The air suspension is just the opposite. Although the shock absorption performance is excellent, the ride is comfortable, but the rigidity is slightly inferior, especially the anti-rolling ability is relatively poor, and the speed is slightly faster when cornering is easy to cause a tipping accident. When you see this, someone will ask, is there a suspension that has good rigidity and is very comfortable to ride? This is back to the hydraulic air suspension we just mentioned.
Excellent soft commercial vehicle suspension unveiled at China International Commercial Vehicle Show
As for the hydraulic air suspension, it is not a new face. As early as the Wuhan Commercial Vehicle Show in 2017, the Chinese truck network reported on the excellent soft hydraulic air suspension. This year, when the Chinese truck network reporter saw it again at the Wuhan Commercial Vehicle Show, it found that it was different from the past. This made the reporter wonder how the two years made it change. But before introducing the changes, let's take a look at what a soft liquid air suspension is. What is the difference between a normal air suspension and a normal air suspension?
Hydraulic system + air suspension, excellent soft hydraulic air suspension comfortable anti-roll
Mr. Chen Wei, R&D Director of Yousoft Commercial Vehicle Suspension Co., Ltd. told China Truck Network: “Hydraulic air suspension, also known as oil and gas suspension, has been widely used in aircraft landing gear, mining vehicles, armored vehicles and passengers. In the field of cars, etc., the traditional air suspension mainly includes air springs, shock absorbers, guiding mechanisms, etc. The working time utilizes the compressibility of the closed gas in the air spring to achieve the shock absorption function. For example, when the vehicle body is pressed down, the air spring interior is instantaneous. The gas is compressed and the suspension height is lowered. On the contrary, when the gas is introduced, the gas volume inside the suspension increases and the suspension height increases."
Chen Wei, R&D Director of Yousoft Commercial Vehicle Suspension Co., Ltd.
"The hydraulic air suspension is based on the addition of a connected hydraulic system. The hydraulic air spring is used as the elastic element, the inert gas is used as the elastic medium, the oil is used to transmit the pressure, and the inert gas is compressible. The damping characteristics of the hydraulic and hydraulic systems enable dynamic rebound, and the addition of rigid locking technology also provides the vehicle with better anti-roll capability, making the suspension more comfortable and more supportive,†said Director Chen.
Hydraulic air suspension has a unique performance advantage
According to the Chinese truck network reporter, the addition of the hydraulic system allows the hydraulic air suspension to ensure comfort, while the anti-roll ability and rigidity are four times that of the conventional air suspension. For example, the uniaxial load of a soft air suspension can reach more than 25 tons, while the conventional air suspension cannot. At the same time, using the characteristics of oil communication and incompressibility, the excellent soft hydraulic air suspension has better wheel load balance performance, can slow the transfer of axle load during braking, maintain better grounding, and increase tire and ground. Adhesion, shortening the braking distance. And better wheel load balancing performance can also reduce tire runout and reduce tire loss.
Lightweight +1.2 million km maintenance-free, excellent soft hydraulic air suspension efficient and low cost
In addition, the hydraulic air suspension brought by the excellent soft at the Wuhan Commercial Vehicle Show has been upgraded compared to the previous products. The main changes are concentrated on the products being lighter, longer lasting and easier to maintain. One of the most common words in the automotive field is that "none is a kilogram, not a horsepower." This sentence is also applicable to commercial vehicles. Especially for the suspension system, which connects the system between the wheel and the chassis, every kilogram lost will bring better performance to the whole vehicle, and the longer maintenance life will bring better transportation benefits. .
Excellent soft products continue to innovate and upgrade
Director Chen said: "Compared with the previous generation products, the excellent soft hydraulic air suspension mainly made two aspects of weight reduction. The first is to reduce the wall thickness of the accumulator cylinder, and after repeated trials on reliability and Safety has no effect. The second is to redesign the structure of the guide arm. The weight of the single guide arm was 42 kg. It is now only 30 kg, which is 12 kg lower, and a suspension system has 6 guide arms. The reduction of 72 kg, coupled with the weight reduction measures of the cylinder and other parts, the new generation of hydraulic air suspension weight loss is very prominent. The whole system is lighter than the traditional air suspension."
In terms of service life and post-maintenance, the excellent soft hydraulic air suspension also has a drastic improvement. For example, the guide arm adopts a new forging technology with higher rigidity, can pass 2 million tests under the pressure of 2.5 times of the normal load without cracks, and the reliability is greatly improved. The use of new seal technology also enhances the oil and gas tightness of the suspension and provides superior shock absorption for no-load. This kind of technological upgrade has made the suspension 1.2 million kilometers free of maintenance.
Excellent soft hydraulic air suspension is worth looking forward to
From the above we can see that the superior soft hydraulic air suspension has a lighter weight overall weight, a more comfortable transport experience, better anti-roll ability, and shorter brakes than conventional air suspension and leaf springs. The distance and the ease of maintenance are more convenient, and the advantages of this kind of kind of user bring not only the change of experience, but also the huge improvement of comprehensive benefits.
At present, what you need to do is to let more people understand the advantages of hydraulic air suspension, and to understand the reduction of overall cost and efficiency of hydraulic air suspension. Only in this way can we really promote the use and popularization of hydraulic air suspension in the Chinese commercial vehicle market.
Reading volume: Source: Chinese network of truck: Wan WenCasting Tray For Continuous Furnace
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