CN206371099U - A kind of Pneumatic type straw deep-burying and returning machine - Google Patents
A kind of Pneumatic type straw deep-burying and returning machine Download PDFInfo
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- CN206371099U CN206371099U CN201720005423.1U CN201720005423U CN206371099U CN 206371099 U CN206371099 U CN 206371099U CN 201720005423 U CN201720005423 U CN 201720005423U CN 206371099 U CN206371099 U CN 206371099U
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- stalk
- burying
- auger
- pneumatic type
- trench digging
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Abstract
A kind of Pneumatic type straw deep-burying and returning machine, belongs to the cultivated scarification equipment classification of agricultural.Functionally the conveying of gas-particle two-phase material is realized in realization with the pressure of air-blowing, it is therefore an objective in the zanjon that stalk after stubble-cleaning is crushed is outputed with Geldart-D particle to plough, realize the buried returning to the field of stalk.Complete machine structure composition includes frame, transmission system, corn rootstalk cutting device, pickup reducing mechanism, delivery assembly, ditching device, covering device, suppression device, gauge wheel etc..Its critical component is Pneumatic conveyer, is arranged in pickup reducing mechanism rear, is made up of auger, blower fan, conveyance conduit and discharge pipe etc.；And it is mounted with ditching device in auger and discharge pipe envisaged underneath；The covering device being made up of left and right covering blade, suppression device etc. at discharge pipe rear successively design and installation.The utility model effectively solves the problems, such as the superfluous burning of autumn stalk, reaches the buried returning to the field of stalk, strengthens the porosity of soil, improves the seepage rate of soil, and drought resisting of preventing waterlogging strengthens the effect of the soil organism.
Description
Technical field
The invention belongs to agricultural machinery technological field, more particularly to a kind of Pneumatic type straw deep-burying and returning machine.
Background technology
With the raising of crops crop yield, stalk annual production also constantly rises.Because stalk can not be handled effectively, straw
Stalk is superfluous and burns, and causes air pollution and environmental security to protrude increasingly.At present, straw-returning technology is mainly cropper
Crushing straw returning to the field, stubble cleaner returning to the field, the shallow rotation returning to the field of stalk causes soil to leak out the evaporation of water in soil, and straw chopping and returning is of poor quality,
Not the problems such as stalk does not reach reasonable utilization；And the soil plough horizon that long-term continuous farming is caused shoals, plough sole thickeies and moved up, and influences
The output increaseds of crops.It can reach that stalk is buried using the 25cm that turns over of mouldboard plow in Ping Zuo areas, but on northeast ridge
Make area and require that seedling row is tight, the topsoil structure of furrow pine, mouldboard plow can not reach requirement.This equipment is to be directed to Ministry of Agriculture's public welfare row
Industry (agricultural) scientific research specific project expenditure project " the reasonable topsoil constructing technology index study in nonirrigated farmland " (201503116) Northeast plain is Central-South
Portion's rain supports the reasonable topsoil in nonirrigated farmland and builds the buried chopper of a kind of novel straw that outfitting tool is developed.The technology is a kind of by stalk
Buried in ditch after being crushed with corn stubble breaking, the equipment can effectively solve the problems, such as the buried returning to the field of stalk, special improving soil
Property, increase soil plough horizon depth, reduction farmland carbon emission, mitigate environmental problem and increase farmers' income that crop straw burning brings
The good economic benefit of aspect.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of Pneumatic type straw deep-burying and returning machine, and meeting agronomy will
While asking, realize that the Pneumatic type straw deep-burying and returning machine of the functions such as buried, inter-row sub-soiling is crushed in breaking, stalk.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Pneumatic type straw deep-burying and returning machine of the present invention, including frame, transmission device and in the frame by preceding
Hold to the corn rootstalk cutting device of rear end, pick up reducing mechanism, conveying device, ditching device, covering device and suppression device,
The breaking disk of the corn rootstalk cutting device is placed in ridge platform position, breaks corn stubble on the platform of ridge；
The pickup reducing mechanism, connects the case of conveying device, throws stalk；
Described conveying device one end sets case, picks up reducing mechanism by case connection, escorts the stalk after crushing；Separately
One end is delivered in ditching device institute open channels by transfer pipeline.
Further, the conveying device includes case, blower fan, auger, transfer pipeline and discharge pipe, the case cover
It is placed on the flail knife axle and auger of picking up reducing mechanism, auger is be arranged in parallel with flail knife axle, and one end is connected at fans entrance, wind
Machine is arranged on frame side, and conveyance conduit is connected to fan outlet end, and the discharge pipe positioned at ditching device rear is connected to defeated
Send pipe end.
Further, described case one end coordinates with picking up the flail knife axle of reducing mechanism, covers on flail knife axle, this section of case
On be provided with and coordinate the stationary knife that is mounted opposite with moving flail knife on flail knife axle, coordinate chopping stalk, central angle of case is that α is at this
120~140 °；The other end coordinates with auger, covers on auger, and 360 ° of-β of case central angle are 240~270 ° at this, transmit powder
Stalk after broken.
Further, the gap h between the dynamic flail knife and stationary knife is 3~6mm.
Further, vent is additionally provided with the discharge pipe, reduces the pressure in conveyance conduit, stalk is steadily put
In opened furrow.
Further, it is described pick up reducing mechanism flail knife axle and conveying device auger axis between apart from L be 400~
600mm。
Further, the ditching device is symmetricly set on the trench digging cutterhead on trench digging main shaft including trench digging main shaft and two,
Angle γ is 5~10 ° between two trench digging cutterheads.
Further, the two trench digging cutterhead is arranged on trench digging main shaft by regulating bolt, is adjusted along main shaft transverse shifting
Installation site is saved, the ditching depth of trench digging cutterhead is 260mm.
Further, it is additionally provided with gauge wheel in the corn rootstalk cutting device machine frame at two sides.
Further, the transmission device includes gearbox, conveyer belt and belt wheel, and the output shaft of gear-box end sets the
One belt wheel, the 3rd belt wheel installed on the second belt wheel on the flail knife axle for picking up reducing mechanism, flail knife axle is connected by belt band
It is connected with the 4th belt wheel on conveying device screw-conveyer-shaft by belt, the 5th belt wheel on screw-conveyer-shaft connects deboost axle by belt
On the 6th belt wheel, the 7th belt wheel on deboost axle connected the 8th belt wheel on trench digging cutterhead by belt, realizes that power is transmitted.
Beneficial effects of the present invention are：
1. the present invention makes two breaking disks be placed in adjacent two ridges platform position using two breaking disks, the stubble on the platform of ridge is crushed,
The furrow position that furrower disc is placed between two ridge platforms, trench digging buries the stalk after crushing in furrow, so in real work only
It need to be ditched every ridge, reduce machine energy consumption.
After 2. corn rootstalk cutting device of the present invention cuts the root stubble of crop, the rotation that flail knife crushes main shaft with picking up will can dissipate
Fall the stalk kept flat to be picked up, while being crushed, being rubbed to stalk, crushing straw is delivered to auger, by blower fan by powder
Broken stalk is rapidly feeding in conveyance conduit, eventually passes to export under discharge pipe and crushing straw is sent into the ditch that ditching device is held successfully
It is interior.Covering device fills out back the soil of ditch both sides in ditch after walking, and stalk is pressed under the soil of backfill, and suppression device is carried out
Suppression.The crushing straw for being most scattered in field at last is crushed and buried among soil.
3. ditching device of the present invention is unearthed using two symmetrical 5 °~10 ° settings of its angle of furrower disc in trench digging heel row
Earth, makes the crushing of soil；And trench digging width can be adjusted according to the different returning to the field amounts of stalk, crushing straw is all buried same
When, reduce the power of trench digging consumption.Well ditching depth has reached 260mm to the hack effect of this ditching device simultaneously, realizes real
Buried in meaning, while serving the effect of hack and subsoiling, reduce equipment enters ground number of times, reduces financial cost.
4. the blower fan of conveying device of the present invention is placed in frame side, and picks up reducing mechanism, and case by case connection
One end is connected on fans entrance, case and sets stationary knife, the flail knife cooperation crushing straw with picking up reducing mechanism, equivalent to crushing
Room, while chopping stalk, escorts stalk to conveyance conduit, prevents stalk from flying upward.Auger is set between blower fan and conveyance conduit, side
Just stalk is transmitted；Vent is opened up on the discharge pipe of conveying device, reduces the pressure in conveyance conduit and discharge pipe, prevents
Stalk is flown upward, it is impossible to steadily dropped down onto in groove.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is Fig. 1 planar structure schematic diagram.
Fig. 3 is conveying device schematic diagram in Fig. 2.
Fig. 4 is the mounting structure schematic diagram of case in Fig. 3.
Fig. 5 is Fig. 4 leftschematic diagrams.
Fig. 6 is ditching device schematic diagram in Fig. 2.
In figure：1. frame,
2. transmission device, 21. first belt wheels, 22. second belt wheels, 23. the 3rd belt wheels, 24. the 4th belt wheels, 25. the 5th bands
Wheel, 26. the 6th belt wheels, 27. the 7th belt wheels, 28. the 8th belt wheels；
3. gauge wheel, 4. corn rootstalk cutting devices, 5. pick up reducing mechanism, 51. flail knife axles, 52. dynamic flail knives, 6. conveying devices, 61.
Auger, 62. blower fans, 63. conveyance conduits, 64. discharge pipes, 65. cases, 66. stationary knifes, 7. ditching devices, 71. main shafts, 72. open
Ditch cutterhead, 8. covering devices, 9. suppression devices.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment 1：As Figure 1-Figure 2, the present invention includes frame 1, transmission device 2 and in the frame 1 by going
Enter the corn rootstalk cutting device 4 of front end to rear end, pick up reducing mechanism 5, conveying device 6, ditching device 7, covering device 8 and suppression device
9；
The breaking disk of the corn rootstalk cutting device 4 is placed in ridge platform position, for breaking；Ditching device 7 is placed between two adjacent ridge platforms
Furrow position, with respect to ditching device 7 every group of both sides of furrower disc 72 set two stubble disks；
As shown in figure 4, the pickup reducing mechanism 5 is existing structure, the case 65 of conveying device 6 is connected, stalk is thrown；
As shown in Figure 3-Figure 5, described one end of conveying device 6 sets case 65, and reducing mechanism is picked up by the connection of case 65
5, escort the stalk after crushing；The other end is delivered in 7 open channels of ditching device by transfer pipeline 63.
The conveying device 6 includes case 65, blower fan 62, auger 61, transfer pipeline 63 and discharge pipe 64, the case
65 covers are placed on the flail knife axle 51 and auger 61 of picking up reducing mechanism 5, and auger 61 be arranged in parallel with flail knife axle 51, the one end of auger 61
The porch of blower fan 62 is connected to, blower fan 62 is arranged on the side of frame 1, and conveyance conduit 63 is connected to the port of export of blower fan 62, positioned at opening
The discharge pipe 64 at the rear of ditch device 7 is connected to the end of conveyance conduit 63.
As shown in Figure 4, Figure 5, described one end of case 65 coordinates with picking up the flail knife axle 51 of reducing mechanism 5, case 65 at this
Central angle be that α is 120, cover on flail knife axle 51, be provided with and coordinate relatively with flail knife 52 on flail knife axle 51 on this section of case 65
The stationary knife 66 of installation, coordinates chopping stalk；The other end coordinates with auger 61, and 360 ° of-β of central angle of case 65 are 270 ° at this,
Cover on auger 61, the stalk after transmission crushing.
Cutter head gap H between the flail knife 52 and stationary knife 66 is 3~6mm.Flail knife and each 16 of stationary knife.
Vent 67 is additionally provided with the discharge pipe 64, reduces the pressure in conveyance conduit, stalk is steadily placed in institute
Open in furrow.
As shown in figure 5, being apart from L between the axis of auger 61 of the conveying device 6 of flail knife axle 51 for picking up reducing mechanism 5
400~600mm.
As shown in fig. 6, the ditching device 7 includes the trench digging that trench digging main shaft 71 and two is symmetricly set on trench digging main shaft 71
Cutterhead 72, two 72 angle γ of trench digging cutterhead are 5 °.The two trench digging cutterhead 72 is arranged on main shaft 71 by regulating bolt, edge
The transverse shifting of main shaft 71 adjusts installation site.The ditching depth of the trench digging cutterhead 72 is 260mm.
Gauge wheel 3 is additionally provided with the machine frame at two sides 1 of corn rootstalk cutting device 4, the breaking disk 41 of corn rootstalk cutting device 4, which passes through, can adjust
The mounting bracket of height is connected in frame 1, and regulation breaking disk embedded depth is 70~80mm.
After corn rootstalk cutting device 4 of the present invention cuts the root of crop stubble, the rotation that flail knife 52 crushes main shaft 51 with picking up can be with
The stalk that keeps flat of being scattered is picked up, while being crushed, being rubbed to stalk.Then crushing straw is delivered in auger 61,
Stalk after crushing is delivered to the entrance of blower fan 62 by auger 61 to the left, and crushing straw is drawn onto into blower fan by the suction of blower fan 62
In 62.It is rotated in by the high speed of vane rotor in blower fan 62 and huge normal pressure is formed at air outlet, the stalk of crushing is fast
In speed feeding conveyance conduit 63, eventually pass 64 times outlets of discharge pipe and send into crushing straw in the ditch that ditching device 7 is held successfully.Cover
The soil of ditch both sides is filled out back in ditch after native disk walking, stalk is pressed under the soil of backfill, suppression device 9 is suppressed.
The crushing straw for being most scattered in field at last is crushed and buried among soil.
Trench digging cutterhead 72 is symmetrically mounted on trench digging main shaft 71, and cutterhead 72 can be along the transverse shifting of main shaft 71.According to straw
The different returning to the field amounts of stalk adjust trench digging width, by crushing straw it is all buried while, reduce the power of trench digging consumption.It is described to open
Well ditching depth has reached 260mm to the hack effect of ditch device 7 simultaneously.While realizing truly buried, serve broken
The effect of soil and subsoiling, reduce equipment enters ground number of times, reduces financial cost.
The left and right covering blade of covering device 8 can be laterally adjusted.According to trench digging width difference and soil spread,
Two covering blade spacing are adjusted, soil is uniformly fallen back in ditch.
The transmission device is the line shaft by tractor, by power transmission to gearbox, the first band on gearbox
The 3rd belt wheel installed on the second belt wheel 22 that wheel 21 passes to power on the flail knife axle 51 for picking up reducing mechanism 5, flail knife axle 51
The 5th belt wheel 25 on 23 the 4th belt wheels 24 for passing to power on the screw-conveyer-shaft of conveying device 6, the screw-conveyer-shaft of conveying device 6 is by power
The 8th belt wheel that the 7th belt wheel 27 on the 6th belt wheel 26 passed on deboost axle, deboost axle passes to power on trench digging cutterhead 72
28。
The present invention operation principle be：First Pneumatic type straw deep-burying and returning machine hanger bracket and matching tractor are hanged before operation
Suspension mechanism is mounted, then the gearbox of transmission device 2 is connected with tractor rear output shaft by Cardan shaft, and it is dilatory to start
Machine simultaneously combines rear output shaft.At this moment unit starts into ground operation, and after breaking disk cuts the root stubble of crop, flail knife 52 is with pickup
Crush will can the be scattered stalk that keeps flat of the rotation of main shaft 51 to be picked up, while crushing stalk, rubbing.Then will be broken
Stalk is delivered in auger 61 along case 65, and the stalk after crushing is delivered to the entrance of blower fan 62 by auger 61 to the left, passes through
Crushing straw is drawn onto in blower fan 62 by the suction of blower fan 62.It is rotated at air outlet and is formed by the high speed of vane rotor in blower fan 62
Huge normal pressure, the stalk of crushing is rapidly feeding in conveyance conduit 63, eventually passes 64 times outlets of discharge pipe by broken straw
In the ditch that stalk feeding ditching device 7 is held successfully.Covering device 8 fills out back the soil of ditch both sides in ditch after walking, and stalk is pressed in back
Under the soil filled out, suppression device 9 and ditching device 7 well width of ditch are engaged, dress on the suppression mobile jib 91 of suppression device 9
There is spring 92 to increase the pressure of suppression, by crushing straw and the soil compression of backfill.The crushing straw in field is most scattered at last
Crushed and buried among soil with the stalk of setting.
Embodiment 2：This example is as different from Example 1：Case described in this example is matched somebody with somebody with picking up the flail knife axle of reducing mechanism
The central angle for closing end is that α is 140 °；360 ° of-β of central angle with auger abutting end are 270 °, the stalk after transmission crushing.It is described
Dynamic cutter head gap H between flail knife and stationary knife is 60mm.The auger axis of the flail knife axle and conveying device for picking up reducing mechanism
Between apart from L be 400~600mm.The ditching device includes trench digging main shaft and two and is symmetricly set on the trench digging ditched on main shaft
Angle γ is 10 ° between cutterhead, two trench digging cutterheads.
Embodiment 3：This example is as different from Example 1：Case described in this example is matched somebody with somebody with picking up the flail knife axle of reducing mechanism
The central angle for closing end is that α is 130 °；360 ° of-β of central angle with auger abutting end are 260 °, the stalk after transmission crushing.It is described
Dynamic cutter head gap H between flail knife and stationary knife is 50mm.The auger axis of the flail knife axle and conveying device for picking up reducing mechanism
Between apart from L be 900mm.The ditching device includes trench digging main shaft and two and is symmetricly set on the trench digging cutterhead ditched on main shaft,
Angle γ is 8 ° between two trench digging cutterheads.
Embodiment 4：This example is as different from Example 1：Case described in this example is matched somebody with somebody with picking up the flail knife axle of reducing mechanism
The central angle for closing end is that α is 135 °；360 ° of-β of central angle with auger abutting end are 250 °, the stalk after transmission crushing.It is described
Dynamic cutter head gap H between flail knife and stationary knife is 40mm.The auger axis of the flail knife axle and conveying device for picking up reducing mechanism
Between apart from L be 950mm.The ditching device includes trench digging main shaft and two and is symmetricly set on the trench digging cutterhead ditched on main shaft,
Angle γ is 6 ° between two trench digging cutterheads.
Embodiment 5：This example is as different from Example 1：Case described in this example is matched somebody with somebody with picking up the flail knife axle of reducing mechanism
The central angle for closing end is that α is 125 °；360 ° of-β of central angle with auger abutting end are 265 °, the stalk after transmission crushing.It is described
Dynamic cutter head gap H between flail knife and stationary knife is 45mm.The auger axis of the flail knife axle and conveying device for picking up reducing mechanism
Between apart from L be 850mm.The ditching device includes trench digging main shaft and two and is symmetricly set on the trench digging cutterhead ditched on main shaft,
Angle γ is 9 ° between two trench digging cutterheads.
Claims (10)
1. a kind of Pneumatic type straw deep-burying and returning machine, it is characterised in that：Including frame, transmission device and in the frame by
Corn rootstalk cutting device, pickup reducing mechanism, conveying device, ditching device, covering device and the suppression device of front end to rear end,
The breaking disk of the corn rootstalk cutting device is placed in ridge platform position, breaks corn stubble on the platform of ridge；
The pickup reducing mechanism, connects the case of conveying device, throws stalk；
Described conveying device one end sets case, picks up reducing mechanism by case connection, escorts the stalk after crushing；The other end
It is delivered to by transfer pipeline in ditching device institute open channels.
2. Pneumatic type straw deep-burying and returning machine according to claim 1, it is characterised in that：The conveying device include case,
Blower fan, auger, transfer pipeline and discharge pipe, the case cover are placed on the flail knife axle and auger of picking up reducing mechanism, auger
It is be arranged in parallel with flail knife axle, one end is connected at fans entrance, blower fan is arranged on frame side, conveyance conduit is connected to blower fan and gone out
Mouth end, the discharge pipe positioned at ditching device rear is connected to conveyance conduit end.
3. Pneumatic type straw deep-burying and returning machine according to claim 2, it is characterised in that：Crushed with picking up described case one end
The flail knife axle of device coordinates, and covers on flail knife axle, is provided with this section of case and coordinates what is be mounted opposite with moving flail knife on flail knife axle
Stationary knife, coordinates chopping stalk, central angle of case is that α is 120~140 ° at this；The other end coordinates with auger, covers on auger,
360 ° of-β of case central angle are 240~270 ° at this, the stalk after transmission crushing.
4. Pneumatic type straw deep-burying and returning machine according to claim 3, it is characterised in that：Between between the dynamic flail knife and stationary knife
Gap h is 3~6mm.
5. Pneumatic type straw deep-burying and returning machine according to claim 2, it is characterised in that：It is additionally provided with the discharge pipe
Vent, reduces the pressure in conveyance conduit, and stalk is steadily placed in opened furrow.
6. Pneumatic type straw deep-burying and returning machine according to claim 1 or claim 2, it is characterised in that：The pickup reducing mechanism
Between flail knife axle and the auger axis of conveying device apart from L be 400~600mm.
7. Pneumatic type straw deep-burying and returning machine according to claim 1, it is characterised in that：The ditching device, which includes trench digging, to be led
Axle and two be symmetricly set on trench digging main shaft on trench digging cutterhead, two trench digging cutterheads between angle γ be 5~10 °.
8. Pneumatic type straw deep-burying and returning machine according to claim 6, it is characterised in that：The two trench digging cutterhead passes through regulation
Bolt is arranged on trench digging main shaft, adjusts installation site along main shaft transverse shifting, the ditching depth of trench digging cutterhead is 260mm.
9. Pneumatic type straw deep-burying and returning machine according to claim 6, it is characterised in that：In the corn rootstalk cutting device machine frame at two sides
It is additionally provided with gauge wheel.
10. Pneumatic type straw deep-burying and returning machine according to claim 1, it is characterised in that：The transmission device includes speed change
Case, conveyer belt and belt wheel, the output shaft of gear-box end set the first belt wheel, are connected by belt band and pick up getting rid of for reducing mechanism
The 3rd belt wheel installed on the second belt wheel on cutter shaft, flail knife axle is connected with the 4th belt wheel on conveying device screw-conveyer-shaft by belt
Connect, the 7th belt wheel that the 5th belt wheel on screw-conveyer-shaft is connected by belt on the 6th belt wheel on deboost axle, deboost axle passes through skin
With the 8th belt wheel on connection trench digging cutterhead, realize that power is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005423.1U CN206371099U (en) | 2017-01-04 | 2017-01-04 | A kind of Pneumatic type straw deep-burying and returning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005423.1U CN206371099U (en) | 2017-01-04 | 2017-01-04 | A kind of Pneumatic type straw deep-burying and returning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206371099U true CN206371099U (en) | 2017-08-04 |
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ID=59403463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720005423.1U Expired - Fee Related CN206371099U (en) | 2017-01-04 | 2017-01-04 | A kind of Pneumatic type straw deep-burying and returning machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106717477A (en) * | 2017-01-04 | 2017-05-31 | 沈阳农业大学 | Pneumatic type straw deep-burying and returning machine |
| CN107667671A (en) * | 2017-09-27 | 2018-02-09 | 昆明理工大学 | A kind of straw stubble crushing and returning to field machine |
| CN109964628A (en) * | 2019-04-23 | 2019-07-05 | 李婉茹 | Stalk cutting crushes the collection buried ploughing apparatus of ditch |
| CN110063122A (en) * | 2019-04-23 | 2019-07-30 | 李婉茹 | The method that the collection buried stalk of the buried ploughing apparatus of ditch plows is crushed using stalk cutting |
| CN110089214A (en) * | 2019-05-18 | 2019-08-06 | 哈尔滨市农业科学院 | Air-sweeping type ridge platform surface stalk removes monomer |
| CN111034456A (en) * | 2019-12-24 | 2020-04-21 | 泗县伟达农机具有限公司 | Double-shaft straw crushing and returning machine |
| CN114027017A (en) * | 2021-11-20 | 2022-02-11 | 华北水利水电大学 | Corn stalk returning equipment |
-
2017
- 2017-01-04 CN CN201720005423.1U patent/CN206371099U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106717477A (en) * | 2017-01-04 | 2017-05-31 | 沈阳农业大学 | Pneumatic type straw deep-burying and returning machine |
| CN106717477B (en) * | 2017-01-04 | 2022-11-22 | 沈阳农业大学 | Pneumatic straw deep-burying field-returning machine |
| CN107667671A (en) * | 2017-09-27 | 2018-02-09 | 昆明理工大学 | A kind of straw stubble crushing and returning to field machine |
| CN109964628A (en) * | 2019-04-23 | 2019-07-05 | 李婉茹 | Stalk cutting crushes the collection buried ploughing apparatus of ditch |
| CN110063122A (en) * | 2019-04-23 | 2019-07-30 | 李婉茹 | The method that the collection buried stalk of the buried ploughing apparatus of ditch plows is crushed using stalk cutting |
| CN110089214A (en) * | 2019-05-18 | 2019-08-06 | 哈尔滨市农业科学院 | Air-sweeping type ridge platform surface stalk removes monomer |
| CN111034456A (en) * | 2019-12-24 | 2020-04-21 | 泗县伟达农机具有限公司 | Double-shaft straw crushing and returning machine |
| CN114027017A (en) * | 2021-11-20 | 2022-02-11 | 华北水利水电大学 | Corn stalk returning equipment |
| CN114027017B (en) * | 2021-11-20 | 2023-08-08 | 华北水利水电大学 | Corn stalk returning equipment |
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Granted publication date: 20170804 Termination date: 20180104 |