China National Heavy Duty Trucks had a strong attack in 2009 and launched a grand new series of 09 heavy trucks.
China National Heavy Duty Truck 09 heavy truck series products are far ahead of domestic similar models in terms of safety, reliability, fuel economy, and environmental protection technology, which fully embodies the new concept of heavy truck technology. It is a truly intelligent, high performance heavy truck that has achieved fuel economy, efficiency, comfort, safety, intelligence and reliability.
09 heavy truck products technical characteristics
Vehicle part
China National Heavy Duty Truck aims to match high-tech and perfect powertrain, allowing Chinese users to enjoy the most advanced truck driving pleasure in the world, while enjoying the fuel consumption to a minimum.
It adopts the most advanced international engine and drive train matching technology route. That is: wide-speed belt high-torque common-rail engine + tiptronic gearbox (SMART SHIFT-AMT-literally translated as "smart gearshift") + small speed ratio drive axle. Bring China's trucks into the epoch-making automatic shifting stage, and make its fuel consumption lower than manual shift by 35%.
Divide the tractor into standard and heavy type
Standard type tractor: It is mainly used for inter-provincial long-distance transportation conditions.
1) Change in announcement parameters: 400-500 kg in weight reduction, 3 people in the cab; 2) 300×90-8 single-layer adjustment of the frame longitudinal beam, and the material is upgraded to high-strength low-carbon alloy steel with 880 MPa high strength. China National Heavy Duty Truck Group guarantees the frame strength when the total train weight is less than 75 tons when operating on graded highways; 3) the new 7 tons front axle; 4) the front axle of 4×2 and 6×4 tractors adopts multi-leaf springs and other strength However, the leaf spring structure with low self-heavy weight; the front double-shaft 6×2 tractor, the first shaft adopts a small leaf spring, and the second shaft adopts a significantly lower air spring. The 6×4 rear axle suspension adopts a new (model) suspension system developed in cooperation with Henderson of the United States. When the bearing capacity is consistent with multiple leaf springs, the weight is reduced by approximately 450 kg (available after March 2009. ); 5) A variety of rear drive axles are optional.
Heavy duty tractors: for heavy load conditions.
1) Frame longitudinal beam adjustment 300×90-8+4 double layer; 2) New 9 tons front axle; 3) Rear suspension adopts dump truck leaf spring, four-seat bolts; 4) Rear axle adopts self-unloading casting wheel deceleration bridge.
HOWO9500 long car
The domestic transportation environment expects that the factory can provide transportation and long-duty truck heavy trucks. The combination of a 9.5-meter carriage and an abundant power system will allow you to easily and efficiently complete your transportation business and achieve good returns.
09 HOWO dump trucks have greatly improved their ability to pass
The 09 HOWO dump products raise the relevant components such as water tanks, intercoolers, and engines, and increase the approach angle by 3°, greatly improving the vehicle's passability, and easily coping with complicated and varied engineering road conditions.
HOWO Dangerous Goods Special Carrier (ADR)
So far, China's first real heavy cargo transporter for dangerous goods. The technical performance of the product fully satisfies the Chinese regulations on the transport of dangerous goods and meets the requirements of European ECE R105 (ADR). You don't have to buy expensive imported cars to transport dangerous goods!
Main features: New design of electrical system, emergency power main switch system and trailer socket. The use of weak electrical switch signal control relays, to achieve the purpose of safe connection or cut off the power supply, to prevent the occurrence of arcs, sparks. In the event of an emergency power failure, the ECU can realize delayed power-off function and will not generate electric sparks; maximizing the protection of personnel and social safety. All related parts are purchased in internationally renowned brands.
China National Heavy Duty Truck 09 heavy truck engine technical characteristics
High Pressure Common Rail III Engine
266PS, 290PS 336PS: Rated speed is adjusted from 2100 rpm to 1900 rpm, from four to two valves, standard EVB (exhaust valve braking), the maximum torque from 1100NM, 1170NM, 1350NM, to 1190NM, 1290NM, 1490NM.
375PS rated speed is adjusted from 2100 rpm to 2000 rpm, four valves, standard EVB (exhaust valve brake), the maximum torque increased from 1500NM to 1590NM.
All common rail engines are equipped with dual power switches that allow the user to select high and low power operation based on the vehicle load status.
Electronically controlled EGR III engine
Sinotruk cooperated with RICARDO and DELPHI of the United Kingdom to carry out research and development with electronically controlled inline pumps and cooled electronically controlled EGR systems. After extensive trial and error tests, it successfully developed the electronically controlled EGR III engine for two years. After mass market in 2008, its fuel economy, oil adaptability, power, reliability, and maintenance convenience were highly recognized by users and the market responded well.
Natural gas engine
The WT615 series CNG engine inherits the compact structure of the WD615 series. The gas supply system and ignition system technology are ahead of similar domestic products. The ignition advance angle is more optimized, and the injection quantity of natural gas can be controlled more accurately. The combustion efficiency is high, and the high torque speed range Large, can make vehicles have a good start, acceleration and climbing performance. Compared with diesel engines with the same power, the engine has good fuel economy over the entire operating range, which can greatly reduce the fuel cost for vehicle operation.
D12-12 Elevated Pressure Common Rail Engine
The newly designed Sinotruk D12 series engine is currently the most representative heavy-duty engine in China, with a power range of 340-460Ps.
CNHTC has developed a series of new technologies and achieved significant differentiation results. Large displacement and high power have enabled DR to provide sufficient vehicle power from a low speed, and at the same time, its maximum torque value in a wide range of speeds, Determined the perfect fuel economy and driving performance of the D12 engine.
Technical features: 1) Using electric company's new generation of electronically controlled common rail fuel system, the spray atomization degree is more precise; 2) New technology improved DLC fuel injector has higher reliability and wear resistance; 3) Silicon oil fan The sensitive reflection of temperature ensures that the engine reaches a constant temperature state quickly, and is well integrated with the common rail technology, resulting in a fruitful fuel saving effect. 4) Engine Exhaust Valve Brake (EVB) technology, which can provide about 240 horsepower braking power, greatly extend the service life of brakes and tires; 5) Use avalanche diode generators to make the vehicle circuit and electronic control The quality has reached a new level; 6) The composite oil sump is light and strong, and it can greatly reduce engine noise.
Engine component technology upgrade
1. Exhaust valve braking (EVB) technology application
Engines equipped with EVB technology can achieve high braking power by stepping on the exhaust brake button valve when the truck is required to decelerate on a long slope or when the vehicle speed is high. China National Heavy Duty Truck's EVB can provide braking power of about 240 horsepower. By reducing the use frequency of service brakes, the service life of brakes and tires is greatly extended.
2, the application of silicone oil fan
All common-rail engines come standard with silicone oil fans, and the silicone oil fan's sensitive response to temperature ensures that the engine quickly reaches a constant temperature.
Avalanche diode generator application
1) Built-in fan cooling effect is good to prevent malfunction caused by poor heat dissipation of electrical components. 2) It can suppress the over-voltage of the generator due to the abrupt change of the engine speed on the whole vehicle or the accidental load of the whole vehicle. At the same time can also play a role in the protection of the regulator to extend the life of the generator. 3) The pulse voltage caused by switching off the inductive load of the vehicle power system can be clamped within the avalanche voltage. 4) Improve the electromagnetic compatibility of the generator and better protect the ECU and other microelectronic components on the vehicle.
Added start protection function in common rail engine ECU
In order to prevent starter damage caused by abnormal starting, China National Heavy Duty Truck III diesel engine has added start protection function in ECU.
China National Heavy Duty Truck 09 heavy truck new technology parts and components
SMARTSHIFT-AMT smart shift manual transmission.
AMT is the standard technology for the world's high-end heavy trucks. 50% of European trucks use AMT gearboxes. The launch of China National Heavy Duty Truck SMARTSHIFT-AMT enables Chinese users to enjoy the operating comfort of the international high-end heavy trucks, thereby upgrading China's heavy truck technology to the ranks of the world's advanced heavy trucks and leading China's heavy trucks into the era of automatic shifting.
China National Heavy Duty Truck SMARTSHIFT-AMT transmission is a 16-speed electronically controlled, automatic transmission, just like a highly skilled driver driving a truck, with higher fuel efficiency.
10 gear box standard use
The 09 models are equipped with a 10-speed gearbox and above, matched with a high-torque engine and a small speed ratio drive axle, which constitutes the perfect power platform for heavy trucks. With a wide range of speed ratios, small step ratios, and a large head-to-speed ratio, higher vehicle speeds are achieved when the vehicle is in the best economic speed range. Especially in the conditions of complex road conditions, long-term low-speed heavy-load (mountain and mine, etc.) operating conditions, heavy starting, strong climbing ability, especially outstanding performance. The large transmission ratio and small differential characteristics have effectively improved fuel economy.
430 pull type diaphragm spring clutch
All new diaphragm spring materials and friction plate components imported from Germany. The driven disc torsional vibration damper adopts the design of large torsion angle and small torsional stiffness. The disc hub machining adopts advanced laser technology. Through 3 million life tests and harsh real-vehicle road tests, product performance and quality work force value uniformity reached the international advanced level.
09 front axle
The new front axle (front axle), which is optimized using finite element and related engineering software, is divided into two categories: 7 tons and 9 tons:
—— New 7 tons front axle: China National Heavy Duty Truck's newly developed front axle for road vehicles, bearing better than domestic similar models, stability and steering flexibility, due to the application of a new processing technology, so that reduced weight, increased reliability .
——The new 9 tons front axle: It is the front axle with the highest bearing capacity in China at present, and its self weight is the same as that of the original HOWO front axle. After a lot of tests, its maneuverability and reliability have reached the best status.
Sinotruck and you will be full of trust in it. CNHTC's new 7-ton and 9-ton front axles are all equipped with disc brakes as standard, which is another unique application of the domestic heavy-duty tractors, which is completely consistent with the configuration of the latest heavy trucks in Europe and America.
Sinotruck disc brake
Disc brakes are standard on the world's high-end heavy trucks. With the "front and rear drum" configuration, the stability of the vehicle brake can be optimized.
Compared with drum brakes, disc brakes have high speed, high load, and high braking efficiency at high temperatures; the brakes are more stable and comfortable; the heat dissipation is good, and the replacement of brake pads is more convenient and has outstanding advantages.
Sinotruck Disc Brake is a patented product with complete intellectual property rights. Compact structure, light weight, automatic adjustment of braking gap, short braking distance, outstanding braking efficiency. Effectively reduce puncture. At the same time, the output of the braking torque is stable and the braking is stable, which effectively solves the problems of brake swing and brake runaway. Its service life is much higher than that of a drum brake. The successful research and development of disc brakes by China National Heavy Duty Truck has made China's truck technology a big step forward.
Brake shoe width increased from 185 to 220 for engineering vehicles
Operation safety, long service life, and low maintenance cost are the strong requirements for brakes of many users, especially for heavy-duty trucks with heavy load conditions. China National Heavy Duty Truck's wide body brake has made outstanding contributions to the technical improvement of the brake and the safe operation of the vehicle.
Through the optimal design of the brake drum brake shoes and so on, under the premise of controlling the weight, the brake shoe width is increased from 185 to 220, achieving a safe and reliable braking, smooth braking, good heat dissipation, long service life, and operating costs Low goal.
Application of VDO Instrument and Electrical Control Module
The vehicle adopts CAN bus instrument. The entire instrument is controlled by the central control unit (CBCU) through CAN. There are only 3 power lines and 4 CAN lines. No other signal input reduces the adverse effect of external factors on the instrument.
CBCU uses a 32-bit processor, has two sets of CAN lines for information and power, and has a complete protection function. When the output port is short-circuited, the CBCU will automatically cut off the power output without damaging the CBCU or the corresponding fuse. At the same time, the corresponding fault will be displayed on the large orange-backlit LCD screen.
Optimized simplification of leaf springs and shock absorbers
The application of the new structure shock absorber changes the connection method of the shock absorber, so that the shock absorber is no longer affected by the number of leaf springs and the thickness of the leaf spring, and a type of stroke and two kinds of damping can be used to meet the road vehicles respectively. The need for engineering vehicles reduces the type of shock absorbers, which not only facilitates production organization management but also facilitates user maintenance services.
New V-bar application
The new V-bar assembly has been fully upgraded. The front ball pin assembly uses a combination of an elastomer body and a radial joint bearing. Due to the adoption of the radial joint bearing, the vertical resistance of the V-bar is reduced, and the elastic body is improved. The force situation.
The rear ball pin assembly adopts a radial joint bearing structure to improve the wear resistance and impact resistance. The improved V-bar assembly improves the life of the V-bar, increases the lateral stiffness of the V-bar, reduces the lateral sway of the rear axle, and improves the reliability of the V-bar.
China National Heavy Duty Truck saddle
Newly designed saddle connection device, saddle mounted on the inside of the frame, optional four-seat bolt reinforced suspension.
The ordinary saddle reduces the height of the vehicle by 33mm. The single-layer frame of high-strength steel can reduce the height by 75mm; the reinforced saddle reduces the height of the entire vehicle by 15mm, which improves the driving safety of the vehicle.
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