The working principle of a stage chain hoist is relatively straightforward, yet it involves several key components working together to lift and lower heavy loads safely and efficiently. Here's an overview of the basic working principle:

Electric Motor: At the heart of the stage chain hoist is an electric motor. This motor provides the power needed to drive the lifting mechanism. It can be an AC or DC motor depending on the design of the hoist.

Gearbox: The electric motor is connected to a gearbox, which serves to increase the torque and reduce the speed of the motor's output. This gearing system allows the motor to provide sufficient power for lifting heavy loads while maintaining control over the speed of the lifting operation.

Drum and Chain: Connected to the gearbox is a drum around which a steel chain is wound. The chain is a critical component responsible for lifting and lowering the load. It is made of high-strength steel to withstand heavy loads and frequent use.

Brake System: A brake system is integrated into the hoist to prevent the load from falling in the event of a power failure or motor malfunction. The brake engages automatically when the motor is not actively lifting or lowering the load, providing an additional layer of safety.

Control System: The hoist is equipped with a control system that allows operators to raise, lower, and stop the movement of the load. This control system can be manual, where the operator uses a hand-operated control pendant or lever, or it can be remote-controlled via a wired or wireless remote.

Safety Features: Stage chain hoists are designed with various safety features to protect against overloading, slack chain, and other potential hazards. These may include limit switches that prevent the hoist from lifting beyond its rated capacity, as well as slack chain detection systems that ensure the chain remains properly tensioned during operation.

Frame and Housing: All of these components are housed within a sturdy frame or housing designed to withstand the rigors of stage use and provide protection against environmental elements.

When the hoist is in operation, the electric motor drives the gearbox, which in turn rotates the drum, causing the chain to either wind up or unwind. This movement lifts or lowers the load attached to the chain. The operator controls the direction and speed of the hoist using the control system, while the brake system ensures that the load remains securely in place when the hoist is not actively lifting or lowering.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment