Patent ID: 11967876
Assignee: TIMOTION TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  H | IPC H

Claim 7:
8. An industrial heavy load electric linear actuator, comprising:
a gearbox (10);
an electric motor (20), connected to the gearbox (10);
a lead screw (30), a portion thereof received inside the gearbox (10) and driven by the electric motor, and another portion thereof extended to outside of the gearbox (10);
an extension pipe (40), movably fastened with the lead screw (30);
a load bearing structure (50), comprising a sleeve (51), a bearing (52), a fastening element (53), a fixation seat ring (54) and a rear supporting seat (55), the sleeve (51) mounted on the lead screw (30) and holding the bearing (52) jointly with the fastening element (53), and the fixation seat ring (54) and the rear supporting seat (55) holding the bearing (52) and disposed on outer perimeters of the sleeve (51) and the fastening element (53); and
at least one braking mechanism (70), the electric motor (20) comprising a driving pear (23), and the braking mechanism (70) arranged inside the gearbox (10) and disposed on one lateral side of the driving gear (23),
wherein the braking mechanism (70) comprises a shaft (71), a driven gear (72) and a braking assembly (73), the shaft (71) penetrates through the driven gear (72) and is arranged inside the gearbox (10), the driven gear (72) is engaged with and driven by the driving gear (23), and the braking assembly (73) is mounted on the shaft (71).