CN117501966A - Corn stalk returning crushing equipment - Google Patents
Corn stalk returning crushing equipment Download PDFInfo
- Publication number
- CN117501966A CN117501966A CN202311784760.1A CN202311784760A CN117501966A CN 117501966 A CN117501966 A CN 117501966A CN 202311784760 A CN202311784760 A CN 202311784760A CN 117501966 A CN117501966 A CN 117501966A
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- CN
- China
- Prior art keywords
- root
- frame
- pulling
- shaft
- crushing
- Prior art date
- 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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Links
- 240000008042 Zea mays Species 0.000 title claims abstract description 76
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 76
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims description 70
- 235000005822 corn Nutrition 0.000 title claims description 70
- 239000000463 material Substances 0.000 claims abstract description 59
- 210000000078 claw Anatomy 0.000 claims abstract description 58
- 239000010902 straw Substances 0.000 claims abstract description 46
- 238000007599 discharging Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 abstract description 20
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 abstract description 6
- 230000012010 growth Effects 0.000 abstract description 6
- 235000009973 maize Nutrition 0.000 abstract description 6
- 230000035699 permeability Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract 1
- 239000011295 pitch Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/8355—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for cutting up or crushing remaining standing stalks, e.g. stubble
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The utility model provides a maize straw still field crushing apparatus, which comprises a frame, the roll-changing axle is connected in the middle of the frame lower part, roll-changing axle sliding connection is a set of root pulling frame, root pulling frame sliding connection is No. two axles simultaneously, no. two axle fixed connection frames, root pulling frame connects a set of rotation material seat that changes, material seat and an axle connection, an axle rotation connection frame, the broken axle is connected in the lower part rotation in the middle of the frame, roll-changing axle and root pulling frame mutually support, can adapt to different maize row spacing, make every root pulling frame all can be accurate aim at the maize straw root of lower part, because every claw that pulls out the root frame all is curved structure, make every maize straw root all can be pulled out, there is not the residue of root, the compactness of remaining root system soil has been avoided, reduce the permeability of soil, thereby influence the normal growth of crop root system, maize structure root broken dynamics can be controlled, avoid broken particle size unsuitable soil layer bad structure that causes.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to corn straw returning crushing equipment.
Background
In the process of crushing and returning corn straw into the field, sometimes after corn is harvested, the upper part of the corn straw is harvested and transferred, only the root of the straw is left in the field and remains in the field, at this time, only the root of the corn straw is crushed and returned to the field, the conventional crushing and returning mode of the corn straw root generally adopts a cutter to penetrate into the field, the corn straw root is crushed in a mode similar to rotary tillage, the mode has the following problems that firstly, the cutter needs to consume a large amount of energy to overcome the resistance of the field during crushing due to the penetration of the cutter into the field, the consumption of energy is increased, secondly, the cutter penetrates into the field to crush, the straw root crushing cutter cannot be suitable for returning the field to granularity, the straw is not crushed finely enough, the soil layer structure is poor, the soil ventilation is poor, and the root growth of crops is affected. Thirdly, the crushing of the straw roots is incomplete, the residues still exist at the roots, the residual straw returning can possibly increase the compactness of soil and reduce the permeability of the soil, so that the normal growth of crop roots is affected, and fourth, the straw roots cannot be crushed according to the accurate row spacing of corns.
Disclosure of Invention
The invention aims at the defects in the prior art, and provides the corn straw returning crushing equipment for extracting and crushing the corn roots to the proper granularity capable of returning the corn roots to the field, which avoids the compactness of the residual root system soil, reduces the permeability of the soil, thereby affecting the normal growth of the crop roots and accurately extracting and crushing the straw roots according to the line spacing of corn.
The invention aims at realizing the following technical scheme:
the utility model provides a maize straw still field crushing apparatus, includes the frame, rotate in the middle of the frame lower part and connect the displacement axle, displacement axle sliding connection is a set of root pulling frame, pulls out root pulling frame and simultaneously sliding connection No. two axles, no. two axle fixed connection frames, pulls out root pulling frame and connects a set of rotation material seat, changes material seat and a hub connection, a hub rotation connection frame, the lower part rotates in the middle of the frame and connects broken axle.
The middle of the lower part of the frame is provided with two symmetrical second bearing seats, a first hole on the upper part of the second bearing seat is rotationally connected with two sides of a pitch-changing shaft, a middle groove is arranged in the middle of a cylindrical surface of the pitch-changing shaft, two sides of the middle groove are respectively provided with a group of pitch-adjusting grooves, the pitch-adjusting grooves on two sides of the middle groove are respectively symmetrically arranged, one group of pitch-adjusting grooves are grooves with gradually changed pitch, a root pulling frame is respectively connected in the middle groove and the pitch-adjusting groove, a deflector rod frame pin on the upper part of each root pulling frame is correspondingly connected with the middle groove and the pitch-adjusting groove, a root pulling frame hole in the middle of one group of root pulling frames is slidingly connected with a second shaft through a key, and two sides of the second shaft are fixedly connected with a second hole on the lower part of the second bearing seat.
The beneficial effects are that: the invention is connected with a motor vehicle, the motor vehicle is driven to drive the device to move forwards, the device randomly moves forwards, the pulling claw at the lower part of the pulling root frame is inserted into soil and penetrates through the root of corn straw, the root of corn straw is pulled out of a field under the action of the arc pulling claw, the pulled root of corn straw moves upwards along the arc surface of the pulling claw, when the variable-pitch shaft rotates, the pulling root frame which is in sliding connection with the middle groove keeps the middle position, the pulling root frame which is in sliding connection with the distance-adjusting groove moves left and right under the driving of the distance-adjusting groove, the distance-adjusting groove with gradually changed pitch enables the adjacent pulling root frames to keep equidistant synchronous movement, and the adjustment enables the pulling root frames to adapt to the change of different corn row distances, so that each pulling root frame can be aligned with the root of corn straw which needs to be pulled out.
According to the invention, after the roots of corn straws are pulled out by the pulling claws at the lower part of the root pulling frame, the corn straw roots move upwards along the surfaces of the arc pulling claws, when the material transferring seat rotates, the material transferring claws pass through the middle parts of the two adjacent pulling claws, the arc material transferring claws drive the corn roots to the rear side, the blades at the upper parts of the pulling claws cut the straw roots from the middle parts, the corn straw roots pass through the pulling claws to the rear side under the drive of the material transferring claws, when the material transferring seat rotates, a group of material transferring claws pass through the middle parts of the guiding plate grooves, the straw roots carried by the material transferring claws are blocked by the guiding plate, the straw roots are left on the surface of the guiding plate and slide downwards along the surface of the guiding plate, the straw roots sliding from the guiding plate fall onto the inclined material receiving plate, the corn structure roots slide into the crushing cavity along the material receiving plate, the straw roots sliding into the crushing cavity are crushed by the cutter on the crushing shaft rotating, and the crushed corn straw roots flow out of the discharging holes at the lower part of the crushing cavity and uniformly fall into a field.
The variable-pitch shaft and the root pulling frames are matched with each other, so that each root pulling frame can be accurately aligned with the lower corn straw root, each corn straw root can be pulled out due to the arc-shaped structure of each root pulling frame, no root residue exists, the compactness of residual root system soil is avoided, the permeability of the soil is reduced, the normal growth of the crop root system is influenced, the resistance of the device is minimum when the cylindrical root pulling frame walks in a field, the problem that a large amount of energy is consumed by a cutter to overcome the resistance of the field when the cutter penetrates into the field to crush is avoided, the consumption of energy is reduced, and the force for crushing the corn structure root can be controlled due to the fact that the cutter on the crushing shaft can be selected according to the size and hardness of the corn root, the problem that the soil layer structure is poor in structure and the soil ventilation is poor due to improper crushing granularity is avoided.
Drawings
Fig. 1 is a schematic structural view of a corn stalk returning crushing device according to the invention.
Fig. 2 is a schematic diagram of the front structure of the corn stalk returning crushing device.
Fig. 3 is a schematic diagram of the bottom structure of the corn stalk returning crushing device.
Fig. 4 is a schematic view of a connection structure of a crushing shaft according to the present invention.
Fig. 5 is a schematic view of a frame structure according to the present invention.
Fig. 6 is a schematic view of the bottom structure of the frame according to the present invention.
Fig. 7 is a schematic view of a root shifting frame according to the present invention.
Fig. 8 is a schematic diagram of a material transferring seat according to the present invention.
Fig. 9 is a schematic view of a variable pitch shaft according to the present invention.
Description of the embodiments
The invention is described in further detail below with reference to the drawings and examples:
referring to fig. 1, 2 and 3, a corn stalk returning crushing device comprises a frame 110, a variable-pitch shaft 140 is rotatably connected in the middle of the lower part of the frame 110, the variable-pitch shaft 140 is slidably connected with a group of root pulling frames 120, the root pulling frames 120 are simultaneously slidably connected with a second shaft 160, the second shaft 160 is fixedly connected with the frame 110, the root pulling frames 120 are connected with a group of rotary material seats 130, the rotary material seats 130 are connected with a first shaft 150, the first shaft 150 is rotatably connected with the frame 110, and the lower part of the middle of the frame 110 is rotatably connected with a crushing shaft 170.
Referring to fig. 1, 2, 3, 5, 7, and 9, two symmetrical second bearing seats 112 are disposed in the middle of the lower portion of the frame 110, a first hole 113 on the upper portion of the second bearing seat 112 is rotatably connected with two sides of the variable-pitch shaft 140, a middle groove 141 is disposed in the middle of a cylindrical surface of the variable-pitch shaft 140, a set of distance-adjusting grooves 142 are disposed at two sides of the middle groove 141, the distance-adjusting grooves 142 on two sides of the middle groove 141 are symmetrically disposed, the set of distance-adjusting grooves 142 are grooves with gradually changed pitches, a root pulling frame 120 is connected in the middle groove 141 and the distance-adjusting groove 142, a deflector rod frame pin 122 on the upper portion of each root pulling frame 120 is slidably connected with the corresponding middle groove 141 and the distance-adjusting groove 142, a root pulling frame hole 121 in the middle of the root pulling frame 120 is slidably connected with the second shaft 160 through a key, and two sides of the second shaft 160 are fixedly connected with a second hole 114 on the lower portion of the second bearing seat 112.
Referring to fig. 7, the front side of the root pulling frame 120 is provided with a connecting rod 125, the front side of the connecting rod 125 is provided with a group of pulling claws 127 with arc-shaped lower parts, and the front side of the upper parts of the pulling claws 127 is provided with a blade 128.
According to the device, when a random motor car moves forwards, the pulling claws 127 at the lower part of the pulling root frame 120 are inserted into soil and penetrate through the roots of corn straws, the corn straw roots are pulled out of a field under the action of the arc pulling claws 127, the pulled straw roots move upwards along the arc surfaces of the pulling claws 127, when the variable-pitch shaft 140 is rotated, the pulling root frame 120 which is in sliding connection with the middle groove 141 keeps the middle position, the pulling root frame 120 which is in sliding connection with the distance-adjusting groove 142 moves left and right under the driving of the distance-adjusting groove 142, the pitch-gradual distance-adjusting groove 142 enables the adjacent pulling root frames 120 to keep equidistant synchronous movement, the above adjustment enables the pulling root frames 120 to adapt to the change of the row spacing of different corn straws, so that each pulling root frame 120 can be aligned with the corn straw roots to be pulled out, and as each pulling claw 127 of each pulling root frame 120 is of an arc-shaped structure, a group of pulling claws 127 can accurately pull out the corn straw roots, residues of each corn straw root can be avoided, the resistance of the cylindrical pulling root can be reduced when the device is used for making the inside the field, and the resistance of the field can be reduced, and the problem of the cutter consumption of the cutter can be reduced deeply overcome.
Referring to fig. 8, two symmetrical first bearing seats 111 are provided at the lower part of the front side of the frame 110, the first bearing seats 111 are rotatably connected with a first shaft 150, a group of material rotating seats 130 are connected to the first shaft 150, the material rotating seat holes 131 in the middle of each material rotating seat 130 are slidably connected with the first shaft 150 through keys, and the lower part of the pulling plate 126 at one side of each connecting rod 125 is inserted into the material rotating seat groove 132 at one side of the corresponding material rotating seat 130.
Referring to fig. 8, the surface of the material transferring seat 130 is provided with a plurality of groups of arc-shaped material transferring claws 133, each group of material transferring claws 133 is uniformly distributed on a cross section perpendicular to the axis of the material transferring seat 130, and when the material transferring seat 130 rotates, each group of material transferring claws 133 passes between two corresponding adjacent pulling claws 127.
After the roots of the corn stalks are pulled out by the pulling claws 127 at the lower part of the root pulling frame 120, the roots of the corn stalks move upwards along the surfaces of the arc pulling claws 127, when the material rotating seat 130 rotates, the material rotating claw 133 passes through the middle of the two adjacent pulling claws 127, the arc material rotating claw 133 drives the corn roots to the rear side, the blades 128 at the upper parts of the pulling claws 127 cut the roots of the corn stalks from the middle, and the corn stalks pass through the pulling claws 127 to the rear side under the driving of the material rotating claw 133.
Referring to fig. 7, the lower portion of the root pulling frame 120 is provided with an arc-shaped guiding plate 123, a group of guiding plate grooves 124 are provided between the guiding plates 123, and when the material turning seat 130 rotates, a group of material turning claws 133 pass through the middle of the guiding plate grooves 124, the root of the straw carried by the material turning claws 133 is blocked by the guiding plate 123, and the root of the straw remains on the surface of the guiding plate 123 and slides down along the surface of the guiding plate 123.
Referring to fig. 4 and 6, a crushing cavity 115 is disposed at the middle lower portion of the frame 110, an upper opening 117 is disposed at the upper portion of the crushing cavity 115, an inclined receiving plate 118 is disposed at the front side of the upper opening 117, the receiving plate 118 is disposed at the lower portion of the guiding plate 123, a crushing cavity hole 116 in the middle of the crushing cavity 115 is rotatably connected with a crushing shaft 170, a set of cutters are connected to the surface of the crushing shaft 170, an upper cover 180 is fixedly connected to the upper portion of the crushing cavity 115, and a discharging hole 119 through which crushed straw flows out is disposed at the lower portion of the crushing cavity 115.
The stalk roots sliding from the guiding-out plate 123 fall onto the inclined receiving plate 118, the corn structure roots slide into the crushing cavity 115 along the receiving plate 118, the stalk roots sliding into the crushing cavity 115 are crushed by the cutter on the crushing shaft 170 which rotates, the crushed corn stalk roots flow out from the discharging hole 119 at the lower part of the crushing cavity 115 and uniformly fall into the field, and the strength of crushing the corn structure roots can be controlled because the cutter on the crushing shaft 170 can be selected according to the size and hardness of the corn roots.
The operation method of the corn stalk returning crushing equipment comprises the following steps that when the device is used, the device is connected with a motor vehicle, the motor vehicle is driven to drive the device to move forwards, the device randomly moves forwards, the pulling claws 127 at the lower parts of the root pulling frames 120 are inserted into soil and penetrate through the roots of corn stalks, the roots of the corn stalks are pulled out of the field under the action of the arc-shaped pulling claws 127, the pulled-out roots of the corn stalks move upwards along the arc-shaped surfaces of the pulling claws 127, when the pitch-changing shaft 140 is rotated, the root pulling frames 120 which are in sliding connection with the middle groove 141 keep the middle position to be motionless, and the root pulling frames 120 which are in sliding connection with the pitch-changing grooves 142 move left and right under the driving of the pitch-changing grooves 142 enable the adjacent root pulling frames 120 to keep equidistant synchronous movement, the root pulling frames 120 can adapt to the change of different corn row pitches, and each root pulling frame 120 can be aligned with the roots of the corn stalks needing to be pulled out.
After the roots of the corn stalks are pulled out by the pulling claws 127 at the lower part of the root pulling frame 120, the corn stalks move upwards along the surfaces of the arc pulling claws 127, when the material transferring seat 130 rotates, the material transferring claw 133 passes through the middle of the two adjacent pulling claws 127, the corn stalks are driven to the rear side by the arc material transferring claw 133, the stalks are cut off from the middle by the blades 128 at the upper part of the pulling claws 127, the corn stalks pass through the pulling claws 127 to the rear side by the driving of the material transferring claw 133, when the material transferring seat 130 rotates, a group of material transferring claws 133 pass through the middle of the leading-out plate groove 124, the stalks carried by the material transferring claw 133 are blocked by the leading-out plate 123, the stalks are left on the surface of the leading-out plate 123 and slide downwards along the surface of the leading-out plate 123, the stalks sliding from the leading-out plate 123 fall onto the inclined material receiving plate 118, the corn structure roots slide into the crushing cavity 115 along the material receiving plate 118, the stalks sliding into the crushing cavity 115 are crushed by the cutter on the rotating crushing shaft 170, and the crushed corn stalks flow out from the discharging hole 119 at the lower part of the crushing cavity 115 and uniformly fall into the ground.
The variable-pitch shaft 140 and the root pulling frame 120 are matched with each other, so that different corn row spacing can be adapted, each root pulling frame 120 can be accurately aligned with the corn straw root at the lower part, each pulling claw 127 of the root pulling frame 120 is of an arc-shaped structure, each corn straw root can be pulled out, residues of the root are avoided, the compactness of residual root system soil is avoided, the permeability of the soil is reduced, the normal growth of the crop root system is influenced, the cylindrical pulling claw 127 enables the resistance of the device to be minimum when the device walks in the field, the problem that a large amount of energy is required to be consumed to overcome when the cutter is used for crushing the field, the consumption of energy is reduced, and the crushing strength of the corn structure root can be controlled due to the fact that the cutter on the crushing shaft 170 can be selected according to the size and hardness of the corn root, the poor soil layer structure caused by unsuitable crushing granularity is avoided, the soil permeability is poor, and the growth problem of the crop root system is influenced.
Claims (5)
1. The corn straw returning crushing equipment is characterized by comprising a frame (110), wherein a variable-pitch shaft (140) is rotationally connected in the middle of the lower part of the frame (110), the variable-pitch shaft (140) is slidably connected with a group of root pulling frames (120), the root pulling frames (120) are slidably connected with a second shaft (160), the second shaft (160) is fixedly connected with the frame (110), the root pulling frames (120) are connected with a group of rotary material rotating seats (130), the rotary material rotating seats (130) are connected with a first shaft (150), the first shaft (150) is rotationally connected with the frame (110), and the lower part of the frame (110) is rotationally connected with a crushing shaft (170); the device is characterized in that two symmetrical second bearing seats (112) are arranged at the lower part of the frame (110), a first hole (113) at the upper part of each second bearing seat (112) is rotationally connected with a variable-pitch shaft (140), a middle groove (141) is arranged in the middle of a cylindrical surface of each variable-pitch shaft (140), a group of distance-adjusting grooves (142) are respectively arranged at two sides of each middle groove (141), the distance-adjusting grooves (142) at two sides of each middle groove (141) are symmetrically arranged, a root pulling frame (120) is respectively connected in each middle groove (141) and each distance-adjusting groove (142), a pulling rod frame pin (122) at the upper part of each root pulling frame (120) is correspondingly connected with the corresponding middle groove (141) and the corresponding distance-adjusting groove (142), root pulling frame holes (121) in the middle of one group of the root pulling frames (120) are slidably connected with a second shaft (160) through keys, and the second holes (114) at the lower part of the second bearing seats (112) are fixedly connected at two sides of the second shaft (160); the root pulling frame (120) front side is provided with a connecting rod (125), the connecting rod (125) front side is provided with a group of arc-shaped pulling claws (127) at the lower part, and the front side of the upper part of the pulling claws (127) is provided with a blade (128).
2. The corn stalk returning crushing equipment according to claim 1, wherein two symmetrical first bearing seats (111) are arranged at the lower part of the front side of the frame (110), the first bearing seats (111) are rotationally connected with a first shaft (150), a group of material rotating seats (130) are connected to the first shaft (150), material rotating seat holes (131) in the middle of each material rotating seat (130) are connected with the first shaft (150) in a sliding mode through keys, and the lower parts of pulling plates (126) on one side of each connecting rod (125) are inserted into material rotating seat grooves (132) on one side of the corresponding material rotating seat (130).
3. The corn stalk returning to field crushing equipment according to claim 2, wherein a plurality of groups of arc-shaped material rotating claws (133) are arranged on the surface of the material rotating seat (130), each group of material rotating claws (133) are uniformly distributed on a cross section perpendicular to the axis of the material rotating seat (130), and each group of material rotating claws (133) passes through between two corresponding adjacent pulling claws (127) when the material rotating seat (130) rotates.
4. A corn stalk returning crushing device according to claim 3, wherein the root pulling frame (120) is provided with an arc-shaped guide plate (123) at the lower part, a group of guide plate grooves (124) are arranged between the guide plates (123), when the material turning seat (130) rotates, a group of material turning claws (133) pass through the middle of the guide plate grooves (124), the roots of the stalks carried by the material turning claws (133) are blocked by the guide plate (123), and the roots of the stalks remain on the surface of the guide plate (123) and slide downwards along the surface of the guide plate (123).
5. The corn stalk returning crushing equipment according to claim 1, wherein a crushing cavity (115) is arranged at the lower part in the middle of the frame (110), an upper opening (117) is arranged at the upper part of the crushing cavity (115), an inclined receiving plate (118) is arranged at the front side of the upper opening (117), the receiving plate (118) is arranged at the lower part of the guiding-out plate (123), a crushing cavity hole (116) in the middle of the crushing cavity (115) is rotationally connected with a crushing shaft (170), the surface of the crushing shaft (170) is connected with a group of cutters, the upper part of the crushing cavity (115) is fixedly connected with an upper cover (180), and a discharging hole (119) from which crushed stalk flows out is arranged at the lower part of the crushing cavity (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311784760.1A CN117501966B (en) | 2023-12-23 | 2023-12-23 | Corn stalk returning crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311784760.1A CN117501966B (en) | 2023-12-23 | 2023-12-23 | Corn stalk returning crushing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117501966A true CN117501966A (en) | 2024-02-06 |
| CN117501966B CN117501966B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311784760.1A Active CN117501966B (en) | 2023-12-23 | 2023-12-23 | Corn stalk returning crushing equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN117501966B (en) |
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| CN209659962U (en) * | 2019-03-22 | 2019-11-22 | 青岛理工大学 | A kind of straw returning machine knife blade |
| CN210726066U (en) * | 2019-10-09 | 2020-06-12 | 张亚丽 | Still field device is smashed to farming straw |
| CN211322106U (en) * | 2019-12-22 | 2020-08-25 | 佳木斯万晨农业科技开发有限公司 | Ground and underground straw smashing and returning device for rice |
| CN218125344U (en) * | 2022-09-23 | 2022-12-27 | 河北省农业机械化研究所有限公司 | Straw smashing layered burying machine |
| CN116267188A (en) * | 2023-05-16 | 2023-06-23 | 中国科学院东北地理与农业生态研究所 | Corn stalk returning device |
| CN116711532A (en) * | 2023-06-14 | 2023-09-08 | 昆明理工大学 | Multi-stage crushing, throwing and returning machine for adjustable straw |
| CN116868781A (en) * | 2023-08-29 | 2023-10-13 | 山东盛源种业有限公司 | Full-amount corn and soybean straw returning pulverizer |
| CN117044481A (en) * | 2023-09-27 | 2023-11-14 | 河南豪丰农业装备有限公司 | Straw crushing and returning machine |
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| CN117501966B (en) | 2024-04-16 |
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