What is a dump truck? What part of the dump truck? This article will tell you about it. Dump truck, as the name suggests, is a vehicle that can autonomously unload cargo. Its definition refers to a vehicle that unloads goods by hydraulic or mechanical lifting and is also called a dump truck. Because the loading compartment can automatically tip and discharge at a certain angle, it can greatly save the unloading time and labor, shorten the transportation cycle, increase the production efficiency, and reduce the transportation cost. Therefore, it is a common transportation-specific vehicle. In terms of construction, the dump truck is mainly composed of automobile chassis, hydraulic lifting mechanism, cargo box and power take-off device. The structure of the engine, chassis and cab of the dump truck is the same as that of a general truck.
With regard to the working principle of dump trucks, the dump trucks are divided into two types: tipping and tipping, and dumping is more common. Dump trucks and coal dump trucks, which are commonly seen in our daily lives, belong to the dump trucks. Side-turning, a few bi-directional dumping. The high-pressure oil enters the lift cylinder through the distribution valve and tubing, and the cabin safety shield is at the front of the cabin.
The engine of the dump truck drives the hydraulic pump through the transmission and power take-off device. The hydraulic dumping mechanism of the carriage is composed of a fuel tank, a hydraulic pump, a distribution valve, a lifting hydraulic cylinder, a control valve and a fuel pipe.
The engine of the dump truck drives the hydraulic pump through the transmission and power take-off device. High-pressure oil enters the lift cylinder through the distribution valve and tubing, and pushes the piston rod to tilt the carriage. Tipping is more common in the future. Controlling the movement of the piston rod through the control system can stop the car at any desired tilt position. The carriage can then be reset using its own gravity and hydraulic controls.
The classification of dump trucks is more complicated, and we make a simple and clear classification according to the purpose. According to the different uses, it can be divided into mining dump trucks, which are used to transport coal mines and sandstones; environmental sanitation dump trucks are used to transport garbage. That is, agricultural dump trucks, mine dump trucks, dump trucks, and coal transport dump trucks.
Finally, talk about the maintenance techniques of dump trucks. New dump trucks or overhauled vehicles must be commissioned to ensure that the lifting process of the cars is smooth and smooth. When the vehicle is in use, all parts should be properly selected according to regulations, which can greatly save the unloading time and labor force. Lifting agencies should strictly change the oil on schedule. Dump trucks should be shipped at the rated load and must not be over-shipped. Overloading is strictly prohibited. (Text / Chen Guotu)
Selection and precautions of hydraulic cylinders for excavators
The hydraulic cylinder of an excavator is one of the important components, which converts hydraulic energy into mechanical energy,
Drive mechanical movement. When purchasing hydraulic cylinders for excavators, the following points should be noted:
1. Size and quality: The size and quality of the excavator hydraulic cylinder should match the model and specifications of the excavator to ensure its normal operation.
2. Pressure and flow rate: The pressure and flow rate of the excavator hydraulic cylinder should match the requirements of the hydraulic system,
To fully utilize the capabilities of the hydraulic system.
3. Sealing performance: The hydraulic cylinder of the excavator has good sealing performance to avoid hydraulic oil leakage or entering the mechanical interior.
4. Durability: The hydraulic cylinder of the excavator has good durability and can withstand long-term heavy load work.
5. Brand and Quality: Choose well-known excavator hydraulic cylinders to ensure their quality and after-sales service
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