Material handling system and monitoring system and monitoring method for particles in traveling area of overhead hoist transfers

A monitoring system for particles in a traveling area of overhead hoist transfers, comprising:

• four gas collectors, two gas collectors respectively arranged on two sides of a front gearbox of each overhead hoist transfer and two gas collectors respectively arranged on two sides of a rear gearbox of each overhead hoist transfer:
• each gas collector comprises a probe and a gas collecting tube, and the probe is connected to the gas collecting tube, each gas collector configured to obtain gas to be tested around traveling wheels of each overhead hoist transfer;
• a particle counter, connected to the four gas collectors, and configured to test the gas to be tested for the size and number of particles in the gas to be tested;
• and
• an alarm apparatus, electrically connected to the particle counter, and configured to acquire the size and number of the particles tested and alarm when determining that a content of particles does not meet a preset standard.