Different Capacities of double girder overhead cranes made in china

Keyword:double girder overhead cranes   Time:2020-3-23 12:42:49

A double girder overhead crane is a lifting solution designed to carry medium and heavy duty loads. By using two adjacently positioned beams, double girder cranes offer improved support for the goods being handled, allowing the movement of larger capacities.

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As one of most frequently used material handling equipment, It is an overhead crane with the hook as the lifting tool. The lifting capacity of the hook overhead crane is 5 to 550 tons, and the working class is A4 to A7. The bridge overhead crane with double girder adopts the leading technology in its traveling systems, electrical systems, and other systems. Whether in the working performance or in the energy consumption, it has improved a lot compared to the traditional overhead cranes.

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Double girder overhead crane is the crane working with its lifting mechanism trolley and the trolley has the hook used to lift goods. The crane is generally operated and controlled in the cab. Normally It is designed to lift the materials over 25 tons, therefore, It is also called heavy duty bridge crane. The lifting capacity of the hook overhead crane is 5 to 550 tons, and the working class is A4 to A7.

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It can be used to lift loads from 5 tons to 550 tons, which is widely used to upload and move of normal weight in the fixed crossing space and also can work with various special-purpose hoist in special operations. Double girder workshop crane is ideal for heavy duty applications, and it can handle over 300 tons. The trolley and hoist generally run on top of the bridge girders, thus the crane provides more lifting height.

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As the name means, double girder overhead travelling cranes are equipped with two beams so that they are able to lift the extreme heavy objects. It is a kind of heavy-duty overhead cranes. QD type is a common lifting equipment with tonnage of 5~100t or customized. mainly used in various indoor workshops. According to different utilization grade and load state, it can be divided into A5 and A6 working levels. The entrance direction of the platform in the driver's cab is divided into side entrance, end entrance and top entrance. The driver's cab can be installed at the left end or the right end. Safety slip contact wire or Angle steel can be used for conducting electricity of crane travel, which can be on the opposite side or the same side of driver's cab. The operation of the crane is completed in the driver's room.

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Double girder overhead bridge crane can be constructed with either structural steel beams (W flange beams) or welded steel plates, commonly known as box girders. Most bridge cranes up to 60 - 65’ span are constructed of structural steel. The type of bridge girder is determined by considering both the span and capacity of the application.

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Compared to the single girder crane, the double girder one is designed for managing higher loads, meanwhile, you shall also invest more money in it. In this design, the hoist is mounted on the bridge rim, unlike single girder, where hoist sits on the bottom of the girder, and due to this configuration, Double Girder Bridge Cranes offer greater hook height.

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It is also called Top running double girder crane, Top running overhead cranes, Double girder workshop crane, Double girder hoist overhead crane, Double girder hook overhead crane, which has such features as tight dimensions, low building headroom, light dead weight and light wheel load. 

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Insulation double girder overhead cranes are suitable for smelting workshops such as non-ferrous metal electrolytic aluminum, magnesium, lead and zinc. Because the equipment on ground in the workshop has DC current, in order to prevent the current on the equipment from being transmitted to the crane through the lifting material during working, which will endanger the life of the driver and the safety of the equipment, several insulation devices are set on the appropriate parts of the crane to ensure the safe working.

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Our double-girder overhead travelling cranes offer exceptional load capacity for a low deadweight. Their outstanding crane geometry also provides for extremely good travel characteristics, which minimises wear on the end carriages and crane runway. The load hook can be raised between the two crane girders, which allows large lifting heights to be achieved. It is applicable to the transfer, assembly, check and repair as well as load and unload at mechanic processing workshop, subsidiary workshop of metallurgical mills, warehouse, goods yard and power station. It is widely used for transferring material, goods, equipment installation and maintenance in factory, power station, storeroom, warehouse etc. It can be divided into different types according to different use standards.

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It is mainly used in the workshop, according to the utilization class and load condition, work duty can be divided A5 and A6. The entrance of cabin has three ways from side entrance, end entrance and top entrance and the cabin can be fixed on the left or right side. It is perfect for lifting heavy loads. Of course, it is also suitable for small service with equipped with the second hook, grab or other tools. In fact, it is a piece of complex equipment. It is made up of many parts and accessories.

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Our products Have Advantages of Light Weighted, Easy Installation, Low-maintenance, Cost Effective And Reliable Performance. A Variety of Series Meets Your Request. Double Girder Bridge Cranes are used when capacity and span requirements are too great for a single girder crane to be used. Double girder cranes also provide higher hook heights because the hoist is placed between the cross girders as opposed to under the cross girder.

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Double girder hoist overhead crane are generally utilized in capacities over 25 ton and spans approaching or exceeding 60 feet, It can be used at any capacity to span where extremely high lifts are necessary because the hook can be lifted up between the girders. This kind of European standard double girder crane is characterized as delicate structures. It is the latest version of bridge crane designed in line with FEM standards, as well as developed on the base of traditional crane.

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Unlike light weight cranes, double girder is usually adopted by the crane 25 ton because of its lifting capacity. Our company produces double girder hook overhead crane, double girder magnetic overhead crane, double girder foundry crane, explosion proof double girder overhead crane and European double girder crane.

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Double Girder Bridge Cranes have a range of features depending on the model which you choose. Due to our large supply base, we can source cranes to meet with your specification, so just get in touch and let us know what it is that you need.

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RAMHOIST can specify, engineer, and build your double girder top running bridge cranes for the toughest applications. All bridge cranes are designed in national standard. Typically we will specify a double girder crane design for loads over approx. 

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In the lifting equipment industry, they are very popular in many countries. In order to meet the needs of all walks of life, they have lots of types like electromagnetic and electric models. If you have different uses, the various functions can master the products’ abilities. Double girder overhead travelling crane can be supplied in our company with high quality and reasonable price.