CN109197168A - A kind of grain threshing equipment - Google Patents
A kind of grain threshing equipment Download PDFInfo
- Publication number
- CN109197168A CN109197168A CN201811068424.6A CN201811068424A CN109197168A CN 109197168 A CN109197168 A CN 109197168A CN 201811068424 A CN201811068424 A CN 201811068424A CN 109197168 A CN109197168 A CN 109197168A
- Authority
- CN
- China
- Prior art keywords
- threshing
- transfer tape
- gear
- shaft
- tape assemble
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 abstract description 32
- 239000000463 material Substances 0.000 abstract description 3
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000251169 Alopias vulpinus Species 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A01F7/00—Threshing apparatus
- A01F7/02—Threshing apparatus with rotating tools
- A01F7/04—Threshing apparatus with rotating tools with axles transverse to the feeding direction
-
- 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
- A01F12/10—Feeders
-
- 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
- A01F12/46—Mechanical grain conveyors
-
- 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
- A01F12/50—Sack-filling devices; Counting or weighing devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention discloses a kind of grain threshing equipment, including threshing chamber, threshing cylinder component, the first transfer tape assemble, conveying barrel and bagging-off spout, threshing cylinder component is arranged in middle part in threshing chamber, and is provided with fixed delivery arrangement on the right side of threshing cylinder component in the middle part of threshing chamber right side wall.The present invention is at work, second gear rotation is driven by first motor, and the first transfer tape assemble and the second transfer tape assemble is driven to rotate under the cooperation of first gear and third gear, in this way staff can continuously by crop material at drain hole frame between the first transfer tape assemble and the second transfer tape assemble, and towards threshing cylinder component at cereal, to realize the efficient threshing of shelling object, it also avoids grasp stalk with hand and carries out threshing, improve the safety of staff, and sack can be placed under bagging-off spout by staff, cereal is packed, to save the labour for artificially collecting cereal.
Description
Technical field
The present invention relates to agricultural equipment technical field more particularly to a kind of grain threshing equipment.
Background technique
Thresing machine is harvesting machinery, refers to the machinery for separating crop kernels with stalk, refers mainly to cereal crops
Harvest machinery.According to the difference for making grain object, thresing machine type is different.As " rice thresher " is suitable for rice threshing；It is de- for corn
Grain is known as " maize sheller " etc..Rice thresher is commonly called as " threshing machine ", mechanical for most common rice threshing.It needs rice first
After harvesting, rice grain is separated with stalk by this machinery.
The most threshing efficiency bottom of current thresing machine, and can have certain power of pullling to the stalk of cereal when threshing, it is potential
Certain risk needs to artificially collect and pack there are no the function of pack.Therefore, those skilled in the art provide one
Kind grain threshing equipment, to solve the problems mentioned in the above background technology.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of grain threshing equipment.
A kind of grain threshing equipment proposed by the present invention, including threshing chamber, threshing cylinder component, the first transfer tape assemble,
Threshing cylinder component is arranged in conveying barrel and bagging-off spout, the interior middle part of threshing chamber, and in threshing cylinder component in the middle part of threshing chamber right side wall
Right side is provided with fixed delivery arrangement, and fixed delivery arrangement includes the first protecting crust, the first transfer tape assemble, first rotating shaft, the
One gear, first motor, the second shaft, second gear, third gear, third shaft, the second transfer tape assemble, the second protection
Shell is provided with the first transfer tape assemble in the first protecting crust, and the first transfer tape assemble front end passes through first rotating shaft rotation and connects
The first protecting crust is connect, and the first transfer tape assemble rear end is rotatablely connected the first protecting crust by the 4th shaft, first rotating shaft is right
The first protecting crust right side wall is run through at end, and first rotating shaft right end is provided with first gear, is provided on the right side of the first protecting crust upper end
First motor, and second gear is connected by the second shaft on the right side of first motor, the engagement of second gear lower end connects first gear,
And first gear lower end engagement connection third gear, third gear left side central portion connect third shaft, third gear left end is run through
Second protecting crust right side wall, and third gear left end is rotatablely connected left side wall in the second protecting crust, is provided in the second protecting crust
Second transfer tape assemble, the second transfer tape assemble front end are rotatablely connected the second protecting crust, and the second transmission by third shaft
Band component rear end is rotatablely connected the second protecting crust by the 5th shaft.
Conveying barrel is provided on the left of threshing chamber, and lower end is connected by lower end on the left of connecting tube and threshing chamber on the right side of conveying barrel
Logical, conveying barrel upper end is provided with the second motor, and the 6th shaft is connected in the middle part of the second motor lower end, and the 6th shaft lower end is through defeated
A barrel top, and bottom end in the 6th shaft lower end connection conveying barrel are sent, is arranged with helical disk in conveying barrel on the outside of the 6th shaft, it is defeated
Upper end on the left of bucket is sent to be provided with bagging-off spout.
As a further solution of the present invention: the first supporting leg is provided on the left of threshing chamber lower end, and threshing chamber lower end is right
Side is provided with the second supporting leg, and the first supporting leg connects the second supporting leg by cross bar.
As further scheme of the invention: the 6th shaft outer upper is rotatablely connected conveying barrel top by bearing,
And the 6th shaft lower end pass through sleeve be rotatablely connected conveying barrel in bottom end.
As further scheme of the invention: macropore sieve is provided with below threshing cylinder component in threshing chamber, and
Threshing chamber bottom is set as ramp structure.
As further scheme of the invention: threshing chamber right side wall is on rear side of the first protecting crust, the second protecting crust upper end
It is provided with drain hole.
As further scheme of the invention: being provided on the outside of the first transfer tape assemble and the second transfer tape assemble solid
Fixed tooth.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention at work, drives second gear rotation by first motor, and in first gear and third gear
Cooperation under drive the first transfer tape assemble and the second transfer tape assemble to rotate, such staff can be continuously by crop material
Frame is between the first transfer tape assemble and the second transfer tape assemble at drain hole, and towards threshing cylinder component at cereal, from
And realize the efficient threshing of shelling object, it also avoids grasp stalk with hand and carries out threshing, improve the safety of staff.
2, the present invention can drive the rotation of the 6th shaft when collecting the cereal of threshing by the second motor, thus
Helical disk rotation is driven, and then cereal is transported at bagging-off spout by conveying barrel, at this moment staff can put sack
Under bagging-off spout, cereal is packed, to save the labour for artificially collecting cereal, and cereal is improved and collects pack
Efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of grain threshing equipment.
Fig. 2 is the side view structure of the first transfer tape assemble and the second transfer tape assemble signal in a kind of grain threshing equipment
Figure.
Fig. 3 is a kind of schematic diagram of internal structure of conveying barrel in grain threshing equipment.
In figure: 1- threshing chamber, 2- threshing cylinder component, the first protecting crust of 3-, the first transfer tape assemble of 4-, first turn of 5-
Axis, 6- first gear, 7- first motor, the second shaft of 8-, 9- second gear, 10- third gear, 11- third shaft, 12-
The fixed tooth of two transfer tape assembles, the second protecting crust of 13-, the 4th shaft of 14-, the 5th shaft of 15-, 16-, 17- drain hole, 18- are big
Screen mesh, 19- conveying barrel, 20- connecting tube, the second motor of 21-, 22- bearing, the 6th shaft of 23-, 24- helical disk, 25- sleeve,
26- bagging-off spout, the first supporting leg of 27-, the second supporting leg of 28-, 29- cross bar.
Specific embodiment
As shown in Figure 1-Figure 3, a kind of grain threshing equipment proposed by the present invention, including threshing chamber 1, threshing cylinder component 2,
First transfer tape assemble 4, conveying barrel 19 and bagging-off spout 26, threshing cylinder component 2 is arranged in the interior middle part of threshing chamber 1, and threshing chamber 1 is right
It is provided with fixed delivery arrangement in the middle part of side wall on the right side of threshing cylinder component 2, fixed delivery arrangement includes the first protecting crust 3, the
One transfer tape assemble 4, first rotating shaft 5, first gear 6, first motor 7, the second shaft 8, second gear 9, third gear 10,
Three shafts 11, the second transfer tape assemble 12, the second protecting crust 13 are provided with the first transfer tape assemble 4 in first protecting crust 3, and
First transfer tape assemble, 4 front end is rotatablely connected the first protecting crust 3, and 4 rear end of the first transfer tape assemble by first rotating shaft 5
It is rotatablely connected the first protecting crust 3 by the 4th shaft 14,5 right end of first rotating shaft runs through 3 right side wall of the first protecting crust, and first turn
5 right end of axis is provided with first gear 6, is provided with first motor 7 on the right side of 3 upper end of the first protecting crust, and pass through on the right side of first motor 7
Second shaft 8 connects second gear 9,9 lower end of second gear engagement connection first gear 6, and the engagement connection of 6 lower end of first gear
Third gear 10,10 left side central portion of third gear connect third shaft 11, and 11 left end of third gear is right through the second protecting crust 13
Side wall, and 11 left end of third gear is rotatablely connected left side wall in the second protecting crust 13, is provided with the second biography in the second protecting crust 13
Band component 12 is sent, 12 front end of the second transfer tape assemble is rotatablely connected the second protecting crust 13 by third shaft 11, and second passes
Band 12 rear end of component is sent to be rotatablely connected the second protecting crust 13 by the 5th shaft 15.
Conveying barrel 19 is provided on the left of threshing chamber 1, and 19 right side lower end of conveying barrel passes through 1 left side of connecting tube 20 and threshing chamber
Lower end connection, 19 upper end of conveying barrel is provided with the second motor 21, and the 6th shaft 23 is connected in the middle part of 21 lower end of the second motor, and the 6th
19 top of conveying barrel, and bottom end in 23 lower end of the 6th shaft connection conveying barrel 19,23 outside of the 6th shaft are run through in 23 lower end of shaft
Helical disk 24 is arranged in conveying barrel 19,19 left side upper end of conveying barrel is provided with bagging-off spout 26.
It is provided with the first supporting leg 27 on the left of 1 lower end of threshing chamber, and is provided with the second supporting leg on the right side of 1 lower end of threshing chamber
28, and the first supporting leg 27 connects the second supporting leg 28 by cross bar 29.
6th shaft, 23 outer upper is rotatablely connected 19 top of conveying barrel by bearing 22, and 23 lower end of the 6th shaft passes through
Sleeve 25 is rotatablely connected bottom end in conveying barrel 19.
Macropore sieve 18 is provided with below threshing cylinder component 2 in threshing chamber 1, and 1 bottom of threshing chamber is set as slope
Structure.
1 right side wall of threshing chamber is provided with drain hole 17 in 3 rear side of the first protecting crust, 13 upper end of the second protecting crust.
Fixed tooth 16 is provided on the outside of first transfer tape assemble 4 and the second transfer tape assemble.
The grain threshing equipment drives second gear 9 to rotate at work, by first motor 7, and in 6 He of first gear
The first transfer tape assemble 4 and the second transfer tape assemble 12 is driven to rotate under the cooperation of third gear 10, such staff can be with
Continuously by crop material, frame is between the first transfer tape assemble 4 and the second transfer tape assemble 12 at drain hole 17, and at cereal
Towards threshing cylinder component 2, to realize the efficient threshing of shelling object, also avoids grasp stalk with hand and carry out threshing, improve
The safety of staff.
The grain threshing equipment can drive the 6th shaft 23 by the second motor 21 when collecting the cereal of threshing
Rotation so that helical disk 24 be driven to rotate, and then cereal is transported at bagging-off spout 26 by conveying barrel 19, at this moment staff
Sack can be placed under bagging-off spout 26, cereal is packed, to save the labour for artificially collecting cereal, and mentioned
High cereal collects the efficiency of pack.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of grain threshing equipment, including threshing chamber (1), threshing cylinder component (2), the first transfer tape assemble (4), conveying barrel
(19) and bagging-off spout (26), which is characterized in that threshing cylinder component (2) are arranged in middle part in threshing chamber (1), and threshing chamber (1) is right
Fixed delivery arrangement is provided in the middle part of side wall on the right side of threshing cylinder component (2), fixed delivery arrangement includes the first protecting crust
(3), the first transfer tape assemble (4), first rotating shaft (5), first gear (6), first motor (7), the second shaft (8), the second tooth
Take turns (9), third gear (10), third shaft (11), the second transfer tape assemble (12), the second protecting crust (13), the first protecting crust
(3) it is provided with the first transfer tape assemble (4) in, and the first transfer tape assemble (4) front end is rotatablely connected by first rotating shaft (5)
First protecting crust (3), and the first transfer tape assemble (4) rear end is rotatablely connected the first protecting crust (3) by the 4th shaft (14),
First rotating shaft (5) right end runs through the first protecting crust (3) right side wall, and first rotating shaft (5) right end is provided with first gear (6), the
It is provided with first motor (7) on the right side of one protecting crust (3) upper end, and passes through the second shaft (8) connection second on the right side of first motor (7)
Gear (9), second gear (9) lower end engagement connection first gear (6), and first gear (6) lower end engagement connection third gear
(10), the second protecting crust (13) are run through in third gear (10) left side central portion connection third shaft (11), third gear (11) left end
Right side wall, and third gear (11) left end is rotatablely connected the second protecting crust (13) interior left side wall, setting in the second protecting crust (13)
Have the second transfer tape assemble (12), the second transfer tape assemble (12) front end passes through the second protection of third shaft (11) rotation connection
Shell (13), and the second transfer tape assemble (12) rear end passes through the 5th shaft (15) rotation connection the second protecting crust (13)；
It is provided with conveying barrel (19) on the left of threshing chamber (1), and lower end passes through connecting tube (20) and threshing chamber on the right side of conveying barrel (19)
(1) left side lower end connection, conveying barrel (19) upper end is provided with the second motor (21), and connection the in the middle part of the second motor (21) lower end
Six shafts (23), conveying barrel (19) top is run through in the 6th shaft (23) lower end, and the 6th shaft (23) lower end connects conveying barrel
(19) interior bottom end, the 6th shaft (23) outside are arranged with helical disk (24) in conveying barrel (19), upper end on the left of conveying barrel (19)
It is provided with bagging-off spout (26).
2. a kind of grain threshing equipment according to claim 1, which is characterized in that be provided on the left of threshing chamber (1) lower end
First supporting leg (27), and be provided with the second supporting leg (28) on the right side of threshing chamber (1) lower end, and the first supporting leg (27) passes through cross
Bar (29) connects the second supporting leg (28).
3. a kind of grain threshing equipment according to claim 1, which is characterized in that the 6th shaft (23) outer upper passes through
Bearing (22) is rotatablely connected conveying barrel (19) top, and the 6th shaft (23) lower end is rotatablely connected conveying barrel by sleeve (25)
(19) interior bottom end.
4. a kind of grain threshing equipment according to claim 1, which is characterized in that in threshing cylinder group in threshing chamber (1)
It is provided with macropore sieve (18) below part (2), and threshing chamber (1) bottom is set as ramp structure.
5. a kind of grain threshing equipment according to claim 1, which is characterized in that threshing chamber (1) right side wall is anti-first
Protective case (3) rear side, the second protecting crust (13) upper end are provided with drain hole (17).
6. a kind of grain threshing equipment according to claim 1, which is characterized in that the first transfer tape assemble (4) and second
Fixed tooth (16) are provided on the outside of transfer tape assemble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068424.6A CN109197168A (en) | 2018-09-13 | 2018-09-13 | A kind of grain threshing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068424.6A CN109197168A (en) | 2018-09-13 | 2018-09-13 | A kind of grain threshing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109197168A true CN109197168A (en) | 2019-01-15 |
Family
ID=64983637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811068424.6A Pending CN109197168A (en) | 2018-09-13 | 2018-09-13 | A kind of grain threshing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109197168A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527887A (en) * | 2020-04-26 | 2020-08-14 | 陕西科技大学 | Grain and straw separator |
| CN112753383A (en) * | 2021-01-13 | 2021-05-07 | 刘永林 | Bean crop threshing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212880Y (en) * | 1994-07-13 | 1995-11-22 | 湘潭师范学院 | Automatic thresher |
| CN2653860Y (en) * | 2003-10-18 | 2004-11-10 | 吴殿明 | Thrasher-having trash separating, cleaning and classifying device |
| KR200411984Y1 (en) * | 2005-11-01 | 2006-03-22 | 이태옥 | Bean thresher |
| CN2925052Y (en) * | 2006-07-19 | 2007-07-25 | 瞿庆涛 | Thresher with war separation |
| CN2930261Y (en) * | 2005-09-02 | 2007-08-08 | 洋马株式会社 | Conveyor for grain |
| EP1820390A1 (en) * | 2006-02-17 | 2007-08-22 | CLAAS Selbstfahrende Erntemaschinen GmbH | Combine-harvester with multi-stage separating zone |
| CN201153402Y (en) * | 2007-11-12 | 2008-11-26 | 吴殿明 | Half-feed rice thresher |
| CN201541488U (en) * | 2009-12-04 | 2010-08-11 | 罗健飞 | Threshing device for rice harvester |
| JP4627159B2 (en) * | 2004-07-09 | 2011-02-09 | 俊夫 下川 | Rice threshing equipment |
| CN201805735U (en) * | 2010-09-02 | 2011-04-27 | 刘永年 | Pint-sized wheat thresher |
| CN204598722U (en) * | 2015-04-24 | 2015-09-02 | 洛阳理工学院 | One grow wheat roll threshing and separating device |
| CN205030164U (en) * | 2015-07-03 | 2016-02-17 | 重庆长超农机制造有限公司 | Thresher feed transport mechanism |
| CN105357955A (en) * | 2013-02-28 | 2016-02-24 | 凯斯纽荷兰(中国)管理有限公司 | Grain conveyor for a combine harvester |
| CN105830631A (en) * | 2016-01-14 | 2016-08-10 | 金华职业技术学院 | A threshing and screening device for a combine harvester |
| CN106900273A (en) * | 2017-03-08 | 2017-06-30 | 农业部南京农业机械化研究所 | One kind transmission auger mechanism |
| CN206642780U (en) * | 2017-03-03 | 2017-11-17 | 连云港市农业科学院 | A kind of use for laboratory rice hulling machine |
| CN108142107A (en) * | 2018-03-14 | 2018-06-12 | 河南科技大学 | A kind of millet partly feeds sheller unit |
-
2018
- 2018-09-13 CN CN201811068424.6A patent/CN109197168A/en active Pending
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|---|---|---|---|---|
| CN2212880Y (en) * | 1994-07-13 | 1995-11-22 | 湘潭师范学院 | Automatic thresher |
| CN2653860Y (en) * | 2003-10-18 | 2004-11-10 | 吴殿明 | Thrasher-having trash separating, cleaning and classifying device |
| JP4627159B2 (en) * | 2004-07-09 | 2011-02-09 | 俊夫 下川 | Rice threshing equipment |
| CN2930261Y (en) * | 2005-09-02 | 2007-08-08 | 洋马株式会社 | Conveyor for grain |
| KR200411984Y1 (en) * | 2005-11-01 | 2006-03-22 | 이태옥 | Bean thresher |
| EP1820390A1 (en) * | 2006-02-17 | 2007-08-22 | CLAAS Selbstfahrende Erntemaschinen GmbH | Combine-harvester with multi-stage separating zone |
| CN2925052Y (en) * | 2006-07-19 | 2007-07-25 | 瞿庆涛 | Thresher with war separation |
| CN201153402Y (en) * | 2007-11-12 | 2008-11-26 | 吴殿明 | Half-feed rice thresher |
| CN201541488U (en) * | 2009-12-04 | 2010-08-11 | 罗健飞 | Threshing device for rice harvester |
| CN201805735U (en) * | 2010-09-02 | 2011-04-27 | 刘永年 | Pint-sized wheat thresher |
| CN105357955A (en) * | 2013-02-28 | 2016-02-24 | 凯斯纽荷兰(中国)管理有限公司 | Grain conveyor for a combine harvester |
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| CN205030164U (en) * | 2015-07-03 | 2016-02-17 | 重庆长超农机制造有限公司 | Thresher feed transport mechanism |
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| CN108142107A (en) * | 2018-03-14 | 2018-06-12 | 河南科技大学 | A kind of millet partly feeds sheller unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527887A (en) * | 2020-04-26 | 2020-08-14 | 陕西科技大学 | Grain and straw separator |
| CN112753383A (en) * | 2021-01-13 | 2021-05-07 | 刘永林 | Bean crop threshing device |
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Application publication date: 20190115 |