Product Overview
A truck mounted hydraulic crane is a specialized machine designed for lifting and handling loads, combining vehicle mobility with powerful lifting capabilities . Mounted on a commercial truck chassis and powered by the vehicle's engine through a power take-off (PTO), these cranes offer a versatile solution for construction sites, logistics yards, utilities, and industrial facilities . Featuring articulated or telescopic booms, they enable efficient loading, unloading, and precise load positioning across diverse work environments.
Key Advantages
1. Mobility & Self-Contained Operation
The crane integrates directly onto a commercial truck chassis, allowing it to travel on public roads at highway speeds and arrive on-site ready to work. Powered by the truck's engine via a PTO-driven hydraulic pump, it requires no external power source for lifting operations . This self-contained design eliminates the need for separate transport vehicles or dedicated crane setups.
2. Two Boom Configurations For Different Needs
- Telescopic Boom: Features a multi-section, extendable arm that provides maximum vertical reach and horizontal outreach. Hydraulic cylinders control the boom's telescoping sections, while a winch and wire rope handle hoisting . Ideal for construction sites, building projects, and applications requiring significant reach.
- Knuckle Boom (Articulating): Features a folding, articulated arm that offers greater flexibility in confined spaces. It can be equipped with various attachments like grapples or baskets . Ideal for warehouses, forestry, and applications requiring precise positioning in tight areas.
3. Full 360° Rotation & Precise Control
The crane's upper structure mounts on a slewing ring, enabling continuous 360-degree rotation . This full rotation capability allows operators to position loads in any direction without repositioning the vehicle, saving time on busy job sites.
4. Intelligent Hydraulic & Control Systems
Modern truck-mounted cranes utilize load-sensing hydraulic systems for smooth, proportional control. CAN-bus electronics and sensors monitor key parameters including boom angle, length, working radius, and load weight . These systems display real-time data and provide automatic overload warnings and limit protection for safe operation.
5. Comprehensive Safety Systems
Safety is paramount in crane operation. Standard safety features include:
Load Moment Indicators (LMI) : Display real-time load data and provide overload warnings
Outrigger Monitoring: Ensures vehicle stability before lifting operations begin
Hydraulic Safety Valves: Counterbalance valves, holding valves, and relief valves prevent uncontrolled load descent and system overpressure
Anti-Two-Block Systems: Prevent the hook block from contacting the boom tip
Core Components & Operating Principle
Hydraulic System
The hydraulic system is the heart of the crane, converting engine power into lifting force . The PTO drives a hydraulic pump (single or dual) that pressurizes hydraulic fluid. This fluid is directed through control valves to various actuators . Key components include:
- Hydraulic Pump: Converts mechanical energy to hydraulic pressure
- Control Valves: Direct fluid flow to cylinders and motors
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Hydraulic Cylinders: Lift the boom, extend telescopic sections, and deploy outriggers
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Hydraulic Motors: Power the winch and rotation mechanism
Typical Applications
Construction: Steel beam placement, material handling, concrete panel installation
Logistics & Transport: Self-loading/unloading of heavy cargo
Utilities: Transformer installation, line maintenance, pole setting
Industrial Maintenance: Equipment installation and servicing
Infrastructure: Bridge construction, road building, port operations
Emergency Recovery: Disaster response and debris removal
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