الرافعات الجسرية المثبتة على السكك الحديدية، والمعروفة أيضًا باسم رافعات RMG، هي قطع أساسية من المعدات المستخدمة في مختلف الصناعات للتعامل بكفاءة مع المواد. توجد هذه الرافعات بشكل شائع في الموانئ والمحطات متعددة الوسائط ومرافق التصنيع.

The gantry crane is a bridge-type crane in which the horizontal bridge is set on two legs to form a gantry shape. This kind of crane operates on above-ground rails and is mainly used for transportation and installation operations in open storage yards, shipyards, power stations, ports and railway cargo stations.

These gantry cranes are mainly used for girder lifting, bridge transportation and bridge erection tasks in prefabrication plants and are equipped with special spreaders.

automated rail mounted gantry crane is composed of a number of parts and components, the use of these parts and components need to be assembled into a finished product.