An EOT crane (Electric Overhead Traveling crane) is a crucial piece of equipment in industries that require the lifting and transporting of heavy loads. To understand how these cranes operate efficiently, it’s important to familiarize yourself with the key EOT crane parts names and their functions. Each part plays a vital role in ensuring that the crane performs smoothly, safely, and with precision. In this guide, we will explore the EOT crane parts in detail, providing you with a comprehensive understanding of how these cranes function.

Key EOT Crane Parts Name and Their Functions

1. Bridge

   • The bridge is the primary structural component of an EOT crane. It spans the width of the workspace and supports the hoist and trolley. Depending on the type of crane, the bridge may be single or double-girder.
   • Function: The bridge allows horizontal movement of the load across the length of the crane’s workspace.

2. Runway

   • The runway consists of rails or tracks along which the crane bridge moves. These are mounted on the building structure, either on the floor or ceiling.
   • Function: Provides the path for the crane bridge to travel longitudinally.

3. Hoist

   • The hoist is the mechanism responsible for lifting and lowering loads. It typically consists of a drum, wire rope, or chain, and an electric motor that powers the lifting process.
   • Function: The hoist performs the vertical movement of the load, making it one of the most critical parts of EOT crane.

4. Trolley

   • The trolley is a mobile platform that runs along the bridge and carries the hoist. It allows for side-to-side movement across the span of the bridge.
   • Function: Provides horizontal movement of the hoist, enabling the crane to reach different areas within the working span.

5. End Trucks

   • End trucks are located at both ends of the bridge. They house the wheels that run along the runway and allow the bridge to move across the rails.
   • Function: Facilitate the movement of the entire crane bridge along the runway system.

6. Wire Rope/Chain

   • The wire rope or chain connects the hoist to the load. Wire ropes are commonly used for heavy-duty tasks, while chains are used for lighter loads.
   • Function: These components transfer the lifting force from the hoist to the load, ensuring a secure and efficient lift.

7. Hooks

   • The hook is the device used to engage the load directly. Made of high-strength steel, it is designed to hold the weight securely.
   • Function: Attaches to the load, ensuring a safe and stable lifting process.

8. Electric Motor

   • The electric motor powers the movements of the hoist, trolley, and bridge. Motors are typically used in pairs for redundancy and reliability.
   • Function: Provides the necessary mechanical power to operate the crane, ensuring smooth and efficient operation.

9. Control Panel

   • The control panel houses the electrical systems that manage the crane’s operations. It typically includes relays, circuit breakers, and other safety devices.
   • Function: Allows operators to control the movements of the crane, adjust speed, and monitor the crane’s operation.

10. Pendant or Remote Control

    • Pendant control is a handheld device connected to the crane via a cable, allowing the operator to control the crane’s movements. Some systems also use wireless remote controls for better mobility and flexibility.
    • Function: Allows the operator to control the crane’s movement safely from a distance.

11. Brakes

    • Brakes are installed in various parts of the crane to ensure safe stopping of the hoist, trolley, and bridge during operations. Common brake types include disc brakes and electromagnetic brakes.
    • Function: Prevents unintended movement of the crane during lifting or while the crane is stationary.

12. Bumpers (End Stops)

    • Bumpers or end stops are safety devices installed at the ends of the runway and bridge rails. They absorb the impact of the crane and prevent it from running off the rails.
    • Function: Protect the crane and prevent accidents by stopping the crane from moving beyond its intended range.

13. Limit Switches

    • Limit switches are safety devices that automatically stop the crane when it reaches a certain position, preventing over-travel and potential accidents.
    • Function: Ensure safe operation by stopping the hoist, trolley, or bridge at preset points, such as the end of the runway or bridge.

14. Gearboxes

    • Gearboxes are responsible for reducing the speed of the electric motor and providing the required torque for lifting and movement operations.
    • Function: Transmit power from the motor to the crane’s mechanical systems for smooth operation.

15. Rail Sweepers

    • Rail sweepers are devices installed on the end trucks to clear debris from the crane rails, ensuring smooth and uninterrupted movement.
    • Function: Prevent obstructions on the runway, ensuring safe and efficient operation.

Importance of Understanding EOT Crane Parts

Understanding the various EOT crane parts names and their functions is essential for several reasons:

• Safety: Knowledge of the key parts of EOT crane ensures that operators and maintenance personnel are aware of potential risks and how to mitigate them.
• Efficiency: Proper understanding and maintenance of each component can significantly increase the crane’s operational efficiency.
• Troubleshooting: Identifying faulty or worn-out parts quickly allows for faster repairs and reduces downtime in manufacturing processes.