As a country with rich mineral resources and energy consumption, China’s demand for mining dump trucks has grown rapidly in recent years. The high-speed period for the production of mining dump trucks in China was ushered in this century. The working conditions of mining dump trucks are extremely complex: they often work in open pits, where dust is concentrated and where heat is difficult to disperse; there are many ramps and bends, and the road conditions are complex; the environment in the mining area is very different, involving high temperatures, high temperatures, high altitudes, etc. Different environments. All of these impose harsh requirements on the engine of the mining vehicle. The performance of the engine is one of the core indicators to test the quality of the mine.
At home, China National Heavy Duty Truck 's engine is one of the earliest engines equipped with mine cards, and it is also the first domestic manufacturer to focus on the specific power of mine cards for this segment of the market. Heavy-duty engine is currently supporting dozens of major OEMs such as China National Heavy Duty Truck, Anhui Hualing, Shaanxi Tongli, Yitu Matka, SAIC Iveco Hongyan, etc. and maintain long-term supporting cooperation. In the year of 2012, CNHTC Motors sold a total of 6,000 special mining truck engines, and the market share of mining dump trucks was nearly 60%.
At present, the engines of domestic mining dump trucks are mainly general truck power models and cannot be well adapted to the working conditions of mining dump trucks. In the development of engines for mining dump trucks, heavy duty engines have always been professional and focused. The heavy-duty mining dump truck exclusive engine exclusively uses a double-wall reinforced wide-body to significantly increase the rigidity and strength of the engine body. A large number of practices have proved that the special power used by China Heavy Duty Truck Dump Trucks is fully adapted to the rough and uneven road conditions, the large number of corners, and the vibration of the vehicles, effectively overcoming the batch failures of the timing gear chamber tearing of the narrow-body engines. For the long-distance uphill or downhill running conditions of the mining dump trucks, the EVB is standard on the CNHTC Mining Dump Truck engines, which significantly increases the braking performance of the vehicle and reduces the driver's work intensity while reducing The wear of the entire vehicle brake system also improves the safety of the vehicle's operation.
At the same time, in order to ensure effective supply of engine oil when working on steep slopes, China Heavy Truck Mining Dump Truck Engine is equipped with a dual-stage oil pump as standard to ensure effective lubrication of the engine and reduce wear. In addition, the application of the automatic tensioner and V-ribbed belt drive can increase the service life of the engine belt and reduce the workload of the driver. In view of the features of the mine dump truck engine operating at around 2000 rpm for a long time, CNHTC optimizes the matching between the air intake system and the fuel supply system so that the engine can reduce the high-speed operating conditions while ensuring the starting performance. Fuel consumption. The application of electric preheating device ensures that the engine starts normally in cold weather. The use of the internationally renowned brand MANN+HUMMEL fuel filtration system can effectively improve the filtration efficiency, reduce the filtration resistance, and have the oil-water separation function. These are all technically powerful guarantees for the smooth operation of the mine card.
The working conditions of the mine card are poor and many are located in remote mining areas, which brings many difficulties to the manufacturers' spare parts and services. It is understood that CNHTC Engine Sales Department has effectively solved the problem of parts and services in the mining area, and put spare parts for maintenance in major mines in Inner Mongolia, Shanxi, Shaanxi, Gansu, Ningxia, Xinjiang, and Yunnan, and provided 24-hour resident service to key mines. , To provide mine card users with timely and effective nanny service.
In the Ningxia Hongguo Open-pit Coal Mine, the user Mr. Gu purchased for the first time two Youngman mining trucks equipped with heavy-duty engines . After more than one year of use on the mine, Mr. Gu said: “Climb the same at full load. Slope, the mining industry in the same industry should use a 1 or 2 block throttle to step on a slow climb, and my mine car uses 3 or 4 speed throttles to push other people's cars." CNHTC's 24-hour resident mine service, followed by the purchase of five Young Man mining vehicles. Mr. Gu said that this year, the mine opened the user to purchase 10 mining vehicles, emphasizing that it must be equipped with heavy-duty mining engines.
In Erdos City, Inner Mongolia, Jingheng Motor Manufacturing Co., Ltd., which started production of wide-body mining dump trucks this year, chose the power support because of its market reputation in the field of wide-body mining vehicles and its high cost-effectiveness. The time selected heavy truck brand.
In response to the new situation of the national energy conservation and environmental protection policy, the Sinotruk card engine has developed two series of 10L and 12L natural gas, which are widely used in the 30 to 80-ton series of mine cards, and the 10L natural gas engine is the T10 series. 290Ps to 340Ps, rated speed of 2200 rpm, maximum torque of 1350N.M; 12L natural gas engine for the T12 series, adapted power section from 380Ps to 420Ps, rated speed of 2000 rpm, maximum torque of 1820N.M. In the product development, the heavy engine of the engine is located at the user's point of view to design and transform. It is believed that energy saving is a way to more effectively allow users to accept environmental protection policies than advocate environmental protection. Heavy-duty natural gas engine has been controlling its own gas consumption in the range of 3 to 5 percentage points lower than that of similar domestic gas engines, saving fuel costs for users.
Under the increasingly fierce competition of domestic engine brands, CNHTC Engine has been striving to develop mine card power with a steady pace, taking the user's needs as the driving force behind product development, and stably building a trustworthy power brand.
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