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20ton 80ton Double Girder Gantry Crane With Lifiting Trolley

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20ton 80ton Double Girder Gantry Crane With Lifiting Trolley

Brand Name : Finework Cranes

Model Number : MG double girder

Certification : CE, ISO

Place of Origin : China

MOQ : 1 sets

Price : $ 900-2000/ SET

Payment Terms : T/T

Supply Ability : 1000 sets/ month

Delivery Time : 30 work days

Packaging Details : Fumigation-free wooden box and Plastic woven bag packaging

Type : MG double girder gantry crane

Crane feature : Metal Industry double Girder Cranes

Work duty : A3-A7

Lifting mechanism : Electric winch, electric trolley

Power source : 3phase 380v 50hz

Control method : Remote/Cabin/Pendant control

Max. lifting load : 50ton

Max. lifting height : 50m

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Industrial Warehouse Double Girder Mobile Gantry Crane with lifiting trolley Large gantry crane

The double girder mobile gantry crane complies with the national crane design standard GB/T 14406. The double girder gantry crane is mainly composed of bridge frame, trolley, crane travel mechanism and electrical system. MG double beam gantry crane (box type) is composed of gantry, crane crab, trolley running mechanism, cab and electrical control system. The gantry crane can be box or truss structure. The track is on the side of each beam, and the legs are divided into A-shaped and U-shaped according to user requirements. The control method can be ground control, remote control, cabin control or both.

The trolley can move horizontally on a pair of rails on the beam. According to your working environment, the beam can be box-shaped or truss-shaped, and can be configured according to customer requirements! The length of the cantilever can be designed to meet the needs of the work.

The gantry crane is a gantry crane supported on the ground rail by two legs. Structurally, it consists of gantry, engine room operating mechanism, crane trolley and electrical components. Some gantry cranes have outriggers on one side only, the other side of the factory or on the trestle supports, called semi-gantry cranes. The door frame part (including main beam and end beam), outriggers, lower beam and other parts of the gantry suspension bridge. In order to expand the operating range of the crane, the main beam can extend from the supporting legs to one or both sides to form a cantilever. A crane with a boom can also be used to expand the operating range of the crane through the pitch and rotation of the boom.

Gantry cranes are all types of cranes which lift objects by an open winch which is fitted in a trolley and can move horizontally on a rail. Gantry cranes are an excellent alternative to permanent indoor overhead cranes, which minimal investment in a new building. In addition, they can be disassembled and moved to a new location easily.
Double Girder Gantry Cranes are with heavy loads up to 700t and spans can be over 50 meters. For fabrication and freight-transfer applications, it can move loads rapidly and smoothly


Lifting capacity(t)1016
Lifting height(m)66
Traveling mechanismTraveling speedGround(m/min)2020
Controlling room20 3020 30
Controlling roomZDR100-4/1.5*2ZDR112L-4/2.1*2ZOG100-4/2.2*2ZDR112L-4/2.1*2
Wheel diametermm270400270400
Electric hoistTypeCD1 MD1CD1 MD1
Lifting speedm/min7 7/0.77 7/0.7
Traveling speed20 (30)20 (30)
MotorLiftingZD151-4/13 ZDS11.5/13ZD151-4/13 ZDS11.5/13
Working systemA3A3
Steel track recommendedP38P38
Power source380V 50HZ380V 50HZ
The crane weightGround(kg)66007500835010650660075008350
Controlling room(kg)7400830091501145074008300

Gantry Crane Main Features:
Simple structure in linear type ,easy in installation and maintation . Adopting advanced world famous brand components in pneumatic parts ,electric parts and operation parts. The crane with high pressure double crank to control the die opening and closing. Running in a high automatization and intellectualization,no pollution. Apply a linker to connect with the air conveyor ,which can directly inline with filling machine.


Double girder gantry crane lifting capacity: 5ton~900ton
lifting height:3m~25m or customized
Working class:A3~A7
Double girder gantry crane main have below Types: MG type double girder gantry crane,U type double girder gantry crane.

Component of Double Beam Gantry Crane Supplier With Competitive Price

Applicable occasions

Using in outdoor, 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..

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.

Power supply
This type crane adopts the cable and drum or the slide wire as its conductive devices.

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.

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.

Safety protection devices
Weight overloads protector, extreme lifting position limiter, extreme travelling position limiter, the cleaning board, the buffer and the cover protection.

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.

Before delivery
we also supply the general pre-installation, performance test, etc.
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.

Mainly Advantages :

The double girder crane are with many advantages:Reasonable structure and Favorable performance . Smooth starting and stopping. Safe and reliable traveling

Gantry cranes are mainly used for loading and unloading of outdoor cargo yard, stock yard and bulk cargo.
Its metal structure is like a door-shaped frame, with two supporting feet installed under the main beam, which can walk directly on the track on the ground, and the two ends of the main beam can have overhanging cantilever beams.
Gantry cranes have the characteristics of high site utilization, large operating range, wide adaptability and strong versatility, and are widely used in port freight yards. Applies to the open warehouse or rail along for general handling and lifting work. Also can equipped with many lifting device for special work. Prohibited for lifting high temperature solution, flammable, explosive, corrosion, overloading, dust and other dangerous operations.

Product Tags:

380V Double Girder Gantry Crane


20ton Double Girder Gantry Crane


80ton Double Girder Gantry Crane

Quality 20ton 80ton Double Girder Gantry Crane With Lifiting Trolley for sale

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