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Single Girder Gantry Cranes are used for material handling  (loading, unloading or grabbing materials) processes in small production units and are operated on floor-mounted rails. The headroom of single girder gantry cranes is normal or low and these can be fitted in different floor areas. Single girder gantry cranes are fitted with crane-duty motors and are suitable & compatible for frequent starting, reversing and braking.

 Our single girder gantry cranes are designed by qualified engineers and manufactured by qualified boilermakers, electricians and fitters. What’s more, we can design according to your requirement and also can supply you with the technology to weld the girder in your country. Single girder gantry cranes consist of a main girder, two-legged A-frame support, possible cantilevers, bottom-end beams, an electric hoist and electric control. The cranes are modular in design and have the advantages of easy installation and maintenance with reliable operation, fuseless circuitry, ducted wiring and compact terminals. Ramhoist can design and fabricate all types and sizes of gantry cranes as we know the rated load, crane’s span and lifting height, like full gantry cranes, semi-gantry cranes and portable gantry cranes, including, single girder, double girder, single leg, double leg, and cantilever styles for indoor or outdoor service.

 Single Girder Gantry Cranes are self-propelled cranes running on rails and travelling along the rails installed at ground level or set into the floor, they are rail-operated or track travelling small and medium-sized lifting equipment, the utility model is an ideal choice for indoor and outdoor lifting operations. They also can be used together with other lifting appliances for special purposes. 

Double girder gantry cranes normally with hooks are used for loading, unloading and moving materials which adopt the latest technologies and optimum grade raw materials. Double girder gantry cranes are designed with fixed rails on the ground and different height legs travelling in both directions, trolley mechanism running on double beam, and hoisting mechanism lowering and raising loads. Our double girder gantry cranes can also carry out some special operations by being equipped with various special lifting tools such as grab or electromagnetic chunk (lifting magnet), or simultaneously use with two or three.

 Double girder gantry cranes are composed of a gantry, crane crab, trolley travelling mechanism, cab and electric control system. Outdoor operation gantry cranes are also equipped with rail clamps, weight restriction devices, limit devices, anchor devices, anemometers, and corrective devices as required. These components’  advantages are all introduced in the back. What’s more, most gantry cranes’  installations are outdoors and open space applications.

 Double girder gantry cranes are adapted to applications where overhead runways would be not possible, costly to erect and difficult to maintain in alignment. A gantry crane can be moved to new locations with less trouble and expenses than an overhead crane and its runway where the installation is only temporary. It is similar to a top-running overhead crane except for the bridge which is supported by legs and the rails are at ground level. It is an excellent alternative for permanent overhead travelling cranes inside of factories (indoor overhead cranes), the additional leg structure makes the crane more expensive but this is offset by the considerably cheaper low-level rails, also it is comparatively easy and inexpensive to extend and increase the length of the runway/track thus makes the advantage more apparent, the working area of cranes then enlarged and enable them particularly suitable to work for large outdoor stockyards. Generally speaking, it minimizes investment in new buildings by eliminating the need for increased foundational and structural considerations. What’s more, safety hazard arising from travelling on low-level rails is taken care of easily compared to the obstruction caused by the building structure columns. It also can be disassembled and moved to a new location easily.

Double girder gantry cranes normally with hooks are used for loading, unloading and moving materials which adopt the latest technologies and optimum grade raw materials. Double girder gantry cranes are designed with fixed rails on the ground and different height legs travelling in both directions, a trolley mechanism running on a double beam, hoisting mechanism lowering and raising loads. Our double girder gantry cranes can also carry out some special operations by being equipped with various special lifting tools such as grab or electromagnetic chunk (lifting magnet), or simultaneously use with two or three.

 Double girder gantry cranes are composed of a gantry, crane crab, trolley travelling mechanism, cab and electric control system. Outdoor operation gantry cranes are also equipped with rail clamps, weight restriction devices, limit devices, anchor devices, anemometers, and corrective devices as required. These components’  advantages are all introduced in the back. What’s more, most gantry cranes’  installations are outdoors and open space applications.

 Double girder gantry cranes are adapted to applications where overhead runways would be not possible, costly to erect and difficult to maintain in alignment. A gantry crane can be moved to new locations with less trouble and expenses than an overhead crane and its runway where the installation is only temporary. It is similar to a top-running overhead crane except the bridge is supported by legs and the rails are at ground level. It is an excellent alternative for permanent overhead travelling cranes inside of factories (indoor overhead cranes), the additional leg structure makes the crane more expensive but this is offset by the considerably cheaper low-level rails, also it is comparatively easy and inexpensive to extend and increase the length of the runway/track thus makes the advantage more apparent, the working area of cranes then enlarged and enable them particularly suitable to work for large outdoor stockyards. Generally speaking, it minimizes investment in new buildings by eliminating the need for increased foundational and structural considerations. What’s more, safety hazard arising from travelling on low-level rails is taken care of easily compared to the obstruction caused by the building structure columns. It also can be disassembled and moved to a new location easily.

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