CN109964621B - High-speed corn combine harvester without large feeding quantity - Google Patents
High-speed corn combine harvester without large feeding quantity Download PDFInfo
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- CN109964621B CN109964621B CN201910260076.0A CN201910260076A CN109964621B CN 109964621 B CN109964621 B CN 109964621B CN 201910260076 A CN201910260076 A CN 201910260076A CN 109964621 B CN109964621 B CN 109964621B
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- 240000008042 Zea mays Species 0.000 title claims abstract description 60
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 60
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 59
- 235000005822 corn Nutrition 0.000 title claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 20
- 238000009333 weeding Methods 0.000 claims description 13
- 238000009827 uniform distribution Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims 1
- 235000009973 maize Nutrition 0.000 claims 1
- 210000003813 thumb Anatomy 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 13
- 239000010902 straw Substances 0.000 description 12
- 210000005069 ears Anatomy 0.000 description 5
- 210000000959 ear middle Anatomy 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/02—Self-propelled combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/06—Combines with headers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/1252—Anti-dust devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/14—Mowing tables
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/14—Mowing tables
- A01D41/16—Devices for coupling mowing tables to conveyors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/08—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/02—Harvesting of standing crops of maize, i.e. kernel harvesting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D82/00—Crop conditioners, i.e. machines for crushing or bruising stalks
Abstract
The utility model provides a do not to high-speed corn combine harvester of big feeding quantity of going, including the harvesting part, the delivery part, the edulcoration part of skinning, the driver's cabin, granary and chassis walking part, the transmission mode of harvesting part adopts middle transmission structure, install the quick cut-off feeding mechanism in the front end of stem roller, the ear picking board of plucking ear mechanism adopts floating mechanism with stem roller, the delivery part includes preceding stage lift conveyer and rear stage lift conveyer, preceding stage lift conveyer installs in the place ahead of skinning mechanism, the rear stage lift conveyer is installed between granary and skinning mechanism, the top of preceding stage lift conveyer is equipped with kuppe and edulcoration roller, the edulcoration fan is installed on the upper portion of kuppe, be equipped with fruit ear equipartition screw feeder and fruit ear guide slot between skinning mechanism and kuppe.
Description
Technical Field
The invention relates to a corn harvester, in particular to a high-speed corn combine harvester without large feeding quantity to rows.
Background
At present, the adaptability (especially the header of a multi-row corn harvester), the feeding quantity and the harvesting speed of different corn row spacing are poor when the corn harvesting combine harvester in society is used for harvesting, and the operation efficiency is low; the straw returning machine has high power consumption, high dust emission of crushed materials and serious environmental pollution.
Disclosure of Invention
1. The invention aims to overcome the defects and provide a high-speed corn combine harvester without large feeding quantity, which comprises a header part (01), a conveying part (02), a peeling and impurity removing part (03), a cab (04), a granary (05) and a chassis walking part (06), and is characterized in that:
(1) the cutting table part (01) is provided with a rapid cutting-off feeding poking wheel system at the front end of the stalk pulling roller (13), a cutting-off fixed knife (114) is positioned above a cutting-off movable knife (113) in the system, and the cutting-off movable knife (113), an upper reel (115) and a lower reel (3) share the same transmission system with a reel chain (3): the cutting knife holder is arranged at the front lower end of the snapping roll bracket (11), the cutting knife holder (111) can be adjusted front and back on the snapping roll bracket (11), the cutting knife shaft (112) is arranged in the cutting knife holder (111) through a bearing support, the cutting fixed knife (114) is fixed at the lower end of the cutting knife holder (111), the cutting fixed knife is positioned above the cutting movable knife (113) and is matched with the cutting movable knife (113), the cutting movable knife (113) is arranged at the lower end of the cutting knife shaft (112), the reel pulling chain wheel (119) is arranged at the upper end of the cutting knife shaft (112), the reel pulling chain wheel (119) serves as an expanding chain wheel of a reel chain (3) and also serves as an input chain wheel for cutting the power of the cutter shaft (112), the lower end of the reel shaft (116) is in transmission connection with the upper end of the reel shaft (112), the upper part of the reel shaft (116) is arranged in the reel shaft (117) through a bearing support, the lower end of the reel shaft (117) is hinged with the front end of the front bracket of the reel pulling roll cover, the upper end of the reel shaft (117) is connected with the reel shaft (118) through the front end of the lower end adjusting rod (118) of the front end of the reel cover, and the reel shaft (118) can be adjusted through the front end of the front end adjusting shaft (118) of the reel cover;
(2) the ear picking plate of the ear picking mechanism of the header part (01) adopts a self-adaptive adjustment ear picking plate mechanism: the harvester comprises a rotating shaft support (1), a floating rotating arm (2), a connecting rotating pin (4), a floating ear picking plate (5), an adjusting screw rod (9), a pre-tightening spring (10), limit screws (12) and a stem pulling roller (13), wherein the floating ear picking plate (5) is arranged above the stem pulling roller (13), the harvester is arranged between a picking roller support (11) and a reel chain (3) and a reel chain guide plate (6), a buffer spring (7) and a buffer head (8) are arranged below the floating ear picking plate (5), the floating rotating arm (2) is arranged on the picking roller support (11) through the rotating shaft support (1), the harvester mainly comprises a floating rotating shaft (22), an upper floating arm (21) and a lower floating arm (23), the upper floating arm (21) is fixed at two ends of the floating rotating shaft (22), the connecting rotating pin (4) is arranged at the upper end of the upper floating arm (21), the connecting rotating pin (4) is hinged with the upper floating arm (21), the connecting rotating pin (4) is connected with a connecting seat (51) on the floating ear picking plate (5) through a connecting fastener, the lower floating arm (23) is connected with the floating arm (23) through the floating rotating shaft support (23) and the pre-tightening spring (10), the snapping roll bracket (11) is provided with limit screws (12) at the positions corresponding to the upper floating arm (21) and the lower floating arm (23);
(3) the stalk pulling roller (13) of the header part (01) ear picking mechanism adopts a self-adaptive stalk pulling roller adjusting mechanism: the weeding device comprises a weeding knife (131), a stem pulling roller support (132), a connecting fork (134), a guide rod (136), a guide spring (137) and a guide rod seat (138), wherein the guide rod seat (138) is additionally arranged on a stem pulling roller support (11), the guide rod (136) and the guide spring (137) are arranged in the guide rod seat (138), the outer circle of the guide rod (136) is matched with the inner hole of the guide rod seat (138), an adjusting nut (139) is arranged at the outer end of the guide rod (136) for adjusting the pretightening force of the guide spring (137), a positioning step is arranged in the middle of the guide rod (136) for limiting the telescopic range of the guide rod seat (138), the connecting fork (134) and the locking nut (135) are arranged at the inner end of the guide rod (136), the stem pulling roller support (132) is arranged in the connecting fork (134) through a connecting pin (133), and is also arranged at the front end of a pull roller (13) through a bearing, a weeding knife (131) is arranged below the stem pulling roller support (132), and the weeding knife (131) corresponds to the rotary contour of the pull roller (13);
(4) a vertically-arranged roller cutter cutting device is arranged below the snapping roll of the header part (01), a cutting transmission box (121) and the snapping transmission box (120) are arranged in an upper layer transmission way and a lower layer transmission way, the cutting transmission box (121) is arranged below the snapping transmission box (120), an input shaft gear of the cutting transmission box (121) is meshed with a gear in the snapping transmission box (120), power is taken out from the snapping box and is transferred to a cutting knife roller (122) after being reversed by a bevel gear, the cutting knife roller (122) is arranged below a stalk pulling roller (13), a spiral guide cone (124) is arranged at the front end of the cutting knife roller (122), cutting movable knives (123) are uniformly arranged on the circumference of the cutting knife roller (122), cutting fixed knives (125) are arranged on fixed knife supports (126) on the snapping roll supports (11), and gaps between the cutting fixed knives (125) and the cutting movable knives (123) are adjustable;
(5) the conveying part (02) comprises a front-stage lift conveyer (021) and a rear-stage lift conveyer (022), the front-stage lift conveyer (021) is arranged in front of the peeling mechanism (031), and the rear-stage lift conveyer (021) is arranged behind the peeling mechanism (031) and is positioned between the granary (05) and the peeling mechanism (031);
(6) the peeling part (03) comprises a peeling mechanism (031), a impurity removing fan (032) and a bract smashing device (033), the bract smashing device (033) is arranged at the outlet of a Fang Baoshe auger under the peeling mechanism (031), a guide cover (211) and an impurity removing roller (212) are arranged at the top end of a front-stage elevator (021), the impurity removing fan (032) is arranged on the upper portion of the guide cover (211), a positive and negative uniform distribution auger (311) and a fruit cluster uniform distribution guide groove (312) are arranged between the peeling mechanism (031) and the guide cover (211), reverse spirals opposite to the middle uniform distribution spiral are arranged at two ends of the positive and negative uniform distribution auger (311), a forced feeding wheel (314) is arranged above the front end of the peeling roller (313) before the front end of the front guide plate (315), and a plurality of groups of pinch rollers (316) are arranged behind the forced feeding wheel (314).
The invention has the positive effects that: through the mechanism, the high-speed harvesting of corns is not realized, a straw returning machine with high power consumption of an original corn harvester is omitted, a straw rolling cutting crushing returning structure with very low power consumption is used, dust pollution of crushed materials is reduced, and the requirements of high-speed harvesting and environmental protection are met.
Drawings
The invention will be further described with reference to examples of embodiments in the accompanying drawings:
FIG. 1 is a schematic diagram of the overall structure of a high-speed corn combine without large feeding to the rows of the present invention.
FIG. 2 is a schematic cross-sectional view of a floating stripper plate of the present invention.
Fig. 3 is a schematic view of the structure of the floating boom of the present invention.
FIG. 4 is a schematic perspective view of a floating stripper plate according to the present invention.
FIG. 5 is a schematic view of a floating stripper plate according to the present invention.
Fig. 6 is a transverse cross-sectional view of a portion of a floating stalk roll according to the present invention.
Fig. 7 is a longitudinal cross-sectional view of a portion of a floating stalk roll according to the present invention.
FIG. 8 is a schematic view of a quick-disconnect feeding mechanism according to the present invention.
Fig. 9 is a longitudinal sectional view of the straw chopper of the present invention.
Fig. 10 is a transverse cross-sectional view of the straw chopper assembly of the present invention.
Fig. 11 is a schematic perspective view of the conveying and peeling section of the present invention.
Fig. 12 is a schematic view in partial cross-section of the conveying and debarking section of the present invention.
FIG. 13 is a schematic view of the structure of the arc-shaped chopping stationary knife in the invention.
Fig. 14 is a schematic view of the structure of the stalk roll stand of the present invention with the mounting positions thereof staggered back and forth.
Detailed Description
The utility model provides a high-speed corn combine harvester of big intake is not to line, includes header part (01), conveying part (02), skinning edulcoration part (03), driver's cabin (04), granary (05) and chassis walking part (06), and concrete implementation is as follows:
1. the cutting table part (01) is provided with a rapid cutting-off feeding poking wheel system at the front end of the stalk pulling roller (13), a cutting-off fixed knife (114) is positioned above a cutting-off movable knife (113) in the system, and the cutting-off movable knife (113), an upper reel (115) and a lower reel (3) share the same transmission system with a reel chain (3): the straw cutting device comprises a cutting knife rest (111), a cutting knife shaft (112), a cutting movable knife (113), a cutting fixed knife (114), a reel (115), a reel shaft (116), a reel branch pipe (117) and a branch pipe adjusting rod (118), wherein the cutting knife rest is arranged at the front lower end of a snapping roll bracket (11), the cutting knife rest (111) can be adjusted front and back on the snapping roll bracket (11), the cutting knife shaft (112) is arranged in the cutting knife rest (111) through a bearing support, the cutting movable knife (113) is arranged at the lower end of the cutting knife shaft (112), the cutting fixed knife (114) is fixed at the lower end of the cutting knife rest (111), and is matched with the cutting movable knife (113) at the same time above the cutting movable knife (113), so that the structure is simplified, straw can smoothly pass through and blockage of the straw is prevented; the reel sprocket (119) is arranged at the upper end of the cutter shaft (112), the reel sprocket (119) is used as a tension sprocket of the reel chain (3) and is also used as an input sprocket for cutting the power of the cutter shaft (112), the lower end of the reel shaft (116) is in transmission connection with the upper end of the cutter shaft (112), the connection modes of the reel shaft (116) and the cutter shaft (112) can be ball pin connection, spline connection and universal joint connection, so that the angle of the reel shaft (116) can be conveniently adjusted, the upper part of the reel shaft (116) is arranged in the reel branch pipe (117) through a bearing support, the lower end of the reel branch pipe (117) is hinged with the front end of a front support of the stalk pulling roller cover, the upper part of the reel shaft is connected with the rear end of the front support of the stalk pulling roller cover through a branch pipe adjusting rod (118), and the front tilting angle of the reel branch pipe (117) and the reel shaft (116) can be adjusted through adjusting the length of the branch pipe adjusting rod (118), and one reel (115) is arranged at the upper end and the lower end of the reel shaft (116) (see figure 8). During harvesting operation, the reel chain (3) drives the cutting knife shaft (112) to rotate through the reel chain wheel (119), the cutting knife shaft (112) drives the cutting movable knife (113) to work and simultaneously drives the reel wheel (115) to rotate through the reel shaft (116), the reel wheel (115) holds the upper half part of the corn stalk first, the corn stalk is cut off from the lower end under the combined action of the cutting fixed knife (114) and the cutting movable knife (113), and then the corn stalk is fed into the working channel of the stalk pulling roller (13) through the reel chain (3) and the reel wheel (115) together, so that the corn stalk is cut off and fed rapidly.
2. The ear picking plate of the ear picking mechanism of the header part (01) adopts a self-adaptive adjustment ear picking plate mechanism, namely a floating ear picking plate mechanism, so that the falling of grains and ears are prevented from jumping out of the header due to the impact of the ear picking plate, and the loss rate of the header is reduced: the corn harvester comprises a rotating shaft support (1), a floating rotating arm (2), a connecting rotating pin (4), a floating corn picking plate (5), an adjusting screw rod (9), a pre-tightening spring (10), a limiting screw (12) and a stalk pulling roller (13), wherein the floating corn picking plate (5) is arranged above the stalk pulling roller (13), the corn harvester is arranged between a corn picking roller bracket (11) and a stalk pulling chain (3) and a stalk pulling chain guide plate (6), a buffer spring (7) and a buffer head (8) are arranged below the floating corn picking plate (5), before the corn is not reached to the floating corn picking plate (5), the buffer spring (7) and the buffer head (8) enable the floating corn picking plate (5) to be always lifted to be contacted with the lower surface of the stalk pulling chain guide plate (6) in an initial state, and when the corn is reached to the corn picking plate (5), the corn is driven to move downwards, the buffer spring (7) is compressed, and impact force between the corn picking plate and the corn picking plate is buffered, so that the problem of excessive damage of the root of the corn is relieved; the floating rotating arm (2) is arranged on the snapping roll bracket (11) through a rotating shaft support (1), and mainly comprises a floating rotating shaft (22), an upper floating arm (21) and a lower floating arm (23), wherein the upper floating arm (21) is fixed at two ends of the floating rotating shaft (22), a connecting rotating pin (4) is arranged at the upper end of the upper floating arm (21), the connecting rotating pin (4) is hinged with the upper floating arm (21), the connecting rotating pin (4) is connected with a connecting seat (51) on the floating snapping plate (5) through a fastener, the lower floating arm (23) is fixed on the floating rotating shaft (22), the position of the lower floating arm (23) can be in the middle part of the floating rotating shaft (22) or in the front part or the rear part of the floating rotating shaft (22), the lower end of the lower floating arm (23) is connected with a cross beam between the snapping roll bracket (11) through an adjusting screw rod (9) and a pre-tightening spring (10), and the pre-tightening spring (10) enables the floating snapping plate (5) to be always in a minimum gap state in an initial state; the snapping roll bracket (11) is provided with limit screws (12) at the positions corresponding to the upper floating arm (21) and the lower floating arm (23), wherein the limit screws at the upper part are used for setting the minimum clearance of the floating snapping plates, and the limit screws at the lower part are used for setting the maximum clearance of the floating snapping plates (see figures 2, 3 and 4). During operation, the corn stalks are guided into a channel formed by the floating ear picking plates (5) by the reel chains (3), the corn stalks are pulled downwards by the stalk pulling rollers (13), and when the corn ears reach the ear picking plates, the corn stalks are blocked by the floating ear picking plates (5), and then the corn stalks are pulled downwards continuously, so that the corn ears are picked off; if coarse cornstalks enter the channel, the cornstalks carry the floating ear picking plates (5) to separate towards two sides, so that the coarse cornstalks can be ensured to smoothly enter and pass through the channel, the problem of broken cornstalks caused by improper ear picking plate gaps in the ear picking process is solved, and after the coarse cornstalks pass through the channel, the floating ear picking plates (5) automatically return to the minimum gap position under the action of the pre-tightening springs (10).
3. The stalk pulling roller (13) of the header part (01) ear picking mechanism adopts a self-adaptive adjustment stalk pulling roller mechanism, namely a floating stalk pulling roller mechanism, so that the breaking and blockage of the stalk are prevented, and the impurity content is reduced: the weeding device comprises a weeding knife (131), a stem pulling roller support (132), a connecting fork (134), a guide rod (136), a guide spring (137) and a guide rod seat (138), wherein the guide rod seat (138) is additionally arranged on a stem pulling roller support (11), the guide rod (136) and the guide spring (137) are arranged in the guide rod seat (138), the outer circle of the guide rod (136) is matched with the inner hole of the guide rod seat (138), an adjusting nut (139) is arranged at the outer end of the guide rod (136) to adjust the pretightening force of the guide spring (137), a positioning step is arranged in the middle of the guide rod (136) to limit the telescopic range of the guide rod (136), the connecting fork (134) and the locking nut (135) are arranged at the inner end of the guide rod (136), the stem pulling roller support (132) is arranged in the connecting fork (134) through a connecting pin (133), and meanwhile is arranged at the front end of a stem pulling roller (13) through a bearing, a weeding knife (131) is arranged below the stem pulling roller support (132), and the weeding knife (131) corresponds to the profile of the pulling roller (13) in a figure 7, and the figure (7) is shown. When the device is used, the pretightening force of the guide spring (137) is adjusted through the adjusting nut (139) and is locked by the double-union nut or the cotter pin, and then the initial gap of the stem pulling roller (13) is adjusted through the connecting fork (134) and is locked by the locking nut (135); when harvesting thicker corn stalks and entering a corn picking channel between two stalk pulling rollers, the guide springs (137) are compressed, the stalk pulling rollers (13) move outwards, the gap of the corn picking channel is enlarged, when the thicker corn stalks pass through, the stalk pulling rollers (13) automatically return to a set initial position under the action of the guide springs (137), and the weeding cutters (131) timely cut off weeds wound on the stalk pulling rollers (13), so that the problem that the weeds are wound on the stalk pulling rollers (13) is solved.
4. The vertical roller cutter cutting device is arranged below the stalk pulling roller (13) of the header part (01), the stalk pulling roller plays a role in clamping stalks and uniformly conveying the stalks downwards when pulling the stalks, so that the cutting roller cutters at the lower part can uniformly roll and cut the stalks to ensure that the stalks can be uniformly cut, and meanwhile, the cutting transmission case and the ear picking transmission case are arranged in an upper-lower two-layer transmission manner, so that the stalk cutting device is compact and efficient: the automatic cutting machine comprises a cutting transmission box (121), a cutting knife roller (122), cutting movable knives (123) and cutting fixed knives (125), wherein the cutting transmission box (121) is arranged below a snapping transmission box (120), an input shaft gear of the cutting transmission box (121) is meshed with a gear in the snapping transmission box (120), power is taken out of the snapping transmission box and transferred to the cutting knife roller (122) after being reversed by a bevel gear, the cutting knife roller (122) is arranged below a stem pulling roller (13), spiral guide cones (124) are arranged at the front ends of the cutting knife roller (122), the cutting movable knives (123) are uniformly distributed on the circumference of the cutting knife roller (122), the cutting fixed knives (125) are arranged on fixed knife supports (126) on snapping roller supports (11), and gaps between the cutting fixed knives (125) and the cutting movable knives (123) are adjustable (see fig. 9 and 10). During operation, corn stalks are directly cut by the cutting movable knife (123) and the cutting fixed knife (125) after being pulled down by the stalk pulling roller (13), so that dust pollution caused by stalk crushing of the stalk returning machine is reduced, power consumption of a harvester is greatly reduced, and the requirement of high-speed harvesting is further met.
5. An arc-shaped cutting fixed knife (127) is arranged at a corresponding position of a spiral guide cone (124) at the front end of the cutting knife roller (122), the arc-shaped cutting fixed knife (127) is arranged on the snapping roller bracket (11), the cutting edge of the arc-shaped cutting fixed knife (127) is matched with a spiral guide rib on the spiral guide cone (124), and a cutting edge is arranged on the spiral guide rib of the spiral guide cone (124) (see figure 13). Like this spiral guide cone (124) also plays the effect of shredding straw for can not get into the straw surplus portion that the roller sword rolled and cut completely and be unlikely to overlength, thereby guarantee the crushing effect of straw, also solved straw and weeds simultaneously and twined spiral guide cone (124) problem.
6. The conveying part (02) comprises a front-stage lift conveyer (021) and a rear-stage lift conveyer (022), the front-stage lift conveyer (021) is arranged in front of the peeling mechanism (031), the rear-stage lift conveyer (021) is arranged behind the peeling mechanism (031) and between the granary (05) and the peeling mechanism (031), the ears are peeled, and the rear-stage lift conveyer (021) is further conveyed upwards to enter the granary (05) so that the granary (05) can be further heightened, and accordingly the volume of the granary (05) is increased to meet the requirement of high-speed harvesting.
7. The peeling part (03) comprises a peeling mechanism (031), a impurity removing fan (032) and a bract smashing device (033), the bract smashing device (033) is arranged at the outlet of a Fang Baoshe auger under the peeling mechanism (031), a guide cover (211) and an impurity removing roller (212) are arranged at the top end of a front-stage elevator (021), the impurity removing fan (032) is arranged at the upper part of the guide cover (211), a positive and negative uniform auger (311) and a fruit cluster uniform guide groove (312) are arranged between the peeling mechanism (031) and the guide cover (211), reverse spirals opposite to the middle uniform auger in rotation direction are arranged at two ends of the positive and negative uniform auger (311), and long leaves and broken rods are inwards gathered by the reverse spirals at two ends during harvesting, so that the winding problem at two ends of the auger is avoided; the front end of the peeling roller (313) extends forward to the front of the front guide plate (315), a forced feeding wheel (314) is arranged above the front end of the peeling roller (313), and a plurality of groups of pinch wheels (316) are arranged behind the forced feeding wheel (314) (see fig. 11 and 12). During operation, the front-stage elevator (021) conveys the ears harvested by the header part (01) and impurities such as broken rods, leaves and the like to the top, light impurities such as the leaves and the like are directly pumped by the impurity removing fan (032) and discharged, and heavy impurities such as broken rods and the like are clamped by the impurity removing roller (212) and conveyed into the impurity removing fan (032) and discharged by the impurity removing fan; the clusters are guided by the guide cover (211) and fall into the cluster uniformly-distributed guide grooves (312), the clusters are uniformly conveyed and distributed to the front end of the peeling roller (313) by the positive and negative uniformly-distributed auger (311), the clusters are ensured to be uniformly peeled, and the clusters are forcedly conveyed backwards and fed into the peeling machine by the forced feeding wheel (314), so that the stacking and blocking of the clusters are avoided.
8. The high-speed corn combine harvester without large feeding quantity can also cancel the buffer spring (7) and the buffer head (8) below the floating spike picking plate (5), and the floating spike picking plate (5) is directly supported on the spike picking roller bracket (11).
9. The high-speed corn combine harvester without large feeding quantity is characterized in that a spiral guide cone (124), a cutting moving blade (113) and a cutting fixed blade (114) are manufactured into a combined structure, cutting blades made of different materials are arranged at cutting edges of the spiral guide cone (124), the cutting moving blade (113) and the cutting fixed blade (114), and the cutting blades can be welded on the spiral guide cone (124), the cutting moving blade (113) and the cutting fixed blade (114) or fixed on the spiral guide cone (124), the cutting moving blade (113) and the cutting fixed blade (114) through screws or rivets.
10. The stem pulling rollers (13) of the header part (01) ear picking mechanism of the high-speed corn combine harvester without large feeding quantity are arc-shaped opposite-edge stem pulling rollers, namely, the edge ribs of the stem pulling rollers (13) are made into arc shapes, and the edge ribs of the two pairs of stem pulling rollers are opposite during installation (see fig. 2 and 6). When the two pairs of ribs are staggered during operation, the gap between the stalk pulling rollers is enlarged, corn stalks are conveniently fed, the arc ribs can effectively clamp and pull the stalks downwards along with the rotation of the stalk pulling rollers (13), and meanwhile, the defect that the cutter-type stalk pulling rollers are easy to break the corn stalks and have high impurity content is avoided.
11. The stem pulling roller supports (132) at the front ends of the left stem pulling roller and the right stem pulling roller in the same group of stem pulling rollers are staggered back and forth (see figure 14). During operation, when corn stalks pass through the stalk pulling roller support at the front end of the left stalk pulling roller, the right spiral guide cone is used for guiding and conveying the corn stalks backwards, and when the corn stalks pass through the stalk pulling roller support at the front end of the right stalk pulling roller, the left stalk pulling roller is used for pulling down the stalks and conveying the corn stalks, so that the problem that the front end of the existing stalk pulling roller structure is easy to block during high-speed harvesting is solved.
12. The transmission mode of the header part (01) adopts an intermediate transmission structure, namely, the power transmitted by a host machine is firstly transmitted to the middle ear picking transmission boxes through a plurality of transmission modes such as a transmission chain, a transmission belt, a transmission shaft, a gear transmission box, a hydraulic motor and the like (the transmission mode can be any one transmission mode of the transmission modes such as the transmission chain, the transmission belt, the transmission shaft, the gear transmission box, the hydraulic motor and the like, or the combined transmission mode of two or more transmission modes), and then the power is transmitted to the ear picking transmission boxes at two sides through the middle ear picking transmission boxes (the transmission mode can be the sequential transmission of the power from the middle ear picking transmission boxes to the ear picking transmission boxes at two sides, or the power is respectively transmitted from the middle ear picking transmission boxes to the ear picking transmission boxes at two sides).
Claims (8)
1. The utility model provides a high-speed maize combine harvester of big intake of not going on a line, it includes header part (01), conveying part (02), edulcoration part (03) of skinning, driver's cabin (04), granary (05) and chassis walking part (06), its characterized in that:
(1) the cutting table part (01) is provided with a rapid cutting and feeding thumb wheel system at the front end of the stalk pulling roller (13), a cutting stationary knife (114) is positioned above a cutting movable knife (113) in the system, and the cutting movable knife (113), an upper reel (115) and a lower reel (3) share the same transmission system with a reel chain (3): the cutting knife holder (111) is arranged at the front lower end of the snapping roll bracket (11), the cutting knife holder (111) can be adjusted front and back on the snapping roll bracket (11), the cutting knife shaft (112) is arranged in the cutting knife holder (111) through a bearing support, the cutting fixed knife (114) is fixed at the lower end of the cutting knife holder (111), the cutting fixed knife is positioned above the cutting movable knife (113) and is matched with the cutting movable knife (113), the cutting movable knife (113) is arranged at the lower end of the cutting knife shaft (112), the reel sprocket (119) is arranged at the upper end of the cutting knife shaft (112), the reel sprocket (119) serves as a tension sprocket of a reel chain (3) and also serves as an input sprocket for cutting the power of the knife shaft (112), the lower end of a reel shaft (116) is in transmission connection with the upper end of the reel shaft (112), the upper part of the reel shaft (116) is arranged in a reel branch (117) through a bearing support, the lower end of the reel branch (117) is hinged with the front end of a front support of a reel cover, the upper end of the reel cover is hinged with the front end of the front support of the reel cover, the reel shaft (117) is connected with the front end of the reel (118) through the front end of the reel cover, and the front end of the reel (118) is adjusted by the front end of the reel cover (118) is connected with the reel shaft (116);
(2) the ear picking plate of the ear picking mechanism of the header part (01) adopts a self-adaptive adjustment ear picking plate mechanism: the harvester comprises a rotating shaft support (1), a floating rotating arm (2), a connecting rotating pin (4), a floating ear picking plate (5), an adjusting screw rod (9), a pre-tightening spring (10), limit screws (12) and a stem pulling roller (13), wherein the floating ear picking plate (5) is arranged above the stem pulling roller (13), the harvester is arranged between a picking roller support (11) and a reel chain (3) and a reel chain guide plate (6), a buffer spring (7) and a buffer head (8) are arranged below the floating ear picking plate (5), the floating rotating arm (2) is arranged on the picking roller support (11) through the rotating shaft support (1), the harvester mainly comprises a floating rotating shaft (22), an upper floating arm (21) and a lower floating arm (23), the upper floating arm (21) is fixed at two ends of the floating rotating shaft (22), the connecting rotating pin (4) is arranged at the upper end of the upper floating arm (21), the connecting rotating pin (4) is hinged with the upper floating arm (21), the connecting rotating pin (4) is connected with a connecting seat (51) on the floating ear picking plate (5) through a connecting fastener, the lower floating arm (23) is connected with the floating arm (23) through the floating rotating shaft support (23) and the pre-tightening spring (10), the snapping roll bracket (11) is provided with limit screws (12) at the positions corresponding to the upper floating arm (21) and the lower floating arm (23);
(3) the stalk pulling roller (13) of the header part (01) ear picking mechanism adopts a self-adaptive stalk pulling roller adjusting mechanism: the weeding device comprises a weeding knife (131), a stem pulling roller support (132), a connecting fork (134), a guide rod (136), a guide spring (137) and a guide rod seat (138), wherein the guide rod seat (138) is additionally arranged on a snapping roller support (11), the guide rod (136) and the guide spring (137) are arranged in the guide rod seat (138), the outer circle of the guide rod (136) is matched with the inner hole of the guide rod seat (138), an adjusting nut (139) is arranged at the outer end of the guide rod (136) for adjusting the pretightening force of the guide spring (137), a positioning step is arranged in the middle of the guide rod (136) for limiting the telescopic range of the guide rod (136), the connecting fork (134) and a locking nut (135) are arranged at the inner end of the guide rod (136), the stem pulling roller support (132) is arranged in the connecting fork (134) through a connecting pin (133), and is also arranged at the front end of a stem pulling roller (13) through a bearing, a weeding knife (131) is arranged below the stem pulling roller support (132), and the weeding knife (131) corresponds to the contour of the pulling roller (13);
(4) a vertically-arranged roller cutter cutting device is arranged below the snapping roll of the header part (01), a cutting transmission box (121) and the snapping transmission box (120) are arranged in an upper layer transmission way and a lower layer transmission way, the cutting transmission box (121) is arranged below the snapping transmission box (120), an input shaft gear of the cutting transmission box (121) is meshed with a gear in the snapping transmission box (120), power is taken out from the snapping box and is transferred to a cutting knife roller (122) after being reversed by a bevel gear, the cutting knife roller (122) is arranged below a stalk pulling roller (13), a spiral guide cone (124) is arranged at the front end of the cutting knife roller (122), cutting movable knives (123) are uniformly arranged on the circumference of the cutting knife roller (122), cutting fixed knives (125) are arranged on fixed knife supports (126) on the snapping roll supports (11), and gaps between the cutting fixed knives (125) and the cutting movable knives (123) are adjustable;
(5) the conveying part (02) comprises a front-stage lift conveyer (021) and a rear-stage lift conveyer (022), the front-stage lift conveyer (021) is arranged in front of the peeling mechanism (031), and the rear-stage lift conveyer (022) is arranged behind the peeling mechanism (031) and is positioned between the granary (05) and the peeling mechanism (031);
(6) the peeling impurity removing part (03) comprises a peeling mechanism (031), an impurity removing fan (032) and a bract smashing device (033), the bract smashing device (033) is arranged at the outlet of a Fang Baoshe auger under the peeling mechanism (031), a guide cover (211) and an impurity removing roller (212) are arranged at the top end of a front-stage elevator (021), the impurity removing fan (032) is arranged on the upper portion of the guide cover (211), a positive and negative uniform distribution auger (311) and a fruit cluster uniform distribution guide groove (312) are arranged between the peeling mechanism (031) and the guide cover (211), opposite spiral directions opposite to the middle uniform distribution spiral are arranged at two ends of the positive and negative uniform distribution auger (311), a forced feeding wheel (314) is arranged above the front end of the peeling roller (313) before the front end of the front guide plate (315), and a plurality of groups of feeding wheels (316) are arranged behind the forced feeding wheel (314).
2. The high speed corn combine without large feed to rows of claim 1, wherein: an arc-shaped cutting fixed knife (127) is arranged at a corresponding position of a spiral guide cone (124) at the front end of the cutting knife roller (122), the arc-shaped cutting fixed knife (127) is arranged on the snapping roller bracket (11), the cutting edge of the arc-shaped cutting fixed knife (127) is matched with a spiral guide rib on the spiral guide cone (124), and a cutting edge is arranged on the spiral guide rib of the spiral guide cone (124).
3. The high speed corn combine without large feed to rows of claim 1, wherein: and a buffer spring (7) and a buffer head (8) below the floating snapping plate (5) are canceled, and the floating snapping plate (5) is directly supported on the snapping roll bracket (11).
4. The high speed corn combine without large feed to rows of claim 1, wherein: the cutting movable knife (113) and the cutting fixed knife (114) are manufactured into a combined structure, and cutting blades made of different materials are arranged at the cutting edges of the cutting movable knife (113) and the cutting fixed knife (114).
5. The high speed corn combine without large feed to rows of claim 2, wherein: the spiral guide cone (124) and the arc-shaped chopping fixed knife (127) are manufactured into a combined structure, and cutting blades made of different materials are arranged at the cutting edges of the spiral guide cone (124) and the arc-shaped chopping fixed knife (127).
6. The high speed corn combine without large feeding according to any one of claims 1-5, characterized in that: the stalk pulling rollers (13) of the header part (01) ear picking mechanism adopt arc opposite-edge stalk pulling rollers, namely, the edge ribs of the stalk pulling rollers (13) are manufactured into arc shapes, and the arc edge ribs of the two pairs of stalk pulling rollers are opposite during installation.
7. The high speed corn combine without large feeding according to any one of claims 1-5, characterized in that: the mounting positions of the stalk-pulling roll supports (132) at the front ends of the left stalk-pulling roll and the right stalk-pulling roll in the same group are staggered back and forth.
8. The high speed corn combine without large feeding according to any one of claims 1-5, characterized in that: the header part (01) adopts an intermediate transmission structure, namely, the power transmitted by the host machine is firstly transmitted to the intermediate ear picking transmission boxes, and then the intermediate ear picking transmission boxes are transmitted to the ear picking transmission boxes at two sides.
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| US20210392816A1 (en) * | 2018-11-16 | 2021-12-23 | Cnh Industrial America Llc | Locking mechanism for an agricultural header |
| CN111602501B (en) * | 2020-04-22 | 2022-06-28 | 勇猛机械股份有限公司 | Debris clearing device suitable for maize seed grain results |
| CN112673806B (en) * | 2020-12-21 | 2021-12-07 | 安徽商贸职业技术学院 | Automatic change harvester |
| CN116472857B (en) * | 2023-06-14 | 2023-09-26 | 甘肃农业大学 | Seed production corn harvester and peeling device thereof |
| CN117242978B (en) * | 2023-11-17 | 2024-01-26 | 山西农业大学 | Double-chain tooth type grain combine harvester header |
| CN117427703B (en) * | 2023-12-20 | 2024-02-23 | 云南禄味食品有限公司 | Little maize processing is with spraying belt cleaning device |
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Effective date of registration: 20231206 Address after: 461000 No. 237 Xinxing Road, Henan, Xuchang Patentee after: XUCHANG CHESHEN VEHICLE Co.,Ltd. Address before: 461000 Xuchang Cheshen Automobile Co., Ltd., No. 237, Xinxing Road, Xuchang City, Henan Province Patentee before: Zheng Yuhu Patentee before: Xue Jiangtao |