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Tower crane

Tower Crane is a modern form of balance crane that consist of the same basic parts. Fixed to the ground on a concrete slab, tower cranes often give the best combination of height and lifting capacity and are used in the construction of tall buildings.

Cranes

Development depends on infrastructure and infrastructure on heavy machineries. Of all the heavy machines cranes acquire an important position as they are involved in the building and maintenance of huge projects. Crane machines are the huge Tower like machineries having ropes meant to lift or to lower any heavy devices. Hence they are also referred as lifting cranes. Cranes are not permanent structure. In fact it is a temporary structure either fixed in the ground or mounted on certain

Mobile Cranes

Cranes are the huge Tower like machineries having ropes meant to lift or to lower any heavy device. Cranes are not permanent structure. In fact it is a temporary structure either fixed in the ground or mounted on certain vehicles. Cranes are operated either through cab

FAQ About Tower Crane Base

  • Types of Cranes

    • of lifting operations, utilisation factors and degree of mobility required. Crane types can range from a simple rope and pulley or gin wheel to a complex tower crane but most can be placed within 1 of 3 groups namely mobile, static and Tower Cranes. Where Are Cranes Used? Cranes are used all over the world. They build tall skyscrapers in large cities. And, they help farmers in rural areas. Cranes are used near large bodies of water. They load and unload ships. Cranes are built

  • Crane History

    • where most cranes were used in cities with narrow streets, cranes tended to be built in the form of tall, slender towers, with the boom and the operator on top of the tower. Because quiet operation was important in crowded cities, these Tower Cranes were usually powered by electric motors when they became widely available. In the United States, cranes were often used in locations far away from residential areas. Cranes tended to be built with the boom connected to a trolley, which

  • FACTORS BEHIND THE SELECTION OF CONSTRUCTION EQUIPMENTS

    • researchers have worked to develop a method to assist in equipment selection and, consequently, different models have evolved over the years. For example, there are optimization model, graphics model and database-centred models to select Tower Cranes. Different expert systems have also been developed to assist in equipment selection. Finally. there are artificial intelligence-based models. Harris and McCaffer (2001) have developed their equipment selection model based on

  • Mobile Cranes

    • machines-at odds with European sensibilities that favor constraint-fall in line with the American ethos. For better or worse, traditional American mobile cranes put the operator in full control. The European approach, established first with Tower Cranes but now applied at large, is to take that discretion away from the operator by modulating power and building in automated limits to the crane controls. In the European Union itself, the attitude is codified in the Machinery Directive,

  • Tower-mounted crane

    • three motions: the hook is raised and lowered by means of a winch and fall, carried in a circular path by the swing gear, and carried in a radial motion by either luffing the jib or rolling a trolley carriage on its underside. The simplest of Tower Cranes have only these motions, but more complicated arrangements include mechanisms that allow the base to roll on a track, the crane to change elevation by climbing, or the jib to articulate on a hinge point. In the twentieth century,

  • Bottom-Slewing Tower Cranes Structure and Configuration

    • The main parts of a typical bottom-slowing Tower Crane include: Undercarriage. Unlike top-slowing cranes, which are often configured without an undercarriage, bottom-slowing cranes would always have an undercarriage to connect between the ground or any other supporting surface and the slewing

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