Grain tank unloading device for combines
阅读：430发布：2022-06-01
专利汇可以提供Grain tank unloading device for combines专利检索，专利查询，专利分析的服务。并且The invention comprises an improved grain tank unloading device for agricultural machines, more especially combine-harvesters of the type having a grain tank for temporary storage of the harvested material, wherein two parallel augers are mounted on top of the grain tank bottom extending across the direction of travel, one of said augers having its discharge end at the outlet opening of the grain tank, in combination therewith a third auger, mounted perpendicular to both of said parallel augers, at the grain tank side opposite to the outlet opening and having its front end close to the discharge end of the first of the parallel augers and its discharge end close to the front end of the next of the parallel augers, which itself ends at the outlet opening of the grain tank.，下面是Grain tank unloading device for combines专利的具体信息内容。
1. Unloading device for unloading grain from agricultural machines such as combine harvesters having threshing separating and cleaning means for threshing, separating and cleaning the grain from the remainder of the crop material, grain storage means including side walls and a bottom for temporarily storing the cleaned grain, said storage means having a discharge opening; said unloading device comprising: first, second and third conveyor means disposed within said grain storage means and adjacent the bottom of the grain storage means, said first conveyor means in the storage means having a discharge end proximate to a side wall for conveying grain towards and discharging grain proximate to said side wall; said second conveyor means extending generally perpendicular to said first conveyor means, said second conveyor having a discharge end and a second end, the second end being mounted adjacent the discharge end of the first conveyor means for receiving grain at the discharge end of the first conveyor means and for conveying said grain towards its discharge end; and said third conveyor means extending generally parallel to the first conveyor means for receiving grain from the second conveyor means and for conveying it towards and discharging it proximate to said discharge opening of the storage means, opposite to said side wall.
2. In combination with the grain storage means of agricultural machines such as a combine harvester, the grain storage means having side walls and a bottom for temporarily storing the threshed and cleaned grain; said storage means having a discharge opening, the combination therewith of an unloading device comprising first conveyor means extending in the storage means and having a discharge end proximate to a side wall for conveying grain towards and discharging grain proximate to said side wall, second conveyor means extending generally perpendicular to said first conveyor means for receiving grain at the discharge end of the first conveyor means and for conveying said grain towards its discharge end; third conveyor means extending generally parallel to the first conveyor means for receiving grain from said second conveyor means and for conveying it towards and discharging it proximate to said discharge opening of the storage means, opposite to said side wall, said first and third conveyors being augers open at their sides to the grain within the grain storage means whereby grain within the grain storage means may be contacted by the side of both of the augers and subsequently conveyed.
3. Unloading device as set forth in claim 1, wherein the storage means is a grain tank mounted on a combine harvester, wherein the parallel conveyor means are augers rotating on troughs which are located on the lower parts of the bottom and wherein the second conveyor means is an auger rotating in a tube located proximate to the grain tank bottom at the opposite side of the discharge opening.
4. Unloading device as set forth in claim 3, comprising guard elements spaced above the parallel augers for controlling The grain supply towards these augers.
5. Unloading device as set forth in claim 1, wherein the storage means is a grain tank mounted on a combine harvester, wherein the parallel conveyor means are augers transversely extending to the intended direction of travel, the first auger for conveying grain away from the discharge opening, the second parallel auger for conveying grain towards the discharge opening.
6. Unloading device as set forth in claim 1, wherein the storage means is a grain tank mounted on a combine harvester; wherein the second conveyor means is an auger rotating in an auger tube, said auger and auger tube being partially spaced below the grain tank bottom, extending at both free ends through said grain tank bottom for conveying grain from the first conveyor means to the third conveyor means, and further being located in the vicinity of the side wall opposite to the discharge opening.
7. Unloading device as set forth in claim 1, wherein the conveyor means are augers; and wherein the third auger has a larger diameter than the second auger and wherein said second auger has a larger diameter than the first auger.
8. Unloading device as set forth in claim 1 wherein the first and third conveyor means are augers open at their sides to the grain within the grain storage means; and wherein the third auger has a larger diameter than the first auger.
9. Unloading device as set forth in claim 2, wherein the pitch of the parallel augers is in an opposite direction.
10. Unloading device as set forth in claim 1, comprising pivotally supported valves spaced above the discharge end of the third conveyor means and where the discharge opening of the storage means for opening and for discharging supplied grain via the valve openings into the grain tank when more grain is supplied to the discharge opening, than can be discharged through the discharge opening.
11. Unloading device as set forth in claim 4, comprising adjustable grain supply valves displaceably mounted to the guard elements; for adjustably controlling the grain supply towards the augers; transmission means extending from the grain supply valves to the outside of the grain tank for adjusting the position of the grain supply valves.
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