The belt drive transmission system has become a key area of continuous innovation and improvement. While traditional chain drives have long dominated the market, belt drive systems have emerged as a rising technology in recent years. Offering cyclists a fresh riding experience, this system stands out with its advantages in efficiency, maintenance, and environmental sustainability.
The bike belt is the core component of the belt drive transmission system. Typically made from high-strength synthetic materials like carbon fiber-reinforced rubber or specialized polyurethane, these materials provide the bike belt with exceptional strength and flexibility.
The surface of the bike belt is designed with a special texture, which enhances friction with the belt pulleys, ensuring effective power transmission. Unlike traditional chains, the bike belt is a continuous, seamless loop without any links, resulting in smoother and quieter operation.
Belt pulleys play a critical role in the belt drive transmission system. They are generally divided into two types:
Driving Pulley: Connected to the pedals and responsible for transmitting power from the rider's pedaling motion.
Driven Pulley: Attached to the rear wheel hub, receiving power from the driving pulley via the bike belt.
Belt pulleys are typically made of aluminum alloy or high-strength engineering plastics and undergo precision manufacturing.
The design of the pulley teeth is essential. The tooth profile must precisely match the texture of the bike belt, ensuring proper engagement for efficient power transmission. The pulley surface is often specially treated to enhance wear resistance and friction.
When a cyclist pedals, the force is transferred from the pedals to the driving pulley. As the driving pulley rotates, the friction between the bike belt and the pulley teeth, along with the interlocking of the belt's textured surface with the pulley teeth, propels the belt into motion.
The rotating belt then drives the driven pulley, which transfers the power to the rear wheel hub, ultimately propelling the bicycle forward. Throughout this process, the bike belt acts as a silent and seamless connector, efficiently transferring the rider's energy to the rear wheel.
