MG Type Heavy Duty Double Girder Gantry Crane

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China profesional double girder gantry crane manufacturer China profesional double girder gantry crane manufacturer China profesional double girder gantry crane manufacturer

MG Type Heavy Duty Double Girder Gantry Crane is extensively used for lifting and loading, unloading works in outside warehouse or railway stations.
Equipped with other lifting appliances, it also can be used for special purpose. It gains many popularities and sold well at home and abroad.
Lifting capacity: 10~50/10t
Span: 18~35m (it can de redesigned as client’s requirements)
Lifting Height: No limited (can be designed according to client’s requirement)
Working Duty: A5-A7 (according to the use frequency and working time)
Power supply: 3ph, 380V, 50HZ (or under customer’s requirement).

1. MG model double girder gantry crane consists of four main parts: the bridge structure, the trolley traveling mechanism, crane traveling mechanism and the electric equipment.
2. The girders and frame are welded structure without weld joint and high degree of vertical and horizontal rigidity.
3. The lifting mechanism is electric trolley, it can equip with hook and other tools to lift containers. Some rail, gear, wheel relevant parts with good quality manufactured by our own group, the quality is easily been controlled.
4 .The main electric parts are Siemens and other famous brand. The motor is heavy duty slide ring type, Xindali brand or some other brand top quality in China. The buffer adopts polyurethane material and the brake is electric hydraulic type.
This crane has two kind conductive forms: cable and slip line. Slip line are first recommended, the conductive form and position should be definite when place an order.

Operation mode:
Operation is in the cabin room which is commodious and comfortable.
Safety protection devices:
Close type hook, anti-collision system, weight overload protection device, emergency switch and so on.
Good painting:
Primer and finishing paint, color as the clients’ requirements.

High working duty
Widely usage
High quality
Easy use
Easy maintenance
Long life time



1. Applicable occasions
Using in outdoor, road construction area, material stocks area, cement plant, granite industry, construction industry, engineering industry, railway etc
This type crane is widely applied to the railway goods yard, big tonnage port, open storage, the container transfer station, and etc. to handle with the frequent loading and unloading works. This type adopts the U model door frame, with a big clearance between the two legs and a very big span.
2. Machine
This crane use one or two trolley as its lifting machine, comprising the crane and trolley traveling mechanism, lifting mechanism, cabin, computer room, electric room, and others.
3. Power supply
This type crane adopts the cable and drum or the slide wire as its conductive devices.
4. Operation model
All mechanism of this crane is operated in cabin. The cabin travelled along with the crane to avoid the crash with the cargo. In the cabin, the operator not only can feel its wide and comfortable space, can also have a good vision to control, surveil and maintain.
5. Electric equipment
All electric equipment can works normally within the voltage fluctuation range -15% or +10%. We also design the protection devices, for instance, the emergency stop system, current overload protection system, voltage lower protection function, and etc. The main electrical components (frequency inverter, PLC) adopt the Siemens, Schneider, Chint or other international famous brand.
6. Safety protection devices
Weight overloads protector, extreme lifting position limiter, extreme travelling position limiter, the cleaning board, the buffer and the cover protection.
7. Painting and protection
All gantry crane components are handled with shot peening, then painting. Before delivery, we will do the rust-proof protection on all open parts. The painting color and shape is according the customers demands.
8. Before delivery
We also supply the general pre-installation, performance test, etc.
9. Norms and standards
In addition to meet the tech demands in the design, manufactures, installation, test and debugging of this crane, we also made it strictly in accordance with ISO 9001:2000, ISO 14001:2004 and OHSAS 18001.



Technical Data

Capacity (ton)







Span (m)

18, 22,   24, 26, 30,   35

Lifting height (m)

10, 11, 12

Working class


Control way

Cabin control

Power source

380V 50HZ 3phase (Could supply it as yours)

Trolley lifting mechanism

Lifting speed


Main hook







Auxiliary hook







Trolley traveling mechanism

Traveling speed (m/min)







Crane traveling mechanism

Traveling speed (m/min)







Motor power(KW)







Steel track recommended


43kg/m or QU70

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Q:What is the main girder of the gantry crane?
Compared with the double girder gantry crane, the overall stiffness is weaker.Therefore, when the weight Q ≤ 50t, span S ≤ 35m, can be used in this form.
Q:Wharf gantry crane is a small steel wire is created by China?
you can take Imported wire rope and phosphating coated wire rope to do fatigue life comparison test, the test data will tell you that kind of wire rope is better.
Q:What are the technical parameters of the gantry crane?
, Counted to the bottom of the container.The span is the horizontal distance between the centerline of the gantry running track, in m
Q:What is the website of the gantry?
Need to know the name, for location, document number can query.2, enter the document number, name and type of document.
Q:Do you want to retire early?
Countries have special types of work can be found.Special types of work refers to the category of special operations personnel in the general category, refers to the occurrence of casualties accidents, the operation of others, others and the safety of the surrounding facilities have a significant harm to the type of work.
Q:What is the difference between gantry crane and tower crane?
Gantry hanging on the track to carry cargo, run and use a wide range, from the weight, tower crane is fixed in a position
Q:What certificate does the gantry need?
The problem is not comprehensive! What kind of aspect do you ask for the gantry crane? Is the operation? service? installation? Or manufacturing ah?
Q:Gantry crane running two motor is not synchronized, how to test?
In contrast to this type of test, the general need to use multiple data acquisition card, data acquisition card to be synchronized between; or with the data acquisition function of the instrument parameters of the motor real-time synchronization acquisition;
Q:Container track gantry crane how to change the crane hanging steel?
Can be stacked 3 to 4 layers, 6 rows of containers of the yard, the general use of tires, but also useful track.
Q:What is the characterization of the gantry crane?
Gantry crane has a high utilization rate, wide range of operations, wide adaptability, versatility and other characteristics, in the port freight yard is widely used.

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