CN113748850B - Cutting and conveying mechanism of ramie combine harvester - Google Patents
Cutting and conveying mechanism of ramie combine harvester Download PDFInfo
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- CN113748850B CN113748850B CN202110888501.8A CN202110888501A CN113748850B CN 113748850 B CN113748850 B CN 113748850B CN 202110888501 A CN202110888501 A CN 202110888501A CN 113748850 B CN113748850 B CN 113748850B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D63/00—Outside dividers
- A01D63/02—Rotating dividers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/06—Harvesting of standing crops of flax or similar fibrous plants
- A01D45/065—Harvesting of standing crops of flax or similar fibrous plants of fibrous plants other than flax, e.g. ramie, sisal, hemp, jute, Spanish grass, raffia
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
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Abstract
The invention discloses a cutting and conveying mechanism of a ramie combine harvester, wherein an angle of a triangular mounting plate of a lower seedling dividing mechanism is an acute angle of 15-30 degrees, the acute angle faces to the front, an acute angle reinforcing block is sleeved on the acute angle, and one end of the triangular mounting plate, at which the acute angle is located, is inclined downwards by 15-30 degrees; the lower part of one side of the triangular mounting plate, which is far away from the acute angle, is provided with a deflector rod gear, a plurality of teeth of the deflector rod gear are uniformly arranged, and the side edges and the rear part of the deflector rod gear extend out of the triangular mounting plate; the driving belt is wound on the lower part of the triangular mounting plate through the driving wheel, a plurality of groups of deflector rod teeth are distributed on the driving belt at intervals, and the side edges of the deflector rod teeth extend out of the triangular mounting plate; one end of the guide rod is arranged at the lower part of the triangular mounting plate, the whole is extended from the driving lever gear to the lower conveying mechanism and is bent to be horizontal along the conveying direction of the lower conveying mechanism, and a conveying space for ramie to pass through is formed between the guide rods at the adjacent lower seedling dividing mechanisms. The lower seedling dividing mechanism of the invention realizes better guide conveying of ramie.
Description
Technical Field
The invention relates to agricultural mechanical equipment, in particular to a cutting and conveying mechanism of a ramie combine harvester.
Background
The ramie element is called Chinese grass, has nearly 5000 years of planting history in China, and the planting area and the yield of the ramie element currently account for more than 90 percent of the world. The ramie cultivation mainly aims at obtaining bast fibers, and the bast obtained after peeling and green scraping is called as raw ramie after being aired, namely the raw ramie is a raw material of ramie textiles; because the ramie fiber has the characteristics of long single fiber, high strength, high moisture absorption and dissipation speed, good heat conduction performance, white and mercerized degummed ramie, pure spinning, and blended spinning with cotton, silk, wool, chemical fiber and fiber, the ramie fiber has more and more demand in the international market. The ramie is harvested three times in general year, the traditional manual harvesting mode has more than three fifths of the labor amount in the whole production process, and the ramie harvesting process is labor-consuming, time-consuming, high in labor intensity and high in technical requirement. The mechanical harvesting equipment is the key of ramie raw material and feed production and is one of the important factors influencing the development of the ramie production to large-scale industrialization. Therefore, to promote the efficient development of ramie production, the research and innovation of the harvesting technology and the harvesting machine are very important.
The cutting and conveying mechanism of the ramie combine harvester is arranged at the front part of the harvester, the cutting and conveying mechanism is sequentially provided with a chain type conveying mechanism and a cutting mechanism from top to bottom, a lower seedling dividing mechanism for guiding ramie is further arranged in front between the chain type conveying mechanism and the cutting mechanism, the ramie is guided to the cutting mechanism and cut off from the root, then the cut-off ramie is conveyed to the side edge by the chain type conveying mechanism, and a bundling mechanism arranged at the outlet end bundles the ramie and then outputs the ramie. The lower seedling dividing mechanism plays the most important first step of ramie guiding and limiting work in the conveying process, and has great significance for orderly cutting and conveying of the ramie.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cutting and conveying mechanism of a ramie combine harvester, which adopts a novel lower seedling dividing mechanism to ensure that ramie is well guided and conveyed, improve the stability of subsequent cutting and conveying and ensure the ramie harvesting quality.
In order to realize the purpose, the invention provides the following technical scheme: a cutting and conveying mechanism of a ramie combine harvester comprises a frame, and a chain type conveying mechanism and a cutting mechanism which are sequentially arranged at the front part of the frame from top to bottom, wherein the chain type conveying mechanism comprises an upper conveying mechanism and a lower conveying mechanism, an upper seedling shifting mechanism for shifting ramie to the upper conveying mechanism is arranged above the front part of the upper conveying mechanism, a lower seedling separating mechanism for dispersing and conveying the ramie backwards is arranged at the front part between the lower conveying mechanism and the cutting mechanism, and a bundling mechanism is arranged at the output end of the chain type conveying mechanism; the lower seedling dividing mechanisms are arranged in a plurality of groups along the conveying direction of the chain type conveying mechanism, and a channel for ramie to enter is formed among the plurality of groups of lower seedling dividing mechanisms at intervals; the lower seedling dividing mechanism comprises a triangular mounting plate, a shifting rod gear, a driving belt, a shifting rod tooth and a guide rod, wherein an angle of the triangular mounting plate is an acute angle of 15-30 degrees, the acute angle faces the front, an acute angle reinforcing block is sleeved on the acute angle, and one end of the triangular mounting plate where the acute angle is located is inclined downwards, so that the angular mounting plate is inclined 15-30 degrees relative to the horizontal plane; the lower part of one side of the triangular mounting plate, which is far away from the acute angle, is provided with a deflector rod gear, a plurality of teeth of the deflector rod gear are uniformly arranged, and the side edge and the rear part of the deflector rod gear extend out of the triangular mounting plate, so that the side edge is positioned in the channel, and the rear part of the deflector rod gear is close to the lower conveying mechanism for matching; the driving belt is wound on the lower part of the triangular mounting plate through a driving wheel, the deflector rod teeth are distributed on the driving belt at intervals, the deflector rod teeth extend into the channel from the side edge, and the deflector rod teeth in the channel move towards the lower conveying mechanism to guide ramie when moving; one end of the guide rod is arranged at the lower part of the triangular mounting plate, the whole is bent to be horizontal along the conveying direction of the downward conveying mechanism from the shifting lever gear, and a conveying space for ramie to pass through is formed between the guide rods at the adjacent lower seedling dividing mechanisms.
As an improvement, the driving belt is wound on two driving wheels to form a ring, and one driving wheel and the deflector rod gear are coaxially arranged and linked; the deflector rod teeth are positioned below the deflector rod gear, and when the deflector rod teeth in the channel run to the deflector rod gear, the projection position of the deflector rod teeth is positioned between two teeth of the deflector rod gear.
As an improvement, the teeth of the shifting lever gear are arranged into an arc shape, and the convex surface of the arc-shaped surface faces to the rotating direction of the shifting lever gear.
As an improvement, the upper conveying mechanism and the lower conveying mechanism both comprise chains and chain wheels for winding the chains, the chains at the front parts are horizontally arranged, the chains are uniformly arranged along the length direction of the chains and provided with a plurality of feeding plates and a plurality of feeding teeth, and the feeding plates and the feeding teeth are sequentially arranged at intervals; the feeding plate comprises a transverse plate and a vertical plate, wherein the transverse plate is connected to the chain and horizontally arranged, the vertical plate is vertically arranged on the transverse plate, the transverse plate is arranged towards the outer end to form an acute angle structure used for guiding ramie, and the vertical plate is arranged on the transverse plate and used for pushing the ramie relative to one side of the chain output.
As an improvement, the feeding teeth between the two feeding plates are arranged into a plurality of feeding teeth with different lengths along the length direction of the chain.
As an improvement, when the teeth of the shifting lever gear run to be opposite to the lower conveying mechanism, the teeth are positioned between the two feeding plates of the lower conveying mechanism.
As an improvement, the guide rods are arranged into two groups with different heights from top to bottom, the upper guide rod is close to the lower conveying mechanism, and the lower guide rod is close to the cutting mechanism.
As an improvement, the lower guide rod is close to the front end of the feeding plate at the projection position, the upper guide rod is close to the rear end of the feeding plate at the projection position, the upper guide rod and the lower guide rod have front-back distance difference, and the ramie is subjected to compound limiting.
The ramie cutting device has the beneficial effects that through the integral structural design of the lower dividing mechanism, the ramie can stably reach the rear by virtue of the deflector rod teeth and the deflector rod gears in the ramie guiding process and then is cut by the cutting mechanism, and then the ramie is conveyed to the output end by the lower conveying mechanism under the matching and limiting among structures, so that better cutting and conveying effects are ensured.
Drawings
Fig. 1 is a schematic perspective view of the ramie combine harvester of the invention.
Fig. 2 is a schematic view of a partial three-dimensional structure of the ramie combine harvester of the invention.
Fig. 3 is a schematic perspective view of the lower seedling dividing mechanism and the lower conveying mechanism of the invention.
Fig. 4 is an enlarged view at M in fig. 3.
Fig. 5 is a side structure schematic view of the lower seedling dividing mechanism and the lower conveying mechanism of the invention.
Fig. 6 is a schematic perspective view of the lower seedling dividing mechanism of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1-6, a specific embodiment of the cutting and conveying mechanism of the ramie combine harvester of the present invention comprises a frame 0, a chain type conveying mechanism 1 and a cutting mechanism 2 which are sequentially arranged at the front part of the frame 0 from top to bottom, wherein the chain type conveying mechanism 1 comprises an upper conveying mechanism 11 and a lower conveying mechanism 12, an upper seedling poking mechanism 3 for poking ramie to the upper conveying mechanism 11 is arranged above the front part of the upper conveying mechanism 11, a lower seedling dividing mechanism 4 for dispersing and conveying ramie backwards is arranged at the front part between the lower conveying mechanism 12 and the cutting mechanism 2, and a bundling mechanism 5 is arranged at the output end of the chain type conveying mechanism 1; the lower seedling dividing mechanisms 4 are arranged in a plurality of groups along the conveying direction of the chain type conveying mechanism 1, and a channel 40 for ramie to enter is formed between the lower seedling dividing mechanisms 4 in a spaced mode; the lower seedling dividing mechanism 4 comprises a triangular mounting plate 41, a deflector rod gear 42, a driving belt 43, a deflector rod tooth 44 and a guide rod 45, wherein an angle of the triangular mounting plate 41 is an acute angle of 15-30 degrees, the acute angle faces to the front, an acute angle reinforcing block 411 is sleeved on the acute angle, one end of the triangular mounting plate 41 where the acute angle is located is inclined downwards, and the angular mounting plate 41 is inclined 15-30 degrees relative to the horizontal plane; the lower part of one side of the triangular mounting plate 41, which is far away from the acute angle, is provided with a deflector rod gear 42, a plurality of teeth of the deflector rod gear 42 are uniformly arranged, and the side edge and the rear part of the deflector rod gear 42 extend out of the triangular mounting plate 41, so that the side edge is positioned in the channel 40, and the rear part of the deflector rod gear is close to the lower conveying mechanism 12 for matching; the driving belt 43 is wound on the lower part of the triangular mounting plate 41 through a driving wheel 431, the deflector teeth 44 are in a plurality of groups and are distributed on the driving belt 43 at intervals, the deflector teeth 44 extend into the channel 40 from the side edge, and the deflector teeth 44 in the channel 40 run towards the lower conveying mechanism 12 to guide ramie when being movable; one end of the guide rod 45 is arranged at the lower part of the triangular mounting plate 41, the whole body extends from the deflector rod gear 42 to the lower conveying mechanism 12 and bends to the horizontal along the conveying direction of the lower conveying mechanism 12, and a conveying space 451 for ramie to pass through is formed between the guide rods 45 at the adjacent lower seedling dividing mechanisms 4.
When the ramie combine harvester is used, a driver drives the ramie combine harvester, ramie is contacted with the front part of the harvester, the lower seedling dividing mechanism 4 at the lower part disperses the ramie and guides the ramie to the lower cutting mechanism 2 and the lower conveying mechanism 12, the upper seedling shifting mechanism 3 at the upper part shifts the ramie to the upper conveying mechanism 11 in batches through rotation, the upper part and the lower part of the ramie combine harvester are respectively limited by the matching of the upper seedling shifting mechanism 3 and the upper conveying mechanism 11, and the lower seedling dividing mechanism 4 and the lower conveying mechanism 12, so that the ramie is stable, and the root of the ramie is cut off when contacting the cutting mechanism 2; then the cut ramie is sent to one side by the chain type conveying mechanism 1, the bundling mechanism 5 arranged at the outlet end completes the bundling, the bundled ramie can be poured to the ground for subsequent collection, or a conveying belt is further arranged at the outlet end and sent to the rear part of the harvester, and a storage bin is arranged at the rear part of the harvester for collection.
For the lower seedling dividing mechanisms 4, a plurality of groups of lower seedling dividing mechanisms 4 are arranged at equal intervals, channels 40 with the same size are provided among the lower seedling dividing mechanisms for the ramie to be orderly guided backwards to move forward after being dispersed, the triangular mounting plates 41 which are acute at 15-30 degrees and are not acute towards the front reduce the resistance to the ramie, the ramie clusters are dispersed by the sharp angles penetrating between the ramie stems well, the acute angle reinforcing blocks 411 are arranged to be in a three-dimensional polygonal pyramid shape to protect the contact positions of the ramie stems and parts at the lower part of the rear side of the triangular mounting plates 41. The angle-shaped mounting plate 41 forms an inclination of 15-30 degrees relative to the horizontal plane, so that the resistance of the ramie stalks when colliding is correspondingly reduced, and if some branches falling from the upper part after cutting collide, the ramie stalks can be well guided to roll off, and the structural collision damage is avoided. By arranging the plurality of the poking rod teeth 44 on the driving belt 43, the poking rod teeth 44 can be inserted behind the ramie to actively drive and convey the ramie when running into the channel 40, so that primary guide is completed until the poking rod teeth enter the range of the poking rod gear 42, the poking rod gear 42 covers the rear section of the channel 40 and the ramie facing the downward conveying mechanism 12 are actively driven and conveyed, and secondary guide is completed; the guide rods 45 of the lower seedling dividing mechanisms 4 are sequentially arranged in the conveying direction of the lower conveying mechanism 12, ramie is blocked by the inner side of the upper guide rod 45 at the rear end of the channel 40, and when the ramie is driven by the driving lever gear 42 and the lower conveying mechanism 12 in a matched mode to be conveyed to the output end, the ramie can pass through the conveying space 451 reserved between the front and rear guide rods 45, so that the ramie reaches the outer side of the next guide rod 45, the ramie is limited in the front and rear directions of the lower conveying mechanism 12 and the guide rods 45, and the ramie is conveyed to the output end under the driving of the front and rear matched modes of the lower conveying mechanism 12 and the driving lever gear 42. The integral lower seedling dividing mechanism 4 ensures the ordered guide and conveying of the ramie, the ramie can more stably reach the rear part by the shifting rod teeth 44 and the shifting rod gears 42 in the process and is cut by the cutting mechanism 2, and then the ramie is conveyed to the output end by the lower conveying mechanism 12 under the matching and limiting of the structures, thereby ensuring better cutting and conveying effects.
As a modified embodiment, the driving belt 43 is wound around two driving wheels 431 to form a ring, and one driving wheel 431 is coaxially arranged with the shift lever gear 42 and is linked with the shift lever gear; the shifter teeth 44 are located below the shifter gear 42, and when the shifter teeth 44 in the channel 40 run to the shifter gear 42, the projected position of the shifter teeth 44 is located between two teeth of the shifter gear 42.
As shown in fig. 3, 4, 5 and 6, the deflector rod gear 42 and the driving belt 43 are synchronously driven by the above structure, so that the structure can be driven by a group of driving mechanisms, the structure is simplified, the cost is controlled, and the operation synchronism of the deflector rod gear 42 and the deflector rod teeth 44 is ensured; during the structural design, when the shift lever teeth 44 move to the shift lever gear 42, the shift lever teeth are positioned between two teeth of the shift lever gear 42 (as shown in fig. 4), so that the ramie stalks can be well limited and guided between the gaps between the shift lever teeth 44 and the shift lever gear 42, and a better guiding and conveying effect is achieved, and thus, the tooth spacing of the shift lever gear 42 can be designed to be larger correspondingly, which is beneficial to guiding the following ramie from the shift lever gear 42 to the lower conveying mechanism 12, and avoiding the possibility of ramie jamming when the shift lever gear 42 rotates.
As a modified embodiment, the teeth of the lever gear 42 are arranged in an arc shape, and the convex surface of the arc face faces the rotation direction of the lever gear 42.
As shown in fig. 3, 4, and 6, the teeth of the shift lever gear 42 are arranged to be arc-shaped convex surfaces facing the rotation direction, which is more favorable for ramie to rotate when being guided to the lower conveying mechanism 12 and the shift lever gear 42 rotates back to the lower seedling dividing mechanism 4, so that the ramie can not be rotated with the ramie, the ramie can advance along the arc-shaped convex surfaces in an outward parabolic manner, the teeth of the shift lever gear 42 can be smoothly separated from the ramie, and the ramie is prevented from being jammed.
As an improved specific embodiment, each of the upper conveying mechanism 11 and the lower conveying mechanism 12 includes a chain 13 and a sprocket 14 for winding the chain 13, the chain 13 at the front part is horizontally arranged, the chain 13 is uniformly arranged along the length direction thereof with a plurality of feeding plates 131 and a plurality of feeding teeth 132, and the feeding plates 131 and the feeding teeth 132 are sequentially arranged at intervals; the feeding plate 131 comprises a horizontal plate 1311 connected to the chain 13 and arranged horizontally and a vertical plate 1312 arranged on the horizontal plate 1311 and arranged vertically, one end, facing outwards, of the horizontal plate 1311 is arranged to be an acute angle structure for guiding ramie, and the vertical plate 1312 is arranged on the horizontal plate 1311 and opposite to the output side of the chain 13 and used for pushing ramie.
As shown in fig. 1, 2, 3 and 4, a space for conveying ramie is formed between the feeding plates 131, and the space is further defined by the feeding teeth 132 at the rear and the guide rod 45 at the front; when the teeth of the shift lever gear 42 run to the chain 13 facing the front, the teeth are also positioned between the two feeding plates 131 to cooperatively feed ramie; the vertical plate 1312 specifically arranged on the feeding plate 131 is used for pushing ramie at the rear, the transverse plate 1311 can be arranged on the upper side and the lower side of the vertical plate 1312 to ensure the overall structural strength, the front end of the transverse plate 1311 is also arranged to be an acute-angle structure, so that the resistance when the transverse plate 1311 is in contact with the ramie is reduced, and the ramie is well guided to enter the space in front of or behind the transverse plate 1311 for orderly conveying; the feeding teeth 132 are arranged at the rear part of the space between the two feeding plates 131, provide friction force when contacting with ramie, and further drive the ramie to move towards the output end by means of the tooth structure; the good conveying effect is integrally ensured, so that ramie can be orderly conveyed in batches to finish bundling at the final outlet end.
As a modified embodiment, the feeding teeth 132 between the two feeding plates 131 are provided in a plurality of different lengths along the length direction of the chain 13.
As shown in fig. 4, since several branches of ramie are clamped and conveyed in the space between the two feeding plates 131, the branches are in different bending states, and the feeding teeth 132 with different lengths further improve the contact possibility and contact area when contacting with the ramie, thereby providing effective friction force, driving the ramie to be conveyed to the outlet end during operation, and reducing the possibility of ramie slippage.
As a modified embodiment, when the teeth of the lever gear 42 run opposite to the lower conveying mechanism 12, the teeth are located between the two feeding plates 131 of the lower conveying mechanism 12.
As shown in fig. 4, similar to the matching state of the shift lever gear 42 and the shift lever teeth 44, the teeth of the shift lever gear 42 are positioned between the two feeding plates 131 (as shown in fig. 4), so that the stems of ramie can be guided between the gaps between the teeth of the feeding plates 131 and the shift lever gear 42 in a well limited manner, and a better limited conveying effect is achieved, and thus, the distance between the two feeding plates 131 can be designed to be larger correspondingly, which is beneficial to smooth entry of ramie, and avoids collision and extrusion between the ramie and parts during the conveying process.
As a modified embodiment, the guide rods 45 are provided in two sets having different heights, the upper guide rod 45 is close to the lower conveying mechanism 12, and the lower guide rod 45 is close to the cutting mechanism 2.
As shown in fig. 5 and 6, the ramie cut by the cutting mechanism 2 is limited by the upper and lower guide rods 45, and then is matched with the upper lower conveying mechanism 12 to prevent the ramie from slipping downwards and falling.
As a modified embodiment, the lower guide rod 45 is close to the front end of the feeding plate 131 in the projection position, and the upper guide rod 45 is close to the rear end of the feeding plate 131 in the projection position, so that the upper guide rod 45 and the lower guide rod 45 have a front-back distance difference to perform composite limiting on the ramie.
As shown in fig. 5 and 6, when the ramie is conveyed by the lower conveying mechanism 12, the upper guide rod 45 is closer to the rear end of the feeding plate 131, so that the ramie is further pressed by the upper guide rod 45, and the lower conveying mechanism 12, the upper guide rod 45 and the lower guide rod 45 form a pressed and bent state of the ramie, so that the ramie is more stably pressed at the lower conveying mechanism 12, fully contacts with the feeding teeth 132 for limiting, and ensures a stable conveying effect.
As an improved specific embodiment, the upper conveying mechanism 11 may adopt the same structure as the lower conveying mechanism 12, stable and orderly conveying of the ramie is ensured under the cooperation of the lower conveying mechanism 12 and the lower seedling dividing mechanism 4, and the upper conveying mechanism 11 and the upper seedling shifting mechanism 3 cooperate to realize the stability of the upper branches and leaves of the ramie, so that the ramie can be stably conveyed well.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. A cutting and conveying mechanism of a ramie combine harvester comprises a frame (0), and a chain type conveying mechanism (1) and a cutting mechanism (2) which are sequentially arranged at the front part of the frame (0) from top to bottom, wherein the chain type conveying mechanism (1) comprises an upper conveying mechanism (11) and a lower conveying mechanism (12), an upper seedling shifting mechanism (3) for shifting ramie to the upper conveying mechanism (11) is arranged above the front part of the upper conveying mechanism (11), a lower seedling dividing mechanism (4) for dispersing and conveying the ramie backwards is arranged at the front part between the lower conveying mechanism (12) and the cutting mechanism (2), and a bundling mechanism (5) is arranged at the output end of the chain type conveying mechanism (1);
the method is characterized in that: the lower seedling dividing mechanisms (4) are arranged in a plurality of groups along the conveying direction of the chain type conveying mechanism (1), and a channel (40) for ramie to enter is formed among the plurality of groups of lower seedling dividing mechanisms (4) at intervals; the lower seedling dividing mechanism (4) comprises a triangular mounting plate (41), a deflector rod gear (42), a driving belt (43), a deflector rod tooth (44) and a guide rod (45), wherein an angle of the triangular mounting plate (41) is an acute angle of 15-30 degrees, the acute angle faces to the front, an acute angle reinforcing block (411) is sleeved on the acute angle, one end of the triangular mounting plate (41) where the acute angle is located is inclined downwards, and the triangular mounting plate (41) is inclined 15-30 degrees relative to the horizontal plane; the lower part of one side, far away from the acute angle, of the triangular mounting plate (41) is provided with a deflector rod gear (42), a plurality of teeth of the deflector rod gear (42) are uniformly arranged, the side edge and the rear part of the deflector rod gear extend out of the triangular mounting plate (41), the side edge is positioned in the channel (40), and the rear part of the deflector rod gear is close to the lower conveying mechanism (12) for matching; the driving belt (43) is wound on the lower part of the triangular mounting plate (41) through a driving wheel (431), the poking rod teeth (44) are distributed on the driving belt (43) in a plurality of groups at intervals, the poking rod teeth (44) extend into the channel (40) from the side edge, and the poking rod teeth (44) in the channel (40) move towards the lower conveying mechanism (12) to guide ramie when moving; one end of each guide rod (45) is arranged at the lower part of the triangular mounting plate (41), the whole structure extends from the deflector rod gear (42) to the lower conveying mechanism (12) and bends to be horizontal along the conveying direction of the lower conveying mechanism (12), and a conveying space (451) for ramie to pass through is formed between the guide rods (45) at the adjacent lower seedling dividing mechanisms (4);
the driving belt (43) is wound on the two driving wheels (431) to form a ring, and one driving wheel (431) is coaxially arranged with the deflector rod gear (42) and is linked with the deflector rod gear; the deflector rod teeth (44) are positioned below the deflector rod gear (42), and when the deflector rod teeth (44) in the channel (40) run to the deflector rod gear (42), the projection position of the deflector rod teeth (44) is positioned between two teeth of the deflector rod gear (42);
the upper conveying mechanism (11) and the lower conveying mechanism (12) respectively comprise a chain (13) and a chain wheel (14) used for winding the chain (13), the chain (13) at the front part is horizontally arranged, the chain (13) is uniformly provided with a plurality of feeding plates (131) and a plurality of feeding teeth (132) along the length direction of the chain, and the feeding plates (131) and the feeding teeth (132) are sequentially arranged at intervals; the feeding plate (131) comprises a horizontal plate (1311) which is connected to the chain (13) and is horizontally arranged and a vertical plate (1312) which is arranged on the horizontal plate (1311) and is vertically arranged, one outward end of the horizontal plate (1311) is arranged to be an acute angle structure for guiding ramie, and the vertical plate (1312) is arranged on the horizontal plate (1311) and is opposite to one output side of the chain (13) and used for pushing the ramie;
the guide rods (45) are arranged into two groups with different vertical heights, the upper guide rods (45) are close to the lower conveying mechanism (12), and the lower guide rods (45) are close to the cutting mechanism (2);
the lower guide rod (45) is close to the front end of the feeding plate (131) in the projection position, the upper guide rod (45) is close to the rear end of the feeding plate (131) in the projection position, the upper guide rod (45) and the lower guide rod (45) have front-back distance difference, and the ramie is subjected to compound limiting.
2. The cutting and conveying mechanism of the ramie combine harvester according to claim 1, characterized in that: the teeth of the deflector rod gear (42) are arc-shaped, and the convex surface of the arc-shaped surface faces to the rotating direction of the deflector rod gear (42).
3. The cutting and conveying mechanism of the ramie combine harvester according to claim 1, characterized in that: the feeding teeth (132) between the two feeding plates (131) are arranged in a plurality of different lengths along the length direction of the chain (13).
4. The cutting and conveying mechanism of the ramie combine harvester according to claim 1, characterized in that: when the teeth of the deflector rod gear (42) run to be opposite to the lower conveying mechanism (12), the teeth are positioned between the two feeding plates (131) of the lower conveying mechanism (12).
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| CN202110888501.8A CN113748850B (en) | 2021-08-03 | 2021-08-03 | Cutting and conveying mechanism of ramie combine harvester |
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| CN202110888501.8A CN113748850B (en) | 2021-08-03 | 2021-08-03 | Cutting and conveying mechanism of ramie combine harvester |
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| CN113748850B true CN113748850B (en) | 2023-01-06 |
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| CN114847008B (en) * | 2022-04-20 | 2023-03-21 | 农业农村部南京农业机械化研究所 | Be applied to debugging rope mechanism on industry hemp harvester |
| CN115211278A (en) * | 2022-06-02 | 2022-10-21 | 新疆农业大学 | Cotton stalk pulling, peeling and harvesting all-in-one machine |
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| JP2008220280A (en) * | 2007-03-13 | 2008-09-25 | Kubota Corp | Whole culm feeding type combine harvester |
| CN202873359U (en) * | 2012-09-17 | 2013-04-17 | 农业部南京农业机械化研究所 | Crop-poking horizontal conveying device |
| CN103430692A (en) * | 2013-09-09 | 2013-12-11 | 农业部南京农业机械化研究所 | High and thick-stalk crop harvester |
| CN106856805A (en) * | 2015-12-11 | 2017-06-20 | 邢筱丹 | Crawler type ramie combine |
| CN206413433U (en) * | 2017-01-20 | 2017-08-18 | 雷沃重工股份有限公司 | Rice-pulling chain |
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