CN208095214U - Maize harvesting machine stubble-cleaning assembly - Google Patents
Maize harvesting machine stubble-cleaning assembly Download PDFInfo
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- CN208095214U CN208095214U CN201820341517.0U CN201820341517U CN208095214U CN 208095214 U CN208095214 U CN 208095214U CN 201820341517 U CN201820341517 U CN 201820341517U CN 208095214 U CN208095214 U CN 208095214U
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- flail knife
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Abstract
The utility model discloses a kind of maize harvesting machine stubble-cleaning assemblies, movable arbor is by bearing and bearing block support on two pieces of vertical plates, multiple flail knife blade units are axially set along it on movable arbor, each flail knife blade unit has two groups, and circumferentially equally distributed flail knife, every group of flail knife are made of the first curved flail knife, the second curved flail knife and the straight flail knife between two curved flail knives；In the front of row's flail knife blade unit, positioning plate is set, multiple groups ledger-plate is installed on the positioning plate, every group of ledger-plate is divided into left and right two, when movable arbor rotation, it is located between the first curved flail knife and straight flail knife of corresponding flail knife blade unit with ledger-plate one of in group, another ledger-plate is between straight flail knife and the second curved flail knife.The utility model structure is simple, is easily assembled, and occupies little space, can compared under the slow-speed of revolution sufficiently, completely crushing straw, the stalk after making stubble-cleaning was both short and broken, not only reduced energy consumption, and ensure stubble-cleaning effect, was suitable for various types cornstalk.
Description
Technical field
The utility model belongs to agricultural machinery technological field, specifically, going out in particular to a kind of maize harvesting machine
Stubble assembly.
Background technique
Maize harvesting machine, according to its planting patterns, agriculture requirement, is completed with mechanical to corn in corn maturation
The work tool of the production links such as rotary tillage soil after stem cutting, harvesting, peeling, threshing, stalk processing are even gathered in.Existing jade
Stubble-cleaning (cornstalk is smashed returning to the field) assembly on rice cropper, directly interrupts cornstalk by high-speed rotating stubble-cleaning straight knife,
It but because of its revolving speed height, and is straight knife, therefore the stalk after stubble-cleaning is longer, and power drain is big, occupied space is big, is only suitable for big type
Plain corn receive use.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide a kind of corn receipts
Obtain machine stubble-cleaning assembly.
Technical solutions of the utility model are as follows：A kind of maize harvesting machine stubble-cleaning assembly, two pieces of setting left and right is vertical on the rack
Plate, it is characterised in that：Movable arbor is by bearing and bearing block support on two pieces of vertical plates, and along it, axially setting is more on movable arbor
A flail knife blade unit, these flail knife blade units are located between two pieces of vertical plates, and each flail knife blade unit is circumferentially equal with two groups
The flail knife of even distribution, every group of flail knife are made of the first curved flail knife, the second curved flail knife and the straight flail knife between two curved flail knives,
The free end of each curved flail knife is bent away from the direction of straight flail knife, bending section is formed, between the bending section and straight flail knife
Angle a be acute angle；In the front of row's flail knife blade unit, positioning plate is set, installation multiple groups ledger-plate on the positioning plate, every group
Ledger-plate corresponds to a flail knife blade unit, and every group of ledger-plate is divided into left and right two, when movable arbor rotation, with its in group
In ledger-plate be located between the first curved flail knife and straight flail knife of corresponding flail knife blade unit, another ledger-plate is located at straight flail knife
Between the second curved flail knife.
Using above technical scheme, every group of flail knife is made of the first curved flail knife, the second curved flail knife and straight flail knife, and first curved gets rid of
There is ledger-plate between knife and straight flail knife and between the second curved flail knife and straight flail knife, every group of flail knife in this way is matched with two ledger-plates
Close, when work flail knife revolving speed at 1300-1800 revs/min, can sufficiently, completely crushing straw, the stalk after making stubble-cleaning was both
It is short and broken.The utility model structure is simple, production and installation easy to process, while effectively improving stubble-cleaning effect, with lower
Revolving speed be just able to achieve functional requirement, greatly reduce energy consumption.Meanwhile the utility model occupies little space, it can be in small-sized jade
It is used on rice cropper.
Preferably, the two sides of the straight flail knife free end are symmetrically arranged with the first cutting edge face, each first cutting edge is set on face
Set the first sawtooth.
Preferably, the two sides of each curved flail knife bending section are symmetrically arranged with the second cutting edge face, each second cutting edge is set on face
Set the second sawtooth.
First curved flail knife and the second curved flail knife are symmetrical in the two sides of straight flail knife, each curved flail knife bending section and straight flail knife it
Between angle a be 30 °.Angle a is excessive or too small all easy and ledger-plate generation is interfered, and in turn results in blade and is broken；Angle a
30 ° are selected, while preventing blade interference damage, it can be ensured that stubble-cleaning effect.
In order to simplify structure, convenient for assembly, keep flail knife installation firm, two groups of flail knives of each flail knife blade unit are installed on together
On one tool apron, the installation end of every group of curved flail knife of flail knife first, straight flail knife and the second curved flail knife is respectively positioned on the two pieces small vertical of tool apron
Between plate, and it is fixedly connected by pin with small vertical plate.
Preferably, between the installation end of the in group first curved flail knife and the installation end of straight flail knife and the installation of straight flail knife
Washer is provided between end and the installation end of the second curved flail knife.
Preferably, the two sides of the ledger-plate are symmetrically arranged with third cutting edge face, third is arranged on face in each third cutting edge
Sawtooth.
In order to simplify structure, facilitates processing and fabricating, prevent ledger-plate from deforming or damaging, the ledger-plate is trapezoidal.
In order to keep positioning plate convenient for disassembly and assembly, the fixing of installation is good, and backward 90 ° of the left and right ends of the positioning plate are turned over
Side, each flange is bonded with the vertical plate of respective side, and is bolted.
For the ease of accept engine torque, the movable arbor wherein one end end be set with duplicate sprocket.
Beneficial effect：The utility model structure is simple, is easily assembled, and occupies little space, can compared under the slow-speed of revolution sufficiently,
Completely crushing straw, the stalk after making stubble-cleaning was both short and broken, not only reduced energy consumption, and ensured stubble-cleaning effect, for
Various types of cornstalks are all suitable for.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of the utility model.
Fig. 2 is the structural schematic diagram of straight flail knife.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural schematic diagram of the first curved flail knife.
Fig. 5 is the top view of Fig. 4.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, the two pieces of vertical plates 8 in left and right are fixedly mounted on the rack, this two pieces of vertical plates 8 are parallel to each other.Movable arbor 1 hangs down
Direct puncture crosses two pieces of vertical plates 8, and the left end of movable arbor 1 is supported on the vertical plate 8 of one piece of the left side by bearing and bearing block 9, movable arbor 1
Right end is supported on the one piece of vertical plate 8 in the right by another set of bearing and bearing block 9.The end suit of the wherein one end of movable arbor 1 is double
Join sprocket wheel 12, which is connected by the engine or gearbox of chain-drive mechanism and maize harvesting machine.
As shown in Figures 1 to 5, multiple flail knife blade units, these flail knife blade unit positions are axially set along it on movable arbor 1
Between two pieces of vertical plates 8, determine according to actual needs, the present embodiment is preferably four to the number of flail knife blade unit, and two adjacent get rid of
The distance between blade unit is equal.Each flail knife blade unit has two groups of circumferentially equally distributed flail knives, every group of flail knife
It is made of the first curved flail knife 2, the second curved flail knife 3 and the straight flail knife 4 between two curved flail knives, the two of each flail knife blade unit
Group flail knife is installed on the same tool apron 7, and tool apron 7 is fixedly set on movable arbor 1.
As shown in Figure 1, the installation end of every group of curved flail knife 2 of flail knife first, straight flail knife 4 and the second curved flail knife 3 is respectively positioned on tool apron 7
Two pieces of small vertical plates 71 between, and be fixedly connected with small vertical plate 71 by pin.With the installation end of the in group first curved flail knife 2 and straight
Washer is provided between the installation end of flail knife 4 and between the straight installation end of flail knife 4 and the installation end of the second curved flail knife 3.
As shown in Figures 1 to 5, the first curved flail knife 2 and the second curved flail knife 3 are symmetrical in the two sides of straight flail knife 4, each curved
The free end of flail knife is bent away from the direction of straight flail knife 4, forms bending section, the folder between the bending section and straight flail knife 4
Angle a is acute angle.Determine according to actual needs, the present embodiment is 30 ° to the size of angle a.The two sides of 4 free end of straight flail knife
It is symmetrically arranged with the first cutting edge face, the first sawtooth 5 is set on each first cutting edge face.The two sides of each curved flail knife bending section are symmetrically set
It is equipped with the second cutting edge face, the second sawtooth 6 is set on each second cutting edge face.
As shown in Figure 1, row's flail knife blade unit front be arranged positioning plate 10, the left and right ends of the positioning plate 10 to
90 ° of flange afterwards, each flange is bonded with the vertical plate 8 of respective side, and is bolted.It is fixed that multiple groups are fixedly mounted on positioning plate 10
Blade 11, every group of one flail knife blade unit of correspondence of ledger-plate 11, and every group of ledger-plate 11 is divided to control two, when movable arbor 1 revolves
When turning, it is located between the first curved flail knife 2 of corresponding flail knife blade unit and straight flail knife 4 with ledger-plate 11 one of in group,
Another ledger-plate 11 is between straight flail knife 4 and the second curved flail knife 3.Ledger-plate 11 is preferably trapezoidal, the two sides of ledger-plate 11
It is symmetrically arranged with third cutting edge face, third sawtooth is set on each third cutting edge face.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (10)
1. the two pieces of vertical plates (8) in left and right are arranged in a kind of maize harvesting machine stubble-cleaning assembly on the rack, it is characterised in that：Movable arbor (1)
It is supported on two pieces of vertical plates (8) by bearing and bearing block (9), multiple flail knife piece lists is axially set along it on movable arbor (1)
Member, these flail knife blade units are located between two pieces of vertical plates (8), and each flail knife blade unit is circumferentially equally distributed with two groups
Flail knife, every group of flail knife is by the first curved flail knife (2), the second curved flail knife (3) and straight flail knife (4) group between two curved flail knives
Bent away from the direction of straight flail knife (4) at, the free end of each curved flail knife, form bending section, the bending section with directly get rid of
Angle a between knife (4) is acute angle；Positioning plate (10) are set in the front of row's flail knife blade unit, are pacified on the positioning plate (10)
It fills multiple groups ledger-plate (11), the corresponding flail knife blade unit of every group of ledger-plate (11), and every group of ledger-plate (11) is divided into left and right two
A, when movable arbor (1) rotation, be located at corresponding flail knife blade unit with ledger-plate (11) one of in group first curved is got rid of
Between knife (2) and straight flail knife (4), another ledger-plate (11) is located between straight flail knife (4) and the second curved flail knife (3).
2. maize harvesting machine stubble-cleaning assembly as described in claim 1, it is characterised in that：The two of straight flail knife (4) free end
Side is symmetrically arranged with the first cutting edge face, and the first sawtooth (5) are arranged on each first cutting edge face.
3. maize harvesting machine stubble-cleaning assembly as claimed in claim 2, it is characterised in that：The two sides pair of each curved flail knife bending section
Title is provided with the second cutting edge face, and the second sawtooth (6) are arranged on each second cutting edge face.
4. the maize harvesting machine stubble-cleaning assembly as described in claims 1 or 2 or 3, it is characterised in that：First curved flail knife (2) and
Two curved flail knives (3) are symmetrical in the two sides of straight flail knife (4), and the angle a between each curved flail knife bending section and straight flail knife (4) is
30°。
5. maize harvesting machine stubble-cleaning assembly as claimed in claim 4, it is characterised in that：Two groups of flail knives of each flail knife blade unit
Be installed on the same tool apron (7), every group of first curved flail knife of flail knife (2), straight flail knife (4) and the second curved flail knife (3) installation end
It is respectively positioned between two pieces of small vertical plates (71) of tool apron (7), and is fixedly connected by pin with small vertical plate (71).
6. maize harvesting machine stubble-cleaning assembly as claimed in claim 5, it is characterised in that：With the peace of the in group first curved flail knife (2)
It fills between end and the installation end of straight flail knife (4) and directly equal between the installation end of flail knife (4) and the installation end of the second curved flail knife (3)
It is provided with washer.
7. the maize harvesting machine stubble-cleaning assembly as described in claims 1 or 2 or 3 or 5 or 6, it is characterised in that：The ledger-plate
(11) two sides are symmetrically arranged with third cutting edge face, and third sawtooth is arranged on each third cutting edge face.
8. maize harvesting machine stubble-cleaning assembly as claimed in claim 7, it is characterised in that：The ledger-plate (11) is trapezoidal.
9. maize harvesting machine stubble-cleaning assembly as claimed in claim 7, it is characterised in that：The left and right ends of the positioning plate (10)
90 ° of flange backward, each flange is bonded with the vertical plate (8) of respective side, and is bolted.
10. the maize harvesting machine stubble-cleaning assembly as described in claims 1 or 2 or 3 or 5 or 6 or 8 or 9, it is characterised in that：It is described
Movable arbor (1) wherein one end end be set with duplicate sprocket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820341517.0U CN208095214U (en) | 2018-03-13 | 2018-03-13 | Maize harvesting machine stubble-cleaning assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820341517.0U CN208095214U (en) | 2018-03-13 | 2018-03-13 | Maize harvesting machine stubble-cleaning assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208095214U true CN208095214U (en) | 2018-11-16 |
Family
ID=64127146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820341517.0U Active CN208095214U (en) | 2018-03-13 | 2018-03-13 | Maize harvesting machine stubble-cleaning assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208095214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113261435A (en) * | 2021-05-12 | 2021-08-17 | 山东理工大学 | Double-roller flail knife and straight knife combined type rice and wheat crushed straw uniform scattering device |
-
2018
- 2018-03-13 CN CN201820341517.0U patent/CN208095214U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113261435A (en) * | 2021-05-12 | 2021-08-17 | 山东理工大学 | Double-roller flail knife and straight knife combined type rice and wheat crushed straw uniform scattering device |
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