China Professional Cheap Custom Hydraulic Outrigger Cylinder for Mobile Crane with Good quality

Product Description

Cheap custom Hydraulic Outrigger Cylinder for Mobile Crane


Hydraulic Outrigger Cylinder for Mobile Cranes

A hydraulic outrigger cylinder is a specific type used in mobile cranes to extend and retract the outriggers or stabilizers. Outriggers are deployed to provide stability and support to the mobile crane during lifting operations, especially when working with heavy loads or on uneven terrain.

Here’s an overview of the hydraulic outrigger cylinder and its role in a mobile crane:

  1. Function: The hydraulic outrigger cylinder is responsible for extending and retracting the outriggers of a mobile crane. The outriggers are hydraulic or mechanical legs that extend horizontally from the sides of the crane’s chassis or superstructure. By extending the outriggers, the crane increases its stability and prevents tipping during lifting operations.

  2. Hydraulic System: The hydraulic outrigger 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 outrigger cylinder for extension and retraction.

  3. Cylinder Design: The hydraulic outrigger 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.

  4. Outrigger Connection: The hydraulic outrigger cylinder is connected between the crane’s chassis or superstructure and the outrigger. One end of the cylinder is attached to the crane’s structure, while the other end is connected to the outrigger leg. As the cylinder extends or retracts, it controls the movement of the outrigger, allowing it to be positioned at the desired length.

  5. Control and Operation: The hydraulic outrigger cylinder is controlled by the crane operator through the crane’s control system. The operator can activate the hydraulic valves or switches to extend or retract the outriggers. The outriggers are usually extended and retracted 1 at a time or in a specific sequence to ensure stability and balance.

  6. Safety Features: Mobile cranes equipped with hydraulic outrigger cylinders often incorporate safety features to prevent overloading or unintended movements. These may include load moment indicators (LMIs) or crane control systems that monitor the crane’s operating conditions and provide feedback to the operator regarding the crane’s load capacity and safe working limits.

  7. Maintenance and Inspection: Regular maintenance and inspection of the hydraulic outrigger cylinder and the entire hydraulic system are essential to ensure 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.

What are some common maintenance tasks for hydraulic outrigger cylinders?

  1. Visual Inspection: Regularly inspect the hydraulic outrigger cylinder for any signs of damage, such as leaks, dents, corrosion, or loose connections. Check the cylinder body, piston rod, mounting brackets, and hydraulic lines for any abnormalities.

  2. Cleanliness: Ensure that the hydraulic outrigger cylinder and its surrounding area are kept clean to prevent dirt, debris, or contaminants from entering the cylinder. Clean the exterior surfaces using a soft cloth or brush and remove any accumulated dirt or grime.

  3. Lubrication: Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant. Apply lubrication to the cylinder’s moving parts, such as the piston rod, seals, and hinges, as specified. This helps reduce friction and wear, ensuring smooth operation.

  4. Seal Inspection: Inspect the seals of the hydraulic outrigger cylinder for any signs of wear, damage, or leakage. Replace worn or damaged seals promptly to maintain proper sealing and prevent fluid leaks.

  5. Fluid Level and Quality: Check the hydraulic fluid level in the reservoir and ensure it is within the recommended range. Monitor the fluid quality, looking for signs of contamination or degradation. If necessary, drain and replace the hydraulic fluid following the manufacturer’s guidelines.

  6. Cylinder Alignment: Verify that the hydraulic outrigger cylinder is properly aligned and centered during operation. Misalignment can lead to uneven wear, reduced performance, and potential damage to the cylinder or mounting points. Adjust the alignment as needed.

  7. Pressure Testing: Periodically perform pressure testing on the hydraulic outrigger cylinder to ensure it can handle the required loads and pressures. This can be done by a qualified technician using specialized equipment to verify the cylinder’s pressure-holding capacity.

  8. System Flushing: If there are signs of contamination or degraded fluid quality, consider performing a system flush to remove any contaminants or impurities. This involves draining the hydraulic system, flushing it with clean fluid, and refilling it with fresh hydraulic fluid.

  9. Documentation and Records: Maintain detailed records of maintenance tasks, inspections, and repairs performed on the hydraulic outrigger cylinders. This helps track the maintenance history, identify recurring issues, and ensure proper maintenance intervals are followed.

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.

   Forklift cylinder assembly shop

 Other types of cylinder assembly shop


Painting & coating

     Painting & coating line

  Fully automatic water-based


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
Pressure: High Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Rotary
Adjusted Form: Regulated Type

rotary cylinder

What safety considerations are important when working with machinery equipped with rotary cylinders?

Working with machinery equipped with rotary cylinders requires careful attention to safety to prevent accidents and ensure the well-being of operators and bystanders. Here are important safety considerations to keep in mind:

1. Hazard Identification: Identify potential hazards associated with the machinery and its rotary cylinders. This includes understanding the risks posed by rotating parts, high-pressure fluid systems, pinch points, and potential entanglement hazards.

2. Risk Assessment: Conduct a thorough risk assessment to evaluate the potential risks and their severity. Identify measures to mitigate risks and prioritize safety controls accordingly.

3. Safety Guards and Enclosures: Install appropriate safety guards and enclosures to prevent access to hazardous areas, such as rotating components or fluid lines. Ensure that these guards are securely in place and cannot be easily bypassed.

4. Lockout/Tagout Procedures: Develop and enforce lockout/tagout procedures to ensure that machinery equipped with rotary cylinders is properly shut down and de-energized during maintenance or repair activities. This prevents unexpected movement of the cylinders and the potential for injury.

5. Training and Competence: Provide comprehensive training to operators and maintenance personnel on the safe operation of machinery equipped with rotary cylinders. Ensure that they are competent in identifying hazards, understanding safety procedures, and implementing safe work practices.

6. Regular Maintenance and Inspections: Implement a routine maintenance program to keep the machinery and rotary cylinders in good working condition. Regularly inspect the cylinders, fluid lines, fittings, and connections for signs of wear, leaks, or damage. Replace any faulty components promptly.

7. Pressure Relief and Emergency Stop Systems: Install pressure relief valves and emergency stop systems to safely control and halt the operation of machinery in case of emergencies or unexpected events.

8. Warning Signs and Labels: Clearly display warning signs and labels to communicate potential hazards and safety instructions related to the machinery equipped with rotary cylinders. Ensure that operators and other personnel are aware of and understand these warnings.

9. Personal Protective Equipment (PPE): Provide appropriate PPE, such as safety glasses, gloves, and protective clothing, to operators and maintenance personnel. PPE should be used in accordance with relevant safety standards and risk assessments.

10. Continuous Safety Improvement: Foster a culture of continuous safety improvement by encouraging reporting of near misses, conducting regular safety audits, and addressing any identified safety concerns promptly.

It’s essential to comply with local safety regulations and industry standards specific to the machinery and applications using rotary cylinders. Additionally, consult manufacturers’ documentation and guidelines for specific safety considerations related to the rotary cylinders used in the machinery.

rotary cylinder

How do rotary cylinders contribute to energy-efficient equipment operation?

Rotary cylinders play a significant role in promoting energy-efficient equipment operation. Here’s a detailed explanation:

1. Power-On-Demand: Rotary cylinders operate based on fluid power, either hydraulic or pneumatic. One of the key advantages of fluid power systems is their power-on-demand capability. This means that the cylinder generates force and consumes energy only when necessary to perform a specific task. When the task is completed, the fluid flow to the cylinder can be shut off, resulting in energy savings compared to continuously running mechanical systems.

2. Efficient Force Conversion: Rotary cylinders efficiently convert fluid power into rotary motion. They can generate high torque, enabling them to perform tasks requiring substantial rotational force. The efficient force conversion minimizes energy losses during operation, allowing for effective utilization of input energy to achieve desired movements and work output.

3. Compact Design: Rotary cylinders are often designed to be compact and lightweight. This design approach reduces the overall weight and inertia of the equipment, resulting in energy savings. The reduced weight requires less energy to accelerate and decelerate the moving parts of the equipment, leading to improved energy efficiency.

4. Precise Control: Rotary cylinders offer precise control over the rotational motion. The ability to control speed, acceleration, and position with accuracy allows for optimized equipment operation. By fine-tuning the control parameters, energy consumption can be minimized while still achieving the desired performance. This precise control contributes to energy-efficient operation by avoiding unnecessary energy wastage.

5. Integration with Control Systems: Rotary cylinders can be seamlessly integrated into control systems such as programmable logic controllers (PLCs) or computer numerical control (CNC) systems. These control systems enable advanced algorithms and optimization techniques to be applied to the operation of rotary cylinders. By optimizing the control signals and adjusting parameters in real-time, energy consumption can be further reduced while maintaining the required functionality.

6. Energy Recovery: In certain applications, rotary cylinders can incorporate energy recovery systems. These systems capture and utilize the energy released during deceleration or load lowering. For example, in hydraulic systems, energy recovery can be achieved through the use of regenerative valves or accumulators, which store and reuse the energy that would otherwise be dissipated as heat. By recovering and reusing energy, overall energy efficiency is improved.

7. System Optimization: Rotary cylinders are part of larger systems and equipment. By considering the overall system design and optimizing the interaction between components, energy-efficient operation can be achieved. This may involve optimizing the sizing and selection of rotary cylinders, reducing friction and leakage losses, implementing efficient fluid distribution systems, and employing energy-efficient control strategies.

8. Monitoring and Maintenance: Regular monitoring and maintenance of rotary cylinders contribute to energy-efficient equipment operation. By detecting and addressing issues such as leaks, wear, or misalignment, the performance and efficiency of the cylinders can be maintained. Proper lubrication and alignment also reduce energy losses and ensure smooth operation.

By incorporating these features and considerations, rotary cylinders contribute to energy-efficient equipment operation, reducing energy consumption, and promoting sustainability in various industries.

rotary cylinder

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.


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.

China Professional Cheap Custom Hydraulic Outrigger Cylinder for Mobile Crane   with Good quality China Professional Cheap Custom Hydraulic Outrigger Cylinder for Mobile Crane   with Good quality
editor by CX 2024-03-10