Product Description
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Hydraulic Suspension Cylinder for Mobile Cranes
A mobile crane hydraulic suspension cylinder is a type of hydraulic cylinder used in the suspension system of a mobile crane. It plays a crucial role in providing support, stability, and adjustability to the crane’s suspension, allowing it to adapt to various load conditions and terrain.
Here’s an overview of the hydraulic suspension cylinder in a mobile crane:
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Function: The hydraulic suspension cylinder is responsible for adjusting the suspension height and stiffness of the mobile crane. It helps absorb shocks, vibrations, and unevenness in the terrain, providing a smoother ride and enhancing the stability of the crane during transportation and lifting operations.
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Hydraulic System: The hydraulic suspension cylinder is part of the crane’s hydraulic system, which includes a hydraulic pump, reservoir, control valves, and hydraulic lines. The hydraulic pump pressurizes hydraulic fluid, typically oil or specialized hydraulic fluid, which is then directed to the suspension cylinder for adjustment.
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Cylinder Design: The hydraulic suspension cylinder is usually a double-acting hydraulic cylinder. It consists of a cylindrical tube, a piston, and a piston rod. The piston divides the cylinder into 2 chambers, allowing hydraulic fluid to act on both sides of the piston to extend or retract the cylinder.
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Suspension Adjustment: The hydraulic suspension cylinder is connected to the crane’s suspension system, typically at multiple points. By adjusting the hydraulic pressure and flow to the cylinder, the suspension height and stiffness can be modified. This allows the crane’s suspension to be raised or lowered, adapting to the load weight, ground conditions, and specific requirements.
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Control and Operation: The hydraulic suspension cylinder is controlled by the crane operator through the crane’s control system. The operator can activate the hydraulic valves or switches to adjust the suspension height and stiffness. This enables the crane to maintain proper ground clearance, optimize stability, and enhance overall performance during transportation and lifting operations.
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Load Distribution: The hydraulic suspension cylinder helps distribute the crane’s load evenly across multiple axles. By adjusting the suspension height, it ensures that the weight is properly distributed, minimizing stress on individual axles and tires. This improves the crane’s stability, maneuverability, and tire longevity.
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Maintenance and Inspection: Regular maintenance and inspection of the hydraulic suspension cylinder and the entire hydraulic system are essential for safe and reliable crane operation. This includes checking for leaks, ensuring proper lubrication, inspecting seals, connections, and hydraulic lines, and following the manufacturer’s recommended maintenance schedule and guidelines.
The importance of Hydraulic Suspension Cylinder
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Ride Comfort: Hydraulic suspension cylinders significantly contribute to improving ride comfort by absorbing shocks and vibrations caused by uneven road surfaces. The cylinders act as a cushioning mechanism, reducing the impact felt by the vehicle’s occupants. This is particularly important in commercial vehicles, where long hours on the road can cause driver fatigue and discomfort.
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Stability and Handling: Hydraulic suspension cylinders help maintain stability and control of the vehicle, especially during cornering, braking, and acceleration. By adjusting the suspension height and stiffness, the cylinders optimize the vehicle’s weight distribution, ensuring better traction and minimizing body roll. This enhances handling characteristics, making the vehicle more stable and maneuverable.
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Load Carrying Capacity: Hydraulic suspension cylinders are often used in vehicles designed for heavy loads, such as trucks and trailers. These cylinders allow for dynamic load leveling, where the suspension automatically adjusts to compensate for changes in load weight. This ensures that the vehicle remains level, improves stability, and prevents excessive strain on the chassis and tires.
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Adaptability to Terrain: Vehicles equipped with hydraulic suspension cylinders can adapt to different terrains and road conditions. By adjusting the suspension height, the cylinders provide increased ground clearance when traversing rough or off-road surfaces. This capability is particularly important in industries like agriculture, construction, and mining, where vehicles often operate in challenging environments.
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Safety and Control: Hydraulic suspension cylinders contribute to overall vehicle safety by improving braking performance and preventing wheel lock-up. They help maintain tire contact with the road surface, maximizing grip and reducing stopping distances. Additionally, by minimizing body roll and maintaining stability, hydraulic suspension cylinders enhance the vehicle’s ability to avoid obstacles and maintain control in emergency situations.
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Adjustable Suspension: Many hydraulic suspension systems offer adjustable features, allowing the driver or operator to customize the suspension settings based on specific needs or preferences. This includes adjusting the suspension height, stiffness, and damping characteristics. Such adjustability ensures optimal performance, comfort, and safety in various driving conditions or specific operational requirements.
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Component Protection: Hydraulic suspension cylinders also help protect other vehicle components, such as the chassis, axles, tires, and cargo. By absorbing shocks and vibrations, they reduce the stress and impact on these components, prolonging their service life and minimizing maintenance and repair costs.
Our Company
We have a first-class independent R&D platform for assembly. The forklift cylinder production workshop has 4 semi-automatic lifting cylinder assembly lines and 1 fully automatic tilting cylinder assembly line, with a designed annual production capacity of 1 million pieces; the special cylinder workshop is equipped with semi-automatic cleaning and assembly systems of various specifications, with a designed annual production capacity of 200,000 essays. It has famous CNC machining equipment, machining centers, special equipment for high-precision cylinder processing, robot welding machines, automatic cleaning machines, automatic cylinder assembly machines, and automatic paint production lines. We have more than 300 sets of critical equipment running. The optimized allocation and efficient utilization of equipment resources ensure the precision requirements of the products and meet the high standard quality requirements of the products.
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Forklift cylinder assembly shop |
Other types of cylinder assembly shop |
Welding
Painting & coating
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Painting & coating line |
Fully automatic water-based |
Testing
To further improve product performance, and establish the leadership position of our hydraulic cylinder in the industry, our company and zjimee jointly established a Comprehensive performance laboratory of hydraulic cylinders, hydraulic valves, and hydraulic pumps; the lab is computer-assisted testing, using electro-hydraulic control technology, the test conditions preset by computer, which improves the test accuracy and system versatility, and the experimental data.
The automatic collection is realized through the application of sensors, and the output data, such as the internal leakage and load efficiency of the cylinder or the valve, are directly processed by the computer and converted to standard units (ml/min; %). At the same time, to ensure the working safety of the hydraulic system, the state monitoring function is carried out for key performance parameters, such as “oil temperature monitoring, liquid level monitoring, filter device monitoring,” etc. Among them, the hydraulic cylinder test stand can test the performance of “load efficiency” and “internal leakage” by readings. At the same time, it is equipped with a grating ruler measuring instrument, which meets the requirements of all test items of hydraulic cylinder products in the national standard.
Our Factory
Packaging & Shipping
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| Certification: | GS, RoHS, CE, ISO9001 |
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| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Rotary |
| Adjusted Form: | Regulated Type |
What are the advantages of using rotary cylinders for rotational tasks?
Rotary cylinders offer several advantages when it comes to performing rotational tasks. Here’s a detailed explanation:
1. High Torque Output: Rotary cylinders are capable of delivering high torque output, making them suitable for tasks that require significant rotational force. They can handle heavy loads and provide the necessary power to rotate large components or objects.
2. Precise Control: Rotary cylinders provide precise control over rotational motion. By adjusting the fluid pressure or flow rate, the speed and direction of rotation can be accurately controlled, allowing for precise positioning, indexing, or synchronization with other system components.
3. Compact Size: Rotary cylinders are generally compact in size, making them suitable for applications where space is limited. Their compact design allows for easy integration into machinery and systems without occupying excessive space.
4. Versatility: Rotary cylinders can be used in both hydraulic and pneumatic systems, offering flexibility in system design and integration. They can be seamlessly integrated into existing systems or designed into new systems based on the specific requirements and available resources.
5. Wide Range of Applications: Rotary cylinders find applications in various industries and tasks that involve rotational motion. They are used in indexing tables, robotic arms, material handling equipment, conveyor systems, machine tools, packaging machinery, and more. Their versatility makes them suitable for diverse applications.
6. Reliability and Durability: Rotary cylinders are designed to withstand demanding operating conditions. They are built with robust materials and undergo rigorous testing to ensure reliability and durability. This allows them to perform consistently over extended periods, reducing downtime and maintenance requirements.
7. Cost-Effective: Rotary cylinders can offer cost-effective solutions for rotational tasks. They provide efficient energy conversion, minimizing energy consumption and operating costs. Additionally, their long service life and reliability contribute to cost savings in terms of maintenance and replacement.
It’s important to consider the specific requirements of the application and consult manufacturers’ documentation to ensure the selection and utilization of rotary cylinders that best meet the needs of the rotational tasks.
How do rotary cylinders contribute to controlled and precise rotation?
Rotary cylinders play a significant role in achieving controlled and precise rotation in various applications. Here’s a detailed explanation:
1. Fluid-Powered Actuation: Rotary cylinders utilize hydraulic or pneumatic fluid to generate rotary motion. By controlling the flow of fluid into and out of the cylinder, the rotation can be precisely regulated. This fluid-powered actuation allows for smooth and controlled rotation with high accuracy.
2. Adjustable Pressure and Flow: The pressure and flow of the fluid supplied to the rotary cylinder can be adjusted to control the rotational speed and torque. By varying the pressure or flow rate, the cylinder’s rotational characteristics can be fine-tuned to achieve the desired level of control and precision.
3. Position Feedback Devices: To enhance control and precision, rotary cylinders can be equipped with position feedback devices such as rotary encoders or potentiometers. These devices provide real-time feedback on the cylinder’s rotational position, allowing for accurate positioning and control over the rotation.
4. Servo Control Systems: Rotary cylinders can be integrated into servo control systems, which offer advanced control capabilities. Servo systems use feedback signals to continuously monitor and adjust the cylinder’s position, speed, and torque. This closed-loop control mechanism enables precise rotation and ensures the desired positional accuracy is maintained.
5. Speed and Acceleration Control: Rotary cylinders provide control over the rotation speed and acceleration. By adjusting the fluid flow rate or pressure, the rotational velocity and acceleration can be precisely controlled. This feature is particularly beneficial in applications that require smooth and gradual acceleration or deceleration to prevent jerky movements or damage to the equipment.
6. Positioning Accuracy: Rotary cylinders offer excellent positioning accuracy, allowing for precise angular displacement. By combining precise control of fluid flow and feedback from position sensors, the cylinder can accurately reach and maintain specific rotational positions. This level of positioning accuracy is crucial in applications that require precise alignment or synchronization with other components or processes.
7. Repeatability: Rotary cylinders exhibit high repeatability, meaning they can repeatedly achieve the same rotational position with minimal variation. This characteristic is essential in tasks that require consistent and repeatable rotational movements, such as assembly, indexing, or machining processes.
8. Compatibility with Control Systems: Rotary cylinders can be seamlessly integrated into various control systems, such as programmable logic controllers (PLCs) or computer numerical control (CNC) systems. This compatibility enables precise coordination and synchronization of rotary motion with other machine operations, ensuring controlled and precise rotation within the overall system.
9. Compact and Lightweight Design: Rotary cylinders are often designed to be compact and lightweight, reducing rotational inertia and enabling faster response times. This design characteristic contributes to the overall control and precision of the rotation.
10. Customization and Optimization: Manufacturers offer a wide range of rotary cylinder models with different performance characteristics. This allows users to select the most suitable cylinder based on their specific control and precision requirements. Customization options further enhance the ability to tailor the cylinder’s performance to meet specific application needs.
By incorporating these features and technologies, rotary cylinders contribute to controlled and precise rotation in a wide range of industrial and automation applications.
Can rotary cylinders be used for both rotary motion and linear motion?
No, rotary cylinders are specifically designed for generating rotary motion and are not typically used for linear motion. Here’s a detailed explanation:
Rotary Motion:
Rotary cylinders, also known as rotary actuators, are primarily used to convert fluid power into rotational motion. They are designed to generate torque and rotate around a central axis. The rotational movement can be in a full 360-degree rotation or limited to a specific angle depending on the application and the design of the cylinder.
Linear Motion:
For linear motion, a different type of actuator, such as linear cylinders or linear actuators, is used. Linear cylinders are specifically designed to generate linear motion by extending or retracting a piston rod in a linear path. These actuators are commonly used in applications where straight-line movement is required, such as pushing, pulling, lifting, or sliding objects.
Differences:
The design and internal mechanism of rotary cylinders are optimized for rotational motion, while linear cylinders are designed to provide linear motion. These two types of actuators have different structures and operating principles to fulfill their respective purposes.
While rotary cylinders cannot directly produce linear motion, they can be part of a system that combines both rotary and linear motion. For example, in some applications, a rotary cylinder can be used to generate rotational motion, which is then converted into linear motion using additional mechanisms such as racks, gears, or linkages.
It’s important to choose the appropriate type of actuator based on the desired motion requirements of the specific application. Manufacturers’ documentation and guidelines should be consulted to determine the most suitable actuator for a particular motion requirement.
editor by CX 2024-04-09