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  2. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    Excavator with grapple. Hydraulic excavators now perform tasks well beyond bucket excavation. With the advent of hydraulic-powered attachments such as a breaker, a cutter, a grapple or an auger,a crusher and screening buckets [11] the excavator is frequently used in many

  3. Quick coupler - Wikipedia

    en.wikipedia.org/wiki/Quick_coupler

    There are many variations in the design of quick couplers. The initial divergence is between those that can pick up any of a range of buckets and attachments by clamping onto the mounting pins for the attachment (known as "pin grabbers" or "pin couplers") and those that work only with buckets and attachments designed to suit that quick coupler (known as "dedicated").

  4. Auxiliary hydraulic system - Wikipedia

    en.wikipedia.org/wiki/Auxiliary_hydraulic_system

    An auxiliary hydraulic system delivers pressurized hydraulic fluid from a hydraulic pump to operate auxiliary equipment or attachments. The addition of an auxiliary hydraulic system to heavy construction equipment increases the versatility of the vehicle by allowing it to perform additional functions with different attachments. [1]

  5. Breaker (hydraulic) - Wikipedia

    en.wikipedia.org/wiki/Breaker_(hydraulic)

    A breaker is mounted on the excavator on the left side Hydraulic breaker attachment on a skid-steer loader. A breaker is a powerful percussion hammer fitted to an excavator for demolishing hard (rock or concrete) structures. It is powered by an auxiliary hydraulic system from

  6. Compact excavator - Wikipedia

    en.wikipedia.org/wiki/Compact_excavator

    The workgroup of a compact hydraulic excavator consists of the boom, dipper or arm, and attachment (e.g. auger, bucket or breaker). It is connected to the front of the excavator's house structure via a swing frame that allows the workgroup to be hydraulically pivoted left or right to achieve offset digging for trenching parallel with the tracks.

  7. Dredging - Wikipedia

    en.wikipedia.org/wiki/Dredging

    The excavator dredge attachment uses the characteristics of cutter-suction dredgers, consisting of cutter heads and a suction pump for transferring material. These hydraulic attachments mount onto the boom arm of an excavator allowing an operator to maneuver the attachment along the shoreline and in shallow water for dredging.

  8. Grapple (tool) - Wikipedia

    en.wikipedia.org/wiki/Grapple_(tool)

    A grapple is a hook or claw used to catch or hold something. A ship's anchor is a type of grapple, especially the "grapnel" anchor.. A soldier loading a hook. A throwing grapple, kaginawa (or "grappling hook" ) is a multi-pronged hook that is tied to a rope and thrown/launched to catch a grip, as on a parapet or branch of a tree. [1]

  9. Hydraulic cylinder - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_cylinder

    A hydraulic cylinder is the actuator or "motor" side of this system. The "generator" side of the hydraulic system is the hydraulic pump which delivers a fixed or regulated flow of oil to the hydraulic cylinder, to move the piston. There are three types of pump widely used: hydraulic hand pump, hydraulic air pump, and hydraulic electric pump.

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