200T Second Hand Crawler Cranes Yellow Telescopic Boom Crawler Crane

This crane incorporates mechanical, electronic, and hydraulic safety systems with multiple alarm devices to ensure operational safety.

• Installation & Working Mode Switching: Safety devices are disabled during installation mode for convenience, then fully functional in working mode.
• Emergency Stop: Immediate shutdown capability for all operations in emergencies.
• Anti-Misoperation Protection: Handle safety switch prevents accidental activation when not engaged.
• Overwinding Prevention: Automatic stop when hoist reaches maximum height with visual indicator.
• Over-Releasing Protection: Three-turn protector halts lowering when minimal rope remains on drum.
• Pawl Lock: Ratchet locking device secures luffing winch for boom parking safety.
• Slewing Lock: Upper vehicle rotation locking mechanism when stationary.
• Anti-Tilting System: Prevents backward tilting of main boom and jib bracket.
• Boom Angle Limiter: Controlled stopping at specified angles with audible alarms.
• Hook Anti-Drop: All hooks feature retention plates to secure slings.
• Hydraulic Safety: Balance valves and overflow valves maintain system stability.
• Torque Limiter: Automatic load/angle monitoring with overload warning and shutdown.
• Visual/Audible Alarms: Three-color warning lights with sound alerts for load/status monitoring.
• Operational Visibility: Includes rearview mirror, lighting systems, and height indicator lights.
• Environmental Monitoring: Anemometer for real-time wind speed detection and mechanical level for surface inclination.