阅读说明：本技术 一种用于谷物联合收获机的疏导式割台 (Dredging header for grain combine harvester ) 是由 李源湘 胡华锋 石永康 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种用于谷物联合收获机的疏导式割台,切割器连接在底板的前端,且切割器的刀面平行底板；疏导装置叠装在切割器的上端面,并与底板平行,且疏导装置的前端延伸至切割器前端的前方；分禾板为两个,一一对应固定在两个侧板上,同时两个分禾板一一对应限位于疏导装置的两侧,且疏导装置和两个分禾板形成疏导区间；拨禾轮分别安装在两个侧板上,并位于疏导区间与收割区间之间位置的上方。本发明公开了一种用于谷物联合收获机的疏导式割台,在收割植株的过程中,可以先将杂乱的植株杂乱的分枝疏理为线形束状后,再将植株切断,从而提高收割效率以及降低油菜籽的损失率。(The invention discloses a dredging type header for a grain combine harvester.A cutter is connected at the front end of a base plate, and the cutter surface of the cutter is parallel to the base plate; the dredging device is stacked on the upper end surface of the cutter and is parallel to the bottom plate, and the front end of the dredging device extends to the front of the front end of the cutter; the two seedling dividing plates are fixed on the two side plates in a one-to-one correspondence manner, the two seedling dividing plates are limited on two sides of the dredging device in a one-to-one correspondence manner, and the dredging device and the two seedling dividing plates form a dredging interval; the reel wheels are respectively arranged on the two side plates and are positioned above the position between the dredging area and the harvesting area. The invention discloses a leading type header for a grain combine harvester, which can firstly lead the mixed and disorderly branches of the mixed and disorderly plants to be in a linear bundle shape and then cut off the plants in the process of harvesting the plants, thereby improving the harvesting efficiency and reducing the loss rate of rapeseeds.)

1. A persuasive header for a grain combine having a drive mechanism, the persuasive header for a grain combine comprising: bottom plate (1), and fix back wallboard (2) and two curb plates (3) on bottom plate (1), simultaneously back wallboard (2) are fixed two respectively curb plate (3), just bottom plate (1) back wallboard (2) and two curb plate (3) enclose to establish and form and reap the interval, it has auger (4) to reap the interval, the both ends one-to-one of auger (4) rotates to be connected two on curb plate (3), just auger (4) are connected through a drive mechanism, its characterized in that still includes:

a cutter (5), wherein the cutter (5) is connected to the front end of the bottom plate (1), and the knife face of the cutter (5) is parallel to the bottom plate (1);

the dredging device (6) is stacked on the upper end face of the cutter (5) and is parallel to the bottom plate (1), and the front end of the dredging device (6) extends to the front of the front end of the cutter (5);

the two seedling dividing plates (7) are correspondingly fixed on the two side plates (3) one by one, the two seedling dividing plates (7) are correspondingly limited on two sides of the dredging device (6) one by one, and the dredging device (6) and the two seedling dividing plates (7) form a dredging interval;

and the reel wheels (8) are respectively arranged on the two side plates (3) and are positioned above the position between the dredging area and the harvesting area.

2. The canalizing header for a grain combine harvester according to claim 1, wherein the cutter (5) comprises:

the cutting edge protection seats (51) are multiple, the cutting edge protection seats (51) are fixed at the front end of the bottom plate (1) at intervals along the width direction of the bottom plate (1), slide ways (510) penetrate through each cutting edge protection seat (51) along the width direction of the bottom plate (1), and installation openings (500) penetrate through the rear end of each slide way (510);

a guide channel (52), wherein the guide channel (52) is fixed on the plurality of blade protecting seats (51), and the length of the guide channel (52) extends along the width direction of the bottom plate (1);

one end of the guide rail (53) is connected with the driving mechanism through a second transmission mechanism, the guide rail (53) is connected to the guide channel (52) in a sliding mode, a blade mounting bar (531) is fixed to the guide rail (53), and the length of the blade mounting bar (531) extends along the width direction of the bottom plate (1);

the cutting blades (54), the cutting blades (54) are multiple, all fix on the blade mounting bar (531), and distribute along the length direction of the blade mounting bar (531), and a plurality of cutting blades (54) one-to-one are located in the slide (510) that corresponds through a plurality of installing openings (500), and the cutting edge of each cutting blade (54) is located outside the slide (510) that corresponds through the crossing that corresponds to the slide (510), and a plurality of cutting blades (54) one-to-one can be along the direction reciprocating motion of bottom plate (1) width in the slide (510).

3. The header of claim 2, characterized in that the cutting blades (54) are triangular, one side of each cutting blade (54) is continuously fixed on the blade mounting bar (531) along the length direction of the blade mounting bar (531), the other two sides of each cutting blade (54) are symmetrical and are both edges, two edges of each cutting blade (54) form a tip end which is positioned in the corresponding slideway (510), two edges of each cutting blade (54) are positioned on two sides outside the corresponding slideway (510) in a one-to-one correspondence through two crossing ports corresponding to the slideways (510), and adjacent edges of two adjacent cutting blades (54) are butted to form a cutting port (540).

4. A canalizing header for a grain combine harvester according to claim 3, characterized in that the canalizing means (6) comprise:

a tooth holder (61), wherein the tooth holder (61) is long and is fixed on the upper end surfaces of the plurality of blade protecting seats (51), and the length of the tooth holder (61) extends along the width direction of the bottom plate (1);

the comb rack (62), comb rack (62) have a plurality ofly, all be parallel to bottom plate (1), the rear end of every comb rack (62) is fixed on toothholder (61), the front end extends to the place ahead of guard blade seat (51) front end, and is a plurality of comb rack (62) follow the length direction interval distribution of toothholder (61), and with a plurality of cutting blade (54)'s position one-to-one, every two adjacent comb rack (62) all are formed with between the tooth jian liang (620), a plurality of tooth jian liang (620) and a plurality of the position one-to-one of cutting mouth (540).

5. The header of claim 4, wherein the front end of the comb rack (62) is pointed.

6. The header of claim 4, wherein the comb rack (62) is flat, triangular, slotted or "T" shaped in cross-section.

7. A canalizing header for a grain combine harvester according to claim 4, characterized in that the comb teeth (62) at both ends of the tooth holder (61) are close to the dividing plate (7) in the corresponding direction.

8. The persuasive header for a grain combine according to claim 4, further comprising: the rear enclosing plate (11) is fixed on the rear wall plate (2) and is respectively connected with the two seedling dividing plates (7).

9. The persuasive header for a grain combine according to claim 1, further comprising:

two supporting rods (9), wherein one end of each supporting rod (9) is fixed at the two opposite ends of the reel (8) in a one-to-one correspondence manner, and the other end of each supporting rod (9) is hinged to the two side plates (3) in a one-to-one correspondence manner;

the two lifting devices (10) are fixed on the two side plates (3) in a one-to-one correspondence mode, and the two lifting devices (10) are connected with the two supporting rods (9) in a one-to-one correspondence mode.

Technical Field

The invention relates to the technical field of harvesting headers, in particular to a dredging type header for a grain combine harvester.

Background

Rape plants are tall and big, stems are thick and strong, branches are numerous, the branches are mutually wound and staggered, pods of mature siliques are easy to explode, the rape combined harvesting technology difficulty is large due to the unique biological characteristics of the rape plants, the domestic rape combined harvesting is mostly formed by harvesting through a traditional grain combined harvester or refitting on the basis of the traditional grain combined harvester at present, and the rape combined harvesting machine mainly achieves the functions of harvesting, threshing, cleaning and the like.

However, the traditional header directly cuts plant stalks through a cutter at the front end of the header, the stalks wound and pulled together cannot be effectively separated, the plant stalks cannot be effectively cut, the harvesting efficiency is low, meanwhile, rape branches are pulled mechanically, falling grain loss and pod explosion loss are easily caused, the header can be blocked by the rape stalks pulled up by the roots, and the harvesting interval in the prior art is shallow, so that rapeseeds are easy to splash and bounce out, and the loss rate of the rapeseeds is high.

Therefore, how to provide a dredging type header for a grain combine harvester, which can improve the harvesting efficiency and reduce the loss rate of rapeseeds, is a technical problem to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides a leading header for a grain combine harvester, which can cut off a disordered plant after disorganized branches of the disordered plant are dredged into linear bundles in the process of harvesting the plant, thereby improving the harvesting efficiency and reducing the loss rate of rapeseeds.

In order to achieve the purpose, the invention adopts the following technical scheme:

a persuasive header for a grain combine having a drive mechanism, the persuasive header for a grain combine comprising: the bottom plate, and fix back wallboard and two curb plates on the bottom plate, simultaneously back wallboard is fixed two respectively the curb plate, just the bottom plate back wallboard and two the curb plate encloses to establish and forms and reaps the interval, it has the auger to reap in the interval, the both ends one-to-one of auger rotates to be connected two on the curb plate, just the auger passes through a drive mechanism and connects actuating mechanism still includes:

the cutter is connected to the front end of the bottom plate, and the knife face of the cutter is parallel to the bottom plate;

the dredging device is stacked on the upper end surface of the cutter and is parallel to the bottom plate, and the front end of the dredging device extends to the front of the front end of the cutter;

the two seedling dividing plates are fixed on the two side plates in a one-to-one correspondence manner, the two seedling dividing plates are limited on two sides of the dredging device in a one-to-one correspondence manner, and the dredging device and the two seedling dividing plates form a dredging interval;

and the reel wheels are respectively arranged on the two side plates and are positioned above the position between the dredging area and the harvesting area.

Preferably, the cutter includes:

the blade protection seats are multiple and are fixed at the front end of the bottom plate at intervals along the width direction of the bottom plate, a slideway penetrates through each blade protection seat along the width direction of the bottom plate, and a mounting opening penetrates through the rear end of each slideway;

the guide channel is fixed on the blade protecting seats, and the length of the guide channel extends along the width direction of the bottom plate;

one end of the guide rail is connected with the driving mechanism through a second transmission mechanism, the guide rail is connected to the guide channel in a sliding mode, meanwhile, a blade mounting strip is fixed to the guide rail, and the length of the blade mounting strip extends along the width direction of the bottom plate;

cutting blade, cutting blade is a plurality of, all fixes on the blade mounting bar, and follows the length direction of blade mounting bar distributes, and is a plurality of simultaneously cutting blade one-to-one is located the correspondence through a plurality of installing ports in the slide, and every cutting blade's cutting edge is through corresponding the crossing of slide is located the correspondence outside the slide, and is a plurality of cutting blade one-to-one is in a plurality of can follow in the slide the direction reciprocating motion of bottom plate width.

Preferably, the cutting blade is triangular, one edge of each of the cutting blades is continuously fixed on the blade mounting bar along the length direction of the blade mounting bar, the other two edges of each of the cutting blades are symmetrical and are cutting edges, the tips formed by the two cutting edges of each of the cutting blades are located in the corresponding slideways, the two cutting edges of each of the cutting blades are located on the two sides outside the corresponding slideways through the two crossing corresponding to the slideways in a one-to-one correspondence manner, and the adjacent cutting edges of the two adjacent cutting blades are butted to form a cutting opening.

Preferably, the dredging device comprises:

the tooth holder is in a long strip shape and is fixed on the upper end faces of the blade protecting seats, and the length of the tooth holder extends along the width direction of the bottom plate;

the comb rack is provided with a plurality of comb racks which are parallel to the bottom plate, the rear end of each comb rack is fixed on the tooth holder, the front end of each comb rack extends to the front end of the blade protecting seat, the comb racks are distributed at intervals along the length direction of the tooth holder and are in one-to-one correspondence with the positions of the cutting blades, a tooth edge is formed between every two adjacent comb racks, and the teeth are in one-to-one correspondence with the positions of the cutting openings.

Preferably, the front end of the comb rack is a tip.

Preferably, the section of the comb rack is flat, triangular, groove-shaped or T-shaped.

Preferably, the comb racks at the two ends of the tooth holder are close to the seedling dividing plates in the corresponding direction.

Preferably, the method further comprises the following steps: and the rear enclosing plate is fixed on the rear wall plate and is respectively connected with the two seedling dividing plates.

Preferably, the method further comprises the following steps:

two supporting rods are arranged, one ends of the two supporting rods are correspondingly fixed at two opposite ends of the reel one by one, and the other ends of the two supporting rods are correspondingly hinged on the two side plates one by one;

the two lifting devices are fixed on the two side plates in a one-to-one correspondence mode, and the two lifting devices are connected with the two supporting rods in a one-to-one correspondence mode.

Through the technical scheme, compared with the prior art, the dredging type header for the grain combine harvester is disclosed and provided, and the following technical effects can be realized:

1. aiming at the characteristics that the rape branches are thick and tall and the branches are disordered, the rape is harvested by a unique combing and separating mode, so that the collision to the rape is reduced, the harvesting efficiency is improved, the problem of seed falling is reduced, and the loss of the rape seeds is reduced;

2. the invention aims at the characteristics of thick and strong rape branches and disordered branches, reverses the thinking, and combs the disordered branches of the rape into linear bundles, so that the branches of plants are not wound and staggered in the harvesting process, conforms to the biological characteristics of the rape, and solves the technical problem of difficulty in harvesting the rape in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a perspective view of a canalizing header for a grain combine according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a top view of a ducted header for a grain combine according to the present invention;

fig. 4 is an enlarged view of the structure at B in fig. 3.

Wherein, 1-a bottom plate; 2-rear wall panel; 3-side plate; 4-a packing auger; 5-a cutter; 6-dredging device; 7-dividing straw board; 8-reel; 51-a blade protecting seat; 510-a slide; 500-mounting port; 52-a guide way; 53-a guide rail; 531-blade mounting bar; 54-a cutting blade; 540-cutting openings; 61-tooth holder; 62-comb rack; 620-root of mountain; 11-a back panel; 9-a support bar; 10-lifting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms of orientation, such as "front" and "rear", as used herein, are defined as the direction of travel of the combine, i.e., each structure is "front" near the front of the combine and "rear" near the rear of the combine.

The term of orientation, such as "up" in the present invention is common knowledge in the art in the normal operation of the grain combine, i.e., the position farther from the ground is the "up".

The embodiment of the invention discloses a dredging type header for a grain combine harvester, which is provided with a driving mechanism and comprises the following components: bottom plate 1 to and fix back wallboard 2 and two curb plates 3 on bottom plate 1, two curb plates 3 are fixed respectively to back wallboard 2 simultaneously, and bottom plate 1, back wallboard 2 and two curb plates 3 enclose to establish and form and reap the interval, reap and have auger 4 in the interval, auger 4's both ends one-to-one rotates to be connected on two curb plates 3, and auger 4 connects actuating mechanism through a drive mechanism, still includes:

the cutter 5 is connected to the front end of the bottom plate 1, and the knife face of the cutter 5 is parallel to the bottom plate 1;

the dredging device 6 is stacked on the upper end surface of the cutter 5 and is parallel to the bottom plate 1, and the front end of the dredging device 6 extends to the front of the front end of the cutter 5;

the two seedling dividing plates 7 are fixed on the two side plates 3 in a one-to-one correspondence manner, the two seedling dividing plates 7 are limited on two sides of the dredging device 6 in a one-to-one correspondence manner, and the dredging device 6 and the two seedling dividing plates 7 form a dredging interval;

reel 8, reel 8 install respectively on two curb plates 3 to be located between dredging the interval and reaping the interval the top of position.

The invention can comb the disorderly scattered branches into bundles through the dredging device 6, separate and separate plants inside and outside the dredging area through the dividing plate 7, cut the plants which are arranged into bundles by the cutter 5 in the advancing process of the invention, and push the cut plants from the dredging area to the harvesting area through the reel 8. The invention combs the disorderly plant (the stout stem and a plurality of branches thereof) into bundles and then cuts the plant, and the dividing plate 7 assists to separate the plant inside and outside the dredging interval, so the feeding amount and the feeding efficiency of the plant can be improved, and the impact on the plant before cutting the plant can be reduced, thereby the number of dropped rapeseeds can be reduced, and the dividing plate 7 of the invention is fixed on the corresponding side plate 3, so the dredging interval formed by the dredging device 6 and the two dividing plates 7 is deeper, and the two dividing plates 7 are correspondingly limited on two sides of the dredging device 6 one by one, thereby the invention can reduce the spilled dredging interval of rapeseeds in the harvesting process, thereby the number of rapeseeds entering the harvesting interval of the invention is improved, and the loss rate of the rapeseeds is reduced.

In order to further optimize the above solution, the cutter 5 comprises:

a plurality of blade protection seats 51 are arranged, the blade protection seats 51 are uniformly fixed at the front end of the bottom plate 1 at intervals along the width direction of the bottom plate 1, a slideway 510 penetrates through each blade protection seat 51 along the width direction of the bottom plate 1, and a mounting opening 500 penetrates through the rear end of each slideway 510;

a guide passage 52, wherein the guide passage 52 is fixed on the plurality of blade protection seats 51, and the length of the guide passage 52 extends along the width direction of the bottom plate 1;

one end of the guide rail 53 is connected with the driving mechanism through a second transmission mechanism, the guide rail 53 is connected to the guide channel 52 in a sliding manner, a blade mounting bar 531 is fixed on the guide rail 53, and the length of the blade mounting bar 531 extends along the width direction of the bottom plate 1;

the cutting blades 54, the plurality of cutting blades 54 are fixed on the blade mounting bar 531 and distributed along the length direction of the blade mounting bar 531, meanwhile, the plurality of cutting blades 54 are positioned in the corresponding slideways 510 through the plurality of mounting openings 500 in a one-to-one correspondence, the edge of each cutting blade 54 is positioned outside the corresponding slideway 510 through the opening of the corresponding slideway 510, and the plurality of cutting blades 54 are capable of reciprocating in the width direction of the bottom plate 1 in the plurality of slideways 510 in a one-to-one correspondence.

By adopting the technical scheme, the invention has the beneficial effects that: the driving mechanism drives the guide rail 53 to reciprocate along the width direction of the base plate 1 relative to the guide channel 52 through the second transmission mechanism, so that the blade mounting bar 531 drives the cutting blades 54 to reciprocate along the width direction of the base plate 1 in the slide ways 510 in a one-to-one correspondence manner, and the effect of cutting plants can be realized;

meanwhile, the cutting blade 54 is protected by the blade protecting seat 51, and the service life of the cutting blade 54 is prolonged.

In order to further optimize the above technical solution, the cutting blades 54 are triangular, one side of each of the cutting blades 54 is continuously fixed on the blade mounting bar 531 along the length direction of the blade mounting bar 531, the other two sides of each of the cutting blades 54 are symmetrical and are each a blade edge, the tip formed by two blade edges of each of the cutting blades 54 is located in the corresponding slideway 510, the two blade edges of each of the cutting blades 54 are located on two sides outside the corresponding slideway 510 through two crossing points of the corresponding slideway 510 in a one-to-one correspondence manner, and the adjacent blade edges of two adjacent cutting blades 54 are butted to form the cutting opening 540.

By adopting the technical scheme, the invention has the beneficial effects that: the two symmetrical edges of the cutting blades 54 are both cutting edges, and the adjacent cutting edges of two adjacent cutting blades 54 are butted to form the cutting opening 540, so that the cutting efficiency of the invention can be improved, and the two cutting edges of the cutting blades 54 are correspondingly positioned on the two sides outside the corresponding slideways 510 through the two crossings of the corresponding slideways 510 one by one, and the normal cutting is not influenced.

In order to further optimize the above technical solution, the canalizing means 6 comprises:

a tooth holder 61, wherein the tooth holder 61 is long and is fixed on the upper end surfaces of the plurality of blade protecting seats 51, and the length of the tooth holder 61 extends along the width direction of the bottom plate 1;

comb rack 62, comb rack 62 has a plurality ofly, all parallel bottom plate 1, and the rear end of every comb rack 62 is fixed on toothholder 61, and the front end extends to the place ahead of protecting the place ahead of sword seat 51 front end, and a plurality of comb rack 62 along the length direction interval distribution of toothholder 61 to with a plurality of cutting blade 54's position one-to-one, all be formed with between every two adjacent comb rack 62 simultaneously and become 620, a plurality of tooth rank 620 and a plurality of cutting opening 540's position one-to-one.

By adopting the technical scheme, the invention has the beneficial effects that: in the advancing process of the invention, a plurality of comb racks 62 can be inserted into a plant cluster along the trend, the disordered plant is combed and bunched and inserted into a plurality of tooth bodies 620, and in the combing process, the bunched plant blocks the plurality of tooth bodies 620, so that the dropping quantity of rapeseeds can be reduced, the loss rate of the rapeseeds is reduced, and simultaneously, because the plurality of tooth bodies 620 correspond to the plurality of cutting openings 540 one by one, the cutting edges of the two cutting blades 54 corresponding to each cutting opening 540 can cut the bunched plant stalks in the advancing process of the invention.

In order to further optimize the above technical solution, the front end of the comb-teeth bar 62 is a tip.

By adopting the technical scheme, the invention has the beneficial effects that: because the contact surface of the tip of the comb rack 62 is less, the stem can naturally deflect after firstly touching the tip of the comb rack 62, so that the stem can be shunted and guided into the teeth 620 along the inclined surface of the tip of the comb rack 62, the staggered branches are also guided into the teeth 620 along the stem, the scattered branches are embedded and clamped into a bundle due to the narrow width of the teeth 620, the bundled plants gradually move towards the cutter 5 along the teeth 620 along the advancing of the whole machine, and are cut off when touching the cutting edge of the cutting blade 54, and the normal harvesting link is entered.

In order to further optimize the above technical solution, the cross section of the comb teeth bars 62 is flat, triangular, groove-shaped or "T" shaped.

In order to further optimize the above technical solution, the comb-teeth bars 62 located at both ends of the tooth holder 61 are close to the dividing plate 7 in the corresponding direction.

By adopting the technical scheme, the invention has the beneficial effects that: the rape seeds are prevented from splashing out of the dredging interval through the dividing plate 7, so that the loss of the rape seeds is reduced, and the dividing plate 7 and the dredging device 6 are prevented from influencing the normal work of each other.

In order to further optimize the above technical solution, the method further comprises: and the rear coaming 11 is fixed on the rear wall plate 2 and is respectively connected with the two seedling dividing plates 7.

By adopting the technical scheme, the invention has the beneficial effects that: the depth of the harvesting area is increased, so that the rapeseeds can be prevented from splashing out of the harvesting area, and the loss amount of the rapeseeds is further reduced.

In order to further optimize the above technical solution, the method further comprises:

two supporting rods 9 are provided, one end of each supporting rod 9 is fixed at the two opposite ends of the reel 8 in a one-to-one correspondence manner, and the other end of each supporting rod 9 is hinged on the two side plates 3 in a one-to-one correspondence manner;

the two lifting devices 10 are fixed on the two side plates 3 in a one-to-one correspondence manner, and the two lifting devices 10 are connected with the two support rods 9 in a one-to-one correspondence manner.

By adopting the technical scheme, the invention has the beneficial effects that: the lifting device 10 can adjust the distance between the reel 8 and the dredging device 6 through the supporting rod 9, so that the effective feeding amount can be improved, the reel 8 can be ensured to orderly push the rape stem backwards and downwards in the dredging interval and the harvesting interval at the same time, the phenomenon of strong twisting and pulling is avoided, the splashing of rapeseeds is effectively reduced, and the loss rate of the rapeseeds is reduced.

In order to further optimize the technical scheme, an output port is formed in the rear wall plate 2.

By adopting the technical scheme, the invention has the beneficial effects that: and outputting the harvested plants through an output port.

To further optimize the above solution, the cutting blade 54 is integrally connected with the blade mounting bar 531.

By adopting the technical scheme, the invention has the beneficial effects that: the service life of the cutter 5 is improved.

In order to further optimize the technical scheme, two adjacent blade protection seats 51 are integrally connected.

By adopting the technical scheme, the invention has the beneficial effects that: the strength of the cutter 5 is improved, thereby improving the service life of the cutter 5.

Example 1:

the embodiment of the invention discloses a dredging type header for a grain combine harvester, which has the following working principle:

in the advancing process of the grain combine harvester, a plurality of comb racks 62 can be inserted into a plant cluster along the same way, the tips of the comb racks 62 firstly contact with stems of plants, the stems naturally incline after contacting the tips of the comb racks 62, so that the stems can be shunted and guided into the tooth-shaped members 620 along the inclined planes of the tips of the comb racks 62, staggered branches are also guided into the tooth-shaped members 620 along the stems, scattered branches are embedded and clamped into a cluster due to the narrow width of the tooth-shaped members 620, and meanwhile, plants inside and outside a dredging area are separated and separated by the seedling dividing plates 7;

with the forward movement of the whole machine, the bundled plants gradually move towards the cutter 5 along the tooth members 620, and because the positions of the tooth members 620 and the cutting openings 540 are in one-to-one correspondence, in the advancing process, the blades of the two cutting blades 54 corresponding to each cutting opening 540 can cut the stalks of the bundled plants, and meanwhile, the reel 8 pushes the cut plants from the dredging area to the harvesting area, so that the harvesting effect is completed.

Plants entering the harvesting area can be output to a threshing mechanism (the structure of the threshing mechanism and the connection relationship between the threshing mechanism and the dredging type header for the grain combine harvester are the prior art and are not described herein again) through an output port on the rear wall plate 2 by the auger 4.

The driving mechanism (which may be a diesel engine), the first transmission mechanism (which may be a gear transmission mechanism, a belt transmission mechanism, etc.), the second transmission mechanism (which may be a link transmission mechanism, a cam transmission mechanism, or a combination of the two), and the connection relationship thereof in the present invention are all the prior art, and are not described herein again.

The structure of the reel 8 in the invention is prior art and will not be described again.

The invention can not only harvest rape, but also harvest other plants with similar growth characteristics to rape.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.