CN207235467U - A kind of stalk for improving soil plough horizon structure crushes buried chopper - Google Patents
A kind of stalk for improving soil plough horizon structure crushes buried chopper Download PDFInfo
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- CN207235467U CN207235467U CN201721239286.4U CN201721239286U CN207235467U CN 207235467 U CN207235467 U CN 207235467U CN 201721239286 U CN201721239286 U CN 201721239286U CN 207235467 U CN207235467 U CN 207235467U
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Abstract
The utility model provides a kind of stalk for improving soil plough horizon structure and crushes buried chopper, including rack, suspension arrangement, gearbox, transmission mechanism, fertilizer apparatus, ditching device, hammer knife reducing mechanism into shape, helix transporting device and stubble-clearing device, the helix transporting device includes helical feed roller and helical feed roller bearing, after stalk is crushed by the hammer knife reducing mechanism, throwing is patted by hammer knife to be scattered in helical feed roller, the fertilizer in the fertilizer apparatus is also drained into helical feed roller at the same time, fertilizer is uniformly mixed with stalk under the stirring of left-handed auger steel disc and dextrorotation auger steel disc on the helical feed roller bearing, it is drained into jointly in the furrow that the ditching device is opened, it can accelerate Straw decomposing, carry out humification, improve soil texture；The utility model one-stop operation can just complete that trench digging, stalk crushing, rotary tillage ferti, stalk be buried and earthing, the work of stubble-cleaning, alleviate labor intensity, improve work efficiency, reduce production cost.
Description
Technical field：
The utility model belongs to farm equipment technical field, more particularly to a kind of stalk for improving soil plough horizon structure crushes
Buried chopper.
Background technology：
Straw-returning is the well stimulation of a culture fertility of most attention in the world today, is preventing crop straw burning
There is getting fat production-increasing function while caused atmosphere pollution.Straw-returning can increase the soil organism, improve soil texture,
Make loosing soil, porosity increase, capacity mitigates, and promotes the development of microbial activity and crop root.
Publication No. CN103797907A, the patent of invention of entitled " a kind of stubble cleaner with stalk deep-buried device ",
The stubble cleaner is directly to be carried out at the same time buried using stubble cleaner cutter shaft progress stubble-cleaning, and depth of implements is shallow；Notification number is
CN205105562U, the utility model patent of entitled " the buried returning to the field ditching machine of rotary tilling-type stalk ", the rotary tilling-type stalk are deep
Returning to the field ditching machine is buried after stalk is sprinkled into furrow, also needs the soil that lower subjob is dished out that stalk is buried, the buried process of stalk is answered
Miscellaneous, operating condition requires high；And above-mentioned stubble cleaner and ditching machine only realize single function, therefore can be once there is an urgent need for one kind
Property complete trench digging, stalk crushings, stubble-cleaning, rotary tillage and apply fertilizer it is buried it is multi-functional integration chopper.
Utility model content：
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of disposable completion trench digging, stalk
Crushing, rotary tillage ferti, stalk is buried and the multi-functional stalk for improving soil plough horizon structure of earthing, stubble-cleaning crushes buried returning to the field
Machine.
The utility model adopts the following technical solution：A kind of stalk for improving soil plough horizon structure is provided and crushes buried returning to the field
Machine, including rack, suspension arrangement, gearbox, transmission mechanism, fertilizer apparatus, ditching device and covering device, the suspension arrangement
It is located above the front end of rack, the gearbox is installed in rack, positioned at the lower section of the suspension arrangement, the ditching device
It is located at below the front end of rack, the fertilizer apparatus is located above the middle part of rack, below the middle part of the rack from front to back
Hammer knife reducing mechanism, helix transporting device and stubble-clearing device are rotatably connected to successively, and the helix transporting device is applied positioned at described
The underface of fertile device, the transmission mechanism include hammer knife and crush transmission mechanism, helical feed transmission mechanism and stubble-cleaning driver
Structure, the output shaft of the gearbox crush transmission mechanism by the hammer knife and drive the hammer knife reducing mechanism to rotate, the hammer
Knife reducing mechanism drives the helix transporting device to rotate by the helical feed transmission mechanism, and the spiral transferring device passes through
The stubble-cleaning driving mechanism drives the stubble-clearing device to rotate, the covering device be arranged on the helix transporting device with it is described
Between stubble-clearing device, the lower section of rack is fixedly connected on, the rear end of the rack is provided with wheel.
The fertilizer apparatus includes electronics fertilizer apparatus, fertilising bucket and the fertilizing tube for being located at the fertilising bucket lower section, institute
Electronics fertilizer apparatus control dose is stated, fertilizer is discharged into by the fertilizing tube in the helix transporting device.
The hammer knife reducing mechanism includes the hammer knife for crushing cutter shaft and being arranged on the crushing cutter shaft, and the hammer knife crushes
Transmission mechanism includes hammer knife driving pulley, hammer knife driven pulley and the connection hammer knife driving pulley and the hammer knife driven belt
The transmission belt of wheel, the hammer knife driving pulley is coaxial with the output shaft of the gearbox and is fixedly connected, the hammer knife driven belt
Wheel is coaxial with the crushing cutter shaft and is fixedly connected.
The helix transporting device includes helical feed roller and the helical feed rolling in the helical feed roller
Axis, the helical feed roller are used for what is received the stalk crushed through the hammer knife reducing mechanism and discharged by the fertilizer apparatus
Fertilizer, the lower section middle part of the helical feed roller are equipped with discharge gate, and the helical feed roller bearing is equipped with auger steel disc, described
Helical feed transmission mechanism includes helical feed driving pulley, helical feed driven pulley and the connection helical feed actively
The transmission belt of belt wheel and the helical feed driven pulley, the helical feed driving pulley and the crushing cutter shaft are coaxial and solid
Fixed connection, the helical feed driven pulley is coaxial with the helical feed roller bearing and is fixedly connected.
The stubble-clearing device includes stubble-cleaning swivel knife shaft and the stubble ploughing, rotary tillage tulwar on the stubble-cleaning swivel knife shaft, institute
Stating stubble-cleaning driving mechanism includes stubble-cleaning driving pulley, stubble-cleaning driven pulley and the connection stubble-cleaning driving pulley and the stubble-cleaning
The transmission belt of driven pulley, the stubble-cleaning driving pulley is coaxial with the helical feed roller bearing and is fixedly connected, the stubble-cleaning from
Movable belt pulley is coaxial with the stubble-cleaning swivel knife shaft and is fixedly connected.
The helical feed roller bearing is cylindrical body, and the auger steel disc includes left-handed auger steel disc and dextrorotation auger steel disc,
The left-handed auger steel disc is connected with the dextrorotation auger steel disc.
The ditching device includes two ditching plows being connected with rack, and the ditching plow is made of colter and plow standard, institute
The nose part for stating two colters is mutually drawn close, and knife afterbody is located remotely from each other, the advance side of the direction of the nose part and the rack
To identical.
The covering device includes the two earthing plough being connected with rack, and the earthing plough is made of colter and plow standard, institute
The nose part for stating two colters is located remotely from each other, and knife afterbody is close to each other, the advance side of the direction of the nose part and the rack
To on the contrary, the plow standard length of earthing plough is less than the plow standard length of the ditching plow.
The utility model compared with prior art, has an advantageous effect in that：
The utility model is without other ditching equipments before straw-returning is realized, the utility model is under the front end of rack
Side is equipped with ditching device, fertilizer apparatus is equipped with above the middle part of rack, below the middle part of the rack from front to back successively
It is rotatably connected to hammer knife reducing mechanism, helix transporting device and stubble-clearing device, covering device and is arranged on the helix transporting device
Between the stubble-clearing device, the lower section of rack is fixedly connected on, the utility model one-stop operation can just complete trench digging, straw powder
Broken, rotary tillage ferti, stalk be buried and earthing, the work of stubble-cleaning, alleviates labor intensity, improves work efficiency, reduces
Production cost；After stalk is crushed by the hammer knife reducing mechanism, patted throwing by hammer knife and be scattered to the spiral of the helix transporting device
In conveying cylinder, while the fertilizer in the fertilizer apparatus is also drained into the helical feed roller, and fertilizer is with stalk in institute
State and uniformly mixed under the stirring of left-handed auger steel disc and the dextrorotation auger steel disc, be drained into what the ditching device was opened jointly
In furrow, Straw decomposing can be accelerated, carry out humification, improve soil texture；The knife of two colters of described two ditching plows
Tip is mutually drawn close, and knife afterbody is located remotely from each other, and can reduce tillage resistance, ensures that ditching depth and width reach requirement, described
The nose part of two colters of two earthing ploughs is located remotely from each other, and knife afterbody is close to each other, the direction of nose part and the rack
On the contrary, the plow standard length of earthing plough is less than the plow standard length of the ditching plow, such structure design ensure that to be covered direction of advance
The width and quality of soil.
Brief description of the drawings：
Fig. 1 is that the stalk for the improvement soil plough horizon structure that the utility model embodiment provides crushes the structure of buried chopper
Schematic diagram；
Fig. 2 is that the stalk for the improvement soil plough horizon structure that the utility model embodiment provides crushes the another of buried chopper
The structure diagram of angle；
Fig. 3 is the structure diagram of the fertilizer apparatus shown in Fig. 1；
Fig. 4 structure diagrams of auger steel disc for helical feed roller bearing in the helix transporting device shown in Fig. 2 and thereon；
In the present embodiment：1- fertilizer apparatuses, 101- fertilising buckets, 102- fertilizing tubes, 2- wheels, 3- stubble-cleaning driving mechanisms,
4- helical feed transmission mechanisms, 5- stubble-cleaning driving mechanisms, 8- gearboxes, 9- suspension arrangements, 10- racks, 11- hammer knives crush dress
Put, 12- helical feed rollers, 13- helical feed roller bearings, the left-handed auger steel discs of 1301-, 1302- dextrorotation auger steel discs, 14- covers
Soil plough, 15- stubble-clearing devices, 16- ditching plows.
Embodiment：
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.
As depicted in figs. 1 and 2, the utility model provides a kind of stalk for improving soil plough horizon structure and crushes buried returning to the field
Machine, including rack 10, the front end top of rack 10 set suspension arrangement 9, and the suspension arrangement 9 is arranged right below gearbox 8, institute
State and be equipped with ditching device 16 below the front end of rack 10；Fertilizer apparatus 1, the rack are equipped with above the middle part of the rack 10
It is rotatably connected to hammer knife reducing mechanism 11, helix transporting device below 10 middle part successively by transmission mechanism from front to back and goes out
Stubble device 15, the helix transporting device are located at the underface of the fertilizer apparatus 1, and the transmission mechanism includes hammer knife and crushes biography
Motivation structure 5, helical feed transmission mechanism 4 and stubble-cleaning driving mechanism 3, the output shaft of the gearbox 8 are crushed by the hammer knife
Transmission mechanism 5 drives the hammer knife reducing mechanism 11 to rotate, and the hammer knife reducing mechanism 11 passes through the helical feed driver
Structure 4 drives the helix transporting device to rotate, and the spiral transferring device drives the stubble-cleaning to fill by the stubble-cleaning driving mechanism 3
15 rotations are put, covering device 14, the covering device are provided between the helix transporting device and the stubble-clearing device 15
14 are fixedly connected on the lower section of rack 10, and the rear end of the rack 10 is provided with wheel.
The hammer knife reducing mechanism 11 includes the hammer knife for crushing cutter shaft and being arranged on the crushing cutter shaft, the hammer knife powder
Broken transmission mechanism 5 include hammer knife driving pulley, hammer knife driven pulley and the connection hammer knife driving pulley and the hammer knife from
The transmission belt of movable belt pulley, the hammer knife driving pulley is coaxial with the output shaft of the gearbox 8 and be fixedly connected, it is described hammer into shape knife from
Movable belt pulley is coaxial with the crushing cutter shaft and is fixedly connected, and the output shaft of the gearbox 8 drives the hammer knife main belt rotation
It is dynamic, and then driving the hammer knife driven pulley to rotate by conveyer belt rotates the crushing cutter shaft of the hammer knife reducing mechanism 11.
As shown in Figure 2 and Figure 4, the helix transporting device includes helical feed roller 12 and is rolled positioned at the helical feed
Helical feed roller bearing 13 in cylinder 12, the helical feed roller 12 are used to receive the straw crushed through the hammer knife reducing mechanism 11
Stalk and the fertilizer discharged by the fertilizer apparatus 1, the lower section middle part of the helical feed roller 12 is equipped with discharge gate, described spiral
Conveying roller is the cylindrical body that radius is 8cm, and the auger steel disc that thickness is 6mm, institute are welded with the helical feed roller bearing 13
Stating auger steel disc includes left-handed auger steel disc 1301 and dextrorotation auger steel disc 1302, the left-handed auger steel disc 1301 and the right side
Auger steel disc 1302 is revolved to be connected,.The helical feed transmission mechanism 4 includes helical feed driving pulley, helical feed driven belt
The transmission belt of the helical feed driving pulley and the helical feed driven pulley is taken turns and connects, the helical feed is actively
Belt wheel and the crushing cutter shaft are coaxial and be fixedly connected, the helical feed driven pulley it is coaxial with the helical feed roller bearing and
It is fixedly connected, the crushing cutter shaft of the hammer knife reducing mechanism, which rotates, drives the helical feed driving pulley to rotate, and then passes through
Transmission belt drives the helical feed driven pulley to rotate, and rotates the helical feed roller bearing 13 of the helix transporting device.
The stubble-clearing device 15 includes stubble-cleaning swivel knife shaft and the stubble ploughing, rotary tillage tulwar on the stubble-cleaning swivel knife shaft,
The stubble-cleaning driving mechanism 3 include stubble-cleaning driving pulley, stubble-cleaning driven pulley and the connection stubble-cleaning driving pulley with it is described
The transmission belt of stubble-cleaning driven pulley, the stubble-cleaning driving pulley is coaxial with the helical feed roller bearing and is fixedly connected, described to go out
Stubble driven pulley is coaxial with the stubble-cleaning swivel knife shaft and is fixedly connected, and goes out described in the rotation drive of the helical feed roller bearing 13
Stubble driving pulley rotates, and then drives the stubble-cleaning driven pulley to rotate by transmission belt, makes the stubble-cleaning of the stubble-clearing device 15
Swivel knife shaft rotates.
As shown in figures 1 and 3, the helix transporting device is located at the underface of the fertilizer apparatus 1, the fertilizer apparatus
1 includes electronics fertilizer apparatus, fertilising bucket 101 and is located at the uniformly distributed row's fertilizing tube 102 in 101 lower section of fertilising bucket, by institute
Electronics fertilizer apparatus control dose is stated, fertilizer is discharged into by the fertilizing tube 102 in the helix transporting device, described
The stirring conveying of screw conveyor shaft 13 is lower uniformly to be mixed and together from the institute on the helical feed roller 12 with the stalk crushed
State discharge gate discharge.
The ditching device includes two ditching plows 16 being connected with rack 10, and the ditching plow 16 is by colter and plow standard group
Into the nose part of described two colters is mutually drawn close, and knife afterbody is located remotely from each other, the direction of the nose part and the rack 10
Direction of advance is identical, can output the furrow that depth is 21cm-30cm in earth's surface；The covering device includes what is be connected with rack 10
Two earthing ploughs 14, the earthing plough 14 are made of colter and plow standard, and the nose part of described two colters is located remotely from each other, knife afterbody
Close to each other, the direction of advance of the direction of the nose part and the rack 10 is on the contrary, the plow standard length of earthing plough 14 is small
In the plow standard length of the ditching plow 16.
The course of work of the utility model：
First the electronics fertilizer apparatus in the fertilizer apparatus 1 in the rack 10 is coupled with tractor electric power system, it is described outstanding
Hang device 9 is mounted with tractor rear lifting mechanism, the stalk is crushed buried returning to the field function and is advanced under the traction of tractor,
The power of tractor passes to the transmission mechanism by the gearbox 8, makes the crushing cutter shaft of the hammer knife reducing mechanism 11
Rotate, the helical feed roller bearing 13 of the helix transporting device rotates, the stubble-cleaning swivel knife shaft of the stubble-clearing device 15 rotates；It
Afterwards, the ditching device outputs the furrow that depth is 21cm-30cm in earth's surface, when stalk enters the hammer knife reducing mechanism 11
When, being acted on be subject to the shearing of hammer knife, rubbing and tearing, being patted throwing by hammer knife after crushing is scattered in the helical feed roller 12,
The fertilizer that the helical feed roller 12 is drained into the fertilizer apparatus 1 passes through the left-handed auger steel disc 1301 and the right side
Revolve auger steel disc 1302 and stir the lower uniformly mixing of conveying, and the opening from the middle part of helical feed roller 12 is discharged to described open
Among ditch device 16 opens furrow, then, the covering device carries out earthing to fill and lead up the furrow that the ditching device is opened, complete
Into the buried work of stalk；Finally, stalk is stayed in underground root stubble part and uproops, breaks apart by chopping, shreds by the stubble-clearing device 15.
In conclusion the utility model disposably completes buried trench digging, stalk crushing, rotary tillage ferti, stalk and earthing, stubble-cleaning
Work.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model right and want
Seek limited range.
Claims (8)
1. a kind of stalk for improving soil plough horizon structure crushes buried chopper, it is characterised in that including：Rack, suspension arrangement,
Gearbox, transmission mechanism, fertilizer apparatus, ditching device and covering device, the suspension arrangement are located above the front end of rack, institute
Gearbox is stated in rack, positioned at the lower section of the suspension arrangement, the ditching device is located at below the front end of rack, institute
State fertilizer apparatus to be located above the middle part of rack, be rotatably connected to hammer knife below the middle part of the rack successively from front to back and crush
Device, helix transporting device and stubble-clearing device, the helix transporting device are located at the underface of the fertilizer apparatus, the transmission
Mechanism includes hammer knife crushing transmission mechanism, helical feed transmission mechanism and stubble-cleaning driving mechanism, the output shaft of the gearbox and leads to
Cross the hammer knife and crush the transmission mechanism drive hammer knife reducing mechanism rotation, the hammer knife reducing mechanism passes through the spiral transferring
Transmission mechanism is sent to drive the helix transporting device to rotate, the spiral transferring device passes through described in stubble-cleaning driving mechanism drive
Stubble-clearing device rotates, and the covering device is arranged between the helix transporting device and the stubble-clearing device, is fixedly connected on
The lower section of rack, the rear end of the rack are provided with wheel.
2. the stalk according to claim 1 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Fertilizer apparatus includes electronics fertilizer apparatus, fertilising bucket and the fertilizing tube for being located at the fertilising bucket lower section, the electronics fertilizer apparatus
Dose is controlled, fertilizer is discharged into by the fertilizing tube in the helix transporting device.
3. the stalk according to claim 1 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Hammer knife reducing mechanism includes the hammer knife for crushing cutter shaft and being arranged on the crushing cutter shaft, and the hammer knife, which crushes transmission mechanism, to be included
Hammer the transmission belt of knife driving pulley, hammer knife driven pulley and the connection hammer knife driving pulley and the hammer knife driven pulley into shape,
The hammer knife driving pulley is coaxial with the output shaft of the gearbox and is fixedly connected, the hammer knife driven pulley and the crushing
Cutter shaft is coaxial and is fixedly connected.
4. the stalk according to claim 3 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Helix transporting device includes helical feed roller and the helical feed roller bearing in the helical feed roller, the spiral transferring
Send roller be used for receive stalk through the hammer knife reducing mechanism crushing and fertilizer discharged by the fertilizer apparatus, it is described spiral
Discharge gate is equipped with the middle part of the lower section of conveying cylinder, the helical feed roller bearing is equipped with auger steel disc, the helical feed transmission
Mechanism includes helical feed driving pulley, helical feed driven pulley and the connection helical feed driving pulley and the spiral shell
The transmission belt of rotation conveying driven pulley, the helical feed driving pulley is coaxial with the crushing cutter shaft and is fixedly connected, described
Helical feed driven pulley is coaxial with the helical feed roller bearing and is fixedly connected.
5. the stalk according to claim 4 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Stubble-clearing device includes stubble-cleaning swivel knife shaft and the stubble ploughing, rotary tillage tulwar on the stubble-cleaning swivel knife shaft, the stubble-cleaning driver
Structure includes the biography of stubble-cleaning driving pulley, stubble-cleaning driven pulley and the connection stubble-cleaning driving pulley and the stubble-cleaning driven pulley
Dynamic band, the stubble-cleaning driving pulley is coaxial with the helical feed roller bearing and is fixedly connected, the stubble-cleaning driven pulley with it is described
Stubble-cleaning swivel knife shaft is coaxial and is fixedly connected.
6. the stalk according to claim 4 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Helical feed roller bearing is cylindrical body, and the auger steel disc includes left-handed auger steel disc and dextrorotation auger steel disc, the left-handed auger
Steel disc is connected with the dextrorotation auger steel disc.
7. the stalk according to claim 1 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Ditching device includes two ditching plows being connected with rack, and the ditching plow is made of colter and plow standard, described two colters
Nose part is mutually drawn close, and knife afterbody is located remotely from each other, and the direction of the nose part is identical with the direction of advance of the rack.
8. the stalk according to claim 7 for improving soil plough horizon structure crushes buried chopper, it is characterised in that：It is described
Covering device includes the two earthing plough being connected with rack, and the earthing plough is made of colter and plow standard, described two colters
Nose part is located remotely from each other, and knife afterbody is close to each other, and the direction of advance of the direction of the nose part and the rack is on the contrary, described cover
The plow standard length of soil plough is less than the plow standard length of the ditching plow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239286.4U CN207235467U (en) | 2017-09-26 | 2017-09-26 | A kind of stalk for improving soil plough horizon structure crushes buried chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239286.4U CN207235467U (en) | 2017-09-26 | 2017-09-26 | A kind of stalk for improving soil plough horizon structure crushes buried chopper |
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| Publication Number | Publication Date |
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| CN207235467U true CN207235467U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721239286.4U Active CN207235467U (en) | 2017-09-26 | 2017-09-26 | A kind of stalk for improving soil plough horizon structure crushes buried chopper |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509454A (en) * | 2017-09-26 | 2017-12-26 | 沈阳农业大学 | A kind of stalk for improving soil plough horizon structure crushes buried chopper |
| CN110352636A (en) * | 2019-08-09 | 2019-10-22 | 哈尔滨市农业科学院 | A kind of soil stalk mixing and blending machine, screw conveyor unit and method is mixed |
| CN110447325A (en) * | 2019-09-16 | 2019-11-15 | 朱建国 | A kind of buried returning to the field method of stalk and device |
| CN111101470A (en) * | 2019-12-23 | 2020-05-05 | 济南工程职业技术学院 | Gardens fallen leaves cleaning device |
| CN113330838A (en) * | 2021-04-19 | 2021-09-03 | 贵州省山地农业机械研究所 | Straw returning machine and straw returning method |
-
2017
- 2017-09-26 CN CN201721239286.4U patent/CN207235467U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509454A (en) * | 2017-09-26 | 2017-12-26 | 沈阳农业大学 | A kind of stalk for improving soil plough horizon structure crushes buried chopper |
| CN110352636A (en) * | 2019-08-09 | 2019-10-22 | 哈尔滨市农业科学院 | A kind of soil stalk mixing and blending machine, screw conveyor unit and method is mixed |
| CN110447325A (en) * | 2019-09-16 | 2019-11-15 | 朱建国 | A kind of buried returning to the field method of stalk and device |
| CN110447325B (en) * | 2019-09-16 | 2023-05-05 | 朱建国 | Method and device for deeply burying and returning straw to field |
| CN111101470A (en) * | 2019-12-23 | 2020-05-05 | 济南工程职业技术学院 | Gardens fallen leaves cleaning device |
| CN113330838A (en) * | 2021-04-19 | 2021-09-03 | 贵州省山地农业机械研究所 | Straw returning machine and straw returning method |
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