Derrick - Wikipedia
网页A derrick is a lifting device composed at minimum of one guyed mast, as in a gin pole, which may be articulated over a load by adjusting its guys. Most derricks have at least two components, either a guyed mast or self-supporting tower, and a boom hinged at its base to provide articulation, as in a stiffleg derrick.
Derrick Definition & Meaning - Merriam-Webster
网页1. : a hoisting apparatus employing a tackle rigged at the end of a beam. 2. : a framework or tower over a deep drill hole (as of an oil well) for supporting boring tackle or for hoisting …
How to Tell the Difference Between a Crane and Derrick
网页Much like a crane, a derrick is used for moving materials vertically and horizontally, comprised of a hoisting mechanism and pulleys or sheaves to create a mechanical advantage to lift large loads. Unlike a crane, a derrick usually has a vertical stationary mast extending from a base and a moveable boom.
Altec Derricks – Altec Inc
网页Altec offers a wide variety of Digger Derricks with sheave heights ranging from 37 to 85 feet (11.2 to 25.9 meters) and 10-foot load ratings from 3,800 to 30,000 pounds (1,724 to 13,607 kilograms). Altec offers these in numerous unit configurations and mounting locations tailored to meet your needs.
Cranes & Derricks in Construction - Overview | Occupational …
网页This page is a starting point for finding information about these devices and their operation. Note: Crane and derrick safety hazards are addressed in specific standards for the general, maritime, and construction industries.
What is a Derrick in Construction?
网页2024年3月14日 · Understanding the Derrick in Construction. A derrick is a type of crane characterized by a tall mast or tower, equipped with a boom, pulleys, and ropes or cables, used to lift and move heavy loads.
Derricks - Timberland Equipment - Engineered solutions for heavy ...
网页Timberland designs and builds a broad product range of derricks including modular portable derricks which can be transported up and down high-rise buildings via elevator to high-capacity derricks installed on large civil and mining construction sites.
Crane, Derrick and Hoist Safety - Overview - Occupational Safety …
网页There are significant safety issues to be considered, both for the operators of the diverse "lifting" devices, and for workers in proximity to them. This page is a starting point for finding information about these devices, including elevators and conveyors, and their operation.
Stiff leg derricks' use in construction - AMECO
网页2023年7月25日 · Stiff leg derricks are similar to, but distinct from cranes. In this post, we explore the concept of stiff leg derricks, understand their differences from cranes, discuss derricks’ construction applications, highlight their benefits, and provide insights into acquiring one for your project.
How Do Drilling Rig Derricks Work? | 2018-06-04 - The Driller
网页2018年6月4日 · Derricks in the drilling industry basically come in two types: internally loaded and externally loaded. Examples of externally loaded derricks would include a standard Smeal rig or an oilfield workover rig.