Engineered for high-capacity vertical material handling, these heavy-duty fixed scissor lifts provide a stable platform for moving oversized loads in intense industrial environments. The multi-stage scissor mechanism is optimized for extended vertical travel while maintaining high torsional rigidity through reinforced structural steel members. Designed for integration into heavy manufacturing floors or dedicated pits, these systems support high-cycle operation and are fully customizable in terms of load capacity, platform dimensions, and safety integrations to ensure seamless material flow in steel mills and fabrication plants.
| Parameter | Unit | Standard Range | Customization Options |
| Rated Load Capacity | kg | 2,000 – 20,000 | Custom engineered for high-tonnage requirements |
| Max. Vertical Travel | mm | 2,000 – 8,000 | Tailored to specific floor-to-floor heights |
| Platform Length | mm | 3,000 – 6,000 | Scalable based on oversized cargo footprint |
| Platform Width | mm | 1,500 – 3,500 | Customized to facility and material width |
| Lowered Height | mm | 600 – 1,100 | Optimized for pit-mount or floor-standing |
| Lifting Speed | m/min | 3 – 5 | Variable frequency drive (VFD) for precision |
| Motor Power | kW | 5.5 – 18.5 | Sized per load and duty cycle demands |
| Power Supply | V/Hz | 380V / 50Hz | Global 3-phase compatibility (220V – 600V) |
| Control Interface | – | Push-button Station | PLC / HMI / Remote / Auto-Linkage |
| Surface Finish | – | Industrial Coating | Shot blasting + High-durability finishes |
High-Capacity Multi-Stage Linkage: Engineered for significant vertical travel while maintaining a stable load-bearing profile through a multi-tier scissor configuration.
Heavy-Gauge Structural Steel: Fabricated with high-tensile Q345B steel members to minimize structural deflection and withstand the high torsional stresses of heavy-industry operations.
Precision Hydraulic Synchronization: Utilizes heavy-duty cylinders and flow-compensated manifolds to ensure level lifting across the entire platform, even under non-centered load conditions.
Integrated Maintenance Support Pillars: Equipped with high-visibility mechanical lock-out pillars to ensure technician safety during inspection and routine maintenance (as seen in the structural configuration).
Hardened Pivot Engineering: Features oversized, heat-treated pins and self-lubricating bushings at all pivot points to reduce friction and maximize the service life of the moving mechanism.
Safety-First Hydraulic Logic: Includes emergency lowering valves and pressure-compensated burst-protection valves to prevent uncontrolled platform descent in the event of power loss.
Industrial-Grade Surface Protection: Treated with shot-blasting and high-durability anti-corrosion coatings to resist wear and environmental exposure in harsh factory or warehouse conditions.
Heavy Industrial Material Flow: Facilitating the vertical transfer of heavy raw materials and finished goods between different floor elevations in steel mills and fabrication plants.
Production Line Height Integration: Bridging the height gap between incoming material storage and elevated processing lines, ensuring a continuous and synchronized workflow.
Maintenance for Heavy Machinery: Providing a high-capacity, stable platform for technicians to access and service large-scale industrial equipment at various heights.
Loading Docks and Logistics Hubs: Ideal for loading and unloading heavy oversized cargo from transport vehicles to warehouse floors where traditional dock levelers are insufficient.
Foundry and Casting Operations: Managing the precise positioning and vertical movement of heavy molds and castings during the manufacturing process.
Railway and Automotive Facilities: Used for the vertical movement of heavy sub-assemblies and structural components during the production or maintenance of rolling stock and large vehicles.
For this heavy-duty series, we can engineer load capacities up to [300] tons, with platform dimensions and lifting heights customized to your operational envelope. Requirements exceeding our standard engineering matrix will undergo a Finite Element Analysis (FEA) by our engineering team to ensure structural viability before proposing a solution.
To initiate the engineering proposal, please provide the following baseline data:
Rated Load Capacity
Maximum Lifting Height & Closed Height
Platform Dimensions (L x W)
Duty Cycle (e.g., operational cycles per hour/day)
Environmental Conditions (e.g., indoor/outdoor, washdown, explosion-proof)
Pit depth or overhead clearance constraints
Yes. The control systems can be equipped with standard communication protocols (e.g., Profinet, Modbus, Ethernet/IP) utilizing [Siemens / Allen-Bradley / Omron] PLCs. This ensures seamless I/O signal synchronization with upstream/downstream conveyors, AGV/AMR units, and your central control room.
Every custom unit undergoes a mandatory Factory Acceptance Test (FAT) prior to dispatch. This includes continuous operational testing at 100% rated load, static overload testing at [120% / 125%] capacity, and the physical triggering of all mechanical anti-fall and hydraulic safety interlocks. FAT documentation and video proof are included in your engineering package.
Upon final approval of the General Arrangement (GA) drawings, the manufacturing lead time is typically 4 to 8 weeks. Oversized structural components are engineered with a modular design to fit into standard shipping containers (20FT/40HQ). On-site assembly utilizes pre-engineered bolted flange connections and heavy-duty aviation plugs, strictly eliminating the need for field welding.
We provide a standard [12/24]-month warranty covering the structural frame and primary hydraulic/electrical components. To minimize operational downtime, a comprehensive set of standard consumables (e.g., cylinder seal kits, travel switches, relays) is shipped alongside your equipment. During the warranty period, replacement parts for non-human-induced failures are dispatched via priority air freight (DHL/FedEx) within 48 hours.
Beyond the warranty, we guarantee lifetime engineering support. Your custom equipment's CAD drawings, electrical schematics, and BOM (Bill of Materials) are permanently archived in our system. This ensures you receive uninterrupted remote troubleshooting, maintenance guidance, and exact spare parts matching for the entire lifecycle of the equipment.
Gradin Machinery is a leading manufacturer specializing in aerial work platforms and hydraulic lifting solutions. With ISO & CE certifications, we provide safe, reliable, and customized equipment for global industrial needs
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