Ads
related to: homemade a frame hoist plans
Search results
Results From The WOW.Com Content Network
An A-frame is a basic structure designed to bear a load in a lightweight economical manner. The simplest form of an A-frame is two similarly sized beams , arranged in an angle of 45 degrees or less, attached at the top, like an uppercase letter 'A'.
Headframe of the #1 Shaft at Oyuu Tolgoi. A steel headframe is less expensive than a concrete headframe; the tallest steel headframe measures 87 m. [4] Steel headframes are more adaptable to modifications (making any construction errors easier to remedy), and are considerably lighter, requiring less substantial foundations.
1600 ton maximum lift capacity sheerleg Taklift 7 of Smit International. Fixed shear legs are most commonly found on floating cranes known as floating sheerlegs.These have heavy A-frame booms and vary in lifting capacity between 50 and 4,000 tons, and are used principally in shipbuilding, other large scale fabrication, cargo management, and salvage operations.
These can me mounted in a variety of locations throughout the hoist. When activated, a red warning light and/or alarm sounds in the cab. Below grade reach is the distance that the hook head travels below the lifting bar on the container. This distance varies between hoist systems, ranging from 1 to 24 in or 25 to 610 mm.
The Bennati House, in Lake Arrowhead, California. Rudolph Schindler's original A-frame design, 1934. An example of an A-frame house in Gillette, Wyoming Traditional A-frame thatched house (palheiro), Santana, Madeira, Portugal An A-frame house owned and restored by Nicky Panicci in the Hollywood Hills, an example of an architectural A-frame.
A-frame derrick. An A-frame derrick is one in which the boom is hinged from a cross member between the bottom ends of two upright members spread apart at the lower ends and joined at the top; the boom point secured to the junction of the side members, and the side members are braced or guyed from this junction point. [2] [4]