Cranes

Cranes

A crane is a type of machinery used for lifting and moving heavy materials in construction, transportation (loading and unloading merchandise) and other fields. Most cranes are equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them around.

Industry: Industrial machinery

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Cranes

undervoltage protection

Industrial machinery; Cranes

A device operative on the reduction or failure of voltage to cause and maintain the interruption of power in the main circuit.

overload protection

Industrial machinery; Cranes

A device operative on excessive current to cause and maintain the interruption or reduction of current flow to the equipment governed.

winch

Industrial machinery; Cranes

A device for tensioning a webbing or wire rope tie down that is fitted with means to lock the initial tension.

bridge crane controller

Industrial machinery; Cranes

A device for regulating in a pre-determined way the power delivered to the motor or other equipment.

switch

Industrial machinery; Cranes

A device for making, breaking, or for changing the connections in an electric circuit.

pawl

Industrial machinery; Cranes

A device for holding the machinery against undesired rotation by engaging a ratchet.

eddy current brake

Industrial machinery; Cranes

A device for controlling load speed in the hoisting or lowering direction by placing a supplementary load on the motor. This load results from the interaction of magnetic fields produced by an ...