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300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane
300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane
300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane
300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane
300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane
300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane

300t Mg Model Heavy Duty Long Traveling Double Girder Gantry Crane

Min.Order: 1
Product origin: Zhengzhou, Henan, China
Infringement complaint: complaintComplaint
US$ 45000 ~ 150000

Description
300t MG Model Heavy Duty Long Traveling Double Girder Gantry Crane
 
Brief introduction of double girder gantry crane
  • European 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 crane
6) 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 appliacation

ProductionConfiguration & production technology
BeamHigh technique, torsion-free box girders, no welding one whole type, strong and beautiful
Electrical parts:Siemens brand/Schneider brand
MotorsFrequent 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 Brake
Gear 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 box
Electrical PanelModular design, ease to install and maintain, reliable operation, fuses less circuitry, ducted wiring and compact terminals.Motor overload protection to prevent overloading
If 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 motions
Safety 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 test

Double girder gantry crane detail spare parts

Gantry crane safety protection
1.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 crane
1.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



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