Crane Rail installation is a project with extremely high precision and safety requirements. It directly affects the crane's operational stability, rail service life, and equipment safety. Improper handling during installation can easily cause gauge deviation, track settlement, or crane operation vibration.
QU crane rail specifications
| Rail Type | SIZE(mm) | theoretical weight | |||||||||
| height | bottom width | head width | waist depth | ||||||||
| Crane rail | QU70 | 120 | 120 | 70 | 28 | 52.8 | |||||
| QU80 | 130 | 130 | 80 | 32 | 63.69 | ||||||
| QU100 | 150 | 150 | 100 | 38 | 88.96 | ||||||
| QU120 | 170 | 170 | 120 | 44 | 118.1 | ||||||
Therefore, the following key aspects should be emphasized during Crane Rail installation:
- First, the foundation construction must be stable and level. The rail is typically laid on reinforced concrete beams or steel structure beams. The foundation surface must have minimal flatness error and strength meeting design standards. An unstable or settling foundation will cause track level deviation, affecting crane operation accuracy.
- Second, strictly control gauge, elevation, and straightness. Gauge error (distance between two rail centers) must be within specified limits. Elevation error typically should not exceed ±1mm. Track longitudinal straightness requires inspection with precision instruments. Excessive deviation causes uneven wheel force or rail gnawing.
- Third, rail connections and fasteners must be secure and reliable. Connect rails using Fishplates or welding. Joints should be staggered to distribute stress. Rail fixation commonly uses Bolted Rail Clamps or Welded Rail Clamps, combined with Rail Pads to absorb impact and reduce vibration. Fasteners must be properly installed and regularly inspected to prevent loosening.
- Fourth, provide thermal expansion joints. Since Crane Rails are often used outdoors or in high-temperature workshops, steel rails expand and contract with temperature changes. Proper expansion joints prevent rail buckling or fracture, ensuring operational safety.
- Finally, after installation, perform track alignment and test run checks. Use laser measurement or instruments to check track level, vertical alignment, and straightness. Confirm errors meet design standards before commissioning.
GNEE RAIL professionally supplies various Crane Rail products, such as QU70, QU80, QU100, QU120 series steel rails, and provides complete rail fastener systems. We also offer technical guidance for track installation, on-site alignment, and custom processing services to ensure safe, stable, and efficient operation of the track system.
For detailed track installation solutions or product selection, please contact GNEE RAIL at any time.
