Hydraulic truck bodies are used in numerous industries these days to perform jobs. Among the industries are telecommunications companies, power companies, material transport companies, and construction companies such as roofing and concrete contractors. Starting with a stock truck frame, each truck can be equipped with a shell or "truck body" built to satisfy the requirements of specific industries. Read on to learn how it works.
Precisely fitted with a body to move various items from one location to another, the dumpers and trucks take care of the moving. The bodies are shaped and sized differently to suit the weight of the material to be transported. The hydraulic system attached to the truck (dumper) and its body is used to unload the various materials or objects being hauled. In some instances, hydraulic systems are fitted on the dumpers or trucks in order to lift the weights.
Four main parts comprise the hydraulic system that is fitted to the truck and its body. They are the hydraulic fluid, hydraulic pump, the piston and cylinder arrangement, and the control valve. The energy that is used to unload the material from the body or lift the weight is carried from one area of the hydraulic system to the other by the hydraulic fluid.
The operator turns on the switch, which activates the hydraulic system when the unloading of the material from the truck or dumper body is desired. That is when the hydraulic motor starts. A very high force or pressure, or the hydraulic force, is exerted upon the fluid when the hydraulic fluid is sucked by the motor from the reservoir.
The control valve directs the high pressure hydraulic fluid towards the piston and cylinder arrangement. Most truck and dumper bodies have two fitted sets of piston and cylinder arrangements. But a single set is sufficient if the load that must be lifted is less. The piston is a type of large rod that works in the interior of the cylinder in a linear path. The height to which the truck or dumper's body can be raised is determined by the length of the piston and cylinder, also known as the stroke length.
The force or the fluid is transmitted to the piston when the high pressure hydraulic fluid enters the cylinder. The piston then begins moving upward and this raises the truck body. Escaping to the reservoir from the other side of the cylinder, the hydraulic fluid is emitted once it is de-energized. The continuous lift-up pressures of the piston is maintained by the high pressure fluid pumping to the cylinder and piston arrangement.
The hydraulic fluid moves within a closed cycle in the truck or dumper body's hydraulic system. The hydraulic fluid absorbs the energy in the hydraulic pump or motor and then transports the energy to the piston and cylinder, also known as the actuator. To steadily lift the substantial loads, it is critical to have no leakage of the hydraulic fluid from one area of the cylinder to the other. If this should occur, there will be a waste of fluid, and there will be no lifting of loads. For this reason, the oil seal separating the piston and the cylinder is essential. Improper seals or oil seals that are worn out cause most power loss from the hydraulic system.
The hydraulic system is lubricated by the hydraulic fluid that it uses. Lubrication and other types of leaks can cause a certain amount of hydraulic fluid loss. A certain quantity of hydraulic fluid must be added at regular times to the system to make up for the fluid, which has been lost.
The companies that choose these trucks stay ahead of the game, keeping up with construction and communications industry growth. These trucks are so complex it is overwhelming. Once you understand these truck bodies, chances are you'll view them in a new light when you spot them on the street.