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  2. Hoist (device) - Wikipedia

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

    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.

  3. Electro-hydraulic actuator - Wikipedia

    en.wikipedia.org/wiki/Electro-hydraulic_actuator

    Electro-hydraulic actuators (EHAs), replace hydraulic systems with self-contained actuators operated solely by electrical power. EHAs eliminate the need for separate hydraulic pumps and tubing, because they include their own pump, [ 1 ] simplifying system architectures and improving safety and reliability.

  4. Telescopic cylinder - Wikipedia

    en.wikipedia.org/wiki/Telescopic_cylinder

    Telescopic cylinders must only be used in machinery as a device for providing force and travel. Side forces and moment loads must be minimized. Telescopic cylinders should not be used to stabilize a structural component. [4] Hydraulic telescopic cylinders are often limited to a maximum hydraulic pressure of 2000-3000 psi.

  5. Rotary actuator - Wikipedia

    en.wikipedia.org/wiki/Rotary_actuator

    The most common actuators are electrically powered; others may be powered pneumatically or hydraulically, or use energy stored in springs. The motion produced by an actuator may be either continuous rotation, as for an electric motor , or movement to a fixed angular position as for servomotors and stepper motors .

  6. Actuator - Wikipedia

    en.wikipedia.org/wiki/Actuator

    Electric rotary actuators use a rotary motor to turn the target part over a certain angle. [11] Rotary actuators can have up to a rotation of 360 degrees. This allows it to differ from a linear motor as the linear is bound to a set distance compared to the rotary motor.

  7. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between levels. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist , although some pump hydraulic fluid to raise a cylindrical piston like a jack .

  8. Hydraulic cylinder - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_cylinder

    The hydraulic cylinders on this excavator operate the machine's linkages. Hydraulic cylinders in a hot press of a particle board machine. A hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke.

  9. Hydraulic hooklift hoist - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_hooklift_hoist

    Lift and dump capacities of hydraulic hooklift hoists typically range from 8,000 to 68,000 lb (3,630 to 30,800 kg). Generally a hoist is capable of lifting (off the ground) and dumping (onto the ground) the same maximum capacity, although there can be exceptions where short wheel bases are involved.

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