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In 2009, Blue Giant was voted #1 in the Professional Door Dealer magazine's Best of Business Dealers Choice Poll in the Loading Dock Equipment category. [1] Blue Giant's StrongArm SVR303 hydraulic vehicle restraint won the Bronze Award in the Material Handling Systems category of Plant Engineering magazine's 2009 Product of the Year awards.
Dock levelers are more expensive devices than the comparatively light-weight dock plates and dock boards. The most common form of dock leveler is the recessed, or pit, dock leveler. As the name suggests, this type of leveler is contained in a recess, or pit, beneath the dock door and floor surface.
The machine's operator, stationed in the vertical beam above the bucket for maximum cargo visibility, could spin the beam at any angle. The scoop bucket was lowered into the ship's hold, closed to capture a quantity (10 tons approx.) of ore, raised, and moved back toward the dock. The workmen who operated the Hulett uploaders were known as Ore ...
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 applications other than excavation.
A hydraulic accumulator is a pressure storage reservoir in which an incompressible hydraulic fluid is held under pressure that is applied by an external source of mechanical energy. The external source can be an engine, a spring , a raised weight , or a compressed gas .
Newer vessels have hydraulic-operated metal hatch covers that can often be operated by one person. [65] Hatch covers can slide forwards, backwards, or to the side, lift up or fold up. It is essential that the hatch covers be watertight: unsealed hatches lead to accidental cargo hold flooding, which has caused many bulk carriers to sink. [69]
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