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FLAGCRANE Customized Overhead Crane 1-800 Tons- Single & Double Girder Bridge Crane Solutions

  • Light‑weight compact structure: Optimized box‑girder design reduces dead weight and wheel pressure, lowering workshop infrastructure investment cost.
  • High‑precision & stable operation: Full‑variable‑frequency driving system with built‑in anti‑sway function, realizing accurate load positioning, smooth start‑stop without impact.
  • Multi‑layer safety protection: Equipped with overload limiter, travel limit switch, emergency stop, anti‑derailment, over‑speed monitoring and double‑brake device for critical working conditions.
  • Low‑cost operation & maintenance: Modular standardized components, easy access for inspection and repair, extending service life and cutting downtime loss.
  • Multi‑scenario customization: Customizable lifting capacity (1t‑800t), span, lifting height, working class and control mode to fit diverse site conditions.
  • Global standard compliance: Manufactured in accordance with FEM, DIN and ISO standards, with CE, ISO, SGS certifications to meet global project access requirements.
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Description

FLAGCRANE overhead crane (EOT / electric overhead travelling crane) is a high-efficiency indoor material handling equipment mounted on factory building runway rails. Composed of main bridge girder, end carriages, travelling trolley, hoist & drive system, electric control system and full safety devices, the crane covers a full rectangular working area with longitudinal and transverse travelling motion.

We provide both traditional and European optimized overhead crane series, covering light, medium and heavy-duty working conditions. All products adopt CNC precision processing and automatic welding technology, with strict factory testing. We support one-stop services including personalized design, standardized production, on-site installation guidance and full-cycle after-sales maintenance for global industrial customers.

Application Scenarios

FLAGCRANE overhead cranes serve diversified industrial fields with reliable material handling solutions:

  • Machinery manufacturing: Workshop assembly, parts transfer and finished product stacking
  • Steel & metallurgy: High-temperature molten metal, steel plate and steel billet handling
  • Logistics & warehouse: Heavy cargo loading, unloading and inventory turnover
  • Automobile & new energy: Production line feeding and large workpiece hoisting
  • Thermal power & energy: Bulk material grabbing and equipment maintenance hoisting
  • Chemical & coal industry: Explosion-proof lifting for flammable and dusty environments
  • Heavy equipment & rail transit: Large structural parts precise positioning and hoisting

Advanced Technology & Standard Configurations

Core Advanced Technology

  • Full VFD Speed Regulation Technology: Hoisting, cross-travel and long-travel all adopt variable frequency drive, realizing soft start and stop, eliminating mechanical impact and prolonging equipment service life.
  • Intelligent Anti-sway System: Effectively suppresses cargo swing during operation, improves hoisting accuracy and overall working efficiency, suitable for high-precision operation scenarios.
  • Real-time Safety Monitoring System: Supports real-time working data collection, automatic fault alarm and operation record tracing, realizing intelligent safety management.
  • European FEM Standard Hoist Technology: Equipped with high-efficiency low-noise European hoist, featuring compact structure, high working duty cycle and high protection grade.
  • High-standard Anti-corrosion Process: Main girder adopts CNC cutting, automatic submerged arc welding and shot blasting pretreatment, matched with heavy-duty anti-corrosion paint, adapting to long-term industrial operation.

Standard & Optional Configurations

  • Control Mode: Pendant push button, wireless remote control, driver cabin control
  • Standard Safety Configuration: Overload limiter, upper & lower lifting limit switch, travel limit device, emergency stop button, anti-derailment protection
  • Optional Custom Devices: Intelligent anti-collision device, automatic positioning system, wind-proof device, high-temperature resistant assembly, explosion-proof system, grab bucket, electromagnetic chuck
  • Working Grade: ISO A3-A8 / FEM 1Am-4M
  • Electric Protection Grade: IP54 / IP55
  • Working Temperature: -20℃ ~ +40℃ (custom high/low temperature resistant type available)

Product Classification

All FLAGCRANE overhead crane series are classified by load capacity, structural design and applicable working conditions. Each model has clear positioning to help customers quickly screen and match the most suitable equipment:

Single Girder Overhead Crane (HD/LD Series)

Load range:1-32t
Core features:Light self-weight, compact structure, low wheel pressure, cost-effective, low headroom design.
Applicable scenarios:Light and medium-duty general workshops with low operation frequency, ideal for conventional machinery processing, small parts handling and ordinary factory daily hoisting tasks.

Double Girder Overhead Crane (QD/QDX Series)

Load range:5-800t
Core features:Super strong bearing capacity, high structural stability, high working duty cycle, long service life.
Applicable scenarios: Medium and heavy-duty industrial workshops with frequent operation, suitable for heavy equipment assembly, large workpiece hoisting and high-intensity continuous lifting work.

Explosion-Proof Overhead Crane (QB Series)

Load range:2t – 50t
Core features:Full set of explosion-proof electrical components, spark-proof structural design, compliant with international explosion-proof standards, high safety redundancy.
Applicable scenarios: Special environments with flammable gas, explosive dust and dangerous materials, widely used in chemical, coal mine, petroleum and energy industry.

Metallurgical High-Temperature Overhead Crane (QDY/YZ Series)

Load range:16t – 320t
Core features:High-temperature resistant material, double brake safety system, heat insulation protection, heavy-duty anti-fatigue design.
Applicable scenarios: Harsh high-temperature working conditions such as steel mills and smelters, specially used for molten steel, molten iron and high-temperature metal material transfer and hoisting.

Grab Bucket Overhead Crane (QZ Series)

Load range:5t – 40t
Core features:Equipped with hydraulic grab bucket, automatic grabbing and unloading, high working efficiency, continuous operation capability.
Applicable scenarios: Bulk material handling scenarios, including coal, mineral sand, grain, slag and ash, commonly used in power plants, stockyards and freight terminals.

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Electromagnetic Overhead Crane (QC Series)

Load range:5t – 30t
Core features:Matched with high-suction electromagnetic chuck, automatic magnetic adsorption and discharge, no need for manual binding.
Applicable scenarios: Specialized for magnetic metal materials, suitable for steel scrap, steel plate, steel billet and iron workpiece hoisting and turnover in metallurgy and recycling plants.

Project Cases

Case 1: 3t-16t HD European Single Girder Cranes | Ghana Machinery Processing Plant

Project Overview: Equipped with wireless remote control and A5 working grade, applied for mechanical parts transfer and workshop assembly. The compact low-headroom design perfectly adapts to the existing factory building. Stable and low-noise operation effectively improves workshop handling efficiency. We provide full overseas installation guidance and annual regular maintenance service.

Case 2: 50t QDX European Double Girder Crane | Philippines Heavy Equipment Workshop

Project Overview: 22.5m span, equipped with intelligent anti-sway system and cabin control system, used for large mechanical equipment assembly. The optimized low wheel pressure design avoids factory building reconstruction, saves customer’s infrastructure investment, and meets high-frequency and high-precision hoisting requirements.

Case 3: 80t QDY Metallurgical Overhead Crane | Southeast Asia Steel Plant

Project Overview: Adopts high-temperature resistant and heat insulation design, matched with dual safety brake system and A7 heavy-duty working grade. It runs stably in long-term high-temperature environment, specially used for molten steel ladle transfer, fully meeting the strict safety standards of metallurgical production.

Case 4: 20t QZ Grab Bucket Overhead Crane | Local Thermal Power Plant

Project Overview: Configured with high-efficiency hydraulic grab bucket and cabin operation mode, supporting 24-hour continuous bulk material operation. Mainly used for coal and ash material handling in power plant stockyard, with stable performance and strong durability.

FAQ

Q1: How to select the correct overhead crane model and capacity?

A: Confirm the maximum lifting weight of workpieces plus auxiliary tools weight, and reserve a reasonable safety margin. Meanwhile, provide your workshop span, lifting height, operation frequency and site environment. Our professional engineers will customize the most suitable crane model and solution for you.

Q2: Does FLAGCRANE support non-standard customized overhead cranes?

A: Yes. We support full customization including lifting capacity, span, lifting height, headroom size, high-temperature resistance, explosion-proof, anti-corrosion and other special environmental adaptations, as well as personalized control modes and auxiliary devices.

Q3: What international certifications can you provide?

A: Our overhead cranes are certified with CE, ISO, SGS, SABER and other international authoritative certificates, which can meet the import and inspection standards of most countries and regions in the world.

Q4: What is your product delivery cycle?

A: Standard crane models take 25-40 working days. The delivery cycle of non-standard customized products depends on the complexity of technical solutions, and we will confirm the exact lead time with customers before order confirmation.

Q5: Do you provide overseas installation and after-sales service?

A: We provide detailed installation drawings, operation videos and technical manuals for free. We can also arrange professional engineers to the site for installation guidance and commissioning upon request. Long-term remote technical support and spare parts supply services are available.

Q6: What information is needed to get an accurate quotation?

A: You need to provide rated lifting capacity, span, lifting height, working grade, power supply parameters, control mode and special working environment requirements. Providing workshop drawings will help us give a more accurate solution and quotation.

Tailored Your Crane

It is our pleasure to work with you to find the right solution for your problem, no matter how complex or unique. Our professional technical team will build you a custom crane that has everything you need to effectively lift materials within your facility.
If you require custom options, let us know and we will work with you to build a factory overhead crane that meets your needs.

  1. Lifting capacity: _____ ton
  2. Lifting height: ______ m
  3. Span: _______m
  4. Power supply: _____V _____Hz 3 Phase
  5. Crane travelling length: _______m
  6. New factory? or existing factory?_____________________
  7. What purpose will use the crane? ___________________
  8. Detailed working conditions of the crane:____________
  9. Other requirements: __________________________________

Overhead crane can be equipped with different spreaders to adapt to more working conditions. For example, the following spreaders can be customized:

  • Crane C Hook for coil
  • Crane Electromagnet
  • Grab Bucket
  • Lifting Beam
  • Crane Lifting Tong
  • Container Spreader
  • Special Hook(Electric rotation, casting, insulation, etc.)

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