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Specification No. 70 Multiple Girder Cranes; Specification No. 74 Single Girder Cranes; Specification No. 78 Professional Services - This sets the standards for those who inspect, repair, design, and otherwise manage the supply and use of overhead cranes. Specification No. 79 Crane Operators Manual; Overhead Crane Inspection and Maintenance ...
An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets. The traveling bridge spans the gap. A hoist, the lifting component of a crane, travels along the bridge.
Both a crane and a movable platform can be seen on the vehicle's roof. A catenary maintenance vehicle (also known as a tower wagon or tower car) is a railroad maintenance of way vehicle that is used to maintain and inspect overhead line (also known as catenary) on electrified railroad or metro tracks. [1] [2] Such vehicles are typically self ...
Manual crane from the late 19th century used for unloading small loads from ships at the Port of Barcelona, Spain. A crane is a machine used to move materials both vertically and horizontally, utilizing a system of a boom, hoist, wire ropes or chains, and sheaves for lifting and relocating heavy objects within the swing of its boom.
The Commissioners make up ten Exam Management Committees with the responsibility of monitoring written and practical certification examinations for mobile, tower, overhead, and articulating (loader or knuckle-boom) crane operators, digger derrick operators, crane inspectors, lift directors, signal persons, and riggers, and report to the Board ...
Aerial photography. An aerial photograph using a drone of Westerheversand Lighthouse, Germany. An aerial view of the city of Pori, Finland. Air photo of a military target used to evaluate the effect of bombing. Aerial photography (or airborne imagery) is the taking of photographs from an aircraft or other airborne platforms. [ 1]
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The generic term used by the International Union of Railways for the technology is overhead line. [1] It is known variously as overhead catenary, overhead contact line (OCL), overhead contact system (OCS), overhead equipment (OHE), overhead line equipment (OLE or OHLE), overhead lines (OHL), overhead wiring (OHW), traction wire, and trolley wire.