Search results
Results from the WOW.Com Content Network
A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
Kirow Ardelt GmbH Eberswalde, referred to as Ardelt, is a German crane manufacturer. The company specialises in manufacturing double jib level luffing cranes which are based on the patented double jib principle. Ardelt has produced more than 4,700 harbour cranes. [1] Ardelt also makes single jib-level luffing cranes and balancer cranes.
A telescopic mobile crane with truss luffing jib. A telescopic crane has a boom that consists of a number of tubes fitted one inside the other. A hydraulic cylinder or other powered mechanism extends or retracts the tubes to increase or decrease the total length of the boom. These types of booms are often used for short term construction ...
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
The Port of Baltimore shared an image of the crane barge, Donjon's Chesapeake 1000, which ABC News reported was onsite Friday morning at the site of the Francis Scott Key Bridge. The span ...
This specific example uses a level luffing mechanism to maintain the load at approximately the same vertical height as the jib moves through its range of travel. A jib or jib arm is the horizontal or near-horizontal beam used in many types of crane to support the load clear of the main support. [1] [2] An archaic spelling is gib. [3]
A concrete bucket that fell from a 450-foot tower crane sticks out of the ground at a Harbor Bridge construction site on April 22, 2023, in Corpus Christi, Texas.
A large cargo ship lost control of its engines and went nearly full throttle through a South Carolina harbor Wednesday, prompting the closure of one of the busiest bridges in the state. Harbor ...