gantry crane calculation method: Section Method

gantry crane calculation method: Section Method
 Winding calculation: Line frame by bending moment diagram chord distribution, the maximum span moment. Respectively, in the vertical plane and the horizontal plane is calculated. Beam weight allocated by node. Hoists and  hoist gantry crane   were acting cantilever end and cross, in order to focus. Dynamic load factor of K1 = 1.2, overload factor can take K2 = 1.25 (based on usage to determine whether to take the value). Vertical and horizontal axial force is calculated, and then the synthesis. Horizontal plane by the wind load and the load hoist horizontal force deflection combination.

      overhead gantry crane   manufacturers feel the level of force deflection hoists from 5 degrees yaw angle. Wind load frame and hanging by a line consisting of heavy windward side. Rated capacity 5 tons when: lifting the windward side is 8 meters. Lifting capacity 10 tons when: lifting the windward side is 10 square meters. Selected maximum axial force, for the calculation of the stability lever. Double angle should be considered in both directions. Allowable slenderness ratio: 120. Allowable stress (II load): 180Mpa.