CN211429947U - Stubble burying device for rotary tillage field returning machine and rotary tillage field returning machine - Google Patents
Stubble burying device for rotary tillage field returning machine and rotary tillage field returning machine Download PDFInfo
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- CN211429947U CN211429947U CN201922057928.4U CN201922057928U CN211429947U CN 211429947 U CN211429947 U CN 211429947U CN 201922057928 U CN201922057928 U CN 201922057928U CN 211429947 U CN211429947 U CN 211429947U
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- rotary tillage
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Abstract
The utility model relates to a bury stubble device for on still field machine of rotary tillage, bury the stubble break bar including burying stubble break bar axle and several, bury stubble break bar axle both ends pin joint on still field machine support body of rotary tillage, the several buries stubble break bar equidistance and establishes on burying stubble break bar axle. Each stubble burying cutter wheel comprises a plurality of stubble burying cutters, and the stubble burying cutters are rotationally and symmetrically arranged to form a cutter wheel; the arc-shaped outer edge of each stubble burying cutter is provided with a plurality of stubble burying notches. The stubble burying notch on the stubble burying cutter wheel can increase the contact area between the stubble burying cutter and the grass straws, and the grass straws are pressed into the soil in a rotating way along with the rotation of the roller shaft of the stubble burying cutter. The utility model discloses still relate to a rotary tillage field returning machine with bury stubble device, including support body, rotary tillage cutter roller axle, rotary tillage cutter wheel, bury stubble cutter roller axle and bury the stubble cutter wheel, wherein rotary tillage cutter roller axle with bury stubble cutter roller axle pin joint in proper order on the support body, the key feature is that improve for the multi-functional soil preparation machine of rotary tillage before the dual-purpose biax of paddy field, after bury the stubble and press the grass, reduced the activity duration, greatly improve the operating efficiency.
Description
Technical Field
The utility model relates to agricultural machinery, in particular to a stubble burying device used on a rotary tillage field returning machine and a rotary tillage field returning machine with the stubble burying device.
Background
After corresponding crops in corn, rice and wheat planting areas are harvested, harvested straws and rice or wheat stubbles scattered are left in the fields. In order to ensure subsequent planting, straws, rice stubbles and wheat stubbles in fields need to be correspondingly treated, collection and incineration are generally carried out at present, but a large amount of smoke dust is generated in the incineration process, so that the haze content is increased sharply, the environment is polluted in a large range, and normal traffic, production and life of common people are seriously influenced. At present, corresponding laws and regulations are provided in many regions to prohibit the burning of straws, so that new requirements are put forward on the treatment or recovery of the straws, but the geographic positions of many farmlands cause inconvenience in straw recovery, or the large amount of the straws causes high recovery cost, so that measures for returning the straws to the field are proposed. The existing rotary cultivator is a single-shaft machine with a single rotary tillage function, the straws in the rotary tillage land are scattered in small pieces, the straws can not be effectively buried and returned to the field, the size difference of the straws and the straw stalks of different crops after rotary tillage or cutting is large, an effective stubble burying device and a rotary tillage stubble burying all-in-one machine which are suitable for various crops in various terrains are not available at present, and the great difficulty is increased for the stubble burying and returning to the field.
Disclosure of Invention
The utility model provides a still field all-in-one of rotary tillage that is used for the stubble device of burying on the still field machine of rotary tillage and has the stubble device to above-mentioned technical problem.
The utility model provides a pair of bury stubble device for on still field machine of rotary tillage, bury the stubble break bar including burying stubble break bar axle and several, bury stubble break bar both ends pin joint on still field machine support body of rotary tillage, bury on the stubble break bar axle the equidistance and be equipped with the several and bury the stubble break bar, bury the stubble break bar and bury the stubble break bar axle coaxial.
Each stubble burying cutter wheel comprises a plurality of stubble burying cutters, and the stubble burying cutters are rotationally and symmetrically arranged to form a cutter wheel; the upper part of the arc-shaped outer edge of each stubble burying cutter is provided with a plurality of stubble burying notches. The stubble burying notch is a non-equilateral horn-shaped notch, the angle of the notch 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 shaft in a staggered mode.
The stubble burying device also comprises a grass blocking grating, wherein the grass blocking grating consists 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 positioned in front of the roller shaft of the stubble burying cutter, and the grass blocking grating inclines towards the roller shaft of the stubble burying cutter; each stubble burying cutter wheel extends into each grid gap of the grass blocking grids.
The utility model provides a rotary tillage field returning machine with stubble burying device, which comprises a frame body, a rotary tillage cutter roll shaft, a rotary tillage cutter wheel, a stubble burying cutter roll shaft and a stubble burying cutter wheel, wherein the rotary tillage cutter roll shaft and the stubble burying cutter roll shaft are sequentially pivoted on the frame body, the rotary tillage cutter roll shaft is in front, and the stubble burying cutter roll shaft is behind; a plurality of rotary tillage cutter wheels are arranged on the rotary tillage cutter roll shaft at equal intervals, and a plurality of stubble burying cutter wheels are arranged on the stubble burying cutter roll shaft at equal intervals; the stubble burying cutter wheel comprises a plurality of stubble burying cutters, and the stubble burying cutters are rotationally and symmetrically arranged to form the cutter wheel; the upper part of the arc-shaped outer edge of each stubble burying cutter is provided with a plurality of stubble burying notches. The stubble burying notch is a non-equilateral horn-shaped notch, the angle of the notch 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 field returning machine also comprises a grass blocking grating, wherein the grass blocking grating consists of a plurality of vertical 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 roller shaft of the stubble burying cutter, and the grass blocking grating inclines towards the roller shaft of the stubble burying cutter; each stubble burying cutter wheel extends into each grid gap of the grass blocking grids.
The rotary tillage field returning machine also comprises a transmission case, an input bevel gear shaft and two transmission half shafts, wherein the transmission case is arranged at the front end of the frame body, the input bevel gear shaft is pivoted on the transmission case, the two transmission half shafts are respectively pivoted on two sides of the transmission case, and a bevel gear of the input bevel gear shaft is internally meshed with a bevel gear of the transmission half shaft in the transmission case; one side of the transmission half shaft is connected with the rotary tillage cutter roll shaft through a transmission component, and the other side of the transmission half shaft is connected with the stubble burying cutter roll shaft through a transmission component.
The outer end of the transmission half shaft at one side is provided with a gear which is connected with a gear of a rotary tillage cutter roll shaft through a gear transmission component; the outer end of the transmission half shaft at the other side is provided with a chain wheel which is connected with the chain wheel of the stubble burying cutter roll shaft through a chain transmission component.
The rear part of the frame body is connected with a grass pressing plate through an elastic plate, and a plurality of arc grass pressing teeth are arrayed on the lower part of the grass pressing plate at equal intervals; the grass pressing plate is pivoted with a connecting rod, a supporting rod is sleeved on the connecting rod, and the other end of the supporting rod is fixed on the frame body; the connecting rod is also sleeved with a return spring, 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.
The utility model discloses a theory of operation:
the utility model provides a bury stubble device for rotary tillage field returning machine can install and cooperate the rotary cultivator to use on the support body of rotary cultivator, will bury the stubble device and install at the rotary cultivator rear portion, along with the rotary cultivator in-process of marcing forward, provide power by the power input system of rotary cultivator, the drive buries stubble cutter roller axle and rotates forward, buries the stubble cutting wheel on the stubble cutter roller axle and rotates thereupon, buries the stubble notch on every piece of burial stubble cutter arc outer fringe on the stubble cutting wheel with the help of the grass straw spinning income soil, bury stubble still field processing effectively to the straw or the grass pole after the rotary tillage; the grass blocking grating blocks grass straws or soil blocks raised by the rotary cultivator, prevents the stubble burying cutter wheel from being wound or blocked, and simultaneously, the stubble burying cutter wheel rotates the grass straws blocked on the grass blocking grating into the soil along with the rotation.
The utility model provides a pair of rotary tillage is still field machine with bury stubble device installs foretell stubble device of burying, bury the stubble device and install at the rotary cultivator rear portion, hang the rotary tillage still field machine and connect at the tractor rear portion, input bevel gear axle passes through the universal joint and is connected with tractor power take off, the power of tractor passes to the input bevel gear axle of this quick-witted transmission case through power take off shaft, through a pair of bevel gear one-level speed reduction and redirecting, transmit gear and sprocket with power by two transmission semi-axles are rotatory, the gear of one side transmission semi-axis passes through gear drive subassembly and transmits power for rotary tillage cutter roller axle, it is rotatory to drive rotary tillage cutter roller axle, the sprocket of opposite side transmission semi-axis passes through chain drive subassembly and transmits power for burying stubble cutter roller axle, the. The rotary tillage cutter roll shaft rotates to drive the rotary tillage cutter wheel to carry out rotary tillage on planting soil, the stubble burying device synchronously operates, the stubble burying cutter roll shaft drives the stubble burying cutter wheel to rotate, grass straws are pressed into the soil through stubble burying notches in arc-shaped outer edges of the stubble burying cutter, the grass blocking grids are matched with the stubble burying cutter wheel, the stubble burying cutter wheel rotates the grass straws or soil blocks blocked on the grass blocking grids into the soil in a spinning mode, and then the straw or the grass straws after rotary tillage are effectively buried in the stubble and returned to the field. The rear part of the stubble burying device can further realize the functions of pressing grass and leveling the soil through the grass pressing plate connected by the elastic plate, the elastic plate connected with the grass pressing plate and the return 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 by the arc grass pressing teeth arrayed at equal intervals on the lower part of the grass pressing plate.
The utility model has the advantages that:
the utility model provides a stubble burying device used on a rotary tillage field returning machine, a stubble burying notch on a 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 adopts an arc-shaped arrangement, the grass straws are pressed into soil in a rotating way along with the rotation of a stubble burying cutter roller shaft, and a good stubble burying effect is achieved; the straw blocking grating is matched with the straw blocking grating to prevent straw or soil blocks rolled up by the rotary cultivator from being wound on the straw blocking cutter wheel or blocking the straw blocking cutter wheel, the straw blocking grating blocks the straw outside the straw blocking cutter wheel, the straw blocking cutter wheel is helped to press the straw into soil, and the straw blocking rate and the straw blocking operation efficiency are improved. The radius of the stubble burying cutter wheel, namely the length of the stubble burying cutter can be designed according to the soil condition and related requirements, and the stubble burying depth is finally realized within the range of 0-40 cm; the width between the stubble burying cutter wheels and the width of the grass blocking grating can be designed according to relevant indexes such as the length, the hardness and the like of grass straws, so that the stubble burying cutter wheels and the grass blocking grating are matched with each other, the stubble burying rate and the operation efficiency are improved, and the stubble burying effect can reach more than 98 percent.
The utility model provides a pair of rotary tillage is field machine with bury stubble device, key feature is by the single rotary tillage function improvement of unipolar in the past before the dual-purpose biax of paddy field, bury the multi-functional soil preparation machine of stubble and pressure grass after, really accomplish can once advance to accomplish the rotary tillage hack, the rhizome is smashed, the making beating, bury the stubble, operation such as level land, this machine can carry out the rotary tillage before wheat reaps back rice planting, smash, harrow thick liquid, bury the stubble etc. and drag flat operation, can carry out the rotary tillage straw rotary tillage after rice reaps again, smash, bury the stubble and directly plant the wheat, the activity time has been reduced, need not to advance the ground operation many times, prevent that machinery from advancing ground many times and causing destruction to the soil, greatly improve the operating efficiency. The pollution and damage of the burnt straws to the environment are completely eradicated, organic fertilizer can be formed after the roots and the stalks are returned to the field for a certain time, the using amount of the chemical fertilizer is reduced, the planting cost of farmers is greatly reduced, the soil is prevented from being hardened and alkalized or acidified by excessive use of the chemical fertilizer, and the economic benefit and the social benefit of planting are greatly improved. The front rotary tillage adopts gear transmission, the rear stubble is embedded by chain transmission, and the revolution of the front shaft and the rear shaft is controlled by the number ratio of a large gear and a small gear and the gear ratio of a chain wheel, so that the revolution of the front shaft and the rear shaft is reasonably configured, and an ideal working effect is achieved.
Drawings
FIG. 1 is a schematic structural view of a stubble burying device used in a rotary tillage field returning machine of the present invention;
FIG. 2 is a schematic view of a stubble burying cutter wheel of the stubble burying device of the utility model used on a rotary tillage field returning machine;
FIG. 3 is a schematic view of the grass-blocking grid structure of the stubble-burying device of the present invention;
FIG. 4 is a first schematic structural view of a rotary tillage field returning machine with stubble burying device of the present invention;
FIG. 5 is a schematic structural view of a rotary tillage field returning machine with a stubble burying device of the present invention;
FIG. 6 is a schematic view of a cross-sectional structure of a rotary tillage field returning machine with a stubble burying device of the present invention;
1. the stubble burying cutter comprises a stubble burying cutter roll shaft 2, a stubble burying cutter wheel 3, a frame body 4, a stubble burying cutter 5, a stubble burying notch 6, a grass blocking grid 7, a rotary tillage cutter roll shaft 8, a rotary tillage cutter wheel 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 return spring.
Detailed Description
Shown in the attached drawings 1-3 in the specification:
the utility model provides a pair of bury stubble device for on still field machine of rotary tillage, bury stubble break bar 1 and several and bury stubble break bar 2 including burying stubble break bar axle, 1 both ends pin joint of bury stubble break bar axle on still field machine support body 3 of rotary tillage, bury on the stubble break bar axle 1 equidistance and be equipped with the several and bury stubble break bar 2, bury stubble break bar 2 and bury stubble break bar axle 1 coaxial.
Each stubble burying cutter wheel 2 comprises three stubble burying cutters 4, and the three stubble burying cutters 4 are rotationally and symmetrically arranged to form a cutter wheel; three stubble burying notches 5 are arranged at the upper part of the arc-shaped outer edge of each stubble burying cutter 4. The stubble burying notch 5 is a non-equilateral horn-shaped notch, the angle of the notch is more 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 of the stubble burying notch 5 and the arrangement of the long edge and the short edge are beneficial to burying the grass straws into the soil when the stubble burying cutter 4 rotates downwards, and when the stubble burying cutter rotates out of the soil, the long edge of the stubble burying notch 5 can not take out the straws which are buried into the soil.
The stubble burying cutter wheels 2 are arranged on the stubble burying cutter roll shaft 1 in a staggered mode, so that missed straw is prevented from being buried.
Bury the stubble device still including keeping off grass grid 6, fender grass grid 6 constitute by the vertical elastic tooth of several that the equidistance array set up, keep off grass grid 6 and fix on machine frame body 3, be located and bury stubble cutter roller axle 1 the place ahead, keep off grass grid 6 to burying stubble cutter roller axle 1 side slope, can make grass straw take the advantage of the situation and slide down, every buries in stubble cutter wheel 2 stretches into and keeps off every grid space of grass grid 6, is convenient for bury stubble cutter wheel 2 and buries the stubble.
Shown in figures 1-6 in conjunction with the description:
the utility model provides a rotary tillage field returning machine with stubble burying device, which comprises a frame body 3, a rotary tillage cutter roller shaft 7, a rotary tillage cutter wheel 8, a stubble burying cutter roller shaft 1 and a stubble burying cutter wheel 2, wherein the rotary tillage cutter roller shaft 7 and the stubble burying cutter roller shaft 1 are sequentially pivoted on the frame body 3, the rotary tillage cutter roller shaft 7 is in front, the stubble burying cutter roller shaft 1 is behind, and the stubble burying cutter roller shaft 1 clockwise rotates forwards; a plurality of rotary tillage cutter wheels 8 are equidistantly arranged on the rotary tillage cutter roll shaft 7, and a plurality of stubble burying cutter wheels 2 are equidistantly arranged on the stubble burying cutter roll shaft 1.
Each stubble burying cutter wheel 2 comprises three stubble burying cutters 4, and the stubble burying cutters 4 are rotationally and symmetrically arranged to form a cutter wheel; three stubble burying notches 5 are arranged at the upper part of the arc-shaped outer edge of each stubble burying cutter 4. The stubble burying notch 5 is a non-equilateral horn-shaped notch, the angle of the notch is more 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.
Still including keeping off the grass grid 6 in the field machine of rotary tillage, keep off the vertical elasticity tooth of several that the grass grid 6 set up by the equidistance array and constitute, keep off the grass grid 6 and fix on support body 3, be located and bury stubble knife roller axle 1 the place ahead, keep off the slope of grass grid 6 to burying stubble knife roller axle 1 side, can make the grass straw glide to the same direction, every piece buries in stubble break wheel 2 stretches into and keeps off every grid space of grass grid 6, is convenient for bury stubble wheel 2 and buries the stubble.
The rotary tillage field returning machine further comprises a transmission case 9, an input bevel gear shaft 10 and two transmission half shafts 11, wherein the transmission case 9 is arranged at the front end of the frame body 3, the input bevel gear shaft 10 is pivoted on the transmission case 9, the two transmission half shafts 11 are respectively pivoted on two sides of the transmission case 9, and bevel gears of the input bevel gear shaft 10 and bevel gears of the transmission half shafts 11 are internally meshed in the transmission case 9; one side of the transmission half shaft 11 is connected with the rotary tillage cutter roll shaft 7 through a transmission component, and the other side of the transmission half shaft 11 is connected with the stubble burying cutter roll shaft 1 through a transmission component.
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 tillage cutter roll shaft 7 through a gear transmission component 12; 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 cutter 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, and a plurality of arc grass pressing teeth 16 are arrayed on the lower part of the grass pressing plate 15 at equal intervals; the upper part of the grass pressing plate 15 is pivoted with a connecting rod 17, the upper end of the connecting rod 17 is sleeved with a supporting rod 18, and the other end of the supporting rod 18 is fixed on the frame body 3; the connecting rod 17 is also sleeved with a return spring 19, one end of the return spring 19 is fixed on the connecting rod 17, and the other end of the return spring is connected with the supporting rod 18.
The utility model discloses a theory of operation:
the utility model provides a bury stubble device for rotary tillage field returning machine can install and cooperate the rotary cultivator to use on the support body 3 of rotary cultivator, will bury the stubble device and install at the rotary cultivator rear portion, along with the rotary cultivator is marchd the in-process forward, provide power by the power input system of rotary cultivator, drive and bury stubble cutter roller axle 1 forward clockwise rotation, bury stubble cutter wheel 2 on the stubble cutter roller axle 1 and rotate along with it, bury in the straw stalk with the help of burying stubble spinning notch 5 on the arc outer fringe of every 4 pieces of bury stubble cutters on the stubble cutter wheel 2, bury stubble still field processing effectively to the straw or straw stalk after the rotary tillage; the grass blocking grating 6 blocks the grass straws or soil blocks rolled by the rotary cultivator, prevents the stubble burying cutter wheel 2 from being wound or blocks the stubble burying cutter wheel 2, and simultaneously the stubble burying cutter wheel 2 spins the grass straws blocked on the grass blocking grating 6 into the soil along the trend.
The utility model provides a pair of rotary tillage is still field machine with bury stubble device installs foretell stubble device of burying, bury the stubble device and install at the rotary cultivator rear portion, hang the rotary tillage still field machine and connect at the tractor rear portion, input bevel gear axle 10 passes through universal joint and tractor power take off hub connection, the power of tractor passes to the input bevel gear axle 10 of this quick-witted transmission case 9 through power output shaft, through a pair of bevel gear one-level speed reduction and redirecting, transmit gear and sprocket for power by two transmission semi-axis 11 rotations, the gear of one side transmission semi-axis 11 passes through gear drive subassembly 12 and transmits power for rotary tillage cutter roller 7, it is rotatory to drive rotary tillage cutter roller 7, the sprocket of opposite side transmission semi-axis 11 passes through chain drive subassembly 13 and transmits power for burying stubble cutter roller 1, the drive buries stubble cutter roller 1 rotatory. The rotary tillage cutter roll shaft 7 rotates to drive the rotary tillage cutter wheel 8 to carry out rotary tillage on planting soil, roots and grass straws are crushed, the stubble burying device synchronously runs, the stubble burying cutter roll shaft 1 drives the stubble burying cutter wheel 2 to rotate, the grass straws are pressed into the soil through the stubble burying notches 5 on the arc outer edges of the stubble burying cutters 4, the grass blocking grids 6 are matched with the stubble burying cutter wheel 2, the grass straws or soil blocks blocked on the grass blocking grids 6 are spun into the soil by the stubble burying cutter wheel 2, and then the straw or the grass straws after rotary tillage are effectively buried in the stubble and returned to the field. The rear part of the stubble burying device can further realize the functions of pressing grass and leveling the soil through the grass pressing plate 15 connected with the elastic plate 14, the elastic plate 14 connected with the grass pressing plate 15 and the return spring 19 connecting rod 17 connected with the upper part of the grass pressing plate provide certain elasticity and pressure for the grass pressing plate 15, and grass straws are further pressed into the soil and compacted the soil through the arc grass pressing teeth 16 arrayed at the lower part of the grass pressing plate 15 at equal intervals.
Claims (8)
1. A bury stubble device for rotary tillage still field machine which characterized in that: the stubble burying cutter comprises 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, and a plurality of stubble burying cutter wheels are arranged on the stubble burying cutter roll shaft at equal intervals; the stubble burying cutter wheel comprises a plurality of stubble burying cutters, and the stubble burying cutters are rotationally and symmetrically arranged to form the cutter wheel; the upper part of the arc-shaped outer edge of each stubble burying cutter is provided with a plurality of stubble burying notches.
2. The stubble burying device for the rotary tillage field returning machine as claimed in claim 1, wherein: the stubble burying cutter wheels are arranged on the stubble burying cutter roll shaft in a staggered mode.
3. The stubble burying device for the rotary tillage field returning machine as claimed in claim 1, wherein: the straw blocking grating is fixed on a machine frame body and positioned in front of a stubble burying cutter roller shaft, and the straw blocking grating inclines towards the stubble burying cutter roller shaft side; each stubble burying cutter wheel extends into each grid gap of the grass blocking grids.
4. A rotary tillage field returning machine with a stubble burying device as claimed in claim 1, characterized in that: the stubble-burying rotary cultivator comprises a frame body, a rotary tillage cutter roll shaft, rotary tillage cutter wheels, a stubble-burying cutter roll shaft and stubble-burying cutter wheels, wherein the rotary tillage cutter roll shaft and the stubble-burying cutter roll shaft are sequentially pivoted on the frame body; the stubble burying cutter wheel comprises a plurality of stubble burying cutters, and the stubble burying cutters are rotationally and symmetrically arranged to form the cutter wheel; the arc-shaped outer edge of each stubble burying cutter is provided with a plurality of stubble burying notches.
5. A rotary tillage field returning machine with a stubble burying device as claimed in claim 4, wherein: the straw blocking grating is fixed on the frame body and positioned in front of the roller shaft of the stubble burying cutter, and the straw blocking grating inclines towards the roller shaft of the stubble burying cutter; each stubble burying cutter wheel extends into each grid gap of the grass blocking grids.
6. A rotary tillage field returning machine with a stubble burying device as claimed in claim 4, wherein: the transmission case is arranged at the front end of the frame body, the input bevel gear shaft is pivoted on the transmission case, the two transmission half shafts are respectively pivoted on two sides of the transmission case, and the bevel gear of the input bevel gear shaft and the bevel gear of the transmission half shaft are internally meshed in the transmission case; one side of the transmission half shaft is connected with the rotary tillage cutter roll shaft through a transmission component, and the other side of the transmission half shaft is connected with the stubble burying cutter roll shaft through a transmission component.
7. The rotary tillage field returning machine with the stubble burying device as claimed in claim 6, wherein: the outer end of the transmission half shaft at one side is provided with a gear which is connected with a gear of a rotary tillage cutter roll shaft through a gear transmission component; the outer end of the transmission half shaft at the other side is provided with a chain wheel which is connected with the chain wheel of the stubble burying cutter roll shaft through a chain transmission component.
8. A rotary tillage field returning machine with a stubble burying device as claimed in claim 4, wherein: the rear part of the frame body is connected with a grass pressing plate through an elastic plate, and a plurality of arc grass pressing teeth are arrayed on the lower part of the grass pressing plate at equal intervals; the upper part of the grass pressing plate is pivoted with a connecting rod, the upper end of the connecting rod is sleeved with a supporting rod, and the other end of the supporting rod is fixed on the frame body; the connecting rod is also sleeved with a return spring, 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 |
|---|---|---|---|
| CN201922057928.4U CN211429947U (en) | 2019-11-26 | 2019-11-26 | Stubble burying device for rotary tillage field returning machine and rotary tillage field returning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922057928.4U CN211429947U (en) | 2019-11-26 | 2019-11-26 | Stubble burying device for rotary tillage field returning machine and rotary tillage field returning machine |
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| Publication Number | Publication Date |
|---|---|
| CN211429947U true CN211429947U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922057928.4U Active CN211429947U (en) | 2019-11-26 | 2019-11-26 | Stubble burying device for rotary tillage field returning machine and rotary tillage field returning machine |
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| CN (1) | CN211429947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113748758A (en) * | 2021-08-25 | 2021-12-07 | 安徽科技学院 | Portable field composter |
-
2019
- 2019-11-26 CN CN201922057928.4U patent/CN211429947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113748758A (en) * | 2021-08-25 | 2021-12-07 | 安徽科技学院 | Portable field composter |
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