post：071100 phone：086-312-8151888 fax：086-312-8152688 handset：13731254999 website：http://juliqizhong.com E_mail：firstname.lastname@example.org Adress:Donglv Economic Development Zone,Qingyuan County,Hebei P.R. China
The type of gantry crane
Gantry crane gantry structure is generally based on the main girders, spreader classified form.
(2) main beam structure divided by (a) single-girder gantry crane: single girder gantry crane cantilever simple structure, manufacture and installation of convenience, its mass is small, the main beam over the rail box-shaped frame structure. And double-girder gantry crane, compared to weaker overall stiffness. Therefore, when the starting weight Q ≤ 50t, span S ≤ 35m, we can use this form. Single girder crane main door gate legs are L-and C-type in two forms. L-type of manufacture and installation of convenience, good mechanical condition , its mass was smaller, but, lifting cargo space through the legs relatively small number of Department. C-type legs raked or curved shape designed to have more horizontal space to make the goods pass the feet. (b ) double girder overhead double girder overhead crane load capacity, span, overall stability, variety, quality and the same, but from the weight of its own single-girder gantry crane to be bigger than, and higher cost . According to the main beam structure is different, can be divided into box girder and truss forms. now more commonly used box structure.