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

Claim 2:
3. A differential traveling roller driven by a built-in outer rotor motor, comprising:
a left roller;
a right roller;
a support shaft;
a driving device; and
a sealing device,
wherein
the driving device and the sealing device are provided in an inner cavity formed by the left roller and the right roller,
a sealing structure is formed by and between the left roller and the right roller,
the support shaft is provided on an axis of the left 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, a motor end cap and a transmission device,
the motor end cap is connected to an end wall of the outer rotor motor,
a shaft of a driving planetary gear of the transmission device is fixedly connected to a side wall of a rotor body of the outer rotor motor,
a driven side gear of the transmission device is connected to a corresponding support plate,
the sealing device is provided between the left support plate and the right support plate and is circumferentially provided outside the driving planetary gear,
a left supporting sealing plate and a right supporting sealing plate are respectively provided on the support shaft at ends of the left roller and the right roller, and
an end of the support shaft is provided with a flat position to prevent the support shaft from rotating.