
Introduction to Locking Single-Acting Hydraulic Cylinder
The locking single-acting hydraulic cylinder works under hydraulic pressure in one direction and has a locking function to prevent movement in the absence of pressure. It is designed with safety and precision in mind, ensuring reliable performance in various applications.
Design and Construction Characteristics
- Locking Mechanism – Safety: The main feature of the locking single-acting hydraulic cylinder is its locking mechanism, which keeps the piston in a safe position when hydraulic pressure is lost, preventing accidental retracting.
- Variety: The design of the locking mechanism can be customized with different types of locks, such as spring-loaded devices or pin locks, to suit specific applications.
- Compact Structure – Space Optimization: These cylinders are compactly designed for use in limited spaces, ensuring versatility in equipment and machinery applications.
- Precision Manufacturing – High-Precision Machining: Components are machined with high accuracy to ensure proper fit and sealing performance, minimizing the risk of leakage.
Working Principle
The single-acting mechanism of the cylinder extends when hydraulic oil is pumped into the chamber, pushing the piston outward. The locking mechanism prevents the piston from retracting under load, ensuring safety even if hydraulic pressure is lost.
Types and Configurations
There are three main types of locking single-acting hydraulic cylinders, each offering unique configurations to suit specific applications.
Benefits of Locking Single-Acting Hydraulic Cylinder
- Enhanced Security: The locking feature reduces the risk of accidental retractions, enhancing operator safety.
- Reliability: Designed to operate effectively under high loads and varying conditions, ensuring consistent performance.
- Simplicity: Easy to operate and maintain, making it user-friendly for various applications.

Application Scenarios
Locking single-acting hydraulic cylinders are commonly used in construction equipment, manufacturing, transportation, and aviation industries to ensure stability and safety in various operations.
Design Considerations and Selection Criteria
When selecting a locking single-acting hydraulic cylinder, it’s essential to consider factors such as bearing capacity, sealing, durability, safety, and maintainability to ensure optimal performance.
Sealing and Lubrication

Proper sealing and lubrication are crucial for the longevity of a locking single-acting hydraulic cylinder. Using high-quality seals and regular lubrication maintenance can help prevent wear and tear.
Regular Inspection and Maintenance
Implementing regular inspection and preventive maintenance measures can extend the lifespan of the hydraulic cylinder, ensuring optimal performance and safety in operations.
Installation Guide
Following the correct installation procedures is essential for the efficient operation of a locking single-acting hydraulic cylinder. Proper alignment and secure mounting are key factors to consider.
Maintenance Tasks
Regular inspection, lubrication, seal replacement, and calibration are essential maintenance tasks to ensure the longevity and performance of the hydraulic cylinder. Proper installation and maintenance can prevent potential issues.
Safety Considerations

Emphasizing safety measures and addressing environmental factors when using a locking single-acting hydraulic cylinder is crucial for preventing accidents and ensuring operator safety.
Unit Power and Optimization
The unit power of a hydraulic cylinder is influenced by factors such as cylinder diameter, operating pressure, piston speed, and load conditions. Optimizing the power unit can improve efficiency, energy savings, and reliability.
Company Focus
We are a leading hydraulic cylinder replacement manufacturer, offering a complete product line and customized services to meet the diverse needs of our domestic and international customers. Our company is known for its professional approach, international certifications, advanced production equipment, and exceptional after-sales service.
Note: Author: lyl