Three station gear gearshifts

The utility model belongs to agricultural machinery mechanical equipment field, concretely relates to three station gear gearshifts, including ability intermeshing's power take off compound gear, excessive compound gear and the compound gear that shifts, wherein the compound gear that shifts passes through the actuating lever and drives migration between power take off compound gear and excessivecompound gear, including power take off's fast state, state and reverse transmission state at a slow speed, the utility model discloses simple structure, volume account for smaller can directly the design inside gear box casing, and the low cost manufacture of being convenient for can extensively be promoted in the agricultural machine field. 本实用新型属于农机机械设备领域，具体涉及种三工位齿轮换挡机构，包括能相互啮合的动力输出复合齿轮、过度复合齿轮和换挡复合齿轮；其中所述换挡复合齿轮通过驱动杆驱动并游走于动力输出复合齿轮和过度复合齿轮之间；包括动力输出的快速状态、慢速状态和反向传动状态；本实用新型结构简单、体积占比较小可直接设计在变速箱体内部，成本低廉便于制造加工，可广泛推广到农业机械领域内。