Offshore wind equipment · 2026
600 t new double-girder overhead crane
Dual-trolley coordinated operation, VFD and PLC controls support precision handling of large offshore wind equipment.
General-Purpose Double Girder Overhead Crane · KSQ
KSQ Double Girder Overhead Crane
A modular double-girder bridge crane for industrial material handling where low headroom, smooth variable-frequency motion and accurate load positioning are important. Anti-sway, PLC control, condition monitoring and automated positioning can be configured around the operating process.
Type-Test Model: KSQHook LiftingVFD Motion ControlPLC / Automation Options
For an accurate crane proposal, send:
Rated Loadt
Crane Spanm
Lifting Heightm
Duty / CyclesProcess data
Power SupplyV / Hz / Phase
Engineering Advantages
Designed around smoother motion, usable workshop space and maintainability
The KSQ platform combines a modular double-girder structure with control options that can be matched to the positioning accuracy, motion profile and automation level required by the production process.
01
Variable-frequency motion
Hoisting and travel can be configured for stepless speed regulation, smoother acceleration and deceleration, and lower impact during load handling.
02
Micro-speed positioning
Low-speed control supports more accurate final positioning during assembly, machine loading and other operations where abrupt movement is undesirable.
03
Electronic anti-sway
Anti-sway functions can be integrated to reduce suspended-load oscillation and improve repeatability during travel and positioning.
04
Low-headroom arrangement
Reduced overall headroom and shorter hook approach can improve use of available workshop height and working envelope.
05
Monitoring & interfaces
Operating-status monitoring, protection functions and remote-control interfaces support more transparent operation and future control integration.
06
Modular maintenance
Standardized modular components simplify inspection and component replacement while supporting a more maintainable crane architecture.
Application Fit
Where the KSQ configuration is a strong starting point
Final crane selection should be based on the real operating cycle, load characteristics, runway geometry and environmental conditions rather than rated load alone.
Typical industrial handling tasks
Machinery manufacturing and equipment assembly where controlled positioning matters.
General workshop lifting where a double-girder bridge crane is required for load, span or hook-approach reasons.
Production and warehousing processes that benefit from smoother VFD travel and optional automation interfaces.
New workshops where crane headroom and wheel load influence building and runway design.
Choose a special-purpose crane instead when
The load is molten metal or the process requires a dedicated metallurgical crane standard.
The atmosphere is explosive, corrosive or otherwise requires dedicated protection design.
The primary handling device must be a grab, magnet, rotating beam or other process-specific lifting device.
The crane is required to operate as a fully automatic process machine with project-specific redundancy and controls.
Selection rule: environmental and process requirements must be confirmed before finalizing capacity, duty class, speeds, motor/control arrangement and safety protection.
Product Image System
Product structure and real application views from Henan Mine Crane
Explore the KSQ crane arrangement and related double-girder applications in production workshops.
Product-Specific Engineering
How the KSQ platform is engineered
The KSQ is not defined by tonnage alone. Its value comes from the combination of double-girder bridge geometry, modular mechanisms and a control architecture designed for smooth motion, accurate positioning and easier maintenance.
Double-girder bridge structure
The bridge layout provides the structural basis for the travelling trolley and hook system. The KSQ platform is designed around low overall headroom, smaller hook-to-wall distance and reduced wheel load to improve usable workshop space.
KSQ design features.Trolley & lifting mechanism
A travelling trolley carries the hook lifting mechanism between the two girders. Capacity, reeving, lifting height and speed are engineered from the load, duty and workshop geometry rather than taken from one universal specification.
Project-specific engineering item.VFD motion architecture
Stepless speed regulation and micro-speed positioning can be configured across crane motions for smoother acceleration, deceleration and final load placement. Electronic anti-sway can be incorporated where process control requires it.
KSQ control functions.Monitoring, PLC & interfaces
Operating-status monitoring, multiple limit protections and remote-control interfaces are part of the KSQ control concept. Intelligent VFD control, PLC systems and automatic positioning can be added to suit the production process.
KSQ control options.Protection concept
KSQ cranes can include overload protection, travel limits and emergency-stop functions. Define additional protection around the local standards and process hazards.
Safety scope must be finalized in the technical offer.Modular maintenance
The platform emphasizes modular design, standardized wear parts and longer replacement intervals so routine service and component replacement can be planned more efficiently over the crane lifecycle.
KSQ maintenance concept.Technical Details
Confirmed KSQ data separated from project-defined parameters
Select KSQ capacity, span, hook height, speeds and duty around the actual load and building. Send your requirements for a matched technical schedule.
Type-test model
KSQ
Type-test product name
General overhead crane
Bridge arrangement
New-generation double-girder overhead crane
Primary lifting device
Hook
Speed control
Stepless / variable-frequency speed regulation can be configured
Precision handling
Micro-speed positioning and electronic anti-sway
Monitoring
Operating-status monitoring
Protection
Overload, travel limit and emergency stop are identified in the KSQ configuration
Control interfaces
Remote-control interface; intelligent VFD, PLC and automatic positioning available as project options
Structural objectives
Low headroom, smaller hook-to-wall distance, lower wheel load and reduced energy consumption
Maintenance concept
Modular design, standardized wear parts and longer replacement intervals
Rated capacity / span / lifting height / duty
Project-defined. The current official KSQ page does not publish one universal numeric range; these values should be confirmed in the technical proposal for the selected crane.
Data needed to engineer the final crane
A credible quotation should return more than a price. It should define the crane around the runway, load spectrum and operating cycle.
- Maximum and typical lifted load
- Span / runway gauge
- Lifting height and top clearance
- Hook approach requirement
- Lifts per hour and working hours per day
- Travel distances and positioning accuracy
- Building / runway beam information
- Ambient conditions and local electrical supply
- Required radio, cabin, PLC or automation control
Fixed product factKSQ model, general-overhead-crane classification and crane functions.
Engineered parameterCapacity, span, lifting height, speeds, duty and wheel loads for the actual project.
Quotation outputFinal configuration, technical data sheet, supply scope, drawings and project-specific options.
Specify rated load, span, lifting height, working duty and control functions in your enquiry.
Selection Process
Four decisions that determine the correct KSQ configuration
1
Define the lifted load
Confirm maximum load, normal load, load dimensions, center of gravity and lifting attachment.
2
Define the operating cycle
Provide lifts per hour, travel distances, operating hours and the amount of precision positioning required.
3
Check the building
Confirm span, rail elevation, available headroom, end approaches and allowable runway reactions.
4
Select controls & safety
Match VFD speeds, anti-sway, PLC functions, radio control and monitoring functions to the process.
Configuration Comparison
Choose the crane architecture around the job, not only the tonnage
Decision factor
KSQ double girder
Electric-hoist bridge crane
Special-purpose process crane
Primary role
General industrial handling with modular controls
General lifting with compact hoist-based lifting mechanism
Dedicated process handling
Positioning / control
VFD, micro-speed, anti-sway and automation options
Depends on hoist and control package
Engineered around the production process
Building optimization
Low-headroom and reduced hook approach are key design objectives
Often selected where compact hoist arrangement is suitable
Driven by process geometry and safety requirements
Use when
General-purpose double-girder crane with controlled motion is required
A hoist-based bridge crane matches the duty and lifting requirement
Environment, lifting device or duty requires a dedicated design
Safety & Controls
Control functions can be matched to the risk level and positioning requirement
Core protection
Overload protection, travel limits and emergency-stop functions form part of the KSQ control concept described by the manufacturer.
Motion quality
Variable-frequency drive control enables softer starts and stops, while micro-speed operation supports controlled final positioning.
Automation-ready options
PLC control, operating-status monitoring, remote interfaces and automated positioning can be incorporated when required by the project.
Project Experience
Related double-girder projects that demonstrate engineering and manufacturing capability
Bridge construction · 300 t
300 t new double-girder crane for bridge construction
The project highlights modular design, lighter structural design, integrated electrical design, full variable-frequency control and precise positioning.
Southeast Asia steel plant · 2026
160 t double-girder overhead crane in a 100+ crane package
Henan Mine Crane reported a package of more than 100 crane sets for a large Southeast Asian steel plant, including a 160 t double-girder overhead crane and multiple process-specific crane types.
Discuss comparable double-girder projects and the KSQ configuration required for your facility.
Manufacturing & Support
Crane engineering backed by manufacturing scale and lifecycle service
Henan Mine Crane reports an integrated business covering R&D, design, manufacturing, sales and service, with production and service experience across multiple industrial sectors.
2002Company founded
5,100+Employees reported
3,500+Advanced processing equipment
122Export markets
Related Crane Configurations
Compare adjacent crane solutions before final selection
Related products are selected by actual configuration or process differences, not simply by similar names.
LH Electric Hoist Overhead Crane
A hoist-based bridge crane with low-headroom arrangement and lower self-weight where the operating requirement does not call for the KSQ trolley architecture.
Request Product Details
YZD Metallurgical Overhead Crane
Use a dedicated metallurgical crane when molten-metal service, high temperature and process-specific safety provisions go beyond a general-purpose hook crane.
Request Product Details
QEN Grab & Hook Overhead Crane
For projects that need both hook lifting and bulk-material handling with a detachable hydraulic grab.
Request Product DetailsFrequently Asked Questions
Technical questions commonly resolved before a crane quotation
What information is needed for a KSQ crane quotation?
Rated load, span, lifting height, operating cycle, power supply, workshop clearances and the required control method are the minimum starting data. Existing workshops should also provide runway and rail information.
Can the KSQ crane use anti-sway and automated positioning?
Yes. The manufacturer describes electronic anti-sway, PLC control and automated positioning as configurable functions. The exact control architecture should be defined against the process.
Is KSQ suitable for a low-headroom workshop?
Low overall headroom and reduced hook-to-wall distance are stated design advantages. Final hook approach and top clearance still depend on the selected capacity, span and mechanism arrangement.
Can it be installed in an existing workshop?
Potentially, but the existing runway, rail, building clearances and allowable wheel loads must be checked before the crane configuration is finalized.
Can speeds be customized?
Yes. Hoist, trolley and bridge travel speeds should be selected from the handling cycle and positioning requirements, with VFD control used where appropriate.
When should a different crane type be selected?
Dedicated metallurgical, explosion-proof, grab, electromagnetic or other special-purpose cranes should be evaluated when the process or environment requires features beyond a general-purpose hook crane.
Request a Crane Proposal
Get a KSQ configuration matched to your runway and operating cycle
Send the load, runway and operating-cycle data below. The technical proposal should return the selected KSQ configuration, capacity and span data, mechanism speeds, duty basis, wheel loads/reactions where required, control architecture, scope of supply and project-specific options—not only a generic crane price.
Useful attachments: workshop drawing, runway layout, load photo/drawing, required operating cycle and local electrical standard.