The center-axle highway train belongs to one kind of car train, which is composed of car and center-axle trailer, and can be mainly divided into heavy truck + center-axle compartment, light truck + center-axle compartment, passenger car + center-axle compartment, and center-axle vehicle transporter and so on.
The center axle road train has one more compartment than ordinary trailer, and the transportation capacity is said to reach a maximum of about 120 square meters, which is equivalent to the compliant loading capacity of two traditional 9.6 meter trucks; secondly, the center of gravity of the center axle road train is lower, and the center axle train can be made longer under the same turning radius; furthermore, it can be used for two purposes in one vehicle, and it can be used as a separate main vehicle, and can be used for the trailer compartment as well, which is flexible for towing and trailering. Flexible trailer, very suitable for express, LTL, light cargo transportation, especially in the special line transportation, the advantage is more obvious.
Throughout the freight market in recent years, the center axle road train in addition to the car in the field of emerging, but in other areas has been obscure, since it can be more loaded with goods, but also to comply with the license plate on the road, why did not get popularity? The main reasons are as follows:
1, a short time to switch to need to invest more costs
At present, the vehicles running on the road are still mainly traditional semi-trailer trucks, and the illegal use of large board trucks have not been eradicated, from the transportation of the square volume, although the center axle road train will be slightly better than the semi-trailer, but the face of the large boards do not occupy an advantage. Besides, in a short time, the vehicle will be replaced by a center-axle highway train needs to invest a lot of money, from the user's point of view does not occupy an advantage.
2, road conditions, station design is not suitable for center-axle highway trains
At present, many domestic logistics companies, parking lots, road design is based on semi-trailers and other models for the design of the middle-axle highway train appeared late, did not catch up with the initial development of the logistics of the red sea, the characteristics of its models are obvious, the road conditions and the design of the station requirements are also relatively high, so the middle-axle highway train may only be used as a small number of scenarios of the use of the vehicle.
3、Mid-axle highway train in the domestic technology is not mature
Many vehicle owners feedback, the center-axle highway train in the slippery road driving stability is very poor, rainy day slippery conditions, it is easy to tail and other situations. In addition, in some of the road sections with large differences, the center-axle highway train is easy to uphill tail, the drive wheels are prone to skidding, resulting in the vehicle can not move forward. Besides, the axle running up the body was easy to swing up and down or left and right, the rear trailer movement is more flexible, the speed is too fast and easy to have a tail dumping situation, and when it is serious, it will even induce the whole car out of control, tilting.
4, other technologically mature models invariably on the development of center-axle highway train to form a suppression
At present, the medium and long-distance transportation market is still dominated by semi-trailers, no matter from the loading capacity, carrying capacity, applicable conditions, semi-trailers can meet most of the transportation needs of goods. The most important thing is that the semi-trailer market is relatively mature and rich in variety, and its position in the jungle will be difficult to shake in a short time.
With the continuous development of vehicle technology, the center-axle vehicle may be used more for the group companies in the future, and its market coverage may also be able to get some improvement.
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