A turnbuckle is a device that is used to adjust the tension or length of a cable, wire rope, or tie rod. It consists of two threaded rods or bolts, each with a swivel eye or hook on one end and a right-hand thread on one end and a left-hand thread on the other. These rods are screwed into opposite ends of a metal frame or body, which may have one or more holes for attaching the cable or rod.
Turnbuckles are used in a variety of industries, including construction, marine, and aerospace. In construction, turnbuckles are often used to tension and adjust steel cables in structures like suspension bridges or cable-stayed bridges. They can also be used to adjust the tension of guy wires on tall structures like radio towers.
In the marine industry, turnbuckles are used to tension and adjust the rigging on sailboats and other ships. They can also be used to adjust the tension of mooring lines or anchor chains.
In the aerospace industry, turnbuckles are used to adjust and tension control cables that are used to control the movement of control surfaces like flaps and ailerons on airplanes.
Overall, turnbuckles are a versatile device that is used to adjust and tension cables or rods in a wide range of applications across various industries.