Combine cleaner

专利摘要:
The invention relates to the field of agriculture, namely to cleaning the combine harvester. The purpose of the invention is to improve the overall volumetric efficiency of cleaning the combine. The feed pan (PP) from the front impermeable and rear lattice parts receives material from the threshing device B and the straw walker 10./The material is transported to the upper sieve by means of finger guides. The fan channel is interfaced with the upper and lower screens, which helps the air flow to sieve. Clean grain passes down to the grain auger. An additional channel of the fan is located under the G1 and is connected to the front end of the grain pan. The material on the lattice part of the PP is blown with air flow and machined so that an additional fraction of clean grain passes through the grain pan. It is directed to the front inclined element of the guide device, coupled with the fan duct for additional purging with air flow. The rear inclined member guides this mass to the auger. The material from the upper sieve is transported through a hole located in the rear of the lower sieve to the auger for removal of the unmolded corn mass. 2 hp f-ly, 3 ill. § CO with u with cm Figure 1
公开号:SU1291015A3
申请号:SU843710663
申请日:1984-03-06
公开日:1987-02-15
发明作者:Виллъям Питерс Лорен；Джеймс Тернер Рид
申请人:Диир Энд Компани (Фирма)；
IPC主号:

专利说明:

112
The invention relates to a part and a combine harvester or a threshing mechanism, the task of which is to take the grain material from the threshing and separation section of the machine and sift or filter the material so as to isolate the clean grain for feeding into the grain tank or other receiver.
The aim of the invention is to increase the overall volumetric efficiency of cleaning the combine.
FIG. 1 shows a self-propelled combine harvester, side view; in fig. 2 - the same, threshing, separating and cleaning parts of the combine, side view; in fig. 3 - the same, the rear parts along the lower and upper sieves, side view.
The body 1 of the combine is supported above the ground. The drive wheels 2 (with the drive axle 3) and the rear steerable wheels 4 rest on the front. The machine is controlled from the front operator's cab 5 The front-mounted picker 6 removes the grain material from the floor and directs it to the feed jacket 7 for transfer to the threshing zone, defined by the conventional threshing device 8, partially covered by the open concave part 9. Behind the concave part 9 is the straw walker with 10 connected to the threshing device 8 by means of a beater 11. Under the straw walker 10 there is a swing A returnable pallet 12 is provided with an upper discharge edge 13. Under the straw billet 10 there is a separating part 14, where clean grain is separated from the ground, broken straw, etc. and is introduced into the grain tank 15 using conventional conveyors (not shown).
The functions performed by the device and the composition of the device of the separating part 14 are to some extent common (Fig. 2). A horizontal and flat receiving element 16, Corresponding, at least partially to a conventional grain pan, serves to bring in material from the threshing and separating section and to transport, at least, part of it back to the upper sieve 17, which has located at the bottom along the unloading edge 18 and which is shifted back and

five
0
5 o 0 5
0 s
52
down from the feed pan 16. The bottom sieve 19 is directly below the screen 17. The fan 20, mounted in front of and slightly below the top 17 and bottom 19 sieves, creates a backward and upward airflow to the bottom side of these elements, helping them to sieve. Below the lower screen 19 is a forward and downwardly sloped pan 21, which is connected to a grain auger 22 for clean grain. The downstream part of the screens 17 and 19 is connected with the screw 23 for removal of the under-milked mass.
Considering the part 14 to be examined in more detail, it can be noted that the supply pallet 16 contains the front impermeable part 24 and for receiving the grain material after threshing and mainly the rear lattice part 25 coplanar with it, having a back or far along edge 26 of the ridge from which a series of conventional finger-shaped guides 27.
Grain pallet 28 is installed near under the grating part 25 of the feed pallet 16 and extends almost along its entire length. The feed pan 16 and grain pan 28 are almost horizontal, but preferably they converge slightly backward, as shown in FIG. 2,
The wheel structure 29 of the fan 20 is provided in the case 30 having suitable nozzles so that air can be fed back and up from the bottom side of the screens of the upper 1 7 and lower 1 9 screens through the main duct 31, as well as back and up to the the lower side of the rear lattice part 25 of the delivery pallet 16 by means of an additional channel 32, which leads to the front, interacting with a reflector or a joint.
The transverse frontal element 33 passing in the form of sheet metal reflective part is positioned so that it is possible to receive grain material passing over the rear edge 34 of the grain pan 28. The reflective surfaces of the front 33 and rear 35 inclined elements are affected in order to control the combined the grain flow from the grain pan 28 and farther down the section of the grid part 25, so that it passes far forward from the bottom sieve 19 and is discharged approximately vertically on transversely extending downwardly and rearwardly inclined portion 36 of the tray 37 of the screw 22 to pure grain.
The main or front part of the lower sieve 19 includes a grid part 38 corresponding to the sieve of a conventional separating part and containing a rear or discharge edge 39. Almost coplanar with the grid part 38, but with an offset from it back, there is an expanded part 40 sieve 19 having an the transverse edge 41. This edge and the rear edge 39 of the lattice part interact, forming a hole 42 for waste in a sieve 19, located approximately above the screw 23. The lattice part 38 and the expanded part 40 of the sieve are made on the same frame 43, which is better than it is shown in FIG. 3
As shown in FIG. 2, the entire grain pan and the sieves of the separating part 14, as well as the swinging return pallet 12 are suspended as usual on hangers, as shown by the example of suspension bars 44 and 45. These elements are assembled or joined together in one or more assembly units, so that when connected with the possibility of driving through a simple power crank 46, using links 47 and 48, mainly horizontal translational-return motion is transmitted to elements passing into excitation and performing translational displacement of the grain material, State to them backwards. For example, feeding My pan 16 and top sieve 17 can be connected together by connecting link 49 so that they can move in a single unit. Adjusting levers (not shown) for the louver openings of the lower sieve may be located on the rear edge 50. The upper sieve 17 has a rear or a long edge 51 of its pivotal parts and finger guides 52.
Cleaning combine works as follows.
With the forward movement of the machine forward along the field, the
-
five
about 0 5
grain material and feed it to the threshing zone, where threshing and separation begins. From the arrangement of the components shown in FIG. 2, it can be concluded that the lattice portion 25 of the feed pan 16, which is closer along the course, receives primarily grain-rich material from the concavity 9 of the threshing device 8. A characteristic of a conventional threshing device and the concavity is that the proportion of the grain is relatively high, present in the mass of the grain material, passes through the openings in the open concavity 9 with a relatively small proportion of crushed stone and other small particles. Most of the grain mass (straw, leaves, etc.) with the remaining grain passes through the straw walkers.
The closer to the lattice part 25, to which the grain-rich material comes directly from the concavity or is transmitted from the front impermeable part 24 of the pallet, the holes of which are fitted appropriately, immediately starts a very effective sieving operation or calibration made from using mechanical excitation of the feed pallet 16 and aerodynamic exposure of air from the scoop and channel 32, so that most of the grain contained in the material passes in the form of pure grain
down on the grain tray 28. I
Most of the material allocated to the straw walker 10 for straw passes down to the overhead return pan 12 and extends to the second or further grating part 25 along the discharge edge 13 of the return pan. This more massive material contains a higher percentage of straws, barley and other garbage and relatively little grain. The operation of the pre-purge feeder pallet 16 in relation to this scar in the second half of the grid part 25 also includes such a calibration that an additional fraction of clean grain passes through the grain pan 28, but at the same time the mechanical and aerodynamic effect on the ball of material is reduced by blowing or stratifying, for which more severe,
to
20
25
fractions of the material, including the grain, are transferred to its lower layers. Therefore, the supply pallet 16 can accordingly be called a blowing sieve, although of course it also largely performs an important calibration and transport function. The purged lattice part 25 plays a proactive role in the normal operation of the partition wall of the partition, but it may differ from the regular sieve by some important aspects. In addition, it receives two different mixtures of material (respectively, from the threshing device and the straw walker) and is attached to it by a shaking screen similar to that produced by the sieve, i.e. sharper than conventional sieve. (If they are connected together, as described above, the feed pan 16 and the upper sieve 17 may be P1; in general, it will contain a stretched design with an offset and an air gap between the upstream and downstream sections). The finger guides 27 help to maintain the stratification process by producing a blown screen as material is transferred from the lattice part 25 over the rear edge 26 to the upper sieve 17.
The reciprocating action of the grain pan 28 moves the pure grain 35 separated back to unload along the rear edge 34 downwards: .when it is partially reflected by the front inclined element 33. The cleaner grain from the far section of the grid part 25 , partially thrown forward by the rear inclined element 35, is connected to the grain from pallet 28, and the combined flow is directed downwards into the primary air flow from the main duct 31 of the fan on the way to the auger 22 for clean grain. The air flow removes the remaining meat and other pieces from this first portion of grain 0. As seen in FIG. 2, this material flow enters the air flow approximately at the level of the lower sieve 19 and far enough ahead of the near edge to minimize the possibility of transferring part of this first batch of clean grain to the surface of the grid part 38. Such transfer at least an hour -
o
0
25
five
35 0 45 0
It also nullifies the benefits of the invention. When using the invention, it is preferable that the elements of the separating part have such a configuration that the portions of the first fraction of pure grain, passing w: down from the grid part 25 to the screw 22 for the clean grain, are not transferred unintentionally to the grid part 38 of the sieve 19.
The operation of the upper sieve 17 and the lattice part 38 under it is normal and leads to the supply of clean grain by means of a return pallet 21 to the screw 22 for clean grain, and residues and other material are fed along the long edge 18 of the upper sieve 17.
If we consider the device along the parts of the upper 17 and lower 19 sieves shown in FIG. 3, it can be seen that the device differs from the known one in that the rear or far along the edges 51 and 39, respectively, of the louvre portions of the upper sieve 17 and the lattice portion 38 are approximately vertical. The expanded portion 40 of the sieve 19 has, when it moves down and back into the lattice plane of that part 38, a transverse opening 42 installed in this position for residues. The finger guides 52 extend from the far along the edge 18 of the upper sieve 17. Any remnants (unbreaded heads, etc.) that have not passed down through the relatively large openings of the upper sieve 17 and therefore are fed to the discharge edge 18 of the upper The screen will be passed back and down onto the expanded portion 40 of the lower sieve and subjected to a curved treatment. Creating a hole 42 for residues between the lattice part 38 and the expanded part 40 of the lower sieve allows a substantially conventional operation or function of the lattice part 38 with respect to the residues passing along the edge 39 further along the auger 23 to follow. Adding fingers The directing of the elements 52 to the upper sieve 17 is optional depending on the grain or the condition of the grain.

权利要求:
Claims (3)
[1]
Claim 1. Investigation of the combine, containing located after the threshing device
7
BOM separating part, comprising a feed pan with a front impermeable for receiving the grain material after threshing and a rear lattice part, under which a grain pan is installed, located under the lower end of the feed pan with the formation of a slit for air passage, the upper sieve, a flat bottom sieve, a fan whose channel is associated with upper and lower sieves, and grain augers and for non-threshing spike mass for drainage, in order to increase the overall volumetric efficiency of cleaning the comb yna grain pan is provided separately on the feed tray, and under the rear end thereof is installed guide device comprising a conjugated channel fan front and rear inclined member sloped member for supplying mass to grain

15
auger
eight
and the fan is provided with an additional channel placed under the feed pan and connected to the front end of the grain pan to supply air between the latter,
[2]
2. Cleaning the harvester, in accordance with claim 1, that the top sieve is made flat and the bottom sieve is set at an angle to the top, converging in the rear part, and a hole is made at the rear end of the bottom sieve drainage of the undermilled spike mass, and the rear end of the upper sieve is located in front of it.
[3]
3. Cleaning the combine according to claim 1, characterized in that the rear lattice part of the upstream pallet and the rear part of the upper sieve are provided with finger-shaped guide elements.
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Editor A. Dolinich
Compiled by L. Manteifel
Tehred M. Hoda JK Correction. Shekmar
Order 7920/60 Circulation 630 Subscription
 VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Production and printing company, Uzhgorod, st. Project, 4
Fig.d

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同族专利:

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DE3463433D1|1987-06-11|

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EP0121094A1|1984-10-10|

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ZA841481B|1985-10-30|

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US4531528A|1985-07-30|

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US9462752B2|2011-08-22|2016-10-11|Cnh Industrial America Llc|Harvester with cleaning system having early clean grain evacuation|

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US10827683B2|2018-05-02|2020-11-10|Cnh Industrial America Llc|Sieve assembly for a crop processing system of an agricultural harvester|

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US11064656B1|2020-11-02|2021-07-20|Ronald J. Kile|Combine chaffer with chaffer dam|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

---

US06/472,506|US4531528A|1983-03-07|1983-03-07|Cleaning shoe for a combine|

---