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The Quincy Mine No. 2 Shaft Hoist House is a rectangular structure, faced with red brick veneer, [9] measuring 72 by 76 feet (22 by 23 m) in plan [2] and rising to a height of almost five stories. [12] The building is particularly decorative for a hoist house, containing an inordinate number of windows [9] and, originally, a green glazed tile ...
A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), although modern large hoists use alternating current drives that ...
The invention led to the creation of Garlock Sealing Technologies. Founded in 1887, in Palmyra, New York. For a detailed history of Garlock from its founding in 1887 until the takeover by Colt Industries in 1976, see Garlock - The First Eighty-Eight Years 1887-1975, written by Robert M. Waples and son. (Waples was President then Chairman 1955-1960)
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
(In many older tower crane designs the hoisting devices and electronics were located in the mast foot.) [65] Hoist winch: the hoist winch assembly consists of the hoist winch (motor, gearbox, hoist drum, hoist rope, and brakes), the hoist motor controller, and supporting components, such as the platform. Many tower cranes have transmissions ...
The crane's hook is kept level by automatically paying out enough extra cable to compensate for this. This is also a purely mechanical linkage, arranged by the reeving of the hoist cables to the jib over a number of pulleys at the crane's apex above the cab, so that luffing the jib upwards allows more free cable and lowers the hook to compensate.
Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. [1] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts, and can also include smaller accessories such as chains ...
Hydraulic hooklift hoists are mounted on heavy duty trucks to enable hauliers to change out flatbeds, dumpster bodies, and similar containers. Primarily used in conjunction with tilt frame bodies and specialised roller containers , generally designed for the transportation of materials in the waste , recycling , scrap and demolition industries ...