Double Trolley Electric Hoist overhead Crane
Henan Mine Crane new double trolley electric hoist overhead crane, is designed for machining, equipment assembly, long pieces of material handling, production and repair workshops, warehouses to create an upgraded version of the special lifting equipment, support for separate operations and synchronized operations, can be independent of the handling of fragmented materials.
Lifting Capacity
1t+1t - 32t+32t or Customized
Crane Span:
7.5m- 31.5m or Customized
Lifting Height
6m-30m or Customized
Working Class
A5 - A6 or Customized
Power Supply
220-690V, 50/60Hz
Crane Travel Speed
10-30m/min
Parameters of Double Trolley Electric Hoist overhead Crane Manufactured by Henan Mine Crane
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
| Parameter | Specification | Unit | Remarks |
| Rated Lifting Capacity | 1+1 – 32+32 | t | Double trolley combination, customizable |
| Span | 7.5 – 31.5 | m | Adjustable according to workshop |
| Lifting Height | 6 – 30 | m | Customizable |
| Working Class | A5 – A6 | – | Medium-heavy duty |
| Hoisting Speed | 0.8/5 – 8/16 | m/min | Dual-speed & frequency conversion |
| Trolley Travel Speed | 5 – 25 | m/min | Stepless speed regulation |
| Crane Travel Speed | 10 – 30 | m/min | Frequency conversion control |
| Hoist Arrangement | C-Type Layout | – | Low-headroom design |
| Trolley Mode | Dual Trolley (Independent/Synchronous) | – | Separate or cooperative working |
| Protection Level | IP54 | – | Dust-proof & splash-proof |
| Power Supply | 220-690V, 50/60Hz | V | Customizable for global market |
| Material | High-Strength Q355B Steel | – | Ultrasonic welding testing |
| Certification | ISO, CE, FEM | – | Direct export without modification |
| Control Mode | Wireless Remote / Pendant Control | – | Optional synchronous control |
| Type Test Code | KSSLE | – | Electric Hoist Bridge Crane |
| Application | Long Material Handling, Assembly Workshop | – | Synchronous lifting & balance turning |
Product Introduction of Henan Mine Crane Double Trolley Electric Hoist overhead Crane
1. Product core positioning and design standards
Henan Mine Crane new double trolley electric hoist overhead crane core positioning: for the global machining, assembly workshop, long materials handling and other scenarios to provide double trolley flexible operation, low headroom to save space, synchronous and accurate lifting, cost-effective lifting and handling solutions.
2. Core structure and functional design
- Dual trolley independent/co-operative system: two trolleys running on the same track, can be individually controlled to complete the lifting of materials at different workstations, but also open the synchronized control mode, to achieve synchronous lifting of long materials, balanced flip, to solve the profiles, tubes, rolls of paper, steel and other long pieces of imbalance and difficult to lift the industry’s problems, the efficiency of operation than a single trolley equipment to improve more than 60%.
- Modular lightweight compact structure: the use of high-strength steel modular to build a compact structure, lighter weight, with a large diameter reel and dual-speed motor, high-speed lifting efficiency, low-speed precision to ensure safety, lower energy consumption of the machine, longer service life.
- Frequency conversion speed control: integrated frequency conversion speed control technology, stepless adjustment of trolley and trolley operation, smooth starting and stopping without impact, reducing vibration to the plant structure, synchronized to improve the stability of long parts lifting, accurate positioning without shaking.
- C-type low headroom optimization design: the hoist adopts C-type arrangement + square welding cover, which greatly reduces the headroom height and limit dimensions, improves the utilization rate of the workshop space, and directly reduces the construction height of the plant and the cost of the foundation, with outstanding cost performance.
- Intelligent Internet of Things (IoT) expansion function: support the expansion of IoT remote monitoring, fault self-diagnosis, intelligent operation and maintenance, real-time view of equipment operation data, overseas customers can enjoy 7 × 24 hours remote technical support, reduce operation and maintenance costs.
- Full-dimensional safety protection: equipped with trolley collision limit, travel limit, overload protection, emergency stop, anti-derailment device, double trolley running automatically avoid collision, all-round protection of operational safety.
3. Core product advantages
- Flexible and efficient double trolley: independent/co-operative dual mode, single crane/double lifting free switching, multi-station parallel operation, long parts lifting in one step, efficiency is greatly improved.
- Low headroom to save construction costs: C-type hoist layout to reduce the headroom size, reduce the height of the plant and infrastructure investment, space utilization rate increased by 40%.
- Synchronized lifting is safer: double trolley synchronized control, balanced lifting of long parts without tilting and shaking, eliminating cargo damage and potential safety hazards.
- Mature and stable technology: new electric hoist lifting mechanism, double-speed + frequency conversion configuration, low failure rate, suitable for long-term continuous operation.
- Intelligent and scalable: support the Internet of Things intelligent upgrading, remote monitoring + preventive maintenance, suitable for the needs of intelligent factories.
- Global export compliance: ISO, CE, FEM certified, can be exported directly without modification, provide a full set of English technical data.
4. Global Adaptation and Application Scenarios
- Core scenarios: machining shop, long material assembly shop, steel structure processing plant, paper mill, profile/tube warehouse.
- Expansion scenarios: production and repair workshops, warehousing and logistics centers, power station overhaul workstations, large parts transfer workstations.
- Environmental adaptation: stable operation in -25℃~+40℃ environment, IP54 dustproof and waterproof, suitable for all kinds of industrial workshops around the world.
5. Global exclusive supporting services
- Provide a full set of technical data, installation drawings, operation and maintenance manuals in English/Spanish/Arabic/Russian to meet global equipment access requirements.
- 7×24 hours remote video installation and commissioning, door-to-door installation and training, transparent and negotiable costs.
- Global core regional spare parts warehouse, 72-hour delivery of regular spare parts, multi-language after-sales technical support.
What Can Henan Mine Crane Double Trolley Electric Hoist overhead Crane Offer You?
| Value Category | Specific Benefits | Description |
| Operation Flexibility | Dual Trolley Independent/Synchronous Work | Two trolleys on same rail, separate handling or synchronous lifting for long materials, balance turning |
| Space Utilization | Low-Headroom Compact Design | C-type hoist layout + square welded cover, reduce headroom, save workshop construction cost |
| Lifting Efficiency | Dual-Speed & Frequency Conversion | Dual-speed motor + variable frequency, high-efficiency handling, precise positioning, smooth operation |
| Energy Saving | Lightweight & Low Consumption | Modular high-strength structure, lighter self-weight, lower energy consumption, long service life |
| Intelligent Operation | IoT Remote Monitoring & O&M | Expand IoT function, remote monitoring, fault self-diagnosis, intelligent maintenance |
| Safety Performance | Anti-Collision & Comprehensive Protection | Trolley anti-collision, limit switch, overload protection, emergency stop, safe operation |
| Global Adaptability | International Certification | ISO/CE/FEM certified, customizable voltage 220-690V 50/60Hz, direct global export |
| Customization | Fully Customizable | Customize lifting capacity, span, lifting height, synchronous control for different workshops |
| Maintenance | Easy Maintenance | Simple structure, standard parts, low failure rate, global spare parts supply |
| Application Scope | Wide Industry Application | Suitable for long material handling, machinery processing, assembly, warehouse & repair workshop |
| Cost Reduction | Lower Building & Operation Cost | Reduce workshop height, foundation cost and long-term operation cost |
Parameters of Double Trolley Electric Hoist overhead Crane
Advantage display
Product Advantages Overview
Large-Tonnage Bearing
Rated lifting capacity ranges from 5T to 100T, and larger tonnages can be
customized for special needs. Adopting high-manganese steel main beam and
reinforced
Intelligent Precision Control
quipped with a PLC intelligent control system, supporting millimeter-level
positioning and automatic loading/unloading. Lifting and running speeds can be
flexibly adjusted, and
Multiple Safety Protections
Integrates multiple safety mechanisms such as overload protection, limit
protection,
anti-fall protection and emergency braking, equipped with high-definition
monitoring
and fault
Longer Service Life
Core components are made of high-quality materials such as wear-resistant alloy
and corrosion-resistant steel, reinforced by heat treatment process. The
electrical system
Details of the Double Trolley Electric Hoist overhead Crane
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
What industries are the Double Trolley Electric Hoist overhead Crane suitable for?
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
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Machining workshopDouble trolley electric hoist overhead crane is suitable for all kinds of small and medium-sized machining workshop, double trolleys can run independently or cooperatively, accurately lifting machine tool parts, processing workpiece, reduce transit waiting, improve workshop productivity.
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Steel structure processing workshopDouble trolley electric hoist overhead crane is suitable for the whole process of steel structure processing, the double trolleys can work together to disperse the force, avoid the deformation of steel profiles and components, and smoothly complete the lifting and transfer of raw materials, semi-finished products and finished products
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Equipment Manufacturing and Assembly WorkshopDouble trolley electric hoist overhead crane. The double trolleys work independently without interfering with each other, and can synchronize the lifting of assembly parts and finished products, accurately docking the assembly stations, reducing the waiting time for transfer, and improving the assembly efficiency of the production line.
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Precision parts workshopThe double trolley electric hoist overhead crane is designed with energy-saving and noise reduction, running with low vibration, accurately lifting electronic components and precision parts, avoiding damage to the parts, and is suitable for the precision processing of electronics, instruments and other scenarios.
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Machinery maintenance workshopDouble trolley electric hoist overhead crane can flexibly deploy double trolleys to lift maintenance accessories and equipment parts, which is suitable for all kinds of machinery and equipment overhauling, dismantling and installation operations, and improve the maintenance efficiency.
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Light industry/food processing workshopThe double trolley electric hoist overhead crane can be customized with clean and anticorrosive configurations to lift raw materials and finished products, which meets the hygiene standards of the industry and is suitable for clean working environment.
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Metallurgy/chemical auxiliary workshopThe double trolley electric hoist overhead crane has anti-corrosion and dustproof performance, adapting to high dust and humidity working conditions, and stably accomplishing the lifting of metallurgical parts, chemical raw materials and auxiliary consumables.
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Industrial WarehouseDouble trolley electric hoist overhead crane maximizes the use of space, double trolley cooperative operation, to achieve the regular stacking of goods and efficient transfer, to enhance the efficiency of the turnover of warehousing.
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Electronic/Instrument Processing WorkshopThe double trolley electric hoist overhead crane has low noise and vibration, and accurately lifts precision components to meet the clean and precise operation requirements of the electronics and instrument industries.
How to Choose the Best Crane Manufacturer in China
Henan Mine Crane Co., Ltd. is a professional manufacturer and service provider of cranes and material handling products. Integrating R&D, design, manufacturing, sales, and service, we deliver comprehensive solutions and full-lifecycle support to our customers.
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1Clarify Your Crane NeedsThoroughly understand your lifting requirements (load details, frequency, and workspace environment) before approaching crane manufacturers.
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2Determine Crane Service ClassCalculate the required crane service class based on your operational intensity to ensure optimal performance and longevity.
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3Explore Crane Supplier Custom Features:Investigate available customization options and special features to enhance safety, efficiency, and precision for your specific application.
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4Assess Crane Factory Engineering CapabilityEvaluate the manufacturer's engineering strength to ensure they can design a suitable solution tailored to your needs.
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5Verify Quality & Compliance of Crane CompanyCheck the crane manufacturer's manufacturing quality, certifications, and compliance with international standards and your local safety regulations.
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6Ensure Support & ReferencesConfirm the manufacturer provides reliable after-sales support and has a proven track record with positive references in your industry or region.
Why We Are More Trustworthy
Henan Mine Crane Factory is a premier provider of integrated crane and material handling solutions, covering R&D, design, manufacturing, sales, and service for end-to-end support.
Experienced company
Established in 2002, Henan Mine Crane Factory is a high-tech crane enterprise. Using advanced global design and manufacturing tech, we craft top-quality single/double-beam cranes and electric hoists.
Professional team & equipment
Our 1.62 million ㎡ factory has 3,500+ staff, 200 senior engineers, and 428+ global sales/service points. With 2,000+ processing machines handling 20+ processes, we ensure excellence.
Productive capacity
The annual output of cranes is over 80,000 units. The company produces and sells more than 11000 double beam and gantry cranes annually, More than 73000 single beam cranes, and More than 100000 sets (sets) of single and double beam electric hoists and accessories.
Customized design services
We know the right crane is key. Our engineers partner with clients to design and build cranes tailored to specific needs, ensuring optimal performance.
Why Our Cranes Earn Customers' Trust
Henan Mine Crane Co., Ltd. has a strong technical team with over 10 top experts and 200+ mid-to-senior engineers. They've obtained over 700 national patents and provincial-level tech achievements, with over 670 authorized patents. Henan Mine Crane Factory led/participated in over 100 standard formulations/revisions, won the China Standard Innovation Contribution Award, and is a key member of multiple lifting machinery standardization committees. Dr. Xu Lei serves as Deputy Leader of the ISO/TC96 Domestic Technical Counterpart Expert Working Group.
The services we provide
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
Free customization scheme
The professional engineer team communicates in depth to understand needs, and provides
one-stop customized solutions including 3D model design, technical parameter calculation
Regular Maintenance Reminder
Establish customer equipment files, and regularly send maintenance reminders based on
equipment usage time and operation intensity. Provide detailed maintenance manuals and
video tutorials
Technical support consultation
Provide 7×12-hour online technical consultation service. Senior consultants answer
questions in real time regarding product selection, parameter matching, installation
specifications
Free customization scheme
The professional engineer team communicates in depth to understand needs, and provides
one-stop customized solutions including 3D model design, technical parameter calculation
Our Patents and Certifications
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
Customer Testimonials & Top Choices
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
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Professional cross-border after-sales team + global parts warehouse, 24-hour response, full-cycle service to help you effortlessly expand your market.
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We sincerely invite global partners with resources to join hands, jointly develop the global crane market, and achieve mutual benefit and win-win outcomes!
Your Top Concerns About Henan Mine Crane manufactured Double Trolley Electric Hoist overhead Crane and Answers
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
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What flexible cooperation options are available for international clients?Answer: We offer globally competitive cost-performance ratios and diversified international cooperation solutions! We provide multiple trade term options including FOB, CIF, and DDP, along with customized payment methods such as letters of credit, installment payments, and milestone-based project payments.
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What is the core advantage of double trolley design compared with single trolley?The double trolley supports independent/synchronized dual mode, which can be used to lift scattered materials alone, and can also be synchronized to lift long materials and balanced flip, solving the problem of imbalance of long parts, and the parallel operation of multiple workstations, which can increase the efficiency by more than 60% compared with the single trolley
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Double trolley synchronized lifting, accuracy and stability?Adopting synchronized control system, double trolleys are adjusted at the same speed, with positioning accuracy of ±5mm, no tilting and shaking, long pieces are lifted smoothly and safely, and cargo damage is eliminated.
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How much plant construction cost can be saved by low headroom design?C-type hoist arrangement can reduce the headroom 300-800mm, the same lifting height can reduce the height of the plant, and at the same time reduce the wheel pressure, greatly reducing the cost of steel structure and foundation.
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Will there be any collision when the double trolley is running?No. Equipped with special anti-collision limiting device, the double trolley automatically maintains a safe distance, and the program prevents misoperation, which completely eliminates the risk of collision from mechanical + electronic double guarantee.
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Does the device support IOT remote monitoring?It supports the expansion of IOT intelligent system, which can remotely monitor the operation data and troubleshooting; overseas customers enjoy 7×24 hours remote technical support without on-site guarding.
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Is it CE/ISO certified?Yes. Through the ISO, CE, FEM international certification, in line with the EU lifting equipment standards, without modification, to provide a full set of English data, full assistance in customs clearance.
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Can it be customized according to the workshop size?Completely. Modular design can be customized double trolley lifting capacity combination, span, lifting height, synchronous control mode, suitable for all kinds of long parts lifting and workshop layout.
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How does double-speed lifting + frequency control help lifting?Dual-speed meets the demand of high efficiency and precision, and frequency conversion buffers the start-stop impact and runs smoothly without vibration, which not only improves the efficiency, but also protects the goods and the structure of the plant.
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Is it difficult to maintain the equipment?Maintenance is extremely simple. Classic electric hoist structure, general standard parts easy to purchase; core components life 8-10 years, daily only need routine lubrication, maintenance costs are very low.
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How about the energy-saving effect of the equipment, can reduce operating costs?Lightweight structure + frequency control, energy consumption is reduced by more than 20% compared with the traditional single trolley equipment, combined with low maintenance costs, significantly reducing the long-term operating costs of the workshop.
Operating Manual for Double Trolley Electric Hoist overhead Crane
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
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Each crane must display a rated load capacity plate in a conspicuous location.
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No personnel are permitted on the girder during operation, nor may the hook be used to transport persons
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Operation is prohibited without a valid operator's license or under the influence of alcohol.
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Operators must maintain full concentration during operation; talking, smoking, or engaging in unrelated activities is strictly forbidden.
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Keep the crane clean and tidy; do not store equipment, tools, flammable materials, explosives, or hazardous substances haphazardly.
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Do not overload the crane.
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When operating along obstacle-free paths, the hook, lifting device, or bottom surface of the load must remain at least 2 meters above ground level. When crossing obstacles, the load must clear the obstacle by at least 0.5 meters
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For loads under 50% of rated capacity, both lifting mechanisms may operate simultaneously. For loads exceeding 50% of rated capacity, only one mechanism may operate.
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.For bridge cranes equipped with main and auxiliary hooks, do not simultaneously raise or lower both hooks (except under special circumstances).
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Welding or hammering on suspended loads, or working beneath suspended loads, is prohibited (except when properly supported).
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Inspection or maintenance work may only be performed after power has been disconnected and a “Do Not Operate” sign is displayed on the power switch. If live work is unavoidable, implement safety measures and assign dedicated supervision.
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Do not throw objects from the vehicle indiscriminately.
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Regularly inspect limit switches and interlock protection devices.
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Do not use limit switch impact as a stopping method.
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Do not lift or lower loads when hoist brakes malfunction.
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Do not operate the hoist above personnel or equipment.
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When welding any part of the crane, use a dedicated ground wire; do not use the crane body as a ground.
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When the hook is at its lowest position, ensure at least two full turns of safety rope remain on the drum.
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Cranes must not collide with each other; using one crane to push another into operation is strictly prohibited.
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When lifting heavy objects, molten metal, explosives, or hazardous materials, first slowly raise the load 100–200 mm off the ground to test brake reliability.
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Maintenance and inspection lighting must operate at voltages below 36V.
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All electrical equipment enclosures on bridge cranes must be grounded. If trolley rails are not welded to the main girder, grounding measures must be implemented. Grounding conductors may use galvanized flat iron with a cross-sectional area exceeding 75mm², bare copper wire of 10mm², or galvanized round steel exceeding 30mm². The operator's cab or crane body shall have more than two grounding points. The grounding resistance from any point on the crane to the power supply neutral point shall be less than 4Ω.
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30 Years of Lifting R&D, Following Strict European Standards, Intelligent
Empowerment
for Heavy Loads, Providing Global Safe & Excellent Solutions
The project was delivered on time and landed safely
Henan Mine Crane Double-girder Electric Hoist Bridge Crane, renowned for their high lifting capacity, exceptional stability, and extensive operational range, are widely utilized across diverse industrial production and material handling scenarios. They serve as core lifting equipment for industrial and mining enterprises, logistics warehouses, and other sectors.
Improve efficiency
Break through operational bottlenecks and improve overall project progress efficiency
Avoiding risks
Build a solid safety line and avoid potential risks of high-risk operations
Delivery
Adapt to diverse working conditions and ensure stable project implementation and delivery