EOT Crane All Parts Name – Complete Guide with Functions & Diagram (2025)
Electric Overhead Traveling (EOT) cranes are essential in modern industrial operations—from steel plants to warehouses. To ensure optimal performance and safety, understanding EOT crane all parts name and their roles is crucial. Whether you’re a mechanical engineer, plant operator, or crane buyer, this detailed guide is your go-to resource.
If you are looking for the best manufacturers, check out this list of trusted EOT cranes manufacturers in India for high-quality and reliable solutions.
What is an EOT Crane?
An Electric Overhead Traveling (EOT) crane is a type of overhead crane that runs on electricity and moves on rails installed on a supporting structure. It consists of major mechanical and electrical components that work together to lift and transport heavy loads efficiently.
Updated List (2025): EOT Crane All Parts Name and Their Functions
Here is a complete list of EOT crane components, categorized into mechanical, electrical, and structural parts.
1. Bridge Structure
- Bridge Girder: Main horizontal beam that supports the trolley.
- End Carriages / End Trucks: Connect the crane to the runway and house the wheels.
- Walkways / Platforms: For maintenance and inspection of the crane system.
2. Trolley Assembly
- Trolley Frame: Moves along the bridge girder.
- Hoisting Mechanism: Includes motor, gearbox, drum, and wire rope.
- Wire Rope Drum: Rolls the rope up/down for lifting loads.
- Hook Block: Includes pulley, hook, and load chain.
3. Hoisting Mechanism Components
- Hoist Motor: Powers the lifting operation.
- Gearbox: Reduces motor speed and increases torque.
- Brake System: Electromagnetic or hydraulic brake for load control.
- Rope Guide: Prevents wire rope misalignment.
- Limit Switches: Prevent over-travel of hoist and trolley.
4. Drive Components
- Long Travel Drive Motor: Powers the crane’s horizontal movement.
- Trolley Travel Motor: Moves the trolley across the girder.
- Couplings & Shafts: Transmit power to wheels.
- Wheels & Bearings: Allow smooth rail movement.
5. Electrical Components
- Control Panel: Central unit housing VFDs, relays, and timers.
- Pendant Control or Remote: User interface to operate the crane.
- Busbar or DSL System: Power supply to moving parts.
- Overload Relay: Protects from excess load.
- Electric Cable Festoon System: Manages flexible power cable movement.
6. Safety Devices
- Limit Switches (Up/Down & Travel): For safety cut-off.
- Load Limiters: Prevent overloading.
- Emergency Stop: Manual switch to stop all motion instantly.
- Anti-collision Devices: Avoid crashes with adjacent cranes.
- Buffers & Bumpers: Absorb shock at crane travel ends.
Why Knowing EOT Crane Parts Is Crucial
Understanding each part helps in:
- Preventing unexpected breakdowns
- Enhancing load safety
- Planning better maintenance schedules
- Ensuring compliance with safety standards like IS 3177 & IS 807
Latest Stats and Trends (2025)
- ✅ India’s EOT crane market is expected to grow at a CAGR of 5.8% from 2024 to 2029.
- ✅ Automated EOT cranes are now used in over 60% of Tier-1 manufacturing plants.
- ✅ 90% of maintenance issues are due to poor understanding of component wear.
Types of EOT Cranes and Their Parts
EOT cranes vary based on usage and structure. Know your EOT crane types to better understand which parts are essential in your setup:
- Single Girder Cranes: Fewer parts, compact structure.
- Double Girder Cranes: Heavier load capacity, dual trolley rails.
- Underslung Cranes: Run beneath runway beams.
- Gantry Cranes: Include legs and operate without permanent overhead rails.
Visual Diagram of EOT Crane Parts
(Optional visual to be added: labeled diagram of EOT crane with parts like trolley, bridge, DSL system, hook block, hoist motor)
Commonly Replaced EOT Crane Spare Parts
- Wire ropes
- Brake linings
- Contactors
- DSL collectors
- Gearboxes
- Crane wheels
- Couplings
Maintenance Tips for EOT Crane Parts
- Lubricate gears and wire ropes regularly.
- Inspect brake pads and limit switches monthly.
- Check alignment of wheels and runway beams.
- Test emergency stop and load limiters every 15 days.
- Replace worn-out electrical relays and DSL shoes proactively.
Conclusion
EOT cranes are engineered for strength, precision, and safety. By understanding each component—from the smallest coupling to the largest girder—you empower yourself to improve efficiency, reduce downtime, and extend equipment life. Don’t forget to consult reliable EOT crane manufacturers in India for sourcing authentic parts and expert advice.
FAQs – People Also Ask
Q1. What are the main parts of an EOT crane?
The main parts include bridge girders, trolley, hoisting system, electric control panel, motors, wire rope drum, and safety limit switches.
Q2. What is the function of the DSL system in EOT cranes?
DSL (Down Shop Lead) provides continuous power supply to the crane’s moving components through insulated conductor bars.
Q3. How often should EOT crane parts be serviced?
Critical parts like brakes, hoist, and control panel should be inspected monthly, while wire ropes and gearboxes require lubrication every two weeks.
Q4. What is the difference between single and double girder EOT cranes?
Single girder cranes are ideal for lighter loads, while double girder cranes handle heavier loads and offer greater hook height.
Q5. Are EOT crane parts interchangeable across brands?
Not always. While some generic parts like wire ropes or brakes can be compatible, structural parts vary by brand and crane design.
