An SJD enclosed cargo lift integrates a heavy-duty vertical transport platform within a dedicated, full-height safety hoistway to isolate multi-ton payloads from active facility personnel. Open-shaft lifting in high-traffic manufacturing or logistics zones creates severe liability risks from falling debris and accidental contact with moving mechanical components. Gradin engineers these protected SJD VRCs by surrounding the dual-mast structural frame with interlocked steel-mesh or solid-panel enclosures that synchronize directly with the onboard PLC and landing gates. This strict electromechanical architecture ensures the carriage cannot cycle unless all perimeter access points are mechanically sealed and electronically verified. Every enclosure height, carriage dimension, and guide rail profile is custom-calculated to match your specific facility footprint and strict industrial safety compliance protocols.
Product Specifications
| Technical Parameter | Standard Range | Maximum Customization |
| Load Capacity | 500 kg — 5,000 kg | Up to 100,000 kg (100 Tons) |
| Lifting Height | 2,000 mm — 12,000 mm | Up to 30,000 mm (30 Meters) |
| Platform Dimensions | 1500 * 2000 mm | Fully Tailored to Shaft Size |
| Door Configuration | Manual Mesh Gate | Automatic Rolling Shutter / High-Speed Door |
| Lifting Speed | 4 — 6 m/min | High-Speed Inverter Options |
| Control Interface | Push Button Station | PLC / Remote / Full Automation |
| Power Source | 380V / 220V / 415V | Explosion-proof / Global Voltages |
The Gradin SJD Enclosed Cargo Lift is a powerful and highly secure industrial lifting solution, specifically engineered for the safe and efficient vertical transport of heavy and valuable goods. Its fully enclosed design provides unparalleled cargo protection and operator safety across multiple floor levels.
This advanced lift integrates robust construction with intelligent control and comprehensive safety features, ensuring reliable performance in demanding industrial environments. The Gradin SJD Enclosed Cargo Lift is the definitive choice for businesses prioritizing extreme capacity, uncompromised security, and precision in their vertical logistics.
Massive Load Capacity up to 50 Tons with Heavy-Duty Custom Engineering: The Gradin SJD Enclosed Cargo Lift offers an impressive payload capacity, custom engineered for heavy-duty tasks up to 50 Tons. This exceptional capability makes it ideal for transporting extremely large and weighty industrial equipment, raw materials, or finished products with unwavering stability.
Full Protection Enclosed Cabin with Automatic Rolling Shutter Door: Ensuring maximum cargo safety, this lift features an enclosed cabin equipped with an automatic rolling shutter door. This design safeguards valuable goods from environmental elements, damage, and unauthorized access, providing secure transport throughout its vertical travel.
Reliable Vertical Travel Height Available Up to 30 Meters: Excelling in multi-story facilities, the Gradin SJD Enclosed Cargo Lift offers reliable vertical travel available up to an impressive 30 Meters. This extensive lifting height provides efficient access to numerous floor levels, high-bay storage areas, and elevated production lines, enhancing operational versatility.
Smart Siemens PLC Control System with Precise Multi-Floor Leveling: The lift integrates a sophisticated Siemens PLC system for smart and precise control. This advanced system ensures accurate multi-floor leveling within millimeters, guaranteeing seamless loading and unloading operations and optimizing complex logistical sequences.
Full ISO & CE Certified Compliance with Integrated Safety Interlock Protection: The Gradin SJD Enclosed Cargo Lift is fully ISO & CE Certified, guaranteeing adherence to stringent international quality and safety standards. It features integrated full safety interlock protection, preventing operation unless all conditions are met, thus ensuring a secure working environment in line with global INDUSTRIAL SAFETY STANDARDS .
Heavy Industrial Manufacturing & Assembly: Ideal for vertically transporting colossal machinery, heavy components, and large work-in-progress items between various production and assembly floors. Its high load capacity and enclosed design ensure safe and continuous material flow in demanding industrial settings.
Automotive & Aerospace Manufacturing: Indispensable for the secure vertical movement of vehicle chassis, engine blocks, aircraft sections, and sensitive tooling within multi-level manufacturing or storage facilities. The enclosed cabin protects high-value components from environmental factors and potential damage.
Warehousing & Logistics for High-Value/Sensitive Goods: Crucial for the safe and protected transport of high-value inventory, delicate equipment, or sensitive materials across multiple storage levels. The full enclosure adds an essential layer of security and environmental control.
Ports, Terminals & Heavy Equipment Yards: Perfect for lifting large and heavy loads like containers, specialized equipment, or oversized cargo between different operational levels or onto elevated platforms. Its robust construction and high capacity are designed to withstand challenging outdoor or industrial environments.
Multi-Story Commercial & Retail Complexes (Back-of-House): Facilitates the discreet and secure movement of bulk stock, large display units, and supplies between multiple retail floors and receiving areas. The enclosed design and smooth operation minimize disruption, complementing a broad array of HYDRAULIC CARGO LIFTS .
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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