CN213938793U - Straw covering and returning strip tillage machine - Google Patents
Straw covering and returning strip tillage machine Download PDFInfo
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- CN213938793U CN213938793U CN202022988901.XU CN202022988901U CN213938793U CN 213938793 U CN213938793 U CN 213938793U CN 202022988901 U CN202022988901 U CN 202022988901U CN 213938793 U CN213938793 U CN 213938793U
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- 239000010902 straw Substances 0.000 title claims abstract description 84
- 238000003971 tillage Methods 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 239000002689 soil Substances 0.000 claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 238000004049 embossing Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010899 nucleation Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000010405 clearance mechanism Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
A strip tillage machine for covering and returning straws solves the problems that the existing strip tillage machine for covering straws cannot adapt to small row spacing, has high requirements on pretreatment of straws, is easy to drag and stack, cannot uniformly cover straws, and generates big and small seedlings after seeding and the like. The straw covers still field including mechanism, the dark loose hook of positive and negative auger, rotary tillage mechanism, limit dark land wheel mechanism, keep off soil board and land knurling roller and arrange in proper order in the below of main frame after by preceding, the reduction gear setting is at the main frame front end, power transmission mechanism sets up the top at rotary tillage mechanism, rotary tillage mechanism is connected with the power transmission mechanism transmission, power transmission mechanism passes through the universal joint, the transmission shaft is connected with the reduction gear, the reduction gear drives straw through chain drive and covers still field mechanism and rotate, straw covers still field mechanism and drives positive and negative auger rotation through chain drive.
Description
Technical Field
The utility model relates to an agricultural machinery field, concretely relates to straw covers still field strip cultivator.
Background
The protective cultivation technology taking the straw coverage, returning to the field, less no-tillage as the core has attracted the high attention of the country and becomes the basic national policy of the country. The straw mulching, returning, less tillage and no-tillage technology is an effective way for high-efficiency straw fertilizing application, can efficiently improve the utilization rate of corn straw resources, solves the problem of straw treatment in northeast regions, realizes the purposes of overlapping black soil protection and utilization, taking high yield and environmental protection into consideration, and is modern green agricultural production with stable improvement of cultivated land quality and agricultural comprehensive production capacity and obviously enhanced ecological, economic and social benefits. As a core machine of a less-tillage and no-tillage technology for straw mulching and returning, the straw mulching and returning stripe tillage machine gradually eliminates the traditional tillage machine.
The strip tillage machine that present straw covered still field utilizes straw clearance mechanism to return the straw to go, through subsoiler subsoiling root bed, carry out the rotary tillage hack through rotary tillage mechanism, utilize limit dark compression roller and supplementary compression roller to carry out primary suppression and secondary suppression with the soil that the rotary tillage was accomplished, roll the straw of both sides through the suppression wheel, straw clearance mechanism in this structure can be with the straw clearance to treating rotary tillage area both sides, but it can not smash the straw, easily cause the straw overlay area to appear dragging the heap, make the straw can not evenly cover, influence the operation effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve present straw strip cultivator and utilize straw clearance mechanism to return the straw to go, cause the straw to be difficult for smashing, the phenomenon of piling appears dragging, the problem that the straw can not evenly cover, and provide a straw covers still field strip cultivator.
The utility model discloses a strip tillage machine for covering and returning straws to fields, which comprises a main frame (1), a power transmission mechanism (4), a rotary tillage mechanism (5), a soil retaining plate (7), a speed reducer (9), a deep loosening hook (10), a universal joint (11), a transmission shaft (12), a straw covering and returning mechanism (2), a positive and negative auger (3), a ground pressing roller (8), a first chain wheel (13), a second chain wheel (14), a driving chain wheel (15), a driving shaft (16), a first bearing (17), a second bearing (18), a driven chain wheel (19) and a depth limiting wheel mechanism (6);
the deep loosening hook (10) is fixedly arranged below the middle part of the main frame (1), the rotary tillage mechanism (5) is arranged behind the deep loosening hook (10), the rotary tillage mechanism (5) is in transmission connection with the power transmission mechanism (4), the input end of the power transmission mechanism (4) is connected with the transmission shaft (12) through the universal joint (11), the input end of the transmission shaft (12) is connected with the longitudinal output shaft (91) of the speed reducer (9) through the universal joint (11), and the speed reducer (9) is fixedly arranged on the main frame (1);
the straw covering and returning mechanism (2) and the forward and reverse auger (3) are arranged between the speed reducer (9) and the deep scarification hook (10) in a front-back mode, the straw covering and returning mechanism (2) and the auger (3) are located below the main frame (1), the straw covering and returning mechanism (2) comprises a returning shaft (21), a returning knife (22) and a returning bearing seat (23), two ends of the returning shaft (21) are respectively supported in the returning bearing seats (23), the returning bearing seats (23) are fixedly arranged on the main frame (1), and the returning knife (22) is fixedly arranged on the returning shaft (21);
the positive and negative auger (3) comprises an auger shaft (31), a right spiral sheet (32), a left spiral sheet (33) and an auger bearing seat (34), two ends of the auger shaft (31) are respectively supported in the auger bearing seat (34), the auger bearing seat (34) is installed on the main frame (1), the auger shaft (31) is divided into a right end and a left end by taking the transmission shaft (12) as the center, the right spiral sheet (32) is fixedly installed on the right end of the auger shaft (31), and the left spiral sheet (33) is fixedly installed on the left end of the auger shaft (31);
a first chain wheel (13) and a second chain wheel (14) are mounted on the returning shaft (21), the first chain wheel (13) is connected with a driving chain wheel (15) through a chain, the driving chain wheel (15) is mounted at the output end of a driving shaft (16), one end of the driving shaft (16) is supported on a main frame (1) through a first bearing (17), the other end of the driving shaft (16) is supported on a shell of a speed reducer (9) through a second bearing (18), the input end of the driving shaft (16) is connected with a transverse output shaft (92) of the speed reducer (9), the second chain wheel (14) is connected with a driven chain wheel (19) through a chain, and the driven chain wheel (19) is mounted on a packing auger shaft (31);
two depth-limiting land wheel mechanisms (6) are positioned behind the rotary tillage mechanism (5) and symmetrically arranged at two outer sides of the main frame (1), the two depth-limiting land wheel mechanisms (6) are connected with the main frame (1), the soil retaining plate (7) is arranged behind the depth-limiting land wheel mechanisms (6), the upper end of the soil retaining plate (7) is hinged to the main frame (1), the ground embossing roller (8) is arranged behind the soil retaining plate (7), and two ends of the ground embossing roller (8) are hinged to the main frame (1) through the support (83) respectively.
Further, limit dark land wheel mechanism (6) are including fixed plate (61), regulating plate (62), land wheel axle (63), limit dark land wheel (64) and two land wheel bearings (65), be provided with several vertical regulation hole (611) on fixed plate (61), fixed plate (61) and main frame (1) fixed connection, regulating plate (62) are connected through connecting element with fixed plate (61), and land wheel axle (63) are articulated with regulating plate (62), limit dark land wheel (64) are articulated with land wheel axle (63) through two land wheel bearings (65).
Further, ground knurling roller (8) including flower roller axle (81), two disc (82), two support (83) and several compression roller (84), disc (82) are provided with several semicircular groove (822) along the circumferential surface equipartition, two disc (82) are adorned at the both ends of flower roller axle (81) respectively admittedly, set up one compression roller (84) in every semicircular groove (822), two support (83) set up respectively at the both ends of flower roller axle (81), and the one end of support (83) is articulated with flower roller axle (81), the other end and main frame (1) of support (83) are articulated. Other components and connection relationships are the same as those in the first embodiment.
Furthermore, positive and negative auger (3) still include two fans (35), two fans (35) are located main frame (1) and install respectively at the both ends of auger axle (31).
Compared with the prior art, the utility model following beneficial effect has:
firstly, the utility model discloses a straw covers still field mechanism (2) main function smashes the straw, and the straw covers still field mechanism (2) and is anticlockwise rotation, transmits the straw to positive and negative auger (3), because the flight of positive and negative auger (3) left and right ends revolves to the difference, positive and negative auger (3) can divide the straw of smashing to the straw overlay area of seeding area both sides. Through the cooperation of straw cover returning to field mechanism (2) and positive and negative auger (3), the probability of dragging the heap when having reduced the straw return by a wide margin, more thoroughly of seedling area straw clearance, press or kibbling straw to high stubble straw, the straw of standing and combine all have fine treatment effect simultaneously, compare with other models, require lowerly to the pretreatment of straw, increased the scene of straw processing.
Second, the utility model discloses a straw covers still field mechanism (2) is through positive and negative pair auger transposition with ground noodless ploughing area straw collection back, carries out the moderate degree after broken, utilizes the natural wind-force of walking to evenly cover the straw in non-farming no-tillage area, compares with wheeled grass cleaning wheel structure, and is little to the requirement of line/ridge distance, and wide narrow row strip farming all can be implemented to the line distance more than 50 cm. Compared with the prior straw picking and conveying device which utilizes an active blower to convey crushed straws, the power consumption is reduced.
Secondly, because the soil humidity is higher, the outer surface of an auxiliary press roller (solid roller) on the existing straw mulching returning strip tillage machine is often attached with a large amount of soil, so that the pressing effect is weakened; the utility model discloses a ground knurling roller surface comprises several compression roller (84) the compression roller (non-solid roller) that has the fretwork form, consequently, has avoided the appearance of the a large amount of earth circumstances of ground knurling roller surface adhesion.
Thirdly, the utility model discloses when designing limit dark land wheel mechanism (6), with having designed vertical regulation hole (611) of several on fixed plate (61), when installation regulating plate (62), can adjust the high hookup location of regulating plate (62) and fixed plate (61) according to the depth of suppression for the height of limit dark land wheel (64) can be adjusted according to the depth of suppression.
And fourthly, the deep loosening hook (10) plays a role of deep loosening, the depth of the deep loosening is 20-25 cm, and meanwhile, the deep loosening hook (10) can also help a rear rotary tillage mechanism (5) to break parts which cannot be rotary-tilled in the middle. Because the power transmission mechanism (4) in the utility model is positioned in the middle of the frame, a non-rotary tillage belt is left in the middle when in work, and the deep loosening hook (10) is utilized to help the rotary tillage mechanism (5) break the non-rotary tillage belt in the middle when in deep loosening; the deep loose hook (10) can also play a role in stabilizing the machine body.
And fifthly, the power transmission mechanism and the rotary tillage mechanism (5) are transmitted to the transmission shaft (12) through power output on the tractor and then transmitted to the power transmission mechanism through the transmission shaft (12), so that the rotary tillage mechanism (5) is driven to rotate, the rotary tillage depth is set to be 50-100 mm in design, and compared with the prior art, the rotary tillage depth is shallow (150-200 mm), so that the moisture in the soil is ensured to be small, and the standard of less soil movement in tillage is achieved.
Sixth, keep off native board (7) and be used for keeping off rotary tillage mechanism (5) and drive soil after-jetting because of high-speed rotation, because the soil that keeps off the native board blocks to make by rotary tillage mechanism (5) rotatory can also get back to original position, a small amount of soil can be followed and is kept off native board both sides blowout simultaneously, this a small amount of soil will spout in the both sides straw area, play the effect that covers the straw, thereby prevent that wind from scraping the straw away, influence the seeding of next year.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view showing the positions of the rotary tillage mechanism (5), the land wheel mechanism (6), the soil guard (7), the embossing roll (8) and the main frame (1).
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, fig. 2 and fig. 3, and the strip tillage machine for straw mulching and returning of the embodiment comprises a main frame (1), a power transmission mechanism (4), a rotary tillage mechanism (5), a soil retaining plate (7), a speed reducer (9), a deep scarification hook (10), a universal joint (11), a transmission shaft (12), a straw mulching and returning mechanism (2), a forward and reverse auger (3), a land embossing roller (8), a first chain wheel (13), a second chain wheel (14), a driving chain wheel (15), a driving shaft (16), a first bearing (17), a second bearing (18), a driven chain wheel (19) and two depth limiting wheel mechanisms (6);
the deep loosening hook (10) is fixedly arranged below the middle part of the main frame (1), the rotary tillage mechanism (5) is arranged behind the deep loosening hook (10), the rotary tillage mechanism (5) is in transmission connection with the power transmission mechanism (4), the power transmission mechanism (4) and the rotary tillage mechanism (5) are both in the prior art, a shell (54) in the rotary tillage mechanism (5) is fixedly connected with the main frame (1), a driven wheel (53) is arranged in the shell (54) and fixedly arranged on a rotary tillage shaft (52), the rotary tillage shaft (52) is supported on the shell (54) through a bearing, two rotary tillage blades (55) are respectively arranged at two ends of the rotary tillage shaft (52), a central shaft on each rotary tillage blade (55) is fixedly connected with the rotary tillage shaft (52), the driven wheel (53) is in transmission connection with a driving wheel (51), the driving wheel (51) is fixedly arranged on an output shaft (41) of the power transmission mechanism (4), the input end of the power transmission mechanism (4) is connected with the transmission shaft (12) through a universal joint (11), the input end of the transmission shaft (12) is connected with a longitudinal output shaft (91) of the speed reducer (9) through the universal joint (11), and the speed reducer (9) is fixedly arranged on the main frame (1);
the straw covering and returning mechanism (2) and the forward and reverse auger (3) are arranged between the speed reducer (9) and the deep scarification hook (10) in a front-back mode, the straw covering and returning mechanism (2) and the auger (3) are located below the main frame (1), the straw covering and returning mechanism (2) comprises a returning shaft (21), a returning knife (22) and a returning bearing seat (23), two ends of the returning shaft (21) are respectively supported in the returning bearing seats (23), the returning bearing seats (23) are fixedly arranged on the main frame (1), the returning knife (22) is fixedly arranged on the returning shaft (21), and the returning knife (22) is located in the main frame (1);
the positive and negative auger (3) comprises an auger shaft (31), a right spiral sheet (32), a left spiral sheet (33) and an auger bearing seat (34), two ends of the auger shaft (31) are respectively supported in the auger bearing seat (34), the auger bearing seat (34) is installed on the main frame (1), the auger shaft (31) is divided into a right end and a left end by taking the transmission shaft (12) as the center, the right spiral sheet (32) is fixedly installed on the right end of the auger shaft (31), and the left spiral sheet (33) is fixedly installed on the left end of the auger shaft (31);
a first chain wheel (13) and a second chain wheel (14) are mounted on the returning shaft (21), the first chain wheel (13) is connected with a driving chain wheel (15) through a chain, the driving chain wheel (15) is mounted at the output end of a driving shaft (16), one end of the driving shaft (16) is supported on a main frame (1) through a first bearing (17), the other end of the driving shaft (16) is supported on a shell of a speed reducer (9) through a second bearing (18), the input end of the driving shaft (16) is connected with a transverse output shaft (92) of the speed reducer (9), the second chain wheel (14) is connected with a driven chain wheel (19) through a chain, and the driven chain wheel (19) is mounted on a packing auger shaft (31);
two depth-limiting land wheel mechanisms (6) are positioned behind the rotary tillage mechanism (5) and symmetrically arranged at two outer sides of the main frame (1), the two depth-limiting land wheel mechanisms (6) are connected with the main frame (1), the soil retaining plate (7) is arranged behind the depth-limiting land wheel mechanisms (6), the upper end of the soil retaining plate (7) is hinged to the main frame (1), the ground embossing roller (8) is arranged behind the soil retaining plate (7), and two ends of the ground embossing roller (8) are hinged to the main frame (1) through the support (83) respectively.
The depth limiting land wheel mechanism (6) comprises a fixing plate (61), an adjusting plate (62), a land wheel shaft (63), a depth limiting land wheel (64) and two land wheel bearings (65), wherein a plurality of vertical adjusting holes (611) are formed in the fixing plate (61), the fixing plate (61) is fixedly connected with the main frame (1), the adjusting plate (62) is connected with the fixing plate (61) through a connecting element, the land wheel shaft (63) is hinged to the adjusting plate (62), and the depth limiting land wheel (64) is hinged to the land wheel shaft (63) through the two land wheel bearings (65). The height of the adjusting plate (62) is adjusted through a vertical adjusting hole (611) in the fixing plate (61), so that the depth limiting land wheel (64) can be adjusted in height according to the depth of the press, and the press requirements of different depths are met.
The ground embossing roller (8) comprises an embossing roller shaft (81), two disks (82), two supports (83) and a plurality of pressing rollers (84), wherein a plurality of semicircular grooves (822) are uniformly distributed on the disks (82) along the circumferential surface, the two disks (82) are fixedly arranged at two ends of the embossing roller shaft (81) respectively, the semicircular grooves (822) on the two disks (82) are opposite one to another, one pressing roller (84) is arranged in each semicircular groove (822), the pressing rollers (84) are welded with the disks (82), the two supports (83) are arranged at two ends of the embossing roller shaft (81) respectively, one end of each support (83) is hinged to the embossing roller shaft (81), and the other end of each support (83) is hinged to a main frame (1).
The positive and negative auger (3) further comprises two fans (35), and the two fans (35) are located in the main frame (1) and are respectively installed at two ends of the auger shaft (31). The fan (34) can limit the range of the straw flowing.
The working principle of the strip tillage machine for covering and returning the straws is as follows: referring to fig. 1-3, the straw mulching returning strip tillage machine is drawn by a wheel type tractor through three-point suspension, a power output shaft on the tractor is connected with an input end of a speed reducer (9) through a coupling, and the output of the speed reducer (9) is divided into two parts: one part is that a reducer (9) drives a driving chain wheel (15) to rotate through a driving shaft (16), the driving chain wheel (15) drives a first chain wheel (13) to rotate, a straw covering and returning mechanism (2) rotates along with the driving chain wheel, the straw covering and returning mechanism (2) drives a second chain wheel (14) to rotate, the second chain wheel (14) drives a driven chain wheel (19) to rotate, and a forward and reverse auger (3) rotates along with the driven chain wheel; the other part is that the speed reducer (9) transmits power to the power transmission mechanism (4) through the transmission shaft (12), and the rotary tillage mechanism (5) is driven by the power transmission mechanism (4); the straw is smashed by the straw covering and returning mechanism (2) along with the advance of the wheel type tractor, the smashed straw is divided into straw covering areas on two sides of the sowing belt by the positive and negative augers (3), the deep loosening hook (10) deeply loosens the root bed, the rotary tillage mechanism (5) carries out rotary tillage soil smashing, the soil which is rotary tillage completed by the depth limiting land wheel mechanism (6) is compacted once, the straws on two sides are rolled by the depth limiting land wheel mechanism (6), the soil which is rotary tillage completed by the land compacting roller (8) is compacted twice, and the straws on two sides are rolled by the compacting roller (11).
Claims (4)
1. A straw covering and returning strip tillage machine comprises a main frame (1), a power transmission mechanism (4), a rotary tillage mechanism (5), a speed reducer (9), a deep loosening hook (10), a universal joint (11) and a transmission shaft (12), wherein the deep loosening hook (10) is fixedly arranged below the middle part of the main frame (1), the rotary tillage mechanism (5) is arranged behind the deep loosening hook (10), the rotary tillage mechanism (5) is in transmission connection with the power transmission mechanism (4), the input end of the power transmission mechanism (4) is connected with the transmission shaft (12) through the universal joint (11), the input end of the transmission shaft (12) is connected with a longitudinal output shaft (91) of the speed reducer (9) through the universal joint (11), and the speed reducer (9) is fixedly arranged on the main frame (1);
the method is characterized in that: the strip tillage machine also comprises a straw covering and returning mechanism (2), a forward and backward auger (3), a soil retaining plate (7), a land embossing roller (8), a first chain wheel (13), a second chain wheel (14), a driving chain wheel (15), a driving shaft (16), a first bearing (17), a second bearing (18), a driven chain wheel (19) and two depth limiting wheel mechanisms (6),
the straw covering and returning mechanism (2) and the forward and reverse auger (3) are arranged between the speed reducer (9) and the deep scarification hook (10) in a front-back mode, the straw covering and returning mechanism (2) and the auger (3) are located below the main frame (1), the straw covering and returning mechanism (2) comprises a returning shaft (21), a returning knife (22) and a returning bearing seat (23), two ends of the returning shaft (21) are respectively supported in the returning bearing seats (23), the returning bearing seats (23) are fixedly arranged on the main frame (1), and the returning knife (22) is fixedly arranged on the returning shaft (21);
the positive and negative auger (3) comprises an auger shaft (31), a right spiral sheet (32), a left spiral sheet (33) and an auger bearing seat (34), two ends of the auger shaft (31) are respectively supported in the auger bearing seat (34), the auger bearing seat (34) is installed on the main frame (1), the auger shaft (31) is divided into a right end and a left end by taking the transmission shaft (12) as the center, the right spiral sheet (32) is fixedly installed on the right end of the auger shaft (31), and the left spiral sheet (33) is fixedly installed on the left end of the auger shaft (31);
a first chain wheel (13) and a second chain wheel (14) are mounted on the returning shaft (21), the first chain wheel (13) is connected with a driving chain wheel (15) through a chain, the driving chain wheel (15) is mounted at the output end of a driving shaft (16), one end of the driving shaft (16) is supported on a main frame (1) through a first bearing (17), the other end of the driving shaft (16) is supported on a shell of a speed reducer (9) through a second bearing (18), the input end of the driving shaft (16) is connected with a transverse output shaft (92) of the speed reducer (9), the second chain wheel (14) is connected with a driven chain wheel (19) through a chain, and the driven chain wheel (19) is mounted on a packing auger shaft (31);
two depth-limiting land wheel mechanisms (6) are positioned behind the rotary tillage mechanism (5) and symmetrically arranged at two outer sides of the main frame (1), the two depth-limiting land wheel mechanisms (6) are connected with the main frame (1), the soil retaining plate (7) is arranged behind the depth-limiting land wheel mechanisms (6), the upper end of the soil retaining plate (7) is hinged to the main frame (1), the ground embossing roller (8) is arranged behind the soil retaining plate (7), and two ends of the ground embossing roller (8) are hinged to the main frame (1) through the support (83) respectively.
2. The straw mulching returning strip cultivator of claim 1, wherein: the depth limiting land wheel mechanism (6) comprises a fixing plate (61), an adjusting plate (62), a land wheel shaft (63), a depth limiting land wheel (64) and two land wheel bearings (65), wherein a plurality of vertical adjusting holes (611) are formed in the fixing plate (61), the fixing plate (61) is fixedly connected with the main frame (1), the adjusting plate (62) is connected with the fixing plate (61) through a connecting element, the land wheel shaft (63) is hinged to the adjusting plate (62), and the depth limiting land wheel (64) is hinged to the land wheel shaft (63) through the two land wheel bearings (65).
3. The straw mulching returning strip cultivator as claimed in claim 1 or 2, wherein: the ground embossing roller (8) comprises an embossing roller shaft (81), two discs (82), two supports (83) and a plurality of pressing rollers (84), wherein the discs (82) are uniformly distributed along the circumferential surface and provided with a plurality of semicircular grooves (822), the two discs (82) are fixedly arranged at two ends of the embossing roller shaft (81) respectively, one pressing roller (84) is arranged in each semicircular groove (822), the two supports (83) are arranged at two ends of the embossing roller shaft (81) respectively, one end of each support (83) is hinged to the embossing roller shaft (81), and the other end of each support (83) is hinged to a main frame (1).
4. The straw mulching returning strip cultivator of claim 3, wherein: the positive and negative auger (3) further comprises two fans (35), and the two fans (35) are located in the main frame (1) and are respectively installed at two ends of the auger shaft (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988901.XU CN213938793U (en) | 2020-12-09 | 2020-12-09 | Straw covering and returning strip tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988901.XU CN213938793U (en) | 2020-12-09 | 2020-12-09 | Straw covering and returning strip tillage machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213938793U true CN213938793U (en) | 2021-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022988901.XU Withdrawn - After Issue CN213938793U (en) | 2020-12-09 | 2020-12-09 | Straw covering and returning strip tillage machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213938793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470584A (en) * | 2020-12-09 | 2021-03-12 | 中国科学院东北地理与农业生态研究所 | Straw covering and returning strip tillage machine |
-
2020
- 2020-12-09 CN CN202022988901.XU patent/CN213938793U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470584A (en) * | 2020-12-09 | 2021-03-12 | 中国科学院东北地理与农业生态研究所 | Straw covering and returning strip tillage machine |
| CN112470584B (en) * | 2020-12-09 | 2024-06-04 | 中国科学院东北地理与农业生态研究所 | Straw covering and Tian Tiaodai tillage machine |
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