80t Double Beam Gantry Crane With Wireless Remote Control

A double beam gantry crane with wireless remote control is a heavy-duty lifting solution designed for handling large and bulky loads in open yards, rail terminals, workshops, and industrial sites. Unlike single-girder models, the double-beam structure provides greater stability, higher load capacity, and extended span coverage, making it suitable for demanding lifting operations.

Equipped with a wireless remote control system, this crane allows operators to manage lifting, lowering, traveling, and positioning of loads from a safe distance. This not only improves operational safety by keeping personnel away from the load and crane movement but also enhances flexibility and efficiency in material handling.

With advanced features such as overload protection, emergency stop, and smooth start/stop functions, the crane ensures reliable performance and precise load control. The combination of a robust double-beam structure and modern wireless control technology makes it an ideal choice for industries such as shipbuilding, steel fabrication, logistics, construction, and heavy equipment manufacturing.

Core Components：Gearbox, Motor, Gear

Place of Origin：Henan, China

Warranty：2 years

Weight (KG)：100000 kg

Video outgoing-inspection：Provided

Machinery Test Report：Provided

Application：warehouse, ports, yard, etc

Keywords：Model Gantry Crane

Control way：Ground Handle Control(push Button)

Capacity：10-600t

Material：Q235B/Q345B

Lifting speed：1-15m/min

Lifting mechanism：Electric Winch Trolley

Girder Type：Double Box

Work Duty：A5-A6

1.Double Main Beams

The primary load-bearing structure of the crane.

Provides high strength, stability, and supports the trolley and hoist.

1) The main beam of a double beam gantry crane, also called the bridge beam or girder, is a primary structural component that spans across the crane's width. In a double beam gantry crane, two main beams are used, running parallel across the gantry's span. These beams are typically supported at each end by legs or support columns, which connect to the crane's wheels, allowing it to move along tracks on the ground.

The main beam supports the load and distributes the weight across the entire structure. It is engineered to handle heavy loads and resist bending and deformation.A trolley, which houses the hoisting mechanism, travels along the main beams. The double-beam design provides greater stability and allows for higher lifting capacities compared to a single-beam gantry crane.

Main beams are generally made from high-strength steel and may feature box or I-beam profiles, depending on the load requirements. They are often reinforced with additional materials to increase their strength and durability.The length and width of the main beams can be customized to meet specific operational needs, such as the size of the workspace or lifting capacity.For added stability, cross-ties or bracings are often placed between the two main beams. These reinforcements help reduce lateral movement and vibration during operation.

End Carriages / Legs

Vertical supporting structures that connect the main beams to the ground rails.

Equipped with wheels for smooth traveling along the track.

Trolley with Hoist

Moves along the double beams to position the hook and load precisely.

The hoist performs the lifting and lowering operations.

1) Motor: The lifting motor drives the hoist system, which is responsible for raising and lowering the load. The motor typically powers a drum or winch system that moves the wire rope or chain attached to the load.Control of Lifting Speed enables precise control over the lifting speed, which can be adjusted depending on the load and the operation's requirements.The motor helps in smoothly handling and positioning heavy loads by providing consistent torque to the hoist.

2) Reducer: In a double beam gantry crane system, the reducer (also known as the gearbox or gear reducer) plays a crucial role in converting the motor's high-speed, low-torque output into a low-speed, high-torque output suitable for the crane's lifting system. The reducer helps in controlling the speed and enhancing the mechanical efficiency of the system.

3) Drum: A cylindrical component that holds the hoist rope. The drum is typically powered by an electric motor and is responsible for winding and unwinding the rope as the crane operates.A steel wire rope that connects the load hook to the drum. As the drum rotates, the rope is wound or unwound, lifting or lowering the load.

4) Wire rope: The wire rope must have high tensile strength to support heavy loads without breaking. The material is typically made of steel, with strands of wire twisted together to form a strong, flexible rope.The rope's construction allows for flexibility, which is essential in preventing damage while the crane moves loads.

5) Pulley block: The pulley block contains one or more pulley wheels that guide the lifting cable or wire rope. These wheels help in redirecting the rope to achieve the necessary movement for lifting and lowering the load.The pulley block frame is designed to hold the pulleys in place while allowing the wire rope or cable to pass smoothly across the pulleys. The frame is usually robust and made from strong materials like steel to handle the high forces involved.The pulley block redirects the wire rope to increase mechanical advantage, allowing the crane to lift and move heavy loads. The rope is wound around the pulleys, and as the crane's motor moves the rope, the block facilitates the lifting of the load.

6) Lifting device: A lifting device in the lifting system of a Double Beam Gantry Crane refers to the mechanism responsible for raising and lowering the load. The crane's lifting system is a key component for transferring heavy loads in industrial environments, such as ports, warehouses, and construction sites. The lifting device is typically located on the trolley, which moves along the crane's beams.

3.End carriage

1) The end carriage of a double beam gantry crane is a critical component that supports the crane's structure and allows it to move along the rails. It essentially serves as the base for the crane's gantry system, facilitating lateral movement. In a double beam gantry crane, there are typically two main beams running along the length of the crane, supported by the end carriages on either side. The end carriages are positioned at each end of the crane and enable the crane to travel horizontally along a fixed track.

2) End carriages are typically made of heavy-duty steel to withstand the high loads and stresses exerted during crane operation.The carriages are equipped with wheels or rollers that allow the crane to move along the rail or track.The end carriage often contains the drive system (such as an electric motor, gearbox, and coupling) to propel the crane along the track.

3) The end carriage must ensure the gantry system remains aligned and stable, preventing any lateral or vertical movement that could affect performance and safety.Load Transfer supports the gantry crane's main beams and helps transfer the load from the crane's lifting mechanism to the track.In double beam gantry cranes, each end carriage supports two parallel girders, which helps distribute the load more evenly and allows for higher lifting capacities.

4.Traveling Mechanism

Motors, wheels, and drive systems located on the legs or carriages.

Enables the crane to move along the ground rails.

1) Working principle

The traveling motor drives the wheels/bogies on either side of the gantry crane. This motor is typically connected to a reduction gear mechanism to control the speed of the crane's movement and ensure smooth operation.As the motor turns, it drives the wheels, which then move the gantry crane along the rail track. The crane can be moved in one direction (usually along a fixed path), typically from one end of the structure to the other.The load is lifted and lowered by the hoisting mechanism mounted on the trolley. The crane traveling mechanism ensures that the trolley can move along the gantry's main beams, allowing it to position the load over a desired location.The traveling speed is adjustable through the motor's speed control system. This allows the crane operator to move the crane at different speeds, depending on the operational requirements.A braking mechanism is included to ensure controlled stopping of the crane. The brakes are typically applied when the crane reaches its destination or if a halt is needed for safety or operational reasons.

2) Functions of the crane operating mechanism

Horizontal Movement:The crane traveling mechanism allows the gantry crane to move horizontally along a rail track or surface, either across a workshop, storage yard, or other operational areas.This ensures that the crane can access various parts of the area, transporting loads efficiently across different locations.

Supports the Crane Structure: The traveling mechanism supports the entire structure of the crane, including the beams, hoists, and trolleys, as well as the load it carries.It ensures stability and proper alignment of the crane during movement, preventing unwanted sway or imbalance.

Precise Positioning: The traveling mechanism enables the precise positioning of the crane along its tracks, allowing it to stop at specific locations to load or unload materials.This precise movement ensures accurate operation, preventing errors in material handling and positioning.

Power Transmission: The traveling mechanism includes electric motors (or other power sources) that provide the necessary drive for the movement. These motors are connected to the wheels of the crane, which move along the tracks.The smooth transmission of power from the motors ensures efficient and reliable crane movement over long distances.

Speed Control: The crane traveling mechanism includes systems for controlling the speed of movement, allowing the operator to adjust how fast or slow the crane moves based on the load being handled and the complexity of the task.Speed control enhances safety and efficiency, ensuring that heavy loads are not moved too quickly, which could lead to instability.

Turning and Curved Movement: In some cases, the crane traveling mechanism allows the crane to move along curved or angled tracks, providing flexibility in navigating around obstacles or structures within the worksite.This enables the crane to reach otherwise inaccessible areas, improving operational flexibility and capacity.

Load Distribution: The traveling mechanism helps distribute the load evenly across the gantry's beams, ensuring that the structure remains balanced during movement. Even load distribution enhances the safety and stability of the crane, especially when carrying large or uneven loads.

Synchronized Motion: In a double beam gantry crane, both beams are driven simultaneously by the traveling mechanism, ensuring synchronized movement for stable operations.Synchronized motion reduces wear and tear on the crane's components, minimizes errors in positioning, and ensures smooth operation when lifting and moving heavy loads.

5.Trolley travelling mechanism

1) Structural composition

Drive System (Motors and Gearbox): The motors provide the power needed for the trolley to travel along the rails. These are typically AC or DC motors depending on the design requirements.The motor's output is connected to a gearbox that reduces the speed and increases the torque, allowing the trolley to move with the proper force and speed.Couplings link the motor to the gearbox and the gearbox to the drive wheels, transferring rotational motion.

Trolley Frame:The trolley frame is a robust structure that supports the hoist and other components. It is typically made of steel to withstand the stresses during operation. The frame has mounting points for the wheels, motor, and hoist.

Wheels and Rail Tracks:These wheels are mounted on the trolley frame and ride along the gantry rails. They are often made of steel and are designed to handle the weight and forces of the crane's operation.The crane moves along rails that are fixed to the gantry legs, providing a guide path for the trolley wheels. The rails are mounted on either side of the crane's gantry structure.

Wheel Axles and Bearings:The travel wheels are mounted on axles, which are in turn supported by bearings. The bearings allow for smooth rotation of the wheels, reducing friction and wear during operation.

2) Function of the trolley operating mechanism

Horizontal Movement: The primary function of the trolley traveling mechanism is to enable horizontal movement of the trolley along the crane's beam. This movement is typically controlled by motors and wheels that travel along a fixed rail or track mounted on the top of the crane.

Load Handling: By moving the trolley horizontally, the crane can position the hoist (attached to the trolley) over the required load. The hoist can then lift, lower, or move the load within the crane's work area.

Precise Positioning: The mechanism allows for precise control of the trolley's position, which is essential for accurate load placement, especially in applications where fine movement is critical (e.g., in warehouses, shipping yards, or factories).

Smooth Movement: The trolley traveling mechanism typically uses geared motors or winches to provide smooth and controlled movement along the beams, ensuring that the load is handled gently, reducing the risk of swinging or jerking that could cause accidents or damage.

Speed Control: The mechanism is designed to control the speed of the trolley's travel, which can be adjusted depending on the operational needs. The speed is typically controlled by the motor and frequency drive systems, ensuring that the crane operates efficiently and safely.

Supporting Load Distribution: The traveling mechanism ensures that the weight of the trolley and the load is evenly distributed across the beams to prevent overloading or stress on any single section of the crane. This is vital for maintaining the structural integrity of the crane.

6.Crane wheel

A crane wheel is a key component of a double beam gantry crane, which is a type of industrial crane used for lifting heavy loads in outdoor or large warehouse environments. The crane wheel is mounted on the gantry structure and allows the entire crane to move along a rail track, facilitating lateral movement.

In a double beam gantry crane, there are typically two parallel beams (main girders), supported by end carriages that move along a set of rails. The wheels are mounted on the end carriages and are responsible for supporting the weight of the crane while ensuring smooth movement.

Crane wheels are usually made from high-strength steel or cast iron, designed to withstand heavy loads and harsh working conditions.The wheels are typically V-shaped or flange wheels, which fit into the rails, ensuring precise guidance and minimizing lateral movement during crane travel.

7.Crane Hook

1) The crane hook of a double beam gantry crane plays a crucial role in the crane's lifting and handling system. It's designed to support and carry heavy loads safely and efficiently.The crane hook are typically made from high-strength steel or alloy materials to ensure durability and resistance to wear and tear.The crane hook usually has a "C" or "S" shape, designed to securely hold lifting slings or chains. The design minimizes the risk of the load slipping.The size of the hook is matched to the lifting capacity and the type of load it needs to handle.

2) The crane hook is connected to the hoist mechanism and is used to raise or lower the load. For a double beam gantry crane, the hook will be positioned at the center of the hoist trolley, which travels along the gantry structure.The hook is used in conjunction with various rigging equipment like slings, chains, or shackles to lift the load.The hook's design ensures it can carry the crane's maximum rated load. Double beam gantry cranes, due to their robust construction, can carry significantly heavier loads.

Motor

1) The motor of a double beam gantry crane is a crucial component, responsible for driving the crane's movement along its rails, as well as the hoisting and lowering of loads. Each motor in a double beam gantry crane works in tandem with others to ensure smooth, accurate, and safe operation across all crane movements.

2) Hoist Motor: Controls the lifting mechanism, responsible for raising and lowering loads.Travel Motor: Controls the horizontal movement along the gantry rails, moving the crane along the length of the working area.Trolley Motor: Moves the trolley along the beams for precise load positioning.

3) Most modern double beam gantry cranes use AC induction motors due to their efficiency and reliability.DC motors can also be used, but they are less common and mainly found in older systems.Variable Speed Drives are often integrated, providing better control over acceleration and deceleration, reducing mechanical wear.

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Sound and light alarm system & limit switch

1) Sound and light alarm system

The sound and light alarm system usually includes sound alarms and flashing lights, which are mainly used to send warning signals during the operation of the crane to improve the safety of operation.

Audible Alarm (Sound): Typically a siren, buzzer, or horn that emits a loud noise. Different sound patterns or frequencies can indicate different crane actions, like movement or load hoisting.

Visual Alarm (Light): Usually a flashing or rotating beacon light. Colors like red or amber are common, as they signal caution. The light may intensify or change pattern to signify specific operations.

Purpose of the Alarm System: The system provides a clear audible and visual signal to notify personnel of crane movements, such as lifting, lowering, or traversing loads.Alerts reduce the chance of accidents by warning anyone in the area to stay clear, especially when the crane is in operation.

2) Limit switch

A limit switch in a Double Beam Gantry Crane is a safety device used to control and restrict the movement of the crane, ensuring it operates within safe and predetermined limits.

Upper and Lower Limit Switches: Often used in the hoist mechanism, these limit switches prevent the hook from rising too high or descending too low.

Travel Limit Switches: Installed on the trolley or bridge, they restrict horizontal movement along the gantry's beams to avoid over-travel.

Overload Limit Switch: Some gantry cranes also include overload limit switches that detect when the crane is lifting a load beyond its safe working load capacity, shutting down operations to avoid strain on the crane's structure.

Functions of a Limit Switch in Gantry Cranes: Limit switches prevent the crane's hoist, trolley, or bridge from traveling too far in any direction, avoiding potential impacts with the crane's physical structure or other objects in the crane's workspace.

10.Safety Devices

Overload Limiter:Protects the crane from lifting loads beyond its rated capacity. It sends alerts or stops the crane operation if the load exceeds the limit.

Anti-Collision System:Prevents collisions between cranes operating in the same area. This system uses sensors to detect the proximity of nearby cranes or objects and halts movement if a collision risk is detected.

Limit Switches:Installed to restrict the movement of the crane or trolley within defined boundaries, such as end limits for hoisting, lowering, or traveling to avoid over-traveling.

Emergency Stop Button:Allows operators to immediately halt all crane operations in case of emergencies. These buttons are positioned in accessible areas for quick response.

Wind Speed Anemometer:Measures wind speed to avoid operating in unsafe conditions, particularly for outdoor cranes. When wind speeds exceed safe limits, an alert is sent to the operator, and the crane can be safely locked down.

Buffer (Shock Absorber):Installed at the ends of the crane tracks, buffers absorb shock if the crane trolley or bridge reaches its limits suddenly, reducing impact and preventing damage.

Overheating Protection:Protects electrical components like motors by shutting down or alerting operators if components overheat, which can otherwise lead to equipment failure or fires.

Anti-Sway System:Helps stabilize the load during lifting and moving, reducing swing and ensuring safer load control. This system is critical for precision handling and to prevent load swings that could lead to accidents.

Rail Clamp or Rail Brake:Prevents the crane from moving unexpectedly when stationary, especially important in windy outdoor conditions. It secures the crane to its rails, ensuring stability.

Emergency Power Off:A backup power shut-off system that isolates the crane from power in case of emergencies, ensuring that no electrical currents are flowing through the crane.

11.Control Mode

1) Manual Control Mode：Control Method: Operators use a wired or wireless remote control or control cabin to manually guide the crane's movements.Useful in situations where precise positioning is required, such as during loading or unloading. This method allows the operator to have a close visual inspection and control over the crane.The Benefits are high precision, direct operator control, can quickly adjust to changes or unforeseen circumstances.

2) Semi-Automatic Control Mode: The operator oversees the crane's movement but can automate certain repetitive motions like traveling between predefined points or lifting/lowering at specific locations.Common in settings where certain motions are repetitive but still require some degree of manual adjustment or oversight, such as in warehouses or small container yards.The Benefits are reduces operator fatigue and increases efficiency for repetitive tasks; maintains flexibility for adjustments.

3) Automatic Control Mode: Predefined programs control the crane's movements, typically using sensors and software to manage navigation, load positioning, and pathfinding.Ideal for environments where high precision and consistency are required, such as large container ports or fully automated warehouses.The Benefits are high efficiency and safety for repetitive, large-scale operations; minimizes human error.

12.Sketch

Main technical

Advantages of Double Beam Gantry Crane with Wireless Remote Control

High Load Capacity & Stability

The double-beam design offers greater strength and rigidity, allowing the crane to lift heavier loads with minimal deflection.

Enhanced Safety with Wireless Remote Control

Operators can control the crane from a safe distance, avoiding direct exposure to heavy loads or hazardous areas.

Emergency stop functions improve operational safety.

Improved Operational Efficiency

Wireless control provides flexible positioning and faster handling compared to wired pendant controls.

Reduces downtime and increases productivity in busy work environments.

Wide Working Range

The crane can cover large spans and working areas, making it suitable for heavy industries, outdoor yards, and workshops.

Precision in Load Handling

Smooth start/stop technology and variable speed control allow accurate load positioning.

Reduced Labor Intensity

Remote operation minimizes the need for multiple ground personnel, lowering labor costs and risks.

Adaptability to Harsh Environments

Suitable for indoor and outdoor applications, including shipyards, steel plants, and construction sites.

Lower Maintenance & Longer Service Life

Strong double girder design, durable hoist, and reliable electrical components ensure long-lasting performance.

Applications of Double Beam Gantry Crane with Wireless Remote Control

Shipyards & Ports

Handling ship components, heavy steel plates, and containers.

Ideal for lifting oversized loads that require wide span coverage.

Steel and Metal Fabrication Plants

Transporting large steel beams, coils, and heavy metal structures.

Supports precision positioning for welding, assembly, and processing.

Construction Sites

Lifting and moving heavy building materials such as concrete blocks, beams, and prefabricated sections.

Railway and Road Projects

Used for bridge construction, rail track assembly, and handling large infrastructure components.

Heavy Equipment Manufacturing

Moving bulky machinery parts, engines, and industrial equipment during assembly or repair.

Logistics and Storage Yards

Loading and unloading cargo, containers, and oversized goods.

Efficient for large outdoor stockyards requiring frequent heavy lifting.

Power Plants and Energy Sector

Handling turbines, generators, and other heavy power plant equipment.

Widely used in wind, hydro, and thermal power projects.

Mining and Material Handling

Transporting raw materials, mining machinery, and large structural parts.

Design stage: Understand the specific needs of customers, including load-bearing capacity, span, height and use environment. Carry out preliminary design according to the needs and draw scheme drawings, including structural design, power system and control system design. Carry out structural strength, stability and dynamic analysis to ensure that the design meets relevant standards and specifications.

Material preparation: Select suitable materials according to design requirements, such as high-strength steel, aluminum alloy, etc., to ensure good mechanical properties and durability. Purchase the required raw materials and components according to the design drawings, including motors, reducers, hooks, control systems, etc.

Processing and manufacturing: Cut the steel and process the main beam, end beam and other structural parts according to the design dimensions. Connect the cut parts by welding to form the main structural frame of the crane. Finish the welded components, including drilling, turning and milling, to ensure the matching accuracy of each component.

Assembly: Preliminary assembly of the processed components to check the stability and matching of the structure. Install the lifting mechanism, trolley running mechanism and trolley running mechanism to ensure that all moving parts can run smoothly.

Electrical system installation: Install motors, inverters, control panels and other electrical components to ensure that the electrical system is connected correctly. Arrange the cable lines reasonably to ensure safety and beauty, and reduce interference and wear.

Commissioning and testing: Test the various functions of the crane, including lifting, moving, braking and alarm systems, to ensure that all functions are normal. Carry out safe load tests to ensure that the crane operates stably under maximum load and meets safety standards.

Inspection and quality control: Carry out quality inspections on each link of production to ensure that all components meet design and standard requirements. Carry out qualification certification according to relevant regulations to ensure that the equipment meets national and industry standards.

Delivery and installation: Transport the manufactured crane to the customer site. Install it at the customer site, including fixing the foundation, commissioning and connecting the power supply. Provide operation training to customers to ensure that they can use the equipment safely and effectively, and officially deliver it for use.

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%.