CN215301593U - Corn harvester - Google Patents
Corn harvester Download PDFInfo
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- CN215301593U CN215301593U CN202120314274.3U CN202120314274U CN215301593U CN 215301593 U CN215301593 U CN 215301593U CN 202120314274 U CN202120314274 U CN 202120314274U CN 215301593 U CN215301593 U CN 215301593U
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Abstract
The utility model provides a corn harvester with a double-fan impurity removing system, which comprises an ear picking platform used for picking corn stalks and separating the corn stalks and corn ears, an elevator with a channel formed inside and used for further conveying the corn ears conveyed by the ear picking platform to the upper part of the corn harvester, a first cutting part arranged above the elevator and communicated with the channel of the elevator, and a first impurity removing fan part arranged on the right side of the first cutting part and communicated with the first cutting part. The first trash-discharging fan part sucks and discharges the corn stalks and the bracts chopped by the first chopping part, and the first trash-discharging fan part comprises a first shell part and a first trash-discharging fan. First casing portion is including the fan installation department that is used for installing first miscellaneous fan of row, the transport portion of being connected with the fan installation department, the transition portion of being connected with the transport portion and the discharge portion of being connected with the transition portion, and the discharge portion includes the discharge port, and the discharge port orientation is kept away from maize picker's the outside and the orientation setting of deviant ground.
Description
Technical Field
The utility model relates to the field of agricultural machinery, and particularly provides a corn harvester with a double-fan impurity removing system.
Background
When the corn harvester harvests corn, corn stalks, leaves and weeds easily enter a working mechanism of the harvester and a cluster collection box, so that the harvesting purity of corn clusters is low, and the working mechanism is blocked in severe cases to cause machine faults. At present, the wind-power impurity removing device of the corn harvester sold in the market is usually fixed below the ear lift conveyer, and the wind power generated by the impurity removing fan blows the airflow along the upward oblique direction of the ear lift conveyer through an air duct. After the corn ears are conveyed to the upper end of the elevator, the corn ears fall into the peeling machine, and impurities such as straw, crushed slag and the like are blown out obliquely upwards along with wind power and are discharged to one side of the harvester by virtue of a subsequent impurity discharging device. In the impurity removing process, when the impurities are excessive, blockage is easily caused, and the impurity removing efficiency is influenced; in addition, in the impurity removing process, some impurities can fall into the peeling machine along with the fruit cluster, so that the impurity in the fruit cluster collecting box is excessive, and the impurity removing effect is poor.
At present, an air-suction type wind-power impurity removing device is generally fixed on the side face of a fruit cluster elevator, impurities such as straw, crushed slag and the like are sucked into a chopping device by wind power generated by an impurity removing fan and then are discharged through a fan channel, however, various problems still exist in the structural design of the air-suction type impurity removing fan at present, the fan channel is easy to block, and the impurity removing efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a corn harvester with a double-fan impurity removing system, which has higher impurity removing efficiency; meanwhile, the design of an air-suction type impurity removing fan with a brand new structure is adopted, and the double-fan impurity removing system is matched with a structure for cleaning corn grains by adopting a vibrating screen, so that the cost is reduced, the transmission structure is simplified, the failure rate is low, the power consumption is reduced, and the impurity removing efficiency is improved.
The utility model provides a corn harvester with a double-fan impurity removing system, which is characterized by comprising the following components:
the corn ear picking platform is used for grabbing corn stalks and separating the corn stalks from corn ears;
the elevator forms a channel inside and conveys the corn ears conveyed by the ear picking platform to the upper part of the corn harvester;
a first shredding section disposed above the elevator and in communication with the passage of the elevator;
first row of miscellaneous fan portion, first row of miscellaneous fan portion is arranged in first cutting portion right side and with first cutting portion intercommunication sets up, first row of miscellaneous fan portion will corn stalk and bract after first cutting portion cuts up inhales and discharges, first row of miscellaneous fan portion includes first casing portion and first row miscellaneous fan.
Preferably, first casing portion is including being used for the installation the fan installation department of first row miscellaneous fan, the transport portion of being connected with the fan installation department, with the transition portion that the transport portion is connected and with the discharge portion that the transition portion is connected, the discharge portion includes the discharge port, the discharge port orientation is kept away from maize picker's the outside and the orientation setting of deviant ground.
Further, the fan installation department is the cylinder setting, the changeover portion circular arc section sets up, conveying portion, transition portion and discharge portion form the passageway jointly.
Preferably, the fan installation department comprises the first installation department that is located the top and the second installation department that is located the below, first installation department with conveying portion, transition portion and the integrative setting of discharge portion, first installation department and second installation department are provided with the limit of bending respectively, first mounting hole has been seted up on the limit of bending, first installation department and second installation department pass through the assembly is connected to first mounting hole.
Further, the first chopping portion comprises a first chopping knife and a first mounting shaft used for assembling the first chopping knife and the first impurity exhausting fan, and the first mounting shaft simultaneously drives the first chopping knife and the first impurity exhausting fan to rotate.
Preferably, the first chopping portion comprises a top plate and a connecting piece, wherein the top plate is assembled on the top of the first chopping portion, and two ends of the top plate are respectively installed on the first chopping portion through the connecting piece.
Preferably, the connecting member includes a hinge and a buckle, one end of the top plate is movably connected to the first chopping portion through the hinge, and the other end of the top plate is openably and closably mounted to the first chopping portion through the buckle.
Preferably, at least one support rod is further disposed inside the first chopping portion along the first mounting axis direction.
Preferably, first installation department is including fixing the mounting panel at bracing piece both ends, the second mounting hole has been seted up to the mounting panel, the bracing piece is installed through the mounting panel at both ends inside first shredding portion.
Preferably, the supporting bar is disposed between the top plate and the first chopping knife to support the first chopping portion and to block the larger bracts and stems from directly colliding against the top plate.
Further, the maize harvesting machine with double-fan impurity discharging system also comprises:
the peeling mechanism is used for peeling the corn ears conveyed by the elevator;
the vibrating screen is arranged below the peeling mechanism and is used for cleaning corn kernels falling from the peeling mechanism;
the second impurity removing fan part is arranged at the tail part of the vibrating screen and is used for blowing out stems and bracts falling off from the vibrating screen, so that corn kernels can be further cleaned;
seed grain recovery unit, seed grain recovery unit arranges in the shale shaker below is used for collecting the maize seed grain after the shale shaker is cleaned.
Further, the utility model also provides a corn harvester comprising the double-fan impurity discharging system.
The corn harvester with the double-fan impurity removing system provided by the utility model can bring at least one of the following beneficial effects:
through the air-suction type impurity-removing fan design with a brand new structure, the corn grain cleaning structure with the double-fan impurity-removing system and the vibrating screen is adopted, the cost is reduced, the transmission structure is simplified, the risk of blockage of the elevator is reduced, the fault rate is low, the power consumption is reduced, and the impurity-removing efficiency is improved.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of the overall structure of the present invention 1;
FIG. 2 is a schematic view of the overall structure of the present invention 2;
FIG. 3 is a schematic view of a first exhaust blower assembly;
FIG. 4 is a schematic structural diagram of a first exhaust blower;
FIG. 5 is a schematic view of the first cutting portion assembly;
FIG. 6 is a perspective view of the whole device;
FIG. 7 is a schematic view of the assembly of the shaker and peeling mechanism;
fig. 8 is a schematic structural diagram of a second impurity removal fan.
1-picking the spike; 2-a cab; 3-an elevator; 4-a first cutting portion; 5A-a first exhaust fan section; 6-a peeling mechanism; 7, vibrating a screen; 8-ear box; 9-double-fan impurity removal system; 10-a peeling frame; 11-kernel recovery; 12-a second trash extraction fan section; 13-baffle leather
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings of the specification.
Referring to fig. 1 to 8, the corn harvester of the present invention includes an ear picking platform 1, a cab 2 located above the rear end of the ear picking platform 1, an elevator 3, a peeling mechanism 6, a peeling frame 10, a first impurity discharging fan part 5A, a first cutting part 4, an ear box 8, a vibrating screen 7, a second impurity discharging fan part 12, and a kernel recovering part 11. When a corn harvester carries out harvesting operation, a snapping platform 1 positioned at the front end of the corn harvester grabs corn stalks and separates the corn stalks from corn ears; a channel is formed inside the elevator 3 positioned between the ear picking platform 1 and the peeling mechanism 6, and the corn ears conveyed by the ear picking platform 1 are further conveyed to the upper part of the corn harvester; the peeling mechanism 6 arranged on the peeling frame 10 peels the corn ears conveyed by the elevator 3, and the peeling mechanism 6 is positioned behind the elevator 3; the first impurity discharging fan part 5A is arranged at the right side of the first chopping part 4 and is communicated with the first chopping part 4, the first impurity discharging fan part 5A sucks and discharges corn stalks and bracts chopped by the first chopping part 4, and the first chopping part 4 is arranged above the elevator 3 and is communicated with the channel of the elevator 3; corn ears which are subjected to impurity removal through the peeling mechanism 6 and the first impurity removal fan part 5A enter the ear box 8, and the ear box 8 is positioned behind the peeling mechanism 6 and used for collecting the peeled corn ears; when the peeling mechanism 6 works, a part of corn kernels are inevitably bitten and peeled off from the corn ears, and the vibrating screen 7 is arranged below the peeling mechanism 6 and is used for cleaning the corn kernels falling off from the peeling mechanism 6; a second impurity discharging fan part 12 arranged at the tail part of the vibrating screen 7 blows out stems and bracts falling from the vibrating screen 7 to realize further cleaning of corn kernels, and the second impurity discharging fan part 12 comprises a second mounting shaft 121; the grain recovery part 11 arranged below the vibrating screen 7 collects the corn grains cleaned by the vibrating screen 7; the skin 13 is still installed in barking frame 10 the place ahead, keep off skin 13 including arranging left first fender skin 131 in, arranging the second fender skin (not mark) on right side in, arranging the third fender skin 133 of front side in and arranging the fourth fender skin 134 of rear side in, first fender skin 131, second fender skin, third fender skin 133 and fourth fender skin 134 form the trash removal passageway, the trash removal passageway is with debris guide landing to the field such as the bract of shale shaker 7 forward discharge, stem, simultaneously, the third keeps off skin 133 and can also stop debris such as bract, stem and be blown in the engine by second trash removal fan portion 12 forward. In the present embodiment, the baffle 13 includes a trash removal channel formed by four baffles, such as the first baffle 131, the second baffle, the third baffle 133 and the fourth baffle 134, and in other embodiments, the baffle 13 may also include a trash removal channel formed by at least one baffle to discharge trash such as bracts, stems and the like. In the present embodiment, when the right direction or the left direction of the front-back direction and the lateral width direction of the machine body is defined, the front, back, left, and right directions are defined in a state of being viewed along the machine body forward direction. In addition, in this embodiment, the first stopper 131, the second stopper, the third stopper 133 and the fourth stopper 134 are made of rubber, but in other embodiments, the stoppers may be made of other materials.
Since the specific structure, the mutual position relationship, the connection relationship and the functions of other components of the present invention are mature prior art, they will not be described herein, and only the structure of the first impurity exhausting fan portion 5A of the present invention will be described in detail below.
First row miscellaneous fan portion 5A includes first casing part 5 and first row miscellaneous fan (not mark), first casing part 5 is including being used for the installation fan installation department 51 of first row miscellaneous fan, the transport portion 52 of being connected with fan installation department 51, with transition portion 53 that transport portion 52 is connected and with the discharge portion 54 that transition portion 53 is connected, discharge portion includes discharge port 541, discharge port 541 orientation is kept away from maize picker's the outside and the orientation setting of deviant ground.
The first chopping portion 4 comprises a first chopping blade (not labeled), the first chopping portion 4 further comprises a first mounting shaft 43 for assembling the first chopping blade and a first impurity exhausting fan (not labeled), and the first mounting shaft 43 simultaneously drives the first chopping blade and the first impurity exhausting fan to rotate.
The first chopping portion 4 comprises a top plate 41 and a connecting piece 42, wherein the top plate 41 is assembled on the top of the first chopping portion 4, and two ends of the top plate 41 are respectively installed on the first chopping portion 4 through the connecting piece 42. The connecting member 42 includes a hinge 421 and a buckle 422, one end of the top plate 41 is movably connected to the first crushing portion 4 through the hinge 421, and the other end is openably and closably installed on the first crushing portion 4 through the buckle 42.
Referring to fig. 5, a support bar 44 is further provided inside the first cutting portion 4 along the direction of the first mounting shaft 43.
The first cutting portion 4 comprises mounting plates 441 fixed at two ends of the supporting rod 44, the mounting plates 441 are provided with second mounting holes 4412, and the supporting rod 44 is mounted inside the first cutting portion 4 through the mounting plates 441 at two ends. The support bar 44 is disposed between the top plate 41 and the first chopping knife to support the first chopping portion 4 and to block the larger bracts and stalks from directly colliding against the top plate 41. In the present embodiment, the number of the supporting rods is 1 and the supporting rods are disposed between the top plate 41 and the first chopping knife, and in other embodiments, the number of the supporting rods 44 may be more than 1 and may be disposed at any position along the direction of the first mounting shaft 43.
Referring to fig. 1, 2, 6 and 7, the corn harvester further includes a dual-fan trash removal transmission system 9 for driving the first trash removal fan portion 5A and the second trash removal fan portion 12 to rotate, and how the dual-fan trash removal transmission system 9 works when the corn harvester works in the embodiment will be described below. The corn harvester impurity-removing transmission system 9 comprises an engine (not labeled), an engine output belt pulley 901 for outputting power of the engine, a peeler belt pulley 902 connected with the engine output belt pulley 901 in a matching way for transmitting the power output by the engine output belt pulley 901 to the peeling mechanism 6, a peeler main shaft 910 connected with the peeler belt pulley 902 in a matching way and driven to rotate by the peeler belt pulley 902, an elevator driving sprocket 909 connected with the peeler main shaft 910 in a matching way and driven to rotate by the peeler main shaft 910, an elevator right sprocket 907 connected with the elevator driving sprocket 909 in a matching way and driven to rotate by the elevator driving sprocket 909, an elevator upper shaft 908 connected with the elevator right sprocket 907 in a matching way and driven to rotate by the elevator right sprocket 907, and an elevator left sprocket 908 connected with the elevator upper shaft 908 in a matching way and driven to rotate by the elevator upper shaft 908 912. A first trash-removing fan chain wheel 911 which is connected with the elevator left side chain wheel 912 in a matching way and driven by the elevator left side chain wheel 912 to rotate, a peeler driving chain wheel 906 which is connected with the peeler driving shaft 910 in a matching way and driven by the peeler driving shaft 910 to rotate, a peeler transition chain wheel 905 which is connected with the peeler driving chain wheel 906 in a matching way and driven by the peeler driving chain wheel 906 to rotate, with peeler transition sprocket 905 cooperation connection and quilt peeler transition sprocket 905 drive pivoted second fan sprocket 903, with second fan sprocket 903 cooperation connection and quilt second fan sprocket 903 drive pivoted second installation axle 121, with peeler transition sprocket 905 cooperation connection and quilt peeler transition sprocket 905 drive pivoted eccentric sprocket 904 and with eccentric sprocket 904 cooperation connection and quilt eccentric sprocket 904 drive pivoted eccentric sprocket shaft 913.
When the corn harvester works in the embodiment, the power output belt wheel 901 of the engine transmits power to the belt wheel 902 of the peeling machine through a belt; the debarker pulley 902 in turn drives the operation of the debarker drive shaft 910. Then, the double-fan impurity-removing transmission system 9 mainly divides into two paths to be respectively transmitted to the first impurity-removing fan part 5 and the second impurity-removing fan part 12. In the first path, the driving shaft 910 of the barker transmits power to the elevator driving sprocket 909, and the elevator driving sprocket 909 drives the elevator right-side sprocket 907 to operate; the right chain wheel 907 of the elevator drives the upper shaft 908 of the elevator to rotate; the elevator upper shaft 908 in turn transmits power to the elevator left sprocket 912; and then the left chain wheel 912 of the elevator drives the first trash exhausting fan chain wheel 911 to operate, the first trash exhausting fan chain wheel 911 drives the first installation shaft 43 to rotate, the first installation shaft 43 further drives the first trash exhausting fan part 5 to work, and the first trash exhausting fan part 5 sucks and exhausts the corn stalks and the bracts chopped by the first chopping part 4. On the other hand, the power is transmitted to the driving sprocket 906 of the barker through the driving shaft 910 of the barker; further, the peeler drive sprocket 906 drives the peeler transition sprocket 905 to operate; the transition chain wheel 905 of the peeling machine drives the eccentric chain wheel 904 to run, the eccentric chain wheel 904 further drives the eccentric chain wheel shaft 913, and the eccentric chain wheel shaft 913 further drives the vibrating screen 7 to reciprocate; meanwhile, the transition chain wheel 905 of the peeling machine drives the second fan chain wheel 903 to operate, the second fan chain wheel 903 drives the second mounting shaft 121 to rotate, and the second mounting shaft 121 further drives the second fan part 12 to work.
It should be noted that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the utility model, as will be apparent to those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A corn harvester, characterized in that it comprises:
the corn ear picking platform is used for grabbing corn stalks and separating the corn stalks from corn ears;
the elevator forms a channel inside and conveys the corn ears conveyed by the ear picking platform to the upper part of the corn harvester;
a first shredding section disposed above the elevator and in communication with the passage of the elevator;
the first impurity discharging fan part is arranged on the right side of the first cutting part and communicated with the first cutting part, the corn stalks and the bracts cut by the first cutting part are sucked and discharged by the first impurity discharging fan part, and the first impurity discharging fan part comprises a first shell part and a first impurity discharging fan;
first casing portion is including being used for the installation fan installation department of first trash removal fan, the transport portion of being connected with the fan installation department, with the transition portion that the transport portion is connected and with the discharge portion that the transition portion is connected, the discharge portion includes the discharge port, the discharge port orientation is kept away from maize picker's the outside and the orientation setting of deviant ground.
2. A corn harvester as in claim 1, further comprising:
the fan installation department is the cylinder setting, the transition portion is the arc section setting, transport portion, transition portion and discharge portion form the passageway jointly.
3. A corn harvester as in claim 1, further comprising:
the fan installation part comprises a first installation part and a second installation part, the first installation part is located above the fan installation part, the second installation part is located below the fan installation part, the first installation part is integrated with the conveying part, the transition part and the discharging part, the first installation part and the second installation part are respectively provided with a bending edge, a first installation hole is formed in the bending edge, and the first installation part and the second installation part are connected and assembled through the first installation hole.
4. A corn harvester as in claim 1, further comprising:
the first shredding portion comprises a first shredding knife and a first installation shaft used for assembling the first shredding knife and the first impurity exhausting fan, and the first installation shaft simultaneously drives the first shredding knife and the first impurity exhausting fan to rotate.
5. A corn harvester as in claim 4, further comprising:
the first chopping portion includes a top plate fitted on top of the first chopping portion and a connecting member for connecting the top plate and the first chopping portion.
6. A corn harvester as in claim 5, further comprising:
the connecting piece includes hinge and hasp, roof one end pass through hinge swing joint in first cutting portion, but the other end passes through hasp open and close installation first cutting portion.
7. A corn harvester as in claim 5, further comprising:
at least one supporting rod is further arranged inside the first cutting part along the direction of the first installation shaft.
8. A corn harvester as in claim 7, further comprising:
first cutting portion is still including fixing the mounting panel at bracing piece both ends, the second mounting hole has been seted up to the mounting panel, the bracing piece is installed through the mounting panel at both ends inside first cutting portion.
9. A corn harvester as in claim 7, further comprising:
the supporting rod is arranged between the top plate and the first chopping knife to support the first chopping portion.
10. A corn harvester as in claim 1, further comprising:
the peeling mechanism is used for peeling the corn ears conveyed by the elevator;
the vibrating screen is arranged below the peeling mechanism and is used for cleaning corn kernels falling from the peeling mechanism;
the second impurity removing fan part is arranged at the tail part of the vibrating screen and is used for blowing out stems and bracts falling off from the vibrating screen, so that corn kernels can be further cleaned;
seed grain recovery unit, seed grain recovery unit arranges in the shale shaker below is used for collecting the process the shale shaker reaches maize seed grain after miscellaneous fan portion of second row is cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314274.3U CN215301593U (en) | 2021-02-05 | 2021-02-05 | Corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314274.3U CN215301593U (en) | 2021-02-05 | 2021-02-05 | Corn harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215301593U true CN215301593U (en) | 2021-12-28 |
Family
ID=79580718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120314274.3U Active CN215301593U (en) | 2021-02-05 | 2021-02-05 | Corn harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215301593U (en) |
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2021
- 2021-02-05 CN CN202120314274.3U patent/CN215301593U/en active Active
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