CN111512720A - Rape precision direct seeding machine based on crawler-type combined harvesting power platform - Google Patents
Rape precision direct seeding machine based on crawler-type combined harvesting power platform Download PDFInfo
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- CN111512720A CN111512720A CN202010266619.2A CN202010266619A CN111512720A CN 111512720 A CN111512720 A CN 111512720A CN 202010266619 A CN202010266619 A CN 202010266619A CN 111512720 A CN111512720 A CN 111512720A
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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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- 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
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
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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
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
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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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
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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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
- A01B59/065—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors for ploughs or like implements
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D42/00—Mowers convertible to apparatus for purposes other than mowing; Mowers capable of performing operations other than mowing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D42/00—Mowers convertible to apparatus for purposes other than mowing; Mowers capable of performing operations other than mowing
- A01D42/04—Soil working
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Zoology (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a rape precision direct seeding machine based on a crawler-type combined harvesting power platform, which comprises a harvesting system, a ploughing and sowing system and a suspension lifting device for connecting the harvesting system and the ploughing and sowing system; the suspension lifting device comprises a bottom frame, a suspension frame, a guide rail assembly, a lifting hydraulic cylinder and a pair of lifting chains; the pair of lifting chains respectively bypass guide wheels arranged on two sides of the hydraulic lifting cylinder, one end of each lifting chain is fixed on the guide rail assembly, and the other end of each lifting chain is fixed on the suspension bracket; the back supporting plate on the plowing and sowing system is connected with the suspension bracket through a central pull rod. The connection between the combine harvester and the plowing and sowing system and the lifting of the plowing and sowing system are realized through the suspension lifting device, the chassis lifting hydraulic circuit of the combine harvester is used for providing power for the suspension lifting device, and the suspension frame is driven to vertically move through the action of the lifting hydraulic cylinder, so that the lifting requirement of the plowing and sowing system is realized, and the suspension lifting device solves the problem of connection between the combine harvester and the plowing and sowing system.
Description
Technical Field
The invention relates to the technical field of sowing in agricultural machinery, in particular to a rape precision direct sowing machine based on a crawler-type combined harvesting power platform.
Background
As a main overwintering crop in China, the rape planted can not only make full use of the idle winter field and improve the land utilization rate, but also has good land utilization and soil cultivation effect, and researches show that the rice yield per unit can be improved by about 6.3% by the widely popularized' rice-oil tanker mode at present. The middle and lower reaches of Yangtze river are the main rice oil tanker working areas in China, aiming at the characteristics of heavy and hardened soil, large fluctuation of water content, large amount of remained straws and the like in the areas, the traditional rape seeding operation mainly comprises the steps that a tractor is connected with a rape seeder to complete straw crushing, stubble cleaning, seedbed rotary tillage, ridging, ditching, seeding and other operations, because the quantity of straws on the ground surface of the rice harvested as the previous crop is large, all the procedures of the seeding operation cannot be completed easily when the machine is used in the field once, and the tractor is easy to slip and sink when the soil water content is high, so that the seeding quality and the operation efficiency are influenced.
Disclosure of Invention
The invention aims to provide a rape precision direct sowing machine based on a crawler-type combined harvesting power platform, which collects field stubbles and floating grass by using the harvesting platform, throws the field stubbles and floating grass, completes rape sowing operation before throwing straws, solves the problem that the field straw amount in a rice and oil tanker working area greatly influences the rape sowing operation efficiency and operation quality, improves the utilization rate of the combined harvesting machine, and realizes multiple purposes of one machine.
In order to achieve the purpose, the rape precision direct seeding machine based on the crawler-type combined harvesting power platform comprises a harvesting system, a ploughing and sowing system and a suspension lifting device for connecting the harvesting system and the ploughing and sowing system; the suspension lifting device comprises a bottom frame, a suspension frame, a guide rail assembly, a lifting hydraulic cylinder and a pair of lifting chains, wherein the bottom frame is fixed on the harvesting system chassis, and the hydraulic lifting cylinder is fixed in the middle of a rear cross beam of the bottom frame; the pair of lifting chains respectively bypass guide wheels arranged on two sides of the hydraulic lifting cylinder, one end of each lifting chain is fixed on the guide rail assembly, and the other end of each lifting chain is fixed on the suspension bracket; and the rear supporting plate on the plowing and sowing system is connected with the suspension bracket through a central pull rod.
Furthermore, the suspension bracket comprises a frame, upper limiting wheels arranged on two sides of an upper beam of the frame and lower limiting wheels arranged on two sides of a lower beam of the frame, and the upper limiting wheels and the lower limiting wheels are positioned in the same vertical plane; the guide wheels on the two connecting plates are located in sliding grooves in the inner side of the guide rail assembly, and the pair of upper limiting wheels and the pair of lower limiting wheels are arranged on the outer side of the guide rail assembly and are in contact with the outer side face of the guide rail assembly.
Furthermore, the suspension bracket further comprises a left lower hanging plate head arranged at the bottom of the left vertical beam of the frame and a right lower hanging plate head arranged at the bottom of the right vertical beam, and the left lower hanging plate head and the right lower hanging plate head are positioned in the same vertical plane and arranged on two sides of the upper limiting wheel.
Furthermore, the guide rail assembly comprises two guide rails symmetrically arranged on two sides of the hydraulic lifting cylinder, an upper connecting beam used for connecting the upper end parts of the two guide rails and a middle upper connecting beam connected to the middle upper parts of the two guide rails, and one end of each pair of lifting chains is fixed on the middle upper connecting beam.
Furthermore, the tilling and sowing system comprises a rotary tillage assembly, a front plow, a rear plow, a rotary disk type precision collector, a double-disk furrow opener and a suspension device, wherein the rotary disk type precision collector is mounted on the rotary tillage assembly through a collector base; and the rear supporting plate on the plowing and sowing system is connected with the upper hanging plate of the upper frame beam of the suspension bracket through the central pull rod.
Furthermore, a transition belt wheel and a first chain wheel are coaxially mounted on a tail transition belt wheel shaft of the harvesting system, a second chain wheel and a third chain wheel are coaxially mounted on a chain wheel shaft above the right of the tail transition belt wheel shaft, a first gear box is welded on a bottom frame of the suspension lifting device through a gear box mounting seat, a second gear box is mounted on the rotary tillage assembly, the first gear box and the second gear box are connected through a universal joint, and a fourth chain wheel is mounted on an input shaft of the first gear box.
Further, the first and third sprockets are 17-tooth 16A sprockets and the second and fourth sprockets are 30-tooth 16A sprockets.
Furthermore, a triangular conical diversion strip is arranged at the outlet of the internal channel of the grass discharge port of the harvesting system, and the conical top of the triangular conical diversion body points to the inlet.
The invention has the advantages that: on the basis of not changing the original structure and function of the combine harvester, the connection between the combine harvester and the plowing and sowing system and the lifting of the plowing and sowing system are realized by designing a suspension lifting device, a chassis lifting hydraulic circuit of the combine harvester is used for providing power for the suspension lifting device, and a suspension frame is driven to vertically move under the action of a lifting hydraulic cylinder, so that the lifting requirement of the plowing and sowing system is realized; meanwhile, transmission is reasonably designed on the basis of not changing the original transmission ratio of the combine harvester, and the engine of the combine harvester is used for providing power for rotary tillage operation of a tillage and seeding system, so that the aim of rotary tillage of rape seeding seedbeds is fulfilled, and seeding operation is further completed.
Drawings
FIG. 1 is a schematic structural diagram of a complete rape precision direct seeding machine based on a crawler-type combined harvesting power platform;
FIG. 2 is a schematic view of the suspension lift of FIG. 1;
FIG. 3 is a schematic view of the suspension structure of FIG. 2;
FIG. 4 is a schematic view of the cultivation system of FIG. 1;
FIG. 5 is a schematic view of the grass discharge opening of FIG. 1;
FIG. 6 is a schematic diagram of the transmission of the whole machine of the present invention.
The components in the figures are numbered as follows: the straw harvesting header 1, the conveying chain harrow 2, the threshing and cleaning device 3, the fan belt wheel 4, the chassis 5, the triangular pyramid-shaped diversion strip 6, the transition belt wheel 7, the first chain wheel 8, the second chain wheel 9, the chain wheel shaft 10, the third chain wheel 11, the suspension lifting device 12, the fourth chain wheel 13, the first gear box 14, the universal joint 15, the ploughing and sowing system 16, the second gear box 17, the central pull rod 18, the grass discharge port 19, the upper connecting beam 20, the guide rail assembly 21, the underframe 22, the suspension bracket 23, the upper connecting beam 24, the hydraulic lifting cylinder 25, the guide wheel 26, the lifting chain 27, the upper limit wheel 28, the connecting plate 29, the lower cross beam 30, the upper hanging plate 31, the upper cross beam 32, the guide wheel 33, the lower limit wheel 34, the right vertical beam 35, the left vertical beam 36, the left lower hanging plate head 37, the rotary disc type precision collector 38, the collector base 39, the right lower hanging plate head 40, the front support plate 41, the engine 42, the rear support plate, A rotary tillage assembly 44, a front plow 45, a rear plow 46 and a double-disc furrow opener 47.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The rape precise direct seeding machine based on the crawler-type combined harvesting power platform comprises a harvesting system, a suspension lifting device 12 and a ploughing and sowing system 16, wherein the harvesting system comprises a straw harvesting header 1, a conveying chain harrow 2, a threshing and cleaning device 3, a grass discharge port 19 and a harvesting transmission system. After being picked and cut by the straw collecting header 1, field stubble and floating grass are conveyed to the tail part of the combined harvesting system under the conveying action of a conveying channel consisting of the conveying chain harrow 2 and the threshing and cleaning device 3, and are discharged by the grass discharge port 19 after the rotary tillage and seeding operation of the tillage and seeding system 16 is finished, so that the grass covering process is finished.
As shown in fig. 4, the sowing system 16 includes a rotary tillage assembly 44, a front plow 45, a rear plow 46, a rotary disk type precision row collector 38 mounted on the rotary tillage assembly 44 via a row collector base 39, a double-disk furrow opener 47 and a suspension device, wherein the suspension device includes two front support plates 41 and two rear support plates 43, the two front support plates 41 are fixed on a front cross beam of the rotary tillage assembly 44 via front mounting seats, and the two rear support plates 43 are fixed on a middle cross beam of the rotary tillage assembly 44 via rear mounting seats.
Referring to fig. 2, the suspension lifting device 12 includes a bottom frame 22, a suspension frame 23, a guide rail assembly 21, a lifting cylinder 25 and a pair of lifting chains 27, wherein the bottom frame 22 is fixed on the harvesting system chassis 5, the hydraulic lifting cylinder 25 is fixed at the middle position of the rear cross beam of the bottom frame 22 through bolts, and the hydraulic power of the hydraulic lifting cylinder comes from the harvesting system chassis lifting hydraulic system. The guide rail assembly 21 comprises two guide rails symmetrically arranged at two sides of a hydraulic lifting cylinder 25, an upper connecting beam 20 used for connecting the upper end parts of the two guide rails and an upper middle connecting beam 24 connected to the middle upper parts of the two guide rails, and the upper connecting beam 20 and the lower connecting beam 24 reinforce the guide rails to ensure the stability of the guide rails in the lifting process; a pair of lifting chains 27 are wound around guide pulleys 26 installed at both sides of the hydraulic lift cylinder 25, respectively (i.e., one lifting chain 27 is wound around the guide pulley 26 at one side of the hydraulic lift cylinder 25, and the other lifting chain 27 is wound around the guide pulley 26 at the other side of the hydraulic lift cylinder 25), and one end of the pair of lifting chains 27 is fixed to the upper middle connecting beam 24 and the other end is fixed to the suspension bracket 23.
Referring to fig. 3, the suspension frame 23 includes a frame composed of an upper beam 32, a lower beam 30, a left vertical beam 36 and a right vertical beam 35, a pair of upper hitch plates 31 are installed in the middle of the upper beam 32, an upper limit wheel 28 is installed on each side of the upper beam 32, a lower limit wheel 34 is installed on each side of the lower beam 30, a left lower hitch plate head 37 is installed on the bottom of the left vertical beam 36, a right lower hitch plate head 40 is installed on the bottom of the right vertical beam 35, the upper limit wheel 28 and the lower limit wheel 34 are located in the same vertical plane, and the left lower hitch plate head 37 and the right lower hitch plate head 40 are located in the same vertical plane and are arranged on both sides of the limit wheels; in addition, two connecting plates 29 are respectively lined at two sides between the upper cross beam 32 and the lower cross beam 30, a pair of guide wheels 33 are respectively arranged on the outer side surface of each connecting plate 29, when the suspension bracket is installed, the guide wheels 33 on the two connecting plates 29 are respectively positioned in the sliding grooves at the inner sides of the guide rails, the pair of upper limiting wheels 28 and the pair of lower limiting wheels 34 are respectively arranged at the outer sides of the two guide rails and are in contact with the outer side surfaces of the guide rails, and the suspension bracket 23 smoothly moves up and down in the guide rails 21. In this embodiment, the upper suspension point of the three-point suspension of the conventional seeder is moved backward by combining the specific structure of the whole seeder, and the rear support plate 43 is connected to the upper suspension plate 31 of the suspension bracket 23 through the central pull rod 18. The lifting of the lifting hydraulic cylinder 25 is controlled by controlling the lifting of the chassis of the harvesting system, so that the lifting chain 27 is driven to pull the suspension bracket 23 to move up and down in the guide rail, and the lifting and the falling of the plowing and sowing system are realized.
As shown in figure 1, a transition belt wheel 7 and a first chain wheel 8 are coaxially arranged on a tail transition belt wheel shaft of a harvesting transmission system, a second chain wheel and a third chain wheel 11 are coaxially arranged on a chain wheel shaft 10 on the upper right of the tail transition belt wheel shaft, a first gear box 14 is welded on a chassis 22 of a suspension lifting device 12 through a gear box mounting seat, a second gear box 17 is arranged on a rotary tillage assembly 44, the first gear box 14 is connected with the second gear box 17 through a universal joint 15, and a fourth chain wheel 13 is arranged on an input shaft of the first gear box 14.
When the transmission system shown in the figure 6 is combined to work, the engine 42 of the harvesting system outputs power, the fan belt wheel 4 is driven to rotate by belt transmission, the power is transmitted to the straw harvesting header 1 by the fan belt wheel 4 through belt transmission, and then transmitted to the transition belt wheel 7 and the first chain wheel 8 coaxial with the transition belt wheel through belt transmission, wherein the first chain wheel 8 and the third chain wheel 11 are 17-tooth 16A chain wheels, the second chain wheel 9 and the fourth chain wheel 13 are 30-tooth 16A chain wheels, the four chain wheels are matched to form two-stage chain transmission speed reduction, the power is transmitted to the reversing gear box with the transmission ratio of 1:1 at the tail part of the combined harvester, and the power is reversed by the first gear box 14 and transmitted to the second gear box 17 through the universal joint 15 to drive the rotary tillage cutter shaft to rotate so as to complete the rotary tillage.
Referring to fig. 5, the stubble float grass collected by the straw harvesting header 1 is conveyed to the grass discharge port 19 and then thrown backwards under the action of centrifugal force and wind force, a mounting plate with holes is arranged at the inlet of the grass discharge port 19 to be mounted at the tail of the threshing and cleaning device 3, a triangular pyramidal guide strip 6 is arranged at the outlet of an internal channel of the grass discharge port 19, and the conical top of the triangular pyramidal guide body 6 points to the inlet to guide and divide the stubble float grass, so that the stubble float grass is thrown on the ground surface after sowing as uniformly as possible.
The invention relates to a rape precision direct seeding machine based on a crawler-type combined harvesting power platform, which is characterized in that rape seeding operation is carried out on the ground surface after rice is harvested, floating grass and stubble on the ground surface are picked and cut by a straw harvesting header, the floating grass and the stubble are conveyed to a grass discharge port at the tail part of the combined harvesting machine through a conveying channel of the harvesting platform, a ploughing and seeding system is lowered down through the vertical lifting function of a suspension lifting device when the ground surface is clean, a seedbed rotary tillage process required by the rape seeding operation is completed, ridging and seeding operation are synchronously completed in the advancing process of the combined harvesting machine, the floating grass and the stubble conveyed to the grass discharge port are thrown to the ground surface under the action of centrifugal force and wind force after the rape seeding operation is completed, and the whole machine can complete straw covering and field returning, seedbed rotary tillage, ridging. In this scheme, each part overall arrangement is comparatively compact, and the vertical dimension of complete machine can effectively be shortened to the vertical lift mode of adoption for the complete machine has better longitudinal stability, can not tumble when crossing the bank of a ditch and climbing.
On the basis of not changing the original structure and function of the combine harvester, the connection between the combine harvester and the plowing and sowing system and the lifting of the plowing and sowing system are realized by designing a suspension lifting device, a chassis lifting hydraulic circuit of the combine harvester is used for providing power for the suspension lifting device, and a suspension frame is driven to vertically move under the action of a lifting hydraulic cylinder, so that the lifting requirement of the plowing and sowing system is realized; meanwhile, transmission is reasonably designed on the basis of not changing the original transmission ratio of the combine harvester, and the engine of the combine harvester is used for providing power for rotary tillage operation of a tillage and seeding system, so that the aim of rotary tillage of rape seeding seedbeds is fulfilled, and seeding operation is further completed.
Claims (8)
1. The utility model provides a smart volume seed-sowing machine of rape based on crawler-type combine results power platform, includes results system and cultivates system (16), its characterized in that: also comprises a suspension lifting device (12) for connecting the harvesting system and the ploughing and sowing system (6); the suspension lifting device (12) comprises an underframe (22), a suspension bracket (23), a guide rail assembly (21), a lifting hydraulic cylinder (25) and a pair of lifting chains (27), wherein the underframe (22) is fixed on the harvesting system chassis (5), and the hydraulic lifting cylinder (25) is fixed in the middle of a rear cross beam of the underframe (22); the pair of lifting chains (27) respectively bypass guide wheels (26) arranged on two sides of the hydraulic lifting cylinder (25), one end of each lifting chain (27) is fixed on the guide rail assembly (21), and the other end of each lifting chain is fixed on the suspension bracket (23); the rear supporting plate (43) on the plowing and sowing system (16) is connected with the suspension bracket (23) through the central pull rod (18).
2. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 1, is characterized in that: the suspension bracket (23) comprises a frame, upper limiting wheels (28) arranged on two sides of an upper cross beam (32) of the frame and lower limiting wheels (34) arranged on two sides of a lower cross beam (30) of the frame, wherein the upper limiting wheels (28) and the lower limiting wheels (34) are positioned in the same vertical plane; two sides between the upper cross beam (32) and the lower cross beam (30) of the frame are respectively lined with a connecting plate (29), the outer side surface of each connecting plate (29) is uniformly provided with a pair of guide wheels (33), the guide wheels (33) on the two connecting plates (29) are all positioned in a sliding groove on the inner side of the guide rail assembly (21), and the pair of upper limiting wheels (28) and the pair of lower limiting wheels (34) are all arranged on the outer side of the guide rail assembly (21) and are in contact with the outer side surface of the guide rail assembly (21).
3. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 2, characterized in that: the suspension bracket (23) further comprises a left lower hanging plate head (37) arranged at the bottom of the left vertical beam (36) of the frame and a right lower hanging plate head (40) arranged at the bottom of the right vertical beam (35), and the left lower hanging plate head (37) and the right lower hanging plate head (40) are positioned in the same vertical plane and are arranged on two sides of the upper limiting wheel (28).
4. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 1, is characterized in that: the guide rail assembly (21) comprises two guide rails symmetrically arranged on two sides of the hydraulic lifting cylinder (25), an upper connecting beam (20) used for connecting the upper end parts of the two guide rails and an upper middle connecting beam (24) connected to the middle upper parts of the two guide rails, and one end of each of the pair of lifting chains (27) is fixed on the upper middle connecting beam (24).
5. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 1, is characterized in that: the rotary tillage seeding system (16) comprises a rotary tillage assembly (44), a front plow (45), a rear plow (46), a rotary disk type precise collector (38) arranged on the rotary tillage assembly (44) through a collector base (39), a double-disk furrow opener (47) and a suspension device, wherein the suspension device comprises two front support plates (41) and two rear support plates (43), the two front support plates (41) are fixed on a front cross beam of the rotary tillage assembly (44) through front mounting seats, and the two rear support plates (43) are fixed on a middle cross beam of the rotary tillage assembly (44) through rear mounting seats; the rear supporting plate (43) on the plowing and sowing system (16) is connected with the upper hanging plate (31) of the frame upper cross beam (32) of the suspension bracket (23) through the central pull rod (18).
6. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 1, is characterized in that: a transition belt wheel (7) and a first chain wheel (8) are coaxially mounted on a tail transition belt wheel shaft of the harvesting system, a second chain wheel and a third chain wheel (11) are coaxially mounted on a chain wheel shaft (10) on the upper right of the tail transition belt wheel shaft, a first gear box (14) is welded on a bottom frame (22) of a suspension lifting device (12) through a gear box mounting seat, a second gear box (17) is mounted on a rotary tillage assembly (44), the first gear box (14) is connected with the second gear box (17) through a universal joint (15), and a fourth chain wheel (13) is mounted on an input shaft of the first gear box (14).
7. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 6, is characterized in that: the first chain wheel (8) and the third chain wheel (11) are 17-tooth 16A chain wheels, and the second chain wheel (9) and the fourth chain wheel (13) are 30-tooth 16A chain wheels.
8. The rape precision direct seeding machine based on the crawler-type combined harvesting power platform as claimed in claim 1, is characterized in that: the inner channel outlet of the grass discharge port (19) of the harvesting system is provided with a triangular conical diversion strip (6) and the conical top of the triangular conical diversion body (6) points to the inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266619.2A CN111512720A (en) | 2020-04-07 | 2020-04-07 | Rape precision direct seeding machine based on crawler-type combined harvesting power platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266619.2A CN111512720A (en) | 2020-04-07 | 2020-04-07 | Rape precision direct seeding machine based on crawler-type combined harvesting power platform |
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| CN202010266619.2A Pending CN111512720A (en) | 2020-04-07 | 2020-04-07 | Rape precision direct seeding machine based on crawler-type combined harvesting power platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616378A (en) * | 2020-12-25 | 2021-04-09 | 华中农业大学 | Hand-held precision seeder for rape cell breeding |
| CN114097397A (en) * | 2021-12-02 | 2022-03-01 | 华北水利水电大学 | Vibrating type Chinese yam harvester and Chinese yam harvesting method |
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| CN202364713U (en) * | 2011-12-20 | 2012-08-08 | 于延军 | Lifting device for farm managing machine |
| CN103416124A (en) * | 2012-10-08 | 2013-12-04 | 华中农业大学 | Rape and wheat all-purpose seeder |
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| CN110214491A (en) * | 2019-06-13 | 2019-09-10 | 中国农业机械化科学研究院 | Multi-functional high position quick hitch and the high-clearance sprayer with the device |
| CN110574514A (en) * | 2019-09-11 | 2019-12-17 | 华中农业大学 | Rice stubble field rape covers grass seeder |
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Application publication date: 20200811 |