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

Claim 5:
6. 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, wherein 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 support plates is provided with a notch for dust to flow out; the driving device comprises an outer rotor motor sleeved on the support shaft and transmission devices,
the transmission devices each comprise a driving planetary gear and a driven side gear,
the driving planetary gear is fixed to a side wall of a rotor body of the outer rotor motor through a shaft fixedly connected to the intermediate roller, or the rotor body of the outer motor is directly fixedly connected to the intermediate roller,
the driven side gear is fixedly connected to a corresponding support plate,
the sealing devices are provided between the intermediate roller and the left support plate, and between the intermediate roller and the right support plate,
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.