CN107493812A - Grazing Brassica napus combined harvester shredding mechanism - Google Patents
Grazing Brassica napus combined harvester shredding mechanism Download PDFInfo
- Publication number
- CN107493812A CN107493812A CN201710729004.7A CN201710729004A CN107493812A CN 107493812 A CN107493812 A CN 107493812A CN 201710729004 A CN201710729004 A CN 201710729004A CN 107493812 A CN107493812 A CN 107493812A
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- China
- Prior art keywords
- chopper
- knife
- flat board
- hobboing cutter
- stationary knife
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/08—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters
- A01D43/086—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters and means for collecting, gathering or loading mown material
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention discloses a kind of grazing Brassica napus combined harvester shredding mechanism, including support frame, lower encioser, upper encloser and stationary knife combination, and flat board hobboing cutter chopper；The flat board hobboing cutter chopper pedestal of flat board hobboing cutter chopper including hollow cylindrical, chopper floor and the chopper main shaft for stretching out chopper floor respectively axially across flat board hobboing cutter chopper pedestal and both ends, and two group moving knife gripper shoe groups of the soldering on flat board hobboing cutter chopper pedestal, the both ends of chopper main shaft are fixed on the curb girder of the support frame both sides by rolling bearing units respectively.Chopper knife is staggered using bilateral, and interval of arranging meet it is previous when moving knife sword is left stalk layer, it is next moving knife blade just into stalk layer, to realize chopper, load suffered by drum shaft is uniform at work, it is small to fluctuate；Bilateral is staggered to gather conveying to centre by material, avoid material from shedding and be deposited in case two side walls, thrown beneficial to material to Material collecting box for harvesting.
Description
Technical field
The invention belongs to grazing Brassica napus combined harvester technical field, and in particular to a kind of grazing Brassica napus combined harvester is used
Shredding mechanism.
Background technology
In Middle And Lower Reaches of Changjiang River is the main producing region of China's cole crop.Rape is not only important oil crops, its plant
It is also used as green forage and ensiling etc..Exploitation grazing Brassica napus is the important measure of " grain changes feeding " policy.Double low grazing Brassica napus
Strong adaptability, easily cultivation, yield is high, growth is fast, cost is low, good feeding effect, is high-quality green and rough feeds and Chun Dong forage grasses
Important sources.Promote the fast development of In Middle And Lower Reaches of Changjiang River grazing Brassica napus crop, promote agriculture and animal husbandry breeding depth integration, light letter
Efficient mechanization production technology is crucial.In the prior art, the shredding mechanism of grazing Brassica napus combined harvester is due to blade number
Amount few (4), cutting mode are tangent, cause the rotating speed height of shredding mechanism, power consumption is big, chopping performance is bad, throws ability
The problems such as, stalk occurs easily to get congestion cut again after because throwing not in time, reduces equipment chopping performance and service efficiency.
The content of the invention
The purpose of the present invention is the deficiency for above-mentioned technology, there is provided a kind of reliability is high, shred and to throw ability strong
Grazing Brassica napus combined harvester shredding mechanism.
To achieve the above object, the grazing Brassica napus combined harvester shredding mechanism designed by the present invention, including carriage
Frame, the lower encioser in the support frame, the upper encloser of cavity in being formed is installed with the lower encioser pairing and is arranged on
Stationary knife combination in the support frame, and it is built in the flat board hobboing cutter chopper of the hollow intracavitary；The lower encioser
Foreboard is provided with the charging aperture connected with the middle cavity, and the material casting connected with the middle cavity is provided with inside the upper encloser and is led to
Road；
The flat board hobboing cutter chopper includes the flat board hobboing cutter chopper pedestal of hollow cylindrical, two difference soldering in institute
State the chopper floor at flat board hobboing cutter chopper pedestal both ends and axially across the flat board hobboing cutter chopper pedestal and both ends
Stretch out the chopper main shaft of the chopper floor respectively, and two groups on the flat board hobboing cutter chopper pedestal of soldering move
Knife gripper shoe groups, the both ends of the chopper main shaft are fixed on the curb girder of the support frame both sides by rolling bearing units respectively
On；Moving knife gripper shoe groups described in two groups include several along the circumferential direction uniform soldering in the flat board hobboing cutter chopper pedestal
On moving knife supporting plate, the moving knife supporting plate number of moving knife gripper shoe groups described in two groups is equal and is alternately arranged；It is each described dynamic
A piece of moving knife is provided with by moving knife backplate in knife supporting plate.
The stationary knife combination includes the stationary knife supporting plate being arranged in the support frame and supported installed in the stationary knife
A piece of stationary knife on plate, and the stationary knife is located at the front of the charging aperture.
Further, each moving knife installation top rake by 28 ° be progressively incremented to 40 °, inclination angle be 4 °~6 °, moving knife
The basil of cutting edge is 18 °~22 °；The basil of the stationary knife cutting edge is 65~75 °, and the stationary knife cutting edge and the flat board hobboing cutter
The distance between vertical central plane of chopper pedestal axial direction is 28~32mm.
Further, each moving knife installation top rake by 30 ° be progressively incremented to 37 °, inclination angle be 5 °, moving knife cutting edge
The basil be 20 °；The basil of the stationary knife cutting edge is 70 °, and the stationary knife cutting edge and the flat board hobboing cutter chopper pedestal axle
The distance between vertical central plane to direction is 30mm.
Further, the upper encloser include be arranged on the lower encioser above and by bolt be fixed on it is described under
Hollow upper encloser body on case and the material casting cylinder at the hollow upper encloser body material casting mouth, and the material casting is led to
Road is located at the inside of the material casting cylinder；The material casting mouth of the hollow upper encloser body is square material casting mouth, the material casting passage
Cross section is square face.
Further, the stationary knife is provided with the mounting hole that several are engaged with the stationary knife supporting plate upper bolt hole,
And the regulation direction of each mounting hole and the edge direction of the stationary knife are arranged vertically；Moving knife and institute close to the stationary knife
The cutting adjustment gap stated between stationary knife is 0~0.4mm.
Further, the biside plate of the lower encioser has the breach passed through for the chopper main shaft both ends, and
Each equal soldering of indentation, there has a case side plate, is provided with the case side plate and is passed through for the chopper spindle nose
Fixing groove.
Further, the radial direction minimum clearance between the flat board hobboing cutter chopper and the upper encloser and the lower encioser
It is not less than 7mm.
Compared with prior art, the present invention has advantages below：
1st, there is chopper structure design to be simple to manufacture, and chopping is stable, and expulsion performance is good, while meets high efficiency low energy
Consumption, the abrasion to blade is small and reduces sharpening cost etc..
2nd, chopper knife is staggered using bilateral, and interval of arranging meet it is previous when moving knife sword is left stalk layer,
It is next moving knife blade just into stalk layer, with realize chopper at work load suffered by drum shaft uniformly, fluctuation it is small.
3rd, find that the bilateral of the chopper is staggered can be by thing with unilateral plate cylinder type cutterhead contrast on the market
Expect to gather conveying to centre, avoid material from shedding and be deposited in case two side walls, thrown beneficial to material to Material collecting box for harvesting.
4th, experiment shows：The chopping result of the chopper is good, and chopping length is uniform, and otch is neat.
Brief description of the drawings
Fig. 1 is grazing Brassica napus combined harvester overall structure diagram；
Fig. 2 is grazing Brassica napus combined harvester shredding mechanism structural representation of the present invention；
Fig. 3 is Fig. 2 structural decomposition diagrams；
Fig. 4 is Fig. 3 middle plateform hobboing cutter chopper structural representations；
Fig. 5 is Fig. 4 middle plateform hobboing cutter chopper base construction schematic diagrams.
In figure：Harvesting device 1, feeding conveyer 2, underpan walking device 3, shredding mechanism 4, the device for discharging 5 that gathers materials, on
Case 6 is (wherein：Hollow upper encloser body 6.1, material casting cylinder 6.2, material casting mouth 6.3), case side plate 7 (wherein：Fixing groove 7.1),
Middle cavity 8, rolling bearing units 9, lower encioser 10 are (wherein：Breach 10.1, side plate 10.2), support frame 11 (wherein：Curb girder 11.1),
Stationary knife supporting plate 12, stationary knife 13 are (wherein：Mounting hole 13.1), flat board hobboing cutter chopper 14, flat board hobboing cutter chopper pedestal 15, cut
Millstone main shaft 16, chopper floor 17, moving knife supporting plate 18, moving knife backplate 19, moving knife 20, charging aperture 21.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
It is grazing Brassica napus combined harvester overall structure diagram of the present invention as shown in Figure 1, including harvesting device 1, feeding
Conveying device 2, underpan walking device 3, shredding mechanism 4 and the device for discharging 5 that gathers materials.It is shredding mechanism 4 of the present invention as shown in Figure 2,3
Schematic diagram, including support frame 11, the lower encioser 10 in support frame 11 and the pairing of lower encioser 10 install cavity in being formed
8 upper encloser 6, the stationary knife combination in support frame 11 and the flat board hobboing cutter chopper 14 being built in middle cavity 8.Its
In, the foreboard of lower encioser 10 be provided with connected with middle cavity 8 charging aperture 21 (in the present embodiment, lower encioser 10 it is a diameter of
520mm, width 610mm, and charging aperture 21 is 604mm × 115mm square charging aperture)；Upper encloser 6 includes being arranged on lower cover
The top of shell 10 and hollow upper encloser body 6.1 on lower encioser 10 is fixed on and installed in hollow upper encloser sheet by bolt
Material casting cylinder 6.2 at the material casting mouth 6.3 of body 6.1, the inside of material casting cylinder 6.2 are provided with the material casting passage being connected with material casting mouth 6.3, this
The material casting mouth 6.3 of hollow upper encloser body 6.1 is square material casting mouth in embodiment, and similarly, the cross section of material casting passage is square
Face；During connection, the flange of hollow upper encloser body 6.1 and the flange pairing of lower encioser 10, the then hollow He of upper encloser body 6.1
The bolt hole of 10 respective flange of lower encioser is bolted to connection with the bolt hole in support frame 11.
With reference to shown in Fig. 4, Fig. 5, flat board hobboing cutter chopper pedestal 15 of the flat board hobboing cutter chopper 14 including hollow cylindrical,
Chopper floor 17 (i.e. chopper floor 17 soldering of two difference soldering at the both ends of flat board hobboing cutter chopper pedestal 15
It is another in flat board hobboing cutter chopper pedestal 15 in the one end of flat board hobboing cutter chopper pedestal 15, another soldering of chopper floor 17
End, so as to form the cylindrical drum of a closing), axially across flat board hobboing cutter chopper pedestal 15 and both ends stretch out chopping respectively
Two group moving knife gripper shoe groups of the chopper main shaft 16 and soldering of device floor 17 on flat board hobboing cutter chopper pedestal 15.Wherein,
The both ends of chopper main shaft 16 are fixed on (i.e. chopper on the curb girder 11.1 of the both sides of support frame 11 by rolling bearing units 9 respectively
One end of main shaft is fixed on by rolling bearing units 9 on the curb girder 11.1 of the side of support frame 11, the other end of chopper main shaft 16
It is fixed on by rolling bearing units 9 on the curb girder 11.1 of the opposite side of support frame 11, as shown in Figure 3)；In order to prevent middle cavity 8 from leaking
Material, the biside plate 10.2 of lower encioser 10 have the breach 10.1 passed through for the both ends of chopper main shaft 16, and each breach
Equal soldering has a case side plate 7 at 10.1, and the fixing groove 7.1 passed through for the end of chopper main shaft 16 is provided with case side plate 7
(as shown in Figure 3)；In addition, the tactical diameter of the moving knife cutting edge of the present embodiment middle plateform hobboing cutter chopper 14 is 500mm, ensure flat board
Minimum clearance between hobboing cutter chopper 14 and upper encloser 6 and lower encioser 10 is not less than 17mm.
Again as shown in figure 4, two groups of moving knife gripper shoe groups include several along the circumferential direction uniform soldering in flat board rolling
Moving knife supporting plate 18 on knife chopper pedestal 15,18 numbers of moving knife supporting plate of two groups of moving knife gripper shoe groups are equal and alternately equal
Cloth, and a piece of moving knife 20 is provided with by moving knife backplate 19 in each moving knife supporting plate 18, each arrangement of moving knife 20 interval is full
Foot is previous when moving knife sword is left stalk layer, it is next moving knife blade just into stalk layer, to realize chopper at work
Load suffered by drum shaft is uniform, fluctuation is small；Found with unilateral plate cylinder type cutterhead contrast on the market, pair of the chopper
Side is staggered to gather conveying to centre by material, avoid material from shedding and be deposited in case two side walls, beneficial to material to
Material collecting box for harvesting is thrown；Stationary knife combination includes the stationary knife supporting plate 12 being arranged in support frame 11 and in stationary knife supporting plate 12
A piece of stationary knife 13, and stationary knife 13 is located at the front of charging aperture 21；Experiment shows that the installation top rake of moving knife 20 is bigger, its
It is better to shred performance, but expulsion performance is poorer；To shred difficulty small because water content is high for suitable receipts phase rape stem, to take into account chopper
Expulsion performance takes moving knife installation top rake to be progressively incremented to 40 ° (installation top rake is a continuously incremental variable) by 28 °, moves
The slip cutting angle of knife also becomes big with the increase at inclination angle, is limited by chopping cylinder structure, and it is 4 °~6 ° that inclination angle is taken in design, is moved
The basil of edge is 18 °~22 °, and the incline direction at moving knife inclination angle is the radial center for pointing to flat board hobboing cutter chopper pedestal
Face is horizontal upwards, and the 18 equal soldering of moving knife supporting plate in flat board hobboing cutter chopper pedestal 15 radially, so as to left and right, two groups are moved
Knife gripper shoe groups simultaneously uniformly arrange into " people " font；The basil of stationary knife cutting edge is 65~75 °, and stationary knife cutting edge is cut with flat board hobboing cutter
The distance between vertical central plane of millstone pedestal axial direction is 28~32mm.In the present embodiment, each moving knife is selected
Cr12MoV is manufactured, and cutting edge position is by quenching and temper, and a width of 25~35mm of quenching zone, hardness is HRC 58~65, non-
Quenching zone hardness is not more than HRC 38, and cutting edge position sharpening width is not more than 0.2mm, and each moving knife installs top rake by 30 °
Progressively be incremented to 37 °, inclination angle be 5 °, the basil of moving knife cutting edge be 20 °；The material selection Cr12MoV manufactures of stationary knife 13, cutting edge
Position is HRC 58~65 by quenching and temper, a width of 25~35mm of quenching zone, hardness, and non-quenching band hardness is not more than
HRC 38, cutting edge position sharpening width is not more than 0.2mm, and the basil of stationary knife cutting edge is 70 °, and stationary knife cutting edge and flat board hobboing cutter
The distance between vertical central plane of chopper pedestal axial direction is 30mm.
In addition, stationary knife 13 is provided with the mounting hole 13.1 that several are engaged with the upper bolt hole of stationary knife supporting plate 12, and often
The regulation direction of individual mounting hole 13.1 and the edge direction of stationary knife are arranged vertically so that and the position of stationary knife 13 front and rear can be adjusted, so as to
The clearance adjustment function between moving knife 20 and stationary knife 13 is realized, and the cutting between the moving knife 20 and stationary knife 20 of stationary knife 13 is adjusted
Whole gap is 0~0.4mm.
Claims (7)
- A kind of 1. grazing Brassica napus combined harvester shredding mechanism, it is characterised in that：Including support frame (11), embedded in the branch Lower encioser (10) and the lower encioser (10) pairing in support frame frame (11) install the upper encloser (6) of cavity (8) and peace in being formed Stationary knife combination in the support frame (11), and the flat board hobboing cutter chopper being built in the middle cavity (8) (14)；The foreboard of the lower encioser (10) is provided with the charging aperture (21) connected with the middle cavity (8), and the upper encloser (6) is interior Portion is provided with the material casting passage connected with the middle cavity (8)；The flat board hobboing cutter chopper (14) includes the flat board hobboing cutter chopper pedestal (15) of hollow cylindrical, two difference soldering Shredded in the chopper floor (17) at flat board hobboing cutter chopper pedestal (15) both ends and axially across the flat board hobboing cutter The chopper main shaft (16) of the chopper floor (17) is stretched out at device pedestal (15) and both ends respectively, and soldering is in the flat board Two groups of moving knife gripper shoe groups on hobboing cutter chopper pedestal (15), the both ends of the chopper main shaft (16) pass through axle of usheing to seat respectively (9) are held to be fixed on the curb girder (11.1) of the support frame (11) both sides；Moving knife gripper shoe groups described in two groups include some Moving knife supporting plate (18) of the individual along the circumferential direction uniform soldering on the flat board hobboing cutter chopper pedestal (15), moved described in two groups Moving knife supporting plate (18) number of knife gripper shoe groups is equal and is alternately arranged；By dynamic on each moving knife supporting plate (18) Knife backplate (19) is provided with a piece of moving knife (20).The stationary knife combination includes the stationary knife supporting plate (12) being arranged in the support frame (11) and installed in the stationary knife A piece of stationary knife (13) in supporting plate (12), and the stationary knife (13) is located at the front of the charging aperture (21).
- 2. grazing Brassica napus combined harvester shredding mechanism according to claim 1, it is characterised in that：Each moving knife (20) install top rake by 28 ° be progressively incremented to 40 °, inclination angle be 4 °~6 °, the basil of moving knife be 18 °~22 °；The stationary knife (13) basil of cutting edge is 65~75 °, and the stationary knife (13) cutting edge and flat board hobboing cutter chopper pedestal (15) the axial direction side To the distance between vertical central plane be 28~32mm.
- 3. grazing Brassica napus combined harvester shredding mechanism according to claim 1 or claim 2, it is characterised in that：It is each described dynamic Knife (20) install top rake by 30 ° be progressively incremented to 37 °, inclination angle be 5 °, the basil of moving knife be 20 °；Stationary knife (13) sword During the basil of mouth is 70 °, and the stationary knife (13) cutting edge is vertical with flat board hobboing cutter chopper pedestal (15) axial direction The distance between heart face is 30mm.
- 4. grazing Brassica napus combined harvester shredding mechanism according to claim 1 or claim 2, it is characterised in that：The upper encloser (6) include being arranged on above the lower encioser (10) and the hollow upper cover on the lower encioser (10) is fixed on by bolt Shell body (6.1) and the material casting cylinder (6.2) installed in hollow upper encloser body (6.1) material casting mouth (6.3) place, and the throwing Material passage is located at the inside of the material casting cylinder (6.2)；The material casting mouth (6.3) of the hollow upper encloser body (6.1) is square throwing Material mouth, the cross section of the material casting passage is square face.
- 5. grazing Brassica napus combined harvester shredding mechanism according to claim 1 or claim 2, it is characterised in that：The stationary knife (13) several mounting holes (13.1) being engaged with stationary knife supporting plate (12) upper bolt hole, and each waist are provided with The regulation direction in shape hole (13.1) and the edge direction of the stationary knife (13) are arranged vertically；Close to the moving knife of the stationary knife (13) (20) the cutting adjustment gap between the stationary knife (13) is 0~0.4mm.
- 6. grazing Brassica napus combined harvester shredding mechanism according to claim 1 or claim 2, it is characterised in that：The lower encioser (10) biside plate (10.2) has the breach (10.1) passed through for chopper main shaft (16) both ends, and each described The equal soldering in breach (10.1) place has a case side plate (7), is provided with the case side plate (7) for the chopper main shaft (16) The fixing groove (7.1) that end passes through.
- 7. grazing Brassica napus combined harvester shredding mechanism according to claim 1 or claim 2, it is characterised in that：The flat board rolling Radial direction minimum clearance between knife chopper (14) and the upper encloser (6) and the lower encioser (10) is not less than 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729004.7A CN107493812B (en) | 2017-08-23 | 2017-08-23 | Forage rape combine harvester is with comminution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729004.7A CN107493812B (en) | 2017-08-23 | 2017-08-23 | Forage rape combine harvester is with comminution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107493812A true CN107493812A (en) | 2017-12-22 |
| CN107493812B CN107493812B (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710729004.7A Active CN107493812B (en) | 2017-08-23 | 2017-08-23 | Forage rape combine harvester is with comminution device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107493812B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419503A (en) * | 2018-06-12 | 2018-08-21 | 新疆新研牧神科技有限公司 | Disconnecting device and cropper |
| CN112913440A (en) * | 2021-01-20 | 2021-06-08 | 农业农村部南京农业机械化研究所 | Cutting and throwing device for self-propelled intelligent peanut seedling harvester and peanut seedling harvesting method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419503A (en) * | 2018-06-12 | 2018-08-21 | 新疆新研牧神科技有限公司 | Disconnecting device and cropper |
| CN112913440A (en) * | 2021-01-20 | 2021-06-08 | 农业农村部南京农业机械化研究所 | Cutting and throwing device for self-propelled intelligent peanut seedling harvester and peanut seedling harvesting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107493812B (en) | 2022-12-20 |
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