This advanced Cable Reeling Drum is a critical component designed to provide highly accurate length measurement for Safe Load Indicator (SLI) systems. Unlike typical power reeling drums, this unit specifically houses a precision length sensor (encoder) that monitors the extension and retraction of the crane boom, jib, or hoist rope. Its robust aluminum body ensures durability while maintaining a lightweight profile.
The image shows a compact, dark-colored drum with a neatly wound cable, highlighting its integration capability.
Key Features Benefits:
Accurate Length Measurement: At the core of this reeling drum is a high-resolution rotary encoder that precisely measures the length of the cable spooled in or out. This data is fed directly to the Safe Load Indicator, allowing it to accurately calculate boom length (LEN) and working radius (RAD), which are essential for determining the crane's stability and safe operating parameters.
Lightweight Aluminum Body: Constructed with a high-strength aluminum alloy body, this reeling drum offers excellent durability and corrosion resistance without adding unnecessary weight to the crane structure. The aluminum construction ensures a long service life even in challenging outdoor environments.
Integrated Precision Sensor: The internal rotary encoder is protected within the drum housing, shielding it from external elements and mechanical damage. This integration ensures consistent and reliable length readings.
Smooth Cable Management: The drum design ensures smooth and controlled winding and unwinding of the integrated measuring cable, preventing tangles, snags, and premature wear.
Essential for SLI Accuracy: Precise boom length and radius inputs are fundamental for the Safe Load Indicator to accurately assess the current load moment and prevent overloading. This reeling drum is a cornerstone for the SLI's reliable functionality.
Robust Weather-Resistant: Designed to perform reliably in diverse weather conditions and demanding construction or industrial settings.
Easy Installation: Its compact and self-contained design allows for straightforward integration onto various crane types and lifting equipment.
Technical Specifications (Typical - specific values would vary by model):
Body Material: High-Strength Aluminum Alloy
Measuring Principle: Rotary Encoder based (Incremental or Absolute options available)
Measurement Range: (Specific to model, e.g., 0-50m, 0-100m, etc.)
Accuracy: High precision, typically within 0.1% F.S.
Cable Type: Durable, flexible measuring cable (often specialized for tensile strength and signal transmission)
Output Signal: Digital pulse (for incremental encoders) or Analog/Digital (for absolute encoders), compatible with SLI systems.
Protection Class: IP65 (Dust resistant)
Operating Temperature Range: 20 C to +70 C
Application: Boom length and radius sensing for cranes and lifting equipment.
Applications:
An indispensable component for comprehensive Safe Load Indicator systems on:
Mobile Cranes
Telescopic Boom Cranes
Hydra Cranes
Lattice Boom Cranes
And other lifting machinery requiring precise length and radius monitoring.