In industrial environments such as factories, warehouses, and equipment maintenance areas, space constraints often hinder traditional lifting equipment due to their bulky size and cumbersome operation. The electric chain hoist (Electric Chain Hoist) addresses these challenges through targeted design, prioritizing compact structure, precision control, and multi-layered safety, making it an efficient solution for confined-space handling. Below is a detailed analysis of its technical specifications and practical applications.
Traditional wire rope hoists require over 600 mm of vertical space for drum mechanisms. In contrast, electric chain hoists employ a dual-trolley and motor integration design, reducing body height to 230 mm (for 2-ton models) and minimizing the hook-to-beam distance to 270 mm—saving 46% vertical space. For instance, in a warehouse mezzanine with 2.5 m ceiling height, it can lift a 1.8 m pallet to a 2.4 m shelf, whereas traditional equipment maxes out at 2.1 m due to headroom limitations.
Material Engineering: The housing uses die-cast aluminum alloy or high-tensile steel via thin-wall extrusion. A 1-ton model weighs only 45 kg, over 50% lighter than equivalent wire rope hoists.
Chain System: Planetary gear reducers achieve >92% transmission efficiency (vs. 75% for worm gears). Gears undergo high-temperature quenching, enhancing wear resistance by 30%. The motor temperature rise remains below 60°C after 30 minutes of continuous operation.
Chain Storage: G80-grade alloy steel chains (breaking strength ≥800 MPa) with diameters of 7.1 mm (1-ton) or 11.2 mm (5-ton) coil into chain bags at bending radii <150 mm, significantly reducing horizontal footprint.
Dual Brakes: Electromagnetic brakes respond in <0.1 seconds for instant load locking; mechanical ratchets provide backup. Full-load braking slippage is <3 mm (industry standard: 15 mm).
Overload Protection: Powder metallurgy clutches disengage power automatically at 10% overloading, preventing motor burnout.
Dual-Speed Control: High speed (4.2 m/min) for rapid lifting; low speed (0.8 m/min) enables incremental adjustments with ±2 mm accuracy, ideal for aligning machinery components.
Low-Voltage Operation: 24V–36V explosion-proof pendants or wireless remotes (IP55 rating) ensure safety in humid or dusty environments.
Traditional Method: Scaffolding + 4 workers + manual chain hoist → 3 hours.
Chain Hoist Solution: Monorail suspension + 1 operator with wireless remote → 25 minutes (7× efficiency gain). Key advantage: 180 mm body width + 150 mm trolley wheelbase fits 1.2 m maintenance aisles.
Traditional Method: 4 workers carrying → 15 minutes/pallet → 25 hours for 100 pallets.
Chain Hoist Solution: Track mobility + single operator → 3 minutes/pallet → 5 hours total (5× efficiency). Key advantage: Low headroom enables 2.4 m lift height in 2.3 m clearance.
Traditional Method: Demolish machine room floor + tower crane → 2 days, $20,000 cost.
Chain Hoist Solution: Mounted on shaft beams → 4 hours, $3,000 cost (85% savings). Key advantage: Dual-hook synchronization (two × 3-ton hoists) controls tilt angle <1° at speeds ≤1.5 m/min.
Vertical Space: Max lift height = Clear height – Body height (230 mm) – Chain bag height – 200 mm safety margin.
Horizontal Clearance: Body width (180 mm) + Trolley wheelbase (150 mm) < Aisle width – 100 mm.
Load Matching: Actual weight × 1.25 ≤ Rated capacity (avoid marginal overloading).
Chain: Lubricate with lithium-based grease every 50 hours; replace if wear >5% or elongation >3%.
Gearbox: Replace ISO VG68 gear oil at 500 hours (initial), then every 1,000 hours.
Brake Test: Quarterly full-load braking test; adjust if slippage >5 mm.
Dense Production Lines: Navigates 1.2 m machine gaps via 100 mm-wide I-beam tracks, replacing parts without disassembly.
Oversized Irregular Loads: Dual-hook systems synchronize chain length/speed (≤1.5 m/min) to horizontally lift 12 m steel beams with <1° tilt.
Powerless Environments: Integrates manual trolleys for 1-ton material handling in temporary shelters without electricity.
Space Optimization: 230 mm body height and 150 mm trolley wheelbase access areas unreachable by traditional equipment.
Control Reliability: ±2 mm precision, dual brakes, and 10% overload tolerance balance speed and safety.
Maintenance Transparency: Clear wear thresholds (e.g., 5% chain wear) and lubrication cycles ensure long-term reliability.
For more information, feel free to contact us! We are happy to provide advice and tailor solutions for you!
We have 34 years of manufacturing experience and 12 years of export experience,business covers over 100 countries and regions worldwide, including Asia, Europe, America, Africa, and Oceania, forming a global product sales network.Received ISO system certification and CE product certification!
Our main products include 6 series of nearly 100 varieties, including electric hoists, electric winches, gantry cranes, bridge cranes, marine cranes, and gantry cranes.
E-mail: karida@weiyinglift.com
Website: www.wycrane.com
