A cutterhead box gear assembly safety protection structure and a grass cutting and flattening machine
By using a safety protection structure that connects the gear shaft and the cutter head seat with a flexible cylindrical pin in the cutter head box of the lawn mower, the problems of gear tooth breakage and chain tooth breakage are solved, achieving a low-cost and efficient maintenance solution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG LOVOL TRANSMISSION CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-07-21
AI Technical Summary
The existing cutter head box of the lawn mower is prone to gear damage when it encounters obstacles, resulting in a series of gear breakages, high maintenance costs and low efficiency.
Safety protection components, such as elastic cylindrical pins, are used to connect the gear shaft and the cutter head holder. The design incorporates a power link and a safety breakage structure. The gear shaft drives the seat ring to rotate synchronously. Under impact load, the safety protection components break, and the seat ring moves the cutter head holder upward, preventing damage to the gear and adjacent cutter heads.
It effectively prevents damage to gears and adjacent cutter heads. During maintenance, only safety protection components need to be replaced, reducing maintenance time and costs and improving maintenance convenience.
Smart Images
Figure CN224533366U_ABST