A single girder gantry crane is a type of general use gantry crane that ismonly used in open ground, warehouses, ports, the granite industry, the cement pipe industry, open yards, container High quality Single Girder Mobile Gantry Crane With Electric Hoist from China, China's leading Mobile Gantry Crane product, with strict quality control Mobile Gantry Crane factories, the box type single girder gantry crane is a medium-sized crane that travels in a track and is usually equipped with a standard cd md electric wire rope hoist as the lifting mechanism, with Outdoor Place use 20 ton Wireless Control High Quality Double Girder Goliath Gantry Crane ManufacturerBrief introduction of double girder gantry craneThe doubl, large span, good overall stability and many varieties, but its own quality is larger than that of the single main girder with the same lifting weight, and the cost is also higher.According to the main beam structure, it can be divided into two types:Box beam and nerally, a box-shaped structure is used.Features and Advantages:1) Reasonable structure2) Favorable performance3) Smooth starting and stopping4) Safe and reliable traveling5) Low noise,modious cabin and good view6) Convenient maintece, excellent exchangeability for parts andponents7) Energy saving,reduce energy consumption8) Using transducer for travelling or traversing crane to realize step speed or stepless speed change9)Primer and finishing paint10)Crane structure:Steel box typeDouble girder gantry crane appliacationProductionConfiguration & production technologyBeamHigh technique, torsion-free box girders, no welding one whole type, strong and beautifulElectrical parts:Siemens brand/Schneider brandMotorsFrequent starting , reversing & braking, dust proof construction foot / flange mounted TESC / TEFC , ge motors with integrated safety brakes, insulation class F, IP54 protection for hoisting, CT & LT akesIndependent Hydraulic BrakeGear BoxAccurate hob cut helical / spur gears & pinions having hardness 250 to 350 BHN made from carbon alloy steel, smooth operation & long life, can equipped with SEW/ABB brand high quality gear boxElectrical PanelModular design, ease to install and maintain, reliable operation, fuses less circuitry, ducted wiring andpact tor overload protection to prevent overloadingIf cabin control, it can be equipped with Air-conditioning and with easy and conveniet control mit SwitchSafety limit switches for stoppers will be provided to prevent over traveling in all motionsSafety featureOverload in lifting motor with thermal protection.Hooks with bber otective ane switch and travel end switch.Emergency switch can stop all movement when any dangerous b-assemblies characteristic are tested before l cranes must be pre-assembled and tested before leaving factory and offer the certification of testDouble girder gantry crane deta or trolley for lifting device.2. It is a medium and heavy size crane which travels in track.3. Its proper lifting weight is 5 to 75 tons,and proper span is 18 to 35 meters.4. Its proper working temperature is -20--+40 centigrade.5 .This kind of crane isposed of main beam, A-frame legs, traveling mechan.6. This product is a regular crane widely used in workshop, storage, port and hydroelectric power station and some other outdoor place, where it has a high frequency or more lifting times.7. It has two controlliing methods namely ground controlling and cabin order to give you correct quotation ,Pleas ?2- With or without overhang?One side or two side ?3- Lifting height ?4- the Span of the main girder ?5- power supply:In china is 380V/50Hz/3phase ,how about in your factory ?6- Travel distance ?Do you need to buy the travel rails from us also ?Feel Free to contact us at anytime, Hope can be your partners in the near future,Delivery of double girder gantry crane1.Electric parts are packed by high quality plywood crate, to red are packed by plastic woven can reduce abrasion during the transportation.3.If the size are suitable for container ship, usually by g size, usually by bulk ship or by container after ansport ways are based on reducing cost & keep safetyOur serive1.12 months warranty after installation andmissioning in addition to the human damage factors.2.2 years spare-parts provided for better ofessional technical staffs provide installation,missioning and training livery with English user manual, parts manual, product certification and other relevant certificates.5.Technical advisory for any time.