This series of lifting machinery is fully manufactured in accordance with JB/T5897-2006 industrial standards for explosion-proof overhead cranes. Two mainstream explosion-proof ratings ExdⅡBT4 and ExdⅡCT4 are available for selection. It covers working loads from 1 ton to 20 tons and spans ranging from 7.5 meters to 31.5 meters, and can steadily operate within an ambient temperature scope of -20℃ to 40℃.
This overhead crane can be matched with BCD, BCDS, HB, HBS and other series explosion-proof electric hoists. As compact, high-efficiency rail-mounted lifting machinery for medium and small load demands, it serves risky industrial zones filled with combustible gas, flammable dust and explosive mixed substances. Typical applicable hazardous media include methane, acetylene, ethylene, ammonia, carbon monoxide and ethanol, covering refineries, petrochemical plants, fuel filling stations and similar high-risk sites.
System Components
The LB explosion-proof single girder overhead crane is assembled with four core modules: crane long-travel assembly, trolley cross-travel assembly, vertical hoisting unit and complete explosion-proof electrical system. End-mounted travel supports carry the entire overhead frame on factory elevated rails, enabling longitudinal movement to expand the overall working coverage. The explosion-proof hoist trolley travels horizontally on the main girder tracks to realize flexible, pinpoint lifting positioning. All electrical assemblies adopt fully flameproof construction that meets rigorous explosion-proof specifications to eliminate ignition risks in explosive atmospheres. Boasting a streamlined compact layout and stable running performance, the crane adapts to diverse high-risk industrial working conditions.
The LB explosion-proof single girder overhead crane is tailor-made for sites containing explosive gas and dust mixtures. It has broad application value across military manufacturing plants, ammunition depots, petroleum processing bases, petrochemical workshops, underground coal mines, chemical factories and aerospace production facilities. It executes secure and high-efficiency cargo hoisting tasks inside indoor workshops and storage yards. The equipment excels at transporting combustible raw materials such as petroleum derivatives, chemical reagents and natural gas supplies, completing all lifting procedures under stringent safety benchmarks and acting as essential handling equipment for all explosion-prone working environments.
Custom LB Explosion-Proof Single Girder Overhead Crane Solutions
Weihua Crane delivers comprehensive tailor-made LB explosion-proof single girder overhead crane solutions targeting petrochemical, chemical, mining and other flammable hazardous production sites. Equipped with stable load capacity and precise handling performance, these customized cranes support safe transportation of dangerous industrial materials.
All core specifications including lifting tonnage, bridge span, vertical lifting height and track spacing can be adjusted flexibly to fit various factory layouts and explosion-proof lifting standards, realizing consistent efficient and risk-free operation within high-danger work zones.
Optional Configurations
All-electric and hybrid trolley driving schemes
Intelligent automatic control system and wireless remote operation device
Anti-sway and high-precision positioning module for dangerous cargo lifting
Low-consumption driving assemblies with regenerative braking function
Custom structural design compatible with special workshop runway layouts
Our professional technical design team prioritizes high working efficiency, full safety protection and extended service life, delivering state-of-the-art explosion-proof lifting solutions for contemporary chemical, petrochemical and mining industrial material handling projects.
| Span (m) | 7.5 | 10.5 | 13.5 | 16.5 | 19.5 | 22.5 | 25.5 |
| Capacity (t) | 1~31.5t | ||||||
| Total weight (kg) | 1781~12086 | ||||||
| Trolley weight (kg) | 405~740 | ||||||
| Max. Wheel load (kn) | 13.5~90.94 | ||||||
| Travel rail | P24~P43 | ||||||
| Lifting speed (m/min) | 0.8/5 | 0.8/5 | 0.8/5 | 0.8/5 | 0.8/5 | 0.8/5 | 0.8/5 |
| Lifting height (m) | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 |
| Total motor power (kw) | 4.31 | 4.31 | 4.31 | 4.31 | 4.67 | 4.67 | 4.67 |
| Crane speed (m/min) | 3-30 | 3-30 | 3-30 | 3-30 | 3-30 | 3-30 | 3-30 |
| Trolley speed (m/min) | 2-20 | 2-20 | 2-20 | 2-20 | 2-20 | 2-20 | 2-20 |
| Working duty | M5/A5 | ||||||
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