Differential conical drive

摘要

The present disclosure provides differential drive assemblies and methods of making and operating differential drive assemblies. The differential drive assembly includes a rotor having a rotor axis about which the rotor is configured to rotate. The rotor has a peripheral wall portion encircling the rotor axis that is positioned a varying distance radially outward from the rotor axis. The differential drive assembly also includes a base coupled to the rotor. That includes a first plurality of pulleys and a carriage movably coupled to the base that includes a second plurality of pulleys and is movable with respect to the base. The differential drive assembly includes a rope wound about the rotor. The rope extends from the peripheral wall portion of the rotor to the second plurality of pulleys. The rope extends from the second plurality of pulleys to the first plurality of pulleys to form a continuous rope circuit.

主权项

1. A differential drive assembly comprising:
a rotor having a rotor axis about which the rotor is configured to rotate, the rotor having a peripheral wall portion encircling the rotor axis, the peripheral wall portion positioned a distance radially outward from the rotor axis, the distance radially outward of the peripheral wall portion varying along a length of the axis, the peripheral wall portion including a pair of parallel spiral grooves; a base coupled to the rotor, the base including a first plurality of pulleys; a carriage movably coupled to the base, the carriage including a second plurality of pulleys, the carriage movable with respect to the base, the base movably coupled to the carriage via at least one guide shaft and at least one guide tube, the at least one guide tube configured to slidably receive the at least one guide shaft to maintain the carriage moving linearly along the rotor axis; and a rope wound about the rotor, the rope extending tangentially from the peripheral wall portion of the rotor to the second plurality of pulleys, the rope extending from the second plurality of pulleys to the first plurality of pulleys, the rope wound about the rotor positioned in a portion of both spiral grooves.