The history of dump trucks began in the first quarter of the 20th century and was considered indispensable for bulk cargo transport.
Traditionally, dump trucks are divided into two types depending on the body configuration that affects their scale of operation.
Trucks belonging to the first category [called standards] empty the bed at the rear of the vehicle. The mechanism consists of a hinge mounted at the rear end of the chassis and a single large hydraulic cylinder fixed below the front of the body. The hinge presses the bed and allows it to rise vertically, while the hydraulic cylinder provides sufficient force to lift the bed at a steep angle.
Standard dump trucks can be used successfully, provided there is enough space around the site. When the discharge bed is only unloaded through its rear end, the operator needs to maneuver to find the correct unloading position.
When the position is limited by space, it is reasonable to utilize a three-way dump truck that represents a second common type of dump truck. Since it comes from the name of the category, the three-way structure allows the vehicle to be unloaded on three sides: the rear, right and left. This type of design is similar to the previous one. The bulk material is transported in a metal box and provides stability by reinforcing the frame. The difference is below the bucket bed. Unloading options are possible due to the four hydraulic cylinders equipped with cross joints for movement. Lifting the two hydraulic cylinders from the right side of the chassis tilts the bed to the left and vice versa. The bed is tilted to the rear by two hydraulic cylinders fixed to the rear of the cab.
According to the actual application, the dump truck is divided into a road network model and an off-road version. The latter category includes conventional-sized trucks, heavy-duty dump trucks [also known as haul trucks] for high-volume mining and heavy-duty industrial environments, and articulated trucks for transporting goods on the most rugged terrain.
The latest innovations in the development of dump trucks are a hot topic in the mining industry. The largest truck manufacturer is involved in research and development projects designed to promote the use of automated mining dump trucks and enhance business advantages.
The built truck is a fully installed construction vehicle that navigates and operates throughout the infrastructure above and below the ground. GPS technology and numerous sensors allow you to continue reading the surrounding environment, navigate obstacles [fixed or moveable] and collect other necessary data to determine route sand to ensure traffic safety. Most importantly, the system can plan the route ahead of time and automatically change the route on the move if it suddenly needs to be modified.
The project is said to aim to increase productivity and fuel economy in the mining sector and to improve its own technology before expanding its use on public roads.
Orignal From: Dump Truck: Tradition and Innovation
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