Intelligent Grab Double Girder Overhead Crane
Henan Mine Crane Intelligent Grab Double Girder Overhead C rane is an intelligent heavy-duty equipment specially designed for bulk material handling of ore, raw coal, lime, sand and gravel, coke, cement, slag, etc. It adopts QZ-type mature structure, with four-rope grab as the core spreader, and the working level is A6-A8, and it is suitable for the indoor and outdoor fixed span operation of the power plant, stockyard, workshop, wharf, metallurgical industry, cement industry, chemical industry and so on.
Lifting Capacity
5t - 50t or Customized
Crane Span:
10.5m- 31.5m or Customized
Lifting Height
6m-30m or Customized
Working Class
A6 - A8 or Customized
Power Supply
220-690V, 50/60Hz
Crane Travel Speed
76 - 94m/min
Parameters of Intelligent Grab Double Girder 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 | 5 – 50 | t | Customizable |
| Span | 10.5 – 31.5 | m | Adjustable according to yard |
| Lifting Height | 6 – 30 | m | Customizable |
| Working Class | A6 – A8 | – | Heavy duty for bulk handling |
| Hoisting Speed | 30 – 49 | m/min | Frequency conversion adjustable |
| Trolley Travel Speed | 31 – 45 | m/min | Stepless speed regulation |
| Crane Travel Speed | 76 – 94 | m/min | Frequency control, smooth running |
| Grab Type | Four-Rope Mechanical Grab | – | For bulk material grabbing |
| Control System | Intelligent PLC + MES/WMS Integration | – | Unmanned auto operation |
| Wheel Process | Forging Rolling Composite | – | Life increased by 20% |
| Protection Level | IP54 – IP55 | – | Dust-proof & rain-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 | Remote / Cabin / Unmanned Auto | – | Optional multi-control mode |
| Type Test Code | QZ | – | General Overhead Crane |
| Application | Power Plant, Port, Steel Mill, Yard | – | Bulk material (ore/coal/slag) handling |
Product Introduction of Henan Mine Crane Intelligent Grab Double Girder Overhead Crane
1. Product core positioning and design standards
Henan Mine Crane Intelligent Grab Double Girder Overhead Crane core positioning: to provide automated, unmanned, highly stable, long-life special intelligent lifting solutions for global bulk material handling scenarios. It is suitable for all kinds of bulk material handling industrial scenarios in the world.
2. Core structure and function design
- Fully intelligent automation control system: supports seamless connection with MES production management system and WMS warehouse management system, realizing automatic operation, path planning, accurate positioning and wireless communication, which can realize unattended operation on site; equipped with 3D positioning technology, it can accurately complete the whole process of automatic grabbing, loading and unloading of materials, replacing manual operation, and significantly reducing manpower costs.
- Dual anti-swaying + accurate positioning: Equipped with professional anti-swaying control system, combined with intelligent algorithms to inhibit the swinging of the grapple, with very high positioning accuracy; at the same time, it is equipped with an automatic fault alarm function, real-time reminder of abnormal conditions, enhancing operational safety and stability.
- Ultra-long-life structure process: the wheels are forged and milled by composite process, the service life is increased by 20% compared with the traditional forged wheels; the frame is processed by a large boring machine to ensure the accuracy of the wheel mounting, so that the whole machine operates more smoothly, has a longer service life, and has a lower failure rate.
- Four-rope grapple for efficient handling: standard four-rope grapple with strong gripping force and stable opening and closing, suitable for all kinds of bulk materials such as ore, coal, slag, sand and gravel, etc. The technology is mature and reliable, the configuration is flexible, and the operation speed is fast and the transfer efficiency is high.
- Full-dimensional safety protection: Equipped with multiple safety devices such as overload protection, travel limit, emergency braking, anti-collision, anti-derailment, etc., the dual protection of intelligent system and mechanical structure ensures the safety and reliability of the whole process of heavy-duty bulk material handling.
- Modular customization and adaptation: lifting capacity, span, lifting height, grab specifications, intelligent system configuration can be customized to adapt to different types of bulk materials, operating environments and automation needs.
3. Core product advantages
- Unmanned intelligent operation: system linkage + automatic operation, realizing 24-hour unmanned, a single device can replace 2-4 operators, reducing labor costs by more than 60%.
- Anti-swaying and more accurate positioning: Intelligent anti-swaying technology eliminates the swinging of the grapple, and the three-dimensional positioning is accurate, so the material breakage rate and the operation error rate are greatly reduced.
- Durable structure and long service life: forged and crushed wheels + overall processing of the frame, the life of the core components is extended by 20%, and the annual maintenance cost is reduced by 30%.
- High efficiency of bulk material handling: four-rope grab + high-speed running mechanism, large single grabbing volume, fast operating speed, bulk material loading and unloading efficiency increased by more than 40%.
- Strong system compatibility and expandability: Seamlessly connects with MES/WMS/AGV and other intelligent devices, and easily connects to smart factory/intelligent yard system, with no pressure to expand.
- Global export compliance: ISO, CE, FEM certified, no modification required for direct export, full set of English technical data provided, full assistance in customs clearance.
4. Global Adaptation and Application Scenarios
- Core Scenarios: Grabbing coal in dry coal shed of power plant, handling ore/slag in metallurgical plant, loading and unloading lime/cement in cement plant, transferring bulk materials in chemical industry.
- Common scenarios: port bulk terminal, mining yard, waste treatment plant, coal storage center, workshop bulk material handling.
- Environment: Stable operation in -25℃~+40℃ and high dust environment, outdoor operation can be equipped with rainproof and dustproof devices, suitable for all kinds of industrial working conditions in 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 global remote video debugging, professional engineers door-to-door installation and training, the cost is transparent and negotiable.
- Global core region spare parts warehouse, 72-hour delivery of grabs, wheels, electronic control modules and other spare parts, multi-language after-sales support.
What Can Henan Mine Crane Intelligent Grab Double Girder Overhead Crane Offer You?
| Value Category | Specific Benefits | Description |
| Intelligent Automation | Unmanned Operation & System Integration | Seamless connect with MES/WMS, auto running, path planning, 3D positioning, unmanned 24h working |
| Handling Efficiency | High-Speed Grab & Stable Operation | Four-rope grab, fast working speed, high loading efficiency, suitable for bulk material handling |
| Service Life | Forged Rolling Wheel & Precision Machining | Wheel life increased by 20%, trolley frame integral machining, longer service life, lower failure rate |
| Positioning Stability | Anti-Swing & Precise Positioning | Intelligent anti-swing system, accurate positioning, reduce material damage and operation error |
| Safety Performance | Fault Alarm & Comprehensive Protection | Auto fault alarm, overload limit, anti-collision, emergency brake, full-dimensional safety protection |
| Labor Cost Saving | Unmanned & Less Manual Work | Replace 2-4 workers, reduce labor cost by over 60%, improve operation safety |
| Global Adaptability | International Certification | ISO/CE/FEM certified, customizable voltage 220-690V 50/60Hz, direct global export |
| Customization | Fully Non-Standard Customizable | Customize capacity, span, height, grab type, intelligent system for different materials |
| Maintenance | Easy Maintenance & Low Cost | Modular structure, standard parts, less wearing parts, low annual maintenance cost |
| Application Scope | Wide Bulk Material Usage | For ore, coal, slag, sand, lime, cement handling in power plant, port, steel mill, workshop |
| System Expansion | Smart Factory Compatibility | Compatible with AGV, intelligent warehouse system, easy to upgrade for smart plant |
Parameters of Intelligent Grab Double Girder 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 Intelligent Grab Double Girder Overhead Crane
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
What industries are the Intelligent Grab Double Girder Overhead Crane suitable for?
China's Premier Crane Manufacturer, Driving High-Quality Development in the Crane Industry for 24 Years
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Coal Storage and Transportation WorkshopIntelligent grab double girder overhead crane can efficiently grab coal, cinder and other bulk materials, double girder structure is stable, automated operation, to meet the demand for continuous transfer in the factory.
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Sand and Gravel Aggregate Processing PlantDouble girder grab cranes are suitable for loading and unloading granular materials such as stone, lime, gravel, etc. Intelligent grabs precisely control the materials and operate flexibly, which are suitable for high-frequency production operations in the building materials industry.
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Solid Waste Treatment CenterDouble girder grab cranes rely on intelligent grabs to grab industrial slag, loose waste, automated operation to reduce labor intensity, suitable for all types of solid waste stacking, sorting and transfer.
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Chemical auxiliary materials warehouseDouble girder grab cranes are designed to grab and transport powdery and granular chemical raw materials, with sealed grab to inhibit dust, and smooth traveling of double girder, suitable for indoor storage environment.
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Smelting auxiliary materials workshopBulk material grabbing bridge crane grabs ore, coke powder, refractory powder and other auxiliary materials, intelligent control of the rapid response, strong load-bearing capacity, suitable for heavy industry high-load operating environment
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Building materials production plantBulk material gripping bridge machine is responsible for fly ash, cement clinker, mineral powder and other bulk material feeding and transfer, the grapple under the material uniformity, for building materials assembly line to provide stable material transportation.
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Bulk Material WarehouseBulk material grabbing bridge machine covers a wide range of operation area, intelligent grab to complete the material stacking, inverted transportation, loading trucks, to enhance the efficiency of bulk material storage turnover.
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Ore stacking plantGrab cranes grab slag, tailings, loose minerals, equipment wear-resistant and anti-manufacturing, to adapt to the dusty, heavy-loaded plant complex operating conditions.
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City sanitation yardGrab cranes are used for centralized grabbing and transferring of slag, debris and loose garbage, intelligent operation is simple and easy to control, with strong versatility, suitable for sanitation material handling scenarios.
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 Intelligent Grab Double Girder 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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Can this intelligent grab crane be unattended?Yes. The equipment can be seamlessly connected with the MES/WMS system, with automatic path planning, three-dimensional positioning and other functions, and can realize 24-hour unattended continuous operation.
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What is the effect of anti-sway function?Equipped with professional intelligent anti-swaying system, it suppresses swaying through algorithm, runs smoothly without large swaying, and locates accurately to avoid material spillage and collision.
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How much can the life of forged and crushed wheels be improved?A: Adopting forging and crushing composite process, the life span of the wheel is increased by 20% compared with the traditional forged wheel, and the durability of the equipment is stronger.
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Can it be used in outdoor yards?Yes. Outdoor operation can be equipped with rain, dust and corrosion prevention devices, resistant to open air, high dust environment, suitable for ports and open yards.
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Can the equipment operate for a long time in the high temperature environment of the steel plant?Fully compatible. Standardized communication interfaces are provided as standard, which can be seamlessly connected to various MES/WMS systems and quickly access the intelligent factory scheduling system.
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Can the grab be customized?It is suitable for all kinds of bulk materials such as ore, raw coal, lime, etc. The specifications, openings and materials of grabs can be customized according to the type and specific gravity of materials.
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Is it CE/ISO certified?Yes. Through the ISO, CE, FEM international certification, without modification can be directly exported, provide a full set of English data and assist in customs clearance.
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Can the equipment malfunction automatically alarm?With automatic fault alarm function, real-time monitoring of the operating status, abnormal sound and light alarm + background push, to facilitate rapid investigation.
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Can it meet 24-hour continuous operation?The working level of A6-A8 is designed for heavy-duty, which can meet the 24-hour high-intensity continuous operation of power plants, steel mills and other scenarios.
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Is it difficult to maintain?A: Maintenance is simple, modular structure with universal standard parts, daily only need to lubricate and clean; provide English maintenance manual, complex problems can be guided remotely.
Operating Manual for Intelligent Grab Double Girder 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.
Directly state your needs and receive professional advice!
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