Product Overview
Dump Truck For The Fourth Bridge Project adopts a high-cycle transport chassis and reinforced aggregate dump body for intensive material hauling in large-span bridge foundation, pier construction, and concrete supply operations.
Key Technical Parameters
|
Parameter |
Specification |
| Load Capacity | 35,000 - 40,000 kg |
|
Total Mass |
48,000 - 52,000 kg |
|
Dump Body Volume |
25-30 m³ |
|
Overall Length |
10,000 - 12,000 mm |
|
Overall Width |
2,500 - 2,800 mm |
|
Axle Configuration |
4 Axle Tandem |
|
Dump Angle |
45° - 50° |
|
Power System |
Hydraulic lift system |
|
Chassis Material |
High-strength alloy steel |
|
Tire Configuration |
16 heavy-duty tires |
Continuous Heavy Aggregate Transport
High-Rigidity Chassis Structure
The frame uses 8–12mm high-strength steel longitudinal beams with reinforced crossmember density around load concentration zones to improve stability during repeated heavy-load transport.
Thickened Ore & Aggregate Floor
The cargo floor adopts wear-resistant steel plates with reinforced bottom ribs to reduce deformation from crushed stone and concrete aggregate impact.
Reinforced Rear Suspension Mounts
Suspension connection areas use secondary strengthening plates to improve durability under continuous construction-site vibration.
High-Frequency Dumping Performance
Rapid Hydraulic Response
The hydraulic system uses enlarged oil pathways and high-flow cylinders to shorten lifting cycle time during continuous unloading operations.
Controlled Material Discharge
The dump body angle is optimized at 50°±2° to improve unloading consistency for mixed aggregate and wet concrete materials.
Stable Subframe Support
The subframe uses multi-point chassis reinforcement to reduce stress concentration during repeated tipping cycles.
Bridge Site Mobility Optimization
Narrow Access Road Maneuverability
Steering geometry is optimized for movement around bridge pier zones, temporary ramps, and confined construction corridors.
Reinforced Ground Clearance Layout
Critical drivetrain and hydraulic components are positioned higher to reduce damage risks on muddy excavation roads.
Construction-Grade Tire System
Heavy-duty tires use reinforced bead structures to improve sidewall durability under overloaded site transport conditions.
Long-Term Structural Protection
Full-Chassis Sandblasting
Structural steel components complete SA2.5 sandblasting before coating to improve anti-corrosion adhesion performance.
Gravel Impact Protection
Hydraulic pipelines and brake lines use protective steel shielding to reduce damage from flying stone debris.
Moisture-Resistant Electrical Routing
Electrical harness connectors use sealed waterproof structures for outdoor bridge construction environments.
Production Control
Chassis Stress Simulation
Finite load analysis is used during frame reinforcement layout to improve long-term structural fatigue resistance.
Hydraulic Pressure Verification
Hydraulic cylinders and oil circuits complete continuous pressure holding tests before assembly.
Dump Synchronization Calibration
Cargo body lifting balance and tipping alignment are calibrated before final inspection.
Road Load Testing
Finished vehicles complete simulated construction-road transport testing under full payload conditions.
FAQ
1. What is the advantage of the reinforced subframe structure?
The reinforced subframe improves load transfer between the chassis and dump body, reducing stress cracking during high-frequency unloading operations.
2. Why is a high-flow hydraulic system used?
High-flow hydraulic circuits shorten lifting response time and improve operational efficiency during continuous aggregate transport cycles.
3. How is drivetrain protection improved on rough construction roads?
Critical pipelines and drivetrain components use elevated routing and steel protective shielding to reduce gravel impact damage.
4. Which dump body structure is better for bridge aggregate transport?
U-shape dump bodies provide smoother unloading and lower material residue when transporting wet sand and mixed concrete aggregate.
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