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At present, foreign construction machinery companies represented by excavator production enterprises have started hybrid new product R&D and achieved certain results. On February 5, 2009, Doosan Heavy Industries announced the start of the development of a hybrid excavator, which is expected to be completed in 2014. The new hybrid excavator will reduce carbon dioxide emissions by 35%, save 35% of fuel, and each machine will save about 17 million won per year. In April 2009, Case Corporation of the United States displayed the CX210B hybrid excavator recently developed with Sumitomo Corporation at the French Construction Machinery Exhibition. The excavator was driven by a motor and connected to an ultracapacitor that can store electrical energy. Compared with conventional batteries, supercapacitors can store electricity directly, thus achieving energy-saving effects.
Japan is a country with a lack of resources, and it is particularly concerned about energy conservation. It is not far behind the development of hybrid power products. In March 2009, it was reported that Sumitomo Construction Machinery Co., Ltd. will launch the world's first hybrid disk-lifting excavator. The excavator is mainly used for handling broken steel work. Due to long working hours, the mechanical body used for energy recovery has high rotation frequency and is suitable for hybrid technology. According to the "Nihon Keizai Shimbun" report, Mitsubishi Heavy Industries will also launch a hybrid forklift equipped with both a fuel engine and a lithium battery in October this year. Its fuel efficiency is 40% higher than that of a conventional car. Komatsu Motors plans to launch a generator for hybrid vehicles for the production of a new generation of forklifts' subsidiary from 2009 to 2010. In addition, Japan’s Toyota Automatic Weaving Machine Co., Ltd. will also start production of hybrid forklifts using nickel-metal hydride batteries in December this year. Toyota Automatic Weaving Machine Co., Ltd. holds 70% of the US hybrid vehicle market. Its Toyota Prius has the highest sales of hybrid vehicles. The battery that the Toyota Prius carries will be modified for use on a forklift. It is also understood that at present, Germany is also developing a new type of hybrid excavator, which is expected to reduce energy consumption by 40%.
The application and research and development of domestic construction machinery enterprises in hybrid power have also entered the initial stage. The domestic company Shanhe intelligent forklift products can be equipped with a hybrid power system, and the key scientific research projects of “New key technologies and systems for hybrid construction machinery†organized by Jiangye electromechanical technology company stand out among many strong competitors and is expected to be included in the national “863â€. "plan. Of course, relative to the full bloom of foreign companies, our country is still somewhat backward in this respect.
Construction machinery products are large consumers of oil, and each time the production companies' technological progress in “economization†has become a huge selling point for products to the market. The research and development and application of hybrid construction machinery require continuous improvement of technology. Compared with traditional products, the price of hybrid construction machinery will be higher, and its development will take a long process. However, with the deepening of the concept of global environmental protection and energy conservation, hybrid power will become a trend in the future industry production. For the Chinese construction machinery industry, which is seeking to transform itself from a manufacturing country to a manufacturing powerhouse, whether it is a host company or a supporting company, it is necessary to take the lead in developing advanced technology research and development in order to grasp the future development trend of the market in advance.
Hybrid machinery will become a new trend in development
In recent years, some international big-name construction machinery companies have introduced hybrid power products. What is hybrid power? Will it become the future development trend of construction machinery products?