How Hydraulic Pump Works in Excavator - Kyotechs
Understanding How Hydraulic Pumps Work in Excavators
Excavators are indispensable machines in construction sites. At the heart of their operation lies the hydraulic pump, a crucial component that enables these heavy-duty machines to perform with remarkable efficiency and precision. we delve into how hydraulic pumps work in excavators, and how Kyotechs, a leader since 2009 in providing comprehensive excavator solutions, ensures your machinery runs smoothly with its quality parts and services.
What is a Hydraulic Pump?
A hydraulic pump is a mechanical source of power that converts mechanical energy into hydraulic energy. It does so by using liquid (usually oil) to transfer the energy through the system. When it comes to excavators, the hydraulic pump is responsible for generating the flow needed to operate the entire hydraulic system of the machinery.
The Mechanics of Hydraulic Pumps in Excavators
In excavators, the hydraulic pump plays a pivotal role in movements like lifting, digging, and moving. Here's a step-by-step breakdown of how it works:
1. Initiation: The process begins when the engine drives the hydraulic pump. This engine power is converted into hydraulic power by the pump.
2. Oil Movement: The pump draws hydraulic fluid from the reservoir and pressurizes it, sending it through hoses to various hydraulic cylinders and motors throughout the excavator.
3. Energy Transfer: As the hydraulic fluid travels, it is routed to the appropriate actuators or motors, generating the necessary mechanical force required for movement.
4. Control Mechanisms: Operators control these movements via the machine's control valves. These valves modulate the flow and direction of the hydraulic fluid, allowing for precise operation and control over the machinery.
5. Return Process: After the hydraulic fluid completes its cycle, it returns to the reservoir to be cooled and reused in continuous cycles.
Importance of Maintenance and Genuine Parts
Maintaining the hydraulic pump is essential to ensure the longevity and efficiency of excavators. Using genuine, high-quality parts is crucial. A malfunctioning hydraulic pump not only hinders operations but can also result in costly repairs and downtime.
At Kyotechs, we emphasize quality and reliability. Established in 2009, our organization caters to a diverse range of excavator needs with products from renowned brands such as Hitachi, Sany, Kawasaki, Volvo, Hyundai, and more. Our inventory includes engine assemblies and parts, hydraulic pump assemblies and parts, control valves, and undercarriage parts, among others.
FAQs on Hydraulic Pumps in Excavators
Q: What's the primary function of a hydraulic pump in an excavator?
A: The hydraulic pump converts mechanical energy into hydraulic energy, crucial for the movement and operation of excavator components.
Q: How often should I service my hydraulic pump?
A: Regular maintenance should be done according to the manufacturer’s guidelines, typically every 500-1000 operating hours. Regular checks help preempt issues before they escalate.
Q: Can I replace parts of my hydraulic pump myself?
A: While some basic maintenance can be performed independently, it’s recommended to consult a professional for parts replacement to ensure safety and correct installation.
Q: Why should I choose Kyotechs for hydraulic pump parts?
A: Kyotechs offers a range of genuine and high-quality parts guaranteed to fit your machinery, backed by our expertise in one-stop hydraulic repair solutions.
Conclusion
Understanding the operation of hydraulic pumps in excavators is crucial for efficient machine handling and maintenance. By choosing reliable parts and maintaining regular service schedules, your excavator can achieve unparalleled performance. Kyotechs stands ready to assist with top-notch parts and repair solutions, ensuring your machinery not only lasts longer but also operates at peak efficiency. From engine repairs to hydraulic solutions, our comprehensive offerings make Kyotechs your go-to partner for excavator needs. If you are looking for reliability, efficiency, and quality, Kyotechs is your answer.
FAQS
What to do if the hydraulic pump makes abnormal noises?
Abnormal noises from the hydraulic pump may be due to air entering the hydraulic system, contaminated hydraulic oil, or internal wear of the hydraulic pump. Check the condition of the hydraulic oil, inspect the suction line for leaks, and replace the hydraulic pump or related components if necessary.
How do you know if the perpendicularity between the ground gear plane and the bearing hole has changed?
It can only be found when assembling the gear pump, because the end face clearance is very small, generally around 0.05mm. If the perpendicularity between the end face and the bearing hole has changed, the gear shaft cannot move after the pump is assembled. If the locking screw is loosened a little, but it still does not turn smoothly, and the gear pump is disassembled and inspected, there are scratches on the end face. This is caused by the end face plane not being perpendicular to the bearing hole.
What causes the efficiency of hydraulic pumps to decrease?
The reasons for the decrease in efficiency include wear of internal components, filter blockage, hydraulic oil contamination and insufficient system pressure.
How do you replace a hydraulic pump control valve?
The steps for replacing a control valve are to shut down the machine, release system pressure, remove the old control valve, install the new control valve, start the machine and check operation.
What should I pay attention to when assembling a gear pump?
The pump housing will wear more in the oil inlet chamber. If the pump housing is symmetrical, it can be turned 180 degrees. Then use it. For the passive gear, the two ends cannot be replaced. Make a mark when removing it. Because the gear will wear on one side. The active gear is integrated with the rotating shaft and cannot be turned over; turning the passive gear over can change the contact point of the meshing line of the two gears. After the pump is assembled, add a little lubricating oil and rotate it slightly by hand. The feel should be smooth.
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