Although the weight is now calculated according to the axle, the standard load is still used as the evaluation standard of whether it can get on the high speed, and Dora fast running is still a mainstream direction. To solve this problem, commercial vehicle enterprises are constantly tackling and developing the concept of truck lightweight, from the first 10 tons to 9 tons, and now more than 8 tons.
Do you know what the minimum weight of a conventional standard three axle 6x4 tractor can achieve? Let Dongfeng Tianlong KL tell you the answer!
This is an extremely lightweight version of Dongfeng Tianlong KL tractor. According to official data, its minimum weight can reach 6.8 tons, which is about 2000kg less than the conventional sales models on the market.
Extremely lightweight, the drive shafts are made of carbon fiber:
Compared with the conventional car rims made of aluminum alloy, it weighs more than 6.5 kg, which is more than enough to reduce the weight of the conventional car rims.
The rear axle drive axle tires use a single set of wide section tires, model 425 / 65r22 5. In order to ensure the same grip and braking performance as double tires, special drive pattern tires are selected on the tire pattern.
There is also a lightweight detail on the front axle, that is, the maintenance free wheel end. It is different from the common Kangmai TP wheel end on the market. This vehicle uses TN lightweight maintenance free wheel end. It uses aluminum alloy on the end cover and internal parts, which can also help reduce the dead weight of the whole vehicle.
The brake of the whole vehicle is disc brake, which gets rid of the heavy drum brake and improves the brake response. Then from the rear, the material of the balance shaft tie rod of this car is also aluminum alloy. At present, there are not many such configurations.
The highlight of this car's lightweight is still the girder. The whole girder is made of aluminum alloy from beginning to end, including the middle beam and reinforcing beam. In this way, the weight of the whole frame can be reduced by about 40%. At the same time, it also has the advantages of corrosion resistance, elasticity and high recycling residual value.
In this extremely lightweight heavy truck, not only a large number of aluminum alloy materials are used, but also carbon fiber is used on the transmission shaft. Compared with metal parts, this material can greatly reduce the self weight under the same volume, and also has the characteristics of high torque bearing. Its strength is higher than that of metal transmission shaft.
Autonomous dragon engine power, higher matching and fuel saving:
In terms of power, Dongfeng Tianlong KL ultra lightweight model uses a full set of dragon engine power chain, and the first one to bear the brunt is the independent dragon engine - DDI 11-465. The machine data is very objective, with a displacement of 10.8l, a maximum output horsepower of 465 HP and a torque of 2240n m. The maximum torque output speed range is 1100rpm - 1600rpm.
This engine has two main features. The first is lightweight. Many parts of the engine are made of composite materials and aluminum alloy materials, such as upper cover, oil pan, etc. the dead weight of the whole machine is reduced to 995kg. The second is the addition of black technology, such as VGT variable section turbine, water-cooled EGR, overhead camshaft, engine braking, etc., which can give consideration to performance and fuel consumption.
Fuel saving is also inseparable from the cooperation of the gearbox. The gearbox matched with Dongfeng Tianlong KL extreme lightweight tractor is Longqing da12 all aluminum AMT gearbox, which can provide shift logic in both economic and power modes, liberate the driver's left foot and right hand, make the vehicle control simpler, and the fuel consumption can be controlled accordingly.
Df400 is selected as the rear axle and equipped with double single-stage reduction axle. This is a lightweight version of Dena drive axle with an internal gear ratio of 3.42.
Flat floor cab, beautiful interior and rich functions:
The three-step pedals used when entering the cab are made of aluminum alloy, and the extreme lightweight is reflected in every detail. The pedal adopts the design of half package, and the first-order pedal above can be used by the driver as a shoe cabinet.
The seat used in this car is a multifunctional airbag shock-absorbing seat. The seat surface is made of fabric with single arm support. The lower adjustment options include damping, inclination, height, double lumbar support and one key inflation and deflation, with rich overall functions and high comfort.
The steering wheel of Dongfeng Tianlong KL is in a three piece shape, and the color matching of silver and black is more fashionable. For an advanced heavy truck, the steering wheel multifunction control module is essential. The steering wheel of Dongfeng Tianlong KL supports constant speed cruise, Bluetooth phone and media control, which is easy to operate.
There is a slope in the design of the worktable, which is just biased towards the driver's position, which brings the advantage of convenient operation. The keys on the worktable can be within reach, and the function keys or air conditioner can be operated without special looking during driving.
The cab is a high roof and flat floor structure, with a height of 1.8 meters. There is no pressure to stand in the car, and three lockers are arranged above the roof for the driver to store daily necessities. Storage grids are set on both sides of the roof, which greatly facilitates the access of goods for the upper sleeper.
Dongfeng Tianlong KL extreme lightweight model reduces the dead weight of the vehicle to 6885kg through scientific and reasonable weight reduction. It is the lightest tractor in the 460 horsepower section in China. In addition to its own lightweight, it also has a highly matched independent power chain, which can further achieve energy and fuel conservation. It is estimated that the annual profit of vehicles can be increased by about 60000 yuan.
However, at present, the model is still displayed as a technical reserve model, and relevant experimental verification is under way. It is planned to realize commercialization in a specific market in the next three years. If card users are interested, they can pay attention to it in advance.
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