A kind of foot rest structure of farm machinery,It is for an equipment ontology coupling one of leg means,Leg means include a hinged arm part,It is to couple one of equipment ontology bearing support component； One bracket group,It is two rod pieces for a corresponding configuration,The both ends of one end coupling hinged arm part of aforementioned two rod piece,Its other end is separately connected a wheel body,And the coupling end of what one rod piece is equipped with a hole； One stop element,It is the outside for setting what bearing support component and the one end for coupling hinged arm part,And stop element has a Ka Gou； One snap-fit element,It is to set what to correspond to the side of stop element and couple fixed what bracket group,Snap-fit element has a channel； One actuation rod piece,It is to set between two rod piece of what bracket group,The actuation rod piece side of neighbouring stop element is equipped with a bar,And the actuation rod piece end of the aforementioned side is worn and except projection what channel； And an elastic element,It is that both ends hook conjunction what bar and hole respectively； Wherein actuation rod piece can one of what channel limit direction and move freely.一種農用機械之腳架結構，其係為與一機具本體耦接之一腳架裝置，腳架裝置包含有一樞桿件，其係耦接該機具本體之一承載支架組件；一支架組，其係為一相對應配置之兩桿件，前述該兩桿件之一端耦接樞桿件之兩端，其另一端分別連接一輪體，而於其一桿件之耦接端設有一孔洞；一止擋元件，其係設於承載支架組件之外側並且耦接樞桿件之一端，而止擋元件具有一卡溝；一卡合元件，其係設於對應止擋元件之該側並且耦接固定於支架組，卡合元件具有一溝道；一作動桿件，其係設於支架組之該兩桿件之間，鄰近止擋元件之作動桿件一側設有一擋桿，且前述該側之作動桿件末端穿設並突伸於溝道之外；以及一彈性元件，其係兩端分別勾合於擋桿與孔洞；其中作動桿件可於溝道中之一限定方向自由移動。
