Telescopic Hydraulic cylinders have transformed the realm of hydraulic and pneumatic systems with their distinctive design that offers an extensive output travel while maintaining a compact retracted length. These specialized cylinders have become critical components in various industrial applications due to their efficiency and versatility.
Our factory is a high quality China telescopic hydraulic cylinder manufacturer and supplier. Our team has rich experience in the design, manufacture, and application of telescopic hydraulic cylinders.
Advanced Design and Functionality
Telescopic cylinders, including the 2-stage, 5-stage, and 3 stage hydraulic telescopic cylinder for dump truck, are engineered to deliver a considerably long output travel compared to their retracted length. The collapsed length of a telescopic cylinder usually ranges from 20 to 40% of its fully extended length, depending on the number of stages. Some pneumatic telescoping units are designed with retracted lengths of less than 15% of the overall extended unit length, making them highly compact and space-efficient.
Benefits for Machine Design Engineers
One of the primary benefits of telescopic cylinders is their appeal to machine design engineers who face space constraints in their applications. When a conventional single-stage rod-style actuator cannot fit to produce the required output stroke, telescopic cylinders provide a practical solution. The capability to extend to a much greater length while maintaining a compact retracted size makes them ideal for various engineering challenges.
Key Components of Telescopic Cylinders
- Main Barrel: The main body of the cylinder that houses the stages and supports the entire structure. The main barrel is known as hydraulic cylinder barrel, made of hydraulic cylinder tube (this tube is known as honed tube also).
- Stages: Multiple nested tubes that extend and retract to provide the necessary stroke length. The nested tube usually is OD chrome plated honed tube.
- Seals: Critical for preventing leaks and maintaining pressure within the cylinder.
- Piston: Moves within the cylinder to create the necessary force for extension and retraction.
- Piston Rod: The piston rod usually is made of chrome plated rod.
- End Caps: Secure the ends of the cylinder and provide mounting points for the hydraulic or pneumatic connections.
Common Applications in Industrial Settings
Telescopic cylinders are widely used in various industrial settings, with one of the most common applications being in dump trucks used on construction sites. The dump body of a truck needs to be raised to a steep angle, typically around 60 degrees, to completely empty its load of gravel. Achieving this extended travel with a conventional hydraulic cylinder is often challenging due to the limited stroke length and the larger collapsed size of single-stage cylinders.
Efficient Solutions for Challenging Tasks
In scenarios like the dump truck example, where space is limited and a long output stroke is required, 3 stage hydraulic telescopic cylinders shine. While a single-stage cylinder would struggle to fit within the chassis of the dump truck in its resting position, a telescopic multi-stage cylinder can easily extend to the necessary length when actuated. This versatility and adaptability make telescopic cylinders invaluable in overcoming engineering obstacles in various industries.
Telescopic cylinders represent a remarkable innovation in hydraulic and pneumatic systems, offering extended travel capabilities from a compact design. Their ability to solve space constraints and deliver long output strokes make them indispensable in diverse industrial applications, showcasing the power of innovative engineering solutions. As technology continues to advance, telescopic cylinders, particularly the 3 stage hydraulic telescopic cylinder for dump trucks, will play an increasingly pivotal role in shaping the future of machinery and equipment design.
Our factory is a high quality China telescopic hydraulic cylinder manufacturer and supplier, we produce and supply a wide size range and types of 2-stage telescopic cylinders, 3-stage telescopic cylinders, 4-stage telescopic cylinders, and 5-stage telescopic cylinders.
