10t Electric Single Girder Overhead Travelling Crane manufacturers
10t Electric Single Girder Overhead Travelling Crane suppliers
10t Electric Single Girder Overhead Travelling Crane factory
10t Electric Single Girder Overhead Travelling Crane best
10t Electric Single Girder Overhead Travelling Crane high quality
10t Electric Single Girder Overhead Travelling Crane
Products Description
Key Features:
✔ Compact & Lightweight – Ideal for workshops and factories with limited space.
✔ Electric-Powered – Smooth operation with reduced manual effort.
✔ Easy Installation – Requires less structural support than double girder cranes.
✔ Cost-Effective – Lower initial investment compared to double girder cranes.
Types of Electric Single Girder Cranes
(A) Based on Hoist Type
Wire Rope Hoist – Higher lifting capacity (up to 20 tons), smoother operation.
Chain Hoist – Compact, suitable for light loads (up to 5 tons).
(B) Based on Support Structure
Top-Running – Moves on rails mounted on top of runway beams (higher capacity).
Underhung (Under-Running) – Moves on the lower flange of runway beams (space-saving).
(C) Based on Control
Pendant Control – Wired handheld controller.
Radio Remote Control – Wireless operation for flexibility.
Cabin-Operated – For high-precision or heavy-duty applications.
Lifting Capacity 1 – 20 tons (custom up to 50+ tons)
Span 5 – 30 meters
Lifting Height 3 – 30 meters
Lifting Speed 1 – 20 m/min (adjustable)
Trolley Speed 5 – 30 m/min
Crane Travel Speed 10 – 60 m/min
Power Supply 380V/415V, 50Hz (3-phase)
Duty Class FEM A3-A5 (Medium to Heavy Duty)
Pictures & Components
1. Main Load-Bearing Structure
| Component | Function | Material/Type |
|---|---|---|
| Single Bridge Girder | Primary horizontal beam carrying all loads | Rolled steel I-beam (Q235B/Q345B) or welded box girder |
| End Trucks | Support girder and enable longitudinal movement | Steel fabrication with machined wheels |
| Runway Beams | Support entire crane system | Typically hot-rolled H-beams (e.g., H200×200) |
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 |
2. Lifting Mechanism
| Component | Function | Common Specifications |
|---|---|---|
| Electric Hoist | Provides vertical lifting power | - CD/MD type wire rope hoist (1-20t) - Chain hoist (0.5-5t) |
| Trolley Frame | Supports and moves hoist along girder | Steel frame with drive mechanism |
| Trolley Wheels | Allow cross-travel movement | Forged steel wheels (Ø200-400mm) |
 |
 |
3. Motion Systems
| Component | Function | Technical Details |
|---|---|---|
| Bridge Drive | Moves entire crane along runway | - 2x 0.4-5.5kW motors - Gearbox ratio ~31.5:1 |
| Trolley Drive | Moves hoist across girder | - 0.2-2.2kW motor - Frequency control option |
| Travel Wheels | Enable smooth movement | - Double-flanged design - UG hardness 300-400HB |
4. Electrical Systems
| Component | Function | Key Features |
|---|---|---|
| Festoon System | Power delivery for moving crane | Copper conductor bars or cable reels |
| Control Panel | Houses electrical components | IP54 protection, thermal overload relays |
| Limit Switches | Prevent over-travel | Rotary cam type or proximity sensors |
| Pendant Station | Operator control interface | 8-button or 12-button IP65 rated |
5. Safety Components
| Component | Function | Standards |
|---|---|---|
| Overload Limiter | Prevents excess loading | EN 13155 compliant |
| Emergency Stop | Immediate power cutoff | Red mushroom button |
| Bumpers | Absorb impact at travel limits | Rubber or polyurethane |
| Warning Devices | Audible/visual alerts | 95dB buzzer + strobe light |
.
6. Auxiliary Components
| Component | Function | Notes |
|---|---|---|
| Crane Rails | Guide for smooth travel | QU70/QU80 steel rails |
| Rail Clamps | Secures crane when parked | Manual or automatic |
| Cable Trays | Organize power cables | Galvanized steel construction |
Maintenance Checklist Components
Lubrication Points:
Wheel bearings (Li-XB2 grease)
Gearboxes (ISO VG 220 oil)
Inspection Items:
Rope/chains for wear
Brake lining thickness
Electrical contacts
Sketch
Main technical
Advantages
1. Cost-Effectiveness
Lower initial investment (~30-50% cheaper than double girder cranes)
Reduced installation costs due to lighter structure
Minimal foundation requirements (saves civil work expenses)
2. Space Efficiency
Compact design (ideal for facilities with height restrictions)
Underhung version available (utilizes building structure as support)
Narrow hook approach (maximizes usable workspace)
3. Energy Efficiency
Electric operation consumes less power than hydraulic systems
Regenerative braking in modern models recovers energy
Variable Frequency Drives (VFDs) optimize motor performance
4. Operational Advantages
Smooth and precise load positioning (±10mm accuracy)
Quieter operation compared to double girder cranes
Easy maintenance with accessible components
5. Flexibility
Modular design allows capacity upgrades
Multiple control options (pendant/remote/cabin)
Customizable span lengths (up to 35m in some models)
6. Safety Features
Integrated overload protection
Fail-safe brakes (dual braking systems)
Emergency stop functions (meet EN 60204 standards)
Application:
1. Manufacturing Facilities
Automotive plants: Engine/transmission assembly
Machinery workshops: Heavy component handling
Steel service centers: Coil and plate handling
2. Warehousing & Logistics
Distribution centers: Container loading/unloading
Cold storage: -30°C to +40°C operation
Package handling: With specialized lifting attachments
3. Power & Energy Sector
Transformer maintenance (5-20 ton applications)
Turbine hall servicing in power plants
Solar panel manufacturing lines
4. Construction Material Handling
Precast concrete production
Steel structure fabrication
Building material warehouses
5. Specialized Environments
Food processing plants: Stainless steel models (IP65)
Paint shops: Explosion-proof versions
Clean rooms: Low particulate emission design
6. Maintenance Applications
Industrial plant overhauls
Equipment installation/removal
Facility maintenance operations
Crane production procedure
1. Design & Engineering
Requirement Analysis: Confirm load capacity, span, lift height, automation level, control mode, and safety features based on customer needs.
Structural Design: Design the single girder main beam, end carriages, trolley, and hoist assembly using CAD software.
Electrical & Control Design: Develop control system schematics including PLC programming, motor selection, VFDs, sensors, alarms, and safety interlocks.
Simulation & Validation: Use FEA (Finite Element Analysis) for structural integrity and dynamic simulation for motion control.
2. Material Procurement
Source high-quality steel (Q345B or equivalent) for main beam and components.
Acquire motors, hoists, VFDs, PLCs, limit switches, and alarm systems from trusted suppliers.
Ensure all components meet relevant certifications and standards (ISO, CE, GB).
3. Main Beam Fabrication
Cutting: Steel plates cut to size using CNC flame/plasma cutting machines.
Forming: Roll or shape plates into the I-beam or box girder profile.
Welding: Perform welding of flanges, web, and stiffeners following welding procedure specifications (WPS).
Heat Treatment: Stress relief if necessary to reduce welding deformation.
Machining: Drill holes for end carriage and trolley mounting; machine crane rails if integrated.
Inspection: Check weld quality (X-ray or ultrasonic), dimensions, and surface finish.
4. End Carriage & Trolley Assembly
Frame Fabrication: Cut and weld end carriage frames and trolley frames.
Wheel Assembly: Mount wheels and fit bearings; assemble drive motor and gearbox.
Installation: Attach wheels to frames and mount brakes and limit switches.
Testing: Static and dynamic tests on wheels and brakes for smooth rotation and load bearing.
5. Hoist Assembly
Assemble wire rope or chain hoist on the trolley.
Install hook block, safety latch, load limiter, and load sensors.
Connect hoist motor, gearbox, brake, and encoders.
Conduct functional tests on hoisting speed, lifting capacity, and braking.
6. Electrical Wiring & Control System
Install motor cables, control cables, and communication lines.
Mount PLC, VFDs, contactors, and safety relays in the control cabinet.
Wire limit switches, alarms, emergency stop, and sensors.
Program PLC with automated control logic, safety interlocks, and diagnostics.
7. Surface Treatment
Cleaning: Remove rust, oil, and debris from all steel parts.
Primer Coating: Apply anti-corrosion primer.
Final Paint: Spray high-durability industrial paint to protect against wear and corrosion.
Curing: Allow proper drying time to ensure finish quality.
8. Pre-Installation Testing
No-Load Tests: Run crane, trolley, and hoist without load to verify movement, speed, and control.
Load Test: Perform rated load test per standards to ensure lifting capacity and structural integrity.
Safety Device Check: Verify operation of overload limiter, limit switches, emergency stop, and alarms.
Automation Validation: Test automated sequences, positioning accuracy, and sensor feedback.
9. Packing & Shipping
Disassemble parts if necessary for transport.
Protect components with rust-proofing, padding, and secure packing.
Prepare documentation including user manuals, maintenance guides, and test certificates.
10. Installation & Commissioning (On-Site)
Reassemble crane components at customer site.
Align crane rails and secure runway structure.
Connect power and control wiring.
Calibrate sensors and test automated control functions.
Train operators and maintenance personnel.
Hand over documentation and certification.
Workshop view:
The company has installed an intelligent equipment management platform, and has installed 310 sets (sets) of handling and welding robots. After the completion of the plan, there will be more than 500 sets (sets), and the equipment networking rate will reach 95%. 32 welding lines have been put into use, 50 are planned to be installed, and the automation rate of the entire product line has reached 85%.
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