CN110915323B - Stubble burying device for rotary tillage returning machine and rotary tillage returning machine - Google Patents
Stubble burying device for rotary tillage returning machine and rotary tillage returning machine Download PDFInfo
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- CN110915323B CN110915323B CN201911170012.8A CN201911170012A CN110915323B CN 110915323 B CN110915323 B CN 110915323B CN 201911170012 A CN201911170012 A CN 201911170012A CN 110915323 B CN110915323 B CN 110915323B
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- stubble burying
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/02—Combined machines with two or more soil-working tools of different kind
- A01B49/022—Combined machines with two or more soil-working tools of different kind at least one tool being actively driven
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Abstract
The invention relates to a stubble burying device for a rotary tillage field returning machine and the rotary tillage field returning machine, which comprises a stubble burying knife roll shaft and a plurality of stubble burying knife wheels, the stubble burying knife roll shafts are pivoted on the rotary tillage returning machine frame body at two ends, and a plurality of stubble burying knife wheels are equidistantly arranged on the stubble burying knife roll shafts. Each stubble burying cutter wheel comprises a plurality of stubble burying cutters which are rotationally symmetrically arranged to form the cutter wheel, and a plurality of stubble burying notches are arranged on the arc-shaped outer edge of each stubble burying cutter. The stubble burying notch on the stubble burying cutter wheel can increase the contact area between the stubble burying cutter and the grass straw, and the grass straw is screwed into the soil along with the rotation of the roller shaft of the stubble burying cutter. The invention also relates to a rotary tillage returning machine with the stubble burying device, which comprises a frame body, a rotary tillage knife roll shaft, a rotary tillage knife wheel, a stubble burying knife roll shaft and a stubble burying knife wheel, wherein the rotary tillage knife roll shaft and the stubble burying knife roll shaft are sequentially pivoted on the frame body.
Description
Technical Field
The invention relates to an agricultural machine, in particular to a stubble burying device for a rotary tillage field returning machine and the rotary tillage field returning machine with the stubble burying device.
Background
After the corresponding crops in the corn, rice and wheat planting areas are harvested, the straw and rice stubble or wheat stubble which are thrown away after harvesting are left in the fields. In order to ensure the subsequent planting, corresponding treatment is required to be carried out on the straws, rice stubble and wheat stubble in the field, the existing rotary cultivator is a single-shaft single rotary tillage machine, the soil straws subjected to rotary tillage are finely dispersed and scattered, the straws cannot be effectively buried and returned to the field, the size difference of the straws and grass rods of different crops after rotary tillage or cutting is large, and an effective stubble burying device and a rotary tillage stubble burying integrated machine which are applicable to various crops with various terrains are not available at present, so that great difficulty is increased to the stubble burying and returning work.
Disclosure of Invention
The invention aims at the technical problems and provides a stubble burying device for a rotary tillage field returning machine and a rotary tillage field returning integrated machine with the stubble burying device.
The invention provides a stubble burying device for a rotary tillage field returning machine, which comprises a stubble burying cutter roll shaft and a plurality of stubble burying cutter wheels, wherein two ends of the stubble burying cutter roll shaft are pivoted on a rotary tillage field returning machine frame body, the stubble burying cutter roll shaft is provided with the plurality of stubble burying cutter wheels at equal intervals, and the stubble burying cutter wheels are coaxial with the stubble burying cutter roll shaft.
Each stubble burying cutter wheel comprises a plurality of stubble burying cutters which are rotationally symmetrically arranged to form the cutter wheel, and a plurality of stubble burying notches are arranged at the upper part of the arc-shaped outer edge of each stubble burying cutter. The stubble burying notch is a non-equilateral angular notch, the notch angle is more than or equal to 90 degrees, the long side is arranged at the upper part of the arc-shaped outer edge of the stubble burying cutter, and the short side is arranged at the lower part of the arc-shaped outer edge of the stubble burying cutter.
The stubble burying cutter wheels are arranged on the stubble burying cutter roll shafts in a staggered mode.
The stubble burying device further comprises a grass blocking grating, the grass blocking grating is composed of a plurality of vertical elastic teeth which are arranged in an equidistant array, the grass blocking grating is fixed on the machine frame body and is positioned in front of the stubble burying knife roll shaft, the grass blocking grating is inclined to the side of the stubble burying knife roll shaft, and each piece of stubble burying knife wheel extends into each grating gap of the grass blocking grating.
The invention provides a rotary tillage returning machine with a stubble burying device, which comprises a frame body, rotary tillage knife roll shafts, rotary tillage knife wheels, stubble burying knife roll shafts and stubble burying knife wheels, wherein the rotary tillage knife roll shafts and the stubble burying knife roll shafts are sequentially pivoted on the frame body, the rotary tillage knife roll shafts are arranged at the front and behind, a plurality of rotary tillage knife wheels are equidistantly arranged on the rotary tillage knife roll shafts, a plurality of stubble burying knife wheels are equidistantly arranged on the stubble burying knife roll shafts, each stubble burying knife wheel comprises a plurality of stubble burying knives, the stubble burying knives are symmetrically arranged in a rotating mode to form knife wheels, and a plurality of stubble burying notches are formed in the upper portion of the arc-shaped outer edge of each stubble burying knife. The stubble burying notch is a non-equilateral angular notch, the notch angle is more than or equal to 90 degrees, the long side is arranged at the upper part of the arc-shaped outer edge of the stubble burying cutter, and the short side is arranged at the lower part of the arc-shaped outer edge of the stubble burying cutter.
The rotary tillage returning machine also comprises grass blocking grids, wherein the grass blocking grids are composed of a plurality of vertical elastic teeth which are arranged in an equidistant array, the grass blocking grids are fixed on the frame body and are positioned in front of the stubble burying knife roll shafts, the grass blocking grids incline to the side of the stubble burying knife roll shafts, and each stubble burying knife wheel extends into each grid gap of the grass blocking grids.
The rotary tillage returning machine further comprises a transmission box, an input bevel gear shaft and two transmission half shafts, wherein the transmission box is arranged at the front end of the frame body, the input bevel gear shaft is pivoted on the transmission box, the two transmission half shafts are pivoted on two sides of the transmission box respectively, a bevel gear of the input bevel gear shaft is meshed with a bevel gear of the transmission half shaft in the transmission box, one side of the transmission half shaft is connected with a rotary tillage cutter roll shaft through a transmission assembly, and the other side of the transmission half shaft is connected with a stubble burying cutter roll shaft through the transmission assembly.
The outer end of the other side transmission half shaft is provided with a chain wheel which is connected with the chain wheel of the stubble burying cutter roll shaft through a chain transmission assembly.
The rear part of the frame body is connected with a grass pressing plate through an elastic plate, a plurality of arc grass pressing teeth are arrayed at the lower part of the grass pressing plate at equal intervals, a connecting rod is pivoted on the grass pressing plate, a supporting rod is sleeved on the connecting rod, the other end of the supporting rod is fixed on the frame body, a reset spring is sleeved on the connecting rod, one end of the reset spring is fixed on the connecting rod, and the other end of the reset spring is connected with the supporting rod.
The working principle of the invention is as follows:
the stubble burying device for the rotary tillage field returning machine can be arranged on a frame body of the rotary tillage machine to be matched with the rotary tillage machine for use, the stubble burying device is arranged at the rear part of the rotary tillage machine, a power input system of the rotary tillage machine provides power to drive a stubble burying knife roll shaft to rotate forwards along with the forward running process of the rotary tillage machine, stubble burying knife wheels on the stubble burying knife roll shaft rotate along with the stubble burying knife shaft, grass straws are spun into soil by means of stubble burying notches on the arc outer edges of each stubble burying knife on the stubble burying knife wheel, the straw or the straw after rotary tillage is effectively buried and returned to the field, and a grass blocking grid blocks the straw or soil blocks rolled up by the rotary tillage machine, so that the stubble burying knife wheels are prevented from being wound or blocked, and meanwhile, the grass straws blocked on the grass blocking grid are spun into the soil by the stubble burying knife wheels.
The stubble burying device is arranged at the rear part of the rotary cultivator, the rotary cultivator is suspended and connected at the rear part of a tractor, an input bevel gear shaft is connected with a power output shaft of the tractor through a universal joint, the power of the tractor is transmitted to the input bevel gear shaft of a transmission box of the machine through the power output shaft, the power is reduced and changed in direction through a pair of bevel gears, the power is transmitted to a gear and a chain wheel through rotation of two transmission half shafts, the gear of one side transmission half shaft transmits the power to a rotary blade roller shaft through a gear transmission assembly to drive the rotary blade roller shaft to rotate, and the chain wheel of the other side transmission half shaft transmits the power to the stubble burying blade roller shaft through a chain transmission assembly to drive the stubble burying blade roller shaft to rotate. The rotary tillage knife roll shaft rotates to drive the rotary tillage knife wheel to carry out rotary tillage on planting soil, the stubble burying device synchronously operates, the stubble burying knife roll shaft drives the stubble burying knife wheel to rotate, grass straws are pressed into the soil through stubble burying notches on the arc outer edge of the stubble burying knife, the grass blocking grating is matched with the stubble burying knife wheel, the stubble burying knife wheel rotates the grass straws or soil blocks blocked on the grass blocking grating into the soil, and further the straw or grass rods after rotary tillage are effectively buried and returned to the field. The grass pressing plate connected with the rear part of the stubble burying device through the elastic plate can further realize the functions of pressing grass and leveling soil, the elastic plate connected with the grass pressing plate and the reset spring connecting rod connected with the upper part of the elastic plate provide certain elasticity and pressure for the grass pressing plate, and grass straws are further pressed into the soil and compacted into the soil through the arc grass pressing teeth of the equidistant array of the lower part of the grass pressing plate.
The invention has the beneficial effects that:
The stubble burying device for the rotary tillage machine provided by the invention has the advantages that the stubble burying notch on the stubble burying cutter wheel can increase the contact area between the stubble burying cutter and grass straws, the outer edge of the stubble burying cutter is arranged in an arc shape, the grass straws are screwed into soil along with the rotation of the roller shaft of the stubble burying cutter, a good stubble burying effect is achieved, the grass straws or soil blocks rolled up by the rotary cultivator are prevented from winding the stubble burying cutter wheel or blocking the stubble burying cutter wheel by matching with the use of the grass blocking grid, the grass straws are blocked outside the stubble burying cutter wheel by the grass blocking grid, the stubble burying cutter wheel is helped to press the grass straws into the soil, and the stubble burying rate and the stubble burying operation efficiency are improved. The stubble burying cutter wheel radius, namely the length of the stubble burying cutter, can be designed according to soil conditions and related requirements, the stubble burying depth is finally realized within the range of 0-40 cm, and the width between the stubble burying cutter wheels and the width of the grass blocking grating can be designed according to related indexes such as the length, the hardness and the like of grass straws so as to be matched with each other, thereby improving the stubble burying rate and the operation efficiency, and achieving the stubble burying effect of more than 98%.
The invention provides a rotary tillage returning machine with a stubble burying device, which is mainly characterized in that the traditional single-shaft single rotary tillage function is improved into a dual-shaft front rotary tillage, rear stubble burying and grass pressing multifunctional soil preparation machine for paddy and dry fields, so that the operations of rotary tillage soil breaking, root and stem crushing, beating, stubble burying, land leveling and the like can be truly completed in one step. The organic fertilizer can be formed after the rootstock is returned to the field for a certain time, the fertilizer consumption is reduced, the planting cost of farmers is greatly reduced, the soil is prevented from being alkalized or acidified by excessive use of the fertilizer, and the economic benefit and the social benefit of planting are greatly improved. The front rotary tillage adopts gear transmission, the rear stubble burying adopts chain transmission, and the rotation numbers of the front shaft and the rear shaft are controlled through the gear number ratio and the chain wheel gear number ratio, so that the rotation numbers of the front shaft and the rear shaft are reasonably configured, and the ideal working effect is achieved.
Drawings
Fig. 1 is a schematic structural view of a stubble burying device for a rotary tillage returning machine.
Fig. 2 is a schematic view of a stubble burying cutter wheel structure of a stubble burying device for a rotary tillage returning machine.
Fig. 3 is a schematic view of a grass blocking grille structure of the stubble burying device of the present invention.
Fig. 4 is a schematic structural view of a rotary tillage returning machine with a stubble burying device.
Fig. 5 is a schematic diagram II of a rotary tillage returning machine with a stubble burying device.
Fig. 6 is a schematic cross-sectional structure view of a rotary tillage returning machine with a stubble burying device.
1. The stubble burying cutter roll shaft, 2, stubble burying cutter wheels, 3, a frame body, 4, stubble burying cutters, 5, stubble burying notches, 6, grass blocking grids, 7, rotary blade roll shafts, 8, rotary blade wheels, 9, a transmission box, 10, an input bevel gear shaft, 11, a transmission half shaft, 12, a gear transmission assembly, 13, a chain transmission assembly, 14, an elastic plate, 15, a grass pressing plate, 16, grass pressing teeth, 17, a connecting rod, 18, a supporting rod, 19 and a reset spring.
Detailed Description
The method is shown in the accompanying drawings 1-3 in combination with the specification:
The invention provides a stubble burying device for a rotary tillage field returning machine, which comprises a stubble burying cutter roll shaft 1 and a plurality of stubble burying cutter wheels 2, wherein two ends of the stubble burying cutter roll shaft 1 are pivoted on a rotary tillage field returning machine frame body 3, the stubble burying cutter roll shaft 1 is provided with the plurality of stubble burying cutter wheels 2 at equal intervals, and the stubble burying cutter wheels 2 are coaxial with the stubble burying cutter roll shaft 1.
Each stubble burying cutter wheel 2 comprises three stubble burying cutters 4, the three stubble burying cutters 4 are arranged in a rotationally symmetrical mode to form the cutter wheel, and three stubble burying notches 5 are formed in the upper portion of the arc-shaped outer edge of each stubble burying cutter 4. The stubble burying notch 5 is a non-equilateral angular notch, the notch angle is larger than 90 degrees, the long side is arranged at the upper part of the arc-shaped outer edge of the stubble burying cutter 4, and the short side is arranged at the lower part of the arc-shaped outer edge of the stubble burying cutter 4. The angle and the arrangement of the long and short sides of the stubble burying notch 5 are beneficial to burying grass straws into soil when the stubble burying cutter 4 rotates downwards, and the long sides of the stubble burying notch 5 can not bring straws which are buried into the soil out when the stubble burying cutter rotates out of the soil.
The stubble burying cutter wheels 2 are arranged on the stubble burying cutter roll shafts 1 in a staggered mode, so that missing grass straws are prevented from being buried.
The stubble burying device further comprises a grass blocking grille 6, the grass blocking grille 6 is composed of a plurality of vertical elastic teeth arranged in an equidistant array, the grass blocking grille 6 is fixed on the machine frame body 3 and positioned in front of the stubble burying knife roll shaft 1, the grass blocking grille 6 inclines towards the side of the stubble burying knife roll shaft 1, grass straws can slide downwards in a homeopathic manner, each stubble burying knife wheel 2 stretches into each grille gap of the grass blocking grille 6, and stubble burying knife wheels 2 are convenient to bury stubble.
The method is shown in the accompanying drawings 1-6 in combination with the specification:
The invention provides a rotary tillage returning machine with a stubble burying device, which comprises a frame body 3, a rotary tillage knife roll shaft 7, rotary tillage knife rolls 8, stubble burying knife roll shafts 1 and stubble burying knife rolls 2, wherein the rotary tillage knife roll shaft 7 and the stubble burying knife roll shafts 1 are sequentially pivoted on the frame body 3, the rotary tillage knife roll shaft 7 is in front, the stubble burying knife roll shafts 1 are behind, the stubble burying knife roll shafts 1 rotate forwards and clockwise, a plurality of rotary tillage knife rolls 8 are equidistantly arranged on the rotary tillage knife roll shafts 7, and a plurality of stubble burying knife rolls 2 are equidistantly arranged on the stubble burying knife roll shafts 1.
Each stubble burying cutter wheel 2 comprises three stubble burying cutters 4, the stubble burying cutters 4 are symmetrically arranged in a rotating mode to form cutter wheels, and three stubble burying notches 5 are formed in the upper portion of the arc-shaped outer edge of each stubble burying cutter 4. The stubble burying notch 5 is a non-equilateral angular notch, the notch angle is larger than 90 degrees, the long side is arranged at the upper part of the arc-shaped outer edge of the stubble burying cutter 4, and the short side is arranged at the lower part of the arc-shaped outer edge of the stubble burying cutter 4.
The rotary tillage returning machine further comprises grass blocking grids 6, the grass blocking grids 6 are composed of a plurality of vertical elastic teeth arranged in an equidistant array, the grass blocking grids 6 are fixed on the frame body 3 and located in front of the stubble burying cutter roll shafts 1, the grass blocking grids 6 incline towards the side of the stubble burying cutter roll shafts 1, grass straws can slide downwards in a homeopathic manner, each stubble burying cutter wheel 2 stretches into each grid gap of the grass blocking grids 6, and stubble burying cutter wheels 2 are convenient to bury stubble.
The rotary tillage returning machine further comprises a transmission box 9, an input bevel gear shaft 10 and two transmission half shafts 11, wherein the transmission box 9 is arranged at the front end of the frame body 3, the input bevel gear shaft 10 is pivoted on the transmission box 9, the two transmission half shafts 11 are pivoted on two sides of the transmission box 9 respectively, a bevel gear of the input bevel gear shaft 10 and a bevel gear of the transmission half shafts 11 are meshed in the transmission box 9, one side of the transmission half shaft 11 is connected with the rotary tillage cutter roll shaft 7 through a transmission assembly, and the other side of the transmission half shaft 11 is connected with the stubble burying cutter roll shaft 1 through a transmission assembly.
The outer end of the one side transmission half shaft 11 is provided with a gear which is connected with the gear of the rotary blade roll shaft 7 through a gear transmission component 12, and the outer end of the other side transmission half shaft 11 is provided with a chain wheel which is connected with the chain wheel of the stubble burying blade roll shaft 1 through a chain transmission component 13.
The rear part of the frame body 3 is connected with a grass pressing plate 15 through an elastic plate 14, a plurality of arc grass pressing teeth 16 are arrayed at equal intervals on the lower part of the grass pressing plate 15, a connecting rod 17 is pivoted on the upper part of the grass pressing plate 15, a supporting rod 18 is sleeved at the upper end of the connecting rod 17, the other end of the supporting rod 18 is fixed on the frame body 3, a reset spring 19 is sleeved on the connecting rod 17, one end of the reset spring 19 is fixed on the connecting rod 17, and the other end of the reset spring is connected with the supporting rod 18.
The working principle of the invention is as follows:
the stubble burying device for the rotary tillage field returning machine can be arranged on a frame body 3 of the rotary tillage machine to be matched with the rotary tillage machine for use, the stubble burying device is arranged at the rear part of the rotary tillage machine, a power input system of the rotary tillage machine provides power along with the forward advancing process of the rotary tillage machine to drive a stubble burying knife roll shaft 1 to rotate clockwise, a stubble burying knife wheel 2 on the stubble burying knife roll shaft 1 rotates along with the stubble burying knife roll shaft, grass straws are spun into soil by means of stubble burying notches 5 on the arc-shaped outer edge of each stubble burying knife 4 on the stubble burying knife wheel 2, the stubble burying field returning treatment is effectively carried out on the straw or the straw rod after rotary tillage, a grass blocking grid 6 blocks the straw or soil blocks rolled up by the rotary tillage machine, the stubble burying knife wheel 2 is prevented from being wound or blocked, and meanwhile, the stubble burying knife wheel 2 rotates the grass straws blocked on the grass blocking grid 6 in a forward direction.
The stubble burying device is arranged at the rear part of the rotary cultivator, the rotary cultivator is connected to the rear part of a tractor in a hanging way, an input bevel gear shaft 10 is connected with a power output shaft of the tractor through a universal joint, the power of the tractor is transmitted to the input bevel gear shaft 10 of a transmission box 9 of the machine through the power output shaft, the power is transmitted to a gear and a chain wheel through one-stage speed reduction of a pair of bevel gears and changed direction by rotating two transmission half shafts 11, the gear of one transmission half shaft 11 transmits the power to a rotary blade roll shaft 7 through a gear transmission assembly 12, the rotary blade roll shaft 7 is driven to rotate, and the chain wheel of the other transmission half shaft 11 transmits the power to the stubble burying blade roll shaft 1 through a chain transmission assembly 13, so that the stubble burying blade roll shaft 1 is driven to rotate. The rotary tillage knife roll shaft 7 rotates to drive the rotary tillage knife wheel 8 to rotary tillage the planting soil, the rootstalk and straw are crushed, the stubble burying device synchronously operates, the stubble burying knife roll shaft 1 drives the stubble burying knife wheel 2 to rotate, the straw burying notch 5 on the arc outer edge of the stubble burying knife 4 is used for pressing the straw into the soil, the grass blocking grid 6 is matched with the stubble burying knife wheel 2, the stubble burying knife wheel 2 rotates the straw or soil block blocked on the grass blocking grid 6 into the soil, and further the straw or straw rod after rotary tillage is effectively buried in the soil. The grass pressing plate 15 connected to the rear part of the stubble burying device through the elastic plate 14 can further realize the functions of pressing grass and leveling soil, the elastic plate 14 connected to the grass pressing plate 15 and the reset spring 19 connected to the upper part of the elastic plate provide certain elasticity and pressure for the grass pressing plate 15, and grass straws are further pressed into the soil and compacted into the soil through the arc grass pressing teeth 16 which are equidistantly arranged on the lower part of the grass pressing plate 15.
Claims (7)
1. A stubble burying device for a rotary tillage field returning machine is characterized by comprising a stubble burying cutter roll shaft and stubble burying cutter wheels, wherein two ends of the stubble burying cutter roll shaft are pivoted on a machine frame body, a plurality of stubble burying cutter wheels are arranged on the stubble burying cutter roll shaft at equal intervals, each stubble burying cutter wheel comprises a plurality of stubble burying cutters, the stubble burying cutters are rotationally symmetrically arranged to form a cutter wheel, a plurality of stubble burying notches are arranged on the upper part of the arc-shaped outer edge of each stubble burying cutter, the stubble burying notches are unequal-edge-shaped notches, the notch angle is larger than or equal to 90 degrees, the long edges are arranged on the upper part of the arc-shaped outer edge of the stubble burying cutter, the short edges are arranged on the lower part of the arc-shaped outer edge of the stubble burying cutter, and the stubble burying cutter wheels are arranged on the stubble burying cutter roll shaft in a staggered mode.
2. The stubble burying device for rotary tillage returning to the field of claim 1, further comprising a grass blocking grating, wherein the grass blocking grating is composed of a plurality of vertical elastic teeth which are arranged in an equidistant array, the grass blocking grating is fixed on a machine frame body and positioned in front of a stubble burying knife roll shaft, the grass blocking grating is inclined towards the side of the stubble burying knife roll shaft, and each stubble burying knife wheel extends into each grating gap of the grass blocking grating.
3. A rotary tillage field returning machine with stubble burying devices is characterized by comprising a frame body, rotary blade roll shafts, rotary blade wheels, stubble burying blade roll shafts and stubble burying blade wheels, wherein the rotary blade roll shafts and the stubble burying blade roll shafts are sequentially pivoted on the frame body, a plurality of rotary blade wheels are arranged on the rotary blade roll shafts at equal intervals, a plurality of stubble burying blade wheels are arranged on the stubble burying blade roll shafts at equal intervals, each stubble burying blade wheel comprises a plurality of stubble burying blades which are rotationally symmetrically arranged to form a blade wheel, a plurality of stubble burying notches are arranged on the arc-shaped outer edge of each stubble burying blade, the stubble burying notches are non-equilateral angle-shaped notches, the notch angle is larger than or equal to 90 degrees, the long sides are arranged on the upper portion of the arc-shaped outer edge of the stubble burying blade, the short sides are arranged on the lower portion of the arc-shaped outer edge of the stubble burying blade, and the stubble burying blade wheels are staggered on the stubble burying blade roll shafts.
4. The rotary tillage returning machine with stubble burying device as claimed in claim 3, further comprising a grass blocking grating, wherein the grass blocking grating is composed of a plurality of elastic teeth which are arranged in an equidistant array, the grass blocking grating is fixed on the frame body and positioned in front of the stubble burying knife roll shaft, the grass blocking grating is inclined towards the stubble burying knife roll shaft side, and each stubble burying knife wheel extends into each grating gap of the grass blocking grating.
5. The rotary tillage returning machine with stubble burying device as claimed in claim 3, further comprising a transmission box, an input bevel gear shaft and two transmission half shafts, wherein the transmission box is arranged at the front end of the frame body, the input bevel gear shaft is pivoted on the transmission box, the two transmission half shafts are pivoted on two sides of the transmission box respectively, a bevel gear of the input bevel gear shaft is meshed with a bevel gear of the transmission half shaft in the transmission box, one side of the transmission half shaft is connected with the rotary tillage cutter roll shaft through a transmission assembly, and the other side of the transmission half shaft is connected with the stubble burying cutter roll shaft through the transmission assembly.
6. The rotary tillage returning machine with stubble burying device as claimed in claim 5, wherein the outer end of the one side transmission half shaft is provided with a gear, the gear is connected with the gear of the rotary tillage knife roll shaft through a gear transmission assembly, the outer end of the other side transmission half shaft is provided with a chain wheel, and the chain wheel is connected with the chain wheel of the stubble burying knife roll shaft through a chain transmission assembly.
7. The rotary tillage returning machine with stubble burying device as claimed in claim 3, wherein the rear part of the frame body is connected with a grass pressing plate through an elastic plate, a plurality of arc grass pressing teeth are arranged on the lower part of the grass pressing plate in an equidistant array, a connecting rod is pivoted on the upper part of the grass pressing plate, a supporting rod is sleeved on the upper end of the connecting rod, the other end of the supporting rod is fixed on the frame body, a return spring is sleeved on the connecting rod, one end of the return spring is fixed on the connecting rod, and the other end of the return spring is connected with the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170012.8A CN110915323B (en) | 2019-11-26 | 2019-11-26 | Stubble burying device for rotary tillage returning machine and rotary tillage returning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170012.8A CN110915323B (en) | 2019-11-26 | 2019-11-26 | Stubble burying device for rotary tillage returning machine and rotary tillage returning machine |
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| CN110915323A CN110915323A (en) | 2020-03-27 |
| CN110915323B true CN110915323B (en) | 2025-05-27 |
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| CN113455129A (en) * | 2021-08-02 | 2021-10-01 | 盐城市盾田机械制造有限公司 | Rotary tillage stubble-burying beater |
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|---|---|---|---|---|
| CN201409284Y (en) * | 2009-02-16 | 2010-02-24 | 南京赛姆科技发展有限公司 | Double-axis paddy field straw returning plowing machine |
| CN204653057U (en) * | 2015-05-22 | 2015-09-23 | 南京昌荣农机服务专业合作社 | Twin axle reversion pressure buries straw cutting apparatus |
| CN211429947U (en) * | 2019-11-26 | 2020-09-08 | 长春中大拖拉机制造有限公司 | Stubble burying device for rotary tillage field returning machine and rotary tillage field returning machine |
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| CN110915323A (en) | 2020-03-27 |
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