Supporting structure of college classroom sliding blackboard

The utility model discloses a supporting structure of a sliding blackboard for a college classroom, which comprises a dust receiving component, a dust collecting component, a dust collecting component, a dust collecting component, a dust collecting component and a dust collecting component, and the dust collecting component is used for collecting chalk dust generated by the sliding blackboard; the sliding blackboard assembly is used for enabling the first blackboard to be flexibly used; the mounting assembly is used for mounting the sliding type blackboard and the supporting structure assembly of the sliding type blackboard, and the dust receiving assembly is mounted at the front end of the bottom of the mounting assembly. According to the blackboard, the second sliding rail is arranged at the rear end of the first blackboard, so that no matter the first blackboard moves or writes, chalk dust cannot fall into the second sliding rail of the sliding supporting structure, the service life of the second sliding r