Crane reeving is the configuration of the wire rope that lifts the hoist, including the drum, blocks, and pulleys. The type of reeving system will impact aspects like lift speed, headroom, and capacity of the crane. It also determines whether the crane systemhas any lateral movement or if it has true vertical lift. See more There are many different types of crane reeving systems, but they can all be described using three basic terms: ·Single– One wire rope comes off the drum. ·Double– Two … See more Each part adds to the mechanical advantage of the crane system, allowing it to better distribute the weight. For example, a two-part crane reeving system will have twice the … See more Understanding how a crane’s reeving system works is essential to maintaining a safe and efficient work environment. The wire rope reeving system impacts everything from lift capacity and speed to lateral movement … See more WebA cement plant worker was killed when the boom hoist rope of a mobile crane broke, dropping the crane boom on him. Much ofthe hazard of wire rope breakage can be eliminated by following a few simple safety rules: 1. Always assume a wire rope could break at anytime. 2. Do not work or pass under the buckets or booms of shovels, draglines, or …

Crane reeving diagram - Why does a crane ball weigh so much

WebJul 28, 2024 · The dead-end of the rope should be left hanging out of the pocket about 4-1/2 inches. The single rope clamp should be placed about 2.4 inches below the wedge … WebFor 4-part reeving, S = diagonal distance of rope parts For 5-part reeving, S = 4/5 of 4-part For 6-part reeving, S = diagonal distance of rope parts For 7-part reeving, S = 6/7 of six … coherentism epistemology

Glossary of Crane and Rigging Terms - BC Crane …

Web‣Failure to follow the wire rope reeving diagram. ‣Rubbing of outer surface with the nearby sheaves Nylon sheave Steel sheave For example, based on the above figure, … WebPUMPS - Two variable piston pumps for crane functions. Boom raising speed 20o to 60o in 46 seconds. Tandem gear pump for steering, swing and optional equipment. Powered by carrier engine. Pump disconnect for crane is JIB - two stage bi-fold lattice type, 3.5o, 25o or 45o offset (tilt type). engaged/ disengaged by rotary switch from operator's cab. WebJul 27, 2010 · The crane’s load chart generally references the “reeving” (parts-of-line) capacity in conjunction with the wire rope as specified by the crane manufacturer. If the hoist rope specification changes, the lifting … dr kathy wilson