Product description:

Hydraulic cylinders are actuators that convert hydraulic energy into linear mechanical force. They have a compact structure, high output force, and smooth operation. They are the core components for performing actions such as pushing, pulling, lifting, and pressing in various mechanical and industrial systems, and are widely used in construction machinery, metallurgy, mining, shipping, and other fields.

An Outrigger extension cylinder, also known as a hydraulic outrigger cylinder or outrigger telescopic cylinder, is a crucial component used in cranes, concrete pump trucks, aerial work platforms, and heavy construction machinery. Its primary function is to extend and retract the outriggers, which provide stability and balance during lifting or working operations.

By using hydraulic power, the outrigger extension cylinder ensures that the machine maintains a safe, steady, and level position on uneven or soft ground. This prevents tipping or shaking during heavy load operations, making it an indispensable part of modern construction, transportation, and lifting equipment.

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Working Principle and Structure

The hydraulic outrigger extension cylinder operates by converting hydraulic pressure into linear motion. When pressurized hydraulic fluid is introduced into the cylinder, the piston rod extends or retracts, adjusting the position of the outrigger beam.

This movement allows the equipment to widen its base for improved stability or retract it for compact storage and transportation.

A standard outrigger cylinder consists of:

Cylinder barrel: Made from seamless precision steel for high pressure resistance.

Piston and piston rod: Transmit hydraulic force to control outrigger movement.

Sealing system: Prevents oil leakage and ensures consistent performance.

End caps and mounting points: Secure the cylinder to the outrigger frame.

Most outrigger extension cylinders are double-acting, providing hydraulic force in both extension and retraction directions for smooth and reliable control.

Material and Manufacturing Process

The cylinder body is made from high-strength alloy steel or precision seamless steel tubes, which are honed and polished for excellent sealing and smooth motion. The piston rod undergoes hard chrome plating or QPQ nitriding treatment, providing exceptional corrosion resistance and surface hardness.

All parts are produced using CNC precision machining to ensure tight tolerances and excellent performance. Advanced robotic welding ensures strong, uniform joints, while the sealing system utilizes imported brands such as Parker, Hallite, and NOK for superior reliability.

Every cylinder is tested under high pressure and load conditions, in compliance with ISO 9001, DIN, and CE standards, ensuring excellent performance and long service life.

Key Features and Advantages

High Stability and Safety: Provides strong support and load-bearing capacity for equipment operation.

Smooth and Accurate Movement: Ensures precise outrigger extension and retraction.

Superior Sealing Performance: Prevents internal leakage and pressure loss under heavy loads.

High Pressure Resistance: Withstands pressures up to 35 MPa for demanding hydraulic systems.

Corrosion and Wear Resistance: Advanced surface treatments extend working life.

Compact and Durable Design: Easy installation and long-term reliability.

Customizable Dimensions: Available in multiple bore sizes, strokes, and mounting types.

Low Maintenance Requirements: Easy replacement of seals and simple structure design.

Working principle of hydraulic cylinder:

Applications:

The hydraulic cylinder is an energy conversion device that converts hydraulic energy into mechanical energy. It is the core executive component in the hydraulic system. The hydraulic cylinder uses hydraulic oil to drive the piston to move, converting hydraulic energy into linear reciprocating motion. When the hydraulic oil enters the cylinder barrel, it pushes the piston rod to extend or retract, completing the predetermined action. The direction and speed of its movement are regulated by the hydraulic control system. The hydraulic cylinder consists of a cylinder barrel, cylinder cover, piston and piston rod, sealing device, and buffering device. According to its structure, it can be classified as piston type, plunger type, multi-stage telescopic sleeve type, and gear rack type. Hydraulic cylinders are widely used in machine tools, construction machinery, vehicles, and other fields, featuring a simple structure and smooth movement.

The Outrigger Extension Hydraulic Cylinder is widely used in heavy machinery and lifting equipment, such as:

Truck Cranes: Controls outrigger beam extension for enhanced stability during lifting.

Concrete Pump Trucks: Provides support to balance the vehicle during pumping operations.

Aerial Work Platforms: Ensures safe positioning and load distribution at working heights.

Firefighting Trucks: Stabilizes vehicles during rescue and firefighting tasks.

Drilling Rigs and Mining Machines: Maintains equipment balance on rough terrain.

Utility and Maintenance Vehicles: Enables stable operation of hydraulic booms.

Marine Cranes and Offshore Platforms: Provides stability for lifting equipment on ships or rigs.

In all these applications, the outrigger extension cylinder ensures the equipment remains steady, safe, and efficient under heavy-duty conditions.

Quality Control and Testing

Each outrigger oil cylinder undergoes comprehensive quality inspection before delivery, including:

Hydraulic pressure testing for leakage and burst resistance.

Dimensional accuracy measurement to ensure perfect fit.

Surface hardness and coating adhesion testing for durability.

Load and fatigue testing under continuous operation.

Performance verification for smooth extension and retraction.

These rigorous procedures guarantee reliable operation and long service life in the most demanding environments.

Company profile:

Since its establishment in 2014, Wuxi Hengxin Zhicheng Co., Ltd. has rapidly grown into a leading enterprise in the steel manufacturing industry. We focus on the research, production and sales of seamless steel pipes, special-shaped steel pipes and hydraulic cylinders, and are committed to providing customers with high-quality, customizable products that fully meet diverse application needs.

Our products are exported to global markets such as the Middle East, South America, Africa, and Southeast Asia, and are highly trusted by large purchasers and customers in the steel industry. We always prioritize quality, reliability and customer service, and attach great importance to establishing long-term and stable cooperative relationships with customers. We provide each customer with tailor-made solutions.

We continuously promote technological innovation and improve service capabilities and production efficiency. Through an efficient online platform, you can browse our best-selling products at any time and communicate with the sales and support teams in real time to conveniently obtain the information you need. We sincerely invite partners from all countries to visit, exchange and provide guidance, and jointly explore more possible cooperation opportunities!

Certification:

Packaging and Transportation:

【Package standard】

We use steel bands to tightly package the products into hexagonal bundles. The structure is stable and not prone to deformation. Each bundle is equipped with two high-strength nylon straps to ensure the safety and convenience of the lifting operation.

To meet various maritime transportation needs, we offer a range of customized packaging options, including full coverage with oilcloth, moisture-proof wooden boxes, and high-strength protective frame packaging, to ensure the maximum safety of goods during transportation.

【Guarantee for transportation】

We offer 20-foot and 40-foot standard container transportation services. Each container can carry up to 25 tons of goods and we can accept trial orders with a minimum of 5 tons. This allows for flexible adaptation to your purchasing scale. All packaging complies with maritime shipping standards to ensure that the goods are delivered to the destination efficiently and safely.

Why us?

We focus on the research, development, production and sales of seamless steel pipes, special-shaped steel pipes and hydraulic cylinders. We have a complete production chain and an advanced equipment system, including piercing machines, cold drawing machines, hot rolling machines, high-precision flaw detection and testing equipment. The company has passed multiple authoritative certifications such as ISO9001, API, SGS, CCS, DNV, ABS, CE, RoHS, etc., ensuring that each product complies with international standards. We are committed to providing customers with high-quality, customizable solutions to meet diverse application needs.

Relying on our own built processing base and modern workshops, combined with multiple branches and storage centers across the country, we have achieved sufficient inventory and efficient logistics coordination, significantly shortening the delivery cycle and ensuring the rapid delivery of orders.

We have established a complete service and support system. After the order is signed, the professional after-sales team can provide timely and safe on-site guidance and technical support to ensure that customers are at ease throughout the process from procurement to use.

FAQ：

1. Do you support customized design and production?

Sure. We have a professional engineering team that can conduct customized design and production with special sizes, control systems or OEM according to your requirements.

2. How fast can you deliver?

In stock sizes, it takes 3-5 days. For customized sizes, it takes 30-35 days.

3. What payment methods do you support?

We support TT payment. Generally, 30% to 50% of the payment is made in advance, and the remaining amount is paid before shipment.

4. Can you provide material certification (MTC)?

Yes, we will provide MTC to you after production is completed to ensure that the material quality meets the standards.

5. What is the minimum order quantity?

Generally, we accept trial orders. The minimum order quantity is 1-3 tons, which can be determined according to different products.