The device adopts a transmission device with a planetary reducer belt structure.The standard number of teeth of the drive wheel is 10. If the user has special needs, on the premise of ensuring the strength of the reducer, a drive wheel with 13 teeth can be provided. The speed range is 0.5 to 10m/min, taking into account the smoothness and stability of line transportation.For service life, it is recommended that the linear speed should be 2 to 6 m/min within the allowable range of the conveying volume. When designing this drive, it was considered that the drive may be damaged due to accidents such as overloading, so it is equipped with a safety pin to protect the drive. As soon as the traction force is overloaded, the pin will be cut off immediately to protect the drive device.