Mobile High-Density Storage System | Engineering & Sourcing Guide
The Mobile High-Density Storage System mounts heavy-duty shelving carriages onto floor-anchored steel tracks to eliminate fixed service aisles.
Space Metric: Recovers 50% floor space or doubles storage capacity within an identical footprint.
Core Architecture: Modular cold-rolled steel carriages, mechanical-assist or electromechanical drives, and precision ground tracks.
Max Payload: Up to 4,000 kg per single-face mobile carriage section.
Operating Principle
Torque Transmission: Rotating the crank handle or pressing the control button transfers torque through an alloy steel drive shaft and self-aligning ball bearings.
Track Traction: Dual-flanged steel wheels travel along solid carbon steel ground tracks, preventing carriage skewing.
Aisle Activation: Operators open only the required access aisle; all other shelving blocks collapse together.
Technical Specifications
|
Parameter |
Specification Details |
|
Carriage Dimensions |
Length: 1,000–6,000 mm; Height: 2,000–3,000 mm |
|
Load Capacity (UDL) |
Up to 1,000 kg/m² per deck; max 4,000 kg per carriage |
|
Track Profile |
Solid 20mm × 20mm cold-drawn carbon steel (Q345B) or flush channel tracks |
|
Drive Systems |
Mechanical Chain-Assist (Ratio 1:2.7) / PLC Electric Drive (0.1m/s) |
|
Surface Treatment |
Acid pickling, zinc phosphating, electrostatic powder coating (80μm, ASTM B117) |
|
Structural Steel |
Cold-rolled carbon steel (SPCC / JIS G3141), 1.2mm–3.0mm thickness |
Storage Capacity
Footprint Ratio: Reduces required floor area by 50% for equivalent inventory volumes.
Aisle Efficiency: Replaces multiple static aisles with a single movable access aisle serving up to 12 carriages.
System Structure & Safety
Anti-Tip Mechanics: Heavy-gauge floor anchors and outrigger stabilizers resist eccentric load uplift forces.
Overload Protection: Integrated shear pins and electronic current limiters prevent mechanical jams.
Access Control: Mechanical floor locks secure carriages during loading. Motorized variants utilize active infrared light curtains and emergency stop buttons.
Warehouse Integration & Applications
Heavy Parts Warehousing: Industrial tooling, automotive components, and raw materials.
Archival Storage: Government ledgers, corporate tax files, and legal documents.
Healthcare Logistics: Sterile surgical trays, pharmacy inventory, and cold-room reagents.
Museum Collections: Compact artifact storage drawers and rolled textiles.
Customization, Installation & Project Delivery
Layout Engineering: CAD shop drawings and structural load distribution reports provided per room blueprints.
Track Installation: Surface ramps or flush-embedded grouted tracks installed with laser-leveling tolerances within $\pm 1.5$ mm per 10 meters.
Commissioning: Drive shaft alignment, chain tension testing, and load verification prior to handover.
Manufacturer Qualification
Production Assets: CNC laser cutting machines, robotic press brakes, automated progressive stamping, and powder coating lines.
Quality Verification: Ultrasonic weld inspections, ASTM B117 salt spray tests, and gearbox cycle durability tests.
Compliance: ISO 9001, ISO 14001, and CE/UL certified electrical components.
FAQ
Q: What sub-floor specifications are required for installation?
A: Reinforced concrete with a minimum compressive strength of 25 MPa (C25/30) and a thickness of at least 150 mm to support concentrated track point loads.
Q: How do motorized systems prevent crushing hazards in open aisles?
A: Infrared photoelectric safety sensors run parallel to the carriage base. Breaking the light beam instantly halts carriage movement.
Q: Can tracks be installed on uneven concrete floors?
A: Yes. Surface-mounted tracks use adjustable leveling shims to compensate for minor sub-floor gradients within strict rolling tolerances.
Q: When should we choose mechanical-assist versus electric drives?
A: Mechanical-assist is ideal for manual operation up to 4 tons without power wiring. Electric drives suit carriages over 5,000 mm or high-frequency access facilities.
Q: What is the standard production lead time and shipping method?
A: Production lead time is 25 to 35 days. Components ship Completely Knocked-Down (CKD) in heavy-duty plywood crates.
Q: What documentation is provided for engineering review?
A: Architectural layout shop drawings, structural load distribution diagrams, point-load calculation sheets, and installation manuals.
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