The working principle of hydraulic gear pump is that when the gear rotates, the volume of the space on the side of the gear becomes larger from small to form a vacuum, and the liquid is inhaled. The volume of the space on the side of the gear meshes from large to small, and the liquid is squeezed into the pipeline.
In terms of terms, gear pump is also called positive displacement device, that is, like a piston in a cylinder, when a tooth enters the fluid space of another tooth, because the liquid is incompressible, so the liquid and tooth can not occupy the same space at the same time, so that the liquid is mechanically squeezed out.
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On the 7th, the municipal government executive meeting discussed and adopted in principle the "Opinions of the Municipal Government on Promoting Sound and Rapid Development of the Bearing Industry," and described the development blueprint for the "12th Five-Year Plan" of the bearing industry in the city. Let us look forward to the 2015 Luoyang Bearing Industry. The advantages will be formed.
Today, the city's key backbone bearing companies are: Luoyang LYC Bearing Co., Ltd., Luoyang Axis Research Technology Co., Ltd., Luoling Automobile Bearing Co., Ltd., Luoyang Xinqiang Lian Slewing Bearing Co., Ltd., SBI Special Bearing Co., Ltd., Henan Xingcai Roller Co., Ltd.
Among them, Luoyang LYC Co., Ltd. is the cradle of China's oversized bearings, and it maintains many records in the field of bearing manufacturing, such as the largest, heaviest, highest precision, and the largest number of parts in the country. In March last year, a set of oversized turntable bearings with an outer diameter of 6.25 meters and a weight of 14.07 tons with completely independent intellectual property rights was born, again creating a new "republic of the country" for bearing products. Axis Research has developed dozens of engine bearings for launching satellites and spacecraft launch vehicles. The 22-category bearings and related products in the seven parts of the Shenzhou Spacecraft series are all developed by Axis Research. The company will be listed among the national high-tech enterprises. It will produce more than 50 new bearing products per month. Its special bearings are widely used in rubber, textile, household appliances, petroleum, power generation and other fields, 70%. The products are sold to Europe and the United States and earn 5 million U.S. dollars annually.
One of the six major efforts in the “Twelfth Five-Year Plan†is to increase investment and increase industrial scale. Relying on key companies such as LYC Corporation and Axis Research Technology Corporation and Henan Science and Technology University, Luoyang Bearing Industry Association, and other units, they aim at world-class domestic and international standards and carry out world top eight bearing companies such as Timken and Schaeffler, and Wanxiang Group. Tianma Bearing and other domestic bearings of the top five companies targeted investment.
The second is to further increase technological innovation and enhance core competitiveness.
The third is to insist on key breakthroughs and promote industrial restructuring and upgrading.
The fourth is to increase industrial concentration and promote the development of industrial agglomeration. In the Yibin District and Yiyang County Industrial Agglomeration Districts, bearing industrial parks will be planned separately, and with these two bearing industrial parks as the key points, enterprises will be guided to agglomeration and development.
Fifth, implement the brand strategy and expand the market share of products.
Sixth, implement the strategy of rejuvenating talents and strengthen the building of talents.
Look forward to high-tech bearing "Luoyang made"
According to the development priorities of the city's "Twelfth Five-Year Plan" bearing industry, we can look forward to the future of "High-Rise" high-tech bearings.
Aerospace bearings. New military engines, rocket engine bearings, and new navigation instrument bearings will all have the shadow of “Luoyangâ€.
Railway passenger car bearings. The Beijing-Shanghai high-speed rail will run this year, and China will enter the “high-speed rail eraâ€. Passenger wheel bearing and tractor bearing will also be used “made in Luoyangâ€.
Industrial robot bearings. Japan deals with radiation accidents at nuclear power plants and uses industrial robots. “Luoyang made†precision thin-wall bearings for industrial robots that work under normal temperature and high temperature conditions and in polluted environments.
New car bearings. Including the third generation, the fourth generation of car wheel bearings, life of 600,000 passenger car clutch bearings, life expectancy of 150,000 kilometers of constant velocity joint assemblies, generator bearings per minute 6500 rpm.
Office machinery bearings. In the near future, the bearings of computers, VCDs, DVDs, CD players, copiers, and printers will also use "Luoyang".
Environmental protection new bearing. Anti-pollution, anti-corrosion ability, selection of special materials, good sealing performance, service life of more than a year of food, chemical, pharmaceutical machinery bearings.
Wind generator bearings. "Luoyang" will manufacture highly reliable, long-life yaw bearings, variable pitch bearings and spindle bearings for more than 25 years.
In addition, automobile, motorcycle, household appliances, railway locomotives, metallurgy and mining machinery, petrochemical machinery, electrical machinery, machine tools, construction machinery and other key host supporting bearings are also "Luoyang made" the focus of research and development.
2015 target: Main business income exceeds 40 billion yuan In 2015, the city's above-scale bearing industry target: the main business income exceeds 40 billion yuan, and Luoyang bearing products account for about 1/6 of the domestic market, occupying a dominant position. Among them, Luoyang LYC Bearing Co., Ltd.'s main business income exceeds 10 billion yuan, becoming the first in the domestic industry's overall strength, the world's top ten bearing industry; Luoyang Axis Institute of Technology Co., Ltd. main business income of more than 5 billion.
In accordance with the goals and tasks, the leading products in the bearing industry of our city are upgraded; the backbone enterprise technology equipment and leading products are in the leading position in China; the three major bearing products such as bearings for aerospace bearings, high-speed railways and rail transportation vehicles, large-scale and extra-large bearings have become the domestic First, the world-class, to build our city into a leading domestic bearing R & D and manufacturing base, an important international bearing supply center.
Looking forward to high-tech bearing "Luoyangzai" 2015 target of more than 40 billion in revenue>
50 years, the formation of industrial advantages Luoyang Roller Factory as a national "1 5" key projects settled in the city, laid the foundation for the city as the country's three major bearing industrial base. After more than 50 years of development, the company has a large number of bearing R&D and production companies, and has a wide range of professional products. The bearings produced are widely used in automobiles, railway vehicles, metallurgical machinery, mining machinery, petroleum equipment, electric power, aerospace and other host fields. Products are sold to all around the world. The bearing industry has become a traditional advantageous industry in our city.