Single-Side Freight Lift: 1-Ton Custom Shaft Platform in Japan

Country / Destination: Fukuyama City, Hiroshima Prefecture, Japan
Importing Partner: KIKAIYA Industrial Equipment (KIKAIYA-Wang)
Equipment Model: FZ-SGL-1T Customized Single-Side Freight Lift
Rated Load Capacity: 1,000 kg (2,204 lbs) continuous cargo lifting capacity
Platform Table Dimensions: $1, 800 mm \times 1, 400 mm$ ( $5.90 ft \times 4.59 ft$ ) with single-sided entry/exit flow
Lifting Travel Height: $4, 600 mm$ ( $15.09 ft$ ) vertical stroke (2 stops / 2 stations)
Power Grid Configuration: Japanese Industrial Standard 3-Phase, 200V AC, 60Hz
Equipment Aesthetic Finish: RAL6018 Vibrant Yellow-Green powder coating

This custom-engineered Single-Side Freight Lift has been deployed by our engineering team to maximize vertical material flow inside a highly restricted concrete hoistway in Hiroshima, Japan. Our importing partner, a well-known Japanese distributor of material handling and warehouse lifting machinery, required a heavy-duty, space-saving cargo elevator for their end-user’s distribution facility in Fukuyama City.

The installation site featured an extremely tight, pre-existing concrete shaft measuring only $1, 940 mm \times 1, 760 mm$ in clear space. To fit a standard vertical reciprocating conveyor inside such a narrow footprint, traditional dual-sided guide rail structures were impossible, as they would severely reduce the usable platform width.

To overcome this, we designed a single-sided cantilevered lift mechanism where both heavy 100H steel guide rails and the hydraulic cylinder are mounted on a single side wall. This leaves the remaining three sides completely free, maximizing the usable deck size to $1, 800 mm \times 1, 400 mm$ within the tight hoistway. The entire mechanical and structural safety package was certified in accordance with ISO 12100 safety standards .

Challenge & Solution

Challenge

The secondary major engineering challenge of this Japanese project was satisfying strict limits on pit depth and containerized shipping volume:

50mm Ultra-Shallow Pit Integration: The end-user’s concrete floor could not be deeply excavated due to subterranean foundation constraints. Standard hydraulic freight elevators often require pit depths of 300mm to 500mm. We optimized our bottom chassis framework to have a closed profile of zero above-floor height, requiring a concrete pit depth of only $50 mm$ (2 inches) to achieve a perfectly flush floor transition.
Container Shipping Volume Reduction: To minimize high ocean freight rates, the Japanese distributor required us to pack this complete, 4.6-meter travel platform alongside another machine inside a single, standard 20GP shipping container. We resolved this by fabricating the 100H guide rails in modular 3.8-meter segments that bolt together securely on-site, allowing the entire gantry structure to be packed flat without expensive wooden crating.
Complete Level 1 Safety Mesh Enclosure: To prevent warehouse workers from accidentally contacting the moving lift carriage, we engineered a modular diamond steel wire mesh enclosure around the ground floor (1F) hoistway boundaries, standing $3, 700 mm$ high. The front enclosure features a $1, 900 mm$ wide,
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 $2, 400 mm$  high frame designed to integrate seamlessly with the client's automated rolling shutter doors.
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Solution

Mechanical thrust is generated by a heavy-duty, low-noise 4.0 kW hydraulic pump station paired with a single, high-capacity $Φ70 - 50 mm$ cylinder. The lifting gantry (J160804 mm steel) is driven vertically by dual heavy LH1244 leaf chains. To prevent catastrophic failure, the platform is suspended by two redundant, high-tensile 12# safety anti-drop steel wire ropes ( $Φ12 mm$ ).

Because Fukuyama City operates on a unique 3-phase, 200V AC, 60Hz power grid, we engineered the electrical control system and motor windings specifically to match these Japanese grid requirements. The electrical controls operate on a low-voltage 24V safety loop, featuring two separate wired pendant controllers for both landings.

To maximize structural longevity in Japan’s highly humid seaside environment, we sandblasted all raw steel components before applying an ultra-durable, wear-resistant powder coating in RAL 6018 Yellow-Green. This finish prevents oxidation and maintains an attractive industrial appearance.

Prior to container loading, we pre-assembled and tested the entire single-sided lift in our factory courtyard, welding the J100504 mm lift frame directly to the platform checker plate to ensure a highly rigid, shake-free transit. If your tight mezzanine layout requires a customized, space-saving Single-Side Freight Lift, please contact our engineering team to receive a free, factory-direct design consultation.

Technical Specifications

Parameter	Delivered Specification / Value (FZ-SGL-1T)
Model Designation	FZ-SGL-1T Custom Single-Side Freight Lift
Rated Load Capacity	1,000 kg (2,204 lbs) continuous operational cargo payload
Platform Table Dimensions	$1, 800 mm \times 1, 400 mm$ ( $5.90 ft \times 4.59 ft$ ) [Single entry/exit flow]
Lifting Stroke Height (Travel)	$4, 600 mm$ ( $15.09 ft$ ) travel stroke (2 stops / 2 stations)
Total Concrete Hoistway Size	$1, 940 mm \times 1, 760 mm \times 7, 800 mm$ ( $6.36 ft \times 5.77 ft \times 25.59 ft$ )
Concrete Pit Depth Required	$50 mm$ ( $1.96 in$ ) ultra-shallow pit for flush floor transition
Guide Rail Columns Specification	Dual 100H heavy structural steel columns mounted on single side wall
Hydraulic Lift Cylinder	Single cylinder, Bore/Rod: $Φ70 - Φ50 mm$
Chain Drive Specifications	Dual heavy LH1244 leaf chains
Emergency Anti-Drop Wire Ropes	Dual 12# heavy steel wire ropes ( $Φ12 mm$ diameter)
Hydraulic Pump Motor Power	4.0 kW with integrated flow-control speed throttle
Lifting Carriage Structure	High-strength welded rectangular steel J160804 mm
Lift Frame Mast Material	High-strength welded rectangular steel J100504 mm
Platform Deck Plate Thickness	4 mm (0.15 in) Solid Anti-Slip Checkered Steel Plate
Level 1 Hoistway Safety Enclosure	H=3700 mm diamond steel mesh; Level 1 door opening: W1900 x H2400 mm
Wired Operation Controls	2 Units low-voltage (24V) handheld wired button controllers
Electrical Power Input Grid	3-Phase, 200V AC, 60Hz (Japanese Industrial Power Standard)
Equipment Protective Color	RAL6018 Yellow-Green Industrial Gloss Finish

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Single-Side Freight Lift: 1-Ton Custom Shaft Platform in Japan

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