What is a walking line?

Walking is a heavy industrial machine usually used for surface mining and building engineering applications. It is similar to a crane crane, but instead of a hook is a large bucket that is suspended from a lengthy boom. The bucket is controlled by wires and chains to dig a large amount of ground and insert it from the location of the kick. Walking literally walks as the rays rise and fall to move the machine forward. Average walking usually weighs several thousand tons, but manufacturers have created dragons that weigh up to 13,500 tons (about 12,250 Mt). His invention would be modified in 1913 by Oscar Martinson to create the first walking. Later, advances in hydraulic mechanisms allowed operators to expand the use of walking, especially in rugged terrain. With increased mobility and constantly increasing the capacity of the bucket based on walking, it has become an invaluable tool for miners and engineers.

one limitedThe design of walking in the campaign is that the radius in which the material can be kicked out depends on the length and height of the boom. This generally leads to storage problems, which requires that the DIG site is safely suitable for a large concentration of dug dirt. Another limitation is the depth of the excavation, which is limited by the length of the Dragline rope. Also, walking through the campaign is not effective in removing the hills of the country that rises above its base, thus requires more electricity and time than it would usually require standard excavations.

The biggest walking ever created was aptly named Big Muskie. It was the largest mobile excavation machine on the ground, weighing at the age of 13, 500 tons (about 12 250 MT) and standing almost 223 feet (almost 68 m) high. The hydraulically driven machine required 13,800 volts of electricity to dig 325 tonnes (about 295 MT) with a bucket with a capacity of 220 cubic yards (about 168 m 3 ). From 1969 to 1991 Big Muskie moved the topicIt twice the amount of country that was dug during the construction of the Panama Canal and more than 20 million tonnes (about 18.1 million MT) of pure coal. In 1999, the cable was holding a massive boom of the explosive and effectively scrapped Big Muskie.

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