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  2. Overhead crane - Wikipedia

    en.wikipedia.org/wiki/Overhead_crane

    1830: First Crane company in Germany, Ludwig Stuckenholz company. [3]1840: Mass production of overhead cranes starts in Germany. 1854: Sampson Moore & Co in Liverpool, England patents a new winch mechanism that allowed the lifting of heavier weights (such as naval guns) by an electric motor.

  3. Precast concrete lifting anchor system - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete_lifting...

    Dynamic loads considered in lifting design are accounted for in two stages; suction to the casting bed on the initial lift and then the dynamic loads induced from crane vibration. These crane impact loads must be accounted for during transportation in the yard and on-site, and the coefficient increases from an overhead gantry crane through to a ...

  4. Eurocode 3: Design of steel structures - Wikipedia

    en.wikipedia.org/wiki/Eurocode_3:_Design_of...

    EN 1993-6 gives principles and application rules for the structural design of crane runaway beams and other crane supporting structures including columns and other member fabricated from steel. This part is intended to be used with Eurocode EN 1991-1 and it covers overhead crane runaways inside buildings and outdoor overhead crane runaways.

  5. Lifting beam - Wikipedia

    en.wikipedia.org/wiki/Lifting_beam

    Rigging of an asymmetrical scaffolding piece: the lifting beam is blue, the load is attached to the beam using grey slings. The lifting beam (also known as traverse, spreader beam) is a steel beam that is attached to the hook of the crane in order to spread the slings from one end of an elongated load (like a wall panel) to another.

  6. Lifting equipment - Wikipedia

    en.wikipedia.org/wiki/Lifting_equipment

    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 ...

  7. Accredited Crane Operator Certification - Wikipedia

    en.wikipedia.org/wiki/Accredited_Crane_Operator...

    1971 – OSHA passes 29 CFR 1926.550, which is the standard for cranes and derricks used in construction for the next 41 years. [3]1995 – The National Commission for the Certification of Crane Operators (NCCCO) is established by the crane and lifting industry as a nonprofit organization to develop a certification program for crane operators.

  8. Manual handling of loads - Wikipedia

    en.wikipedia.org/wiki/Manual_handling_of_loads

    The NIOSH lifting equation is a tool (now application) that can be used by health and safety professionals to assess employees who are exposed to manual lifting or handling of materials. [7] The NIOSH lifting equation is a mathematical calculation which calculates the Recommended Weight Limit (RWL) using a series of tables, variables, and ...

  9. Hoist (device) - Wikipedia

    en.wikipedia.org/wiki/Hoist_(device)

    Overhead hoists are defined in the American Society of Mechanical Engineers B30 [1] standards as a machinery unit that is used for lifting or lowering a freely suspended (unguided) load. These units are typically used in an industrial setting and may be part of an overhead crane.

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