CPC F16H 48/29 (2013.01) [F16H 48/11 (2013.01); F16H 48/22 (2013.01)] | 9 Claims |
1. A differential self-locking device, comprising:
a differential housing;
a half-shaft output gear set;
an upper worm and worm gear mechanism;
a lower worm and worm gear mechanism;
a differential planetary gear set;
a worm gear shaft;
brake pads; and
a positioning shaft sleeve;
wherein the half-shaft output gear set, the upper worm and worm gear mechanism, the lower worm and worm gear mechanism, the differential planetary gear set, the worm gear shaft; the brake pads; and the positioning shaft sleeve are disposed in the differential housing; the half-shaft output gear set comprises a left half-shaft output gear and a right half-shaft output gear; the left half-shaft output gear and the right half-shaft output gear are symmetrically disposed in the differential housing;
wherein the upper worm and worm gear mechanism and the lower worm and worm gear mechanism are rotationally symmetrically disposed; the upper worm and worm gear mechanism and the lower worm and worm gear mechanism are connected to the left half-shaft output gear and the right half-shaft output gear;
wherein the differential planetary gear set is disposed between the upper worm and worm gear mechanism and the lower worm and worm gear mechanism; the differential planetary gear set is connected to the upper worm and worm gear mechanism, the lower worm and worm gear mechanism, the left half-shaft output gear, and the right half-shaft output gear through gear meshing; the worm gear shaft is disposed between the left half-shaft output gear and the right half-shaft output gear.
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