Hydraulic Bucket Cylinder for Large Excavator
The “Hydraulic Bucket Cylinder” is a hydraulic actuator installed between the boom and bucket of a large excavator, used to control the opening, closing, and tilting movements of the bucket.
Hydraulic Bucket Cylinder
The "Hydraulic Bucket Cylinder" is a hydraulic actuator installed between the boom and bucket of a large excavator, used to control the opening, closing, and tilting movements of the bucket.
The specific position of the hydraulic bucket cylinder on a large excavator is a key part connecting the bucket and the bucket. It is usually installed at the end of the stick and connected to the bucket. The hydraulic bucket cylinder controls the bucket through the hydraulic energy provided by the hydraulic system.
The working principle of the hydraulic stick cylinder is as follows:
- Hydraulic drive: There is a piston and a rod connected to it inside the hydraulic bucket cylinder. When hydraulic oil enters one side of the chamber of the hydraulic stick cylinder, hydraulic pressure acts on the piston, pushing it and its connecting rod.
- Linear motion: The piston of a hydraulic bucket cylinder moves in a straight line along the cylinder barrel under hydraulic pressure. This causes the telescopic movement of the connecting rod, thereby controlling the opening and closing action of the bucket.
- Control and adjustment: The hydraulic stick cylinder is usually equipped with hydraulic valves and sensors to control and adjust the movement of the bucket. The hydraulic valve controls the inflow and outflow of hydraulic oil, and controls the movement speed and force of the hydraulic stick cylinder by adjusting the flow and pressure of the hydraulic oil. Sensors can monitor the position and status of the hydraulic stick cylinder and provide feedback signals to the system.
Through hydraulic drive and linear motion, the hydraulic stick cylinder can control the opening, closing, and tilting of the bucket, achieving operations such as excavation, loading, and unloading. The hydraulic bucket cylinder has the characteristics of high load-bearing capacity, precise control, and strong reliability, and is one of the important power components in large excavators.
Specification of Bucket Cylinder
Bore diameter: 200mm～360mm
Rod diameter: 140mm～260mm
Characteristics of the Hydraulic Bucket Cylinder for Large Excavator Compared to Small Excavator
The hydraulic bucket cylinder of a large excavator may have the following characteristics compared to the bucket hydraulic cylinder of a small excavator:
- High load-bearing capacity: The hydraulic bucket cylinder of large excavators needs to withstand greater loads and moments, as large excavators are usually used to handle heavier and larger volumes of working materials. Therefore, the hydraulic bucket cylinder will be more powerful in design to ensure that it can withstand the stress and pressure under high load working conditions.
- Long stroke and large displacement: Large excavators require greater excavation depth and bucket opening and closing range, so the stroke and displacement of hydraulic bucket rod cylinders are usually longer than those of bucket hydraulic cylinders on small excavators. This can meet the requirements of excavators in deep excavation and high dumping work.
- High power density: Large excavators typically require higher work efficiency and production capacity. In order to achieve faster operating speed and greater power output, the hydraulic stick cylinder is designed to pursue high power density, providing greater output power under the same size and weight.
- High precision control: Large excavators require more precise control capabilities during complex excavation and loading operations. Therefore, the hydraulic bucket rod cylinder may have higher accuracy and sensitivity in controlling valves and sensors, in order to achieve more precise bucket movement control.
- Long lifespan and durability: Large excavators are typically used in harsh working environments, facing higher work intensity and challenges. Therefore, hydraulic bucket cylinder needs to have higher durability and reliability to ensure long-term stable operation and longer service life.
It should be noted that the design and characteristics of hydraulic bucket cylinder may vary depending on different excavator manufacturers and models. The above characteristics are only some common features of the hydraulic bucket cylinder of large excavators in general. The specific design and performance characteristics can be determined based on the specific large excavator model and manufacturer.
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