Shuttling 3000 kg palletized sub-assemblies to upper mezzanine tiers, the Gradin building-tied freight lift eliminates forklift bottlenecks through drive-through roll-in carriages, factory column clamp brackets, and interlocked safety gates.
Rated Payload Capacity: 3000 kg / 6600 lbs Safe Working Load (125% static proof-load tested to 3750 kg)
Carriage Work Deck: 2200 × 2500 mm (7.2 × 8.2 ft) drive-through deck with internal rub rails
Landing Access Format: Bi-parting interlocked mesh gates clearing narrow mezzanine aisles
Shaft Protection: Full-height yellow expanded diamond wire mesh enclosure with roof cover
| Technical Parameter | Engineering Specification (Delivered Baseline) | Application Engineering Scope (Configurable) |
| System Designation | Drive-Through Mezzanine Freight Lift | Turnkey mezzanine logistics elevation station |
| Operational Target | Factory raw material staging mezzanine | Engineered for walkie stackers, pallet jacks, and heavy totes |
| Delivered Payload | 3000 kg / 6600 lbs Safe Working Load (3750 kg proof test) | Scalable payload ratings engineered from 1000 kg to 10 tons |
| Platform Work Deck | Drive-through roll-in carriage (2200 mm W × 2500 mm L) | Deck dimensions sized to client container and skid footprints |
| Vertical Stroke Travel | 6500 mm continuous stroke (2 levels, 2 terminal stops) | Travel heights engineered to site mezzanine floor elevations |
| Tower Structure Tie-In | Exterior building gantry tie-in brackets | Structural clamp brackets engineered for plant I-beam profiles |
| Enclosure Protection | Full-height yellow diamond expanded steel mesh | Heavy diamond wire mesh, woven wire, or solid sheet panels |
| Landing Gate Setup | Bi-parting interlocked mesh landing gates | Manual swing gates, fast PVC roll-ups, or vertical acting doors |
| Lifting Drive Power | 7.5 kW low-noise hydraulic pump pack (380V/400V 50Hz) | Motor ratings matched to client lifting speed requirements |
| Lifting Linear Speed | 4 to 6 m/min steady hydraulic elevation rate | Constant-speed hydraulic or VFD variable-speed options |
| Safety Code Baseline | OSHA 1910.212 and ASME B20.1:2021 safety compliance | Built to meet OSHA, ASME, and plant EHS insurance audits |
| FAT Acceptance | Factory FAT proof load trial test (125% test: 3750 kg) | Multi-cycle dynamic proof load testing prior to crating |
| Surface Coating Tone | Sky blue carriage with safety yellow mesh cage | Corporate color matching or hot-dip galvanized finishes |
Pallet trucks roll direct onto the 4 mm non-skid checkered deck through a wide 2200 mm entrance aperture. The drive-through roll-in carriage platform incorporates side rub rails to prevent pallet impact against inner cage mesh. Staging technicians roll loaded pallet jacks in on one side and discharge across mezzanine levels without tight turnaround maneuvers.
Adjustable structural steel clamp brackets bolt the lift tower frame direct into factory building columns. These exterior building gantry tie-in brackets isolate vertical dynamic reactions from surrounding mezzanine walkways. By anchoring into primary plant I-beams, the tower framework preserves vertical alignment without demanding extensive ground excavation or subterranean shoring walls.
Electromechanical safety switches lock both swinging gate leaves during all vertical travel sequences. The bi-parting interlocked mesh landing gates clear floor space across narrow access aisles. Meeting OSHA 1910.212 and ASME B20.1:2021 personnel barrier protection criteria, magnetic sensors halt pump power if operators attempt gate entry prior to platform leveling.
Yellow powder-coated expanded steel mesh panels enclose the full vertical travel height to block dropped cargo hazards. Diamond pattern wire grids allow clear visual inspection of carriage travel while barring stray tools from entering the shaftway. Modular bolted flanges permit rapid field assembly alongside existing building decks without on-site cutting or welding.
Machinery fabrication plants transfer crated engine sub-assemblies and gearbox castings from receiving bays to elevated assembly decks. The lift handles continuous palletized freight cycles across multi-shift production runs, keeping forklift traffic isolated to ground aisles. Footplates anchor direct to reinforced concrete slabs with anchor bolts torqued to resist dynamic braking moments.
Structural steel stamping shops move strapped steel sheet packs and tooling dies to second-floor fabrication mezzanines. Raw material staging operations utilize the drive-through deck to accelerate overhead crane offloading without turning equipment inside the shaft. Gantry towers bolt into building structural beams, maintaining true vertical alignment despite vibration from nearby stamping presses.
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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