes national and provincial-level scientific research projects, and presided over the completion of the “Twelfth Five-Year Plan” national science and technology support plan “Research and Application of Key Technologies for Lightweight Marine Gearboxes” and Zhejiang Province’s major science and technology project “High-Power Marine “Research and Application of Key Technology of Gearboxes” and other projects. The “Key Technology and Industrialization of High-end Heavy-Duty Gear Transmission Device” project won the second prize of the 2014 National Science and Technology Progress Award; the “Key Technology Research and Application of High-Power Marine Gearbox Transmission and Propulsion System” project won the 2016 National Science and Technology Progress Award. Awarded second prize.

In 1960, my country's first marine gearbox manufacturing enterprise, Hangzhou Gearbox Factory, was established in Hangzhou. Since its establishment, it has shouldered the important mission of developing and manufacturing gearboxes for fishing boats. Over the past 60 years, from Hangzhou Gearbox Factory to Hangzhou Qianjin Gearbox Group Co., Ltd. (hereinafter referred to as "Hangzhou Gear Group"), the company name has changed, but its original intention for technological innovation has been rock-solid; over the past 60 years, Hangzhou Gear Group has not only filled in the It has filled many gaps in my country's transmission manufacturing industry and has become my country's well-deserved leader in gear transmission. As one of the first batch of national manufacturing individual champions and a key national gear transmission enterprise, Hangzhou Gear Group has formed core technologies in the gear transmission field with complete independent intellectual property rights, and stands at the forefront of the industry in the name of "Made in Zhejiang". Based on its main business in the transmission field, Hangzhou Gear Group closely focuses on the construction of the provincial "315" scientific and technological innovation system project, continues to improve its independent innovation capabilities, and firmly seizes the initiative in the development of high-end equipment manufacturing with key core technologies.

In 2008, Hangzhou Tooth Group Technology Center was recognized as a national-level enterprise technology center and established a national-level postdoctoral research station. Taking this as an opportunity, the company further increases industry-university-research cooperation with well-known domestic universities, jointly carries out strategic research and development and key technology research closely related to industrial development, and conducts scientific and technological project research, laboratory co-construction and talent training. Fruitful results have been achieved in other aspects, and key problems restricting the technological development of the group company have been solved.

Cooperated with Chongqing University to establish the Zhejiang Provincial Key Laboratory of Gear Transmission and Friction Materials, built a high-power gearbox and powder metallurgy friction plate test platform, and comprehensively improved the performance testing capabilities of gear transmission devices and friction materials; cooperated with Zhejiang University and the Chinese Academy of Sciences Mechanics The research institute and others jointly carried out basic scientific and technological research and strategic product development, and the results were transformed and applied in many sectors such as shipbuilding, wind power, and engineering. 93 new product developments and 11 key parts and components were completed; in cooperation with Xi’an University of Electronic Science and Technology of China, Hangzhou Research Eight units including the institute and Zhejiang Zhaofeng Mechanical and Electrical Co., Ltd. formed an innovation consortium to complete a series of product research projects for high-power electromechanical and hydraulically controlled automatic transmissions.

Over the years, Hangzhou Gear Group has always prioritized the construction of a skilled talent team. In view of the actual transformation of the company’s intelligent manufacturing, Hangzhou Gear Group actively explores the training model of composite technician talents under the new situation. It has established a joint postgraduate training base with Zhejiang University and Zhejiang University of Science and Technology, and relies on Chongqing University, Zhejiang University of Technology, China Jiliang University and other universities to carry out joint postgraduate training to meet the demand gap for comprehensive professional talents.

At present, Hangzhou Tooth Group has established master studios at the national, provincial, municipal and district levels. By selecting two batches of “Hangzhou Tooth Craftsmen”, it has realized the echelon reserve construction of skilled talents. In order to stimulate the innovation vitality of scientific researchers, the company has held a scientific and technological innovation conference every five years since the 1980s to reward teams and individuals who have made outstanding contributions in product development, technological progress, corporate management and production fields, and to stimulate employee independence Innovation enthusiasm and creativity promote the company’s technological iteration and innovative development. At present, the Enterprise Science and Technology Innovation Conference has been successfully held for eight times. In the past two sessions, a total of 4.57 million yuan in incentives, 76 progress awards (projects), and 75 contribution awards (individuals) were awarded.

“Hangji Group will continue to move forward on the road of technological innovation.” Yang Shuiyu said that in line with the national industrial development orientation, Hangzhou Gear Group will aim to build a high-end equipment manufacturing industry, stick to its main business of transmission devices, develop towards intelligent, green and service-oriented products, and seize strategic opportunities to accelerate the formation of “internal and external Double cycle”. In the future, we will focus on product research and development in key areas of high-end equipment manufacturing such as high-power automatic control and intelligent transmission devices. Currently, some products have passed the provincial-level industrial new product appraisal and are undergoing industrial expansion.

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