Multi-Turn Absolute Encoder in Tower Crane Applications
Application Report | October 2024 | Multi-Turn Absolute Encoder in Tower Crane Applications
At a Glance
Multi-Turn Absolute Encoder in Tower Crane Applications
- Precise positioning without power loss
- Enhanced stability and rapid response in tower crane operations
- Immediate position awareness upon power-up with multi-turn absolute encoders
- Robust design suitable for harsh environments
The Application
Tower cranes are crucial in large-scale construction projects, lifting heavy materials to great heights. Operating with pinpoint precision is essential for safety and efficiency, especially with heavy loads at significant heights and radii. BriterEncoder’s multi-turn absolute encoders provide highly accurate rotational positioning data for key crane components like the slewing mechanism, hoist, and trolley systems.
Accurate positioning is vital for controlling loads in various directions, including horizontal rotation, vertical lifting, and trolley movement. Traditional incremental encoders are prone to errors when power is lost, requiring manual interventions that slow operations and increase risks. In contrast, BriterEncoder’s encoders ensure the crane retains its exact position after power interruptions, eliminating manual calibration and reducing downtime. Additionally, these encoders are designed to withstand harsh environments with dust, moisture, vibrations, and extreme temperatures, ensuring long-term performance and durability.
The Goal
The precision of tower crane operations is directly tied to both construction efficiency and safety. Traditional incremental encoders, frequently employed in drive systems, lack a power-loss memory function, necessitating a reset to a zero point each time the system is powered on. This process can severely impede the crane’s operational efficiency and stability. To address this challenge, the rotational drive systems are now fitted with BriterEncoder’s multi-turn absolute encoders, which provide instant and accurate position data upon power-up, thereby significantly enhancing the crane’s overall performance and responsiveness.
The Solution
BriterEncoder’s multi-turn absolute encoders are integrated into the rotational drive systems of the tower crane. These encoders employ a gear reduction mechanism to capture exact angular data, ensuring the crane can identify its precise rotational position at all times—including immediately following a power-up. This integration eradicates the need for time-consuming zero-point resets, dramatically improving the crane’s operational efficiency and reliability.
The Benefits
The adoption of BriterEncoder’s multi-turn absolute encoders offers numerous significant advantages:
- Instant Position Awareness: The encoders provide immediate position data upon power-up, allowing the crane to function without delay.
- Enhanced Stability: Continuous, accurate position tracking ensures smoother and more stable crane operations.
- Rugged Design: Designed to endure harsh industrial environments, the encoders guarantee long-term reliability.
- Flexibility and Integration: Compatible with various interfaces and protocols, these encoders can be seamlessly integrated into existing crane systems.
Customer Success Stories
- Beijing Construction Engineering Group: Integrated BriterEncoder’s multi-turn absolute encoders into their tower crane systems, achieving enhanced precision and operational stability.
- Shanghai Construction Machinery Co., Ltd.: Utilized BriterEncoder’s encoders to optimize their tower crane’s rotating systems, resulting in immediate position awareness and improved operational accuracy.
