QE Double Trolley Overhead Crane for Sale5~200 Ton

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QE Double Trolley Overhead Crane, with a capacity of 5–200 tons, is ideal for lifting long materials in industrial settings.

QE Double Trolley Overhead Crane for Sale5~200 Ton

Product Type:	QE Double Trolley Overhead Cra
Lifting Capacity:	5~200 Ton
Span:	10.5~31.5m
Lifting Height:	6~30m
Working Class:	A5, A6
Ambient Temperature:	-20~40℃
Crane Price Rangs	More Inquiry Form
$14,000 – $90,000 Note: Price depends on dual trolley configuration, synchronization requirements, and lifting capacity. Contact us to get the latest price.
	[email protected] 008615038346929

Double Trolley Overhead Crane – Handle Heavy & Long Materials Efficiently

Optimized for steel mills, pipe yards, warehouses, and machinery assembly.

Our double trolley overhead crane is designed to make heavy and long material handling smoother and more reliable. Whether you're moving steel beams, pipes, or large machinery components, this crane provides the strength and flexibility you need. It's not just about lifting weight; it's about lifting it safely and efficiently.

Dual Trolley System: Lift two loads at once or handle long materials evenly across the span.
Flexible Operation: Independently or simultaneously operate trolleys to match your workflow.
Durable Construction: Built with high-strength steel for continuous heavy-duty industrial use.
Custom Layout Options: Adaptable to your workshop size, overhead space, and material dimensions.

The QE Double Trolley Overhead Crane, with a lifting capacity ranging from 5 to 200 tons, is designed to meet the diverse needs of various industrial applications. This type of crane features two independent trolleys, allowing for efficient handling of long and heavy materials such as steel beams, pipes, and large coils. The ability to operate both trolleys simultaneously or separately enhances flexibility and operational efficiency, making it an ideal choice for workshops and open warehouses.

Choosing the right crane is crucial for any industrial operation. An appropriate crane not only increases productivity but also ensures safety during lifting tasks. Factors such as load capacity, span length, and lifting height must align with the specific requirements of the materials being handled. A well-selected crane can minimize downtime, reduce the risk of accidents, and enhance overall workflow. Investing in a Double Trolley Overhead Crane can lead to improved efficiency and reliability in material handling processes, ultimately supporting the success of your operations.

Technical Specifications

The Double Trolley Overhead Crane is a robust lifting solution designed to handle heavy loads efficiently. This crane is equipped with two trolleys that can operate either simultaneously or independently, offering versatility for various lifting tasks. This feature is particularly beneficial in environments where long materials—such as wood, paper tubes, pipes, and bars—need to be maneuvered safely and effectively. Whether used in workshops or open warehouses, this crane enhances productivity and ensures smooth material handling.

Lifting Capacity: The crane is capable of lifting loads ranging from 5 to 200 tons, making it suitable for both light and heavy-duty applications.
Span Length: With a span length of 10.5 to 31.5 meters, it can cover a wide area, accommodating various workspace layouts.
Lifting Height: The crane offers a lifting height between 6 and 30 meters, allowing for efficient handling of tall loads or materials stacked at height.
Working Class: Designed for demanding environments, it operates within working classes A5 and A6, ensuring reliability under regular use.
Ambient Temperature: The crane functions optimally in temperatures ranging from -20 to 40°C, making it suitable for diverse industrial settings.

This combination of features makes the Double Trolley Overhead Crane an ideal choice for industries that require safe, efficient, and flexible lifting solutions.

Technical Parameters

Model			QE type
Lifting capacity			t	5+5	10+10	16+16
Max. lifting height			m	16
Span			m	10.5-31.5
Lifting speed		A5		11.3	8.5	7.9
Lifting speed		A6		15.6	13.2	10.7
Traveling speed	Trolley	A5		37.2	43.8	44.6
	Crane	A5		90.7(91.9,84.7)	84.7 (87.6)	87.6(74.2,74.6)
	Crane	A6		92.7(93.7,86.5)	76(89)	89(75.3)
Power			3P 380V 50Hz or others

Key Features & Benefits

Our double trolley overhead cranes are engineered to provide maximum efficiency, safety, and flexibility for industrial lifting operations. Each feature has been designed with practical applications in steel mills, warehouses, fabrication plants, and assembly lines in mind.

Our cranes feature dual trolleys, allowing operators to lift long materials or multiple loads with precision. This system improves workflow efficiency while keeping heavy loads balanced and safe.

Simultaneous lifting of long steel beams or slabs reduces the number of trips needed in fabrication shops.
Independent trolley operation enables handling of multiple smaller items, like pipes or machinery components, without interrupting other processes.
Ideal for warehouses, steel mills, and assembly lines where load variety and length require flexibility.

Constructed with reinforced steel, the main girder and end trucks ensure durability and stability for heavy-duty operations.

Supports long or unevenly loaded materials in industrial workshops without sagging or bending.
Reduces maintenance and improves lifespan, even under high-frequency lifting in steel mills or pipe yards.
Designed to handle both indoor and outdoor conditions, including dusty or slightly corrosive environments.

Operators can choose the control method that best fits their workflow, safety requirements, and operational space.

Pendant controls allow floor-level operation and direct load visibility in workshops and yards.
Cabin controls provide full visibility for long-span operations and complex handling tasks.
Remote controls enhance safety in hazardous areas or during lifting of oversized materials.

Built-in safety features protect both operators and materials, ensuring reliable performance in daily operations.

Overload protection prevents lifting beyond rated capacity, avoiding accidents and equipment damage.
Limit switches control travel and lifting limits, reducing the risk of collisions with structures or obstacles.
Optional extras, like anti-sway or anti-collision systems, enhance safety in busy workshops or storage yards.

Our cranes meet international standards for quality and safety, giving buyers confidence in long-term reliability.

CE certification ensures compliance with European safety standards for industrial cranes.
ISO certification confirms consistent manufacturing quality and structural integrity.
Third-party inspections can be arranged to verify performance in demanding applications, such as steel fabrication or heavy machinery assembly.

Components and Their Functions

Main Girder: The main girder features a strong box type design reinforced with plates for added durability. Constructed from high-quality carbon steel (Q235B, Q345B), it ensures stability and strength, enabling the crane to handle substantial loads with confidence.
End Carriage: The end carriage is built from rectangular tube construction, ensuring a robust and reliable framework. Equipped with a butter motor drive and roller bearings, it facilitates smooth movement along the rails, enhancing overall operational efficiency.
Double Trolleys: Designed for high capacity, the double trolleys enable accurate and smooth lifting of various materials. Their performance is tailored for both simultaneous and independent operation, making them versatile for different lifting scenarios.
Wheels and Hook Block: The crane is fitted with high-quality forged or cast wheels, providing excellent durability and performance. The hook block features 360-degree rotating hooks, offering flexibility in lifting operations and accommodating various load types.
Control Options: Operators can choose from multiple control options, including pendant control, remote control, and cabin control. This variety allows for tailored operation according to the specific needs of the task and the working environment.
Cabin Design: The crane’s cabin comes in both open and closed models, providing flexibility based on operational requirements. Customizable entrance orientations allow for convenient access and user comfort, enhancing the overall usability of the crane.

Why Choose Double Trolley Cranes?

Double trolley overhead cranes are designed to handle long and heavy materials more efficiently than single trolley systems. They give you the ability to lift large loads with better balance, reduce handling time, and adapt to a variety of industrial workflows. Whether it's steel beams, pipes, or slabs, these cranes are built to perform day in and day out without compromise.

Simultaneous or Independent Dual Load Handling: Operate both trolleys together for very long materials or separately for multiple smaller loads. This flexibility makes scheduling and handling much easier in busy workshops.
Perfect for Long Materials: Ideal for steel beams, pipes, slabs, and other oversized items that are difficult to lift with a single trolley crane.
Increased Productivity & Operational Flexibility: Reduces the number of lifts needed, improves workflow efficiency, and allows precise positioning of materials in tight spaces.
Rugged, Durable Design: Built with high-strength steel and reinforced end trucks, ensuring long-term reliability even in heavy-duty industrial environments.

Dual Trolley vs Single Trolley Comparison

When lifting long or heavy materials, the choice between a single trolley and a double trolley overhead crane can significantly affect safety, efficiency, and workflow. Dual trolley cranes allow operators to handle oversized loads more effectively, reducing sagging or damage while improving positioning precision.

Single trolley cranes are limited to lifting one load at a time, which can slow down production when handling multiple items. Dual trolley systems offer much higher flexibility, allowing two loads to be lifted independently or simultaneously.

Handle different weights and sizes at the same time without rearranging material.
Ideal for workshops managing a mix of steel beams, slabs, or machinery components.
Reduces unnecessary downtime when moving multiple items across the same span.

Long steel beams, pipes, and structural components are difficult to lift evenly with a single trolley. Dual trolley cranes excel in distributing weight across the span, preventing bending and improving control.

Supports long items in steel mills, pipe yards, and fabrication plants.
Allows precise positioning on assembly lines or storage racks without extra manpower.
Reduces stress on crane hooks and hoists, extending equipment life.

Single trolley cranes cannot perform simultaneous lifts, which limits operational efficiency. Double trolley cranes allow both trolleys to lift separately or together, enabling more complex handling tasks.

Lift two materials at the same time in warehouses or manufacturing floors.
Useful for staging multiple steel plates or beams before assembly.
Helps meet tight project deadlines by reducing the number of lifts required.

Overall productivity is noticeably higher with dual trolley cranes. They reduce handling steps, allow better load distribution, and minimize the need for repositioning items, keeping workflows smooth and safe.

Improves daily throughput in high-volume steel or fabrication operations.
Supports faster material placement for construction or assembly projects.
Reduces operator fatigue and potential for errors, increasing overall efficiency.

Feature	Single Trolley	Double Trolley
Load Flexibility	Low	High
Long Material Handling	Limited	Excellent
Simultaneous Lifts	No	Yes
Productivity	Standard	Higher

Optional Features & Customization

Our double trolley cranes can be tailored with optional features to match specific industrial needs, workflow requirements, and safety standards. From control systems to environmental adaptations, each option enhances efficiency and reliability.

Choosing the right control method ensures safe and efficient crane operation for your specific workflow. Dual trolley cranes can be equipped with cabin controls, pendant controls, or wireless remote controls, giving operators flexibility and precision.

Cabin controls are ideal for workshops with long spans or high ceilings, allowing a clear view of the load and better maneuverability.
Pendant controls suit floor-level operations where the operator needs to walk alongside the load for precision placement.
Remote controls enable the operator to manage lifts from a safe distance, especially useful in hazardous environments like steel mills or chemical yards.

Frequency inverters improve lifting and traveling performance, reducing mechanical stress and making operations smoother. This helps extend crane lifespan and protects sensitive or long materials during handling.

Prevents sudden jerks that could damage long beams or pipes during lifting or positioning.
Supports precise load placement in assembly areas or tight storage yards.
Reduces wear and tear on motors, brakes, and gears, lowering maintenance costs.

For industrial environments with flammable gases, dust, or extreme temperatures, specialized crane configurations ensure safety and compliance. Explosion-proof or heat-resistant models protect both personnel and equipment.

Explosion-proof cranes are suitable for chemical plants, refineries, or grain processing facilities.
High-temperature versions can operate in steel mills, foundries, or near furnaces without risk of equipment failure.
Custom designs ensure compliance with local safety standards while maintaining lifting performance.

Safety devices are critical for protecting both the crane and its operators. Overload protection systems prevent lifting beyond rated capacity, while limit switches and emergency brakes ensure reliable operation.

Prevents accidents caused by human error or unexpected load shifts in busy workshops.
Limit switches stop the crane at predefined heights or travel limits, avoiding collisions or damage.
Overload alarms and emergency stops provide an extra layer of protection for high-value loads like steel beams or machinery components.

Safety Considerations

Maintaining a safe working environment is essential when operating double trolley overhead cranes. Proper safety devices, rated capacity adherence, and operator training can prevent accidents and protect equipment.

Implementing collision prevention devices is vital to enhance safety during the operation of the Double Trolley Overhead Crane. These devices detect potential collisions between the trolleys and take corrective action automatically.

Functionality: Sensors monitor the distance between trolleys and adjust their movements to prevent contact.
Benefits: Reduces wear and tear on crane components, prolongs equipment life, and minimizes repair costs.
Training: Operators should be trained on device usage and importance to ensure safe, effective operation.

Ensuring compliance with the crane's rated capacity is crucial for safe lifting operations. Exceeding the rated limits can cause mechanical failures or serious accidents.

Load Monitoring: Verify weights before lifting using load cells or scales to ensure the total load is within safe limits.
Operational Limits: Adhere to the specified lifting capacity (5–200 tons) according to crane configuration and setup.
Regular Inspections: Routine checks of crane components help identify wear or damage that could affect safe load handling.

Installation and Maintenance

Proper installation and ongoing maintenance are crucial to ensure the safety, performance, and longevity of Double Trolley Overhead Cranes. Following professional guidance and scheduled checks keeps operations smooth and reduces costly downtime.

Proper installation of the Double Trolley Overhead Crane is critical to its performance and safety.

Expertise: Trained professionals handle complex installation procedures, reducing the risk of errors that could compromise safety or equipment integrity.
Compliance with Regulations: Professional installers ensure adherence to local safety standards and legal requirements.
Optimal Performance: A correctly installed crane operates efficiently, maximizing lifting capacity and longevity.

Operators should conduct daily inspections to detect visible wear or issues before they escalate.

Trolley and Wheel Condition: Inspect for misalignment, wear, or damage that may affect smooth travel.
Hoist Mechanism: Ensure smooth operation and listen for unusual noises that may indicate problems.

More thorough checks are recommended monthly to maintain crane reliability and prevent unexpected downtime.

Lubrication of Moving Parts: Wheels, trolleys, and hoists should be lubricated regularly for smooth operation.
Electrical System Inspection: Check all wiring and components for wear, damage, or loose connections.

Schedule comprehensive inspections by qualified technicians at least once a year to ensure full operational safety.

Structural Integrity: Assess main girders, end trucks, and supporting structures for corrosion, fatigue, or other damage.
Load Testing: Confirm that the crane operates safely within its rated capacity, verifying both lifting and traveling functions.

Double Trolley Overhead Crane for long obejcts handling

Applications & Industry Use

Double trolley overhead cranes provide versatile lifting solutions across multiple industries, enabling safe and efficient handling of heavy and long materials. Their dual trolley system allows simultaneous or independent operation, making workflow smoother in complex industrial environments.

Ideal for moving heavy steel plates, beams, and fabricated components safely and efficiently.

Simultaneous lifting of multiple slabs or beams reduces handling time on busy production floors.
Provides precise control for large or unwieldy materials, reducing material sag and potential damage.
Handles high-temperature, dusty, or otherwise challenging steel mill environments.
Adaptable to various workshop spans and overhead clearance requirements for both new and retrofitted facilities.

Perfect for industries handling long pipes, tubes, and structural profiles, ensuring balanced lifting and precise placement.

Lift long steel, aluminum, or composite pipes without bending or risk of damage.
Independent or simultaneous trolley operation accommodates irregular-length materials.
Safe loading and unloading from trucks or railcars in industrial yards.
Streamlines staging for fabrication or construction projects, helping maintain tight schedules.

Provides the stability and control necessary for accurately positioning large machinery components.

Lift and align heavy parts, such as engines, presses, or turbines, without strain on operators.
Coordinated movement of long or awkward components across assembly bays.
Supports modular assembly lines for precise part alignment before installation.
Reduces downtime by streamlining material handling between fabrication and assembly stations.

Simplifies moving oversized materials and organizing inventory in warehouses or outdoor storage yards.

Handles long steel bars, timber, or structural components efficiently in storage areas.
Facilitates safe loading/unloading from trucks, flatbeds, or shipping containers.
Supports stacking and staging of large or awkwardly shaped items.
Improves workflow in logistics yards, reducing congestion and handling delays.

FAQ – Double Trolley Overhead Cranes

A: The ideal span and lifting height depend on your building layout and the size of materials you handle.

Long spans up to 35 meters are common for steel fabrication plants; smaller warehouses may require 10–15 meters.
Lifting height should accommodate overhead obstacles, storage racks, or assembly lines for long beams or machinery parts.
Custom engineering ensures the crane fits existing runway beams and factory ceilings safely.

A: Yes, dual trolley cranes allow each trolley to move separately or simultaneously depending on your operation needs.

Useful in yards or warehouses where one trolley lifts pipes while the other moves steel slabs.
Enables precise placement of long materials without sagging or twisting.
Supports simultaneous workflow, reducing the number of lifts required.

A: They can lift steel beams, slabs, pipes, machinery components, and other long or heavy materials.

Supports long, unwieldy items in fabrication plants or assembly workshops.
Handles unevenly weighted loads safely with dual trolley balance.
Adjustable lifting speed and trolley spacing ensure smooth material positioning.

A: Dual trolley cranes may use more power, but modern designs with frequency inverters reduce energy spikes.

Variable frequency drives allow smooth start/stop, reducing electricity consumption and mechanical wear.
Energy usage depends on load weight, lifting frequency, and span of operation.
Optimized crane layouts in large workshops or yards can minimize unnecessary trolley movement.

A: Yes, cranes can be tailored to fit specific runway spans, low ceilings, or constrained industrial yards.

Optional low headroom or compact double trolley designs help in workshops with height limitations.
Customized trolley spacing allows handling of very long materials in narrow spaces.
Supports integration with existing cranes, conveyors, or storage systems.

A: CE and ISO certifications are standard, and third-party inspection reports are available on request.

CE ensures compliance with European safety standards for industrial cranes.
ISO confirms consistent quality in manufacturing and structural integrity.
Additional factory acceptance tests can verify performance for heavy-duty applications.

A: Dual trolleys provide superior balance and flexibility, especially for long or unevenly loaded materials.

Single trolley cranes may require multiple lifts for the same load, slowing operations.
Dual trolleys reduce stress on materials, hoists, and hooks, improving safety and efficiency.
Simultaneous or independent operation allows faster workflow in steel mills, pipe yards, or warehouses.

A: Prices vary based on capacity, span, lifting height, and optional features.

Smaller dual trolley cranes for 5–20 tons may start at a moderate industrial budget; large 100–200 ton cranes require significant investment.
Optional features like explosion-proof hoists, frequency inverters, and custom layouts will increase cost.
Investing in a well-engineered crane can reduce long-term maintenance and downtime costs.

A: Provide detailed facility drawings, load specifications, and operational requirements when requesting a quote.

Include runway beam dimensions, ceiling height, and typical load types for accurate design.
Specify lifting frequency, maximum load weight, and material lengths for dual trolley optimization.
Consulting with crane engineers helps avoid oversizing or underutilization, saving costs.

A: Standard cranes include overload protection, limit switches, and emergency stops, with optional extras available.

Overload alarms prevent lifting beyond rated capacity, protecting both crane and materials.
Optional anti-collision systems, infrared sensors, and anti-sway controls improve safety in busy workshops.
Safety features can be tailored for hazardous zones, outdoor yards, or steel mill environments.

Contact us to Get Your Customized Double Trolley Overhead Cranes

The Double Trolley Overhead Crane offers a range of advantages that make it an essential tool for various industrial applications. With its robust design and versatility, this crane is capable of lifting substantial loads—from 5 to 200 tons—over spans of 10.5 to 31.5 meters. Its dual trolley system allows for simultaneous or independent operation, enhancing productivity when handling long materials such as wood, pipes, and bars.

Key Highlights Include:

Heavy Duty Capacity: Engineered for significant lifting capabilities, suitable for demanding environments.
Smooth Operation: Designed for ease of use, ensuring comfortable operation and precise load handling.
Customizable Options: Tailored to meet specific operational needs, enhancing functionality.

Safety remains a top priority when operating the Double Trolley Overhead Crane. Features such as collision prevention devices and adherence to rated capacity ensure a safe working environment. Regular maintenance and professional installation further contribute to operational safety and efficiency, minimizing downtime and maximizing productivity.

Choosing the right support and service is equally important. Professional installation and ongoing maintenance by experienced technicians ensure that the crane operates at peak performance. By investing in a Double Trolley Overhead Crane, businesses can enhance their operational capabilities while maintaining a strong focus on safety and efficiency.