The internal principle and structure of an explosion-proof steel wire rope electric hoist are designed to ensure safe and reliable lifting operations in hazardous environments. Below is a detailed description of its internal principle and structure:

Internal Principle

The explosion-proof steel wire rope electric hoist operates on the principle of converting electrical energy into mechanical energy, similar to a standard electric hoist. However, it includes additional safety features to prevent sparks or explosions in hazardous environments.

Explosion-Proof Design: The hoist is equipped with explosion-proof enclosures and components to contain any sparks or flames that may occur during operation. These enclosures are typically made of flame-resistant materials and are designed to withstand the pressure and heat generated by an explosion.

Motor and Gearbox: The hoist uses a motor to drive a gearbox, which amplifies torque and reduces speed to suit the lifting requirements. The motor is explosion-proof and complies with relevant safety standards.

Wire Rope and Drum: The steel wire rope is wound around a drum, which rotates to lift or lower the load. The wire rope is made of high-strength steel and is designed to withstand the tensile forces exerted during lifting.

Brake System: The brake system ensures that the load remains stationary when the hoist is not in operation. It is crucial for safety and prevents the load from falling unexpectedly.

Control System: The control system allows the operator to safely and effectively control the hoist. It includes features such as emergency stop buttons, overload protection, and speed control.

Structure Description

Explosion-Proof Enclosure: The entire hoist is enclosed in an explosion-proof housing to protect it from sparks, flames, and explosive gases. This housing is made of durable, flame-resistant materials and includes ventilation to prevent the buildup of explosive gases.

Motor and Gearbox Assembly: The motor and gearbox are mounted within the explosion-proof enclosure. The motor drives the gearbox, which reduces the speed and increases the torque to suit the lifting requirements.

Drum Assembly: The drum is mounted on a shaft within the enclosure and is connected to the gearbox. As the gearbox rotates, the drum winds or unwinds the wire rope.

Wire Rope and Load Hook: The steel wire rope extends from the drum to a load hook, which is used to attach the load to the hoist. The wire rope is made of high-strength steel and is designed to withstand the tensile forces exerted during lifting.

Brake System: The brake system is integrated into the gearbox or drum assembly and engages when the hoist is not in operation. It prevents the load from falling and ensures safe operation.

Control Panel: The control panel is located outside the explosion-proof enclosure and allows the operator to control the hoist. It includes features such as emergency stop buttons, speed control, and indicators for the hoist's status.

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