Patent ID: 11939166
Assignee: GREENMAN MACHINERY COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  H  F  A  Y | IPC B  F  H

Claim 3:
4. A differential traveling roller driven by a built-in outer rotor motor, comprising:
a left roller;
an intermediate roller;
a right roller;
a support shaft;
a driving device; and
sealing devices,
wherein
the driving device and the sealing devices are provided in an inner cavity formed by the left roller, the intermediate roller and the right roller,
sealing structures are respectively formed by and between the intermediate roller and the left roller, and by and between the intermediate roller and the right roller,
the support shaft is provided on an axis of the left roller, the intermediate roller and the right roller,
an inner wall of the left roller is connected to a left support plate, and an inner wall of the right roller is connected to a right support plate,
an outer ring of each of the left support plate and the right support plate is provided with a notch for dust to flow out,
the driving device comprises an outer rotor motor sleeved on the support shaft,
two end walls of a rotor body of the outer rotor motor are respectively connected to end cap seats,
transmission devices are respectively provided between the end cap seats and the corresponding support plates on corresponding sides,
a side wall of the rotor body of the outer rotor motor is integrally connected to the intermediate roller,
the transmission devices each comprise pawl members fixedly sleeved on the end cap seats and ratchet wheel members connected to the corresponding support plates,
the sealing devices are provided between the left support plate and the corresponding end cap seats and between the right support plate and the corresponding end cap seats,
a left supporting sealing plate and a right supporting sealing plate are provided on the support shaft at ends of the left roller and the right roller, respectively, and
an end of the support shaft is provided with a flat position to prevent the support shaft from rotating.