一种转换轮

The chuck sliding and locking design of the conversion wheel device solves the cumbersome problem of power switching between agricultural machinery working machines, realizes fast and reliable power transmission, and improves operating efficiency and stability.

CN224515857UActive Publication Date: 2026-07-17SICHUAN KEFENG MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN KEFENG MACHINERY MANUFACTURING CO LTD
Filing Date
2025-10-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The operation of switching power between working machines in existing agricultural machinery is cumbersome, time-consuming, and poses wear and safety hazards.

Method used

The system employs a conversion wheel device, which enables rapid switching of pulleys by sliding the chuck on the support column. It utilizes the snap-fit ​​design of hooks and protrusions, and blocks and slots to ensure reliable fixation and stable power transmission.

Benefits of technology

It enables rapid switching of power output objects, avoids frequent disassembly and wear of the transmission belt, improves work efficiency, reduces the risk of equipment failure, and ensures stable operation of the working machine.

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Abstract

本实用新型涉及农机技术领域，提供一种转换轮，包括支撑柱、皮带轮一和皮带轮二，支撑柱的顶部通过轴承设置有皮带轮一，支撑柱的底部通过轴承设置有皮带轮二，支撑柱的外部设置有卡盘，卡盘的侧壁设置有卡接组件，本实用新型通过卡盘在支撑柱上的上下滑动即可快速切换动力输出对象，无需繁琐拆卸和重新安装传动带。操作人员仅需简单调节卡盘位置，就能使皮带轮一与皮带轮二交替固定，极大缩短动力切换时间，避免因频繁手动调整传动带导致的停机损耗。利用卡钩与凸块、卡块与卡槽的卡接设计，实现对皮带轮的可靠固定。当卡盘上移时，卡钩与凸块紧密咬合，限制皮带轮一转动；下移时，卡块嵌入卡槽，牢固锁定皮带轮二。
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Claims

1. A conversion wheel, comprising a support column (1), a first pulley (2) and a second pulley (3), characterized in that: The top of the support column (1) is provided with a pulley 1 (2) via a bearing, the bottom of the support column (1) is provided with a pulley 2 (3) via a bearing, the outside of the support column (1) is provided with a chuck (4), and the side wall of the chuck (4) is provided with a snap-fit ​​assembly.

2. A conversion wheel according to claim 1, wherein: The chuck (4) has a connecting groove (43) inside, the connecting groove (43) is hexagonal, and the support column (1) is hexagonal prism.

3. A conversion wheel according to claim 2, wherein: The dimensions of the connecting groove (43) are matched with the dimensions of the support column (1), and the chuck (4) is fitted onto the outside of the support column (1) through the connecting groove (43).

4. A conversion wheel according to claim 3, wherein: The snap-fit ​​assembly includes snap hooks (41) fixed to the side wall of the chuck (4), and snap blocks (42) are provided between two adjacent snap hooks (41), the snap blocks (42) being fixed to the side wall of the chuck (4).

5. A conversion wheel according to claim 4, wherein: The hooks (41) and blocks (42) are provided in three sets. The hooks (41) and blocks (42) are equally spaced on the side wall of the chuck (4). The blocks (42) face vertically downward.

6. A conversion wheel according to claim 1, wherein: The bottom of the pulley (2) is fixed with a connecting disc (21), and the bottom of the connecting disc (21) is fixed with three sets of protrusions (22) at equal intervals.

7. A conversion wheel according to claim 1 wherein: The inner side of the pulley 2 (3) is provided with three sets of slots (31) at equal intervals. Side blocks (32) are provided on both sides of the top of the slots (31). The side blocks (32) are fixed to the top of the pulley 2 (3).