CN211020098U - Large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of combine harvester - Google Patents
Large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of combine harvester Download PDFInfo
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- CN211020098U CN211020098U CN201921574114.1U CN201921574114U CN211020098U CN 211020098 U CN211020098 U CN 211020098U CN 201921574114 U CN201921574114 U CN 201921574114U CN 211020098 U CN211020098 U CN 211020098U
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- 238000000926 separation method Methods 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 23
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 abstract description 11
- 235000007319 Avena orientalis Nutrition 0.000 abstract description 4
- 235000007558 Avena sp Nutrition 0.000 abstract description 4
- 240000007594 Oryza sativa Species 0.000 abstract description 4
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 4
- 241000209140 Triticum Species 0.000 abstract description 4
- 235000021307 Triticum Nutrition 0.000 abstract description 4
- 240000008042 Zea mays Species 0.000 abstract description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 4
- 235000009566 rice Nutrition 0.000 abstract description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 abstract description 3
- 235000009973 maize Nutrition 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 5
- 239000010902 straw Substances 0.000 description 4
- 241000209763 Avena sativa Species 0.000 description 1
- 241001124569 Lycaenidae Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
Combine harvester major diameter spiral back taper reducing is indulged axial compressor threshing cylinder, includes: feeding a helical blade, a roller body welding piece, a corrugated rod block, rod teeth, a separating plate and a small separating plate; feeding helical blade rigid coupling becomes the cylinder on the cylinder body seam front end cone to divide into four sections with the cylinder, the helical blade section is the feeding section, the cylinder body seam is a whole, divide into preceding threshing section, back separation section, separation row grass section in proper order, line pole piece axial is the heliciform and arranges, radially be the equipartition range mode assembly in cylinder body seam front threshing section, the pole tooth assembles in cylinder body seam back separation section with the separator plate looks, little separator plate spiral is arranged and is assembled in cylinder body seam separation row grass section. The utility model discloses compact structure, multiple functional, easy dismounting, safe and reliable can satisfy multiple crop high efficiency results threshing needs such as wheat, maize seed grain, rice, oat and coarse cereals, has solved large and medium-sized combine's the problem of threshing effectively.
Description
Technical Field
The utility model belongs to the field of agricultural machinery, a combine threshing and separating device is related to, especially, relate to a combine major diameter spiral back taper reducing axial compressor threshing cylinder.
Background
As the agricultural planting mode in multiple regions of China develops towards large-scale planting area and diversified planting types, a combine harvester with high operating efficiency and multiple harvests in one machine is urgently needed. However, most of the existing combine harvesters can realize multi-harvest by one machine only by replacing a special threshing cylinder, and although a few threshing cylinders are used in the prior art, the diameter of a longitudinal axial flow cylinder of the existing domestic combine harvester is relatively small, the structure function is single, the adaptability to various crops is poor, and the entrainment loss is large. Has great demand for threshing cylinders with high efficiency, multiple harvests and small entrainment loss.
The patent of the national intellectual property office 2016, 03, 02, granted by the patent of the utility model: "longitudinal axial flow drum", filing date: 2015.09.22, patent number: 201520738056.7, the notice number is: CN 205052230U; the utility model discloses a longitudinal axial flow roller, which is close to the content of the application, and comprises a roller body, a roller front shaft, a power input shaft, a roller front bracket and a roller rear bracket, wherein the roller body comprises a feeding part and a roller body part, an anti-winding element is arranged between the roller front bracket and the feeding part, one end of a disc is fixedly arranged on the roller front bracket, and the other end of the disc is provided with an opening; the disc passes through the mounting hole of the front cover of the roller and is fixed on the front cover of the roller to form a front cover sealing cover; a roller front protrusion fixed on the front end surface of the feeding part and positioned in the open port. The longitudinal axial flow roller can also be used for threshing crops, and the threshing principle is to use the traditional rasp bars to rigidly rub and strike the crops to complete the threshing. However, the whole roller has the same diameter, so that the working gaps of the threshing section, the separating section and the grass discharging section are the same, the function that the working gaps required from the separating section to the grass discharging section are gradually reduced is difficult to exert, and the poor effects of low working efficiency, large entrainment and the like can occur; the front end of the feeding helical blade has small diameter and the rear end has large diameter, so that the grabbing and feeding functions of low-stalk crops cannot be better realized.
These known techniques, each having its characteristics and advantages, solve the respective technical problems of the prior art in terms of their respective longitudinal axial flow rollers, with some positive and advantageous results. But the problems of high efficiency and harvesting of various crops which cannot be solved exist in the actual use process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a major diameter spiral back taper reducing is indulged axial compressor threshing cylinder device for combine mainly solves big-and-middle-sized combine's the problem of threshing, can satisfy, multiple crop high efficiency results threshing needs such as wheat, maize seed grain, rice, oat and coarse cereals.
The utility model discloses a following technical scheme realizes above-mentioned purpose: combine harvester major diameter spiral back taper reducing is indulged axial compressor threshing cylinder, includes: feeding a helical blade, a roller body welding piece, a corrugated rod block, rod teeth, a separating plate and a small separating plate; the feeding helical blade is fixedly connected to a cone at the front end of the roller body welding piece to form a roller, the roller is divided into four sections, the helical blade section is a feeding section a, the roller body welding piece is a whole and is sequentially divided into a front threshing section b, a rear separating section c and a separating and grass discharging section d, the threaded rod blocks are axially arranged in a helical shape and radially assembled in the front threshing section b of the roller body welding piece in an evenly distributed arrangement mode, the rod teeth and the separating plates are assembled in the rear separating section c of the roller body welding piece in an interval mode, and the small separating plates are spirally arranged and assembled in the separating and grass discharging section d of the roller body welding piece.
The feeding helical blade is of an inverted cone structure, and relative to the operation direction of the threshing cylinder, the blade at the front end part of the feeding helical blade is higher than the blade at the rear end part of the feeding helical blade.
The rod teeth are axially and uniformly assembled on the roller body welding part in rows, and the height of the front rod teeth assembled in rows is lower than that of the rear rod teeth.
The separating plate is assembled on a roller body welding piece with a long hole, and the height of the front separating plate is lower than that of the rear separating plate.
The row of rod teeth and the separating plate are radially and uniformly distributed and symmetrically assembled on the roller body welding piece, and the diameters of the rollers at the same radial position are the same.
The diameter of the outer end of the threshing cylinder of the rear separation section c is small in the front and large in the rear, and a separation plate with a separation function and a rod tooth with a threshing function exist at the same time.
The utility model adopts the above technical scheme can reach following positive effect after: the utility model discloses compact structure, multiple functional, easy dismounting, safe and reliable can satisfy multiple crop high efficiency results threshing needs such as wheat, maize seed grain, rice, oat and coarse cereals, has solved large and medium-sized combine's the problem of threshing effectively.
Drawings
FIG. 1 is a schematic structural view of a large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of the combine of the utility model;
FIG. 2 is a left side view of the structure of FIG. 1;
FIG. 3 is a schematic view of the sectional structure of the large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of the combine harvester.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Combine harvester major diameter spiral back taper reducing is indulged axial compressor threshing cylinder, includes: feeding a helical blade 1, a roller body welding piece 2, a threaded rod block 3, a rod tooth 4, a separating plate 5 and a small separating plate 6; feeding helical blade 1 rigid coupling becomes the cylinder on the cone of the 2 front end portions of cylinder body seam piece to divide into the four sections with the cylinder, helical blade 1 section is feeding section a, cylinder body seam piece 2 is a whole, divide into preceding threshing section b in proper order, back separation section c, separation row grass section d, rasp bar piece 3 axial is the heliciform and arranges, radially be equipartition arrangement mode and assemble in 2 preceding threshing section b of cylinder body seam piece, pole tooth 4 and 5 alternate assemblies in 2 back separation section c of cylinder body seam piece of separation board, 6 spiral arrangements of little separation board assemble in 2 separation row grass section d of cylinder body seam piece.
The feeding helical blade 1 is of an inverted cone structure, and compared with the operation direction of the threshing cylinder, the feeding helical blade has the advantages that the blade at the front end is high, the blade at the rear end is low, and low-stalk crops can be well grabbed. The rod teeth 4 are axially and uniformly assembled on the roller body welding part 2 in a row, and the rod teeth 4 assembled in a row are arranged in a mode that the front part is low and the rear part is high. The separation plate 5 is assembled on the roller body welding piece 2 with the long hole, and is assembled in a mode of being low in front and high in back. The row of rod teeth 4 and the separating plate 5 are radially and uniformly distributed and symmetrically assembled on the roller body welding part 2, and the diameters of the rollers at the same radial position are the same. The diameter of the outer end of the threshing cylinder of the rear separation section c is small in the front and large in the rear, and a separation plate 5 with a separation function and a rod tooth 4 with a threshing function exist at the same time. As a further improvement, the bar teeth may be arcuate teeth or straight teeth. The small separation plate 6 is assembled on the plate tooth seat on the roller body welding joint 2, and the small separation plates 6 with different heights can be assembled according to different crops. The diameter of the roller can be changed into different rod teeth and the radial assembly position of the adjusting separation plate according to the crop state, and the diameter change range is 50mm, so that different threshing gaps are realized, and the roller is suitable for harvesting different crops.
The utility model discloses a theory of operation: a roller body welding piece 2 is taken as a main body, a feeding helical blade 1 is welded at the front end of the roller body welding piece 2, and a threshing part is assembled on the roller body welding piece 2. Fed crops enter a front threshing section b of the roller through a feeding spiral blade 1, a grain rod block 3 is arranged at the front end part of a welding part 2 of the roller body and used for rubbing and beating the crops to perform primary threshing, then the crops enter a rear separation section c, rod teeth 4 are used for combing and impacting the crops to thresh and separate the crops, meanwhile, a separation plate 5 is used for conveying and separating the straws and grains, finally, the straws enter a separation grass discharging section d, and a small separation plate 6 is used for further separating the straws and the grains and guiding the straws to discharge.
Because the large-diameter threshing cylinder is adopted, the feeding amount is increased, the contact time of the rasp bar blocks 3 and the bar teeth 4 with crops is mainly increased, and the threshing and separating capacity of the cylinder is improved; the rear separation section c of the roller has an adjustment amount of 50mm, so that the threshing and separating functions are improved, and the rear separation section c plays a good role in improving the operation efficiency and reducing the entrainment loss rate of grains; can meet the threshing operation of various crops such as wheat, corn, rice, oat, coarse cereals and the like.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will recognize that changes may be made in the form and details of the embodiments described herein without departing from the spirit and scope of the invention. All changes, modifications, equivalents and the like which come within the spirit of the invention are intended to be embraced therein.
Claims (6)
1. Combine harvester major diameter spiral back taper reducing is indulged axial compressor threshing cylinder, includes: a feeding helical blade (1), a roller body welding piece (2), a threaded rod block (3), a rod tooth (4), a separating plate (5) and a small separating plate (6); the method is characterized in that: feeding helical blade (1) rigid coupling becomes the cylinder on cylinder body seam piece (2) front end portion cone, and divide into the four sections with the cylinder, helical blade (1) section is feeding section a, cylinder body seam piece (2) is a whole, divide into preceding threshing section b in proper order, back separation section c, separation row grass section d, line pole piece (3) axial is the heliciform and arranges, radially be equipartition range mode assembly in cylinder body seam piece (2) preceding threshing section b, pole tooth (4) and separator plate (5) alternate assembly in cylinder body seam piece (2) back separation section c, little separator plate (6) spiral is arranged and is assembled in cylinder body seam piece (2) separation row grass section d.
2. The combine harvester large-diameter spiral inverted cone diameter-variable longitudinal axial flow threshing cylinder as claimed in claim 1, wherein: the feeding helical blade (1) is of an inverted cone structure, and relative to the operation direction of the threshing cylinder, the blade at the front end part is higher than the blade at the rear end part.
3. The combine harvester large-diameter spiral inverted cone diameter-variable longitudinal axial flow threshing cylinder as claimed in claim 1, wherein: the rod teeth (4) are axially and uniformly assembled on the roller body welding piece (2) in a row, and the height of the front rod teeth (4) assembled in a row is lower than that of the rear rod teeth (4).
4. The combine harvester large-diameter spiral inverted cone diameter-variable longitudinal axial flow threshing cylinder as claimed in claim 1, wherein: the separating plate (5) is assembled on the roller body welding piece (2) with the long hole, and the height of the front separating plate (5) is lower than that of the rear separating plate (5).
5. The combine harvester large-diameter spiral inverted cone diameter-variable longitudinal axial flow threshing cylinder as claimed in claim 1, wherein: the row of rod teeth (4) and the separating plate (5) are radially, uniformly and symmetrically assembled on the roller body welding piece (2), and the diameters of the rollers at the same radial position are the same.
6. The combine harvester large-diameter spiral inverted cone diameter-variable longitudinal axial flow threshing cylinder as claimed in claim 1, wherein: the diameter of the outer end of the threshing cylinder of the rear separation section c is small in the front and large in the rear, and a separation plate (5) with a separation function and a rod tooth (4) with a threshing function exist at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921574114.1U CN211020098U (en) | 2019-09-21 | 2019-09-21 | Large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921574114.1U CN211020098U (en) | 2019-09-21 | 2019-09-21 | Large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of combine harvester |
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| Publication Number | Publication Date |
|---|---|
| CN211020098U true CN211020098U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921574114.1U Expired - Fee Related CN211020098U (en) | 2019-09-21 | 2019-09-21 | Large-diameter spiral inverted cone reducing longitudinal axial flow threshing cylinder of combine harvester |
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| CN (1) | CN211020098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455201A (en) * | 2021-08-02 | 2021-10-01 | 东北农业大学 | Axial flow feeding rigid threshing and flexible separation combined roller assembly |
-
2019
- 2019-09-21 CN CN201921574114.1U patent/CN211020098U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455201A (en) * | 2021-08-02 | 2021-10-01 | 东北农业大学 | Axial flow feeding rigid threshing and flexible separation combined roller assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |