Product Description
Hydraulic cylinder(FE)
| Effective diameter | Number of stages | Stroke | Max working pressure |
| 110-214 mm | 3-6 | 3100-9530 mm | 150-250 Bar |
HangZhou Chengfeiyue hydraulic Machinery Co., LTD focuses on the production and development of hydraulic system. We mainly produce lift valves, limit valves, pneumatic control valve, gear pumps and A complete set of hydraulic system components. Our company is located in Industrial Park, HangZhou City, ZheJiang Province.
Production Process
Our company now has advanced excellent imported horizontal processing center and vertical processing center, also advanced cathodic electrophoretic coating production line and other precision manufacturing equipment have been introduced. We have cylindricity tester, hardness tester, thread tester, simulation vehicle hydraulic system test bench and other advanced laboratory, inspection equipment.
It has different processing workshops, including Rough machining,Finish machining,Pneumatic valve, limit valve processing zone,Centerless grinding machine,Cleaning machine ,Electrophoretic workshop,Assembly shop,Quality check,Testbed,etc.
Enterprise Certificate
Our company management team, research and development team and production team. Our team has rich experience in the development and manufacturing of complete hydraulic systems and strict quality management system (ISO9001:2015 and ISO/TS16949:2009 International Quality Management System Certification)
Our enterprise spirit is “work earnestly and be honest”. Take science and technology as the guide, take innovation as the soul, seek development by quality, and try our best to build famous brands in the world.
FAQ
How could I get a sample?
Before we received the first order, please afford the sample cost and express fee. We will return the sample cost back to you within your first order.
Sample time?
Existing items: Within 15 days.
Whether you could make our brand on your products?
Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | GS, CE, ISO9001 |
|---|---|
| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Switching Type |
| Samples: |
US$ 500/Pieces
1 Pieces(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
Can telescopic cylinders be used in construction equipment like cranes?
Yes, telescopic cylinders are commonly used in construction equipment, including cranes. Here’s a detailed explanation:
Role in crane operation:
Telescopic cylinders play a critical role in the operation of cranes by enabling the extension and retraction of crane booms or arms. The telescopic cylinder is typically located at the base of the boom and is responsible for extending or retracting the boom sections, allowing the crane to reach different heights and distances.
Extension and retraction mechanism:
The telescopic cylinder in a crane consists of multiple stages or sleeves that retract inside one another. This nested design allows for compact storage when the boom is retracted, minimizing the overall length of the crane. When the cylinder extends, the stages slide out, increasing the length of the boom and providing the necessary reach. The synchronized extension and retraction of the stages are facilitated by the hydraulic control system.
Hydraulic control system:
The hydraulic control system in cranes is responsible for the precise and controlled extension and retraction of telescopic cylinders. It regulates the flow of hydraulic fluid to each stage of the cylinder, ensuring synchronized movement. By adjusting the flow rate, the operator can control the speed of extension and retraction, allowing for smooth and controlled operation of the crane.
Load handling capabilities:
Telescopic cylinders in cranes are designed to handle significant loads. They provide the necessary lifting force to support heavy loads at various boom lengths. The cylinder’s bore size, rod diameter, and overall construction are engineered to withstand the forces exerted during lifting and to deliver the required lifting capacities.
Variety of crane types:
Telescopic cylinders are utilized in various types of cranes, including mobile cranes, truck-mounted cranes, and crawler cranes. These cranes are widely used in construction sites, infrastructure projects, and other lifting and material handling applications. The versatility of telescopic cylinders allows them to be integrated into different crane designs and configurations.
Advantages of telescopic cylinders in cranes:
Telescopic cylinders offer several advantages in crane applications. These include:
- Compactness: Telescopic cylinders enable the boom to be retracted to a compact size, making it easier to transport and maneuver the crane in confined spaces.
- Reach and height capabilities: The telescopic design allows the crane to achieve extended reach and height, enabling it to access elevated work areas or reach over obstacles.
- Efficiency: The controlled extension and retraction of telescopic cylinders contribute to efficient operation, allowing the crane to adjust its boom length quickly and precisely.
- Stability: Telescopic cylinders provide stability to the crane by supporting the boom and load, ensuring safe lifting and lowering of heavy objects.
Overall, telescopic cylinders are integral components of construction equipment like cranes. They enable the extension and retraction of crane booms, contribute to efficient and controlled operation, and enhance the lifting capabilities of cranes in various construction and material handling tasks.
It’s important to consult the crane manufacturer’s documentation and guidelines for specific information on the telescopic cylinder’s capabilities, maintenance requirements, and safety considerations.
How do telescopic cylinders handle variations in hydraulic pressure and flow rate?
Telescopic cylinders are designed to handle variations in hydraulic pressure and flow rate effectively. Here’s a detailed explanation:
Hydraulic pressure control:
Telescopic cylinders are equipped with hydraulic systems that allow for precise control of hydraulic pressure. The hydraulic pressure is regulated by a pump that supplies pressurized hydraulic fluid to the cylinder. The pressure can be adjusted according to the specific requirements of the application.
Pressure relief valves:
To handle variations in hydraulic pressure, telescopic cylinders often incorporate pressure relief valves. These valves are designed to limit the maximum pressure within the cylinder to prevent damage or failure. When the pressure exceeds the set limit, the relief valve opens, allowing excess fluid to bypass and relieve the pressure. This ensures the safety and integrity of the telescopic cylinder and the hydraulic system.
Flow control:
Telescopic cylinders also handle variations in flow rate through the hydraulic control system. The flow rate of hydraulic fluid into and out of the cylinder determines the speed of extension and retraction. Flow control valves, such as flow restrictors or flow control valves, are commonly employed to regulate the flow rate.
Flow restrictors:
Flow restrictors are used to limit the flow rate of hydraulic fluid entering or leaving the telescopic cylinder. By restricting the flow, the speed of extension or retraction can be controlled. This allows for precise and gradual movement, preventing abrupt or uncontrolled motion.
Flow control valves:
Flow control valves are designed to provide adjustable flow rates by regulating the opening or closing of hydraulic passages. These valves allow operators to control the speed of extension and retraction of the telescopic cylinder. By adjusting the flow control valves, variations in flow rate can be accommodated to suit specific operational requirements.
Sequencing valves:
In some applications, telescopic cylinders may require a specific sequence of extension and retraction. Sequencing valves are used to control the order in which different stages of the telescopic cylinder extend or retract. These valves ensure proper synchronization of the cylinder stages and prevent uneven or unbalanced movement.
Overall, telescopic cylinders employ various hydraulic components and control mechanisms to handle variations in hydraulic pressure and flow rate. Pressure relief valves protect against excessive pressure, flow restrictors and flow control valves regulate the flow rate, and sequencing valves ensure proper sequencing of cylinder stages. These features allow telescopic cylinders to operate safely, precisely, and efficiently under different hydraulic conditions.
It’s important to consult the manufacturer’s documentation and guidelines for specific information on the hydraulic system and control mechanisms of telescopic cylinders, as well as recommended maintenance and safety practices.
What is a telescopic cylinder and how does it work?
A telescopic cylinder is a type of hydraulic cylinder that consists of multiple nested stages or sections that can extend and retract, similar to a telescope. Here’s a detailed explanation:
A telescopic cylinder is primarily used when a long stroke length is required while maintaining a compact retracted length. It is commonly used in applications such as dump trucks, cranes, aerial platforms, and other equipment that require extended reach or height adjustment. Here’s how a telescopic cylinder works:
- Structure: A telescopic cylinder consists of a series of cylindrical stages or sleeves that are progressively nested inside one another. These stages are typically made of high-strength steel or aluminum alloy. The number of stages can vary depending on the specific design and application.
- Extension and Retraction: When the telescopic cylinder is in the retracted position, the stages are nested inside one another, with the smallest stage located at the base. To extend the cylinder, hydraulic fluid is supplied to the base of the cylinder, creating pressure that pushes the smallest stage outwards. As the smallest stage extends, it exposes the next larger stage, which is then pushed out by the hydraulic pressure. This process continues until all the stages have extended, resulting in a longer overall stroke length.
- Locking Mechanism: Telescopic cylinders often incorporate a locking mechanism to secure the extended stages in position. This mechanism ensures stability and prevents unintentional retraction of the cylinder under load. The locking mechanism can be mechanical, hydraulic, or a combination of both, depending on the design and application requirements.
- Retraction: To retract the telescopic cylinder, hydraulic fluid is supplied to the opposite side of the cylinder, typically to the largest stage. The hydraulic pressure acts on the largest stage, retracting it first. As each stage retracts, it nests inside the next smaller stage until the cylinder is fully retracted to its original compact length.
- Control and Stability: The extension and retraction of a telescopic cylinder are controlled by a hydraulic system. By regulating the flow and pressure of the hydraulic fluid, operators can precisely control the extension and retraction speed of the cylinder. The nested design of the stages provides stability and load-bearing capacity, allowing the telescopic cylinder to handle substantial loads.
The use of telescopic cylinders offers several benefits:
- Extended Stroke Length: Telescopic cylinders provide a significantly longer stroke length compared to traditional single-stage cylinders, enabling extended reach or height adjustment without increasing the overall size of the cylinder.
- Compact Design: The nested structure of telescopic cylinders allows for a compact retracted length, making them suitable for applications with space constraints.
- Versatility: Telescopic cylinders can be customized to meet specific stroke length requirements. The number of stages can be adjusted, and the cylinders can be designed for different load capacities and working conditions.
- Efficient Operation: The controlled extension and retraction of telescopic cylinders enable precise load handling and positioning, improving operational efficiency.
Overall, a telescopic cylinder is a hydraulic cylinder with nested stages that can extend and retract, providing an extended stroke length while maintaining a compact retracted length. Its structure and operation make it ideal for applications requiring long reach or height adjustment.
It’s important to follow the manufacturer’s guidelines and specifications for the telescopic cylinder, including proper maintenance and inspection, to ensure its safe and reliable operation.
editor by CX 2024-03-03