What is excavator hydraulics
In the field of construction machinery, excavators are one of the common equipment, and the hydraulic system is its core component. This article will provide a detailed analysis around "What is excavator hydraulics", and present you with a structured technical article based on hot topics and hot content in the past 10 days.
1. Basic concepts of excavator hydraulic system
The hydraulic system is a key part of the power transmission of the excavator. The pressure energy of the liquid medium is converted into mechanical energy to drive the various actions of the excavator. The hydraulic system is mainly composed of hydraulic pumps, control valves, hydraulic cylinders, hydraulic motors and fuel tanks.
| Part name | Function |
|---|---|
| Hydraulic pump | Convert mechanical energy into hydraulic energy to provide system pressure |
| control valve | Adjust the flow direction and flow rate of hydraulic oil and control the action of actuators |
| Hydraulic cylinder | Convert hydraulic energy into linear motion to drive excavation arms and other components |
| hydraulic motor | Convert hydraulic energy into rotational motion to drive walking or slewing mechanisms |
2. The relationship between hot topics in the past 10 days and hydraulic technology
Recently, hot topics in the construction machinery industry have mainly focused on intelligence, energy conservation and emission reduction, and efficient operations. The following is an analysis of the hot topics in the past 10 days related to excavator hydraulic technology:
| hot topics | Connection to hydraulic technology |
|---|---|
| Intelligent excavator | The hydraulic system uses electro-hydraulic proportional control technology to achieve precise movements and automated operations. |
| Energy saving and emission reduction | The new hydraulic system uses variable pump and load-sensing technology to reduce energy consumption |
| Efficient work | High-pressure hydraulic system increases digging force and shortens operating cycle |
3. Working principle of excavator hydraulic system
The working principle of the excavator hydraulic system can be summarized as the following steps:
1.power input: The engine drives the hydraulic pump to convert mechanical energy into hydraulic energy.
2.pressure regulation: The hydraulic oil adjusts the pressure and flow through the control valve and distributes it to each actuator.
3.perform action: A hydraulic cylinder or hydraulic motor converts hydraulic energy into mechanical energy to drive the excavator to complete excavation, rotation, walking and other actions.
4.Oil return cycle: The hydraulic oil returns to the tank after completing its work, and enters circulation again after being filtered and cooled.
4. Common faults and solutions of hydraulic systems
Failure of the excavator hydraulic system will directly affect the working efficiency of the equipment. The following are common faults and solutions:
| Fault phenomenon | Possible reasons | solution |
|---|---|---|
| slow movement | Hydraulic oil contamination or reduced pump efficiency | Replace hydraulic oil or repair hydraulic pump |
| System heats up | Insufficient hydraulic oil or cooler failure | Replenish hydraulic oil or clean cooler |
| Too much noise | Air has entered the system or the pump is worn | Bleed or replace hydraulic pump |
5. Future development trends of hydraulic technology
With the progress of the construction machinery industry, hydraulic technology is also constantly innovating. The following are the main development directions of hydraulic technology in the future:
1.Electro-hydraulic hybrid: Combined with electric motor and hydraulic system to improve energy efficiency ratio.
2.Intelligent control: Optimize the response speed and accuracy of the hydraulic system through sensors and algorithms.
3.Lightweight design: Use high-strength materials and compact structure to reduce the weight of the hydraulic system.
Through the above analysis, we can clearly understand the basic concepts, working principles and future development trends of the excavator hydraulic system. Hydraulic technology is the core of the excavator, and its performance directly determines the efficiency and reliability of the equipment.
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