In this challenging year of 2020, Bauma China 2020 (Shanghai BMW Construction Machinery Exhibition), as an important event of the global construction machinery industry, can be held as scheduled in Shanghai New International Expo Center on November 24, which not only conveys the good news of the steady development of China's construction machinery industry, but also provides a platform for construction machinery enterprises to show the new achievements and new achievements of innovation and development, To inject confidence and hope into the development of the industry.
As one of the enterprises that went to the appointment on schedule, Fujian South China Heavy Industry Machinery Manufacturing Co., Ltd. (hereinafter referred to as: South China heavy industry) took the star products of "four new King Kong" to the banquet to tell the story of "we are different", The rich cultural heritage of Quanzhou, the starting point of the maritime Silk Road, and the heroic spirit of Zheng Chenggong's hometown "love to fight and dare to win" are presented to the audience.
According to reports, South China Heavy Industry Co., Ltd., located in Quanzhou Taiwan investment zone, Fujian Province, obtained a forklift manufacturing license in 2011. It is a domestic heavy-duty logistics handling machinery and construction machinery R & D, production and sales service enterprise. Its current product range includes: heavy-duty forklift, cross-country forklift, telescopic forklift and other logistics handling machinery, excavators, loaders and other construction machinery. Power sources include diesel engine, natural gas, pure electric drive, extended range electric drive and plug-in motor drive. In recent years, through the cooperation with Huaqiao University, Fujian Institute of engineering, Quanzhou Equipment Research Institute of Chinese Academy of Sciences and Fujian Special Equipment Inspection Institute, the company has accelerated the pace of product development and upgrading, gradually transformed from the pioneer and leader of China's domestic heavy forklift truck to the pioneer and leader of China's electric construction machinery, leading the trend of technological innovation.
"We are different" and "products are different"
The "four new King Kong" exhibited by South China heavy industry is a series of electric construction machinery newly released in 2020, covering three product series, including electric loader, excavator and forklift.
During the exhibition, Mr. Guo Junfeng, general manager of South China Heavy Industry Co., Ltd., introduced the products and their performance characteristics in detail at the online press conference of new energy engineering machinery series products of South China Heavy Industry Co., Ltd. in 2020.
Mr. Guo Junfeng, general manager of South China Heavy Industry
8t pure electric wheel excavator ( HNE80W-EL)
8 ton pure electric wheel excavator
Innovation:
1. Using the power grid and lithium battery composite power supply technology, both cable direct power supply and lithium battery power supply can be used.
2. Equipment independent research and development of variable speed load sensitive special control system, greatly improve the energy efficiency of the whole machine.
3. Coordinated control of multiple motors can effectively optimize energy management and realize efficient operation of energy flow of the whole machine.
4. 540V high voltage solution is adopted to effectively reduce the current; Equipped with high efficiency permanent magnet synchronous motor, it can realize intelligent variable speed control, high frequency response, low energy consumption, extremely low calorific value, saving 20% compared with asynchronous motor.
5. Lithium battery and hydraulic accumulator are combined to store energy, and the instantaneous power and endurance of the energy storage unit are guaranteed.
2、 25t extended range electric heavy forklift (HNF250-EE)
A 25 ton extended range electric heavy forklift
Innovation:
1. The traditional model of diesel as the main power source of engine is changed, and lithium battery is used as the main power source, supplemented by low-power and low emission engine“ Low emission, low pollution, low noise, low energy consumption ", to achieve the national environmental protection requirements of energy conservation and emission reduction.
2. The energy consumption of the whole machine can be reduced by the way of walking braking energy recovery.
3. The protection grade of the whole machine is IP67, the motor is guaranteed for eight years, the battery has been fully charged and discharged for more than 4000 times, with high reliability and long service life.
3. 5T pure electric loader (HNL50-EL)
5 ton Pure Electric Loader
Innovation:
1. Pure electric loader has changed the traditional type of diesel as the main power source of engine, using motor and lithium battery as the main power source, "zero emission, zero pollution, low noise, low energy consumption", to achieve the national environmental protection requirements of energy conservation and emission reduction.
2. Coordinated control of multiple motors can effectively optimize energy management and realize efficient operation of energy flow of the whole machine.
3. It adopts self-developed constant variable positive flow control system based on variable speed, which can supply on demand and save energy and efficiency.
4. 618v high voltage solution, reduce current, reduce electronic power loss; Equipped with high efficiency permanent magnet synchronous motor, it can be controlled by intelligent variable speed, and the calorific value of the motor is very low.
5. All kinds of negative loads are regenerated for power generation. Based on the energy recovery of power lithium battery, the energy utilization rate of the whole machine is improved.
6. Reasonable heat balance management, complete vehicle monitoring system and high configuration power devices are adopted to ensure the working life of the vehicle.
7. Independent research and development of manual / automatic shift control strategy, smooth driving, smooth shift, strong power.
4. 12t extended range wheel excavator (model: hne120w-el)
A 12 ton extended range wheel excavator
Innovation:
1. The hybrid system can reduce the installed power of engine and meet the National IV emission standard of construction machinery.
2. Intelligent energy management strategy, using the battery to cut peak and fill valley, optimizing the engine working point, improving the energy saving of the whole machine.
3. Innovative power control algorithm, motor variable speed and hydraulic pump variable displacement adaptive composite coordinated control, realize the comprehensive and efficient operation of power system, significantly reduce energy consumption; At the same time, it overcomes the influence of flow saturation of load sensing system on handling performance, and improves movement fluency and operation efficiency.
4. The electronic throttle system with automatic / manual mode can work under heavy load, standard and economic conditions according to different requirements, taking into account high efficiency and different operating habits.
5. Automatic stop idle, reduce motor, pump idle energy consumption, cancel idle can quickly respond and establish the pressure to overcome the load.
6. According to the driving intention and vehicle status information, the intelligent accessory control can control the accessory to work in the lowest power consumption state.
7. Equipped with two speed hydrostatic drive walking system and full hydraulic braking system.
8. Equipped with high efficiency permanent magnet synchronous motor and intelligent variable speed control, the calorific value is extremely low, saving 20% power compared with asynchronous motor.
9. It is equipped with load sensing system (LUDV) to realize the matching of load flow and pressure, i.e. what you get and what you need.
"Technology is different" of "we are different"
In an interview with China forklift network, Mr. Guo junyang, chairman of South China heavy industry, said that South China heavy industry started the research and development of electrification of construction machinery in 2017, and has developed and produced pure electric construction machinery series, extended range construction machinery series and excavator series with cable power supply and dual-mode power supply. In terms of the core technology of electrification of construction machinery, South China heavy industry has successfully mastered the powertrain control technology, composite energy storage technology, multi-mode charging technology, mechatronics matching, energy recovery, high voltage safety technology, reliability and fault diagnosis, etc. in terms of key parts, including motor drive system, power supply system, power supply system, power supply system, power supply system and so on With its shift technology, integrated management and control system, electric drive power coupling has also made rich achievements, which lays a solid foundation for the electrification of construction machinery.
Mr. Guo junyang, chairman of South China Heavy Industry
Chairman Guo stressed that the development of the core parts of new energy construction machinery, such as batteries, motors and electronic control technology, has become increasingly mature. In addition, the national environmental protection regulations are becoming more and more strict, and the new energy of construction machinery will become the mainstream trend in the future. South China heavy industry is willing to be the pioneer of the industry, research and develop more electric drive construction machinery, and promote the further development of the industry.
In cooperation with Ningde times, South China Heavy Industry Co., Ltd. and Ningde Times Co., Ltd. will jointly devote themselves to the research and development of new energy drive applications for construction machinery, and boost the development of electric drive construction machinery industry.
South China heavy industry has signed a cooperation agreement with Fujian special equipment inspection and Research Institute to test the electric wheel excavator and electric crawler excavator for more than 3000 hours under actual and extreme conditions.
Because of the different technologies, the electric driven construction machinery and equipment produced by South China Heavy Industry Co., Ltd. all have the following characteristics:
1. Zero emission, zero pollution and low noise;
2. The electricity cost of pure electric construction machinery is about 30% of that of traditional construction machinery;
3. Low maintenance cost, no need for regular maintenance of diesel engine;
4. The battery has high safety; It can solve the risk of spontaneous combustion / deflagration;
5. The service life of the battery is more than 8 years, and the 1C cycle life of the LiFePO4 battery is more than 4000 times;
6. Optimized energy management, excellent energy efficiency and endurance, combined with large capacity lithium battery, can make the product fully charged, continuous operation for 7-9 hours.
"We are different" and "strategy is different"
When talking about the future development of South China heavy industry, chairman Guo pointed out: "in the future, we will not set foot in traditional construction machinery. We will firmly follow the road of new energy construction machinery. In addition to electrification, we are also doing intelligent unmanned R & D, as well as the data platform of electric construction machinery. Electrification is the basis of intelligence and unmanned. Therefore, in the future, we will consolidate the work of electrification, and on this basis, we will continue to promote the development of intelligent impersonation and data platform. The ultimate development direction of South China heavy industry is to transform into an innovative company with new energy construction machinery as the main strategic direction. "
Concluding remarks
South China Heavy Industry Co., Ltd. started with the localization of heavy-duty forklift trucks, and is also the first company in China to fully localize all core components of heavy-duty forklift trucks. During the hard journey of ten years, Guo Dong led the people of South China heavy industry to uphold the hard-working spirit of Minnan people that "if you love to fight, you will win", dare to think and dare to fight, and achieved good results. At present, the reliability and stability of heavy forklift made in China by South China Heavy Industry Co., Ltd. have been recognized by domestic and foreign markets, and South China Heavy Industry Co., Ltd. has won many honors, such as "national high-tech enterprise", "Fujian science and Technology Progress Award" and so on. At the same time, in response to the national environmental protection policy, South China heavy industry is also at the forefront of the industry, taking the lead in developing a series of more environmentally friendly electric construction machinery products.
China forklift network witnessed the online launch of new energy engineering machinery series products of South China heavy industry in 2020. It is also believed that in the near future, South China heavy industry will release more and more environmentally friendly new energy engineering machinery products, which will contribute to the ecological environment protection while the enterprise develops and grows.
