CN210226241U - Adjustable harvester of ratoon rice - Google Patents

Abstract

The utility model provides an adjustable harvester of ratoon rice, relate to the agricultural machine field, this adjustable harvester of ratoon rice includes the harvester body, the header, first mechanism of reaping, the second reaps mechanism and skew mechanism, the header sets up the front end at the harvester body, skew mechanism sets up on the header, first mechanism and the second of reaping reaps the mechanism and all is connected with skew mechanism, the first width of reaping that reaps of mechanism is greater than the second and reaps the width of reaping of mechanism, and first mechanism and the second of reaping can rotate relative to the header under the drive of skew mechanism, so that one of them of mechanism and the second of reaping of first mechanism is located the place ahead of header, another is located the top of header. Compared with the prior art, the utility model provides a pair of adjustable harvester of ratoon rice can reap the motion regulation of mechanism through first reaping mechanism and second and reap the width, improves the adaptability of harvester, and then improves and reaps efficiency.

Description

Adjustable harvester of ratoon rice

Technical Field

The utility model relates to the field of agricultural machinery, particularly, relate to an adjustable harvester of ratoon rice.

Background

The harvester is a machine for integrally harvesting crops. The harvesting and threshing are completed at one time, grains are collected to a storage bin, and then the grains are conveyed to a transport vehicle through a conveying belt. Or manually reaping, laying straws of crops such as rice, wheat and the like in the field, and then picking up and threshing by using a grain harvesting machine. Harvesting machines for harvesting grain and straw crops such as rice and wheat include harvesters, windrowers, balers, grain combines and grain threshers.

The harvesting machine of the regenerated rice is also an important item, and the regenerated rice is characterized in that after the rice in one season is mature, only the upper 2/3 part of the rice plant is cut off, the rice ear is harvested, the lower 1/3 plant and the root system are left, and the rice is fertilized and cultivated to grow the rice in one season again. The inventor researches and discovers that the current harvesting machine for harvesting the ratooned rice is very heavy, the harvesting width of the header can not be adjusted, so that the ratooned rice can only be harvested with fixed width, the harvesting width can not be adjusted in a targeted manner for rice fields with different ridge intervals, and the harvesting efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable harvester of ratoon rice, can adjust and reap the width, improve the adaptability of harvester, and then improve and reap efficiency.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

The utility model provides an adjustable harvester of ratoon rice, including the harvester body, the header, first harvesting mechanism, the second is reaped mechanism and skew mechanism, the header sets up the front end at the harvester body, skew mechanism sets up on the header, first harvesting mechanism and second are reaped the mechanism and all are connected with skew mechanism, the width of reaping that the first harvesting mechanism was reaped the mechanism is greater than the second and reaps the width of reaping that the mechanism, and first harvesting mechanism and second reap the mechanism and can rotate relative to the header under the drive of skew mechanism, so that one of them of first harvesting mechanism and second reap the mechanism is located the place ahead of header, another is located the top of header.

In the preferred embodiment of the present invention, the shifting mechanism includes a shifting rotating frame and a shifting driving member, the shifting rotating frame is rotatably disposed on the harvesting platform, the first harvesting mechanism and the second harvesting mechanism are both connected to the shifting rotating frame and are respectively disposed on two sides of the shifting rotating frame, the shifting driving member is disposed on the harvesting platform and is connected to the shifting rotating frame in a transmission manner, and the shifting rotating frame is used for driving the first harvesting mechanism or the second harvesting mechanism to rotate to the front of the harvesting platform.

The utility model discloses in the embodiment of the preferred, the skew revolves the frame and includes rotation axis, two first cantilevers and two second cantilevers, the rotation axis rotates to set up on the header and is connected with the transmission of skew driving piece, two first cantilevers set up respectively at the both ends of rotation axis, two second cantilevers set up respectively at the both ends of rotation axis, and two first cantilevers and two second cantilevers set up back on the back respectively, the first both ends of reaping the mechanism rotate with two first cantilevers respectively and are connected, the second reaps the both ends of mechanism and rotates with two second cantilevers respectively and be connected.

In a preferred embodiment of the present invention, the offset mechanism further includes an offset limiting member disposed on the header for performing one-way limiting on the offset rotating frame.

The utility model discloses in the embodiment of preferred, the skew locating part is including fixed ear, spacing axle, stopper and backstop piece, fixed ear is fixed to be set up on the inner wall of header, spacing axle sets up on fixed ear, and spacing epaxial cover is equipped with the torsional spring, the stopper rotates with spacing axle to be connected for support and hold on skew mechanism, the torsional spring is supported respectively and is held on the bottom of stopper and fixed ear, the backstop piece sets up in one side of stopper, be used for supporting and hold on the inner wall of header, so that the stopper is for header unidirectional rotating.

In the preferred embodiment of the present invention, the first harvesting mechanism includes a first driving member, a first harvesting shaft and a first harvesting blade, the first harvesting blade is disposed on the first harvesting shaft, the first harvesting shaft is rotatably connected to the offset mechanism, the first driving member is connected to the offset mechanism and is in transmission connection with the first harvesting shaft for driving the first harvesting shaft to rotate, and the first harvesting blade is wider than the second harvesting mechanism in the same direction along the extending direction of the first harvesting shaft.

In the preferred embodiment of the present invention, the second harvesting mechanism includes a second driving member, a second harvesting shaft and a second harvesting blade, the second harvesting blade is disposed on the second harvesting shaft, the second harvesting shaft is rotatably connected to the offset mechanism and is parallel to the first harvesting shaft, the second driving member is connected to the offset mechanism and is driven by the second harvesting shaft for driving the second harvesting shaft to rotate, and the second harvesting blade is smaller than the first harvesting blade along the width of the second harvesting shaft in the extending direction.

In a preferred embodiment of the present invention, the first harvesting tip and the second harvesting tip have the same diameter of rotation.

In the preferred embodiment of the present invention, the second harvesting blade is disposed at the middle of the second harvesting shaft, and the second harvesting shaft is further provided with two baffles, which are disposed at two ends of the second harvesting blade respectively.

In the preferred embodiment of the utility model, the harvester body is further provided with a threshing mechanism, the threshing mechanism is provided with a threshing channel, and the threshing channel is communicated with the header.

The utility model discloses following beneficial effect has:

the utility model provides a pair of adjustable harvester of ratoon rice sets up the front end at the harvester body with the header, and skew mechanism sets up on the header, and first mechanism and the second of reaping reaps the mechanism and all is connected with skew mechanism, and first mechanism and the second of reaping reaps the mechanism and can rotate at the relative header under the drive of skew mechanism. When the harvesting width is required to be narrow, the offset mechanism is started to drive the first harvesting mechanism and the second harvesting mechanism to move, so that the first harvesting mechanism is positioned above the harvesting platform, the second harvesting mechanism is positioned in front of the harvesting platform, and the regenerated rice can be harvested in a narrow range due to the narrow harvesting width of the second harvesting mechanism; when the width of reaping of needs broad, start skew mechanism, drive first harvesting mechanism and the motion of second harvesting mechanism for the second harvesting mechanism is located the top of header, and first harvesting mechanism is located the place ahead of header, because the width of reaping of first harvesting mechanism is broad, can reap the regeneration rice at the within range of broad. Compared with the prior art, the utility model provides a pair of adjustable harvester of ratoon rice can reap the motion regulation of mechanism through first reaping mechanism and second and reap the width, improves the adaptability of harvester, and then improves and reaps efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.

Fig. 1 is a schematic view of an overall structure of an adjustable ratoon rice harvester provided in a first embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic view of a partial structure of an adjustable harvester for ratooning rice according to a first embodiment of the present invention;

FIG. 3 is a schematic view of the offset limiting member shown in FIG. 2;

fig. 4 is a schematic view of the whole structure of the adjustable harvester for ratoon rice provided by the first embodiment of the present invention at the second viewing angle.

Icon: 1-an adjustable harvester for ratoon rice; 11-a harvester body; 12-a harvesting platform; 13-a first harvesting mechanism; 131-a first drive member; 132-a first harvesting axis; 133-first harvesting blade; 14-a second harvesting mechanism; 141-a second drive member; 142-a second harvesting axis; 143-second harvesting blade; 15-a biasing mechanism; 151-offset swivel; 1511-rotating shaft; 1512-a first cantilever; 1513-second cantilever; 1514-ring; 152-an offset driver; 153-offset limiters; 1531-fixing ears; 1532-a restraining shaft; 1533-a stop block; 1534-a stop block; 16-a threshing mechanism; 161-threshing containing cylinder; 163-threshing rotary cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Examples

Just as say in the background art, when carrying out the large tracts of land of ratoon rice and reaping, owing to be subject to different rice growers or because of the limit of the actual geographical condition in paddy field, the ridge interval in different paddy fields often is different, and traditional harvester can only reap with fixed width, can't adapt to the paddy field of different width, leads to unable piecemeal harvesting, and then influences and reaps efficiency.

Referring to fig. 1 to 4 in combination, the present embodiment provides an adjustable harvester 1 for ratooned rice, which can adjust the harvesting width and is suitable for harvesting ratooned rice with different ridge distances in different rice fields. Meanwhile, by adjusting the harvesting width, the regenerated rice can be harvested completely to the greatest extent, final residual cleaning is avoided, and the harvesting efficiency is improved.

The adjustable harvester 1 of ratoon rice that this embodiment provided, including harvester body 11, header 12, first harvesting mechanism 13, second harvesting mechanism 14 and skew mechanism 15, header 12 sets up the front end at harvester body 11, skew mechanism 15 sets up on header 12, first harvesting mechanism 13 and second harvesting mechanism 14 all are connected with skew mechanism 15, the width of reaping of first harvesting mechanism 13 is greater than the width of reaping of second harvesting mechanism 14, and first harvesting mechanism 13 and second harvesting mechanism 14 can rotate relative header 12 under the drive of skew mechanism 15, so that one of them of first harvesting mechanism 13 and second harvesting mechanism 14 is located the place ahead of header 12, another is located the top of header 12.

It should be noted that the first harvesting mechanism 13 and the second harvesting mechanism 14 in this embodiment have similar structures, and the harvesting principle is the same, and the only difference is the harvesting width. Specifically, the harvesting width of the second harvesting mechanism 14 is 2/3 of the harvesting width of the first harvesting mechanism 13, and the first harvesting mechanism 13 and the second harvesting mechanism 14 are switched by the offset mechanism 15 to the front of the harvesting table 12 so that they can harvest at different harvesting widths.

In other preferred embodiments of the present invention, a third harvesting mechanism is further included, which is also connected to the shifting mechanism 15 and can be driven by the shifting mechanism 15 to move to the front of the harvesting platform 12. The third harvesting mechanism is similar in structure to the first harvesting mechanism 13 in that the harvesting principle is the same, the only difference being the harvesting width. Specifically, the harvesting width of the third harvesting mechanism is 1/3 the harvesting width of the first harvesting mechanism 13. Of course, only one of the first harvesting mechanism 13, the second harvesting mechanism 14, and the third harvesting mechanism can be moved to the front end of the harvesting header 12.

It should be noted that, when harvesting is actually performed, and when a narrower harvesting width is required, the offset mechanism 15 is started to drive the first harvesting mechanism 13 and the second harvesting mechanism 14 to move, so that the first harvesting mechanism 13 is located above the harvesting platform 12, the second harvesting mechanism 14 is located in front of the harvesting platform 12, and as the harvesting width of the second harvesting mechanism 14 is narrower, the regenerated rice can be harvested in a narrower range; when the wide harvesting width of needs, start off skew mechanism 15, drive first harvesting mechanism 13 and the motion of second harvesting mechanism 14 for second harvesting mechanism 14 is located the top of header 12, and first harvesting mechanism 13 is located the place ahead of header 12, because the width of reaping of first harvesting mechanism 13 is wide, can reap the ratoon rice in the scope of broad.

The offset mechanism 15 includes an offset rotating frame 151, an offset driving member 152 and an offset limiting member 153, the offset rotating frame 151 is rotatably disposed on the header 12, the first harvesting mechanism 13 and the second harvesting mechanism 14 are both connected to the offset rotating frame 151 and respectively disposed on two sides of the offset rotating frame 151, the offset driving member 152 is disposed on the header 12 and is in transmission connection with the offset rotating frame 151, and the offset rotating frame 151 is used for driving the first harvesting mechanism 13 or the second harvesting mechanism 14 to rotate to the front of the header 12. The offset stopper 153 is provided on the header 12, and is configured to perform unidirectional stopper on the offset rotating frame 151.

The offset rotating frame 151 comprises a rotating shaft 1511, two first cantilevers 1512 and two second cantilevers 1513, the rotating shaft 1511 is rotatably disposed on the harvesting platform 12 and is in transmission connection with the offset driving member 152, the two first cantilevers 1512 are disposed at two ends of the rotating shaft 1511 respectively, the two second cantilevers 1513 are disposed at two ends of the rotating shaft 1511 respectively, the two first cantilevers 1512 and the two second cantilevers 1513 are disposed opposite to each other respectively, two ends of the first harvesting mechanism 13 are rotatably connected with the two first cantilevers 1512 respectively, and two ends of the second harvesting mechanism 14 are rotatably connected with the two second cantilevers 1513 respectively.

In this embodiment, the offset rotary frame 151 further includes two rings 1514, and the two rings 1514 are respectively disposed at both ends of the rotating shaft 1511 and surround the rotating shaft 1511. Specifically, the circular ring 1514 is connected to the end of the first boom 1512 and the end of the corresponding second boom 1513, respectively, so that the rigidity of the first boom 1512 and the second boom 1513 is improved, and the supporting function of the first harvesting mechanism 13 and the second harvesting mechanism 14 is ensured.

The offset limiting member 153 includes a fixing lug 1531, a limiting shaft 1532, a limiting block 1533 and a stopping block 1534, the fixing lug 1531 is fixedly disposed on the inner wall of the harvesting platform 12, the limiting shaft 1532 is disposed on the fixing lug 1531, and the limiting shaft 1532 is sleeved with a torsion spring, the limiting block 1533 is rotatably connected to the limiting shaft 1532 and is configured to abut against the offset mechanism 15, the torsion spring abuts against the bottom of the limiting block 1533 and the fixing lug 1531 respectively, the stopping block 1534 is disposed on one side of the limiting block 1533 and is configured to abut against the inner wall of the harvesting platform 12, so that the limiting block 1533 rotates in one direction relative to the harvesting platform 12.

In this embodiment, the securing ears 1531 are welded to the header 12, and the protruding height of the securing ears 1531 relative to the header 12 is less than the distance between the first cantilevers 1512 or the second cantilevers 1513 and the header 12, so that the header 12 does not cause stroke interference to the first cantilevers 1512 or the second cantilevers 1513. In addition, the limiting block 1533 rotates in one direction relative to the harvesting platform 12, and the rotation direction of the limiting block 1533 is opposite to the direction of the force applied to the first harvesting mechanism 13 and the second harvesting mechanism 14 during harvesting, that is, when harvesting is performed, due to the stopping function of the limiting block 1533, the first cantilever 1512 or the second cantilever 1513 can be abutted against the limiting block 1533, so as to counteract the force applied to the first harvesting mechanism 13 or the second harvesting mechanism 14.

In the present embodiment, there are two offset stoppers 153, and the two offset stoppers 153 are respectively disposed at two corresponding inner sides of the header 12 to limit the first suspension 1512 and the second suspension 1513 at two sides.

The first harvesting mechanism 13 includes a first driving member 131, a first harvesting shaft 132 and a first harvesting blade 133, the first harvesting blade 133 is disposed on the first harvesting shaft 132, the first harvesting shaft 132 is rotatably connected with the offset mechanism 15, the first driving member 131 is connected with the offset mechanism 15 and is in transmission connection with the first harvesting shaft 132 for driving the first harvesting shaft 132 to rotate, and the width of the first harvesting blade 133 in the extending direction along the first harvesting shaft 132 is greater than the harvesting width of the second harvesting mechanism 14 in the same direction.

The second harvesting mechanism 14 includes a second driving member 141, a second harvesting shaft 142 and a second harvesting blade 143, the second harvesting blade 143 is disposed on the second harvesting shaft 142, the second harvesting shaft 142 is rotatably connected to the offset mechanism 15 and is disposed parallel to the first harvesting shaft 132, the second driving member is connected to the offset mechanism 15 and is in transmission connection with the second harvesting shaft 142 for driving the second harvesting shaft 142 to rotate, and a width of the second harvesting blade 143 in an extending direction of the second harvesting shaft 142 is smaller than a width of the first harvesting blade 133 in the extending direction of the first harvesting shaft 132.

In the present embodiment, the rotational diameters of the first and second harvesting blades 133 and 143 are the same. Specifically, the first harvesting blade 133 and the second harvesting blade 143 are conventional rice harvesting blades, and the front ends thereof are rotated downward to harvest ears of rice into the harvesting platform 12.

In this embodiment, the second harvesting blade 143 is disposed in the middle of the second harvesting shaft 142, and two baffles are further disposed on the second harvesting shaft 142, and are disposed at two ends of the second harvesting blade 143, respectively.

In the preferred embodiment of the present invention, the harvester body 11 is further provided with a threshing mechanism 16, and the threshing mechanism 16 has a threshing channel, which is communicated with the header 12. Specifically, the threshing mechanism 16 includes a threshing accommodating cylinder 161 and a threshing rotary cylinder 163, the threshing rotary cylinder 163 is disposed in the threshing accommodating cylinder 161, a threshing channel is provided in the threshing accommodating cylinder 161, an upper portion of the threshing channel extends to the header 12, and a plurality of threshing blocks are provided on an outer surface of the threshing rotary cylinder 163. In actual use, the rice ears enter the threshing channel from the header 12 and fall on the threshing cylinder, rice grains on the rice ears can be beaten down through a plurality of threshing blocks on the threshing cylinder to complete threshing, and the bottom of the threshing accommodating cylinder 161 is of a screen structure and can be screened out and sent to the rear for packaging.

In summary, the embodiment provides an adjustable harvester 1 for ratooning rice, a harvesting platform 12 is arranged at the front end of a harvester body 11, an offset mechanism 15 is arranged on the harvesting platform 12, a first harvesting mechanism 13 and a second harvesting mechanism 14 are both connected with the offset mechanism 15, and the first harvesting mechanism 13 and the second harvesting mechanism 14 can be driven by the offset mechanism 15 to rotate relative to the harvesting platform 12. When the harvesting is actually carried out, and when a narrower harvesting width is needed, the offset mechanism 15 is started to drive the first harvesting mechanism 13 and the second harvesting mechanism 14 to move, so that the first harvesting mechanism 13 is positioned above the harvesting platform 12, the second harvesting mechanism 14 is positioned in front of the harvesting platform 12, and as the harvesting width of the second harvesting mechanism 14 is narrower, the regenerated rice can be harvested in a narrower range; when the wide harvesting width of needs, start off skew mechanism 15, drive first harvesting mechanism 13 and the motion of second harvesting mechanism 14 for second harvesting mechanism 14 is located the top of header 12, and first harvesting mechanism 13 is located the place ahead of header 12, because the width of reaping of first harvesting mechanism 13 is wide, can reap the ratoon rice in the scope of broad. Compared with the prior art, the utility model provides a pair of adjustable harvester 1 of ratoon rice can reap the motion regulation of mechanism 14 through first mechanism 13 and the second of reaping and reap the width, improves the adaptability of harvester, and then improves and reaps efficiency.

It is noted that the above detailed description of embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an adjustable harvester of ratoon rice, its characterized in that, includes harvester body, header, first harvesting mechanism, second harvesting mechanism and skew mechanism, the header sets up the front end of harvester body, skew mechanism sets up on the header, first harvesting mechanism with second harvesting mechanism all with skew mechanism connects, the width of reaping of first harvesting mechanism is greater than the width of reaping of second harvesting mechanism, just first harvesting mechanism with second harvesting mechanism can be in relative under the drive of skew mechanism the header rotates, so that first harvesting mechanism with one of them of second harvesting mechanism is located the place ahead of header, another is located the top of header.

2. The adjustable harvester of claim 1, wherein the offset mechanism includes an offset yoke rotatably disposed on the header, the first harvesting mechanism and the second harvesting mechanism are both coupled to the offset yoke and are disposed on opposite sides of the offset yoke, and an offset drive member disposed on the header and in driving engagement with the offset yoke for rotating the first harvesting mechanism or the second harvesting mechanism in front of the header.

3. The adjustable harvester of claim 2, wherein the offset rotary frame comprises a rotary shaft, two first cantilevers and two second cantilevers, the rotary shaft is rotatably disposed on the header and is in transmission connection with the offset driving member, the two first cantilevers are respectively disposed at two ends of the rotary shaft, the two second cantilevers are respectively disposed at two ends of the rotary shaft, the two first cantilevers and the two second cantilevers are respectively disposed opposite to each other, two ends of the first harvesting mechanism are respectively rotatably connected with the two first cantilevers, and two ends of the second harvesting mechanism are respectively rotatably connected with the two second cantilevers.

4. The adjustable harvester of claim 2, wherein the offset mechanism further comprises an offset stop disposed on the header for unidirectionally stopping the offset turret.

5. The adjustable harvester of ratooning rice as claimed in claim 4, wherein the offset limiting part comprises a fixing lug, a limiting shaft, a limiting block and a stop block, the fixing lug is fixedly arranged on the inner wall of the header, the limiting shaft is arranged on the fixing lug, a torsion spring is sleeved on the limiting shaft, the limiting block is rotatably connected with the limiting shaft and used for abutting against the offset mechanism, the torsion spring abuts against the bottom of the limiting block and the fixing lug respectively, and the stop block is arranged on one side of the limiting block and used for abutting against the inner wall of the header, so that the limiting block can rotate in one direction relative to the header.

6. The adjustable harvester of claim 1, wherein the first harvesting mechanism includes a first driving member, a first harvesting shaft and a first harvesting blade, the first harvesting blade is disposed on the first harvesting shaft, the first harvesting shaft is rotatably connected to the offset mechanism, the first driving member is connected to the offset mechanism and is in transmission connection with the first harvesting shaft for driving the first harvesting shaft to rotate, and a width of the first harvesting blade along an extending direction of the first harvesting shaft is greater than a harvesting width of the second harvesting mechanism in the same direction.

7. The adjustable harvester of claim 6, wherein the second harvesting mechanism includes a second driving member, a second harvesting shaft and a second harvesting blade, the second harvesting blade is disposed on the second harvesting shaft, the second harvesting shaft is rotatably connected to the offset mechanism and is disposed parallel to the first harvesting shaft, the second driving member is connected to the offset mechanism and is in transmission connection with the second harvesting shaft for driving the second harvesting shaft to rotate, and a width of the second harvesting blade along an extending direction of the second harvesting shaft is smaller than a width of the first harvesting blade along an extending direction of the first harvesting shaft.

8. The adjustable harvester of claim 7, wherein the first and second harvesting blades have the same diameter of rotation.

9. The adjustable harvester of claim 7, wherein the second harvesting blade is disposed at a middle portion of the second harvesting shaft, and two baffles are further disposed on the second harvesting shaft, and are disposed at two ends of the second harvesting blade.

10. The adjustable harvester of claim 1, further comprising a threshing mechanism disposed on the harvester body, the threshing mechanism having a threshing channel, the threshing channel communicating with the header.

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