The tower crane is a modern construction equipment, which is frequently used in the construction of tall buildings or long bridges. Although we happen to see a tower crane from one time to another, most of us have never looked them closely. What is its structure? Which parts it include? And what the respective function of each part? This post is going to shed some light on these questions.
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Tower Crane And Its Parts
Although there are various tower cranes of different types and models on the market, the basic physical structure is the same for all of them. Tower cranes, regardless of their types and models, are assembled by such mechanic parts as jib, rigger and so on. The following are details about these parts, including their pictures. I hope this can help you dear readers better understand what a tower crane really is.
Here are some basic parts of tower cranes
The base is bolted to a large concrete pad that supports the crane.
The base connects to the mast (or tower), which gives the tower crane its height.
Attached to the top of the mast is the slewing unit — the gear and motor — that allows the crane to rotate
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On top of the slewing unit are three parts:
The long horizontal jib (or working arm), which is the portion of the crane that carries the load. A trolley runs along the jib to move the load in and out from the crane’s center:
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The shorter horizontal machinery arm, which contains the crane’s motors and electronics as well as the large concrete counter weights:
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The operator’s cab:
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The machinery arm contains the motor that lifts the load, along with the control electronics that drive it and the cable drum, as shown here:
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The motors that drive the slewing unit are located above the unit’s large gear:
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Tags: structure, tower crane
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