Double Girder Electric Travelling Gantry Crane 10ton 20ton 32ton
50ton 75ton for Shipyard, Harbor and Open YardBrief introduction of
double girder gantry craneThe double main girder gantry crane has
strong bearing capacity, 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 truss.Generally, a box-shaped
structure is used.Features and Advantages:1) Reasonable structure2)
Favorable performance3) Smooth starting and stopping4) Safe and
reliable traveling5) Low noise, commodious cabin and good view6)
Convenient maintenance, excellent exchangeability for parts and
components7) 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 , Sq.Cage motors with integrated
safety brakes, insulation class F, IP54 protection for hoisting, CT
& LT motions.BrakesIndependent 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 and compact terminals.Motor overload protection to
prevent overloadingIf cabin control, it can be equipped with
Air-conditioning and with easy and conveniet control panel.Limit
SwitchSafety limit switches for stoppers will be provided to
prevent over traveling in all motionsSafety featureOverload
protection.Main lifting motor with thermal protection.Hooks with
latch.Rubber buffers.Protective earthing.Crane switch and travel
end switch.Emergency switch can stop all movement when any
dangerous happened.Sub-assemblies characteristic are tested before
assembly.All cranes must be pre-assembled and tested before leaving
factory and offer the certification of testDouble girder gantry
crane detail spare partsGantry crane safety protection1.Overload
limiter.2.High quality, long-term use, impact-resistant
polyurethane buffer.3.Crane travel limit switch.4.Loss of pressure
protection, phase protection.5.Emergency parking system.6.Lift the
height limiter.In order to give you correct quotation ,Please let
us know the following Specification :1.Lift capacity ?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 become your partners in the near
future,Delivery of double girder gantry crane1.Electric parts are
packed by high quality plywood crate, to reduce distortion in
conveying.2.Main beams, end beams and trolly/winch are packed by
plastic woven cloth.It can reduce abrasion during the
transportation.3.If the size are suitable for container ship,
usually by container.4.Big size, usually by bulk ship or by
container after truncation.5.Transport ways are based on reducing
cost & keep safety /* March 10, 2023 17:59:20
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