CN108432473B - High-efficient threshing and separating device - Google Patents
High-efficient threshing and separating device Download PDFInfo
- Publication number
- CN108432473B CN108432473B CN201810436007.6A CN201810436007A CN108432473B CN 108432473 B CN108432473 B CN 108432473B CN 201810436007 A CN201810436007 A CN 201810436007A CN 108432473 B CN108432473 B CN 108432473B
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- concave plate
- longitudinal axial
- roller
- axial flow
- tangential
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- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000004080 punching Methods 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 abstract description 10
- 235000013339 cereals Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 240000000359 Triticum dicoccon Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/26—Multi-part threshing concaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/22—Threshing cylinders with teeth
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/56—Driving mechanisms for the threshing parts
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F2012/188—Rethreshing devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention relates to a high-efficiency threshing and separating device which comprises a concave plate, wherein the concave plate is formed by connecting a tangential concave plate, a transition concave plate, a punching concave plate and a longitudinal axial flow concave plate in sequence, a tangential threshing roller is arranged above the tangential concave plate, a power transmission device is arranged above the transition concave plate, a longitudinal axial flow roller is arranged above the longitudinal axial flow concave plate, the lower part of a spiral blade at the front end of the longitudinal axial flow roller is opposite to the punching concave plate, the power transmission device is used for providing power for the tangential threshing roller and the longitudinal axial flow roller, a separable top cover is arranged above the longitudinal axial flow roller, and the separable top cover, the punching concave plate and the longitudinal axial flow concave plate form a complete threshing space. The device can realize the advantages of no blockage at the inlet of the longitudinal axial flow roller, large concave plate separation area, high grain separation efficiency, adjustable tangential flow and longitudinal axial flow transmission ratio and the like.
Description
Technical Field
The invention relates to a high-efficiency threshing and separating device, and belongs to the technical field of combine harvesters.
Background
The threshing and separating device is a core working part of the combine harvester. The threshing top cover (CN 2932976) of the full-feeding rice-wheat combine harvester disclosed by Wang Jianjun in the prior threshing device can select different baffle angles for different crops, and control the retention time of the crops in a threshing cavity so as to obtain the optimal threshing effect. Wang Axiang, etc. the corrugated plate type threshing top cover (CN 2927656) for the full-feeding rice and wheat combine harvester is provided with detachable corrugated plates, grains are rubbed on the corrugated plates, and crops can be threshed more cleanly. These and conventional threshing devices have the disadvantage that the grain can only be separated from the concave sieve openings, and therefore the separation capacity is limited, and the separation area of the threshing device cannot be increased significantly and the operation performance cannot be improved without changing the geometry of the threshing device.
In a threshing cylinder power input transmission device of a longitudinal axial flow full-feeding harvester disclosed in Chinese patent CN201577327U, a fan shaft obtains power from an engine and transmits the power to an intermediate transmission box, and the transmission box changes the power to change speed and then transmits the power to a chain wheel at the tail part of a longitudinal axial flow cylinder through chain transmission. The transmission mode needs more transmission shafts, the transmission distance from the engine to the tail of the longitudinal axial flow roller is long, the power loss is large, the transmission parts are more and dispersed, and the structure is complex and not compact. In a tangential and longitudinal flow threshing cylinder power transmission mechanism of a full-feeding combine disclosed in Chinese patent CN202889998U, the output end of a tangential cylinder is connected with a gear box, a bevel gear box is connected with one end of a transmission shaft, the other end of the transmission shaft is connected with a transmission piece, and the transmission piece is connected with the power input end of the tail part of the longitudinal axial flow threshing cylinder. Although the transmission shaft and the bevel gear transmission box are adopted in the patent, the transmission box is still arranged on one side of the machine body and is easy to interfere with the side wall of the machine frame, the transmission shaft is directly connected to the tail part of the longitudinal axial flow threshing cylinder from the front end, the power loss of the transmission shaft is increased due to overlong length, the transmission shaft is exposed and dangerous, and the strength and rigidity requirements of the transmission shaft are high.
Disclosure of Invention
Aiming at the problems that crops are not smooth to run and easy to block at the inlet of a longitudinal axial flow roller, the concave plate has small separation area, low separation efficiency, long tangential flow and longitudinal axial flow transmission, and the transmission ratio cannot be changed, the invention provides the efficient threshing and separating device.
In order to achieve the aim of the invention, the invention adopts the following technical scheme: the utility model provides a high-efficient threshing and separating device, includes the concave plate, the concave plate is formed by cutting flow concave plate, transition concave plate, punching a hole concave plate and vertical axis flow concave plate connection in proper order, cut flow concave plate top and install cut flow threshing cylinder, power transmission device is installed to transition concave plate top, vertical axis flow concave plate top is installed indulge axial-flow cylinder, the helical blade below of vertical axis flow cylinder front end is just right to the concave plate that punches a hole, power transmission device is used for cut flow threshing cylinder with vertical axis flow cylinder provides power, vertical axis flow cylinder top is equipped with separable top cap, separable top cap the concave plate that punches a hole with vertical axis flow concave plate constitutes complete threshing space.
In the scheme, the tangential threshing cylinder axis is mutually perpendicular to the longitudinal axial threshing cylinder axis, the tangential threshing cylinder axis is lower than the longitudinal axial threshing cylinder axis, and the power transmission device is positioned between the tangential threshing cylinder and the longitudinal axial threshing cylinder.
In the above scheme, power transmission device includes power input shaft, gear box and power take off shaft, gear box inside is equipped with speed change gear, drive gear I, drive gear II, input bevel gear and output bevel gear, speed change gear and input bevel gear are all installed on the power input shaft, drive gear I, drive gear II are all installed on power take off shaft, input bevel gear meshes with the output bevel gear of installing on vertical axial-flow threshing cylinder, the adjustment gear box top is equipped with the shift fork, can realize through the adjustment shift fork speed change gear with drive gear I or the adjustment of the meshing position between the drive gear II, the power take off shaft passes through the band pulley drive the tangential flow threshing cylinder rotates.
In the above scheme, separable top cap includes inlayer frame, top and outer frame, outer frame is located the outside of inlayer frame, outer frame with reserve space between the inlayer frame, the inlayer frame is arc punching plate structure, the top the inlayer frame with the vertical axis flows concave plate and constitutes enclosed construction.
In the above scheme, install adjustment mechanism on the top, adjustment mechanism including being located the regulation pole in the top outside and being located the inboard guide arm of top, guide ring and water conservancy diversion strip, the hinge pin is equipped with at the middle part of every water conservancy diversion strip, the other end of every water conservancy diversion strip all articulates on the guide arm, the rotation regulation pole can drag the guide arm and remove at the guide ring, and then change the angle of every water conservancy diversion strip.
In the scheme, the inner layer frame is arranged obliquely to the horizontal plane, the included angle is related to the friction angle of crops, and the separated materials are required to be ensured not to be accumulated on the surface of the porous plate.
In the scheme, the spiral guide strip is arranged on the transition concave plate and is used for guiding auxiliary movement in the process of throwing crops from the tangential threshing cylinder to the longitudinal axial threshing cylinder.
The invention has the beneficial effects that: (1) The spiral guide strip is arranged on the transition concave plate to guide the crop stream to be thrown from the tangential flow threshing cylinder to the longitudinal axial flow threshing cylinder for auxiliary movement; (2) According to the invention, 2 different rotational speeds can be output by adjusting the shifting fork above the gear box to switch the matched gear set; (3) According to the threshing and separating device, partial seeds are separated through the porous plate structure of the inner layer frames at the left side and the right side of the top cover, so that the separation area of the threshing and separating device is increased, and the separation efficiency is improved. (4) According to the invention, the other ends of the plurality of guide strips of the separable top cover adjusting mechanism are hinged together through the guide rods, the guide rods can be dragged to move on the guide rings by rotating the adjusting rods, so that the angles of the plurality of guide strips are changed, the stirring of the longitudinal axial flow roller on rice and wheat straw is further increased, the materials are uniformly distributed, and the threshing of grains and straw is promoted.
Drawings
FIG. 1 is a general layout of a high-efficiency threshing and separating device.
FIG. 2 is a schematic diagram of a recess plate structure.
FIG. 3 is a schematic diagram of a power transmission device.
Fig. 4 is a left side view of the partially detachable top cover.
Fig. 5 is a partially detachable top cover interior view.
The reference numerals are explained as follows: 1-separable top cover 2-power transmission device 3-tangential roller 4-concave plate 5-longitudinal axial flow roller 101-regulating mechanism 102-outer layer frame 103-inner layer frame 1011-regulating rod 1012-guide rod 1013-guide ring 1014-guide strip 201-shifting fork 202-pulley 203-power input shaft 204-gear box 2041-speed changing gear 2042-transmission gear I2043-transmission gear II 2044-output bevel gear 2045-input bevel gear 205-power output shaft 206-sprocket 401-punching concave plate 402-transition concave plate 4021-spiral guide strip 403-tangential concave plate 404-longitudinal axial flow concave plate
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, a high efficiency threshing and separating device comprises a separable top cover 1, a power transmission device 2, a tangential flow roller 3, a concave plate 4 and a longitudinal axial flow roller 5. The axis of the tangential roller 3 is perpendicular to the axis of the longitudinal axial roller 5, the axis of the tangential roller 3 is lower than the axis of the longitudinal axial roller 5, and the power transmission device 2 is positioned between the tangential roller 3 and the longitudinal axial roller 5 and meshed with a bevel gear on the axis of the longitudinal axial roller 5.
As shown in fig. 2, the recess plate 4 comprises a punching recess plate 401, a transition recess plate 402, a tangential recess plate 403 and a longitudinal axial recess plate 404, wherein the tangential recess plate 403 is located below the tangential roller 3; the punching concave 401 is positioned below the spiral blade at the front end of the longitudinal axial flow roller 5; the longitudinal axial flow concave 404 is positioned below the longitudinal axial flow roller 5, and the front part of the longitudinal axial flow concave 404 is flush with the punching concave 401; the transition concave 402 is located below the power transmission device 2, with the front end connected to the tangential concave 403 and the rear end connected to the punching concave 401. The part of the separable top cover 1 is positioned above the longitudinal axial flow roller 5, and forms a complete threshing space together with the punching concave 401 and the longitudinal axial flow concave 404.
As shown in fig. 3, the power transmission device 2 is composed of a fork 201, a pulley 202, a power input shaft 203, a gear box 204, a power output shaft 205, and a sprocket 206, and a speed gear 2041, a transmission gear I2042, a transmission gear II2043, an output bevel gear 2044, and an input bevel gear 2045 are provided inside the gear box 204. The speed change gear 2041 arranged on the power input shaft 203 and positioned in the gear box 203 is matched with the transmission gear I2042 and the transmission gear II2043 arranged on the power output shaft 205; an output bevel gear 2044 is mounted on the power input shaft 203 within the gear box 203 to cooperate with an input bevel gear 2045 mounted on the longitudinal axial flow drum 5. Through the fork 201 above the gear box 204, the power output shaft 205 can output 2 different rotational speeds. Taking the machine advancing direction as the front, a chain wheel 206 is arranged on a power input shaft 203 at the left end of the power transmission device 2, and a belt wheel 202 is arranged on a power output shaft 205 at the right end of the power transmission device 2; the power input shaft 203 transmits power to the gear box 203, the gear box 203 drives the longitudinal axial flow roller 5 to rotate through the output bevel gear 2044 and the input bevel gear 2045 on one hand, and meanwhile, the power output shaft 203 drives the tangential flow roller 3 to rotate through the belt pulley 202.
As shown in fig. 4 and 5, the partially detachable top cover 1 is composed of an adjusting mechanism 101, an inner frame 102, a top 103 and an outer frame 104, wherein the outer frame 104 encloses the inner frame 102 inside and is spaced apart from the inner frame 102; the inner layer frame 102 is located on the left side and the right side and is an arc punching plate structure, the top 103 is a closed structure formed by a plane light plate and the left outer layer frame 104 and the right outer layer frame 104, and the adjusting mechanism 101 is arranged on the top 103. The inner frames 102 on the left side and the right side are porous plate structures and are used for separating partial grains, so that the separation area of the high threshing separation device is increased, the included angle between the inner frames 102 and the horizontal direction is related to the friction angle of crops, and the separated materials are required to be ensured not to be accumulated on the surface of the porous plate. The adjusting mechanism 101 comprises an adjusting rod 1011 positioned at the outer side of the top 103, a guide rod 1012 positioned at the inner side of the top 103, a guide ring 1013 and guide strips 1014, wherein a hinge shaft is arranged at the middle part of each guide strip 1014, the other ends of the guide strips 1014 are hinged together through the guide rod 1012, the guide rod 1012 can be dragged to move at the guide ring 1013 by rotating the adjusting rod 1011, the angle of the guide strips 1014 is further changed, the stirring of the rice and wheat straw by the longitudinal axial flow roller is further increased, the materials are uniformly distributed, and the threshing of grains and straws is more facilitated.
In the efficient threshing and separating device, a spiral guide bar 4021 can be arranged on the transition concave plate 402 and used for guiding a crop stream to be thrown from the tangential flow roller 3 to the longitudinal axial flow roller 5 for auxiliary movement, so that blockage cannot occur. The number of spiral guide bars 4021 may be plural, and the spiral angle may be determined according to the mutual positions of the tangential concave plate 403 and the punching concave plate.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above-described embodiments, and any obvious modifications, substitutions or variations that can be made by one skilled in the art without departing from the spirit of the present invention are within the scope of the present invention.
Claims (5)
1. The efficient threshing and separating device is characterized by comprising a concave plate (4), wherein the concave plate (4) is formed by sequentially connecting a tangential concave plate (403), a transitional concave plate (402), a punching concave plate (401) and a longitudinal axial flow concave plate (404), a tangential roller (3) is arranged above the tangential concave plate (403), a power transmission device (2) is arranged above the transitional concave plate (402), a longitudinal axial flow roller (5) is arranged above the longitudinal axial flow concave plate (404), the lower part of a spiral blade at the front end of the longitudinal axial flow roller (5) is opposite to the punching concave plate (401), the power transmission device (2) is used for providing power for the tangential roller (3) and the longitudinal axial flow roller (5), a separable top cover (1) is arranged above the longitudinal axial flow roller (5), and the separable top cover (1), the punching concave plate (401) and the longitudinal axial flow concave plate (404) form a complete threshing space; the separable top cover (1) comprises an inner layer frame (102), a top (103) and an outer layer frame (104), wherein the outer layer frame (104) is positioned outside the inner layer frame (102), a space is reserved between the outer layer frame (104) and the inner layer frame (102), the inner layer frame (102) is of an arc punching plate structure, and the top (103), the inner layer frame (102) and the longitudinal axial flow concave plate (404) form a closed structure; the top (103) is provided with an adjusting mechanism (101), the adjusting mechanism (101) comprises an adjusting rod (1011) positioned on the outer side of the top (103) and guide rods (1012), guide rings (1013) and guide strips (1014) positioned on the inner side of the top (103), the middle part of each guide strip (1014) is provided with a hinge shaft, the other end of each guide strip (1014) is hinged to the guide rod (1012), and the rotating adjusting rod (1011) can drag the guide rod (1012) to move on the guide rings (1013) so as to change the angle of each guide strip (1014).
2. An efficient threshing and separating device as claimed in claim 1, characterized in that the tangential roller (3) axis and the longitudinal axial roller (5) axis are mutually perpendicular and the tangential roller (3) axis is lower than the longitudinal axial roller (5) axis, the power transferring device (2) being located between the tangential roller (3) and the longitudinal axial roller (5).
3. The efficient threshing and separating device according to claim 1 or 2, characterized in that the power transmission device (2) comprises a power input shaft (203), a gear box (204) and a power output shaft (205), a speed change gear (2041), a transmission gear I (2042), a transmission gear II (2043), an output bevel gear (2044) and an input bevel gear (2045) are arranged in the gear box (204), the speed change gear (2041) and the output bevel gear (2044) are both arranged on the power input shaft (203), the transmission gear I (2042) and the transmission gear II (2043) are both arranged on the power output shaft (205), the output bevel gear (2044) is meshed with the input bevel gear (2045) arranged on the longitudinal axial flow roller (5), the gear box (204) is provided with a shifting fork (201) above, adjustment of the meshing position between the speed change gear (2041) and the transmission gear I (2042) or the transmission gear II (2043) can be achieved through adjustment of the shifting fork (201), and the power output shaft (205) drives the tangential flow roller (3) through the belt pulley (202).
4. An efficient threshing and separating device as claimed in claim 1, characterized in that the inner frame (102) is arranged obliquely to the horizontal plane.
5. An efficient threshing and separating device as claimed in claim 1 or 2, characterized in that the transition recess (402) is provided with a spiral guiding strip (4021), which spiral guiding strip (4021) is used for guiding the auxiliary movement of the crop during its throwing from the tangential flow drum (3) to the longitudinal axial flow drum (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436007.6A CN108432473B (en) | 2018-05-09 | 2018-05-09 | High-efficient threshing and separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436007.6A CN108432473B (en) | 2018-05-09 | 2018-05-09 | High-efficient threshing and separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108432473A CN108432473A (en) | 2018-08-24 |
| CN108432473B true CN108432473B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810436007.6A Active CN108432473B (en) | 2018-05-09 | 2018-05-09 | High-efficient threshing and separating device |
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| CN (1) | CN108432473B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588120A (en) * | 2018-12-28 | 2019-04-09 | 江苏大学 | First planting rice forces feeding threshing separation to crush integrated apparatus |
| CN109906779B (en) * | 2018-12-29 | 2023-09-22 | 江苏大学 | High-efficiency threshing and cleaning device and harvester |
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| CN208370328U (en) * | 2018-05-09 | 2019-01-15 | 江苏大学 | A kind of efficient installed threshing separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8313361B2 (en) * | 2009-12-11 | 2012-11-20 | Cnh America Llc | Helical bar concave |
| DE102013100057B4 (en) * | 2013-01-04 | 2021-10-07 | Claas Selbstfahrende Erntemaschinen Gmbh | Threshing device |
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| JP2000060292A (en) * | 1999-09-07 | 2000-02-29 | Iseki & Co Ltd | Thresher |
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| Publication number | Publication date |
|---|---|
| CN108432473A (en) | 2018-08-24 |
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