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What Is an Excavator Boom?

Mar 16 , 2023

An excavator is a typical hydraulic, heavy-duty, human-powered machine used for general multi-purpose construction operations such as digging, grading, load carrying, load dumping, and linear hauling. Usually, backhoe excavators work under the most severe working conditions.


The excavator boom is one of the most important attachments of an excavator. The boom must work reliably under uncertain and high-load working conditions. Therefore, it is necessary to design a device with maximum reliability and minimum weight and to keep the design safe under all load conditions.


An excavator boom is a component used to operate an excavator, a heavy machine used to dig holes or otherwise move large amounts of material. An excavator typically consists of a base with rails or treads that are attached to a swivel wheel and a unit called a house that rotates 360 degrees so the operator can access material on all sides of the machine without having to reposition the entire unit. The excavator cantilever extends from the front of the house and usually consists of two parts that can be better reached by hitching.

Excavator Boom

 Excavator Boom

The bucket is mounted at the end of the excavator boom. This bucket is responsible for digging as well as holding the material to be moved. All parts of the digging motor boom, as well as the bucket itself, are controlled by a hydraulic system; an outer column filled with fluid - usually some kind of oil - can be pressurized, which causes an internal piston to push forward. When the pressure is released, the piston retracts. In this way, both parts of the excavator boom and the bucket can be controlled from the operator's compartment of the machine.


Steel is typically used to build very large excavator cantilevers. The two parts of the boom are articulated and can be articulated due to bearings or bushings at the connection point between the two cantilever sections. The hydraulics are mounted at different locations along the length of the boom; their strategic position allows for the most efficient movement, thus extending the boom as far as possible. Other hydraulics are mounted near the bucket to extend or retract the attachment. These will also be installed to allow maximum extension and retraction.


Other attachments can be fixed to the excavator's arm. The quick-connect design allows the user to swap the bucket for another attachment to suit a specific job, adding to the versatility of the machine. Other attachments may include portable auger attachments, compaction wheels, cut-off wheels, grab booms, etc. Grab booms are particularly useful for picking up or otherwise manipulating logs and trees. Handheld auger attachments can be used to break up concrete or asphalt quickly and efficiently. Excavator rakes are available, as well as amphibious attachments for towing water. Other specialized attachments for highly specialized applications can be customized or manufactured in limited quantities.


If you want to get more information about the excavator boom, welcome to contact us today or request a quote.  

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