Eot Hot Cranes

EOT (Electric Overhead Travelling) heat treatment cranes are efficient and durable industrial lifting equipment widely used in industries such as steel, manufacturing, warehousing and power. These cranes are powered by electricity and run on fixed tracks, capable of safely and stably handling heavy materials. According to different operating requirements, EOT cranes can be divided into single-beam and double-beam types, with large load capacity, high-precision control, ruggedness and durability, and can be equipped with safety features such as variable frequency drive system, overload protection and emergency stop.

The advantages of EOT heat treatment cranes lie in their efficient material handling capabilities and designs that adapt to various complex working environments. Whether it is heavy manufacturing, steel processing, or operations in high temperature or explosion-proof environments, EOT cranes can provide reliable solutions. Its modular design supports customization and can be adjusted according to different plant structures and operating requirements, improving production efficiency and reducing labor costs, making it an important equipment in industrial production.

Core Components Engine, Motor, Gear

Place of Origin Henan, China

Warranty 1 year

Weight (KG) 1550 kg

Lifting Capacity 16 ton

Lifting mechanism Europe type hoist

Lifting speed 0.8/5m/min

Industrial voltage 380v50hz3p or customers' requirements

Control method Pendant+Remote(Customized)

Working duty A5

Working Temperature -25~+40℃

Application factory/warehouse logistics/freight yard

Color Customers' Requirements

1.Main beam

1)Robust Construction: Made of high-strength steel with reinforced welding to ensure durability and load-bearing capacity.
2)Design Variants: Available in single-girder (lighter loads, shorter spans) and double-girder (heavy-duty applications, larger lifting capacities).
3)Load Distribution & Stability: Designed to minimize deflection and vibration, ensuring smooth and precise lifting.
4)Customization: Tailored to specific operational needs, including span length, lifting capacity, and working environment.
5)Integrated Functionality: Supports the hoist, trolley, electrical components, and optional walkways for maintenance access.

2.Lifting System

1)Electric Hoist or Trolley Hoist – The main lifting device that moves along the main beam, equipped with a powerful motor and a wire rope or chain for lifting.
2)Lifting Motor – Provides the necessary power for hoisting operations, often controlled by a variable frequency drive (VFD) for smooth speed adjustments.
3)Wire Rope or Chain – Made of high-strength materials to ensure durability and safe load handling.
4)Drum & Pulley System – Helps in winding and unwinding the wire rope while maintaining proper tension and alignment.
5)Brake System – Includes electromagnetic or hydraulic brakes to ensure precise stopping and prevent accidental load drops.
6)Limit Switches & Safety Features – Equipped with overload protection, emergency stop, and height limit switches to enhance operational safety.

3.End carriage

1)Robust Construction – Made from high-strength steel with precision welding to ensure durability and load-bearing capacity.
2)Wheel Assembly – Equipped with hardened steel wheels that run on the runway rails, ensuring smooth and low-friction movement.
3)Drive System – Powered by motors and gearboxes, often with variable frequency drives (VFDs) for efficient and controlled travel.
4)Alignment & Stability – Designed for accurate rail alignment, reducing wear and extending service life.
5)Safety Features – Includes anti-collision devices, buffer stops, and limit switches to prevent over-travel and ensure safe operation.

4.Crane travelling mechanism

1)End Carriages – The support structures at both ends of the crane, housing the wheels and drive system.
2)Wheel Assemblies – High-strength steel wheels that run on the runway rails, designed for minimal friction and wear resistance.
3)Drive Motors – Electric motors, often equipped with Variable Frequency Drives (VFDs) for precise speed control and energy efficiency.
4)Gearbox & Coupling System – Transfers power from the motor to the wheels, ensuring synchronized and smooth motion.
5)Braking System – Electromagnetic or hydraulic brakes provide controlled stopping and prevent unintended movement.
6)Safety Features – Includes limit switches, anti-collision sensors, and emergency stop systems for safe operation.

5.Trolley travelling mechanism

1)Trolley Frame – The structure that holds the hoist and moves along the crane's main beam, ensuring proper load distribution and stability.
2)Trolley Wheels – High-strength steel wheels mounted on the trolley frame, which run along the main beam's rails for smooth and low-friction movement.
3)Drive Motor – An electric motor that powers the trolley, often equipped with Variable Frequency Drives (VFDs) for smooth speed control and energy efficiency.
4)Gearbox and Couplings – These components transfer power from the motor to the wheels, ensuring smooth and synchronized movement.
5)Brake System – Includes electromagnetic or mechanical brakes to control the trolley's movement and ensure precise stopping.
6)Safety Features – Features such as limit switches, anti-collision devices, and emergency stop systems to ensure safe operation and prevent accidents.

6.Crane wheel

1)Material & Construction – Typically made from high-quality steel or alloy, designed for durability and to withstand high stress and heavy loads. Some wheels may be hardened or have a toughened surface to resist wear and extend service life.
2)Wheel Design – The wheels have a tapered profile to ensure smooth rolling along the rails, with some designs featuring grooves for better rail alignment and stability.
3)Load Capacity – Designed to handle the entire weight of the crane and its load, distributing the weight evenly across the runway system to prevent damage and reduce wear on the rails.
4)Wheel Bearings – High-quality bearings or bushings are used to reduce friction and wear, allowing the crane to move with minimal resistance and smooth operation.
5)Alignment & Adjustment – The wheels are mounted with adjustable mechanisms to ensure proper alignment and to reduce rail wear. Misalignment is typically detected through regular maintenance.
6)Safety Features – Some crane wheels come with anti-wear and anti-corrosion coatings to ensure long service life, especially in harsh environments like high temperatures or corrosive conditions.

7.Crane Hook

1)Material & Strength – Made from high-strength forged steel or alloy materials to ensure the hook can handle heavy loads safely. It is often heat-treated for added strength and durability.
2)Design – Typically features a wide throat for easy attachment of lifting slings or chains. The hook is often self-locking or equipped with a latch to prevent accidental release of the load.
3)Load Capacity – Designed to support the rated load capacity of the crane, which can range from a few tons to over 100 tons, depending on the crane's specifications.
4)Safety Features – Many crane hooks come with latching mechanisms or locking devices to prevent unintentional detachment of the load. Some designs include safety pins or clips for additional security.
5)Durability – Built to withstand harsh working conditions, such as high temperatures in hot material handling environments, by using heat-resistant materials or special coatings.
6)Inspection & Maintenance – The crane hook is subject to regular inspections to ensure that there is no deformation, cracking, or wear that could compromise its performance.

8.Motor

1)Power Supply – Typically powered by three-phase AC electrical supply. The motor's power rating depends on the crane's load capacity and operational requirements.
2)Types of Motors –
Squirrel Cage Induction Motors: Common in most EOT cranes for their durability, efficiency, and low maintenance.
Wound Rotor Motors: Used for heavy-duty cranes where high starting torque is required.
3)Variable Frequency Drives (VFDs) – Often integrated with the motor to control speed and provide smooth acceleration and deceleration, improving energy efficiency and reducing mechanical stress.
4)Cooling System – The motor is typically equipped with a fan cooling system to prevent overheating, especially in environments where the crane handles high-temperature materials (like in steel mills or foundries).
5)Protection Features –
Overload Protection: To prevent motor damage during high load conditions.
Thermal Protection: Motor windings are protected from overheating by thermal sensors.
IP Rating: Motors often have a high Ingress Protection (IP) rating for dust and water resistance, ensuring long-term reliability in harsh industrial environments.
6)Durability & Reliability – Designed to operate under heavy load conditions and harsh environments, such as extreme temperatures, dust, or corrosive atmospheres. Motors in EOT cranes are built for high durability and are often used with abrasion-resistant coatings or enclosures for additional protection.

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9.Sound and light alarm system & limit switch

1)Sound and Light Alarm System
The Sound and Light Alarm System in an EOT (Electric Overhead Travelling) hot crane is an essential safety feature designed to warn operators and nearby personnel of potential hazards or operational issues. This system helps ensure the safe and efficient operation of the crane by providing audible and visual signals during various conditions.
2)Limit Switch
The limit switch is a critical safety component in an EOT crane, designed to prevent the crane's movement from exceeding preset limits, which could lead to damage or accidents. These switches help ensure that the crane operates within safe boundaries during both the lifting process and travel movements.

10.Safety Devices

1)Overload Protection
Overload Limit Switch: This safety feature automatically stops crane operation if the load exceeds the crane's rated capacity, preventing overloading that could cause structural damage or unsafe lifting.
Load Monitoring Systems: Continuously monitor the weight of the load to provide real-time data and prevent unsafe lifting conditions.
2)Limit Switches
Travel Limit Switches: These prevent the crane from traveling beyond its preset boundaries (e.g., stopping the crane from running off the rails) and protect the crane from mechanical damage.
Hoist Limit Switches: Prevent the hoist from over-raising or over-lowering the load, which can damage the crane or cause safety hazards.
3)Emergency Stop System
E-Stop Buttons: Located at various points on the crane and operator's station, these buttons allow for immediate stopping of the crane in case of emergency situations, cutting power to the motors and halting movement.
Emergency Brake System: This system engages in the event of a power failure, ensuring that the crane safely stops its motion without losing control.
3)Anti-Collision Devices
Collision Detection: These systems detect if the crane is at risk of colliding with obstacles or other cranes in the work area, providing an early warning and activating an automatic stop to prevent accidents.
Proximity Sensors: These sensors monitor the crane's position relative to other objects and trigger an alarm if the crane is moving too close to obstructions.
4)Sound and Light Alarm System
Warning Lights and Horns: Used to alert workers and operators when the crane is in motion, when there are overload conditions, or in the event of an emergency. Flashing lights and horns signal critical alerts to prevent accidents.
Operational Warnings: Indicate crane movements, lifting, and lowering operations, and notify workers when they need to clear the work area.
5)Safety Brakes
Hoist Brakes: These prevent the accidental lowering of the load and ensure it remains stable when the hoist system is stopped.
Travel Brakes: Used to stop the crane from moving when it reaches its destination or during an emergency.
6)Overheat Protection
Thermal Protection for Motors: Prevents overheating by automatically shutting down the crane's motor if it exceeds safe temperature limits, avoiding damage to the motor and reducing fire hazards.
Cooling Fans: Help maintain optimal temperature levels in the motor, particularly in hot environments such as steel mills.
7)Load Sway Control
Anti-Sway Systems: These systems help reduce the swinging of the load during travel, improving stability and ensuring more precise and controlled lifting operations.
8)Walkways and Guardrails
Operator Walkways: In some cranes, walkways and guardrails are provided for operators and maintenance personnel to safely access the crane's components, such as the hoist or main beam, for inspections or repairs.
9)Operator Safety Features
Cabin Safety Features: In cranes with operator cabins, safety features such as seat belts, safety glass, and ergonomic controls ensure the operator's comfort and protection during operation.
Control Systems: Advanced control systems that allow the operator to manage the crane remotely or through precise control mechanisms, minimizing the risk of human error.

11.Control Mode

1)Pendant Control
Description: This is the most common control mode, where the crane operator uses a pendant control station (a handheld remote) connected to the crane via a cable.Allows operators to work remotely from the crane, ensuring safety by staying out of the load's path.
2)Radio Remote Control
Description: This control mode uses wireless radio transmitters to control the crane. It provides the operator with even more flexibility, allowing them to move around freely while maintaining control over the crane.Enhanced flexibility and safety for operators, particularly in environments where staying near the crane is risky.
3)Cabin Control
Description: In this mode, the operator controls the crane from an operator cabin, which is mounted on the crane itself. This cabin can be located at the side of the crane or on the trolley. Ideal for heavy-duty or high-capacity cranes, providing more precise control, especially when lifting large or heavy loads. The operator is closer to the action, which can enhance control and reaction time.
4)Automatic Control
Description: This mode allows the crane to operate autonomously or semi-autonomously through preset programs or sensors.Improves consistency and reduces the chance of human error in repetitive tasks. Often used in environments like steel mills, where materials need to be moved continuously with high precision.
5)Combined Control (Mixed Control)
Description: A combination of multiple control modes that can be used depending on the situation.Maximizes operational efficiency and adaptability to various tasks, providing the best control method for different situations.

12.Sketch

Main technical

1.High Load Capacity
EOT hot cranes are built to handle heavy loads with ease. Their robust construction and powerful lifting mechanisms allow them to lift and move substantial weights, often ranging from a few tons to over 100 tons. This makes them ideal for handling large and heavy materials like steel billets, molten metal, or large machinery parts.
2.Durability and Reliability
These cranes are designed for long-lasting operation, even in extreme conditions. They are made with high-strength materials and often feature heat-resistant coatings and components to withstand high-temperature environments, such as in steel plants or foundries. Their durability ensures minimal downtime and reduced maintenance needs, which is crucial in industrial settings.
3.Precision and Control
EOT hot cranes offer high precision in lifting and positioning, especially when integrated with advanced control systems. The combination of variable frequency drives (VFDs), limit switches, and automatic control features allows operators to control the speed, acceleration, and positioning of the load with great accuracy, improving overall safety and efficiency.
4.Enhanced Safety Features
EOT cranes are equipped with various safety devices such as overload protection, limit switches, sound and light alarms, and anti-collision sensors to prevent accidents. These features ensure the safety of both the crane operator and other personnel working in the area, reducing the risk of accidents and enhancing overall safety during operation.
5.Energy Efficiency
The use of advanced drive systems, such as variable frequency drives (VFDs), helps to optimize energy usage by adjusting the crane's speed and power consumption according to the load requirements. This energy-efficient operation not only reduces operational costs but also minimizes wear and tear on mechanical components.
6.Versatility
EOT hot cranes can be adapted for various applications, from heavy lifting to precise positioning tasks. Their ability to be equipped with different types of hoists, trolleys, and control systems makes them versatile, suitable for a wide range of industries such as steel production, automotive manufacturing, paper mills, and more.
7.Improved Workflow and Productivity
With their ability to handle heavy and bulky loads quickly and efficiently, EOT hot cranes help streamline material handling processes. Their smooth and reliable operation minimizes downtime, speeds up production, and increases overall productivity in the facility.

1.Steel and Metal Industries
Steel Mills: EOT hot cranes are commonly used in steel mills to handle hot metal, billets, and steel coils. They are essential for lifting and moving materials between different stages of steel production, including the furnace, casting area, and rolling mill.
Foundries: In foundries, these cranes are used for handling molten metal, molds, and other heavy casting materials. The cranes' heat-resistant components make them perfect for these high-temperature environments.
2.Heavy Engineering and Manufacturing
Construction: In the construction industry, EOT hot cranes are used to lift and move heavy construction materials like steel beams, concrete panels, and machinery. They are ideal for use in large-scale construction sites or manufacturing facilities.
3.Power Plants and Nuclear Facilities
Power Plants: In thermal, nuclear, and hydroelectric power plants, EOT hot cranes are used for the transportation of heavy equipment, turbines, generators, and other machinery during installation, maintenance, and repairs.
4.Ports and Shipping
Cargo Handling: EOT hot cranes are used in ports for handling heavy and oversized cargo such as containers, steel, and large equipment, moving them across docks and onto ships. They are especially useful in areas where precision in positioning cargo is required.
Shipyards: Used in shipyards for lifting and moving large sections of ships, engines, and other heavy marine components.
5.Paper and Pulp Mills
Material Handling: EOT cranes are used to move large rolls of paper, pulp, and other materials through various stages of the production process. They are also used for lifting and stacking finished paper rolls.
6.Mining Industry
Material Handling: In mining, EOT cranes are used to handle and transport heavy materials such as ores, coal, and rocks. They also assist in moving large machinery and equipment to different areas of the mine.
Equipment Maintenance: These cranes are used to lift and transport heavy mining equipment during maintenance or repair operations.
7.Chemical and Petrochemical Industries
Chemical Processing: EOT hot cranes are used to handle large chemical containers, reactors, and other equipment in chemical and petrochemical plants. They are often required in high-temperature and hazardous environments where safety and precision are critical.
Tankers and Refineries: In refineries, these cranes are used to move heavy machinery, reactors, and storage tanks.
8.Wood and Timber Processing
Timber Handling: EOT cranes are used in lumber mills to handle large logs, heavy timber, and finished wooden products. They assist in transporting materials from one processing area to another.

1)Design and Engineering: Assessing customer requirements and creating a detailed design.
2)Material Procurement: Sourcing materials and purchasing necessary components.
3)Fabrication: Cutting, shaping, welding, and heat treatment of components.
4)Mechanical Assembly: Assembling the hoist, trolley, end carriage, and wheels.
5)Electrical and Control System Integration: Installing wiring, controls, and safety systems.
6)Testing and Quality Control: Load testing, performance checks, and safety system validation.
7)Painting and Finishing: Surface treatment, painting, and labeling.
Shipping and Installation: Delivering and installing the crane on-site.
8)Handover and After-Sales Support: Training and ongoing maintenance services.

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%.