gin pole


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gin pole

[′jin ‚pōl]
(mechanical engineering)
A hand-operated derrick which has a nearly vertical pole supported by guy ropes; the load is raised on a rope that passes through a pulley at the top and over a winch at the foot. Also known as guyed-mast derrick; pole derrick; standing derrick.
References in periodicals archive ?
They came out with a jeep (I believe the jeep belonged to the plumber who put in the new pump and the piping), a swing gin pole (a pole with a pulley or block and tackle on the end, used for lifting), a hay rope and a 30-gallon barrel.
They ran the rope from the jeep to the gin pole to the barrel.
Extensive testing has been carried out on the gin pole body, and the rear roller.
He added a gin pole and cable block and tackle for lowering and raising the turbine for maintenance--he greases it about every six months.
It is also fitted with a hydraulic operated cable winch with a gin pole and boom to retrieve large round blocks of wood.
I used the loader to lean the gin pole beside the outer wall at an angle that placed the top of the pole about 30' above the center of the house.
The custom-built trucks, are designed to be used by contractors working in the oil and gas fields, and with a Gin Pole body are used to carry heavy loads in oil and gas fields, such as heavy 50-tonne power packs.
Use of a crane was much safer than the horse-powered technique used decades ago, employing a gin pole and block and tackle.
The basic idea is to hinge the tower at the base and attach a gin pole to it at a 90-degree angle.
The guy wires were attached and inspected; the gin pole was assembled and attached to the lifting guy wires.
The gin pole is used to raise and lower the tower, and is usually about 1/2 the tower height.
To the top of the gin pole the hook of a come-along was chained securely through a large hole in the 4 by 4.