CN221264485U - Harvester - Google Patents
Harvester Download PDFInfo
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- CN221264485U CN221264485U CN202322909468.XU CN202322909468U CN221264485U CN 221264485 U CN221264485 U CN 221264485U CN 202322909468 U CN202322909468 U CN 202322909468U CN 221264485 U CN221264485 U CN 221264485U
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- auger
- primary
- harvester
- top cover
- threshing cylinder
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Abstract
The utility model provides a harvester which comprises a header, a cab, a threshing cylinder, a concave plate sieve, a top cover, a vibrating screen, a primary auger, a secondary auger and an extension part. The header is used for cutting crops and conveying the crops backwards; the threshing cylinder is arranged at the left side of the cab and used for threshing the crops; the concave plate sieve is U-shaped and is arranged below the threshing cylinder; a diversion gap is formed between the top cover and the threshing cylinder, and a miscellaneous inlet part is arranged at the left side of the top cover; the vibrating screen is arranged below the concave plate screen; the discharging end of the primary auger is connected with the grain tank, and the grains after being cleaned by the vibrating screen are conveyed to the grain tank through the primary auger; the discharging end of the secondary auger is connected with the impurity inlet part, and the impurity after being cleaned by the vibrating screen is conveyed to the impurity inlet part through the secondary auger and enters the threshing cylinder again for cleaning; the extension part is arranged between the secondary auger discharge end and the impurity inlet part, one end of the extension part is communicated with the secondary auger discharge end, and the other end of the extension part is communicated with the impurity inlet part.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, and particularly provides a harvester with a threshing and cleaning system with a brand new structure.
Background
In the working process of the harvester, crop straws and seeds after being cut by the cutting table are integrally conveyed to a threshing and cleaning system, the threshing and cleaning process is completed by separating the seeds from the straws by the threshing and cleaning system, in the process, the discharging end of the secondary auger is connected with the threshing cylinder, and the impurities after being cleaned by the vibrating screen are conveyed to the inside of the threshing cylinder through the secondary auger, so that secondary cleaning is performed again, and a better cleaning effect is achieved.
In the prior art, the secondary auger has the problems of unsmooth throwing, inconvenient subsequent maintenance and the like in the process of throwing the surplus to the threshing cylinder. Accordingly, there is an urgent need to provide a harvester to solve the above problems.
Disclosure of utility model
The utility model aims to provide a harvester, which solves the problems of unsmooth throwing, inconvenient subsequent maintenance and the like in the process of throwing the impurity to a threshing cylinder by a secondary auger in the prior art by redesigning the structure of a threshing and cleaning part of the harvester, and is suitable for popularization and application on a crop harvester.
The utility model provides a harvester which comprises a header, a cab, a threshing cylinder, a concave plate sieve, a top cover, a vibrating screen, a primary auger, a secondary auger and an extension part. The header is used for cutting crops and conveying the crops backwards; the threshing cylinder is arranged at the left side of the cab and used for threshing the crops; the concave plate sieve is arranged below the threshing cylinder in a U shape, and forms a threshing gap with the threshing cylinder to cooperate with the threshing cylinder to complete the threshing process; the top cover is U-shaped and covered above the threshing cylinder, a diversion gap is formed between the top cover and the threshing cylinder, and a miscellaneous inlet part is arranged on the left side of the top cover; the vibrating screen is arranged below the concave plate screen; the primary auger comprises a primary auger discharge end connected with the grain tank, and the seeds after being cleaned by the vibrating screen are conveyed to the grain tank through the primary auger; the secondary auger comprises a secondary auger discharge end connected with the impurity inlet part, and the impurity after being cleaned by the vibrating screen is conveyed to the impurity inlet part through the secondary auger and then enters the threshing cylinder again for secondary cleaning; the extension portion is arranged between the secondary auger discharge end and the impurity inlet portion, one end of the extension portion is communicated with the secondary auger discharge end, the other end of the extension portion is communicated with the impurity inlet portion, and impurities enter the impurity inlet portion through the extension portion.
Further, one end of the extension portion, which is connected with the discharge end of the secondary screw feeder, is detachably connected through a bolt, and one end of the extension portion, which is connected with the impurity inlet portion, is inserted into the impurity inlet portion.
Further, the extension part comprises a main board arranged at an included angle and side boards arranged at two sides of the main board and connected with the main board.
Further, the top cover comprises a top cover reinforcing plate arranged below the left side of the top cover and arranged along the side edge of the top cover, and the top cover reinforcing plate is arranged below the extending part and the impurity inlet part and jointly forms a feeding channel with the extending part and the impurity inlet part.
Further, the primary auger comprises a primary horizontal auger and a primary vertical auger communicated with the primary horizontal auger; the secondary auger comprises a secondary horizontal auger and a secondary vertical auger communicated with the secondary horizontal auger.
Further, the diameter and the screw pitch of the blades of the primary horizontal screw conveyor are equal to those of the blades of the secondary horizontal screw conveyor; the diameter and the screw pitch of the blades of the primary vertical screw conveyor are equal to those of the blades of the secondary vertical screw conveyor.
Further, the secondary auger further comprises a secondary auger transmission box arranged at the joint of the secondary horizontal auger and the secondary vertical auger and a secondary auger gear set arranged in the secondary auger transmission box.
Further, the secondary auger gear set comprises a secondary horizontal auger output sprocket, a secondary vertical auger input sprocket and a tensioning sprocket which are directly connected with the secondary horizontal auger output sprocket through a chain, a secondary vertical auger input bevel gear coaxially arranged with the secondary vertical auger input sprocket, and a secondary vertical auger output bevel gear meshed with the secondary vertical auger input bevel gear;
The secondary auger further comprises a secondary auger main body, and the secondary vertical auger output bevel gear drives the secondary auger main body to rotate.
Further, the secondary auger transmission case is provided with a first overhaul port capable of opening and closing, and the secondary vertical auger is provided with a second overhaul port capable of opening and closing.
Further, the primary auger is arranged vertically, and the secondary auger is arranged obliquely.
The harvester provided by the utility model has at least one of the following beneficial effects:
According to the scheme, through redesigning the structure of the threshing and cleaning part of the harvester, the problem that throwing is not smooth in the process of throwing the impurity to the threshing cylinder by the secondary auger in the prior art can be solved, and meanwhile, in the subsequent maintenance process, the top cover does not need to be detached, so that the maintenance process is greatly simplified.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
Fig. 1 is a right side view of the harvester of the present utility model;
Fig. 2 is a left side view of the harvester of the utility model;
FIG. 3 is a partial perspective view of the harvester of the present utility model;
FIG. 4 is a partial perspective view of a second embodiment of the harvester of the present utility model;
FIG. 5 is a perspective view of the primary and secondary augers of the present utility model;
FIG. 6 is a perspective view of the secondary auger of the present utility model;
FIG. 7 is a front view of the secondary auger of the present utility model;
FIG. 8 is a partial cross-sectional view of the secondary auger of the present utility model;
fig. 9 is a perspective view of the top cover of the present utility model.
The novel mechanical threshing machine comprises a header 1, a cab 2, a grain tank 3, a threshing cylinder 4, a concave plate sieve 5, a top cover 6, a top cover 61, a surplus inlet part 62, a top cover reinforcing plate 7, a vibrating sieve 8, a fan 9, a grass breaking part 10, a primary auger 101, a primary auger feeding end 102, a primary auger discharging end 103, a primary auger 104, a primary vertical auger 20, a secondary auger feeding end 201, a secondary auger discharging end 202, a secondary horizontal auger 203, a secondary vertical auger 204, a secondary auger housing 2041, a secondary auger main body 2042, a secondary overhaul port 205, a secondary auger transmission case 2051, a first overhaul port 2061, a secondary horizontal auger output sprocket 2062, a secondary vertical auger input sprocket 2063, a tensioning sprocket 2064, a secondary vertical auger input bevel gear 2065, a secondary vertical bevel gear 30, a main plate 302 and a side plate 303.
Detailed Description
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
Embodiments of the utility model are further elaborated below in connection with the drawings of the specification.
Referring to fig. 1 to 4, the present embodiment discloses a harvester comprising a header 1, a cab 2, a grain tank 3, a threshing cylinder 4, a concave screen 5, a top cover 6, a vibrating screen 7, a fan 8 and a grass breaker 9. The header 1 is used for cutting crops and conveying the crops backwards by taking the advancing direction of the harvester as the front. The cab 2 is positioned at the rear of the header 1, the grain tank 3 is positioned at the rear of the cab 2, and the threshing cylinder 4 is arranged at the right side of the cab 2 for threshing the crops.
The concave plate screen 5 is U-shaped and arranged below the threshing cylinder 4, and forms a threshing gap with the threshing cylinder 4 to cooperate with the threshing cylinder 4 to complete the threshing process. The top cover 6 is U-shaped and covered above the threshing cylinder 4, a diversion gap is formed between the top cover and the threshing cylinder 4, and a miscellaneous inlet part 61 is arranged on the left side of the top cover 6. The vibrating screen 7 is arranged below the concave screen 5, the fan 8 is arranged below the front end of the vibrating screen 7, and the fan 8 is matched with the vibrating screen 7 to realize the cleaning function of seeds. The grass breaking part 9 is arranged below the rear end of the threshing cylinder 4 and is used for cutting up the threshed straws.
Referring to fig. 3, 5 and 6, the harvester of the present embodiment further includes a primary auger 10 and a secondary auger 20, the primary auger 10 being vertically disposed and the secondary auger 20 being obliquely disposed. The primary auger 10 comprises a primary auger feeding end 101 communicated with the lower part of the middle part of the vibrating screen 7 and a primary auger discharging end 102 connected with the grain tank 3. The seeds after being cleaned by the vibrating screen 7 are conveyed to the grain tank 3 through a primary auger 10. The secondary auger 20 comprises a secondary auger feeding end 201 which is communicated with the lower part of the tail part of the vibrating screen 7, and a secondary auger discharging end 202 which is communicated with the impurity inlet part 61, and the impurity after being cleaned by the vibrating screen 7 is conveyed to the impurity inlet part 61 through the secondary auger 20 and then enters the threshing cylinder 4 again for secondary cleaning.
An extension 30 is provided between the secondary auger discharge end 202 and the impurity inlet 61. One end of the extension part 30 is communicated with the discharge end 202 of the secondary auger, the other end is communicated with the impurity inlet part 61, and the impurity passes through the extension part 30 and enters the top cover 6. One end of the extension 30 connected with the secondary auger discharge end 201 is detachably connected by a bolt, and one end of the extension 30 connected with the impurity inlet portion 61 is inserted into the impurity inlet portion 61.
The extension portion 30 includes a main board 301 disposed at an angle, and side boards 302 disposed at both sides of the main board 301 and connected to the main board 301. The bottom end of the side plate 302 is provided with a bottom plate 303, and the two side plates 302 are connected through the bottom plate 303. Together, the main plate 301, the side plates 302 and the bottom plate 303 define a channel of the extension 30 through which the impurities pass.
Referring to fig. 9, the top cover 6 includes a top cover reinforcing plate 62 disposed below the left side of the top cover 6 and along the side of the top cover 6. The top cover reinforcing plate 62 is disposed below the extension portion 30 and the surplus inlet portion 61 to form a feed passage together with the extension portion 30 and the surplus inlet portion 61.
Referring to fig. 5, the primary auger 10 includes a primary horizontal auger 103 and a primary vertical auger 104 communicating with the primary horizontal auger 103; the secondary auger 20 includes a secondary horizontal auger 203 and a secondary vertical auger 204 in communication with the secondary horizontal auger 203. Both the primary horizontal auger 103 and the secondary horizontal auger 203 are disposed below the vibrating screen 7. The diameter and the screw pitch of the blades of the primary horizontal screw feeder 103 are equal to those of the blades of the secondary horizontal screw feeder 203; the diameter and pitch of the blades of the primary vertical auger 104 are equal to those of the blades of the secondary vertical auger 204.
Referring to fig. 7, the secondary auger 20 further includes a secondary auger gear box 205 disposed at a junction of the secondary horizontal auger 203 and the secondary vertical auger 204, and a secondary auger gear set disposed in the secondary auger gear box 205. The secondary vertical auger 204 includes a secondary auger housing 2041, and a secondary auger body 2042 located within the secondary auger housing 2041. The secondary auger transmission case 205 is provided with a first openable and closable access port 2051, and the secondary auger housing 2041 is provided with a second openable and closable access port 2043.
Referring to fig. 6 and 8, the secondary auger gear set includes a secondary horizontal auger output sprocket 2061, a secondary vertical auger input sprocket 2062 and a tension sprocket 2063 directly connected to the secondary horizontal auger output sprocket 2061 by a chain, a secondary vertical auger input bevel gear 2064 coaxially provided with the secondary vertical auger input sprocket 2062, and a secondary vertical auger output bevel gear 2065 engaged with the secondary vertical auger input bevel gear 2064. The secondary vertical auger output bevel gear 2065 drives rotation of the secondary auger body 2042.
In operation, rotation of the secondary horizontal auger 203 transports the remaining material through the auger blade to the secondary auger feed end 201. The power is transmitted to the secondary auger body 2042 through the secondary horizontal auger output sprocket 2061, the chain, the secondary vertical auger input sprocket 2062, the secondary vertical auger input bevel 2064, and the secondary vertical auger output bevel gear 2065, and drives it to rotate. The impurity is stirred by the auger blade and transported to the extension part 30 connected with the secondary vertical auger 204, and finally enters a threshing and cleaning room for secondary threshing and cleaning.
It should be noted that various modifications and variations can be made to the above-described exemplary embodiments of the present utility model by those skilled in the art without departing from the spirit and scope of the present utility model. Therefore, it is intended that the present utility model cover the modifications and variations of this utility model provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A harvester having a forward direction of travel as a forward direction, comprising:
The cutting table is used for cutting crops and conveying the crops backwards;
a cab;
the threshing cylinder is arranged at the left side of the cab and used for threshing the crops;
The concave plate sieve is U-shaped, is arranged below the threshing cylinder and forms a threshing gap with the threshing cylinder to cooperate with the threshing cylinder to complete the threshing process;
The top cover is U-shaped and covered above the threshing cylinder, a diversion gap is formed between the top cover and the threshing cylinder, and a miscellaneous inlet part is arranged on the left side of the top cover;
the vibrating screen is arranged below the concave plate screen;
The primary auger comprises a primary auger discharge end connected with the grain tank, and the grains after being cleaned by the vibrating screen are conveyed to the grain tank through the primary auger;
The secondary auger comprises a secondary auger discharge end communicated with the impurity inlet part, and the impurity after being cleaned by the vibrating screen is conveyed to the impurity inlet part through the secondary auger and then enters the threshing cylinder again for secondary cleaning;
the extension part is arranged between the secondary auger discharge end and the impurity inlet part, one end of the extension part is communicated with the secondary auger discharge end, the other end of the extension part is communicated with the impurity inlet part, and impurities enter the impurity inlet part through the extension part.
2. The harvester of claim 1, wherein:
The extension part is detachably connected with one end connected with the discharge end of the secondary screw feeder through a bolt, and one end connected with the impurity inlet part of the extension part is inserted into the impurity inlet part.
3. The harvester of claim 2, wherein:
The extension part comprises a main board which is arranged at an included angle, and side boards which are arranged on two sides of the main board and are connected with the main board.
4. A harvester as in claim 3 wherein:
The top cover comprises a top cover reinforcing plate which is arranged below the left side of the top cover and arranged along the side edge of the top cover, and the top cover reinforcing plate is arranged below the extending part and the miscellaneous inlet part and jointly forms a feeding channel with the extending part and the miscellaneous inlet part.
5. The harvester of claim 4, wherein:
The primary auger comprises a primary horizontal auger and a primary vertical auger communicated with the primary horizontal auger; the secondary auger comprises a secondary horizontal auger and a secondary vertical auger communicated with the secondary horizontal auger.
6. The harvester of claim 5, wherein:
The diameter and the screw pitch of the blades of the primary horizontal screw conveyor are equal to those of the blades of the secondary horizontal screw conveyor; the diameter and the screw pitch of the blades of the primary vertical screw conveyor are equal to those of the blades of the secondary vertical screw conveyor.
7. The harvester of claim 6, wherein:
The secondary auger further comprises a secondary auger transmission box arranged at the joint of the secondary horizontal auger and the secondary vertical auger and a secondary auger gear set arranged in the secondary auger transmission box.
8. The harvester of claim 7, wherein:
The secondary auger gear set comprises a secondary horizontal auger output sprocket, a secondary vertical auger input sprocket and a tensioning sprocket which are directly connected with the secondary horizontal auger output sprocket through a chain, a secondary vertical auger input bevel gear which is coaxially arranged with the secondary vertical auger input sprocket, and a secondary vertical auger output bevel gear which is meshed with the secondary vertical auger input bevel gear;
The secondary auger further comprises a secondary auger main body, and the secondary vertical auger output bevel gear drives the secondary auger main body to rotate.
9. The harvester of claim 8, wherein:
The secondary auger transmission case is provided with a first access hole capable of opening and closing, and the secondary vertical auger is provided with a second access hole capable of opening and closing.
10. The harvester of claim 9, wherein:
the primary screw conveyor is vertically arranged, and the secondary screw conveyor is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322909468.XU CN221264485U (en) | 2023-10-27 | 2023-10-27 | Harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322909468.XU CN221264485U (en) | 2023-10-27 | 2023-10-27 | Harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221264485U true CN221264485U (en) | 2024-07-05 |
Family
ID=91697028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322909468.XU Active CN221264485U (en) | 2023-10-27 | 2023-10-27 | Harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221264485U (en) |
-
2023
- 2023-10-27 CN CN202322909468.XU patent/CN221264485U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |