With the widespread use of running electric hoists, it is important to understand their starting principles and basic introductions. Below is a detailed explanation of these aspects:

Basic Introduction of Running Electric Hoists

Running electric hoists, also known as electric cranes or electric lifts, are lifting devices powered by electricity. They are widely used in workshops, warehouses, and other places for lifting, lowering, or moving goods. Running electric hoists are characterized by their compact structure, easy operation, and high efficiency.

Starting Principles of Running Electric Hoists

The starting principles of running electric hoists mainly involve the following aspects:

Power Supply and Motor Operation:

The electric hoist is powered by an electric motor, which is usually a three-phase asynchronous motor.

When the power is turned on, the motor starts to rotate, driving the lifting mechanism (such as a drum or chain) to rotate.

The rotation of the lifting mechanism causes the lifting rope or chain to wind or unwind, thereby lifting or lowering the load.

Control System:

The control system of the electric hoist includes switches, relays, and other electrical components.

These components control the starting, stopping, and speed regulation of the motor.

The control system also includes safety devices such as overload protectors and limit switches to ensure the safe operation of the hoist.

Braking System:

The braking system of the electric hoist is crucial for ensuring the stability and safety of the load during lifting and lowering.

It usually adopts electromagnetic brakes or mechanical brakes to control the rotation of the motor and lifting mechanism.

When the power is turned off or an emergency stop is triggered, the brake will automatically engage to prevent the load from falling.

Load Handling:

The load handling capacity of the electric hoist depends on its design and specifications.

It can handle loads ranging from a few kilograms to several tons.

The load is usually attached to the lifting rope or chain using hooks, clamps, or other lifting accessories.

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