Guidelines for Types and Solutions of Single Beam Cranes
Release Time：
2026-07-01
Author：
Summary: Single beam cranes are widely used for material lifting and handling in workshops, warehouses, open yards, and special production sites, featuring low cost, flexible operation, and space-saving design. This guideline sorts out common types, common fault solutions, and selection principles for reference:
Guidelines for Types and Solutions of Single Beam Cranes
Single beam cranes are widely used for material lifting and handling in workshops, warehouses, open yards, and special production sites, featuring low cost, flexible operation, and space-saving design. This guideline sorts out common types, common fault solutions, and selection principles for reference:
1. Common Types of Single Beam Cranes & Application Scenarios
| Type | Core Features | Applicable Scenarios |
|---|---|---|
| Electric Single Beam Overhead Crane (LD Model) | The most conventional type, driven by electric power, with a general load of 1 | Indoor factories, finished goods warehouses, medium and low frequency regular material handling |
| Manual Single Beam Overhead Crane (MD Model) | Small tonnage, manual traction/operation, low cost | Small infrequent handling scenarios, small repair workshops, and storage sites with limited power supply |
| Single Beam Gantry Crane (MH Model) | Supported by outriggers on ground rails, wind-resistant and rainproof, general load of 1~32t | Open storage yards, prefabricated component yards, outdoor construction sites, and bulk cargo handling |
| Explosion-proof Single Beam Crane (LB Model) | All core components are spark-proof and explosion-proof certified, conforming to hazardous area safety standards | Flammable and explosive environments such as chemical plants, oil depots, and grain silos with explosive dust |
| Suspension Single Beam Crane | Hung on the existing roof steel structure of the plant, no ground support rail is required | Lightweight handling on production lines, small tonnage (0.5~5t) scenarios with strict space requirements |
2. Common Faults & Targeted Solutions
| Fault | Possible Causes | Solutions |
|---|---|---|
| Cannot start or trips suddenly during operation | Overload tripping of protection device, loose power wiring, mis-triggered limit switch | 1. Reset overload protection after reducing the load; 2. Check and fasten loose wiring, eliminate short-circuit faults; 3. Readjust the limit switch position to avoid false triggering |
| Abnormal noise during operation | Lack of lubrication of reducer, worn gear/bearing, deformed track or sundries on track, loose connecting bolts | 1. Add lubricating oil per the maintenance schedule, replace severely worn gears/bearings; 2. Straighten deformed track and clear sundries; 3. Retighten all connecting bolts of the main structure |
| Jitter during lifting or cannot lift rated load | Improper brake clearance, worn brake pad, wire rope jamming, motor power fault, overload | 1. Adjust brake clearance, replace worn brake pads; 2. Rearrange the wire rope to eliminate jamming; 3. Overhaul the motor power supply and strictly prohibit overload operation |
| Wheel gnaws the track, running deviation | Uneven wheel wear, inaccurate installation positioning, bridge deformation, track installation deviation | 1. Adjust wheel installation spacing and alignment; 2. Replace severely worn wheels with inconsistent diameters; 3. Correct deformed main beams, readjust track levelness and parallelism |
| Premature fracture/wear of wire rope | Long-term overload operation, lack of lubrication, worn pulley groove, failure to replace after reaching wear limit | 1. Strictly prohibit overloaded lifting; 2. Lubricate the wire rope regularly every 1~2 weeks; 3. Replace the wire rope immediately when the number of broken wires/wear reaches the discard standard |
3. General Guidelines for Selection and Safe Use
- Parameter matching first: Confirm core parameters including maximum lifting weight, span, lifting height, working frequency (work level), and environment (indoor/outdoor, with or without explosion-proof demand, corrosive or not) before selection. Add rainproof protection and wind-resistant anchoring devices for outdoor use.
- Space optimization: For plants with low roof clearance, give priority to compact single beam cranes or suspension single beam cranes to save headroom.
- Safety configuration compliance: Mandatory configurations including overload limiter, lifting/travel limit switch, and emergency stop device must be equipped, and checked before each use.
- Regular maintenance: Implement daily pre-use inspection, monthly comprehensive inspection, and annual safety assessment, and establish maintenance records to replace vulnerable parts in advance to avoid safety accidents.
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