CN115136753B - Strip no-tillage vertical differential seed belt cleaning and soil loosening device - Google Patents
Strip no-tillage vertical differential seed belt cleaning and soil loosening device Download PDFInfo
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- CN115136753B CN115136753B CN202210766535.4A CN202210766535A CN115136753B CN 115136753 B CN115136753 B CN 115136753B CN 202210766535 A CN202210766535 A CN 202210766535A CN 115136753 B CN115136753 B CN 115136753B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The invention provides a strip no-tillage vertical differential seed belt cleaning and scarifying device, which comprises a vertical stubble cleaning spring tooth group (1), a coaxial differential gear transmission device (2), a mounting frame (3), a fixed bearing (4), a vertical scarifying rake group (5), a fixed bolt (6), a spring tooth mounting plate (7), a spring tooth group bracket (8), and a stubble cleaning device mainly composed of the vertical stubble cleaning spring tooth group (1) for cleaning seed belt straws on no-tillage ground surfaces; the vertical soil loosening device mainly comprises a vertical soil loosening rake group (5) and is used for loosening and crushing soil of a straw cleaning seed belt after the operation of the stubble cleaning device; the coaxial differential gear transmission device (2) realizes the coaxial differential power distribution of the vertical stubble cleaning device and the vertical soil loosening device; in the operation process of the device, the stubble cleaning device firstly cleans the straw cleaning belt on the no-tillage surface covered by the straw, and then the vertical soil loosening device finishes the soil loosening and the soil crushing of the straw cleaning belt, thus finishing the seed bed preparation operation.
Description
Technical Field
0001. The invention belongs to the technical field of agricultural machinery, and particularly relates to a strip seed bed straw cleaning and seed belt soil loosening and crushing operation.
Background
0002. The northeast black soil area is a ballast stone and a voltage stabilizer for grain safety in China, in recent years, the black soil layer is continuously thinned, thinned and hardened under the condition of non-controlled development and utilization of the black soil, the current black soil protection is raised to the national strategy, the black soil protection is not slow, and the popularization of the protective cultivation technology is an important measure for the black soil protection. But in the process of carrying out the full-quantity returning of protective cultivation straw, a great amount of straw covers in a seed zone during sowing, the phenomena of blocking and grass winding of single straw during no-tillage sowing are very easy to occur, in addition, the straw covers in the sowing zone lead to slow ground temperature rise, and the problems of 'seed airing, seed powder' and the like are easy to occur during sowing. In order to solve the problems, the black soil area at present mainly adopts a strip cultivation operation mode, and straws in the surface sowing zone are cleaned and matched with the sowing zone to prepare in spring and autumn, so that the ground temperature of the sowing zone during sowing can be increased, and the effect is particularly remarkable in low-temperature cold-lying areas. In addition, the strip cultivation has the technical advantages of improving the soil fertility, improving the organic matter content of the soil, enhancing the water storage and soil moisture conservation capability of the soil, reducing the soil disturbance, relieving wind erosion and water erosion and the like.
0003. The corresponding research work is carried out on straw cleaning and seedbed preparation in strip cultivation by the existing scholars at home and abroad, wherein: the invention patent 202111300833.6 designs a strip tiller with double grass cleaning wheel width automatic adjustment function, which can realize the automatic adjustment of the stubble cleaning width of the double grass cleaning wheels; the patent 201911234000.7 discloses a straw returning shallow-pressure covering strip cultivator, which can realize uniform straw cleaning and returning, strip rotary tillage, returning straw and shallow-pressure fixation at one time during the operation of a machine tool, and form a rotary tillage belt and a straw returning belt, thereby better solving the problem that a great amount of straw is mixed in a seed bed to influence the sowing quality; the patent 202110516185 provides a layering deep implementation mode of strip no-tillage straw and organic fertilizer, and an intelligent straw picking, crushing and deep burying scheme based on surface straw amount detection and mechanical structural design. The mechanism can provide certain technical and theoretical support for straw treatment and seedbed preparation in strip cultivation, but the traditional grass poking wheel is low in stubble cleaning and straw cleaning rate, and the seedbed preparation is mostly horizontal rotary tillage soil breaking, so that the power consumption is high, and the soil disturbance quantity is large.
0004. In summary, how to combine the stubble cleaning and the seed bed preparation of the seed belt in the strip cultivation, and realize the combined operation of the straw cleaning and the seed bed preparation of the high-quality seed belt through one operation, so as to realize the reduction of the straw amount of the seed belt, the improvement of the ground temperature, the fine seed bed crushing, the improvement of the seeding quality and the guarantee of the seedling emergence effect of crops, has become the problem to be solved urgently.
Disclosure of Invention
0005. In order to overcome a series of defects in the prior art, the invention aims to provide a strip no-tillage vertical differential seed strip cleaning and soil loosening device, which is characterized in that the device completes seed strip straw cleaning and seed bed preparation combined operation in a seeding strip through one operation and comprises a vertical stubble cleaning elastic tooth group 1, a coaxial differential gear transmission device 2, a mounting frame 3, a fixed bearing 4, a vertical soil loosening rake group 5, a fixed bolt 6, an elastic tooth mounting sheet 7 and an elastic tooth group bracket 8;
0006. the vertical stubble cleaning elastic tooth group 1 is used for cleaning straws in the surface sowing belt to one side;
0007. the vertical scarification rake group 5 is used for loosening and crushing the soil in the sowing belt;
0008. the coaxial differential gear transmission device 2 is used for realizing the coaxial differential driving of the stubble cleaning spring tooth 1 and the vertical scarification rake group 5;
0009. the mounting frame 3 and the fixed bearing 4 are used for fixedly connecting the vertical stubble cleaning spring tooth group 1 and the vertical soil loosening rake group 5;
0010. the fixing bolt 6, the spring tooth mounting plate 7 and the spring tooth group support 8 are used for fixedly mounting the vertical stubble cleaning spring tooth group 1 on the mounting frame 3.
0011. Preferably, the seed belt cleaning device comprises a vertical stubble cleaning spring tooth group 1, a mounting frame 3, a fixing bolt 6, a spring tooth mounting plate 7 and a spring tooth group bracket 8, wherein the soil loosening device mainly comprises the mounting frame 3, a fixing bearing 4 and a vertical soil loosening rake group 5; during operation, a force source is transmitted to a central shaft 22 through a power transmission device and drives a first large transmission gear 23 to rotate, the first large transmission gear 23 is meshed with a first small transmission gear 26, the first small transmission gear 26 is connected with a second large transmission gear 27 through a transmission shaft 25, coaxial rotation of the two gears is achieved, the second large transmission gear 27 is meshed with the second small transmission gear 24 to achieve power transmission, an outer sleeve 30 is fixed on the second small transmission gear 24 and connected with a mounting frame 3 of a seed belt cleaning device, a vertical stubble cleaning elastic tooth group 1 is fixed on the mounting frame 3 through a fixing bolt 6, the central shaft 22 is coaxially connected with a vertical scarifier 5, therefore differential rotation of the seed belt cleaning device and the scarifier can be achieved, and a differential speed ratio can be achieved through changing a transmission ratio of the first large transmission gear 23, the second small transmission gear 24, the first small transmission gear 26 and the second large transmission gear 27; the vertical stubble cleaning spring tooth group 1 rotates at a high speed to throw and stir the straws in the sowing strip to one side of the non-sowing strip, so that a straw cleaning seed bed is formed in the sowing strip, the vertical soil loosening rake group 5 rotates vertically to cut and crush the soil in the straw cleaning seed bed, the soil loosening and crushing operation is completed, the coaxial differential operation is realized by the vertical stubble cleaning spring tooth group 1 and the vertical soil loosening rake group 5 through the coaxial differential gear transmission device 2, the stubble cleaning and seed bed preparation efficiency can be effectively improved through the differential cooperative operation of the two devices, and the straw cleaning and seed bed preparation operation in the sowing strip is completed.
0012. Preferably, the coaxial differential gear transmission device 2 mainly comprises a central shaft 22, a first large transmission gear 23, a first small transmission gear 26, a second large transmission gear 27, a transmission shaft 25 and an outer sleeve 30; during operation, power is transmitted to the central shaft 22 through the power transmission device by the rear output shaft of the tractor and drives the first large transmission gear 23 to rotate, the first large transmission gear 23 is meshed with the first small transmission gear 26, the first small transmission gear 26 is connected with the second large transmission gear 27 through the transmission shaft 25, coaxial rotation of the first small transmission gear 26 and the second large transmission gear 27 is achieved, the second large transmission gear 27 is meshed with the second small transmission gear 24 to achieve power transmission, the outer sleeve 30 is fixed on the second small transmission gear 24 and connected with the mounting frame 3 of the seed belt cleaning device, the central shaft 22 is fixedly connected with the first large transmission gear 23 and the vertical scarification rake set 5, and differential ratio adjustment of the coaxial differential gear transmission device can be achieved through changing the transmission ratio of the first large transmission gear 23, the second small transmission gear 24, the first small transmission gear 26 and the second large transmission gear 27.
0013. Preferably, the seed belt cleaning device mainly comprises a vertical stubble cleaning spring tooth set 1, a mounting frame 3, a fixing bolt 6, a spring tooth mounting plate 7 and a spring tooth set bracket 8, wherein the vertical stubble cleaning spring tooth set 1 is mounted on the spring tooth mounting plate 7 and is fixed on the spring tooth set bracket 8 through the fixing bolt 6, and the spring tooth set bracket 8 is fixed on the mounting frame 3 through the bolt; the vertical stubble cleaning spring tooth group 1 is bent when the spring tooth contacts the ground surface in the operation process, so that straw cleaning in a seed belt can be completed, the stubble cleaning quality is influenced by the bending angle of the stubble cleaning spring tooth, the device can replace different types of stubble cleaning spring teeth according to different ground surface straw covering conditions so as to ensure the stubble cleaning effect, in addition, the stubble cleaning width of the seed belt cleaning device can be adjusted by adjusting the inclination angle of the mounting frame 3 from the ground, the inclination angle is reduced, and the stubble cleaning width is reduced.
0014. Preferably, the vertical scarifier comprises a mounting frame 3, a fixed bearing 4 and a vertical scarifier group 5, the vertical scarifier group 5 mainly comprises a harrow tooth mounting plate 51, harrow teeth I52 and harrow teeth II 53, the harrow teeth I52 and the harrow teeth II 53 are mounted on the harrow tooth mounting plate 51, the harrow tooth mounting plate 51 is fixedly connected with a central shaft 22 coaxially, power is transmitted through the central shaft 22 during operation, the vertical harrow teeth are driven to finish scarifying and crushing of a seed bed of a straw-cleaning seed belt, the cutting edges of the vertical harrow teeth can reduce scarifying and crushing resistance in the ditching process, and the working quality of scarifying and crushing of the seed belt is improved.
0015. Preferably, the vertical stubble cleaning elastic tooth group (1) is adjustable in installation mode of elastic teeth of the vertical stubble cleaning elastic tooth group (1), the number of the elastic teeth and the bending angle of the elastic teeth are adjusted according to the straw coverage condition of the ground surface, so that the straw cleaning quality is improved, and the number of the vertical stubble cleaning elastic tooth group (1) can be replaced through the straw coverage condition of the ground surface.
0016. Preferably, the vertical scarification harrow group (5) is provided with bionic drag reduction capability, the cutting edges of the harrow teeth I52 and the harrow teeth II 53 are provided with a bionic drag reduction coating of a mole dig forefinger, so that the adhesion of the soil of the harrow teeth I52 and the harrow teeth II 53 can be effectively reduced, the cutting edges of the harrow teeth I52 and the harrow teeth II 53 are designed according to the shape of the mole dig soil, the ground breaking resistance lifting operation effect can be reduced, and the operation depth of the vertical scarification harrow group (5) can be adjusted according to the size of the adjustment I52 and the size of the harrow teeth II 53.
0017. Compared with the prior art, the invention has the following beneficial effects: 0018.1 Aiming at the problems that the straw of the sowing strip is not clear in strip cultivation, the differential force consumption of the seed bed preparation effect is large and the like, the invention designs a strip no-tillage vertical seed belt cleaning and seed bed preparation device, the straw cleaning and seed bed soil loosening and crushing operation in the sowing strip can be completed by one-time operation of a machine tool, the straw in the 20-40cm breadth of the surface sowing strip can be cleaned to one side in the operation process of the device, and the seed bed in the sowing strip can be loosened and crushed by matching with a vertical soil loosening rake group.
0019.2 Aiming at black land protection engineering in northeast China of China, the invention provides a vertical stubble cleaning and soil loosening operation mode based on strip cultivation so as to improve the quality of strip cultivation seed belt cleaning and seed bed preparation, and designs a strip no-tillage vertical seed belt cleaning and seed bed preparation device aiming at the above-mentioned aim.
0020.3 The invention can realize the working links of active vertical stubble cleaning, soil loosening of the seed bed, soil breaking and the like, and the no-tillage seeding operation is carried out on the ground surface after the device operation, so that the problem of straw blocking in the seeding process can be reduced, the ground temperature is improved, and the no-tillage seeding quality is effectively improved.
Drawings
0021. FIG. 1 is a schematic diagram of the overall structure of the present invention;
0022. FIG. 2 is a front view of the present invention;
0023. FIG. 3 is a bottom view of the present invention;
0024. FIG. 4 is a schematic view of a coaxial differential gear transmission and a vertical scarifier in the invention;
0025. FIG. 5 is a schematic view of a seed belt cleaning device according to the present invention;
0026. FIG. 6 is a schematic view of a scarifier in the present invention;
0027. reference numerals in the drawings: 0028.1-stubble cleaning spring tooth group, 2-coaxial differential gear transmission device, 3-mounting frame, 4-fixed bearing, 5-vertical scarification rake group, 6-fixed bolt, 7-spring tooth mounting plate and 8-spring tooth group bracket;
0029.22-a central shaft, 23-a transmission gear, 24-a transmission gear, 26-a transmission gear, 27-a transmission gear, 25-a transmission shaft and 30-an outer sleeve;
0030.51-tine mounting plate, 52-tine i, 53-tine ii.
Detailed Description
0031. In order to make the objects, technical solutions and advantages of the present invention become more apparent, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention.
0032. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
0033. The embodiments described below, together with the words of orientation, are exemplary and intended to explain the invention and should not be taken as limiting the invention.
0034. In one broad embodiment of the invention, the strip no-tillage vertical differential seed strip cleaning and scarifying device completes the combined operation of seed strip straw cleaning and seed bed scarifying in a seeding strip through one operation, and comprises a vertical stubble cleaning elastic tooth group 1, a coaxial differential gear transmission device 2, a mounting frame 3, a fixed bearing 4, a vertical scarifying rake group 5, a fixed bolt 6, an elastic tooth mounting plate 7 and an elastic tooth group bracket 8.
0035. The vertical stubble cleaning elastic tooth group 1 is used for cleaning straws in the surface sowing belt to one side;
0036. the vertical scarification rake group 5 is used for loosening and crushing the soil in the sowing belt;
0037. the coaxial differential gear transmission device 2 is used for realizing the coaxial differential driving of the stubble cleaning spring tooth 1 and the vertical scarification rake group 5;
0038. the mounting frame 3 and the fixed bearing 4 are used for fixedly connecting the vertical stubble cleaning spring tooth group 1 and the vertical soil loosening rake group 5;
0039. the fixing bolt 6, the spring tooth mounting plate 7 and the spring tooth group support 8 are used for fixedly mounting the vertical stubble cleaning spring tooth group 1 on the mounting frame 3.
0040. Preferably, the seed belt cleaning device comprises a vertical stubble cleaning spring tooth group 1, a mounting frame 3, a fixing bolt 6, a spring tooth mounting plate 7 and a spring tooth group bracket 8, and the scarifier mainly comprises the mounting frame 3, a fixing bearing 4 and a vertical scarifier group 5. During operation, a force source is transmitted to the central shaft 22 through the power transmission device and drives the first large transmission gear 23 to rotate, the first large transmission gear 23 is meshed with the first small transmission gear 26, the first small transmission gear 26 is connected with the second large transmission gear 27 through the transmission shaft 25, coaxial rotation of the two gears is achieved, the second large transmission gear 27 is meshed with the second small transmission gear 24 to achieve power transmission, the outer sleeve 30 is fixed on the second small transmission gear 24 and connected with the mounting frame 3 of the seed belt cleaning device, the vertical stubble cleaning elastic tooth group 1 is fixed on the mounting frame 3 through the fixing bolt 6, the central shaft 22 is coaxially connected with the vertical scarifier group 5, therefore differential rotation of the seed belt cleaning device and the scarifier can be achieved, and a differential speed ratio can be achieved through changing a transmission ratio of the first large transmission gear 23, the second small transmission gear 24, the first small transmission gear 26 and the second large transmission gear 27. The vertical stubble cleaning spring tooth group 1 rotates at a high speed to throw and stir the straws in the sowing strip to one side of the non-sowing strip, so that a straw cleaning seed bed is formed in the sowing strip, the vertical soil loosening rake group 5 rotates vertically to cut and crush the soil in the straw cleaning seed bed, the soil loosening and crushing operation is completed, the coaxial differential operation is realized by the vertical stubble cleaning spring tooth group 1 and the vertical soil loosening rake group 5 through the coaxial differential gear transmission device 2, the stubble cleaning and seed bed preparation efficiency can be effectively improved through the differential cooperative operation of the two devices, and the straw cleaning and seed bed preparation operation in the sowing strip is completed.
0041. Preferably, the coaxial differential gear transmission device 2 mainly comprises a central shaft 22, a first large transmission gear 23, a first small transmission gear 26, a second large transmission gear 27, a transmission shaft 25 and an outer sleeve 30. During operation, power is transmitted to the central shaft 22 through the power transmission device by the rear output shaft of the tractor and drives the first large transmission gear 23 to rotate, the first large transmission gear 23 is meshed with the first small transmission gear 26, the first small transmission gear 26 is connected with the second large transmission gear 27 through the transmission shaft 25, coaxial rotation of the first small transmission gear 26 and the second large transmission gear 27 is achieved, the second large transmission gear 27 is meshed with the second small transmission gear 24 to achieve power transmission, the outer sleeve 30 is fixed on the second small transmission gear 24 and connected with the mounting frame 3 of the seed belt cleaning device, the central shaft 22 is fixedly connected with the first large transmission gear 23 and the vertical scarification rake set 5, and differential ratio adjustment of the coaxial differential gear transmission device can be achieved through changing the transmission ratio of the first large transmission gear 23, the second small transmission gear 24, the first small transmission gear 26 and the second large transmission gear 27.
0042. Preferably, the seed belt cleaning device mainly comprises a vertical stubble cleaning spring tooth group 1, a mounting frame 3, a fixing bolt 6, a spring tooth mounting plate 7 and a spring tooth group support 8, wherein the vertical stubble cleaning spring tooth group 1 is mounted on the spring tooth mounting plate 7 and is fixed on the spring tooth group support 8 through the fixing bolt 6, and the spring tooth group support 8 is fixed on the mounting frame 3 through the bolt. The vertical stubble cleaning spring tooth group 1 is bent when the spring tooth contacts the ground surface in the operation process, so that straw cleaning in a seed belt can be completed, the stubble cleaning quality is influenced by the bending angle of the stubble cleaning spring tooth, the device can replace different types of stubble cleaning spring teeth according to different ground surface straw covering conditions so as to ensure the stubble cleaning effect, in addition, the stubble cleaning width of the seed belt cleaning device can be adjusted by adjusting the inclination angle of the mounting frame 3 from the ground, the inclination angle is reduced, and the stubble cleaning width is reduced. The number of the vertical stubble cleaning spring tooth groups 1 can be changed according to the covering condition of the ground straw.
0043. Preferably, the vertical scarifier comprises a mounting frame 3, a fixed bearing 4 and a vertical scarifier group 5, the vertical scarifier group 5 mainly comprises a harrow tooth mounting plate 51, harrow teeth I52 and harrow teeth II 53, the harrow teeth I52 and the harrow teeth II 53 are mounted on the harrow tooth mounting plate 51, the harrow tooth mounting plate 51 is fixedly connected with a central shaft 22 coaxially, power is transmitted through the central shaft 22 during operation, the vertical harrow teeth are driven to finish scarifying and crushing of a seed bed of a straw-cleaning seed belt, the cutting edges of the vertical harrow teeth can reduce scarifying and crushing resistance in the ditching process, and the working quality of scarifying and crushing of the seed belt is improved. Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
0044. Preferably, the vertical stubble cleaning elastic tooth group 1 is adjustable in installation mode of elastic teeth of the vertical stubble cleaning elastic tooth group 1, the number of the elastic teeth and the bending angle of the elastic teeth are adjusted according to the straw coverage condition of the ground surface, so that the straw cleaning quality is improved, and the number of the vertical stubble cleaning elastic tooth group 1 can be replaced according to the straw coverage condition of the ground surface. 0045. Preferably, the vertical scarification harrow group 5, harrow tooth I52 and harrow tooth II 53 have bionic drag reduction ability, have the mole on its blade to dig the bionical drag reduction coating of native forefinger, can effectively reduce the soil adhesion of harrow tooth I52 and harrow tooth II 53, the harrow tooth I52 and harrow tooth II 53 blade shape imitates the design of mole dig the soil profile of tooth and can reduce the resistance that breaks ground and promote the operation effect.
Claims (7)
1. The strip no-tillage vertical differential seed belt cleaning and soil loosening device is characterized in that the device completes the combined operation of seed belt straw cleaning and seed bed soil loosening and soil crushing through one-time operation, and comprises a vertical stubble cleaning elastic tooth group (1), a coaxial differential gear transmission device (2), a mounting rack (3), a fixed bearing (4), a vertical soil loosening rake group (5), a fixed bolt (6), an elastic tooth mounting plate (7) and an elastic tooth group bracket (8); wherein, the vertical stubble cleaning elastic tooth group (1) in the seed belt cleaning device is used for cleaning the straw in the no-tillage surface sowing belt to one side; the vertical soil loosening rake group (5) is used for loosening and crushing soil in the sowing belt to realize the preparation of a seed bed; the coaxial differential gear transmission device (2) is used for realizing the coaxial differential driving of the vertical stubble cleaning elastic tooth group (1) and the vertical soil loosening rake group (5); the mounting frame (3) and the fixed bearing (4) are used for fixedly connecting the vertical stubble cleaning elastic tooth group (1) and the vertical soil loosening rake group (5);
the coaxial differential gear transmission device (2) comprises a central shaft (22) and an outer sleeve (30); the central shaft (22) is coaxial with the outer sleeve (30);
the seed belt cleaning device comprises a vertical stubble cleaning spring tooth group (1), a mounting frame (3), a fixing bolt (6), a spring tooth mounting plate (7) and a spring tooth group bracket (8), wherein the spring tooth group bracket (8) is fixed on the mounting frame (3) through the bolt; the outer sleeve (30) is coaxially connected with the mounting frame (3) of the seed belt cleaning device;
the scarifier comprises a mounting frame (3), a fixed bearing (4) and a vertical scarifier group (5); the vertical scarification harrow group (5) is coaxially and fixedly connected with the central shaft (22),
during operation, power is transmitted to a central shaft (22) through a power transmission device and drives a large transmission gear I (23) to rotate, the large transmission gear I (23) is meshed with a small transmission gear I (26), the power is transmitted to the small transmission gear I (26), the small transmission gear I (26) is connected with a large transmission gear II (27) through a transmission shaft (25), coaxial rotation of the two gears is achieved, the large transmission gear II (27) is meshed with the small transmission gear II (24) to achieve power transmission, an outer sleeve (30) is fixed on the small transmission gear II (24) and connected with a mounting frame (3) of a seed belt cleaning device, a vertical stubble cleaning elastic tooth group (1) is fixed on the mounting frame (3) through a fixing bolt (6), and therefore when the central shaft (22) is provided with power input, the central shaft (22) and the outer sleeve (30) are subjected to coaxial differential rotation, and differential motion of the seed belt cleaning device and the soil cleaning device can be achieved, and the differential motion of the seed belt cleaning device and the soil cleaning device can be achieved through the differential motion of the replacement of the large transmission gear I (23), the small transmission gear II (24) and the large transmission gear II (27); the vertical stubble cleaning elastic tooth group (1) rotates at a high speed to throw and stir the straw in the sowing strip to one side, so that a seed bed for cleaning the straw is formed in the sowing strip, the vertical soil loosening rake group (5) rotates vertically to cut and crush the soil in the seed bed for cleaning the straw, the soil loosening and crushing operation is completed, the vertical stubble cleaning elastic tooth group (1) and the vertical soil loosening rake group (5) in the seed strip cleaning device are subjected to coaxial differential operation, the stubble cleaning and seed bed preparation efficiency is effectively improved through the cooperation of the two devices, and the straw cleaning and seed bed preparation operation in the sowing strip is completed.
2. The strip no-tillage vertical differential seed tape cleaning and scarifying device according to claim 1 wherein the coaxial differential gear transmission device (2) mainly comprises a central shaft (22), a large transmission gear one (23), a small transmission gear one (26), a large transmission gear two (27), a transmission shaft (25) and an outer sleeve (30); during operation, power is transmitted to a central shaft (22) through a power transmission device and drives a large transmission gear I (23) to rotate, the large transmission gear I (23) is meshed with a small transmission gear I (26), the small transmission gear I (26) is connected with a large transmission gear II (27) through a transmission shaft (25), coaxial rotation of the small transmission gear I (26) and the large transmission gear II (27) is achieved, the large transmission gear II (27) is meshed with the small transmission gear II (24), power transmission is achieved, an outer sleeve (30) is fixed on the small transmission gear II (24) and is connected with a mounting frame (3) of a seed belt cleaning device, the central shaft (22) is fixedly connected with the large transmission gear I (23) and the vertical scarfing harrow group (5), when power is input to the central shaft (22), coaxial differential rotation is achieved between the central shaft (22) and the outer sleeve (30), and differential ratio adjustment of the coaxial differential transmission device is achieved through replacement of the large transmission gear I (23), the small transmission gear II (24), the small transmission gear I (26) and the large transmission gear II (27).
3. The strip no-tillage vertical differential seed belt cleaning and scarifying device according to claim 1 is characterized in that the seed belt cleaning device mainly comprises a vertical stubble cleaning spring tooth group (1), a mounting frame (3), a fixing bolt (6), a spring tooth mounting plate (7) and a spring tooth group support (8), wherein the vertical stubble cleaning spring tooth group (1) is mounted on the spring tooth mounting plate (7) and is fixed on the spring tooth group support (8) through the fixing bolt (6), and the spring tooth group support (8) is fixed on the mounting frame (3) through the bolt; the vertical stubble cleaning elastic tooth group (1) contacts the earth surface to bend in the operation process to finish straw cleaning in the seed zone, the bending angle of the stubble cleaning elastic tooth influences the stubble cleaning quality, the device can replace different types of stubble cleaning elastic teeth according to different earth surface straw covering conditions to ensure the stubble cleaning effect, in addition, the stubble cleaning width of the seed zone cleaning device is adjusted by adjusting the inclination angle of the mounting frame (3) from the earth, and the smaller the inclination angle is, the smaller the stubble cleaning width is; in addition, the length of the spring tooth group bracket (8) is replaced and adjusted according to the stubble cleaning width so as to adapt to the adjusting range of the stubble cleaning width of strip cultivation.
4. The strip no-tillage vertical differential seed belt cleaning and scarifying device according to claim 1 is characterized in that the scarifying device comprises a mounting frame (3), a fixed bearing (4) and a vertical scarifying rake group (5), the vertical scarifying rake group (5) mainly comprises a rake tooth mounting plate (51), a rake tooth I (52) and a rake tooth II (53), the rake tooth I (52) and the rake tooth II (53) are mounted on the rake tooth mounting plate (51), the rake tooth mounting plate (51) is fixedly connected with a central shaft (22) coaxially, power is transmitted through the central shaft (22) during operation, and the vertical rake teeth are driven to complete seed bed scarifying and scarifying of the straw seed belt, scarifying and scarifying are carried out, and the cutting edges of the vertical rake teeth can reduce scarifying and scarifying resistance in the ditching process, and the working quality of scarifying and scarifying of the seed belt is improved.
5. The strip no-tillage vertical differential seed belt cleaning and soil loosening device according to claim 1 is characterized in that the installation mode of the spring teeth of the vertical stubble cleaning spring tooth group (1) can be adjusted, the number of the spring teeth and the bending angle of the spring teeth can be adjusted according to the straw covering condition of the ground surface so as to improve the straw cleaning quality, and the number of the vertical stubble cleaning spring tooth group (1) can be replaced through the straw covering condition of the ground surface.
6. The strip no-tillage vertical differential seed tape cleaning and scarifying device according to claim 1 is characterized in that rake teeth I (52) and rake teeth II (53) of a vertical scarifying rake group (5) have bionic drag reduction capability, a bionic drag reduction coating of a mole dig forefinger is arranged on the cutting edge of the vertical scarifying rake group, soil adhesion of the rake teeth I (52) and the rake teeth II (53) can be effectively reduced, the cutting edge shapes of the rake teeth I (52) and the rake teeth II (53) are designed to imitate the tooth shape of a mole dig soil, the breaking resistance can be reduced, the operation effect is improved, and the operation depth of the vertical scarifying rake group (5) is adjusted according to the size of the adjusting rake teeth I (52) and the size of the rake teeth II (53).
7. The strip no-tillage vertical differential seed tape cleaning and scarifying device of claim 1, which is suitable for coaxial differential transmission in other mechanical fields.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN213044092U (en) * | 2020-03-28 | 2021-04-27 | 临邑盛隆农机服务有限公司 | Multi-layer deep ploughshare plough set |
| CN213522986U (en) * | 2020-10-28 | 2021-06-25 | 河北宗亚农业机械有限公司 | Stubble-cleaning and hull-breaking power combined cutter head and power no-tillage deep fertilizing single body applied by same |
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| CN102714950A (en) * | 2012-07-13 | 2012-10-10 | 吉林大学 | Anti-drag wear-resistant coupling bionic surface of agricultural machinery farming component |
| CN203896701U (en) * | 2014-04-30 | 2014-10-29 | 中卫市天元锋农业机械制造有限责任公司 | No-tillage precision fertilizing planter for corn |
| CN107318340A (en) * | 2017-08-14 | 2017-11-07 | 吉林大学 | A kind of bionical digger blade of drag-reducing abrasion-resisting |
| CN108718711A (en) * | 2018-06-01 | 2018-11-02 | 东北农业大学 | A kind of anti-blocking seed bed preparedness method and apparatus of the clear straw of the elastic claw type for preventing stubble from rewinding |
| CN110521317A (en) * | 2019-09-27 | 2019-12-03 | 湖南农业大学 | Differential speed type agitating device, seedling slurry machine and its control method of rice field seedling slurry machine |
| CN213044092U (en) * | 2020-03-28 | 2021-04-27 | 临邑盛隆农机服务有限公司 | Multi-layer deep ploughshare plough set |
| CN112020916A (en) * | 2020-08-24 | 2020-12-04 | 中国农业大学 | Active rotation centralized type belt cleaning anti-blocking device |
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| CN115136753A (en) | 2022-10-04 |
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