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CRRC Sifang Institute (CRRC Brake) won 13 CRRC Science and Technology Awards

Recently, CRRC 2022 Science and Technology Quality Information Work Conference was held in Beijing. At the meeting, the "2021 CRRC Science and Technology Award" was announced, and CRRC Sifang Institute (CRRC Brake) won 13 CRRC Science and Technology Awards.

CRRC Sifang Institute (CRRC Brake) won 13 CRRC Science and Technology Awards

First prize

Research on energy saving and emission reduction evaluation system of rail transit vehicle equipment

The research project on energy conservation and emission reduction evaluation system of rail transit vehicle equipment provides a widely representative field operation data for the analysis of energy consumption characteristics of vehicle equipment and the construction of typical working conditions, sets up a unified standard working condition for measuring the energy consumption of vehicle equipment, establishes an accurate estimation model and a special energy consumption simulation platform ground energy consumption test platform, builds an energy conservation and emission reduction evaluation system for rail transit vehicle equipment based on actual operating conditions, and forms a complete energy conservation and emission reduction evaluation capability of rail transit vehicle equipment. Established rail transit vehicle equipment energy consumption simulation, test test platform and energy consumption test evaluation of the ROLLS series of standards, for a number of projects to carry out energy consumption simulation calculation and standardized energy consumption test and energy saving effect evaluation, the application effect is good, the future will promote the test testing and certification services, the market prospect is broad.

Prize

Research and application of key technologies for fault prediction and health management of rail transit vehicle braking system

The research and application results of brake system fault prediction and health management technology have formed the fault diagnosis, early warning and prediction capabilities of the on-board intelligent unit and core components of the brake system, established a ground intelligent operation and maintenance platform, and realized the application in a number of EMUs and subway train projects, which can lay a solid technical foundation for the improvement of the intelligent level of the brake system and the expansion of the new model of after-sales service.

Development and application of straddle monorail braking system

The output brake cylinder pressure of the integrated brake control device of the straddle monorail is precise and stable, the design is reasonable, the redundancy is sufficient, and the system reliability is high; the air-oil conversion booster device has a compact structure and strong compatibility; the brake caliper fault monitoring system and monitoring method can monitor the action of the brake caliper when there is no brake command, which further improves the safety of the system.

IRS 80845:2021 Elasticity for workshop through-channels

Technical conditions for the supply of flange connectors (rubber windshields).

It fills the gap in the international standard of rubber windshield, has good international versatility and implementability, and writes the applicable content of Chinese products into international standards, continuously helps to enhance the technical influence of China's rail transit vehicles, and polishes crUC's "national business card".

Research on the preparation technology of battery-type supercapacitors

It realizes the application of porous fluid collector in battery-type supercapacitors, newly develops three kinds of supercapacitor electrode materials, proposes a new adaptation process method, and develops a single liquid injection and welding machine cleaning device, which effectively improves the power density and cycle life of the single body, and further improves the production efficiency and product qualification rate.

Design and development of wind power converter systems

Grid-friendly system, can stabilize the adjustment of power grid output; stable fault crossing capability, excellent operating stability under extremely harsh working conditions; independent intellectual property rights control chassis has rich external interfaces and good compatibility; modular, generalized design parallel expansion ability is strong, and operation and maintenance are convenient.

Third

Development of full hydraulic braking system for medium and low speed maglev trains

The first full hydraulic braking method of medium and low speed maglev trains has filled the gap of engineering and industrialization in related fields in China. The braking system response time is increased by 56%, the braking force is increased by 18%, the single-car braking system is reduced by about 400kg, the system has strong anti-electromagnetic interference ability, the brake cylinder pressure control is accurate, and the train running smoothness and precision are high. The key technology of friction pair of maglev train brake clamp and powder metallurgy brake pad has been overcome, and the reliability has been further improved.

Development of hook and slow system for low-floor trams in Europe

The folding hook is arranged reasonably, taking full account of space, function and aesthetics; remote control is realized by electric drive, and the retraction and storage of the extremely narrow space hook slow device is more reliable; the newly developed slide rail type end fixation device is more convenient to operate with one hand.

Key technology application of intelligent manufacturing of high-speed rail vibration damping products

Relying on the demonstration project of the Ministry of Industry and Information Technology of the People's Republic of China to build an intelligent manufacturing factory for high-speed rail vibration damping products, innovate the intelligent flexible green production mode of the whole process information system and the advanced equipment of the whole process automation, and apply intelligent technology to realize the product design - process simulation modeling - production line linkage - virtual presentation application scenarios, the newly invented production technology has reached the international advanced level.

Opening and closing mechanism with self-locking device

The invention patent won the 22nd China Patent Excellence Award, and its success should be attributed to the front-end opening and closing mechanism of "Harmony" and "Fuxing" EMU, with good economic benefits, breaking the dominant position of foreign technology in this field and reaching the international leading level.

In addition, the R&D and application of 3,000-horsepower energy-saving and environmentally friendly shunting locomotives and the research and application projects of high-performance train network control system technology R&D and application projects completed by CRRC Sifang Institute (CRRC Brake) as a participating unit won the special prize and the first prize respectively, and the research and application project of vehicle-ground-network integrated square wave power supply electrical vehicle technology won the second prize.

CRRC Sifang Institute (CRRC Brake) won 13 CRRC Science and Technology Awards

(Reporting by Xiao Fang, client reporter of Dazhong Newspaper and Dazhong Daily)

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