Welcome to consult mg double girder overhead crane supplier price and quotation with Henan Dowell Crane Co.,Ltd, which is one of the leading mg double girder overhead crane supplier manufacturers and suppliers in China, and we can offer you customized products.Product Details    Parameters:       Capacity: 5-900 tons       Span: 7-30 meters       Lifting height: 6-20 meters       Cantilever: Optional as your request       Work duty: A5-A8      Safety system (include but not limited to): Overload protection deviceLimit switchPhase loss protectionOver current protectionEmergency stop systemBrief introduction:Double girder bridge building gantry crane is widely used in outdoor warehouse, stock yard, railway freight station, harbor and moreCharacteristics of MG double girder gantry crane include high space utilization, large range of operation, wide application and strong commonalityMG gantry crane is mainly comprised of gantry frame, trolley, long traveling mechanism, electric parts and cabin.Product details:Box-shaped gantry is made of well-chosen steel and processed by advanced technology, so gantry of high intensity, rigidity, toughness and long lifespanOn gantry are laid the rails for cross travel and electrical cabinetCantilevers can be added for wider work rangeTrolley is comprised of motors for lifting and traveling, brake, reducer, coiling block and electric power transmission deviceWeather enclosure is set up to protect the inside components from wastage because of weatherTrolley traverses along the rails laid on the gantry for cross travelElectric parts adopt international brand Schneider and Siemens to ensure accurate operation, excellent performance and convenient maintenanceThere are two control methods for options, namely cabin control and ground controlComponent:Motor for lifting adapts YZP type three phases asynchronous motor and is top in China, which features large overload capacity, high machinery intensity and low noiseAble to provide reliable and steady power travel, and performs well with frequent start, brake and reversionFrequency converter can be supplied to meet your demandWheels, gears and couplings are processed by medium-frequency quenching technology and have a great improvement in intensity, hardness, wear resistance, fatigue strength and toughnessVarious lifting tools are for choice to meet your demand for hoisting different materials, such as grab, gantry hook, electromagnetic chuck, billet clamp and container holderDelivery:Electric parts and hoists are packed by high quality plywood crate to cut and to avoid loss caused by shake and collision during sea transportationGirders are packed by strong plastic woven cloth to protect them from rusting in the harsh environment of high humidityFactory overview: