CN111328556A - Grass winding prevention device for upper shaft of conveying trough of combine harvester - Google Patents
Grass winding prevention device for upper shaft of conveying trough of combine harvester Download PDFInfo
- Publication number
- CN111328556A CN111328556A CN202010337169.1A CN202010337169A CN111328556A CN 111328556 A CN111328556 A CN 111328556A CN 202010337169 A CN202010337169 A CN 202010337169A CN 111328556 A CN111328556 A CN 111328556A
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- Prior art keywords
- counter bore
- winding
- combine harvester
- winding prevention
- cylinder
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D61/00—Elevators or conveyors for binders or combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/18—Safety devices for parts of the machines
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
Abstract
The invention discloses an upper shaft grass winding prevention device for a conveying trough of a combine harvester, which comprises an anti-winding barrel arranged on an upper shaft of the conveying trough of the combine harvester, wherein the anti-winding barrel consists of two semicircular barrels, the anti-winding barrel is provided with a left upper counter bore, a left lower counter bore, a right upper counter bore and a right lower counter bore, a left connecting piece penetrates through the left upper counter bore and the left lower counter bore, and a right connecting piece penetrates through the right upper counter bore and the right lower counter bore; and a fixed pressing plate is arranged between the upper left counter bore and the left counter bore, the fixed pressing plate is horizontally arranged and extends out of the anti-winding cylinder, and the outer end of the fixed pressing plate is connected with a fixed beam in the conveying groove through a fixed connecting piece. In the invention, the original exposed connecting bolt is changed into a sunk type connecting bolt, the outer circular surface is smooth and has no bulge, and the stalks slide on the smooth circular surface without resistance and are not easy to wind; the anti-winding cylinder is fixed through the fixed pressing plate and is prevented from rotating.
Description
Technical Field
The invention particularly relates to an upper shaft grass winding prevention device for a conveying trough of a combine harvester.
Background
As shown in fig. 1-3, when a lodging crop is harvested (stem is wet, soft, straw returning and other factors) in an upper shaft anti-straw-winding device (including a longitudinal axial flow and a transverse axial flow combine harvester) of a conventional harvester conveying device, an original anti-straw-winding cylinder 3-1 of an upper shaft is easily wound, and a chain and an upper shaft are easily broken after the winding is stopped, so that the working efficiency is reduced; in the process of rotating the upper shaft, the stalks brought back by the scraper 2 are easily driven to rotate by the upper shaft rotating cylinder 3, so that the original anti-winding cylinder 3-1 of the upper shaft is wound to be dead and then the shaft is broken.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides an upper shaft grass winding prevention device for a conveying trough of a combine harvester, which comprises an anti-winding barrel arranged on an upper shaft of the conveying trough of the combine harvester, wherein the anti-winding barrel consists of two semicircular barrels, the anti-winding barrel is provided with a left upper counter bore, a left lower counter bore, a right upper counter bore and a right lower counter bore, a left connecting piece penetrates through the left upper counter bore and the left lower counter bore, and a right connecting piece penetrates through the right upper counter bore and the right lower counter bore; and a fixed pressing plate is arranged between the upper left counter bore and the left counter bore, the fixed pressing plate is horizontally arranged and extends out of the anti-winding cylinder, and the outer end of the fixed pressing plate is connected with a fixed beam in the conveying groove through a fixed connecting piece.
Further, left side connecting piece and right connecting piece all including the anti-winding cylinder connecting bolt, first gasket and the anti-winding cylinder coupling nut that set gradually.
Furthermore, the anti-winding cylinder connecting bolts are installed along the clockwise direction.
Furthermore, the anti-winding cylinder connecting bolt is an inner hexagon bolt.
Furthermore, the fixed connecting piece comprises a fixed bolt, an elastic pad, a second gasket and a fixed nut which are arranged in sequence.
Furthermore, the fixing bolt is an outer hexagon bolt.
Furthermore, the radial two ends of the semicircular cylinder body are respectively provided with a buckle and a sinking groove.
Furthermore, the two semicircular cylinders are symmetrically spliced in the center, and the buckle and the sinking groove are matched with each other.
The working principle is as follows: the conveying scraper blade 1 is responsible for conveying harvested crops to enter the threshing cylinder, stalks brought back by the conveying scraper blade 1 after entering the cylinder can easily fall onto the anti-winding cylinder, and the scraper blade 2 arranged outside the lower part of the conveying scraper blade 1 is equivalent to a cleaning scraper blade and takes away the stalks falling onto the anti-winding cylinder, so that the anti-winding effect is achieved.
Has the advantages that: in the invention, the original exposed connecting bolt is changed into a sunk type connecting bolt, the outer circular surface is smooth and has no bulge, and the stalks slide on the smooth circular surface without resistance and are not easy to wind; the anti-winding cylinder is fixed through the fixed pressing plate to prevent rotation; a cleaning and conveying device is arranged below the conveying teeth to take away the stalks accumulated on the upper shaft, so that the stalks are prevented from being wound; the invention also has the characteristics of simple structure, convenient installation and the like.
Drawings
FIG. 1 is a schematic diagram of the position relationship between an anti-wind cylinder and a combine harvester in the prior art;
FIG. 2 is a schematic diagram showing the positional relationship between an anti-wind cylinder and a delivery chute in the prior art;
FIG. 3 is a cross-sectional view of the cross-section A-A of FIG. 2 of the prior art;
FIG. 4 is a plan view showing the installation state of an axis grass winding prevention device on a conveying chute of a combine harvester;
FIG. 5 is a schematic cross-sectional view of section B-B of FIG. 4;
FIG. 6 is an enlarged partial view of the anti-wind cylinder of FIG. 4;
in the figure: 3-1 parts of an original anti-winding cylinder, 1 part of a conveying scraper, 2 parts of a scraper, 3 parts of an anti-winding cylinder, 4 parts of a left connecting piece, 5 parts of a right connecting piece, 6 parts of a fixed pressing plate, 7 parts of a fixed connecting piece, 8 parts of a fixed beam, 9 parts of an anti-winding cylinder connecting bolt, 10 parts of a fixed bolt, 11 parts of a buckle, 12 parts of a sink groove.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 3-6, an upper shaft grass-winding prevention device for a conveying trough of a combine harvester comprises an anti-winding barrel 3 arranged on an upper shaft of the conveying trough of the combine harvester, wherein the anti-winding barrel consists of two semicircular barrels, the anti-winding barrel is provided with a left upper counter bore, a left lower counter bore, a right upper counter bore and a right lower counter bore, a left connecting piece 4 penetrates through the left upper counter bore and the left lower counter bore, and a right connecting piece 5 penetrates through the right upper counter bore and the right lower counter bore; and a fixed pressing plate 6 is arranged between the upper left counter bore and the left counter bore, the fixed pressing plate 6 is horizontally arranged and extends out of the anti-winding barrel 3, and the outer end of the fixed pressing plate 6 is connected with a fixed beam 8 in the conveying groove through a fixed connecting piece 7.
Further, left connecting piece 4 and right connecting piece 5 all including the anti-winding cylinder connecting bolt 9, first gasket and the anti-winding cylinder coupling nut that set gradually.
Furthermore, the anti-winding cylinder connecting bolts 9 are installed along the clockwise direction.
Furthermore, the anti-winding cylinder connecting bolt 9 is a hexagon socket head cap screw.
Furthermore, the fixing connector 7 includes a fixing bolt 10, an elastic pad, a second gasket and a fixing nut, which are sequentially arranged.
Further, the fixing bolt 10 is an outer hexagon bolt.
Furthermore, the radial two ends of the semicircular cylinder are respectively provided with a buckle 11 and a sinking groove 12.
Furthermore, the two semicircular cylinders are symmetrically spliced in the center, and the buckle and the sinking groove are matched with each other.
The conveying scraper blade 1 is responsible for conveying harvested crops to enter the threshing cylinder, stalks brought back by the conveying scraper blade 1 after entering the cylinder can easily fall onto the anti-winding cylinder, and the scraper blade 2 arranged outside the lower part of the conveying scraper blade 1 is equivalent to a cleaning scraper blade and takes away the stalks falling onto the anti-winding cylinder, so that the anti-winding effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The grass winding prevention device for the upper shaft of the conveying groove of the combine harvester is characterized by comprising a winding prevention cylinder arranged on the upper shaft of the conveying groove of the combine harvester, wherein the winding prevention cylinder consists of two semicircular cylinders, a left upper counter bore, a left lower counter bore, a right upper counter bore and a right lower counter bore are arranged on the winding prevention cylinder, a left connecting piece penetrates through the left upper counter bore and the left lower counter bore, and a right connecting piece penetrates through the right upper counter bore and the right lower counter bore; and a fixed pressing plate is arranged between the upper left counter bore and the left counter bore, the fixed pressing plate is horizontally arranged and extends out of the anti-winding cylinder, and the outer end of the fixed pressing plate is connected with a fixed beam in the conveying groove through a fixed connecting piece.
2. The shaft grass-winding prevention device on the conveying chute of the combine harvester as claimed in claim 1, wherein the left connecting piece and the right connecting piece each comprise an anti-winding cylinder connecting bolt, a first gasket and an anti-winding cylinder connecting nut which are arranged in sequence.
3. The shaft grass-winding prevention device on a conveying trough of a combine harvester according to claim 2, wherein the connecting bolts of the grass-winding prevention cylinders are installed clockwise.
4. The shaft grass-winding prevention device on the conveying chute of the combine harvester as claimed in claim 2, wherein the connecting bolt of the winding prevention cylinder is a hexagon socket head cap screw.
5. The shaft grass winding prevention device on the conveying chute of the combine harvester as claimed in claim 1, wherein the fixing connecting piece comprises a fixing bolt, a spring washer, a second gasket and a fixing nut which are arranged in sequence.
6. The shaft grass winding prevention device on the conveying chute of the combine harvester as claimed in claim 5, wherein the fixing bolt is a hexagon socket head cap screw.
7. The shaft grass winding prevention device on the conveying chute of the combine harvester as claimed in claim 1, wherein the radial two ends of the semicircular cylinder are respectively provided with a buckle and a sinking groove.
8. The shaft windup prevention device on a combine harvester conveyer trough according to claim 7, wherein the two semicircular cylinders are symmetrically spliced in the center, and the buckle and the sunken trough are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337169.1A CN111328556A (en) | 2020-04-26 | 2020-04-26 | Grass winding prevention device for upper shaft of conveying trough of combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337169.1A CN111328556A (en) | 2020-04-26 | 2020-04-26 | Grass winding prevention device for upper shaft of conveying trough of combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111328556A true CN111328556A (en) | 2020-06-26 |
Family
ID=71175206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010337169.1A Pending CN111328556A (en) | 2020-04-26 | 2020-04-26 | Grass winding prevention device for upper shaft of conveying trough of combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111328556A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10210844A (en) * | 1997-01-28 | 1998-08-11 | Kubota Corp | Straw winding prevention drum attaching structure for rotary shaft |
| CN202232199U (en) * | 2011-08-26 | 2012-05-30 | 中国水稻研究所 | Cut object conveying device in full-feeding combine harvester |
| CN106572636A (en) * | 2014-09-02 | 2017-04-19 | 株式会社久保田 | Harvester |
| CN106856846A (en) * | 2015-12-11 | 2017-06-20 | 勇猛机械股份有限公司 | A kind of rear chain-and-harrow type loop back device |
| CN206547360U (en) * | 2017-03-10 | 2017-10-13 | 江苏上骐重工科技有限公司 | United reaper delivery chute power input shaft anti-wrap device |
| CN107529722A (en) * | 2015-05-29 | 2018-01-02 | 株式会社久保田 | Cropper and ordinary combine harvester |
-
2020
- 2020-04-26 CN CN202010337169.1A patent/CN111328556A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10210844A (en) * | 1997-01-28 | 1998-08-11 | Kubota Corp | Straw winding prevention drum attaching structure for rotary shaft |
| CN202232199U (en) * | 2011-08-26 | 2012-05-30 | 中国水稻研究所 | Cut object conveying device in full-feeding combine harvester |
| CN106572636A (en) * | 2014-09-02 | 2017-04-19 | 株式会社久保田 | Harvester |
| CN107529722A (en) * | 2015-05-29 | 2018-01-02 | 株式会社久保田 | Cropper and ordinary combine harvester |
| CN106856846A (en) * | 2015-12-11 | 2017-06-20 | 勇猛机械股份有限公司 | A kind of rear chain-and-harrow type loop back device |
| CN206547360U (en) * | 2017-03-10 | 2017-10-13 | 江苏上骐重工科技有限公司 | United reaper delivery chute power input shaft anti-wrap device |
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| PB01 | Publication | ||
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Application publication date: 20200626 |