CN107135748B - A kind of adjustable corn threshing notch board of grid distance - Google Patents
A kind of adjustable corn threshing notch board of grid distance Download PDFInfo
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- CN107135748B CN107135748B CN201710277687.7A CN201710277687A CN107135748B CN 107135748 B CN107135748 B CN 107135748B CN 201710277687 A CN201710277687 A CN 201710277687A CN 107135748 B CN107135748 B CN 107135748B
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- China
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- round steel
- grid
- grid round
- coulisse
- connecting plate
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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
- A01F11/00—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
- A01F11/06—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals for maize, e.g. removing kernels from cobs
-
- 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
- A01F12/24—One-part threshing concaves
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The present invention provides a kind of adjustable corn threshing notch board of grid distance, including grid round steel fixed mechanism, grid round steel, upper junction plate, two panels grid round steel coulisse and lower connecting plate；Grid round steel fixed mechanism includes fixed plate and connecting plate, and upper end and the upper junction plate of connecting plate are detachably connected；Dead plate upper end is fixedly connected with the lower end of connecting plate, and it is hinged with lower connecting plate that the lower end of fixed plate is provided with hinge hole；The top of grid round steel coulisse is fixedly connected with the both ends of upper junction plate respectively, and the bottom end of grid round steel coulisse is fixedly connected with the both ends of lower connecting plate respectively；Grid round steel can slide in the sliding slot of grid round steel coulisse, open grid round steel fixed mechanism, adjust position of the grid round steel in the sliding slot of grid round steel coulisse, it can be achieved that grid round steel spacing adjustment.The present invention can promote the Threshing of corn to reduce corn percentage of damage and loss late according to the spacing that the kind and size of corn adjust grid round steel.
Description
Technical field
The present invention relates to corn kernel combined harvester threshing separation fields, and it is adjustable de- specifically to design a kind of grid distance
Grain notch board, the spacing that grid round steel can be adjusted according to corn size carry out corn threshing with realizing efficiently low damage.
Background technique
Corn is one of China's Three major grain crops, and traditional harvest corn mainly by the way of swath harvesting, works
Amount is big, and time-consuming and laborious, is unable to satisfy the situation of China's corn large area harvest.The harvest time of the straight debit's formula of corn kernel
Short, labor productivity is high, is attracted attention further at home in recent years, is the major way of later harvest corn.
It is corn threshing notch board that corn kernel, which directly receives one of key component, it influences the Threshing of corn.Due to
Corncob is different from the wheat head and Panicle structure, and the attachment force between seed and fruit ear is bigger than wheat and rice, especially aqueous
The higher corncob of rate, attachment force is bigger than the corn of low-water-content, therefore the power needed when threshing is very big, according to corner angle compared with
More threshing concave plate, it is easy to cause the broken of corn kernel, the threshing concave plate as disclosed in Chinese patent CN200987289, grid
Item uses Bar with Rectangular section, and it is broken that corner angle easily cause corn kernel, therefore intaglio plate dedicated for corn will reduce notch board to the greatest extent
Corner angle concentrate the stress of corn kernel.Corn notch board mostly uses rounded corner or reduces corn kernel by the way of grid round steel
It is broken, the corn threshing notch board as disclosed in Chinese patent CN205546607U and Chinese patent CN204741897U is directed to notch board
Corner angle seed damage rate caused by corn is high, a kind of new notch board structure is proposed, by changing structure of grid into circle by band steel
In a part insertion fixed plate of steel and grizzly bar round steel, remaining another part is located at outside fixed plate, reduces the corner angle of notch board,
To reduce the percentage of damage of corn kernel.But above-mentioned threshing concave plate grizzly bar round steel is welded to together with frame, can not be adjusted
The distance between grizzly bar round steel, it is not strong to different corn variety adaptability although can be reduced corn kernel percentage of damage, it makes
It is high at corn percentage of impurity height or grain loss rate.It, i.e., can according to different corn size adjustings if grizzly bar round steel spacing is adjustable
To promote the Threshing of corn, the percentage of impurity and loss late during corn kernel harvests are reduced.
Summary of the invention
In the case of to solve harvest different cultivars, various sizes of corn, grizzly bar round steel can not root
It is adjusted according to corn situation, causes the problem that corn kernel percentage of damage is high or grain loss rate is high.There is provided one kind being capable of root
The corn threshing notch board of grizzly bar round steel spacing is adjusted according to corn variety and size.
The technical scheme is that a kind of adjustable corn threshing notch board of grid distance, including the fixed machine of grid round steel
Structure, grid round steel, upper junction plate, two panels grid round steel coulisse and lower connecting plate；
The grid round steel fixed mechanism includes connecting plate and several fixed plates, the upper end of the connecting plate and upper junction plate
It is detachably connected；The dead plate upper end is fixedly connected with the lower end of connecting plate, and the lower end of fixed plate is provided with hinge hole and lower company
Fishplate bar is hinged；Several semi-circular recesses are provided in the fixed plate；
The top of the grid round steel coulisse is fixedly connected with the both ends of upper junction plate respectively, grid round steel coulisse
Bottom end is fixedly connected with the both ends of lower connecting plate respectively；The top of the grid round steel coulisse is provided with diameter greater than grid circle
The mounting hole of steel diameter is longitudinally equipped with the sliding slot being connected to mounting hole along grid round steel coulisse；
Grid round steel both ends are provided with groove, and groove is matched with the sliding slot of grid round steel coulisse, the grid circle
Steel is placed in semi-circular recesses, and the groove at both ends is located in sliding slot, and the grid round steel can slide in sliding slot.
In above scheme, it is provided with mounting hole on the connecting plate of the grid round steel fixed mechanism and upper junction plate passes through bolt
Connection.
In above scheme, the quantity of the fixed plate is 2~4.
In above scheme, the quantity of the semi-circular recesses is 30~45.
In above scheme, the top of the grid round steel coulisse passes through the company of being welded and fixed with the both ends of upper junction plate respectively
It connects.
In above scheme, the bottom end of the grid round steel coulisse passes through the company of being welded and fixed with the both ends of lower connecting plate respectively
It connects.
Compared with prior art, the beneficial effects of the present invention are:
1. grizzly bar round steel spacing of the present invention can be adjusted according to corn variety and size, the both ends of grizzly bar round steel are provided with recessed
Slot is matched with the coulisse of grid round steel, realizes the axial restraint of grizzly bar round steel.Grid round steel fixed mechanism lower end and threshing
The lower connecting plate of notch board is hinged, and fixation is bolted in the upper junction plate of upper end and threshing concave plate, needs to adjust round steel spacing
When, it is only necessary to release is bolted, so that grizzly bar round steel can move, is provided in the fixed plate of grid round steel fixed mechanism
A series of groove snaps into grizzly bar round steel in different grooves, realizes the spacing for adjusting round steel.
2. the mounting hole slightly larger than grizzly bar round steel diameter is provided on grid round steel coulisse of the present invention, when between grizzly bar round steel
When away from becoming larger or become smaller, when needing to increase or reducing the number of grizzly bar round steel, it can be realized by the mounting hole.
Detailed description of the invention
Fig. 1 is the overall pattern of the adjustable corn threshing notch board of grid distance of an embodiment of the present invention；
Fig. 2 is the overall pattern of the grid fixed mechanism of an embodiment of the present invention；
Fig. 3 is the front view of the fixed plate of an embodiment of the present invention；
Fig. 4 is the partial view of the fixed plate of an embodiment of the present invention；
Fig. 5 is the coulisse front view of the grid round steel of an embodiment of the present invention；
Fig. 6 is the partial view of the coulisse of the grid round steel of an embodiment of the present invention；
Fig. 7 is the front view of the grid round steel of an embodiment of the present invention；
Fig. 8 is the partial view of the grid round steel of an embodiment of the present invention.
In figure, 1. grid round steel fixed mechanisms；2. grid round steel；3. upper junction plate；4. grid round steel coulisse；Connect under 5.
Fishplate bar；101. connecting plate；102. fixed plate；103. hinge hole；104. semicircle groove；201. groove；401. mounting hole；402. sliding
Slot.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
Fig. 1 show a kind of embodiment of the adjustable corn threshing notch board of grid distance of the present invention, the grid
Corn threshing notch board adjustable in pitch includes grid round steel fixed mechanism 1, grid round steel 2, upper junction plate 3, two panels grid round steel
Coulisse 4 and lower connecting plate 5；
As shown in Fig. 2,3 and 4, the grid round steel fixed mechanism 1 includes connecting plate 101 and several fixed plates 102, described
The upper end of connecting plate 101 is detachably connected with upper junction plate 3；The fixed company in 102 upper end of fixed plate and the lower end of connecting plate 101
Connect, it is hinged that the lower end of fixed plate 102 is provided with hinge hole 103 and lower connecting plate 5, thus allow grid round steel fixed mechanism 1 around
Lower connecting plate 5 rotates；Several semi-circular recesses 104 are provided in the fixed plate 102.
As it can be seen in figures 5 and 6, the top of the grid round steel coulisse 4 is solid by welding with the both ends of upper junction plate 3 respectively
Fixed connection, both ends of the bottom end of grid round steel coulisse 4 respectively with lower connecting plate 5 are fixedly connected by welding；The grid circle
The top of steel coulisse 4 is provided with the mounting hole 401 for being greater than 2 diameter of grid round steel with diameter, convenient for increasing or reducing grid circle
The number of steel 2；The sliding slot 402 being connected to mounting hole 401 is equipped with along grid round steel coulisse 4 is longitudinal.
As shown in FIG. 7 and 8,2 both ends of grid round steel are provided with groove 201, groove 201 and grid round steel coulisse 4
Sliding slot 402 matches, and the grid round steel 2 is placed in semi-circular recesses 104, and the groove 201 at both ends is located in sliding slot 402,
The grid round steel 2 can slide in sliding slot 402, by the spacing of the suitable grid round steel 2 of the size selection of corn, pass through peace
Fill the quantity that hole 401 increases or reduces grid round steel 2.
Preferably, it is provided with mounting hole on the connecting plate 101 of the grid round steel fixed mechanism 1 and upper junction plate 3 passes through spiral shell
It tethers and connects, to realize the fixation of grid round steel 2 and loosen.
Preferably, the quantity of the fixed plate 102 is 2~4, can be played a supporting role.The semi-circular recesses 104
Quantity be 30~45, more spacing can be adjusted, but be unlikely to intensity reduce intensity.
Specific implementation process of the invention is that 2 spacing of grizzly bar round steel can be adjusted according to corn variety and size,
The groove 201 that the both ends of grizzly bar round steel 2 are provided with is matched with the coulisse 4 of grid round steel, realizes that the axial direction of grizzly bar round steel 2 is solid
It is fixed.The lower connecting plate 5 of 1 lower end of grid round steel fixed mechanism and threshing concave plate is hinged, and the upper junction plate 3 of upper end and threshing concave plate is logical
It crosses and is bolted fixation, when needing to adjust round steel spacing, it is only necessary to which release is bolted, so that grizzly bar round steel 2 can move
It is dynamic, it is provided with a series of semicircle groove 104 in the fixed plate 102 of grid round steel fixed mechanism 1, snaps into grizzly bar round steel 2
In different semicircle grooves 104, the adjusting of 2 spacing of grid round steel is realized.It is provided on grid round steel coulisse 4 slightly larger than grizzly bar
The mounting hole 401 of round steel diameter needs to increase or reduce the number of grizzly bar round steel 2 when 2 spacing of grizzly bar round steel becomes larger or becomes smaller
When mesh, grid round steel fixed mechanism 1 is opened, after grizzly bar round steel 2 is extracted out or added by mounting hole 401, adjusts grid round steel 2
The adjustment of 2 spacing of grid round steel is realized in position in the sliding slot 402 of grid round steel coulisse 4.The present invention can be to difference
When the corn of kind carries out threshing, the spacing of grid round steel is adjusted according to the size of the fringe diameter of corn and core diameter, solves harvest
In the case of different cultivars, various sizes of corn, grizzly bar round steel can not be adjusted according to corn situation, cause corn kernel broken
The problem that broken rate is high or grain loss rate is high promotes the Threshing of corn to reduce corn percentage of damage and loss late.
Although not each embodiment only includes one it should be appreciated that this specification describes according to various embodiments
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiments of understanding.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of adjustable corn threshing notch board of grid distance, which is characterized in that including grid round steel fixed mechanism (1), grid
Round steel (2), upper junction plate (3), two panels grid round steel coulisse (4) and lower connecting plate (5)；
The grid round steel fixed mechanism (1) includes connecting plate (101) and several fixed plates (102), the connecting plate (101)
Upper end is detachably connected with upper junction plate (3)；Fixed plate (102) upper end is fixedly connected with the lower end of connecting plate (101), Gu
It is hinged that the lower end of fixed board (102) is provided with hinge hole (103) and lower connecting plate (5)；Several semicircles are provided on the fixed plate (102)
Connected in star (104)；
The top of the grid round steel coulisse (4) is fixedly connected with the both ends of upper junction plate (3) respectively, grid round steel coulisse
(4) bottom end is fixedly connected with the both ends of lower connecting plate (5) respectively；The top of the grid round steel coulisse (4) is provided with diameter
Greater than the mounting hole (401) of grid round steel (2) diameter, longitudinally it is equipped with mounting hole (401) even along grid round steel coulisse (4)
Logical sliding slot (402)；
Grid round steel (2) both ends are provided with groove (201), the sliding slot (402) of groove (201) and grid round steel coulisse (4)
It matching, the grid round steel (2) is placed in semi-circular recesses (104), and the groove (201) at both ends is located in sliding slot (402),
The grid round steel (2) can the sliding in sliding slot (402).
2. the adjustable corn threshing notch board of grid distance according to claim 1, which is characterized in that the grid round steel is solid
Determine to be provided with mounting hole on the connecting plate (101) of mechanism (1) and be bolted with upper junction plate (3).
3. the adjustable corn threshing notch board of grid distance according to claim 1, which is characterized in that the fixed plate
(102) quantity is 2~4.
4. the adjustable corn threshing notch board of grid distance according to claim 1, which is characterized in that the semi-circular recesses
(104) quantity is 30~45.
5. the adjustable corn threshing notch board of grid distance according to claim 1, which is characterized in that the grid round steel is sliding
Both ends of the top of frid (4) respectively with upper junction plate (3) are fixedly connected by welding.
6. the adjustable corn threshing notch board of grid distance according to claim 1, which is characterized in that the grid round steel is sliding
Both ends of the bottom end of frid (4) respectively with lower connecting plate (5) are fixedly connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277687.7A CN107135748B (en) | 2017-04-25 | 2017-04-25 | A kind of adjustable corn threshing notch board of grid distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277687.7A CN107135748B (en) | 2017-04-25 | 2017-04-25 | A kind of adjustable corn threshing notch board of grid distance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107135748A CN107135748A (en) | 2017-09-08 |
| CN107135748B true CN107135748B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710277687.7A Active CN107135748B (en) | 2017-04-25 | 2017-04-25 | A kind of adjustable corn threshing notch board of grid distance |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108651016B (en) * | 2018-06-13 | 2024-01-30 | 河北中农博远农业装备有限公司 | Corn threshing concave plate capable of automatically adjusting grid spacing |
| CN110583251A (en) * | 2019-09-20 | 2019-12-20 | 新疆农业大学 | Adjustable threshing concave plate sieve device |
| CN112369214B (en) * | 2020-10-15 | 2021-11-23 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
| US11877538B1 (en) | 2022-08-30 | 2024-01-23 | Calmer Holding Company, Llc | Threshing grains and legumes utilizing concaves with adjustable openings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10210852A (en) * | 1997-01-28 | 1998-08-11 | Kubota Corp | Concave for threshing device |
| US6193604B1 (en) * | 1999-07-07 | 2001-02-27 | Deere & Company | Concave for an agricultural combine |
| CN204741897U (en) * | 2015-06-24 | 2015-11-11 | 福田雷沃国际重工股份有限公司 | Maize picker threshing concave |
| JP2016116496A (en) * | 2014-12-24 | 2016-06-30 | 三菱マヒンドラ農機株式会社 | Grating net of threshing device |
| CN205546607U (en) * | 2016-04-29 | 2016-09-07 | 约翰迪尔（天津）有限公司 | Corn harvester is with surely flowing notch board, thresher and corn harvester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9504204B2 (en) * | 2014-03-05 | 2016-11-29 | Kevin J. Kile | Removable concave threshing bars for an agricultural combine |
-
2017
- 2017-04-25 CN CN201710277687.7A patent/CN107135748B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10210852A (en) * | 1997-01-28 | 1998-08-11 | Kubota Corp | Concave for threshing device |
| US6193604B1 (en) * | 1999-07-07 | 2001-02-27 | Deere & Company | Concave for an agricultural combine |
| JP2016116496A (en) * | 2014-12-24 | 2016-06-30 | 三菱マヒンドラ農機株式会社 | Grating net of threshing device |
| CN204741897U (en) * | 2015-06-24 | 2015-11-11 | 福田雷沃国际重工股份有限公司 | Maize picker threshing concave |
| CN205546607U (en) * | 2016-04-29 | 2016-09-07 | 约翰迪尔（天津）有限公司 | Corn harvester is with surely flowing notch board, thresher and corn harvester |
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| CN107135748A (en) | 2017-09-08 |
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