Gantry Crane

● Contract, Evaluation Documents, Drawing, Production Instructions, Installation Scheme, Material Quality Specification, Product Quality Checking Sheet, Welded Seam Detection Report, Quality Certificate of Purchased Parts.
● Appearance file: Instruction, Installation scheme, Quality Certificate, Checking and Acceptance Report.

The gantry crane which belongs to the large-scale equipment, requires high safety and easy to cause heavy casualties must be installed by professional staff or guided by professional. The basic procedure is as following:
●  Install the rail
●  Assemble the crane structure
●  Choose the lifting equipment according to the part weight
●  Ground assembly
●  Lifting the support legs
●  Assemble the main girder in the ground
●  Lifting the main girder
●  Install the end crossbeam
●  Lifting the trolley mechanism
●  Assembly the other parts
●  Carry the preliminary test

After assembly, the geometry dimension, perpendicularity, levelness and deflection must be checked in the following ways:
● The wheels span deviation: S＜10mm
● The main girder deflection: AF=（0.9/1000～1.4/1000）
● The diagonal difference of main girder:（D1-D2）≤5mm
● The side curvature of main girder: AFP≤S/1200
● The trolleys’ gauge difference: Both sides: ±2mm Midpoint: S≤19.5mm
● Adjust the wheels (Parallelism, perpendicularity, apposition)