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Double Girder Overhead Travelling Crane

Double girder overhead travelling crane is utilized for heavy applications. It is larger than single girder overhead crane. A double girder bridge crane has two bridge beams, and the hoist trolley travels on the beams, always attached to the tops of the crane girder. The crane is widely used in the workshops and warehouses of machining, metallurgy, chemical industry, etc.

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Double Girder Overhead Travelling Crane

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NLH 10 Ton Double Girder Overhead Crane In Nigeria


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LH 20 Ton Overhead Crane In Uzbekistan

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LH20T Double Girder In Uzbekistan

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Double Girder Crane In Uzbekistan

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Various Types Of Double Girder Travelling Overhead Crane

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double girder overhead crane for sale
AQ-QD Double Girder Overhead Crane


AQ-QD double girder overhead crane is commonly used in various factories, warehouses, construction sites and other indoor workshops. The operation of the crane is completed in the driver’s room. Our company mainly produce the cranes with the rated lifting capacity in the range of 3.2-450T.

AQ-QD Double Girder Crane Parameters

  • Lifting capacity: 5-450t
  • Span:10.5-31.5m
  • Lifting height:6-24m
  • Lifting speed: 2.1-11.5m/min
  • Trolley speed:27-40m/min
  • Crane speed: 42-75m/min
  • Duty: A3-A7
  • Customized service


double girder overhead crane for sale
AQ-LH Double Girder Overhead Crane


AQ-LH electric hoist overhead crane has the advantages of compact size, low building headroom, light weight, small wheel pressure and so on. The product is usually installed in the transportation, assembly, maintenance and loading and unloading operations of machining workshop, auxiliary workshop of metallurgical plant, warehouse, stock yards, power station, etc.

AQ-LH Double Girder 20 Ton Crane Parameters

  • Lifting capacity: 5-50t
  • Span length: 10.5~31.5m
  • Lifting height: 6~30m
  • Lifting speed: 0.18-8m/min
  • Trolley speed: 20m/min
  • Crane speed: 20m/min
  • Working class: A3~A4
  • Customized service

It can also replace the ordinary double girder bridge crane. AQ-LH electric hoist bridge crane is prohibited in the environment of flammable, explosive corrosive medium.


double girder overhead crane for sale
AQ-NLH Double Girder Overhead Crane


AQ-NLH electric double girder overhead crane adopts advanced European FEM standards design. The overall technical level has reached the international advanced and domestic leading position. In addition, the European overhead crane has reasonable steel structure which can meet the requirements of strength, stiffness and stability.

AQ-NLH Double Girder 20 Ton Crane Parameters

  • Lifting capacity: 5-80t
  • Span:10.5-31.5m
  • Lifting height:6-18m
  • Lifting speed: 0.4-5m/min
  • Trolley speed:2-20m/min
  • Crane speed: 3-30m/min
  • Duty: A5
  • Customized service

The working environment is fully considered in the design.crane can work with NDS wire rope electric hoist trolley. The design of the steel structure takes into account the convenience and possibility of manufacture, inspection, transportation, installation and maintenance. AQ-NLH electric double girder bridge crane can work with NDS wire rope electric hoist trolley.


Explosion Proof Overhead Crane for sale
QB Explosion Proof Overhead Crane


AQ-QB Explosion Proof Crane Parameters

  • Lifting capacity: 5-75t
  • Span: 10.5-31.5m
  • Lifting height: 6-20m
  • Lifting speed: 1.9-5m/min
  • Trolley speed: 10.5-20.5m/min
  • Explosion Proof Grade: ExdⅡBT4、ExdⅡCT4
  • Crane speed: 15.4-22.3m/min
  • Duty: A3-A4
  • Customized service


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QZ Grab Double Girder Crane


AQ-QZ Grab Double Girder Crane Parameters

  • Lifting capacity: 5-20t
  • Span:10.5-31.5m
  • Lifting height:6-26m
  • Lifting speed: 30.7-39.3m/min
  • Trolley speed:33.1-44.6m/min
  • Crane speed: 76.9-73.6m/min
  • Duty: A5-A7
  • Customized service

Other Types Of Double Girder Overhead Cranes

AQ-QDX European Type Overhead Crane

AQ-QC Electromagnetic Overhead Crane

AQ-YZ Casting Double Girder Overhead Crane

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Advantages Of Double Girder EOT Crane

Double girder EOT cranes with two main girders across the span consist of electric trolley travelling on main beam and not required rail for cross travelling. The crane has so many advantages.

  • Small wheel pressure, small limit size. The small wheel pressure and limit size can reduce the initial investment of the plant and the investment of lighting, hating equipment and other facilities.
  • Light weight. Reliable performance and easy operation. The crane is the preferred model for various material handling places.
  • Reliable and durable performance. Because of the use of the parts with high quality and high performance, the maintenance of double girder EOT crane can be reduced. The total installed power is also reduced which saves operating costs.

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NLH Double Girder Overhead Crane

double girder overhead crane for sale
QDX Double Girder Overhead Crane

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What Are The Benefits Of Double Girder Overhead Travelling Crane?

  • Double girder cranes have high efficiency, simple structure and stable performance.
  • It is ideal for lifting heavy loads.
  • The crane is easy to install, transport and operate.
  • We provide double girder bridge crane with superb design and delicate appearance.
  • We have lots of types of the cranes for sale, and you can choose to customize one.
  • The crane can ensure the safety of operators for its faithful safety protection devices.
  • High quality, advanced technology and durable parts of the crane.
  • The excellent after-sales service we provide.
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QD  Crane

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Single vs. Double Girder Bridge Cranes

The Single Girder Overhead Travelling Crane

The single girder style is very popular among overhead cranes for sale which is suitable to lift light materials. Usually, the single girder overhead crane will be applied in a condition with small space, short span and low capacity.

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LD Single Girder Overhead Crane

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HD Single Girder Overhead Crane

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  • Simple structure. The crane only has one main beam.
  • High efficiency and light weight of the crane.
  • Easy to install, maintain, assemble and disassemble.
  • Simplified hoist and trolley structure of the product.
  • Operated on the ground by operators
  • Lower lifting capacity, relatively low duty

The Double Girder Overhead Travelling Crane

The double girder overhead crane is your ideal choice for lifting heavy loads, which is always used in the sites with wider space, long span and heavy capacity.

Complex design. The double girder crane possesses two main beams.

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QDX Crane

double girder overhead crane for sale
LH Crane

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  • Higher efficiency than the single girder crane.
  • Heavy lifting capacity, higher stability and duty. The lifting capacity of the double girder overhead crane is up to several hundred tons.
  • Heavy lifting capacity, higher stability and duty. The lifting capacity of the double girder overhead crane is up to several hundred tons.

What Are The Applications Of Double Girder Overhead Travelling Crane?

According to the different picking device, double girder overhead travelling crane can be used in various workshops or specific work process.

Hook double girder overhead crane has the hook to fetch loads, commonly used in various factories, warehouses, construction sites and other indoor workshops. The operation of the crane is completed in the driver’s room.

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Hook Overhead Crane

Grab double girder overhead cranes have grabs to fetch bulk materials, widely used in stock yards, warehouses and workshops for lifting bulk heavy loads.


double girder overhead crane
Grab Overhead Crane

Explosion proof double girder overhead crane is usually applied in the environments of explosive gas mixture.


double girder overhead crane
Explosion Proof Overhead Crane

Electromagnetic bridge crane is mainly used for plate, profile, scrap, etc. It is equipped with removable electromagnetic chuck and corresponding operating system for handling and lifting metal objects.

Electromagnetic Overhead Crane for sale
Electromagnetic Crane

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How Does A Double Girder Overhead Travelling Crane work?

Double girder overhead travelling crane is mainly composed of bridge (main beam, end beam, walking platform, driver’s cab, trolley track, etc ), trolley (lifting mechanism), running mechanism, electrical equipment and other parts.

Various Parts Of The Crane

Bridge: The bridge of the crane runs longitudinally along tracks laid on runway bridges. It is made of steel girders that are connected to runways at either end of the girders.

Lifting trolley: The lifting trolley consists of lifting mechanism, trolley travelling mechanism, etc.

Lifting mechanism: The lifting mechanism have a brake, motor, reducer, coupling, drive shaft, wire rope, overload limiter, fixed pulley, etc.

Trolley travelling mechanism: The trolley travelling mechanism makes the lifting device move left and right on the main girder of the double girder crane.

Running Mechanism: The running mechanism enables the whole machine to move forward and backward on the load-bearing beam..

Electrical Control System: The standard power supply of our double girder overhead cranes is three-phase AC, the rated voltage is 380V, and the rated frequency is 50Hz. It can also be designed according to the requirements of our clients.

Operation: The operation of double girder bridge crane is divided into cab operation and ground operation. Double girder overhead cranes usually are operated by cab. Operators can overlook the environment of the lifting loads with better vision, which will avoid the occurrence of accidents effectively.

End Beam


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How To Install Double Girder Overhead Travelling Crane?

We have eight overseas branches, that basically means customers around the world can get superb after-sale services. We will provide installation services or guidance services for our customers.

Double girder bridge crane is transported to the installation site for assembly. There are main girder, end beam, trolley, control and other parts. If you need to install a crane in the workshop, the following procedure you should pay attention to.

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NLH Overhead Crane
  • Select the middle location of the workshop for assembly and hoisting according to the equipment layout plan of the plant.
  • When assembling, the shape and size of each part and the main components should be re-tested.
  • Lay temporary tracks for the rail transfer cart transporting parts of the crane.
  • Draw the main girder to the temporary track by the winch. Turn the two main girders into the installation position with truck crane and put them on the temporary track.
  • Connect and fix the end beams and load-bearing beam according to the number of the connecting plate. When connecting the end beams, the steel plate at the connection should be leveled and the connecting bolt hole should be checked to see if the connection is consistent. Put on and tighten the bolt and measure the diagonal of the cart to see if it is equal after the bolt hole is aligned. In addition, the measurement of the relative center distance between the two wheels and the gauge of the crane, it should reach the specified value
  • After the assembly of the bridge, the railing and the trolley sliding line can be installed. Check the trolley sliding line, it should be straightened first if it is curving. Then put the trolley on the trolley track.

The Main Specifications of A Double Girder Overhead Crane

  • Lifting capacity. The weight of the materials that can be lifted, together with the mass of the separable lifting devices (grab, electromagnetic chuck, equalizing beam,etc)
  • Horizontal distance between the center lines of the wheels at both ends of main girder( the distance between runway rails )
  • Lifting height. Refers to the vertical distance from the center of the hook to the ground.
  • Taking into account the extent of the use of weight and time and the number of working cycles of lifting mechanical characteristics. The duty of the crane is determined by the lifting mechanism.
  • Working speed. Including lifting speed, trolley running speed and crane running speed.

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Do You Want To Know The Cost Of Double Girder Bridge Cranes?

We are a supplier that have manufactured and sold lifting equipment for many years. In addition, with rich experience, our group possess professional team to give our clients a reasonable price. Lots of customers purchase overhead cranes from our company and our overhead cranes have been exported to more than 80 countries and regions such as USA, Canada, Chile, Uzbekistan, Pakistan, Indonesia, Malaysia, Philippines, Thailand etc. When you need to invest in a double girder overhead travelling crane, please take attention the following main factors which affect the cost of a crane.

The type of the crane. You can determine what type of double girder cranes you will need according to your projects. Different cranes have various prices. We have several types of the crane for sale.

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QD Overhead Crane

LH10T double girder crane for sale
LH Overhead Crane

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The span of the double girder bridge crane, which is an important factor of double girder overhead crane. Longer span will require more materials to build the girders and cost will also increase. Therefore, before buying a crane for business, the span should be considered seriously. In a general way, you can confirm the span due to the applications. For example, if the crane is installed in a workshop , the span can be suitable to the workshop.

The lifting capacity. Double girder overhead travelling crane has large lifting capacity because it has two beams. The larger the lifting capacity is, the higher cost is required.

The length of the track. The length of the crane rails will spend added material costs to the investment of the clients.

Besides, price is not the decisive factor to invest in a double girder overhead travelling crane. The quality of the products and the services of a manufacturer are also important factors. Our group has high-quality cranes and we provide excellent services for our customers. Welcome to contact us to get more information about the price of the crane you need.

QDX double girder crane for sale
QDX Overhead Crane

As a modern large-scale production enterprise in the construction machinery base, we have a professional design team and an excellent tech skills group. Now the high -quality products and perfect after-sale service are the symbol of us. Our group will persist in technical innovation, constantly increasing the core competitiveness, so as to be one of the most attractive suppliers of machinery. If you want to purchase a crane, please contact us, we will provide ideal services for you.

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    1.Load capacity: ton?

    2.Span of the crane: m?

    3.Max. lifting height of the crane: m?

    4.What materials will be handled: ?

    5.How many hours will the crane work per day?

    6.Project introduction: project working site, project budget, etc