This technical specification document aims to provide a detailed description of the technical requirements, design parameters, and performance indicators of a customized container gantry crane. The equipment is designed to meet the demands of efficient and safe container handling in modern ports, logistics centers, and railway freight yards. The crane will utilize advanced technology and materials to ensure high reliability and long service life under complex working conditions. Through modular design and an intelligent control system, the equipment will achieve high operational efficiency while reducing maintenance costs and energy consumption.
2. Operating Environment
2.1 Work Locations
Applicable Sites: Suitable for outdoor operations, including but not limited to seaports, river ports, railway freight yards, and large logistics storage centers.
Operational Characteristics: The equipment must adapt to high-intensity container handling operations, meeting frequent lifting, stacking, and transfer requirements.
2.2 Climate Conditions
Extreme Weather Adaptability: The design must account for extreme weather conditions, such as strong winds (maximum wind speed ≥ 20 m/s), heavy rain (maximum rainfall ≥ 50 mm/h), and high temperatures (ambient temperature range: -20°C to +50°C), ensuring stable operation under various climatic conditions.
Corrosion Resistance: The equipment must have excellent anti-corrosion properties to withstand high salt spray corrosion in marine environments.
2.3 Ground Conditions
Surface Flatness: The ground must be level and solid, with tracks laid in compliance with international or industry standards (e.g., ISO 8306 or GB/T 10183) to ensure smooth crane operation.
Track Requirements: The tracks must have sufficient load-bearing capacity, with track spacing errors controlled within ±5 mm and track straightness errors ≤ 2 mm/m.
3. Main Technical Parameters
Parameter
Technical Specifications
Model
Customized Container Gantry Crane XX Type
Rated Load Capacity
60 tons (including spreader, suitable for 20-foot, 40-foot, and 45-foot standard containers)
Lifting Height
Maximum lifting height of 25 meters (adjustable based on customer requirements)
Span
50 meters (customizable based on site conditions)
Base Distance
Determined based on crane stability calculations
Gantry Travel Speed
0-60 meters/minute (variable frequency speed control)
Trolley Travel Speed
0-40 meters/minute (variable frequency speed control)
Lifting Speed
0-8 meters/minute at full load, 0-16 meters/minute at no load (variable frequency speed control)
Duty Class
A6 (according to FEM or ISO standards)
Power Supply
Three-phase AC 380V, 50Hz
Total Weight
Approximately 300 tons (subject to final design)
4. Structure and Functions
4.1 Gantry Frame
Materials and Structure: Constructed using high-strength low-alloy steel (e.g., Q345B) with welded joints, ensuring structural stability and strong wind resistance.
Wind Resistance Design: The gantry frame must withstand wind speeds of ≥ Level 12 and be equipped with windproof anchoring devices.
4.2 Travel Mechanism
Drive Method: The gantry travel mechanism uses four-wheel drive, equipped with anti-slip and limit devices to ensure safe operation.
Track Adaptability: Travel wheels are made of high-strength alloy steel with surface quenching to ensure wear resistance and long service life.
4.3 Lifting Trolley
Rotation Mechanism: Equipped with a high-precision rotation mechanism, allowing 360-degree flexible rotation to adapt to various working angles.
Type: Electric telescopic spreader, compatible with 20-foot, 40-foot, and 45-foot standard containers.
Functions: Equipped with automatic locking and unlocking functions, enabling quick switching between container sizes.
4.5 Electrical System
Control System: Utilizes a PLC control system integrated with variable frequency speed control, fault self-diagnosis, and remote monitoring functions.
Smart Features: Supports remote fault diagnosis, operational data recording, and energy consumption analysis.
4.6 Safety Devices
Basic Configuration: Includes overload protection, travel limiters, windproof anchoring, and emergency stop functions.
Additional Features: Equipped with wind speed monitoring, tilt alarms, and anti-collision systems.
5. Materials and Manufacturing
5.1 Main Materials
Steel: High-strength low-alloy steel (e.g., Q345B) compliant with international standards (e.g., ASTM or EN), ensuring structural strength and corrosion resistance.
Key Components: Main load-bearing parts (e.g., main beams, legs) must undergo non-destructive testing (UT/MT/PT) to ensure defect-free quality.
5.2 Welding Process
Welding Methods: Combines automatic and manual welding to ensure weld quality.
Weld Inspection: 100% ultrasonic testing for all welds, with X-ray testing for critical welds.
5.3 Surface Treatment
Anti-Corrosion Treatment: Sandblasting followed by high-performance anti-corrosion coatings (e.g., epoxy zinc-rich primer + polyurethane topcoat), ensuring a service life of ≥ 15 years.
Appearance Requirements: Uniform coating surface, free from sagging, bubbles, or other defects.
6. Testing and Acceptance
6.1 Factory Testing
No-Load Test: Verifies smooth operation of all mechanisms without abnormal noise.
Full-Load Test: Tests lifting, travel, and rotation functions under rated load to ensure performance compliance.
Continuous Operation Test: Simulates actual working conditions to verify equipment reliability.
Safety Device Test: Tests overload protection, limiters, and other safety functions to ensure reliability.
6.2 On-Site Installation and Commissioning
Installation Team: Professional team responsible for installation, ensuring precision meets design requirements.
Commissioning Content: Includes track adjustment, electrical system debugging, and overall performance testing.
6.3 Acceptance Criteria
Standards: Compliance with national and industry standards (e.g., GB/T 14405, ISO 4301).
Documentation: Provides factory test reports, installation and commissioning reports, and acceptance certificates.
7. After-Sales Service
7.1 Warranty Period
Duration: 12 months from the date of acceptance, including free repairs and technical support.
Response Time: 24-hour response to fault notifications, with on-site arrival within 48 hours.
7.2 Training Services
Training Content: Provides equipment operation, maintenance, and troubleshooting training for operators.
Training Methods: On-site training + remote guidance to ensure operators are proficient in equipment use.
7.3 Spare Parts Supply
Spare Parts Inventory: Long-term supply of spare parts to ensure uninterrupted maintenance.
Technical Support: Lifetime technical support to assist customers in resolving equipment issues.
8. Attachments and Documentation
8.1 Standard Attachments
Operation Manual: Detailed instructions on equipment operation and precautions.
Maintenance Manual: Guidelines for daily maintenance and periodic servicing.
Drawings and Documents: Includes electrical diagrams, mechanical drawings, and component manuals.
8.2 Technical Documentation
Design Calculations: Provides structural strength, stability, and safety calculations.
Safety Assessment Report: Includes risk assessment and safety protection measures.
Performance Test Reports: Records factory and on-site testing data.
9. Remarks
This technical specification serves as a preliminary design basis, with specific details adjustable based on actual customer requirements.
The seller must provide a detailed design plan and quotation before contract signing, subject to buyer confirmation.
The equipment design must comply with national and industry standards to ensure safety, reliability, and efficiency.
The buyer may propose special requirements based on actual needs, and the seller must accommodate them within technical feasibility.
This technical specification outlines the preliminary design framework for a customized container gantry crane. Specific details will be further planned based on actual usage scenarios, customer requirements, and industry standards.
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