High Quality International Certificated Double Girder Gantry
Crane Brief introduction of double girder gantry
craneEuropean hoist gantry crane is widely used, it is not only
excellent safety, ergonomic design, convenient and efficient
material transportation, and its compact size structure is very
conducive to save space.Appearance performance advantages:1) The
limit size is small and the effective working area is increased;2)
Reduce the height of the workshop and save construction costs;3)
Small volume, light weight;4) Modular design, short production
cycle;Mechanism performance advantages:1) Smooth operation and low
noise;2) Soft start, good acceleration performance;3) Fast action
and high reliability;4)Design long service life.Features and
Advantages:1) The main steel structure (main beam, end beam)
materials are Q235-B, the materials used have the material report
and the corresponding certificate of qualification.2) The
manufacturing, welding and inspection of steel structure shall be
carried out according to national standards. Double-sided groove
welding process is adopted for important stress butt welds, and
appearance inspection and non-destructive inspection are carried
out in accordance with regulations. All welders have corresponding
grade certificates.3) The main girder of all cranes adopts the
whole plate without butt welding process, which cancels the butt
weld of the steel plate of the main girder and eliminates the
hidden danger of butt welding of the steel plate. (The butt welding
of steel plate is the most important welding, and it is the place
with the most quality hidden trouble.)4) All plates are
automatically blanked by CNC cutting machine, and the arch of main
beam is preset to avoid the problem of bending down of the arch of
main beam by traditional fire baking.5) The steel surface is shot
blasting treatment, and its surface roughness reaches the Sa2.5
level in GB8923 "Registration and Derusting Grade of Steel Surface
Treatment Before Painting", which improves the paint adhesion, does
not take off the paint, and ensures the long-term beauty of the
whole single-beam crane6) Main girder longitudinal waist weld
adopts domestic advanced automatic special aircraft ambush welding,
forming beautiful, to ensure welding quality.7) The cross beam of
the wagon is made of rectangular tube as a whole, no stitching, no
weld, beautiful appearance, strong and durable.8) The wheel
installation adopts boring type installation to avoid the wheel
tread is not in the same horizontal plane and improve the running
accuracy of the wheel.Double 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 du
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