The shape of domestic dump trucks is not the same as that of the chassis. The rear boxes are basically the same. Most people's impressions should be heavy and solid car trunks. The big squares are full of heavy cargo. At present, there is a type of U-type dump truck that has become increasingly popular. U-type bucket dump trucks have unique advantages over common square boxes.
U-type dump advantages
1. Unloading more clean
There are no dead corners in the corners of U-shaped containers. It is not easy to stick boxes when unloading, and the unloading is cleaner. When unloading cargo in winter, the sand and cargo tanks were frozen and it was very difficult to unload the cargo. Relatively speaking, U-shaped containers were unloaded more cleanly.
2. Light weight
The common dump truck containers are reinforced by thicker steel materials, and the U-shaped containers have their own weight reduced through structural optimization. At present, the most common U-type dumps are high-strength plates. Under the premise of ensuring the strength of the car body, the plate thickness is reduced by about 20%, and the weight of the carriage is reduced by about 1 ton, which effectively improves the utilization coefficient of the load capacity.
3. Strong bearing capacity
High-strength steel plate, high yield strength, better impact resistance and fatigue resistance. For users of ore transportation, the damage of ore stones to the container can be reduced.
4. Low center of gravity
The center of gravity of the U-shaped structure is lower, so that driving is smoother, especially when cornering, avoiding spillage of goods.
5. Provincial tires
The U-shaped cargo box can keep the goods centered, and the tires on both sides are relatively evenly loaded, which helps to improve the tire life.
U-type bucket is relatively common abroad
The dumping of such U-shaped buckets is more common in foreign markets. Basically, lightweight design is used in foreign countries, and high-strength plate materials are used for lightweight design. More importantly, there is no overload.
Major domestic U-box manufacturers
In view of U-type dump trucks' advantages in many aspects, some domestic manufacturers have already promoted U-type dump trucks.
Shandong Pengxiang: Ji Yuemu, Witt
The earliest U-shaped container products in China should be the Shandong Pengxiang Automobile Factory. Pengxiang Jiyum is a self-unloading product developed by Shanqi Automobile's patented technology developed by DPPM. The new model of the car that is currently on the market is U-shaped. Structure, Usage The high-strength, ultra-abrasive steel plate made in China is directly bent and has the characteristics of impact resistance, resistance to alternating stress, and corrosion resistance.
The Jyumam container is used on a 6x4 chassis. The length of the container is less than 6.8 meters. Another Wit U-type container is used on an 8x4 chassis. The length of the container is more than 7 meters.
Henan Juntong
In 2009, two self-dumping patented products, Rimula and Road Transport, were developed. From the name we can also see that this model's main target market, mine tyrants mainly for the poor road conditions, strong impact and other special needs of the vehicle research and development, road transport tyrants series for the lightweight road dumping market.
The use of special high-strength steel plate, with good wear resistance, large volume, light weight, good economy, etc., lighter than ordinary dump truck 1.8T-2.5T. According to the sales staff of Henan Juntong, their products are mainly sold to Xinjiang and foreign markets for mine transportation.
Joint Truck
The domestic heavy truck New Army’s dump truck products brought about by the product are also the U-shaped containers. For U-type containers, the combined truck positioning the product's bright spots in the U-shaped container unloading rate is basically zero, and it is more economical and environmentally friendly to use.
More products for export and group customers
In addition to the above several typical manufacturers, there are some manufacturers also produce U-shaped containers, but the overall proportion is still very low, more still for the export market and group users to order.
Why are U-shaped containers not widely used in China? The main reasons are as follows.
1. High manufacturing process requirements, need more cost input
U-shaped containers need to be molded once, and manufacturers need to invest more in manufacturing costs. In the current situation that U-shaped containers have not been widely recognized by the market, many manufacturers are unwilling to invest in such equipment.
2 price reasons, ordinary users are reluctant to accept
The increase in manufacturing costs has also brought about an increase in sales prices, and it is even more difficult for ordinary users to accept them.
3. Small load
The U-shaped container will have a smaller cross-sectional area and will have less load. However, because many square boxes now have a beveled design, and U-shaped containers have a lower center of gravity, the difference is not obvious.
4. Statistics cube is not convenient
Moreover, the U-shaped section is not as convenient as the square box when calculating the volume. Many lasa or soils are calculated according to the volume of earth to be pulled, which also brings certain inconvenience.
5. Overloading is the biggest cause of promotion
Domestic investment in large amounts of infrastructure construction, as well as the fiery real estate market, has a very large market demand for dump trucks. However, as the overall environment of the transportation market is almost without overloading, for users, the more they pull, the more they will earn. How much a car can be pulled becomes an important standard for users to choose a vehicle. The heavy box-shaped square box is also the most popular container on the market, and its carrying capacity and impact resistance are very good.
The market decides everything. From the understanding of the staff of the conversion plant, overloading is also the most important factor limiting the model. Because an overload can load almost the same amount of goods, the average user is also reluctant to spend more to purchase such products. U-shaped containers are slightly less loaded, and dumpers are more popular.
If it is not overloaded, U-shaped containers will be light weight and can be loaded with more goods to improve economic efficiency. The selling point of products is set at a light weight, which is also to meet the needs of market users, usually using high-strength steel plate lighter than ordinary steel plate 1 ton.
The dump trucks of U-shaped containers have improved their performance in terms of structure, but they are still not widely used in the domestic market. Since July 1, 2011, the "Regulations on the Protection of Highway Safety" has been officially implemented, but it is used to control the overloading of dump trucks. The scheme is not yet clear. If the governance is strict, the U-shaped container's advantages in terms of self-respect will be reflected. It is believed that if the domestic modified car market matures, U-shaped containers will become a trend, and we will see more of this type of featured dump trucks.
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