CN206353990U - A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism - Google Patents
A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism Download PDFInfo
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- CN206353990U CN206353990U CN201621479406.3U CN201621479406U CN206353990U CN 206353990 U CN206353990 U CN 206353990U CN 201621479406 U CN201621479406 U CN 201621479406U CN 206353990 U CN206353990 U CN 206353990U
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- hobboing cutter
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- straw
- returning
- stationary knife
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Abstract
A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism, including installation frame, installed on installation frame and be provided with hobboing cutter group device and stationary knife group device, hobboing cutter group device connects a transmission device, hobboing cutter group device includes a roller, roller is provided with hob assembly, hob assembly includes some hobboing cutter units, two in 180 ° of paralleloscopes as the hobboing cutter unit of symmetry arrangement constitutes a hobboing cutter unit group, roller end is respectively equipped with a hobboing cutter unit group, remaining position of roll circumference surface is provided with some in the hobboing cutter unit assembly being intervally arranged, hobboing cutter unit assembly is along the circumferential direction mutually made up of three groups of hobboing cutter unit groups in 60 ° of angles are staggered, stationary knife group device includes stationary knife installing plate, arrangement is provided with some stationary knife units on stationary knife installing plate.The utility model improves the chopping result of stalk by optimization design, is conducive to straw-returning, strengthens environmental-protecting performance.
Description
Technical field
The utility model is related to united reaper technical field, and more particularly to a kind of longitudinal axial-flow type united reaper stalk is also
Field shredding mechanism.
Background technology
At present, the stalk after the threshing of longitudinal axial-flow type full-feeding combine harvester is typically directly discharged to field from threshing cavity
Between, because the stalk of discharge is longer, fall on not perishable behind field, influence succession crop growth；In order to solve this problem,
Peasant household often burns to the stalk for falling on field, and this not only pollutes environment, also destroys the organic principle of stalk so that
Stalk can not returning to the field well.
In order that the stalk preferably returning to the field of discharge, generally installs stalk chopper additional in the straw outlet of threshing cavity.It is existing
Full-feeding combine harvester generally stalk is smashed using rotary movable blades form, due to this broken careless form to beat
Based on hitting, it is desirable to have certain hitting power, exist consumption power it is larger, use cost is high, Difficulty defect.
In order to solve the above technical problems, notification number discloses a kind of longitudinal axial flow joint for CN201541496U patent document
Harvester straw-returning shredding mechanism, including framework, cutter shaft, stationary knife and moving knife, the moving knife being made up of two cutting blades are symmetrically pacified
On cutter shaft, one end of cutter shaft is provided with driven sprocket；The knife fixing plate concentric with cutter shaft is fixed with framework；The stationary knife
It is screwed onto on knife fixing plate；Gap is left between the cutting blade on cutter shaft, it can directly cut the stalk after threshing
It is broken, then shed away.Above-mentioned shredding mechanism is connected by pivot with longitudinal axial flow harvester, is accepted and is arranged from the straw outlet of harvester
The stalk gone out.Notification number discloses a kind of longitudinal axial flow harvester straw counters-field set for CN201571355U patent document, wraps
Support, drive disk assembly, shredder mechanism are included, it is arranged at the discharge gate of harvester rear end, the stalk of discharge has been shredded.
Notification number discloses a kind of full-feeding combine harvester straw chopping apparatus for CN102090228A patent document, including sets
The independent moving knife on independent movable arbor is put, and matches somebody with somebody the stationary knife for closing shear action with the independent moving knife, the independence is moved
Knife is rotated by actuating unit, in addition to one is located at threshing cutter reel back segment and is arranged on the threshing cutter reel
Threshing toothed bar on attached moving knife, the attached moving knife and the independent moving knife are with closing shear action.In above-mentioned document
The combination of moving knife and stationary knife has certain shear action in chopping, but due to the discharge of full-feeding combine harvester threshing cylinder
Stalk amount it is very big, moving knife and stationary knife combination chopping during, the arrangement architecture of moving knife serves vital effect,
But the arrangement that can be seen that moving knife by accompanying drawing in existing above-mentioned document uses cross-shaped arrangement structure, it was being shredded
Cheng Zhong, straw chopping degree not enough, have impact on overall chopping result, while during straw chopping, stalk aster is easily
It is caught in rolling process in transmission device, causes transmission device abnormal accident occur, influence is used.
Utility model content
The purpose of this utility model is that solve above-mentioned deficiency cuts there is provided a kind of longitudinal axial-flow type united reaper straw-returning
Crushing device, by optimization design, improves straw chopping effect, strengthens equipment runnability, be conducive to straw-returning, enhance
Environmental-protecting performance.
The technical problem that the utility model is solved can be realized using following technical scheme：
Pacify on a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism, including installation frame, the installation frame
It is equiped with hobboing cutter group device and the stationary knife group device of shear action, the hobboing cutter assembling is closed for matching somebody with somebody with the hobboing cutter group device
Put the convenient completion driving of one transmission device of connection to rotate, the hobboing cutter group device includes a roller, and the roller is provided with hobboing cutter
Component, the hob assembly includes some hobboing cutter units, and the hobboing cutter unit is complete by fastener by roll blade and hob head
Into being fastenedly connected, the hob head is welded on the roll circumference surface, and the roll blade is one in the thin of isosceles trapezoid shape
Blade, the roll blade base conveniently suits for the circular arc slot structure of indent with the roll circumference surface, and two are put down in 180 °
The hobboing cutter unit of row specular arrangement constitutes a hobboing cutter unit group, and the roller end is respectively equipped with a hobboing cutter unit group, institute
Remaining position of roll circumference surface is stated provided with some in the hobboing cutter unit assembly being intervally arranged, the hobboing cutter unit assembly by
Three groups of hobboing cutter unit groups are along the circumferential direction mutually constituted in 60 ° of angles are staggered, and three groups of hobboing cutter unit groups are in for different level
It is intervally arranged, the stationary knife group device includes arrangement on stationary knife installing plate, the stationary knife installing plate and is provided with some stationary knife units, institute
State stationary knife unit as two panels be in erect straight arranged ledger-plate and positioned at two panels described in connecting plate one between ledger-plate bottom into
Type is constituted, and the connecting plate is installed crab bolt with the stationary knife and is fixedly connected.
Installing plate of the installation frame by superposed cover plate and positioned at cover plate both sides is constituted, on front side of the installing plate
Side middle part is provided with a mounting groove, and the mounting groove is provided with a reinforcing plate in horizontally disposed at the mounting groove otch, described to add
Strong plate is in being vertically arranged, and the reinforcing plate is fixedly connected by bolt with installing plate.
Roller one end is provided with the first shaft coupling, and the other end is provided with the second shaft coupling, and transmission device includes first bearing seat, the second axle
Bearing and belt pulley, first shaft coupling coordinates through the mounting groove with the first bearing seat to be installed, second shaft coupling
Coordinate through the mounting groove of opposite side with the second bearing seat and belt pulley and install, the second shaft coupling front end is provided with a flat key
Groove, the pulley centers hole is provided with a flat key open slot, and the flat key groove and the flat key open slot corresponding matching are simultaneously inlayed
An embedding flat key, the second shaft coupling front end face is provided with bolt on a mounting hole, the mounting hole and fastens a safety plate.
Stationary knife installing plate two ends are fixedly connected with the installing plate bottom bolts.
Also include the anti-grass circle of two choppings, two anti-grass circles of chopping are located at the roller two ends respectively, described in two
The anti-grass circle of chopping completes fastening by fastener hole described in bolt-through with the first bearing seat and second bearing seat respectively and installed,
The anti-grass circle internal diameter size of chopping is more than the roller outside dimension.
Hood after also including one, fastens positioned at installation frame rear portion and the installation frame bolt and installs, the rear hood
Bottom is provided with some Lysimachia sikokiana guide plates in equi-spaced apart parallel arrangement.
The Lysimachia sikokiana guide plate is made up of guide plate installing plate and guide plate, and guide plate installing plate is located at guide plate top,
Guide plate installing plate coordinates with the rear hood upper surface to be installed, and the rear hood upper surface is provided with some regulation notches.
Also include a belt hub cap, the belt hub cap is located on the outside of belt pulley, and the belt hub cap is with installing
Crab bolt fastening is installed.
The utility model has following outstanding advantages and effect compared with prior art：The utility model is set by optimization
Meter, improves hobboing cutter group device, rationally arrangement hobboing cutter unit, improves the chopping result of stalk, while setting the anti-grass circle of chopping, increases
The strong barrier propterty to transmission device, strengthens equipment runnability, with reference to rear hood structure, facilitates the discharge of stalk, favorably
In straw-returning, environmental-protecting performance is enhanced.
The characteristics of the utility model, see the detailed description of this case schema and following preferable embodiment and obtain clear
Ground understands.
Brief description of the drawings
Fig. 1 is overall decomposition texture schematic diagram of the present utility model；
Fig. 2 is installation frame of the present utility model and rear hood mounting structure schematic diagram；
Fig. 3 is hobboing cutter group device front-end architecture schematic diagram of the present utility model；
Fig. 4 is that hobboing cutter of the present utility model assembling postpones end structure schematic diagram；
Fig. 5 is hobboing cutter unit arrangement schematic diagram in hobboing cutter unit assembly of the present utility model；
Fig. 6 is two neighboring hobboing cutter unit assembly planar arrangement structural representation of the present utility model；
Fig. 7 is belt sheave structure schematic diagram of the present utility model；
Fig. 8 is stationary knife group device partial structural diagram of the present utility model；
Fig. 9 is the anti-careless coil structures schematic diagram of chopping of the present utility model；
Figure 10 is Lysimachia sikokiana guide board structure schematic diagram of the present utility model；
Figure 11 is regulation notch mplifying structure schematic diagram of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1 to 11, a kind of longitudinal axial-flow type united reaper straw-returning chopping dress that the utility model is provided
Put, including installation frame 1, installed on installation frame 1 provided with hobboing cutter group device 4 and for hobboing cutter group device 4 with closing shearing
The stationary knife group device 5 of effect, hobboing cutter group device 4 connects the convenient completion driving of a transmission device 2 and rotated, and hobboing cutter group device 4 includes
One roller 41, roller 41 is provided with hob assembly, and hob assembly includes some hobboing cutter units 42, and hobboing cutter unit 42 is by roll blade
422 and hob head 421 by fastener complete be fastenedly connected, fastener can using bolt and nut fastening, pass through pad
Strengthen fastening effect, hob head 421 is welded on the circumferential surface of roller 41, roll blade 422 is a thin knife in isosceles trapezoid shape
Piece, the base of roll blade 422 conveniently suits for the circular arc slot structure of indent with the circumferential surface of roller 41, and two in 180 ° of paralleloscope pictures
The hobboing cutter unit 42 of symmetry arrangement constitutes a hobboing cutter unit group, and the end of roller 41 is respectively equipped with a hobboing cutter unit group, and roller 41 is justified
Remaining position of perimeter surface is provided with some in the hobboing cutter unit assembly being intervally arranged, and hobboing cutter unit assembly is by three groups of hobboing cutter units
Group is along the circumferential direction mutually constituted in 60 ° of angles are staggered, and three groups of hobboing cutter unit groups are different level in being intervally arranged, stationary knife
Group device 5 includes arrangement on stationary knife installing plate 51, stationary knife installing plate 51 and is provided with some stationary knife units 52, and stationary knife unit 52 is by two panels
Composition is integrally formed in perpendicular straight arranged ledger-plate 521 and the connecting plate 522 between the bottom of two panels ledger-plate 521, is connected
Plate 522 is fixedly connected with the bolt of stationary knife installing plate 51.
According to said structure, the utility model Optimal improvements structure of hobboing cutter group device 4, using the rolling of thin blade structure
Blade 422, convenient complete to shred to stalk, the mounting structure of hobboing cutter unit 42 by Optimal improvements, facilitates roll blade 422
Replacing safeguard, while the hobboing cutter unit assembly arranged on the body position of the circumferential surface of roller 41, it is by 6 hobboing cutter units
42 combinations are constituted, two-by-two symmetrically, three groups are arranged in being intervally arranged, when shredding stalk, it is to avoid between same level
Got stuck between roll blade 422, while the rotational structure of dislocation can strengthen chopping performance.
As shown in fig. 6, being designed using the arrangement of the structure, by each 6 hobboing cutters in two neighboring hobboing cutter unit assembly
Unit 42 carries out planar arrangement, and its structure can form six layers of cutting lay staggeredly, can strengthen chopping result to greatest extent,
The chopping to stalk can be efficiently accomplished with reference to stationary knife group device 5, is easy to straw-returning, improves environmental-protecting performance.
Further, the utility model installation frame 1 is by superposed cover plate 11 and the installing plate positioned at the both sides of cover plate 11
12 are constituted, and a mounting groove 122 are provided with the middle part of the front side edge of installing plate 12, mounting groove 122 is in horizontally disposed, the otch of mounting groove 122
Place is provided with a reinforcing plate 13, and reinforcing plate 13 is in being vertically arranged, and reinforcing plate 13 is fixedly connected by bolt with installing plate 12, and optimization is set
Installation frame 1 is counted, the installation of hobboing cutter group device 4, transmission device 2 and stationary knife group device 5 is facilitated, while being conducive to and overall receipts
The combination of cutting mill is installed, and can be used in order to the apolegamy of overall harvester, be improved property easy to use.
Further, the one end of the utility model roller 41 is provided with the first shaft coupling 411, and the other end is provided with the second shaft coupling 412, transmission
Device 2 includes first bearing seat 21, second bearing seat 22 and belt pulley 23, and the first shaft coupling 411 runs through mounting groove 122 and first axle
Bearing 21, which coordinates, to be installed, and the second shaft coupling 412 coordinates through the mounting groove 122 of opposite side with second bearing seat 22 and belt pulley 23 pacifies
Dress, the front end of the second shaft coupling 412 is provided with a flat key groove 414, and the centre bore of belt pulley 23 is provided with a flat key open slot 231, flat key groove
414 with the corresponding matching of flat key open slot 231 and inlaying a flat key 413, and the front end face of the second shaft coupling 412 is provided with a mounting hole 415,
Bolt fastens a safety plate 24 on mounting hole 415, optimizes the mounting structure, facilitates roller 41 to complete transmission with transmission device 2 and connects
Cooperation is connect, facilitates roller 41 to rotate.
Further, the two ends of the utility model stationary knife installing plate 51 are fixedly connected with the bottom bolts of installing plate 12.
Further, the utility model also includes the anti-grass circle 3 of two choppings, and the anti-grass circle 3 of two choppings is located at roller 41 respectively
Two ends, the anti-grass circle 3 of two choppings is completed with first bearing seat 21 and second bearing seat 22 by bolt-through fastener hole 121 respectively
Fastening is installed, and is shredded 3 internal diameter sizes of anti-grass circle and is more than the outside dimension of roller 41, optimization design chopping 3 structures of anti-grass circle, chopping is anti-
Grass circle 3 is made up of anti-careless ring 31 and the anti-grass circle integrally connected of installing plate 32, and anti-grass circle installing plate 32 is easy to and first bearing seat 21
Fastening is completed by bolt-through fastener hole 121 to install, shred anti-grass circle 3 and be located at the inner side of installing plate 12 with second bearing seat 22
Wall, first bearing seat 21 and second bearing seat 22 are respectively positioned on the lateral wall of installing plate 12, and the anti-careless internal diameter size of ring 31 is more than roller 41
Outside dimension, the cylindrical structure of anti-careless ring 31, using the structure design, can be avoided in hobboing cutter group device 4 in straw chopping
During, broken stalk is involved in transmission device 2, it is to avoid the normal operation of influence transmission device 2, improves protection
Property.
Further, hood 6 after the utility model also includes one, is fastened positioned at the rear portion of installation frame 1 and the bolt of installation frame 1
Install, the rear bottom of hood 6 is provided with some Lysimachia sikokiana guide plates 61 in equi-spaced apart parallel arrangement, and Lysimachia sikokiana guide plate 61 is by guide plate
Installing plate 611 and guide plate 612 are constituted, and guide plate installing plate 611 is located at the top of guide plate 612, and guide plate installing plate 611 is with after
The upper surface of hood 6, which coordinates, installs, and the rear upper surface of hood 6 is long strip-board shape knot provided with some regulation notches 62, guide plate 612
Structure, the rear upper surface of hood 6 is inclined plane structure, and optimization uses the structure design, sets the regulation structure of notch 62 to facilitate guide plate
The installation of installing plate 611, can be along by screw rod while adjusting the fixed position of notch 62 and the one end of guide plate installing plate 611
Adjust notch 62 and carry out position adjustment, be conducive to regulation Lysimachia sikokiana to lay scope, it is convenient to separate the stalk after the completion of chopping successively
Discharge, it is to avoid conglomeration blocking occur in afterbody, improves chip removal efficiency.
Further, the utility model also includes a belt hub cap 25, and belt hub cap 25 is located at the outside of belt pulley 23, skin
Band hub cap 25 is fastened with the bolt of installing plate 12 and installed.
The utility model improves hobboing cutter group device, rationally arrangement hobboing cutter unit, improves cutting for stalk by optimization design
Broken effect, while setting the anti-grass circle of chopping, enhances the barrier propterty to transmission device, strengthens equipment runnability, with reference to rear
Hood structure, facilitates the discharge of stalk, is conducive to straw-returning, enhance environmental-protecting performance.
As known by the technical knowledge, the utility model can be by the realities of other essence or essential feature without departing from its spirit
Scheme is applied to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only
's.All changes in the range of the utility model or in the range of the utility model is equal to are by the utility model bag
Contain.
Claims (8)
1. installed on a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism, including installation frame, the installation frame
The stationary knife group device of shear action, the hobboing cutter group device are closed provided with hobboing cutter group device and for matching somebody with somebody with the hobboing cutter group device
Connect the convenient completion driving of a transmission device to rotate, the hobboing cutter group device includes a roller, and the roller is provided with hobboing cutter group
Part, it is characterised in that：The hob assembly includes some hobboing cutter units, and the hobboing cutter unit is passed through tight by roll blade and hob head
It is fixedly mounted with and puts completion and be fastenedly connected, the hob head is welded on the roll circumference surface, the roll blade is one in isosceles ladder
The thin blade of shape, the roll blade base conveniently suits for the circular arc slot structure of indent with the roll circumference surface, two
In hobboing cutter unit composition one hobboing cutter unit group of 180 ° of paralleloscopes as symmetry arrangement, the roller end is respectively equipped with a hobboing cutter list
Tuple, described remaining position of roll circumference surface is provided with some in the hobboing cutter unit assembly being intervally arranged, the hobboing cutter unit
Sub-assembly is along the circumferential direction mutually made up of three groups of hobboing cutter unit groups in 60 ° of angles are staggered, and three groups of hobboing cutter unit groups are difference
Horizontal plane is in being intervally arranged, and the stationary knife group device includes arrangement on stationary knife installing plate, the stationary knife installing plate and is provided with some fixed
Knife unit, connection of the stationary knife unit as two panels in perpendicular straight arranged ledger-plate and between ledger-plate bottom described in positioned at two panels
Plate is integrally formed composition, and the connecting plate is installed crab bolt with the stationary knife and is fixedly connected.
2. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 1, it is characterised in that：Institute
State installing plate of the installation frame by superposed cover plate and positioned at cover plate both sides to constitute, be provided with the middle part of the installing plate front side edge
One mounting groove, the mounting groove is provided with a reinforcing plate, the reinforcing plate is in vertical in horizontally disposed at the mounting groove otch
Set, the reinforcing plate is fixedly connected by bolt with installing plate.
3. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 2, it is characterised in that：Rolling
Cylinder one end is provided with the first shaft coupling, and the other end is provided with the second shaft coupling, and transmission device includes first bearing seat, second bearing seat and belt
Wheel, first shaft coupling coordinates through the mounting groove with the first bearing seat to be installed, and second shaft coupling runs through opposite side
Mounting groove and the second bearing seat and belt pulley coordinate and install, the second shaft coupling front end is provided with a flat key groove, the skin
Belt wheel centre bore is provided with a flat key open slot, the flat key groove and the flat key open slot corresponding matching and inlays a flat key,
The second shaft coupling front end face is provided with bolt on a mounting hole, the mounting hole and fastens a safety plate.
4. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 2, it is characterised in that：It is fixed
Knife installing plate two ends are fixedly connected with the installing plate bottom bolts.
5. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 3, it is characterised in that：Also
Including the anti-grass circle of two choppings, two anti-grass circles of chopping are located at the roller two ends, two anti-grass circles of chopping respectively
Complete fastening by fastener hole described in bolt-through with the first bearing seat and second bearing seat respectively to install, the chopping is anti-
Grass circle internal diameter size is more than the roller outside dimension.
6. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 5, it is characterised in that：Also
Including hood after one, fasten and install positioned at installation frame rear portion and the installation frame bolt, if the rear hood bottom provided with
The dry Lysimachia sikokiana guide plate in equi-spaced apart parallel arrangement.
7. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 6, it is characterised in that：Institute
State Lysimachia sikokiana guide plate to be made up of guide plate installing plate and guide plate, guide plate installing plate is located at guide plate top, guide plate is installed
Plate coordinates with the rear hood upper surface to be installed, and the rear hood upper surface is provided with some regulation notches.
8. a kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism according to claim 6, it is characterised in that：Also
Including a belt hub cap, the belt hub cap is located on the outside of belt pulley, and the belt hub cap is with installing crab bolt fastening
Install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479406.3U CN206353990U (en) | 2016-12-30 | 2016-12-30 | A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479406.3U CN206353990U (en) | 2016-12-30 | 2016-12-30 | A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353990U true CN206353990U (en) | 2017-07-28 |
Family
ID=59377608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479406.3U Active CN206353990U (en) | 2016-12-30 | 2016-12-30 | A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism |
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| CN (1) | CN206353990U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489415A (en) * | 2016-12-30 | 2017-03-15 | 中联重机浙江有限公司 | A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism |
| CN107873275A (en) * | 2017-11-15 | 2018-04-06 | 利川隆祥生物科技有限公司 | A kind of straw harvesting device |
| CN114846997A (en) * | 2022-04-28 | 2022-08-05 | 广西壮族自治区蚕业技术推广站 | Mulberry harvester |
| CN115280985A (en) * | 2022-07-26 | 2022-11-04 | 上海应用技术大学 | Efficient straw rubbing crusher |
-
2016
- 2016-12-30 CN CN201621479406.3U patent/CN206353990U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489415A (en) * | 2016-12-30 | 2017-03-15 | 中联重机浙江有限公司 | A kind of longitudinal axial-flow type united reaper straw-returning shredding mechanism |
| CN107873275A (en) * | 2017-11-15 | 2018-04-06 | 利川隆祥生物科技有限公司 | A kind of straw harvesting device |
| CN114846997A (en) * | 2022-04-28 | 2022-08-05 | 广西壮族自治区蚕业技术推广站 | Mulberry harvester |
| CN115280985A (en) * | 2022-07-26 | 2022-11-04 | 上海应用技术大学 | Efficient straw rubbing crusher |
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