Pre-inspected topkit, flat-top, and 2-ton (2000 kg/cage) SC200 series passenger & material construction hoists ready for multimodal export.
Deconstructing the mechanics, kinematic safety envelopes, and drivetrain efficiencies governing high-rise SC200 rack-and-pinion and QTZ lifting dynamics.
Modern 2-ton (2000 kg capacity per cage) hoists employ helical-bevel triple-drive motor groups regulated by variable frequency drives (VFD). This mitigates inrush current spikes, eliminates kinematic jerk, and achieves leveling precision within ±3 mm at transit velocities up to 96 m/min.
Certified factory installations include SAJ30 or SAJ40 centrifugal arrestor units. If downward descent rates exceed nominal thresholds (typically by 1.2 m/s), high-friction cone drums actuate progressively, arresting a full 2000 kg load within 0.2 to 1.4 meters to prevent dynamic structural collapse.
Fabricated using Q345B seamless alloy tubing or cold-formed channel steel, our 650×650×1508 mm standard mast sections resist torsional flutter. Precision CNC drilling ensures rack pitch alignment (±0.2 mm cumulative error), minimizing pinion wear over multi-year deployments.
| Specification Parameter | SC200 Standard Hoist (2.0 Ton) | SC200/200 Dual-Cage (2×2.0 Ton) | QTZ100 Tip/Hoist Integration |
|---|---|---|---|
| Rated Hoist Load (kg) | 2,000 kg (Single Cage) | 2 × 2,000 kg (Independent) | 6,000 kg max / 1,300 kg tip |
| Nominal Lifting Speed | 0 - 46 m/min (Standard VFD) | 0 - 96 m/min (High-Speed Turbo) | 80 m/min (Variable Reevings) |
| Mast Steel Grade | Q345B High-Tensile Structural | Q345B Cold-Formed Seamless | Q345B Welded Latticed Angle |
| Motor Drivetrain Config | 2 × 11 kW or 3 × 11 kW | 6 × 11 kW (Triple per cage) | 37 kW / 45 kW Winding Drum |
| Safety Device Calibration | SAJ30-1.2 Progressive Arrestor | Dual SAJ40-1.4 Micro-Interlocked | RCI, Moment, & Slewing Limiters |
From seismic mega-developments to coastal industrial complexes, lifting equipment must be engineered for regional regulatory frameworks and climate conditions.
Units deployed across Indonesia, Vietnam, and Malaysia are subjected to tropical damp-heat environments. Zhongqiang supplies cages treated with high-micron hot-dip galvanization and electrical cabinets sealed to IP65 specifications with internal de-humidistat heating rods to prevent insulation breakdown.
In high-ambient operating theaters like the UAE and Saudi Arabia, equipment operates in temperatures exceeding 50°C. Gear reducers utilize specialized high-viscosity synthetic lubricants, while variable speed drives feature heavy-duty dust air-filtration cassettes to ensure uninterrupted duty cycles.
For destinations governed by EN 12158, CE standards, or OSHA/ANSI A10.4, our factory engineering provides interlocked door monitoring switches, dual overload detection load-cells, certified secondary mechanical drop limiters, and comprehensive English electrical schematics.
How Huaian Zhongqiang ensures reliability through on-site diagnostic protocols, physical warehouse operations, and streamlined multimodal export pipelines.
Before container loading, ultrasonic flaw detection and magnetic particle testing are conducted across critical structural welds, mast collar pins, and slewing track assemblies to guarantee zero hidden micro-fractures.
Operating out of Huai'an, Jiangsu, our physical staging base holds tier-one machinery ready for visual audit, pre-commissioning power-ups, and live buyer streaming sessions prior to final bill-of-lading confirmation.
By holding native customs registration and National Level-2 industrial qualifications, Zhongqiang issues direct commercial documentation, clean Certificate of Origin (Form E/CO), and accepts secure documentary letters of credit.
Anticipating structural shifts in vertical transport through telematics, motor efficiency standards, and autonomous collision avoidance systems.
Real-time IoT sensors streaming vibration signatures, motor winding thermal curves, and brake lining wear to edge controllers, alerting safety personnel prior to component failures.
Transitioning from induction squirrel-cage designs to compact PMSM direct-drive systems, trimming power draw by up to 28% while improving low-speed torque delivery for smooth starts.
Cloud-integrated hoists synchronized with Site Information Modeling (BIM) architectures, automatically managing floor landing priorities based on delivery staging requirements.
Engineering how tower crane masts, hoist cages, and drivetrains survive ocean freight transitions without corrosion or transit distortion.
Mast sections are bundled with specialized composite strapping to preserve dimensional tolerances. Cages and drive units are secured into standard 40ft High Cube containers or open-sided Flat Racks using custom welded steel lugs and turnbuckles.
Machined components—including pin connections, slewing gear rings, and pinions—receive moisture-displacing wax coatings and heavy-duty VCI (Vapor Corrosion Inhibitor) plastic wrapping to safeguard against saline humidity during oceanic passages.
Every shipment is delivered alongside notarized commercial invoices, packing declarations, Bill of Lading sets, Mill Test Reports for structural steel, and original CE/ISO conformity documentation for streamlined port release.
In-depth responses to critical engineering, trade compliance, and operational queries from global contractors.
The SC200 designation specifies a rated payload of 2,000 kg (2.0 Metric Tons) per cage. When configured as an SC200/200, dual independent cages operate on a shared mast structure, effectively doubling passenger and material throughput up to 4,000 kg total payload without doubling the required footprint.
Every structural weld on mast chords, tie-ins, and cage chassis is subjected to non-destructive testing (NDT), including ultrasonic testing to assess structural fatigue. Pinion backlashes are measured via dial indicators, and slewing rings undergo clearance calibration before pre-shipment clearance.
Yes. Drive assemblies can be configured with transformers and native voltage motors. In addition, our advanced VFD-controlled electrical systems can accommodate input voltage fluctuations of ±10%, ensuring stable operation even under erratic site power profiles.
The SAJ anti-fall safety arrestor features a calibrated mechanical lifecycle. It must undergo an on-site dynamic drop test once every 3 months during project operation, alongside mandatory factory bench recalibration every 2 years under international safety protocols.
Explore our export-cleared inventory, spanning 2-ton high-speed vertical hoists to long-jib topkit workhorses ready for global deployment.
