CA1176534A - Self-propelling harvester-thresher - Google Patents
Self-propelling harvester-thresherInfo
- Publication number
- CA1176534A CA1176534A CA000406264A CA406264A CA1176534A CA 1176534 A CA1176534 A CA 1176534A CA 000406264 A CA000406264 A CA 000406264A CA 406264 A CA406264 A CA 406264A CA 1176534 A CA1176534 A CA 1176534A
- Authority
- CA
- Canada
- Prior art keywords
- thresher
- self
- conveyor
- harvester
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F7/00—Threshing apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/185—Mounting means
Abstract
ABSTRACT
A harvester-thresher operating on the axial-threshing principle has an axial thresher arranged in front of the drive-axle of the harvester-thresher, as seen in the direction of travel, and connected detachably to the sloping conveyor. This arrangement makes it possible to disregard the dimensional limits for road or rail transport with respect to the design of the cutting elements and the axial thresher, and instead to design the machine purely from the point of view of maximum possible throughput.
A harvester-thresher operating on the axial-threshing principle has an axial thresher arranged in front of the drive-axle of the harvester-thresher, as seen in the direction of travel, and connected detachably to the sloping conveyor. This arrangement makes it possible to disregard the dimensional limits for road or rail transport with respect to the design of the cutting elements and the axial thresher, and instead to design the machine purely from the point of view of maximum possible throughput.
Description
The invention relates to a self-propelled harvester-thresher operating on the axial-threshlng principle.
The external dimensions of harvester-threshers are strictly limited by the so-called road and rail-profile, whereas the farmer always seeks harvester-threshers with higher oUtpllts. ~or this reason the cutting mechanismsof harvester-threshers have been made wider than the road and rail-profile per-mits and were removed for road and rail-transportation and carried separately.
However, the cutting mechanisms can be widened only within certain limits, since, the material they cut must also be processed. In other words, in the final analysis it is the actual threshing elements which limit the throughput, becausethe dimensions thereof within the harvester-thresher are subject to the rail and road profile restrictions.
It is therefore the purpose of the present invention to design a harvester-thresher of the type mentioned at the beginning hereof in such a manner that road and rail transportation is possible without major problems - while, on the other hand, the size of the actual threshing elements, and there-fore that of the cutting-tool trough, can be freely determined to take into account, in a satisfactory manner the need for the greatest possible throughput.The invention provides a self-propelling harvester-thresher operat-ing on the axial-threshing principle and having a front drive-axle and a rear steering-axle, a front cutting tool trough, a sloping conveyor, and an air-; screening device, comprising an axial thresher and separator arranged as an independent unit in front of the drive-axle, between the sloping conveyor and the cutting-tool trough and connected detachably to the said sloping conveyor and cutting tool trough which are also designed as separate structural units.
This arrangement makes it possible to achieve a high throughput, slnce the construction of the axial thresher and separator unit is thus subject . 1 _ .
:
.,:
. .
~7ti 'i3~
to scarcely any restrictions to its external dimensions as would be the case were the unit permanently located either in front of the harvester-thresher or in the housing thereof.
Since in axial threshing machines all of the material harvested moves (as is known) along a helical path around the axis of the threshing drum, here again the throughput is also limited, since if it is too high it would be impossible to avoid blocking the whole machine. In order to overcome this disadvantage, the axial thresher and separator preferably consists of at least two threshing and separating drums each of which is charged separately through a corresponding opening in the back wall of the cutting-tool trough. In order to prevent material from backing up in front of these openings, the cutting-tool troughs comprise a central dividing finger, and the roller which feeds the trough comprises two augers delivering in opposite directions and two groups of controlled take-in fingers. In this connection, it is desirable for the openings to be arranged in the central area of the rear wall of the cutting-tool trough and at a distance from each other. The threshing and separating drums are also separated from each other, by way of a simple design, and rotate about a common horizontal axis running at right angles to the direction of travel.
The space between the two drums is bridged by a drive transmission. It is furthermore proposed, according to the invention, that the housing enclosing the threshing and separating drums should have an outlet in each of its ends. In order to ensure satisfactory transfer of material from the cutting-tool trough to the axial thresher and separator, it is desirable for the thresher and separator to comprise two charging drums, the arms and the conveyor slats thereof projecting at least partly through the openingsin the rear wall of the cutting-tool trough.
As the axial thresher and separator is substantially wider than the
The external dimensions of harvester-threshers are strictly limited by the so-called road and rail-profile, whereas the farmer always seeks harvester-threshers with higher oUtpllts. ~or this reason the cutting mechanismsof harvester-threshers have been made wider than the road and rail-profile per-mits and were removed for road and rail-transportation and carried separately.
However, the cutting mechanisms can be widened only within certain limits, since, the material they cut must also be processed. In other words, in the final analysis it is the actual threshing elements which limit the throughput, becausethe dimensions thereof within the harvester-thresher are subject to the rail and road profile restrictions.
It is therefore the purpose of the present invention to design a harvester-thresher of the type mentioned at the beginning hereof in such a manner that road and rail transportation is possible without major problems - while, on the other hand, the size of the actual threshing elements, and there-fore that of the cutting-tool trough, can be freely determined to take into account, in a satisfactory manner the need for the greatest possible throughput.The invention provides a self-propelling harvester-thresher operat-ing on the axial-threshing principle and having a front drive-axle and a rear steering-axle, a front cutting tool trough, a sloping conveyor, and an air-; screening device, comprising an axial thresher and separator arranged as an independent unit in front of the drive-axle, between the sloping conveyor and the cutting-tool trough and connected detachably to the said sloping conveyor and cutting tool trough which are also designed as separate structural units.
This arrangement makes it possible to achieve a high throughput, slnce the construction of the axial thresher and separator unit is thus subject . 1 _ .
:
.,:
. .
~7ti 'i3~
to scarcely any restrictions to its external dimensions as would be the case were the unit permanently located either in front of the harvester-thresher or in the housing thereof.
Since in axial threshing machines all of the material harvested moves (as is known) along a helical path around the axis of the threshing drum, here again the throughput is also limited, since if it is too high it would be impossible to avoid blocking the whole machine. In order to overcome this disadvantage, the axial thresher and separator preferably consists of at least two threshing and separating drums each of which is charged separately through a corresponding opening in the back wall of the cutting-tool trough. In order to prevent material from backing up in front of these openings, the cutting-tool troughs comprise a central dividing finger, and the roller which feeds the trough comprises two augers delivering in opposite directions and two groups of controlled take-in fingers. In this connection, it is desirable for the openings to be arranged in the central area of the rear wall of the cutting-tool trough and at a distance from each other. The threshing and separating drums are also separated from each other, by way of a simple design, and rotate about a common horizontal axis running at right angles to the direction of travel.
The space between the two drums is bridged by a drive transmission. It is furthermore proposed, according to the invention, that the housing enclosing the threshing and separating drums should have an outlet in each of its ends. In order to ensure satisfactory transfer of material from the cutting-tool trough to the axial thresher and separator, it is desirable for the thresher and separator to comprise two charging drums, the arms and the conveyor slats thereof projecting at least partly through the openingsin the rear wall of the cutting-tool trough.
As the axial thresher and separator is substantially wider than the
- 2 -sloping conveyor, the threshed-out mixture of grain and chaff must first of all be brought in front of the inlet opening to the sloping conveyor and then withinrange of the scraper-chain. To this end, a continuous shaft, mounted in the end-walls of the housing runs below the threshing and separating drums. This shaft is designed, in accordance with the width of the sloping conveyor, in the ` intake area thereof, as a discharge conveyor, and the two parts of the shaft running outwardly from the discharge conveyor are equipped with helical sheet-metal augers acting towards the discharge conveyor. To further facilitate transfer of material to the scraper-chain, an intermediate conveyor is arranged after the discharge conveyor, as seen in the direction of conveying, the width of the intermediate conveyor corresponding to that of the scraper-chain in the sloping conveyor. In order to be able to convert a harvester-thresher accord-ing to the invention as quickly as possible from the road-transport configuration to field use, the axial thresher and separator is preferably connected by quick-release couplings to the sloping conveyor, to the cutting-tool trough or, if necessary, to a special reaping device.
i The invention is explained hereinafter, by way of example only, in conjunction with the embodiment illustrated in greater detail in the drawings attached hereto, wherein, Figure 1 is a side elevation of a self-propelling harvester-thresher;
Figure 2 is a part plan view of the harvester-thresher shown in j Figure l;
Figure 3 is a plan view, as in Figure 2, showing, more particularly, the common drive $or the threshing and separating drums and the path followed by the threshed material through the unit;
Fi-gure 4 shows, to an enlarged scale and along the line IV - I~
in Figure 2, the front part of the harvester-thresher.
. .
r`? ;~
In the drawings, 1 is the front drive-axle and 2 the rear steering axle of a self-propelling harvester-thresher, the axles carrying the body 3 thereof. Accommodated in the body, in known fashion, are the grain tank, the drive-motor and the whole air-screening device with the necessary worm-eleva~ors.
The rear end, as seen in the direction of conveying, of a sloping conveyor 5 is mounted pivotably on the body 3 below a drive cabin 4. The front end of the conveyor is supported by a hydraulic piston-cylinder unit 6, one end of which isattached to body 3.
Incorporated into sloping conveyor 5 is a scraper-chain 7 which feeds the material to be cleaned to the screening device. An axial thresher 8, known per se, is secured to the sloping conveyor channel 5 by quick-release couplings 10, 9 known per se. The axial thresher in turn carries cutting-tool trough 11 which is also attached by quick-release couplings 12, 13. Thus for road-transportation, both the cutting tool trough and the axial thresher may easily be dismantled, and the design thereof is not subject to any restrictions.They may therefore be designed entirely from the point of view of high through-put. To this end, the cutting-tool trough comprises a central dividing finger 14 which divides the cut crop rows into two partial flows, each of which is fed ; to one of two openings 15, 16 provided in the rear wall of the cutting-tool trough. In order to achieve this, a feed roller 17 ls equipped with two groups of controlled take-in fingers 19, 18, arranged in the vicinity of openings 15, 16, to which the material to be threshed is fed by two sheet metal augers 20, 21, on the feed roller 17, which convey the material in opposite directions. In order to prevent the two flows of material from coming together in the middle ofroller 17 and thus backing up, two single-start sheet-metal auger strips 22, 23,conveying in opposite directions, are located on shaft 17 in the area between the take in fingers 18, 19. As may be gathered from Figures 2 and 4 in particular -- 4 _ .
charging drums 25, 24, with arms 27 e~uipped with resilient conveyor-slats 26, project through the openings 15, 16 and feed the material to be threshed in axial thresher 8. The latter comprises two threshing and separating drums 29, 30 spaced from each other, arranged in a housing and feeding in opposite direc-tions. These drums e~ect the threshed straw or the like, through an opening 31 at each end of housing 28, onto the field in two rows. The threshing and separating drums are driven by gearing 37 bridging the space between them. A
continuous shaft 32, mounted in the lateral walls of housing 28, runs below threshing and separating drums 29, 30. The central area of this shaft is design-ed as a discharge conveyor 33 corresponding to the width of scraper-chain 7 in ` sloping conveyor 5. Conveyor 33 is designed to feed the grain separated by drums 29, 30, by means of an intermediate conveyor 34, corresponding to the width , of conveyor 33, to the scaper chain 7 arranged in the sloping conveyor duct 5.
: To this end, however, shaft 32 is provided with helical sheet metal augers 36, 35 between the discharge conveyor 33 and the mountings in the lateral walls of housing 28. These augers feed in opposite directions, i.e. they bring the -i material to the conveyor 33 in the middle of the machine. The grain is fed by the sloping conveyor 5 to the air-screening device in the housing of the harvester-thresher, is cleaned, and then passes in known fashion to the grain tank.
.:
i The invention is explained hereinafter, by way of example only, in conjunction with the embodiment illustrated in greater detail in the drawings attached hereto, wherein, Figure 1 is a side elevation of a self-propelling harvester-thresher;
Figure 2 is a part plan view of the harvester-thresher shown in j Figure l;
Figure 3 is a plan view, as in Figure 2, showing, more particularly, the common drive $or the threshing and separating drums and the path followed by the threshed material through the unit;
Fi-gure 4 shows, to an enlarged scale and along the line IV - I~
in Figure 2, the front part of the harvester-thresher.
. .
r`? ;~
In the drawings, 1 is the front drive-axle and 2 the rear steering axle of a self-propelling harvester-thresher, the axles carrying the body 3 thereof. Accommodated in the body, in known fashion, are the grain tank, the drive-motor and the whole air-screening device with the necessary worm-eleva~ors.
The rear end, as seen in the direction of conveying, of a sloping conveyor 5 is mounted pivotably on the body 3 below a drive cabin 4. The front end of the conveyor is supported by a hydraulic piston-cylinder unit 6, one end of which isattached to body 3.
Incorporated into sloping conveyor 5 is a scraper-chain 7 which feeds the material to be cleaned to the screening device. An axial thresher 8, known per se, is secured to the sloping conveyor channel 5 by quick-release couplings 10, 9 known per se. The axial thresher in turn carries cutting-tool trough 11 which is also attached by quick-release couplings 12, 13. Thus for road-transportation, both the cutting tool trough and the axial thresher may easily be dismantled, and the design thereof is not subject to any restrictions.They may therefore be designed entirely from the point of view of high through-put. To this end, the cutting-tool trough comprises a central dividing finger 14 which divides the cut crop rows into two partial flows, each of which is fed ; to one of two openings 15, 16 provided in the rear wall of the cutting-tool trough. In order to achieve this, a feed roller 17 ls equipped with two groups of controlled take-in fingers 19, 18, arranged in the vicinity of openings 15, 16, to which the material to be threshed is fed by two sheet metal augers 20, 21, on the feed roller 17, which convey the material in opposite directions. In order to prevent the two flows of material from coming together in the middle ofroller 17 and thus backing up, two single-start sheet-metal auger strips 22, 23,conveying in opposite directions, are located on shaft 17 in the area between the take in fingers 18, 19. As may be gathered from Figures 2 and 4 in particular -- 4 _ .
charging drums 25, 24, with arms 27 e~uipped with resilient conveyor-slats 26, project through the openings 15, 16 and feed the material to be threshed in axial thresher 8. The latter comprises two threshing and separating drums 29, 30 spaced from each other, arranged in a housing and feeding in opposite direc-tions. These drums e~ect the threshed straw or the like, through an opening 31 at each end of housing 28, onto the field in two rows. The threshing and separating drums are driven by gearing 37 bridging the space between them. A
continuous shaft 32, mounted in the lateral walls of housing 28, runs below threshing and separating drums 29, 30. The central area of this shaft is design-ed as a discharge conveyor 33 corresponding to the width of scraper-chain 7 in ` sloping conveyor 5. Conveyor 33 is designed to feed the grain separated by drums 29, 30, by means of an intermediate conveyor 34, corresponding to the width , of conveyor 33, to the scaper chain 7 arranged in the sloping conveyor duct 5.
: To this end, however, shaft 32 is provided with helical sheet metal augers 36, 35 between the discharge conveyor 33 and the mountings in the lateral walls of housing 28. These augers feed in opposite directions, i.e. they bring the -i material to the conveyor 33 in the middle of the machine. The grain is fed by the sloping conveyor 5 to the air-screening device in the housing of the harvester-thresher, is cleaned, and then passes in known fashion to the grain tank.
.:
Claims (11)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A self-propelling harvester-thresher operating on the axial-threshing principle and having a front drive-axle and a rear steering-axle, a front cutting-tool trough, a sloping conveyor, and an air-screening device, comprising an axial thresher and separator arranged as an independent unit in front of the drive-axle, between the sloping conveyor and the cutting-tool trough and con-nected detachably to the said sloping conveyor and cutting-tool trough which are also designed as separate structural units.
2. A self-propelling harvester-thresher according to claim 1, wherein the axial thresher and separator comprises at least two threshing and separating drums which are charged separately with material, each through an associated opening in a rear wall of the cutting-tool trough.
3. A self-propelled harvester-thresher according to claim 1 or 2, where-in the cutting-tool trough comprises a central dividing finger, a feed-roller comprising two sheet-metal augers conveying in opposite directions, and two groups of controlled take-in fingers.
4. A self-propelling harvester-thresher according to claim 2, wherein the openings are arranged in the central area of the rear wall of the cutting-tool trough in spaced relationship to each other.
5. A self-propelling harvester-thresher according to claim 2 wherein the threshing and separating drums are separated from each other and rotate about a common horizontal axis running at right angles to the direction of travel.
6. A self-propelling harvester-thresher according to claim 5 wherein the distance between the two threshing and separating drums is bridged by a transmission which drives them both.
7. A self-propelling harvester-thresher according to claim 1, wherein the threshing and separating drums are enclosed in a housing having an outlet aperture at each end.
8. A self-propelling harvester-thresher according to claim 2, wherein the axial thresher and separator comprises two charging drums having arms con-and conveyor-slats that project at least partly through the openings.
9. A self-propelling harvester-thresher according to claim 1 wherein a continuous shaft, mounted in the lateral walls of the housing, runs below the threshing and separating drums, said shaft being designed, in accordance with the width of the sloping conveyor, in the intake-area thereof, as a discharge con-veyor, two parts of said shaft running outwardly from said discharge conveyor being equipped with helical sheet-metal augers acting in the direction of said discharge conveyor.
10. A self-propelling harvester-thresher according to claim 9, wherein arranged behind said discharge conveyor, as seen in the direction of conveying, is an intermediate conveyor, the width of which corresponds to the width of a scraper-chain in the sloping conveyor.
11. A self-propelling harvester-thresher according to claim 1 or 2, wherein the axial thresher and separator is connected by quick-release couplingsboth to the sloping conveyor and to the cutting-tool trough.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3125659.7 | 1981-06-30 | ||
| DE19813125659 DE3125659A1 (en) | 1981-06-30 | 1981-06-30 | Self-propelling combine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1176534A true CA1176534A (en) | 1984-10-23 |
Family
ID=6135712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000406264A Expired CA1176534A (en) | 1981-06-30 | 1982-06-29 | Self-propelling harvester-thresher |
Country Status (12)
| Country | Link |
|---|---|
| AR (1) | AR229698A1 (en) |
| BE (1) | BE893340A (en) |
| BR (1) | BR8203806A (en) |
| CA (1) | CA1176534A (en) |
| DD (1) | DD202487A5 (en) |
| FI (1) | FI822242L (en) |
| FR (1) | FR2512630B1 (en) |
| HU (1) | HU186945B (en) |
| IT (1) | IT1151166B (en) |
| SE (1) | SE8204026L (en) |
| SU (1) | SU1582970A3 (en) |
| ZA (1) | ZA824213B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2351219A (en) * | 1999-06-30 | 2000-12-27 | Robert John Eyre | Harvesting machine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534773B2 (en) * | 1981-06-30 | 1991-10-11 | Claas Ohg | SELF-PROPELLED COMBINE HARVESTER WITH AXIAL THRESHING MECHANISM |
| DE3511913C2 (en) * | 1985-04-01 | 1994-02-03 | Claas Ohg | Self-propelled combine |
| US20130291510A1 (en) * | 2012-05-04 | 2013-11-07 | Deere & Company | Feed drum with axially translating fingers |
| RU2677320C1 (en) * | 2018-02-15 | 2019-01-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский государственный аграрный университет - МСХА имени К.А. Тимирязева" (ФГБОУ ВО РГАУ - МСХА имени К.А. Тимирязева) | Combine harvester |
| RU2745927C1 (en) * | 2020-10-07 | 2021-04-05 | Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) | Selection combine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2160039C2 (en) * | 1971-12-03 | 1973-10-25 | Deere & Co., Moline, Ill. (V.St.A.) | Detachable connection of the delivery opening of a mowing assembly with the feed opening of the vertically pivotable feed channel of a harvesting machine |
| DE2317048A1 (en) * | 1973-04-05 | 1974-10-17 | Helwig Schmitt | HARVESTER |
| GB1479269A (en) * | 1973-07-25 | 1977-07-13 | Massey Ferguson Sa | Crop harvesting and threshing machines |
| DE2533757C2 (en) * | 1975-07-29 | 1982-04-08 | Deere & Co., Moline, Ill., US, Niederlassung Deere & Co. European Office, 6800 Mannheim | Harvester |
| IT8053321V0 (en) * | 1980-06-19 | 1980-06-19 | Laverda Spa Pietro | COMBINE HARVESTER MACHINE WITH AXIAL FLOW SEPARATOR |
-
1982
- 1982-05-19 IT IT21351/82A patent/IT1151166B/en active
- 1982-05-28 BE BE0/208207A patent/BE893340A/en not_active IP Right Cessation
- 1982-06-09 SU SU823449161A patent/SU1582970A3/en active
- 1982-06-09 AR AR289647A patent/AR229698A1/en active
- 1982-06-15 ZA ZA824213A patent/ZA824213B/en unknown
- 1982-06-22 FI FI822242A patent/FI822242L/en not_active Application Discontinuation
- 1982-06-24 DD DD82241054A patent/DD202487A5/en not_active IP Right Cessation
- 1982-06-29 BR BR8203806A patent/BR8203806A/en unknown
- 1982-06-29 SE SE8204026A patent/SE8204026L/en unknown
- 1982-06-29 CA CA000406264A patent/CA1176534A/en not_active Expired
- 1982-06-29 HU HU822115A patent/HU186945B/en not_active IP Right Cessation
- 1982-06-30 FR FR8211509A patent/FR2512630B1/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2351219A (en) * | 1999-06-30 | 2000-12-27 | Robert John Eyre | Harvesting machine |
| GB2351219B (en) * | 1999-06-30 | 2004-01-14 | Robert John Eyre | Harvesting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2512630A1 (en) | 1983-03-18 |
| SE8204026D0 (en) | 1982-06-29 |
| SE8204026L (en) | 1982-12-31 |
| FI822242L (en) | 1982-12-31 |
| HU186945B (en) | 1985-10-28 |
| IT8221351A0 (en) | 1982-05-19 |
| BE893340A (en) | 1982-09-16 |
| AR229698A1 (en) | 1983-10-31 |
| DD202487A5 (en) | 1983-09-21 |
| ZA824213B (en) | 1983-04-27 |
| FR2512630B1 (en) | 1986-06-13 |
| IT1151166B (en) | 1986-12-17 |
| FI822242A0 (en) | 1982-06-22 |
| BR8203806A (en) | 1983-06-28 |
| SU1582970A3 (en) | 1990-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |