Pneumatic hoist is a lifting equipment that uses compressed air as the power source, with features such as compact structure, convenient operation, safety and reliability. 

It usually consists of a lifting mechanism, a walking mechanism, and an air distribution system, which can control the speed and direction of the hoist's movement by controlling the flow and direction of compressed air.

Pneumatic hoists are widely used in various industrial fields, such as steel, chemical, shipbuilding, power, etc., 

for lifting, handling, and stacking heavy objects, improving work efficiency and safety. Due to its explosion-proof performance, pneumatic hoists are often used in hazardous workplaces such as flammable, explosive, high-temperature, and high dust.

According to different structures and functions, pneumatic hoists can be divided into various types such as blade type, piston type, cylinder type, etc. 

Each type of pneumatic hoist has its unique characteristics and uses. 

For example, the blade type pneumatic hoist has a simple structure, convenient maintenance, and is suitable for various environments; 

The piston type pneumatic hoist is small in size, light in weight, and easy to operate, suitable for various workplaces; 

The cylinder type pneumatic hoist has a fast lifting speed and is suitable for lifting and moving heavy objects.

In order to ensure the normal operation and service life of the pneumatic hoist, regular maintenance is required, including cleaning, lubrication, inspection, etc.

At the same time, it is also necessary to pay attention to safety operating procedures during use to avoid accidents.

In short, pneumatic hoist is an efficient, safe, and reliable lifting equipment that plays an important role in various industrial fields and hazardous workplaces.