CN110574544B - Sunflower harvesting header - Google Patents
Sunflower harvesting header Download PDFInfo
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- CN110574544B CN110574544B CN201910980806.4A CN201910980806A CN110574544B CN 110574544 B CN110574544 B CN 110574544B CN 201910980806 A CN201910980806 A CN 201910980806A CN 110574544 B CN110574544 B CN 110574544B
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- sunflower
- scion
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- reel
- harvesting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
The invention relates to the technical field of agricultural machinery, in particular to a sunflower harvesting header, which comprises a frame, a plurality of sunflower harvesting heads and a plurality of sunflower harvesting heads, wherein one or more row groups are arranged on the frame and are used for corresponding to sunflower planting rows; the middle part of the single row group is a harvesting channel; the divider is arranged at the front end of the frame; the straw poking and feeding device is arranged on the frame, positioned at two sides of the harvesting channel and used for poking the sunflower stems to move backwards; a stalk pulling apparatus, comprising: a stalk pulling roller rotatably provided on the frame; the stalk pulling roller sequentially comprises a leading-in section, a stalk pulling section and a cutting section from front to back; the two stalk pulling rollers are arranged at two sides of the harvesting channel and used for pulling and cutting the sunflower stalks downwards; the sunflower disc scion device comprises: a conveyor belt and a sunflower disc scion board; the driving plate component is arranged on the conveying belt and is used for conveying the sunflower discs and the seeds; an elastic component is arranged between the sunflower disc scion board and the frame. The invention can reduce the loss of seeds in the sunflower harvesting process and reduce the phenomenon of disc leakage and disc falling.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a sunflower harvesting header.
Background
Sunflower is an important cash crop in China. In recent years, the domestic sunflower planting area is gradually increased year by year, the harvesting process is an important component part of an agricultural harvesting link, and along with the development of large-scale planting and agricultural modernization, the mechanized harvesting of the sunflower is a necessary trend of development.
However, the mechanized harvesting equipment of sunflower is still immature at present; most of harvesting cutting tables are refitted from other cereal harvesting cutting tables, and the problems of high loss rate of seeds, disc dropping of a leaking disc, winding blockage and the like exist.
Disclosure of Invention
In view of the above, the invention provides a sunflower harvesting header, which is mainly used for reducing loss of seeds in the sunflower harvesting process and reducing the phenomenon of disc leakage and disc falling.
In order to achieve the above purpose, the present invention mainly provides the following technical solutions:
The embodiment of the invention provides a sunflower harvesting header, which comprises a frame, a divider, a reel feeding device, a stem pulling device, a sunflower disc scion device and a conveying auger;
one or more row groups are arranged on the frame and used for harvesting corresponding to sunflower planting rows; the middle part of each row group is a harvesting channel of sunflower stems;
the crop divider is arranged at the front end of the frame and positioned at two sides of the harvesting channel and is used for supporting and separating sunflower stems;
The seedling pulling feeding device is arranged on the frame and is arranged on two sides of the harvesting channel and used for pulling the sunflower stalks to move backwards;
the reel feeding device comprises: a front support, reel and reel chain;
the front support is arranged on the frame;
The reel is provided with a plurality of reel wheels; the reel wheels are rotatably arranged on the frame; at least one reel is rotatably arranged on the front support;
The reel chain is arranged on the reel and is driven to rotate by the reel; the reel chain is provided with reel teeth; the number of the reel teeth is multiple; a plurality of the reel teeth are arranged on the reel chain in a tooth-to-tooth manner;
the straw poking teeth which are arranged on two sides of the harvesting channel and are close to the harvesting channel are driven by the straw poking chain belt to move backwards and are used for poking the sunflower stems backwards;
The stalk pulling device comprises: a stalk pulling roll; the stalk pulling roller can be rotatably arranged on the frame and driven to rotate; the stalk pulling roller is positioned below the reel chain; the number of the stalk rolls is two; the two stalk pulling rollers are respectively arranged at two sides of the harvesting channel and are parallel to each other; the two stalk pulling rollers are opposite in rotation direction and are used for pulling and cutting sunflower stalks between the two stalk pulling rollers downwards;
the stalk pulling roller sequentially comprises a leading-in section, a stalk pulling section and a cutting section from front to back; the outer wall of the leading-in section is of a spiral cone structure, and the two leading-in sections rotate relatively and are used for leading in stalks;
The outer wall of the stem pulling section is fixedly provided with a raised strip structure; the strip structure is arranged along the axial direction of the stalk rolls; the strip structure is a plurality of strips; the strip structures are arranged at intervals along the circumferential direction of the stalk pulling roller, and the stalk pulling sections rotate to pull down stalks;
The outer wall of the cutting section is fixedly provided with a raised blade; the cutting edge is arranged along the axial direction of the stalk rolls; the number of the cutting edges is multiple; the blades are arranged at intervals along the circumferential direction of the stalk rolls; the cutting end rotates and is used for pulling down the stalks and cutting the stalks;
The sunflower disc scion devices are arranged on the frame and distributed on two sides of the harvesting channel;
The sunflower disc scion device comprises: scion wheel, conveyer belt and sunflower disc scion board;
The scion wheel can be rotatably arranged on the frame; the number of the scion wheels is at least two; the two scion wheels are arranged front and back; the conveying belt is arranged on the scion wheel and is driven to rotate by the scion wheel; the conveying belt is positioned above the reel chain;
a driving plate member is fixedly arranged on the conveying belt; the dial member is plural; a plurality of the dial members are provided on the conveyor belt at intervals;
The sunflower disc scion board is arranged on the frame and is positioned below the driving plate member so as to support the sunflower disc when the stem pulling roller pulls the sunflower stems; an elastic member is arranged between the sunflower disc scion board and the frame, so that when the sunflower disc scion board is subjected to downward pressure of the sunflower disc, the sunflower disc scion board moves downwards, and rebounds after the pressure disappears;
The conveying belt drives the driving plate member to rotate and is used for conveying the sunflower discs and seeds on the sunflower disc scion plates;
the conveying auger is arranged on the frame and used for receiving and conveying materials conveyed by the conveying belt.
Further, a seed collection mechanism is arranged on the frame; the grain collecting mechanisms are positioned at two sides of the harvesting channel;
the grain collection mechanism includes: a collecting tank and a collecting plate;
The collecting tank is fixedly arranged on the frame; the collecting groove is arranged along the extending direction of the harvesting channel;
The collecting plate is fixedly arranged on the frame and is positioned below the sunflower disc scion plate; the collecting plate is obliquely arranged towards the collecting tank and is used for guiding the seeds on the collecting plate into the collecting tank;
an unloading port is arranged on the collecting tank; the unloading port is provided with an opening and closing member for selectively opening or closing the unloading port.
Further, a sealing strip brush is fixedly arranged on the collecting plate; the sealing strip brush extends to the central line of the harvesting channel so as to prevent seeds from falling.
Further, the reel is arranged on the front support piece through a bearing seat; the bearing seat is slidably arranged on the front support;
The front support piece is provided with a tensioning mechanism; one end of the tensioning mechanism is hinged with the front supporting piece, and the other end of the tensioning mechanism is hinged with the bearing seat; the bearing seat is applied with pushing force by the tensioning mechanism and is used for tensioning the reel chain.
Further, the rotating shafts of the reel wheels on the frame are parallel to each other;
The plane of the front support piece where the reel chain is located has a preset included angle with the plane of the frame where the reel chain is located;
the preset included angle is 5-25 degrees.
Further, the inner side of the reel chain on the front support gradually approaches the center of the harvesting channel from front to back; the reel chains on two sides of the harvesting channel are symmetrically arranged.
Further, when the dial member moves above the sunflower disc scion board, the dial member is attached to the sunflower disc scion board;
the end of the dial member above the sunflower disc scion board is no more distant from the center line of the harvesting channel than the inner end face of the sunflower disc scion board is distant from the center line of the harvesting channel.
Further, the length of the stem pulling section is longer than the length of the introducing section;
The length of the stem pulling section is longer than that of the cutting section.
Further, the number of the strip structures is the same as the number of the blades;
the cutting edge is arranged in the extending direction of the strip structure and is positioned on the same plane with the strip structure;
The front end of the blade is connected with the rear end of the strip structure.
Further, the grass removing knife is fixedly arranged on the frame and positioned at one side of the stalk rolls and used for removing weeds wound on the stalk rolls.
By means of the technical scheme, the sunflower harvesting header has at least the following advantages:
can reduce the loss of seeds in the sunflower harvesting process and reduce the phenomenon of disc leakage and disc falling.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a sunflower harvesting header according to an embodiment of the present invention;
fig. 2 is a schematic bottom view of a sunflower harvesting header according to an embodiment of the present invention;
Fig. 3 is a schematic view of a part of a structure of a sunflower harvesting header according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a stalk pulling device in a sunflower harvesting header according to an embodiment of the present invention;
FIG. 5 is a schematic view of a seed collection mechanism in a sunflower harvesting header according to an embodiment of the present invention;
Fig. 6 is a schematic cross-sectional view of a stalk pulling section of a stalk pulling roll in a sunflower harvesting header according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a cutting section of a stalk roll in a sunflower harvesting header according to an embodiment of the present invention.
The figure shows:
1 is a frame, 1-1 is a shield, 2 is a crop divider, 3 is a crop pulling and feeding device, 3-1 is a front supporting piece, 3-1 is a crop pulling wheel, 3-3 is a crop pulling chain, 3-4 is a crop pulling tooth, 3-5 is a tensioning mechanism, 4 is a stem pulling device, 4-1 is a leading-in section, 4-2 is a stem pulling section, 4-21 is a strip structure, 4-3 is a cutting section, 4-31 is a cutting edge, 5 is a sunflower disc scion device, 5-1 is a scion wheel, 5-2 is a conveying belt, 5-3 is a driving plate member, 5-4 is a sunflower disc scion plate, 5-5 is an elastic member, 6 is a conveying auger, 7 is a seed grain collecting mechanism, 7-1 is a collecting groove, 7-11 is an unloading port, 7-2 is a collecting plate, and 8 is a grass picking knife.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the invention, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
As shown in fig. 1 to 7, the sunflower harvesting header according to one embodiment of the present invention comprises a frame, a crop divider, a crop poking and feeding device, a stalk pulling device, a sunflower disc scion device and a conveying auger; the rack is of a frame structure; the frame is formed by welding formed steel materials; the frame is used for being mounted at the front end of the sunflower harvester and used for harvesting sunflower discs. The two sides of the frame are provided with shields. One or more row groups are arranged on the frame and used for harvesting corresponding to sunflower planting rows; the middle part of the single row group is a harvesting channel of sunflower stems; the header of different numbers of row groups can be produced as required.
The crop divider is arranged at the front end of the frame and positioned at two sides of the harvesting channel and is used for supporting and separating sunflower stems; the harvester moves forward, and the sunflower stalks are guided to the reel feeding device by the divider.
The seedling pulling feeding devices are arranged on the frame and are arranged on two sides of the harvesting channel and used for pulling the sunflower stems to move backwards; the reel feeding device comprises: a front support, reel and reel chain; the front supporting piece is arranged on the frame and used for supporting the reel; the reel is a plurality of reels; the reel wheels can be rotatably arranged on the frame; preferably connected to the frame by bearings; at least one reel is rotatably arranged on the front support, preferably the reel is connected to the front support by means of a bearing. The reel chain is arranged on the reel, and is driven to rotate by the reel; the reel chain is provided with reel teeth; the number of the reel teeth is multiple; a plurality of reel teeth are arranged on the reel chain in a spacing way; the reel drives the reel chains to rotate, so that reel teeth on two sides of the harvesting channel and close to the harvesting channel are driven by the reel chains to move backwards for poking the sunflower stems backwards;
The stalk pulling device comprises: a stalk pulling roll; the stalk pulling roller can be rotatably arranged on the frame and driven to rotate; preferably, the two ends of the stalk rolls are connected with the frame through bearings. The stalk pulling roller is positioned below the stalk pulling chain; two stalk pulling rolls are arranged on one row group; the two stalk pulling rollers are respectively arranged at two sides of the harvesting channel and are parallel to each other; the two stalk pulling rollers are opposite in rotation direction and are used for pulling and cutting sunflower stalks between the two stalk pulling rollers downwards;
the stalk pulling roller sequentially comprises a leading-in section, a stalk pulling section and a cutting section from front to back; the feeding quantity of the stalks can be reduced, and the blockage can be prevented.
The outer wall of the leading-in section is of a spiral cone structure, and the two leading-in sections rotate relatively and are used for receiving the stalks guided by the crop divider and further guiding the stalks in the harvesting channel;
The outer wall of the stem pulling section is fixedly provided with a raised strip structure; the strip structure is arranged along the axial direction of the stalk pulling roller; the strip structure is a plurality of strips; the plurality of strip structures are arranged at intervals along the circumferential direction of the stalk pulling roller, and the stalk pulling sections rotate to pull down stalks; when the two stalk pulling rollers rotate relatively, the strip structures on the two stalk pulling rollers correspondingly squeeze the sunflower stalks between the two stalk pulling rollers, and pull the sunflower stalks downwards along with the rotation of the stalk pulling rollers.
The outer wall of the cutting section is fixedly provided with a raised blade; the blade is arranged along the axial direction of the stalk rolls; the number of the cutting edges is multiple; the blades are arranged at intervals along the circumferential direction of the stalk rolls; the cutting end rotates to pull down the stems and cut the stems to cut off the sunflower stems so as to separate the sunflower stems from the sunflower disc.
The sunflower disc scion devices are arranged on the frame and distributed on two sides of the harvesting channel; the sunflower disc scion device comprises: scion wheel, conveyer belt and sunflower disc scion board; the scion wheel can be rotatably arranged on the frame; the scion wheel is connected with the frame through a bearing; in the embodiment, the scion wheel is preferably a chain wheel; of course, pulleys are not excluded. At least two scion wheels are arranged; the two scion wheels are arranged front and back; the conveying belt is arranged on the scion wheel and is driven to rotate by the scion wheel; the conveying belt is positioned above the reel chain; a driving plate component is fixedly arranged on the conveying belt; the number of the dial members is plural; a plurality of dial members are provided on the conveyor belt at intervals; the preferred number of scion wheels in this embodiment is 3-4 so that the conveyor belt can be tensioned and guided into position. The protective cover is arranged above the sunflower disc scion device and is fixedly locked on the frame.
The sunflower disc scion board is arranged on the frame and positioned below the driving plate component so as to support the sunflower disc when the stem pulling roller pulls the sunflower stems; an elastic member is arranged between the sunflower disc scion board and the frame, so that when the sunflower disc scion board is pressed downwards by the sunflower disc, the sunflower disc scion board moves downwards, and the pressure is rebounded; the impact between the sunflower disc and the sunflower disc scion board can be reduced, and the seed loss is reduced. The sunflower disc is arranged above the sunflower disc scion board, and the stalks are cut off through the stalk pulling roller, so that the stalks are separated from the sunflower disc.
The conveying belt drives the driving plate component to rotate and is used for conveying the sunflower discs and seeds on the sunflower disc scion board backwards; the conveying auger is arranged on the frame and positioned behind the sunflower disc scion board and used for receiving and conveying materials conveyed by the conveying belt.
The sunflower harvesting header provided by the embodiment of the invention can reduce the loss of seeds in the sunflower harvesting process, reduce the phenomenon of disc leakage and improve the harvesting efficiency of the oil sunflower.
As a preferable mode of the embodiment, the frame is also provided with a seed collection mechanism; the seed collection mechanisms are positioned at two sides of the harvesting channel; the grain collection mechanism includes: a collecting tank and a collecting plate; the collecting tank is fixedly arranged on the frame; preferably by welding. The collecting groove is arranged along the extending direction of the harvesting channel so as to collect sunflower seeds along the way when the sunflower seeds fall off from the sunflower disc scion board. The collecting plate is fixedly arranged on the frame and positioned below the sunflower disc scion plate; the collecting plate is obliquely arranged towards the collecting tank and is used for guiding the seeds on the collecting plate into the collecting tank;
The collecting tank is provided with an unloading opening for unloading sunflower seeds collected on the collecting tank. The unloading port is provided with an opening and closing member for selectively opening or closing the unloading port. Closing when sunflower seeds are collected; opening when the sunflower seeds need to be unloaded. Can reduce the waste of sunflower seeds to a great extent and increase the benefits of farmers.
Further preferably, the collecting plate is fixedly provided with a sealing strip brush; the sealing strip brush extends to the central line of the harvesting channel to prevent seeds from falling. The sealing strip brushes at the two sides of the harvesting channel are mutually crossed so as to prevent sunflower seeds from falling off when the sunflower stems pass. Preferably the sealing strip brush is secured to the end of the collecting plate near the centre of the harvesting channel.
As a preference of the above-described embodiments, the reel is arranged on the front support by means of a bearing block; the bearing seat is slidably arranged on the front support; the relative position of the reel is adjusted through the bearing seat; the front support piece is provided with a tensioning mechanism; one end of the tensioning mechanism is hinged with the front supporting piece, and the other end of the tensioning mechanism is hinged with the bearing seat; the bearing seat is applied with thrust by the tensioning mechanism for tensioning the reel chain. Preferably the tensioning mechanism is a compression spring.
As a preference of the above embodiment, the rotation axes of the reel on the frame are parallel to each other; the plane of the front support piece where the reel chain is located has a preset included angle with the plane of the frame where the reel chain is located; the predetermined included angle is 5-25 degrees. The front end of the frame is provided with a straw pulling chain for pulling the sunflower stems backwards; at the middle part of the frame, the stalk pulling chain can be used for pulling stalks upwards along the inclination of the sunflower disc scion board, so that the sunflower disc can be conveniently transported and collected backwards.
As a preference of the above-described embodiment, the inner side of the reel chain on the front support gradually approaches the center of the harvesting channel from front to back; the reel chains on two sides of the harvesting channel are symmetrically arranged so as to guide the sunflower stems to be concentrated towards the center of the harvesting channel when the sunflower stems enter the harvesting channel, thereby being convenient for collecting the sunflower discs and cutting the stems.
As a preference of the above embodiment, the dial member engages the sunflower disc scion board when the dial member is moved over the sunflower disc scion board to prevent missing sunflower seeds; the distance between the end part of the driving plate component above the sunflower disc scion board and the central line of the harvesting channel is not greater than the distance between the inner end surface of the sunflower disc scion board and the central line of the harvesting channel, so that the driving plate component can cover the width of the sunflower disc scion board, and materials on the sunflower disc scion board are all conveyed.
Preferably, the length of the stem pulling section is longer than that of the leading-in section, and the length of the stem pulling section is longer than that of the cutting section, so that a longer stem pulling distance can be provided, and the sunflower stems can be completely pulled out.
As a preference to the above embodiment, the number of strip structures is the same as the number of blades; the cutting edge is arranged in the extending direction of the strip structure and is positioned on the same plane with the strip structure; the front end of the blade is connected with the rear end of the strip structure, so that when the stalk pulling rollers rotate, the strip structures on the two stalk pulling rollers can correspondingly squeeze and pull down stalks relatively; the blades can mutually and correspondingly cut the stalks, and are convenient for processing and manufacturing the stalk pulling roller.
Preferably, the grass-removing knife is fixedly arranged on the frame and positioned at one side of the stalk rolls, and is used for removing weeds wound on the stalk rolls and preventing the weeds from blocking the stalk rolls. The grass picking knife is arranged at the lower end of the collecting tank.
As a preference of the above-described embodiment, the front support is rotatably provided on the frame; the adjusting component is arranged between the front supporting piece and the frame and is used for pushing the reel on the front supporting piece to a preset position; under the action of the elastic adjusting component, the openings at two sides of the harvesting channel can be adjusted and changed along with the quantity or the position of the sunflower stems.
The sunflower harvesting header provided by the embodiment of the invention is hung on the host of the sunflower harvester, and the host advances in the sunflower field to harvest the sunflower discs; the sunflower harvesting header provided by the embodiment of the invention adopts a double-layer shifting structure, and the upper-layer sunflower disc scion device is responsible for shifting the sunflower discs and falling seeds backwards; the lower layer reel feeding device is responsible for reel backwards, and adopts the sunflower disc scion device and the seed collection mechanism to collect the sunflower disc and the seeds, and the double-layer drop seed collection structure avoids the loss of the falling seeds.
Further, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with these terms only being used to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, neither element nor element two is a sequence of elements only intended to distinguish one element from another element. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The sunflower harvesting header is characterized by comprising a frame, a crop divider, a crop pulling and feeding device, a stem pulling device, a sunflower disc scion device and a conveying auger;
one or more row groups are arranged on the frame and used for harvesting corresponding to sunflower planting rows; the middle part of each row group is a harvesting channel of sunflower stems;
the crop divider is arranged at the front end of the frame and positioned at two sides of the harvesting channel and is used for supporting and separating sunflower stems;
The seedling pulling feeding device is arranged on the frame and is arranged on two sides of the harvesting channel and used for pulling the sunflower stalks to move backwards;
the reel feeding device comprises: a front support, reel and reel chain;
the front support is arranged on the frame;
The reel is provided with a plurality of reel wheels; the reel wheels are rotatably arranged on the frame; at least one reel is rotatably arranged on the front support;
The reel chain is arranged on the reel and is driven to rotate by the reel; the reel chain is provided with reel teeth; the number of the reel teeth is multiple; a plurality of the reel teeth are arranged on the reel chain in a tooth-to-tooth manner;
the straw poking teeth which are arranged on two sides of the harvesting channel and are close to the harvesting channel are driven by the straw poking chain belt to move backwards and are used for poking the sunflower stems backwards;
The stalk pulling device comprises: a stalk pulling roll; the stalk pulling roller can be rotatably arranged on the frame and driven to rotate; the stalk pulling roller is positioned below the reel chain; the number of the stalk rolls is two; the two stalk pulling rollers are respectively arranged at two sides of the harvesting channel and are parallel to each other; the two stalk pulling rollers are opposite in rotation direction and are used for pulling and cutting sunflower stalks between the two stalk pulling rollers downwards;
the stalk pulling roller sequentially comprises a leading-in section, a stalk pulling section and a cutting section from front to back; the outer wall of the leading-in section is of a spiral cone structure, and the two leading-in sections rotate relatively and are used for leading in stalks;
The outer wall of the stem pulling section is fixedly provided with a raised strip structure; the strip structure is arranged along the axial direction of the stalk rolls; the strip structure is a plurality of strips; the strip structures are arranged at intervals along the circumferential direction of the stalk pulling roller, and the stalk pulling sections rotate to pull down stalks;
The outer wall of the cutting section is fixedly provided with a raised blade; the cutting edge is arranged along the axial direction of the stalk rolls; the number of the cutting edges is multiple; the blades are arranged at intervals along the circumferential direction of the stalk rolls; the cutting end rotates and is used for pulling down the stalks and cutting the stalks;
The sunflower disc scion devices are arranged on the frame and distributed on two sides of the harvesting channel;
The sunflower disc scion device comprises: scion wheel, conveyer belt and sunflower disc scion board;
The scion wheel can be rotatably arranged on the frame; the number of the scion wheels is at least two; the two scion wheels are arranged front and back; the conveying belt is arranged on the scion wheel and is driven to rotate by the scion wheel; the conveying belt is positioned above the reel chain;
a driving plate member is fixedly arranged on the conveying belt; the dial member is plural; a plurality of the dial members are provided on the conveyor belt at intervals;
The sunflower disc scion board is arranged on the frame and is positioned below the driving plate member so as to support the sunflower disc when the stem pulling roller pulls the sunflower stems; an elastic member is arranged between the sunflower disc scion board and the frame, so that when the sunflower disc scion board is subjected to downward pressure of the sunflower disc, the sunflower disc scion board moves downwards, and rebounds after the pressure disappears;
The conveying belt drives the driving plate member to rotate and is used for conveying the sunflower discs and seeds on the sunflower disc scion plates;
the conveying auger is arranged on the frame and used for receiving and conveying materials conveyed by the conveying belt.
2. The sunflower harvesting header of claim 1, wherein,
The machine frame is also provided with a seed collection mechanism; the grain collecting mechanisms are positioned at two sides of the harvesting channel;
the grain collection mechanism includes: a collecting tank and a collecting plate;
The collecting tank is fixedly arranged on the frame; the collecting groove is arranged along the extending direction of the harvesting channel;
The collecting plate is fixedly arranged on the frame and is positioned below the sunflower disc scion plate; the collecting plate is obliquely arranged towards the collecting tank and is used for guiding the seeds on the collecting plate into the collecting tank;
an unloading port is arranged on the collecting tank; the unloading port is provided with an opening and closing member for selectively opening or closing the unloading port.
3. The sunflower harvesting header of claim 2, wherein,
The collecting plate is fixedly provided with a sealing strip brush; the sealing strip brush extends to the central line of the harvesting channel so as to prevent seeds from falling.
4. The sunflower harvesting header of claim 1, wherein,
The reel is arranged on the front support piece through a bearing seat; the bearing seat is slidably arranged on the front support;
The front support piece is provided with a tensioning mechanism; one end of the tensioning mechanism is hinged with the front supporting piece, and the other end of the tensioning mechanism is hinged with the bearing seat; the bearing seat is applied with pushing force by the tensioning mechanism and is used for tensioning the reel chain.
5. The sunflower harvesting header of claim 4, wherein,
The rotating shafts of the reel wheels on the frame are parallel to each other;
The plane of the front support piece where the reel chain is located has a preset included angle with the plane of the frame where the reel chain is located;
the preset included angle is 5-25 degrees.
6. The sunflower harvesting header of claim 5, wherein,
The inner side of the reel chain on the front support piece gradually approaches the center of the harvesting channel from front to back; the reel chains on two sides of the harvesting channel are symmetrically arranged.
7. The sunflower harvesting header of claim 1, wherein,
When the driving plate member moves above the sunflower disc scion board, the driving plate member is attached to the sunflower disc scion board;
the end of the dial member above the sunflower disc scion board is no more distant from the center line of the harvesting channel than the inner end face of the sunflower disc scion board is distant from the center line of the harvesting channel.
8. The sunflower harvesting header of claim 1, wherein,
The length of the stem pulling section is longer than that of the leading-in section;
The length of the stem pulling section is longer than that of the cutting section.
9. The sunflower harvesting header of claim 8, wherein,
The number of the strip structures is the same as the number of the cutting edges;
the cutting edge is arranged in the extending direction of the strip structure and is positioned on the same plane with the strip structure;
The front end of the blade is connected with the rear end of the strip structure.
10. The sunflower harvesting header of claim 1, further comprising: grass picking knife;
the grass-removing knife is fixedly arranged on the frame and positioned at one side of the stalk rolls and used for removing weeds wound on the stalk rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980806.4A CN110574544B (en) | 2019-10-16 | 2019-10-16 | Sunflower harvesting header |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980806.4A CN110574544B (en) | 2019-10-16 | 2019-10-16 | Sunflower harvesting header |
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| Publication Number | Publication Date |
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| CN110574544A CN110574544A (en) | 2019-12-17 |
| CN110574544B true CN110574544B (en) | 2024-05-07 |
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| CN201910980806.4A Active CN110574544B (en) | 2019-10-16 | 2019-10-16 | Sunflower harvesting header |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112369199A (en) * | 2020-11-20 | 2021-02-19 | 济宁德尚源机械设备有限公司 | Sunflower harvesting header device |
| CN113439536B (en) * | 2021-08-20 | 2024-05-07 | 范青安 | Sunflower disc inserting machine |
| EP4316234A3 (en) | 2021-12-29 | 2024-05-01 | Cretes NV | Harvesting machine for cutting or pulling out plant stems, method for cutting or pulling out plant stems and use for cutting or pulling out hemp |
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