![]() CORN ROW UNIT
专利摘要:
corn row unit means a corn row unit including first and second longitudinally extending removal plates mounted on a frame and having opposite removal edges defining a space between them. the frame further including an adjusting arrangement operatively connecting the frame and at least one of the first and second removal plates to selectively and transversely move at least one of the first removal plate and the second removal plate with respect to the another removal plate to vary the width of the space. A loss detection device is operatively connected to the structure to allow measurement of the lost corn kernels as a result of the passage of the corn stalks through the space to separate the corn cobs from the stalks. 公开号:BR102013021364B1 申请号:R102013021364-0 申请日:2013-08-21 公开日:2019-09-24 发明作者:Joshua D. Werning 申请人:Cnh Industrial America Llc; IPC主号:
专利说明:
CORN ROW UNIT Field of the Invention [001] The invention generally relates to agricultural harvesters. It refers particularly to a set of corn harvesting heads having row units for use with an agricultural harvester. Background of the Invention [002] A maize harvesting head or maize head assembly for an agricultural harvester typically comprises a series of row units that are identical to one another. Each row unit includes a pair of locking cylinders having a locking partition formed between them. Collection chains having collection extensions guide the corn stalks into the slot partition. The locking cylinders pull the corn stalks through the locking partition and the cobs are removed from the stalks as they engage with the opposite edges of the removal plates that support the partition between the collection chains and the locking cylinders. [003] It is conventional that at least one of the two removal plates is mounted on the structure of the row unit to carry out the movement towards and away from the other plate. This movement allows the space between the opposite removal edges to be varied to accommodate different corn plantations and planting conditions. The adjustment of the space is typically performed by an adjustment mechanism including a drive lever coupled to the adjustable removal plate. [004] US 2012/029757 describes a system and method for automatically controlling the position of at least one covered plate of a corn harvesting unit in order to increase the width of a stem receiving channel or reduce forces between the plates when entering a corn support to facilitate alignment with the rows of corn, and change the Petition 870190082733, of 23/08/2019, p. 13/25 2/10 position after an appropriate period of time or other condition or event, to narrow the channel width and / or increase the compression force, to reduce grain loss while also monitoring forces exerted on the plates by the stems and adjusting responsibly the position of the plate to maintain a desired force on the rods or width. [005] US 3610252 describes a device for detecting grain loss in the position behind the straw harvester. [006] Despite having the adjustment mechanism, corn cobs may be susceptible to butt peeling. Butt hulling refers to the amount of corn kernels located from the ends of the corn cobs as the corn cobs are removed from their respective corn stalks. Although the loss of maize kernels is undesirable, it is unfortunately becoming a more prevalent feature of developing maize varieties. Operators must balance the loss of maize grains associated with protection with adequate harvesting capacity. To make matters worse, while the lost corn kernels can be viewed from the operator's cabin, the operator cannot objectively measure the amount and / or rate of loss of corn kernels. Therefore, operator adjustments are based on guesses. [007] Therefore, a corn row unit providing an objective measurement of corn kernels lost during husking would be highly desirable. [008] Other characteristics and advantages of the present invention will be apparent from the following more detailed description of the preferred modality, taken into consideration together with the attached drawings which illustrate, by way of example, the principles of the invention. Summary of the Invention Petition 870190082733, of 23/08/2019, p. 14/25 3/10 [009] The present invention relates to a corn row unit including first and second longitudinally extending removal plates mounted on a structure and having opposing removal edges that define a space between them. The frame additionally includes an adjustment arrangement operatively connecting the frame and at least one of the first and second removal plates to selectively and transversely move at least one of the first removal plate and second removal plate with respect to the other removal plate for varying the width of the space. A loss detection device is operatively connected to the structure to allow measurement of corn kernels lost as a result of removing the corn stalks through the space to separate the corn cobs from the stalks. [010] The present invention additionally relates to a combine including a corn row unit including first and second longitudinally extending removal plates mounted on a structure and having opposing removal edges that define a space between them. The structure additionally including an adjustment arrangement operatively connecting the structure and at least one of the first and second removal plates to selectively and transversely move at least one of the first removal plate and the second removal plate with respect to the other removal plate for vary the width of the space. A loss detection device is operatively connected to the structure to allow measurement of corn kernels lost as a result of the passage of the corn stalks through the space to separate the corn cobs from the stems. [011] The present invention further relates to a method of reducing a loss of corn kernels associated with the husking of corn by a combine. The method includes providing a corn row unit comprising first and second longitudinally extending removal plates Petition 870190082733, of 23/08/2019, p. 15/25 4/10 mounted on a structure and having opposite removal edges that define a space between them. The method further includes providing an adjustment arrangement operatively connecting the structure and at least one of the first and second removal plates to selectively and transversely move at least one of said first removal plate and the second removal plate with respect to another removal plate to vary the width of the space. The method further includes the husking of the corn by removing the corn stalks through the space to separate the corn cobs from the corn stalks and detecting the amount of lost corn kernels associated with the corn husking. The method additionally includes activating the adjustment arrangement to vary the width of the space between the first and second removal plates. [012] Other features and advantages of the present invention will be apparent from the following more detailed description of the preferred embodiment, taken into consideration in conjunction with the attached drawings that illustrate, by way of example, the principles of the invention. Brief Description of the Drawings [013] Figure 1 is a front perspective view of an agricultural harvester assembling a corn harvesting head assembly; [014] Figure 2 is a top front perspective view of a row unit of the corn harvesting head assembly of Figure 1, the row unit incorporating a removal plate adjustment mechanism embodying the characteristics of this invention; [015] Figure 3 is a top inverted front perspective view of a row unit in the corn harvesting head assembly of Figure 2 of the present invention; [016] Figure 4 is a bottom view of the row unit in figure 2 of Petition 870190082733, of 23/08/2019, p. 16/25 5/10 the present invention. [017] Whenever possible, the same numerical references will be used by all drawings to refer to the same or similar parts. Detailed Description of the Invention [018] With reference now to the drawings, and particularly to figure 1, an agricultural combine of generally conventional construction is seen in 10. A corn harvesting head assembly, head assembly or corn head 12 is assembled on harvester 10, cantilevered in front of harvester 10 and connected to the harvester by a feeder assembly 14. [019] As illustrated, the illustrated head assembly 12 contains four row units 16, which harvest four rows of corn simultaneously. In other embodiments, the number of rows of corn that can be harvested may differ from four. An illustrative corn plant 11 having a corn stalk 13 and corn cobs 15 having corn kernels 17 is illustrated. Corn cobs are removed from each of the four rows by a row unit 16 and then transported by an auger 18 on a hollow part 20 of a head assembly 12 to a feeder assembly 14. Feeder assembly 14 transports the corncobs. corn collected back and up and into a threshing set (not shown) in the combine body 10. [020] Referring collectively to figures 2 and 3, a row unit 16 is illustrated removed from the head assembly 12. Row unit 16 collects corn stalks 13 (not shown) as the row unit moves forward along a row of corn. [021] Each row unit 16 comprises a U-shaped structure 22 having extensions 24, 26, in each extension 24, 26 a collection chain set (not shown) is mounted for endless circulation of paths parallel to each other other. See U.S. Patent No. 6,237,342, filed December 19 Petition 870190082733, of 23/08/2019, p. 17/25 September 6, 2002 (Becker), which is incorporated by reference in its entirety. The collection chain sets, each of which includes a series of collection extensions (not shown), are designed to remove stems 13 (not shown) into a space 28 defined between the opposite edges 30, 32 of the plates or removal plates 34, 36, respectively. Plug-in rollers 38 (figure 4) under the removal plates 34, 36 pull the corn stalks down through the space 28 and the corn cobs 15 (not shown) are removed from the stems by the edges of the plates 30, 32 as that the stems are pulled down between them. [022] The collection extensions of the collection chain set (not shown) transport the removed corn cobs back and into the hollow part 20. Then, the corn cobs are deposited and transported by auger 18 to the feeder set 14. The removed corn stalks are pulled through the row unit 16 as the feeder assembly 14 moves through the field, with the stems being left in the field. [023] In an illustrative embodiment, the removal plates 34, 36 are of substantially identical construction. Its opposite edges 30, 32, respectively, define the space 28. The removal plate 34 is screwed through the partitions 40 in the extension 24 of the U-shaped structure 22. The screw connections or otherwise mechanically fixed through the respective partitions 40 of plate 34 allow plate 34 to move in a direction substantially transversely with respect to extension 24, such as in direction 54. Edge 30 of plate 34 is pushed towards edge 32 of plate 36 by an adjustment arrangement 42, such as like springs. In another embodiment, the adjustment arrangement 42 for carrying out the pushing movement of at least one of the edges 30, 32 of the respective plates 34, 36 in the direction transversely 54 in the direction of and / or away from each other can be energized by connections hydraulic, mechanical, Petition 870190082733, of 23/08/2019, p. 18/25 7/10 electrical devices or other suitable device as is well known. It should be understood that the fluid plunger may be in fluid communication with a fluid system operating at an adjustable pressure level that is capable of providing a range of forces as required by field conditions. In one embodiment, the pressure level of the fluid system can be controlled remotely from plates 34, 36, such as the combine cab, for reasons of convenience to the operator. [024] As shown in figure 4, which is a bottom view of figure 2, row unit 16 includes a loss detection device 44 operatively connected to frame 22. Loss detection device 44 is used to measure and indicate a loss of corn kernels 17 (figure 1) as a result of the butt peeling of corn kernels associated with the husking of corn cobs. The husking of the corn cobs is achieved by plug cylinders 38 pulling or removing the corn stalks 13 through the space 28 to separate the corn cobs 15 from the corn stalks 13 (figure 1). As illustrated, the loss detection device 44 is positioned under the frame 22. In one embodiment, the loss detection device 44 can be located in positions other than under the frame 22, including any location on the row unit (that is, operatively connected to the frame) that allows contact with the grains. maize separated from corn cobs during husking. In other words, it should be understood that for the purpose of locating or assembling the loss detection device, the terms structure or row unit can be used interchangeably. The loss detection device 44 is configured to generate a signal, such as an output voltage, which is carried to and received by a processor 46, in response to contact with the corn kernels 17 lost as a result of the separation of the cobs. corn from the stems. In one embodiment, the Petition 870190082733, of 23/08/2019, p. 19/25 8/10 loss detection 44 and processor 46 can have a wireless connection. The lost corn kernels can reach or come into contact with the loss detection device 44 directly or indirectly after reaching or coming into contact with the field surface and then reaching or coming into contact with the device. [025] It should be understood that the term lost corn kernels or loss of corn kernels or similar must refer to corn kernels separated from corn cobs during husking of corn by row units in the manner described above. [026] As further illustrated in figure 4, processor 46 is operatively connected to operator notification device 48. In one embodiment, processor 46 and operator notification device 48 may have a wireless connection. The operator notification device 48 alerts the operator to a magnitude of corn kernels lost by providing a visual representation, such as displaying a number featuring a cone or other contour shape that is filled or illuminated in proportion to the number of corn kernels in contact with or reaching the loss detection device 44. In other embodiments, a row or multiple rows of illuminated bars or other shape or evidence may appear in proportion to the number of corn kernels in contact with or reaching the device loss detection 44 or other visual effects that quickly and easily convey a magnitude of corn kernels lost due to corn husking. Alternatively, operator notification device 48 can alert the operator by providing an audio representation or a tactile representation or a combination of both. [027] As additionally illustrated in figure 4, the loss detection device 44 includes a protective element 50, illustrated in figure 4 in a cropped view, which allows the corn kernels to come into contact with the device Petition 870190082733, of 23/08/2019, p. 20/25 9/10 loss detection 44. In one embodiment, the protective element 50 is porous to allow the corn kernel to contact the loss detection device. In one embodiment, the protective element 50 is a screen. In one mode, the screen can have different interlacing sizes or define different formats if desired. The protective element 50 is configured to allow contact with the corn kernels while protecting the protective element 50 against other objects that can strike and damage the protective element 50. In another embodiment, the protective element 50 has a substantially open profile. That is, the protective element 50 may have protrusions 52 extending outward from each other, substantially without overlapping. For example, in one embodiment, the protective element 50 may look like a comb. [028] In operation, the loss detection device 44 detects or allows the measurement of a loss of corn kernels as a result of the husking of the corn by row unit 16 as discussed above. The loss detection device 44 generates a signal in response to contact with the lost corn kernels, allowing the detection and measurement of the quantity of lost corn kernels. In response to an operator being alerted such as by the operator notification device 48, the operator can selectively control (increase or decrease) the space between plates 34, 36 (figure 2), possibly in combination with a change in the speed of the combine , so that the amount of corn kernels lost as a result of corn husking is reduced while allowing the operator flexibility to monitor and maintain a predetermined harvesting capacity. In addition, the loss detection device 44, in combination with processor 46 and operator notification device 48, allows the operator to monitor corn kernels lost as a result of corn husking in response to changing field conditions and similar, while Petition 870190082733, of 23/08/2019, p. 21/25 10/10 maintains the harvesting capacity. [029] While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes can be made and equivalences can be replaced by elements without departing from the scope of the invention. In addition, many modifications can be made to adapt a particular or material situation to the teachings of the invention without departing from its essential scope. Therefore, it is intended that the invention is not limited to the particular mode described as the best contemplated way of carrying out that invention, but that the invention includes all modalities that are within the scope of the appended claims.
权利要求:
Claims (11) [1] 1. Corn row unit (16), comprising: first and second longitudinal extension removal plates (34, 36) mounted on a structure (22) and having opposite removal edges that define a space between them; the frame (22) comprising an adjustment arrangement (42) operatively connecting the frame (22) and at least one of the first and second removal plates (34, 36) to selectively and transversely move at least one of the first removal plate (34) and the second removal plate (36) with respect to the other removal plate (34, 36) to vary the width of the space (28); FEATURED by the fact that the structure (22) additionally comprises a loss detection device (44) operatively connected to the structure (22) to allow the measurement of corn kernels (17) lost as a result of the passage of corn stalks (13 ) through the space (28) to separate the corn cobs (15) from the stems (13) and in which the loss detection device (44) is positioned under the frame (22). [2] 2. Corn row unit (16), according to claim 1, CHARACTERIZED by the fact that the loss detection device (44) generates a signal in response to contact with the lost corn kernels (17). [3] 3. Corn row unit (16) according to claim 2, FEATURED by includes a controller for receiving the signal. [4] 4. Corn row unit (16) according to claim 3, FEATURED by includes an operator notification device (48) to alert the operator of a magnitude of lost corn kernels (17). [5] 5. Corn row unit (16) according to claim 4, CHARACTERIZED by the fact that the operator notification device provides Petition 870190082733, of 23/08/2019, p. 23/25 2/2 a visual representation corresponding to the magnitude of corn kernels (17) lost. [6] 6. Corn row unit (16) according to claim 4, CHARACTERIZED by the fact that the operator notification device (48) provides an audio representation corresponding to the magnitude of lost corn kernels (17). [7] 7. Corn row unit (16), according to claim 1, CHARACTERIZED by the fact that the loss detection device (44) includes a porous protection element (50) configured so that the corn kernels (17 ) pass at least partially through it. [8] 8. Corn row unit (16) according to claim 7, CHARACTERIZED by the fact that the protective element (50) is a canvas. [9] 9. Corn row unit (16) according to claim 7, CHARACTERIZED by the fact that the protective element (50) has an open profile. [10] 10. Corn row unit (16), according to claim 9, CHARACTERIZED by the fact that the protective element (50) has a comb shape. [11] 11. Combine harvester CHARACTERIZED by the fact that it comprises a corn row unit (16), as defined in any one of claims 1 to 10.
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同族专利:
公开号 | 公开日 BR102013021364A2|2015-07-14| EP2702855B1|2017-06-07| US20140053524A1|2014-02-27| US8820039B2|2014-09-02| EP2702855A1|2014-03-05|
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法律状态:
2015-07-14| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]| 2016-12-06| B25D| Requested change of name of applicant approved|Owner name: CNH INDUSTRIAL AMERICA LLC (US) | 2018-03-06| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]| 2018-03-13| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]| 2018-03-20| B06I| Publication of requirement cancelled [chapter 6.9 patent gazette]|Free format text: ANULADA A PUBLICACAO CODIGO 6.6.1 NA RPI NO 2462 DE 13/03/2018 POR TER SIDO INDEVIDA. | 2019-05-28| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]| 2019-09-10| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
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申请号 | 申请日 | 专利标题 US13/594,933|US8820039B2|2012-08-27|2012-08-27|Cornhead crop loss detection| US13/594,933|2012-08-27| 相关专利
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