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Core Components and Functions
Power Unit: Hydraulic pump (gear pump/piston pump) + oil tank + cooling/filtration system, providing a high-pressure oil source (common pressure 25–32MPa).
Control Unit: Multi-way valve (manual/electro-hydraulic proportional), balance valve, hydraulic lock, relief valve, enabling action reversal, speed regulation, pressure holding, and overload protection.
Actuators: Hoisting winch motor, luffing cylinder, telescopic cylinder, slewing motor, H-type outrigger cylinder, completing boom extension and retraction, load lifting, 360° rotation, and outrigger support.
Safety System: Torque limiter, overload unloading, overpressure alarm, HPSC stabilization system, AOS anti-vibration, ensuring operational safety.
Technical Features (Suitable for Construction Applications)
Proportional Control + Compound Actions: Post-valve compensation/dual-pump intelligent distribution, excellent micro-motion performance (single rope minimum 1.2m/min), capable of simultaneous multiple actions, suitable for precise material loading in construction.
Sequential telescopic boom extension + hydraulic lock: Smooth boom extension and retraction, outriggers/luffing mechanism with locking to prevent slippage due to pressure loss.
High pressure and high flow rate: Meets the power requirements for a 5-ton class boom with a lifting height of 27 meters, suitable for hoisting materials from 8-9 story buildings.
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