CN115443813A - Modular coarse cereal header and harvester - Google Patents
Modular coarse cereal header and harvester Download PDFInfo
- Publication number
- CN115443813A CN115443813A CN202211154035.1A CN202211154035A CN115443813A CN 115443813 A CN115443813 A CN 115443813A CN 202211154035 A CN202211154035 A CN 202211154035A CN 115443813 A CN115443813 A CN 115443813A
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- header
- cutter head
- case
- transmission
- cutter
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- 235000013339 cereals Nutrition 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 115
- 238000005520 cutting process Methods 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 4
- 230000001012 protector Effects 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 6
- 238000003306 harvesting Methods 0.000 description 4
- 240000006394 Sorghum bicolor Species 0.000 description 2
- 235000011684 Sorghum saccharatum Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 239000004464 cereal grain Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Images
Classifications
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/003—Harvesting of standing crops of millet, sorghum
-
- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D46/00—Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
Abstract
The invention provides a modular coarse cereal header and a harvester, and belongs to the technical field of agricultural machinery equipment. The modularized coarse cereal header comprises a supporting crossbeam and a plurality of header modules, wherein the supporting crossbeam is connected with a header rack; each header module comprises a case, an installation fixing assembly, a transmission shaft, an outer transmission assembly, an inner transmission assembly and a cutting knife assembly, wherein the outer transmission assembly is used for being connected with the transmission shaft of the adjacent header module or a power transmission mechanism of the harvester; the cutting knife component is connected with the inner transmission component to carry out cutting movement under the driving of the transmission shaft. The harvester comprises the modular coarse cereal header. The header module can be detached and replaced independently, so that the maintenance of the whole header or the harvester is facilitated, the maintenance time can be reduced, the purchase, use and maintenance costs are reduced, and the production efficiency and benefits are improved.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery and equipment, and particularly relates to a modular coarse cereal header and a harvester.
Background
A harvester is a common agricultural equipment. The harvester generally comprises a divider, a grain pulling device, a header, a cutter, a conveying device, a transmission system, a suspension device and the like, the specific forms of the harvester are different according to different purposes, such as wheat, corn, sorghum and the like, but the header of the existing harvester is integrated, the integrity is strong, the integral structure is complex, faults are easy to occur, once part of parts in the header are damaged, all parts need to be disassembled for repair, the maintenance cost and time are long, the production is easy to delay, and the harvesters of different sizes, the headers of different ridge distances and different terrains need the dividers of different specifications and sizes, so that the single header is low in applicability, the acquisition cost and the use cost are high, and along with the development trend of the harvester, the integrated header is difficult to manufacture and large in size.
Disclosure of Invention
The invention aims to provide a modular coarse cereal header and a harvester, and aims to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the modularized coarse cereal header comprises a supporting cross beam and a plurality of header modules, wherein the supporting cross beam is connected with a header rack; each header module comprises a case, an installation fixing assembly, a transmission shaft, an outer transmission assembly, an inner transmission assembly and a cutting knife assembly, wherein the installation fixing assembly is arranged on the case and used for connecting the case with the supporting beam; the transmission shaft penetrates through the case, the middle part of the transmission shaft is in running fit with the case, and the two ends of the transmission shaft are positioned outside the case; the outer transmission assemblies are arranged at two ends of the transmission shaft and are used for being connected with the transmission shaft of the adjacent header module or a power transmission mechanism of the harvester; the inner transmission assembly is arranged in the middle of the transmission shaft and is positioned in the case; the cutting knife assembly is arranged on the case and connected with the inner transmission assembly to perform cutting movement under the driving of the transmission shaft.
In one possible implementation, the outer drive assembly, when connected with the drive shaft of an adjacent header module, includes a coupling to connect the drive shaft of the adjacent header module; when the power transmission mechanism of the harvester is connected, the outer transmission assembly comprises a chain wheel so as to be connected with the power transmission mechanism of the harvester; the internal transmission assembly comprises a gear transmission assembly, and the cutting knife assembly is connected with the gear transmission assembly through a power shaft.
In one possible implementation, both ends of the transmission shaft are provided with splines to connect with a coupler or a chain wheel; the coupler comprises a chain coupler; the power shaft extends into the case and is vertical to the transmission shaft; the header module also comprises a shaft joint baffle plate, and the shaft joint baffle plate is connected with the case to shield the outer transmission assembly; the case is of a box-type structure, and the upper part of the case is used for injecting lubricating oil into the case.
In one possible implementation manner, the mounting and fixing assembly comprises two connecting pieces, and the two connecting pieces are respectively arranged at two ends of the case; each connecting piece comprises two screws and a connecting plate, the two screws are respectively connected with the case and are respectively positioned above and below a preset cross beam of the harvester, and two ends of the connecting plate are respectively connected with the screws so as to be matched with the two screws and the case to fix the case on the preset cross beam of the harvester.
In one possible implementation mode, the cutting knife assembly comprises a power shaft, a cutter head and a plurality of cutter heads, wherein the power shaft is rotatably arranged on the case, one end of the power shaft is positioned in the case and connected with the transmission shaft through an outer transmission assembly, and the other end of the power shaft extends out of the case; the cutter head is connected with one end of the power shaft, which is positioned outside the case, so as to rotate under the driving of the power shaft; the cutter heads are distributed at the edge of the cutter head and extend out of the edge of the cutter head, and the side parts of the cutter heads are provided with cutting edges for cutting crop stalks entering the cutting range of the edge of the cutter head when the cutter head rotates.
In one possible implementation mode, two bracket mounting positions for mounting the reel chains are arranged on the case in parallel, a reel chain driving wheel is arranged on the power shaft, the cutter head protrudes out of the reel chain driving wheel, and the reel chain driving wheel is connected with one reel chain to drive the reel chains to rotate; the other reel chain is in transmission connection with the transmission shaft; the two reel chains are arranged in a staggered manner so as to be matched with each other to drive crop stalks to the cutter head.
In a possible implementation mode, the two sides of the cutter head are provided with cutting edges, and the end part of the cutter head extending out of the cutter head is of a trapezoidal structure or a triangular structure; the cutting edge is a straight cutting edge, a cutting edge with a concave middle part or a cutting edge with a convex middle part; the cutting edge is obliquely arranged, and an included angle between the cutting edge and a connecting line of the rotating center of the cutter head and the center of the cutter head is 10-60 degrees; the cutter head is provided with a dodging hole; the cutter head is fixed on the cutter head through a fastener; the fastener comprises two bolts or rivets which are arranged on the cutter head in parallel.
In a possible implementation mode, the modular coarse cereal header further comprises a blade protector, the blade protector is fixed on the case and located on one side of the cutter head, a blade passing groove for allowing a cutter head to extend to the end outside the cutter head to pass through is formed in the blade protector, the blade passing groove at least covers the front end and the middle part of the blade, and a fixed cutter matched with the blade is arranged on the blade passing groove; the blade protector is used for blocking one side of the plant stalks and forming an included angle with a reel chain of the harvester; the blade forms an included angle with one side of the blade protector used for blocking the plant stalks when entering the blade passing groove.
In one possible implementation mode, the modular coarse cereal header further comprises a knife protection plate, wherein the knife protection plate is arranged on one side of the cutter head and is positioned below the cutter head and used for scraping impurities adhered to the cutter head; the cutter protecting plate comprises a cutter cleaning part and a cutter protecting part, the cutter cleaning part is positioned below the cutter head and used for scraping impurities adhered to the cutter head, and the cutter protecting part is positioned behind the cutter cleaning part and has an outer diameter larger than that of a cutting area of the cutter head; the cutter head is fixed on the upper surface of the cutter head, one side of the cutter protecting plate, facing the cutter head, is provided with an arc-shaped edge matched with the cutter head, and the upper surface of the cutter protecting plate is flush with the upper surface of the cutter head.
The modular coarse cereal header provided by the invention has the beneficial effects that: compared with the prior art, the header module is provided with the supporting beams and the header modules, and the number of different header modules can be selected through the matching of the chassis, the mounting and fixing assembly, the transmission shaft, the outer transmission assembly, the inner transmission assembly, the cutter assembly and other components on each header module, the distance between adjacent header modules can also be adjusted, and finally headers with different widths can be formed, so that the requirements of different harvesting scenes can be more flexibly met. The invention can be suitable for harvesting sorghum, corn, millet, rape, wheat and other crops.
In order to achieve the purpose, the invention adopts the following technical scheme: the harvester comprises the modularized coarse cereal cutting table and a reel chain arranged on the modularized coarse cereal cutting table, wherein the reel chain positioned on the outermost side is longer than the reel chain positioned in the middle.
The harvester provided by the invention has the beneficial effects that: compared with the prior art, the modularized coarse cereal header has the advantages that by arranging the modularized coarse cereal header, the number of different header modules can be selected, the distance between the adjacent header modules can be adjusted, and finally headers with different widths can be formed, so that the requirements of different harvesting scenes can be met more flexibly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic side view of a harvester according to an embodiment of the present invention;
fig. 2 is a schematic bottom view of a harvester according to an embodiment of the present invention;
fig. 3 is a schematic top view of the modular coarse cereal header provided by the embodiment of the present invention when a reel chain is installed;
fig. 4 is a schematic top view of the modular coarse cereal header provided by the embodiment of the present invention when a reel chain is not installed;
fig. 5 is a schematic vertical sectional structure view of the modular coarse cereal header provided in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an outer transmission component part of the modular coarse cereal header provided by the embodiment of the invention;
fig. 7 is a schematic structural diagram of a cutter assembly part of the modular coarse cereal header provided by the embodiment of the invention;
fig. 8 is a schematic top view of a cutter assembly portion of the modular coarse cereal header according to an embodiment of the present invention;
fig. 9 is a schematic side view of an edge protector of a modular coarse cereal header according to an embodiment of the present invention.
Wherein, each reference number in the figures is as follows:
10. a chassis; 11. an oil injection assembly;
20. installing a fixed component; 21. a screw; 22. a connecting plate;
30. a drive shaft;
40. an outer drive assembly; 41. a coupling; 42. a sprocket;
50. an inner drive assembly;
60. a cutter assembly; 61. a power shaft; 62. a cutter head; 63. a cutter head; 64. avoiding holes;
65. a blade; 66. a bolt; 67. a blade guard; 671. fixing a cutter; 68. a blade passing groove;
69. a knife protecting plate; 691. a blade protecting part; 692. a cutter cleaning part;
70. a shaft joint baffle;
80. a support beam;
91. a reel chain; 92. a reel chain transmission wheel; 93. a power transmission mechanism of a harvester.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
It should be further understood that the drawings and embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, the specific forms and arrangements of some connection relationships, position relationships, power mechanisms, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art can implement the specific forms and arrangements in a known manner on the premise that those skilled in the art understand the concept of the present invention.
When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In the description of the present invention, "a plurality" means two or more, and "several" means one or more unless specifically limited otherwise.
The modular coarse cereal header and the harvester provided by the invention are explained.
Referring to fig. 1 to 5, a modular cereal grain header according to a first embodiment of the present invention includes a supporting beam 80 and a plurality of header modules, wherein the supporting beam 80 is connected to a header frame; each header module comprises a case 10, a mounting and fixing component 20, a transmission shaft 30, an outer transmission component 40, an inner transmission component 50 and a cutting knife component 60, wherein the mounting and fixing component 20 is arranged on the case 10 and used for connecting the case 10 with a supporting beam 80; the transmission shaft 30 penetrates through the case 10, the middle part of the transmission shaft is in running fit with the case 10, and the two ends of the transmission shaft are positioned outside the case 10; the outer transmission assemblies 40 are arranged at two ends of the transmission shaft 30 and are used for being connected with the transmission shaft 30 of the adjacent header module or a power transmission mechanism 93 of the harvester; the inner transmission assembly 50 is arranged in the middle of the transmission shaft 30 and is positioned in the case 10; the cutter assembly 60 is disposed on the housing 10 and connected to the inner transmission assembly 50 to perform a cutting motion by the transmission shaft 30.
Before the header module is used, a proper number of header modules are selected according to the width requirement of the header, the header modules are sequentially fixed on the supporting beam 80 through the mounting and fixing assemblies 20, and the transmission shafts 30 of the adjacent header modules and the transmission shafts 30 of the header modules positioned at the outermost ends are connected with the power transmission mechanism 93 of the harvester by utilizing the outer transmission assembly 40; when the harvester is used for harvesting, the power transmission mechanism 93 of the harvester transmits power to the transmission shaft 30 of the header module positioned at the outermost end, the transmission shaft 30 of the header module positioned at the outermost end transmits the power to the transmission shaft 30 of the adjacent header module through the outer transmission assembly 40, the transmission shaft 30 of each header module transmits the power to the cutting knife assembly 60 through the inner transmission assembly 50, and crop stalks are cut by the cutting knife assembly 60.
The modularization cereal cutting platform that this embodiment provided, compared with the prior art, through setting up supporting beam 80 and a plurality of header module, and through quick-witted case 10 on every header module, installation fixed subassembly 20, transmission shaft 30, outer drive assembly 40, the cooperation of parts such as interior drive assembly 50 and cutting knife subassembly 60, can be through the quantity of selecting different header modules, interval between the adjacent header module also can be adjusted, finally can constitute the header of different width, so that be suitable for the needs of different scenes of reaping more nimble, this kind of cooperation form makes every header module all can independently dismantle the change simultaneously, the maintenance of the whole header or the harvester of being more convenient for, can reduce maintenance duration, and reduce the purchase, use and maintenance's cost, improve production efficiency and benefit.
Referring to fig. 1 to fig. 6, a first embodiment of the present invention is further provided as follows:
when connected to the drive shaft 30 of an adjacent header module, the outer drive assembly 40 includes a coupling 41 to connect the drive shaft 30 of the adjacent header module; when connected to the harvester's power transmission 93, the outer transmission assembly 40 includes a sprocket 42 to connect to the harvester's power transmission 93; the inner transmission assembly 50 comprises a gear transmission assembly, and the cutting knife assembly 60 is connected with the gear transmission assembly through a power shaft 61.
The transmission shafts 30 are connected between a plurality of adjacent header modules through the couplers 41, and the outer ends of the transmission shafts 30 of the header modules at the outermost ends are provided with the chain wheels 42 so as to be connected with a power transmission mechanism 93 of the harvester.
Both ends of the transmission shaft 30 are provided with splines to stably mount the coupling and the sprocket.
The coupling may be of various forms and preferably the coupling may be a chain coupling, which allows the same sprocket to be mounted on both ends of the drive shaft 30 for connection to the drive shaft 30 of an adjacent header module or the power transmission 93 of the harvester by different chains. When the power transmission mechanism 93 of the harvester is connected, only a common chain is used for connection; when the transmission shafts 30 of the adjacent header modules are connected, the same chain wheels are arranged on the transmission shafts 30 of the two adjacent header modules, so that the two chain wheels are connected only by the parallel chains, and the parallel chains are three chain pieces arranged on the chain shafts matched with the teeth of the chain wheels in parallel, so that a structure matched with the two chain wheels is formed.
The power shaft 61 extends into the chassis 10 and is perpendicular to the transmission shaft 30 to ensure the transmission of torque.
The header module further comprises an axle joint baffle 70, the axle joint baffle 70 being connected with the chassis 10 to shield the outer transmission assembly 40 from impurities entering the coupler.
The casing 10 is of a box-shaped structure, and an oil filling assembly 11 for filling lubricating oil into the casing 10 is arranged at the upper part of the casing 10.
The mounting and fixing assembly 20 includes two connectors respectively disposed at two ends of the casing 10 to stably connect the casing 10 with the supporting beams 80; each connecting piece comprises two screws 21 and a connecting plate 22, the two screws 21 are respectively connected with the case 10 and respectively located above and below the supporting beam 80, and two ends of the connecting plate 22 are respectively connected with the screws 21 so as to be matched with the two screws 21 and the case 10 to fix the case 10 on the supporting beam 80.
Referring to fig. 3 to 9, a first embodiment of the present invention is further provided as follows:
the cutting knife assembly 60 comprises a power shaft 61, a cutter head 62 and a plurality of cutter heads 63, the power shaft 61 is rotatably arranged on the case 10, one end of the power shaft is positioned in the case 10 and is connected with the transmission shaft 30 through the outer transmission assembly 40, and the other end of the power shaft extends out of the case 10; the cutter head 62 is connected with one end of the power shaft 61 outside the case 10 so as to rotate under the driving of the power shaft 61; the cutter heads 63 are distributed at the edge of the cutter disc 62 and extend out of the edge of the cutter disc 62, and the side parts of the cutter heads 63 are provided with cutting edges 65 for cutting crop stalks entering the cutting range of the edge of the cutter disc 62 when the cutter disc 62 rotates.
The cutter head 63 is driven by the rotation of the cutter head 62 to cut crop stalks entering the cutting range of the edge of the cutter head 62, the cutting efficiency can be adjusted by the number of the cutter heads 63 and the rotating speed of the cutter head 62, the cutting effect and efficiency can be ensured, the cutting can be carried out in a single transmission mode, the cutting can be carried out only in the range of a group of reel chains, and the design requirement of the modular cutting table can be met; the rotary cutting knife mechanism simplifies the complex transmission mechanism of the reciprocating cutting knife of the traditional header, can reduce the failure rate, and better conforms to the large-scale development trend of the header of the harvester.
Two bracket mounting positions for mounting the reel chains 91 are arranged on the case 10 in parallel, a reel chain driving wheel 92 is arranged on the power shaft 61, the cutter head 63 protrudes out of the reel chain driving wheel 92, and the reel chain driving wheel 92 is connected with one reel chain 91 to drive the reel chains 91 to rotate; the other reel chain 91 is in transmission connection with the transmission shaft 30; the two reel chains 91 are arranged in a staggered manner in order to cooperate with each other to reel crop stalks toward the cutter head 62.
The two sides of the cutter head 63 are provided with cutting edges 65, and the end part of the cutter head 63 extending out of the cutter head 62 is in a trapezoidal structure or a triangular structure.
The blade 65 is a straight blade, a blade with a concave middle part or a blade with a convex middle part.
The cutting edge 65 is obliquely arranged, and the included angle between the cutting edge 65 and the connecting line of the rotating center of the cutter head 62 and the center of the cutter head 63 is 10-60 degrees.
The cutter head 62 is provided with a relief hole 64 so that the screw and other parts on the components at the lower part of the cutter head 62 can be tightly adjusted through the relief hole 64 without disassembling the cutter head 62.
The cutter head 63 is fixed to the cutter head 62 by a fastener.
The fastener includes two bolts 66 or rivets juxtaposed on the bit 63 to ensure balanced forces and to prevent rotation and deflection of the bit 63 during operation.
The modular coarse cereal header further comprises a blade protector 67, the blade protector 67 is fixed on the case 10 and located on one side of the cutter disc 62, a blade passing groove 68 for allowing the end portion of the cutter head 63 extending out of the cutter disc 62 to pass through is formed in the blade protector 67, the blade passing groove 68 at least covers the front end and the middle portion of the blade 65, and a fixed cutter 671 matched with the blade 65 is formed in the blade passing groove 67. The cutter head 63 cooperates with the stationary blade 671 to shear the crop stem and avoid damage to the cutter head or blade due to the cutter head 63 deflecting upwardly and downwardly.
The blade protector 67 is used for blocking one side of the plant stalks and forming an included angle with the reel chain of the harvester.
When the cutting edge 65 enters the cutting edge passing groove 68, the cutting edge 65 and one side of the cutting edge protector 67 used for blocking the plant stalks are arranged at an included angle, so that a part of the cutting edge 65 firstly enters the cutting edge passing groove 68 to cut the plant stalks and the cutting edge 65 is prevented from being stressed and dislocated to hit the cutting edge protector 67 in the process of cutting the plant stalks.
The modular coarse cereal header further comprises a knife protecting plate 69, wherein the knife protecting plate 69 is arranged on one side of the cutter head 62 and is positioned below the cutter head 63 and used for scraping impurities adhered to the cutter head 63; the knife guard 69 can scrape off impurities adhered to the cutter head 63 when the cutter head 63 passes through, and the knife guard 69 is fixed on the header through fasteners such as bolts and occupies a space beside the cutter head 62, so that the impurities can be prevented from being accumulated beside the cutter head 62.
The knife guard 69 comprises a knife cleaning part 692 and a knife protecting part 691, the knife cleaning part 692 is positioned below the knife head 65 and used for scraping impurities adhered on the knife head 65, the knife protecting part 691 is positioned behind the knife cleaning part 692, and the outer diameter of the knife protecting part 691 is larger than that of the cutting area of the knife head 65, so that the knife head 20 is prevented from rotating to cut the following crop seeds after installation.
The cutter heads 63 are all fixed on the upper surface of the cutter head 62, an arc-shaped edge matched with the cutter head 62 is arranged on one side, facing the cutter head 62, of the cutter protection plate 69, and the upper surface of the cutter protection plate 69 is flush with the upper surface of the cutter head 62. There is a slight clearance between the guard 69 and the cutter head 62 and cutter head 63 to avoid direct friction. The knife guard 691 and the knife cleaner 692 may be formed as separate bodies or as an integral plate.
The knife guard 691 may be a circular arc-shaped flat plate, and one side of the flat plate facing the knife head 65 is provided with an arc-shaped groove which diverges outwards, so that sundries which are not completely cleaned by the knife cleaning portion 692 are gradually discharged along the arc-shaped groove, and the knife head 63 is prevented from being repeatedly scraped by hard objects such as gravel on the knife guard 69, and the knife head 63 is rapidly abraded.
Referring to fig. 1 and 2, a harvester according to a second embodiment of the present invention includes the above-mentioned modular coarse cereal header and a reel chain disposed on the modular coarse cereal header, wherein the reel chain located at the outermost side is longer than the reel chain located at the middle side, so as to adapt to different planting row spacing.
The harvester that this embodiment provided, compared with the prior art, through setting up foretell modularization cereal header, can be through the quantity of selecting different header modules, interval between the adjacent header module also can be adjusted, finally can constitute the header of different width, so that be suitable for the needs that the scene was reaped to the difference more nimble, this kind of cooperation form makes every header module all can independently dismantle the change simultaneously, the maintenance of whole header or harvester of being more convenient for, can reduce maintenance duration, and reduce the purchase, the cost of use and maintenance, production efficiency and benefit are improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A modularized coarse cereal header is characterized by comprising a supporting crossbeam (80) and a plurality of header modules, wherein the supporting crossbeam (80) is connected with a header rack; each header module includes:
a chassis (10);
the mounting and fixing assembly (20) is arranged on the case (10) and used for connecting the case (10) with the supporting cross beam (80);
the transmission shaft (30) penetrates through the case (10), the middle part of the transmission shaft is in running fit with the case (10), and two ends of the transmission shaft are positioned outside the case (10);
the outer transmission assemblies (40) are arranged at two ends of the transmission shaft (30) and are used for being connected with the transmission shaft (30) of the adjacent header module or a power transmission mechanism (93) of the harvester;
the inner transmission assembly (50) is arranged in the middle of the transmission shaft (30) and is positioned in the case (10);
and the cutting knife assembly (60) is arranged on the case (10) and is connected with the inner transmission assembly (50) so as to carry out cutting motion under the driving of the transmission shaft (30).
2. The modular coarse cereal header of claim 1, wherein: the outer drive assembly (40), when connected with the drive shaft (30) of an adjacent header module, comprises a coupling (41) to connect the drive shaft (30) of the adjacent header module; when connected with a power transmission mechanism (93) of the harvester, the external transmission assembly (40) comprises a chain wheel (42) so as to be connected with the power transmission mechanism (93) of the harvester; the internal transmission assembly (50) comprises a gear transmission assembly, and the cutting knife assembly (60) is connected with the gear transmission assembly through a power shaft (61).
3. The modular coarse cereal header of claim 2, wherein: both ends of the transmission shaft (30) are provided with splines to be connected with the coupler (41) or the chain wheel (42); the coupling comprises a chain coupling; the power shaft (61) extends into the case (10) and is vertical to the transmission shaft (30); the header module further comprises an axle joint baffle (70), the axle joint baffle (70) being connected with the chassis (10) to shield the outer transmission assembly (40); the machine case (10) is of a box-shaped structure, and the upper portion of the machine case (10) is provided with an oil injection assembly (11) used for injecting lubricating oil into the machine case (10).
4. The modular coarse cereal header of claim 1, wherein: the mounting and fixing component (20) comprises two connecting pieces which are respectively arranged at two ends of the case (10); each connecting piece comprises two screws (21) and a connecting plate (22), the two screws (21) are respectively connected with the case (10) and are respectively positioned above and below the supporting cross beam (80), and two ends of the connecting plate (22) are respectively connected with the screws (21) so as to be matched with the two screws (21) and the case (10) to fix the case (10) on the supporting cross beam (80).
5. The modular coarse cereal header of claim 1, wherein: the cutting knife assembly (60) comprises a power shaft (61), a cutter head (62) and a plurality of cutter heads (63), the power shaft (61) is rotatably arranged on the case (10), one end of the power shaft is positioned in the case (10) and is connected with the transmission shaft (30) through an external transmission assembly (40), and the other end of the power shaft extends out of the case (10); the cutter head (62) is connected with one end of the power shaft (61) outside the case (10) so as to be driven by the power shaft (61) to rotate; a plurality of tool bits (63) distribute and set up blade disc (62) edge, and stretch out blade disc (62) edge, the lateral part of tool bit (63) is equipped with cutting edge (65), is used for cutting when blade disc (62) are rotatory and gets into the crop stalk of blade disc (62) edge cutting scope.
6. The modular coarse cereal header of claim 5, wherein: two bracket mounting positions for mounting the reel chains (91) are arranged on the case (10) in parallel, a reel chain driving wheel (92) is arranged on the power shaft (61), the cutter head (63) protrudes out of the reel chain driving wheel (92), and the reel chain driving wheel (92) is connected with one reel chain (91) to drive the reel chains (91) to rotate; the other reel chain (91) is in transmission connection with the transmission shaft (30); the two reel chains (91) are arranged in a staggered way in order to mutually match and stir the crop stalks to the cutter head (62).
7. The modular coarse cereal header of claim 5, wherein: the cutting edges (65) are arranged on two sides of the cutter head (63), and the end part of the cutter head (63) extending out of the cutter head (62) is of a trapezoidal structure or a triangular structure; the cutting edge (65) is a straight cutting edge, a cutting edge with a concave middle part or a cutting edge with a convex middle part; the cutting edge (65) is obliquely arranged, and an included angle formed by the cutting edge and a connecting line of the rotating center of the cutter head (62) and the center of the cutter head (63) is 10-60 degrees; the cutter head (62) is provided with avoidance holes (64); the cutter head (63) is fixed on the cutter head (62) through a fastener; the fastener comprises two bolts (66) or rivets which are arranged on the cutter head (63) in parallel.
8. The modular coarse cereal header of claim 5, wherein: the modularized coarse cereal header further comprises a blade protector (67), the blade protector (67) is fixed on the chassis (10) and located on one side of the cutter head (62), a blade passing groove (68) for the end part of the cutter head (63) extending out of the cutter head (62) to pass through is formed in the blade protector (67), the blade passing groove (68) at least covers the front end and the middle part of the blade (65), and a fixed cutter (671) matched with the blade (65) is arranged on the blade passing groove (67); the blade protector (67) is used for blocking one side of the plant stalks and forming an included angle with a reel chain of the harvester; the cutting edge (65) forms an included angle with one side of the blade protector (67) used for blocking the plant stalks when entering the blade passing groove (68).
9. The modular coarse cereal header of claim 5, wherein: the modular coarse cereal header further comprises a knife protecting plate (69), wherein the knife protecting plate (69) is arranged on one side of the cutter head (62), is positioned below the cutter head (63) and is used for scraping impurities adhered to the cutter head (63); the cutter protecting plate (69) comprises a cutter cleaning part and a cutter protecting part, the cutter cleaning part is positioned below the cutter head (65) and used for scraping impurities adhered to the cutter head (65), and the cutter protecting part is positioned behind the cutter cleaning part and has an outer diameter larger than that of a cutting area of the cutter head (65); tool bit (63) all fix on the upper surface of blade disc (62), protect cutting board (69) orientation one side of blade disc (62) be equipped with blade disc (62) complex arc limit, protect the upper surface of cutting board (69) with the upper surface parallel and level of blade disc (62).
10. A harvester, characterized by: comprising a modular coarse cereal header as claimed in any one of claims 1 to 9 and a reeling chain provided thereon, wherein the outermost reeling chain is longer than the middle reeling chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154035.1A CN115443813A (en) | 2022-09-21 | 2022-09-21 | Modular coarse cereal header and harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154035.1A CN115443813A (en) | 2022-09-21 | 2022-09-21 | Modular coarse cereal header and harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115443813A true CN115443813A (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211154035.1A Pending CN115443813A (en) | 2022-09-21 | 2022-09-21 | Modular coarse cereal header and harvester |
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| Country | Link |
|---|---|
| CN (1) | CN115443813A (en) |
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| DE1757456A1 (en) * | 1968-05-10 | 1971-04-22 | Hagedorn Geb & Co | Corn head |
| CN2338959Y (en) * | 1998-07-09 | 1999-09-22 | 江苏省国营黄海农场机电服务中心 | Opposite-running maize-cutting table matched with combine |
| RU2340157C1 (en) * | 2007-06-13 | 2008-12-10 | Федеральное государственное образовательное учреждение высшего профессионального образования "Волгоградская государственная сельскохозяйственная академия" | Machine for harvesting of row crops, predominantly soya beans |
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| US20190373809A1 (en) * | 2018-06-08 | 2019-12-12 | Cnh Industrial America Llc | Rotary sickle cutting system for an agricultural vehicle |
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| CN212278898U (en) * | 2020-05-27 | 2021-01-05 | 唐山利军机械制造有限公司 | Corn harvester capable of harvesting stems and ears |
| CN214708858U (en) * | 2021-06-17 | 2021-11-16 | 石家庄天人农业机械装备有限公司 | Narrow row spacing corn header |
| CN215454036U (en) * | 2021-08-18 | 2022-01-11 | 石家庄天人农业机械装备有限公司 | Crawler-type fresh corn harvester |
| CN218417408U (en) * | 2022-09-21 | 2023-02-03 | 石家庄天人农业机械装备有限公司 | Cutting table module of harvester |
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2022
- 2022-09-21 CN CN202211154035.1A patent/CN115443813A/en active Pending
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|---|---|---|---|---|
| DE1757456A1 (en) * | 1968-05-10 | 1971-04-22 | Hagedorn Geb & Co | Corn head |
| CN2338959Y (en) * | 1998-07-09 | 1999-09-22 | 江苏省国营黄海农场机电服务中心 | Opposite-running maize-cutting table matched with combine |
| RU2340157C1 (en) * | 2007-06-13 | 2008-12-10 | Федеральное государственное образовательное учреждение высшего профессионального образования "Волгоградская государственная сельскохозяйственная академия" | Machine for harvesting of row crops, predominantly soya beans |
| DE102007035791B3 (en) * | 2007-07-31 | 2009-03-26 | Maschinenfabrik Kemper Gmbh & Co. Kg | Mowing and collecting device for stalk-like plants harvesting machine, has holder with straight edge that together with scraper closes narrow gap such that undesired accumulation of residues of harvested plant are removed by scraper |
| CN202889958U (en) * | 2012-11-21 | 2013-04-24 | 张小龙 | Harvesting stripping table device of whole corn harvester |
| CN208242249U (en) * | 2018-05-04 | 2018-12-18 | 抚顺鑫兴农业机械有限责任公司 | A kind of corn harvester header |
| US20190373809A1 (en) * | 2018-06-08 | 2019-12-12 | Cnh Industrial America Llc | Rotary sickle cutting system for an agricultural vehicle |
| CN208402495U (en) * | 2018-07-12 | 2019-01-22 | 石家庄天人农业机械装备有限公司 | A kind of sorghum cutting bench for harvesting |
| CN208657382U (en) * | 2018-08-17 | 2019-03-29 | 佳木斯宏达农业装备有限公司 | A kind of coarse cereals ceding of Taiwan |
| CN210226253U (en) * | 2019-06-17 | 2020-04-03 | 石家庄天人农业机械装备有限公司 | Non-row corn harvesting header |
| CN212278898U (en) * | 2020-05-27 | 2021-01-05 | 唐山利军机械制造有限公司 | Corn harvester capable of harvesting stems and ears |
| CN214708858U (en) * | 2021-06-17 | 2021-11-16 | 石家庄天人农业机械装备有限公司 | Narrow row spacing corn header |
| CN215454036U (en) * | 2021-08-18 | 2022-01-11 | 石家庄天人农业机械装备有限公司 | Crawler-type fresh corn harvester |
| CN218417408U (en) * | 2022-09-21 | 2023-02-03 | 石家庄天人农业机械装备有限公司 | Cutting table module of harvester |
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