CN110199656A - A kind of cropper grass cutting collection box and harvester for peanut - Google Patents

Abstract

The invention relates to the technical field of peanut harvesters, in particular to a grass collecting box for a harvester and a peanut harvester. The peanut harvester includes a frame, a fruit picking device, a grass discharge device and a grass collecting box for the harvester. The grass collecting box for the harvester includes a box body, a box cover, a filter device and an induced draft fan; There is an air duct connecting the inside and outside of the box on the front or rear side of the box; the box cover is set on the upper part of the box body, and the box cover is located between the air outlet of the accommodation cavity and the air inlet of the air duct when it is closed. above; the filtering device is arranged in the air duct for filtering the air flowing through the air duct; the induced draft fan is arranged in the downstream of the filtering device in the air duct. The ash discharge of the filtering device of the peanut harvester is very simple and convenient.

Description

Grass collection box for harvester and peanut harvester

technical field

The invention relates to the technical field of peanut harvesters, in particular to a grass collecting box for a harvester and a peanut harvester.

Background technique

At present, in agricultural production, the picking of peanuts is generally achieved by a peanut harvester. For example, in the invention patent application document with the application publication number CN109757187A, a peanut harvester for harvesting peanuts is described. The peanut harvester includes a machine Rack, peanut fruit picking device, grass discharge device and a grass collection box for collecting broken stems and broken leaves discharged from the grass discharge device; The chamber containing the broken stalks and broken leaves is connected; the peanut harvester is also equipped with a cyclone dust collector, the air inlet of the cyclone dust collector is connected with the bottom end of the air inlet pipe, and the air inlet pipe is used to remove the dust contained in the grass box. The air is guided to the cyclone dust collector for dust removal and discharged; the bottom of the cyclone dust collector is provided with an ash outlet, and the ash outlet is blocked by a sealing plate hinged near it, and the sealing plate is used to drive the grass box to turn over through a flexible shaft. In the process of turning over the grass collecting box, the flexible shaft moves with the connecting rod mechanism to open the sealing plate, so that the dust in the cyclone dust collector can be easily discharged.

In the above-mentioned peanut harvester, in order to facilitate the discharge of dust in the cyclone dust collector, the sealing plate that blocks the ash outlet of the cyclone dust collector is connected with the connecting rod mechanism through a flexible shaft, which increases the structural complexity of the entire peanut harvester, and The flexible shaft is generally exposed and is easily damaged. After the flexible shaft is damaged, it needs to be repaired and replaced, which will increase the use cost of the peanut harvester.

Contents of the invention

The object of the present invention is to provide a grass-collecting box for a harvester with relatively simple ash discharge during use; the present invention also provides a peanut harvester using the above-mentioned grass-collecting box for a harvester.

In order to achieve the above object, the grass collecting box for the harvester provided by the present invention adopts the following technical solutions:

The grass box for the harvester includes:

The box body has an accommodating cavity for containing crushed stalks, and the front side or the back side of the box body is provided with an air duct connecting the inside and outside of the box body;

The box cover is arranged on the upper part of the box body, and when the box cover is closed, it is located above the air outlet of the accommodation chamber and the air inlet of the air duct;

A filtering device, located in the air duct, is used to filter the air flowing through the air duct;

The induced draft fan is located downstream of the filter device in the air duct.

The beneficial effect of the grass collecting box for the harvester provided by the present invention is: the air channel in the grass collecting box is arranged in the box body, and the filter device is arranged in the air channel, and when the grass collecting box is overturned, the filter device will also follow the collection process. The grass box is turned over together, and the cover of the grass collecting box is set above the air outlet of the accommodation chamber and the air inlet of the air duct. At this time, the sundries in the filter device turned over together with the grass collecting box can be dumped out along the air inlet of the air duct, which is very convenient.

Further, the filter device includes a bottom plate and a filter cartridge fixed on the bottom plate, the bottom of the filter cartridge is open, the bottom plate is provided with an opening corresponding to the bottom of the filter cartridge, and the top wall and side wall of the filter cartridge are provided with air holes. . When the filter device of this structure is in use, the airflow with dust will enter the filter cartridge from the side wall and the air hole on the top wall of the filter cartridge, and then enter the air duct below through the opening on the bottom plate. When entering the filter cartridge, most of the dust in the airflow will be filtered by the top wall and side wall of the filter cartridge, and the dust will fall between the filter cartridge and the wall of the air duct and accumulate, and will be dumped out together when the broken stems are dumped .

Further, there are more than two filter cartridges, and adjacent filter cartridges are arranged at intervals along the left and right directions. Increasing the number of filter cartridges can increase the area of the side walls of the filter cartridges, thereby increasing the speed at which the airflow enters the lower air duct.

Further, air holes are provided on the bottom plate between adjacent filter cartridges. When the grass collecting box for the harvester is in use, a small amount of light-weight broken stems and broken leaves will enter the air duct with the airflow. If the bottom plate outside the filter cartridge is completely closed, the airflow will only flow towards the filter cartridge. The broken stalks and broken leaves in the filter will block the air holes on the filter cartridges, which will affect the exhaust effect of the air duct, and if the air holes are set on the bottom plate between adjacent filter cartridges, there will be some airflow. Through the air hole on the bottom plate, it enters the lower air duct, and the broken stems and leaves will also fall on the bottom plate due to their own gravity and the wind blowing to the air hole on the bottom plate, thereby ensuring the air flow on the filter cartridge. The hole is unobstructed.

Further, the filter device only includes one filter unit, and the wall plates of the adjacent filter cartridges in the filter unit towards the inside of the grass collection box for the harvester are connected by a baffle plate, or each filter cartridge in the filter unit faces the grass collection box for the harvester. One side of the box interior shares a wall to prevent air flow between adjacent filter cartridges in a front-to-back direction. Arranging like this can prevent the broken stalks and broken blades falling on the base plate at the air hole place from being blown by the wind again and flying around in the air duct.

The filter device includes more than two filter units arranged side by side along the left and right direction, and the adjacent filter cartridges in the filter unit are connected by the baffle plate towards the inside of the grass collecting box of the harvester, or each filter cartridge in the filter unit faces the harvester. One side of the grass collecting box for the machine shares a wall plate to prevent the air flow from flowing in and out between adjacent filter cartridges. Arranging like this can prevent the broken stalks and broken blades falling on the base plate at the air hole place from being blown by the wind again and flying around in the air duct.

Further, the filter cartridge is tilted toward the turning direction of the grass collecting box for the harvester, so as to facilitate the dumping of the dust accumulated in the filter device. According to the state when the grass collecting box is overturned in place, the inclination of the filter cartridge is set so that the dust accumulated in the filter device can flow out more easily.

Further, an inspection door is provided on the wall plate corresponding to the filter device on the inner wall of the air duct facing the grass collecting box for the harvester. An inspection door is provided for easy removal of the filter unit.

Further, the filter device is guided and moved in the air duct, so that it can be easily moved out of the air duct when the inspection door is opened.

The peanut harvester provided by the present invention adopts the following technical solutions:

The peanut harvester includes a frame, a fruit picking device, a grass discharge device and a grass collection box for the harvester. The grass collection box for the harvester includes:

The box body has an accommodating cavity for containing crushed stalks, and the front side or the back side of the box body is provided with an air duct connecting the inside and outside of the box body;

The box cover is arranged on the upper part of the box body, and when the box cover is closed, it is located above the air outlet of the accommodation chamber and the air inlet of the air duct;

A filtering device, located in the air duct, is used to filter the air flowing through the air duct;

The induced draft fan is located downstream of the filter device in the air duct.

The beneficial effect of the peanut harvester provided by the present invention is: the air channel in the grass collecting box of the peanut harvester is arranged in the box body, and the filter device is arranged in the air channel, and when the grass collecting box is overturned, the filter device will also follow the The grass collection box is turned over together, and the cover of the grass collection box is set above the air outlet of the storage chamber and the air inlet of the air duct, and when the broken stems are dumped, the cover will open the air outlet of the storage chamber and also The air inlet of the air duct, and at this time, the debris in the filter device that is turned over with the grass collecting box can be dumped out along the air inlet of the air duct, which is very convenient.

Further, the filter device includes a bottom plate and a filter cartridge fixed on the bottom plate, the bottom of the filter cartridge is open, the bottom plate is provided with an opening corresponding to the bottom of the filter cartridge, and the top wall and side wall of the filter cartridge are provided with air holes. . When the filter device of this structure is in use, the airflow with dust will enter the filter cartridge from the side wall and the air hole on the top wall of the filter cartridge, and then enter the air duct below through the opening on the bottom plate. When entering the filter cartridge, most of the dust in the airflow will be filtered by the top wall and side wall of the filter cartridge, and the dust will fall between the filter cartridge and the wall of the air duct and accumulate, and will be dumped out together when the broken stems are dumped .

Further, there are more than two filter cartridges, and adjacent filter cartridges are arranged at intervals along the left and right directions. Increasing the number of filter cartridges can increase the area of the side walls of the filter cartridges, thereby increasing the speed at which the airflow enters the lower air duct.

Further, air holes are provided on the bottom plate between adjacent filter cartridges. When the grass collecting box for the harvester is in use, a small amount of light-weight broken stems and broken leaves will enter the air duct with the airflow. If the bottom plate outside the filter cartridge is completely closed, the airflow will only flow towards the filter cartridge. The broken stalks and broken leaves in the filter will block the air holes on the filter cartridges, which will affect the exhaust effect of the air duct, and if the air holes are set on the bottom plate between adjacent filter cartridges, there will be some airflow. Through the air hole on the bottom plate, it enters the lower air duct, and the broken stems and leaves will also fall on the bottom plate due to their own gravity and the wind blowing to the air hole on the bottom plate, thereby ensuring the air flow on the filter cartridge. The hole is unobstructed.

Further, the filter device only includes one filter unit, and the wall plates of the adjacent filter cartridges in the filter unit towards the inside of the grass collection box for the harvester are connected by a baffle plate, or each filter cartridge in the filter unit faces the grass collection box for the harvester. One side of the box interior shares a wall to prevent air flow between adjacent filter cartridges in a front-to-back direction. Arranging like this can prevent the broken stalks and broken blades falling on the base plate at the air hole place from being blown by the wind again and flying around in the air duct.

The filter device includes more than two filter units arranged side by side along the left and right direction, and the adjacent filter cartridges in the filter unit are connected by the baffle plate towards the inside of the grass collecting box of the harvester, or each filter cartridge in the filter unit faces the harvester. One side of the grass collecting box for the machine shares a wall plate to prevent the air flow from flowing in and out between adjacent filter cartridges. Arranging like this can prevent the broken stalks and broken blades falling on the base plate at the air hole place from being blown by the wind again and flying around in the air duct.

Further, the filter cartridge is tilted toward the turning direction of the grass collecting box for the harvester, so as to facilitate the dumping of the dust accumulated in the filter device. According to the state when the grass collecting box is overturned in place, the inclination of the filter cartridge is set so that the dust accumulated in the filter device can flow out more easily.

Further, an inspection door is provided on the wall plate corresponding to the filter device on the inner wall of the air duct facing the grass collecting box for the harvester. An inspection door is provided for easy removal of the filter unit.

Further, the filter device is guided and moved in the air duct, so that it can be easily moved out of the air duct when the inspection door is opened.

Description of drawings

Fig. 1 is the structural representation of the embodiment of peanut harvester provided by the present invention;

Fig. 2 is the structural representation of the frame of the embodiment of the peanut harvester provided by the present invention, the grass discharge device and the grass collecting box;

Fig. 3 is the front view of structure in Fig. 2;

Fig. 4 is the structural representation of the grass collecting box of the embodiment of the peanut harvester provided by the present invention when the box cover is opened;

Fig. 5 is the structural representation of the weed discharge device of the embodiment of the peanut harvester provided by the present invention;

Fig. 6 is a schematic structural view of the box body of the grass collecting box of the embodiment of the peanut harvester provided by the present invention (before the maintenance door is disassembled);

Fig. 7 is a schematic structural view of the box body of the grass collecting box of the embodiment of the peanut harvester provided by the present invention (after the maintenance door is disassembled);

Fig. 8 is a structural schematic view of the filter unit and the guide rail of the embodiment of the peanut harvester provided by the present invention (viewed from front to back);

Fig. 9 is a structural schematic view of the filter unit and the guide rail of the embodiment of the peanut harvester provided by the present invention (viewed from the back);

Fig. 10 is a diagram of the state of use when harvesting the embodiment of the peanut harvester provided by the present invention;

Fig. 11 is the schematic diagram of the air flow of the embodiment of the peanut harvester provided by the present invention;

Fig. 12 is a state view of dumping crushed stalks and dust of the embodiment of the peanut harvester provided by the present invention.

In the drawings: 1-frame, 2-fruit picking device, 3-grass discharge device, 4-grass collection box, 5-box body, 6-box cover, 7-accommodating cavity, 8-grass inlet, 9-guide Flow plate, 10-air guide channel, 11-air duct, 12-inspection door, 13-filter unit, 14-sealing strip, 15-guide rail, 16-bottom plate, 17-filter cartridge, 18-air vent, 19- Baffle, 20-induced fan, 21-accommodating cavity air outlet, 22-air duct air inlet.

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

The embodiment of peanut harvester provided by the present invention:

As shown in Figures 1-3, the peanut harvester includes a frame 1, a fruit picking device 2 installed on the frame 1 for picking fruit, a grass collecting box 4 for collecting broken stems and broken leaves, and a Broken stalks and broken blades are sent to the grass discharge device 3 in the grass collecting box 4 .

As shown in Figures 4 and 5, the grass collection box 4 includes a box body 5 and a box cover 6, and the box body 5 is provided with an accommodating chamber 7 for holding broken stalks and broken leaves, and the box cover 6 is provided with a The grass inlet 8 docked with the grass discharge device 3, the grass discharge device 3 sends the airflow with broken stalks and broken leaves into the accommodation chamber 7 in the grass collection box 4 through the grass inlet 8; Corresponding to the grass outlet of the grass inlet 8, a sealing strip 14 is provided, and the sealing strip 14 is set to prevent the dusty airflow from being discharged through the docking position of the grass discharge device 3 and the grass collecting box 4 to cause pollution.

As shown in Fig. 4 and Fig. 11, a deflector 9 is also provided on the box cover 6, and the airflow entering the grass collecting box 4 through the grass inlet 8 enters the accommodation from around the accommodation cavity 7 through the deflecting effect of the deflector 9. In the chamber 7 , heavy crushed stalks, crushed leaves, etc. are deposited at the bottom of the chamber 7 .

As shown in Fig. 4, Fig. 6, Fig. 7 and Fig. 11, the rear side of casing 5 is provided with the air duct 11 that extends along the up and down direction, and the lower port of air duct 11 communicates with the outside of grass collecting box 4, and in the air duct 11 is provided with a filtering device, and an induced draft fan 20 is arranged at the lower port of the air duct 11, and the induced draft fan 20 is arranged below the filtering device; an air guide channel connecting the air duct 11 and the accommodation chamber 7 is provided on the case cover 6 10. One end of the air guide passage 10 is connected to the air outlet 21 of the accommodation chamber 7, and the other end is connected to the air inlet 22 of the air duct 11; in this embodiment, the air guide passage 10 is arranged on the case cover 6 Above, the air duct 11 and the accommodation cavity 7 are both arranged in the box body 5, so the box cover 6 is located above the air outlet 21 of the accommodation cavity and the air inlet 22 of the air duct when the box cover 6 is opened, and simultaneously makes the accommodation cavity enter The tuyere 21 and the air duct air inlet 22 are exposed outside.

As shown in Figure 11, the induced draft fan 20 can send the airflow from the grass discharge device 3 into the accommodating chamber 7 out of the grass collecting box 4, and the lighter dust in the accommodating chamber 7 and the lighter crushed stems and broken leaves The air flows through the air outlet 21 of the accommodation chamber 7 , the air guiding channel 10 and the air inlet 22 of the air duct into the air duct 11 , and then is filtered by the filter device and then discharged out of the air duct 11 .

As shown in Figures 6-9, the filter device is installed on the upper part of the air duct 11. In this embodiment, the filter device includes two filter units 13, and the two filter units 13 are arranged side by side along the left and right directions. The filter unit 13 includes a bottom plate 16 and three filter cartridges 17 arranged at intervals along the left and right directions on the bottom plate 16. The bottom plate 16 is a rectangular plate structure, and its four sides are connected with the inner wall of the air duct 11 to prevent air flow from the bottom plate 16 and the air duct 11. The filter cartridge 17 is in the shape of a cuboid, and the four side walls and the top wall of the filter cartridge 17 are provided with air holes 18 (the air holes 18 in the figure are only for illustration, and the actual air holes 18 are covered with Corresponding to the wall plate), the bottom of the filter cartridge 17 is open, and the bottom plate 16 is provided with an opening corresponding to the inner cavity of the filter cartridge 17. After the airflow in the housing cavity 7 enters the air duct 11, the airflow enters the inner cavity of the filter cartridge 17 from the top wall and the air passage hole 18 on the side wall of the filter cartridge 17, and enters the bottom of the filter unit 13 through the opening provided on the bottom plate. In the air duct 11, and then by the induced draft fan 20 out of the grass collecting box 4, and dust and broken stalks, broken blades are blocked by the filter cartridge 17, stay on the base plate 16.

As shown in Fig. 8 and Fig. 9, in the same filter unit 13, air passage holes 18 are also arranged on the bottom plate 16 between adjacent filter cartridges 17, the reason for setting the air passage holes 18 here is: if the bottom plate 16 If no air holes are set on the top, the air flow can only enter the filter cartridge 17 from the air passage holes 18 on the top wall and the side wall of the filter cartridge 17, and then enter the air duct 11 below the filter unit 13, and part of the air flow impacts on the bottom plate. 16, it will flow upwards in reverse, and the airflow contains lighter crushed stems and crushed leaves. The crushed stems and crushed leaves will be affected by the wind to offset its gravity, and it is difficult for the crushed stems and crushed leaves to fall to the bottom plate. 16, it is likely to be attached to the air hole 18 on the filter cartridge 17 in the end, and then the air hole 18 will be blocked, affecting the exhaust capacity of the air duct 11; It will enter the air duct 11 below through the air passage hole 18 on the bottom plate 16. In this case, the broken stalks and broken blades will be affected by their own gravity and the wind force of the airflow flowing to the air passage hole 18 on the bottom plate 16. Effect and fall on the bottom plate 16, thereby avoid broken stalk and broken blade to block the air passage hole 18 on the filter cartridge 17.

As shown in Figure 8 and Figure 9, a baffle 19 is provided between adjacent filter cartridges 17 in the same filter unit 13, in this embodiment, each filter cartridge 17 in the same filter unit 13 shares a front wall plate, And the baffle plate 19 is formed by the front wall plate between the adjacent filter cartridges 17, and the baffle plate 19 seals off the interval space between the adjacent filter cartridges 17 at the front side. The reason for setting the baffle plate 19 is to prevent the broken stalks and broken blades falling on the bottom plate 16 from leaving the bottom plate 16 again under the action of the airflow flowing in the front and rear direction.

As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10, and Fig. 12, the filter cartridge 17 is arranged inclined toward the left (the leftward inclination is set here to adapt to the overturning direction of the grass collecting box 4 in use), This also results in the intervals between adjacent filter cartridges 17 also being inclined to the left. The reason why the filter cartridge 17 is tilted is that when many grass collecting boxes 4 are set, the side wall panels on the flipped side will be tilted outwards, so that when the grass collecting box 4 is turned over, the broken stems in the chamber 7 , crushed blades, etc. can flow out of the housing chamber 7 more easily, and in the present embodiment, the filter cartridge 17 is also inclined to be arranged in order to match with the side wall plate of the inclined grass collecting box 4, so that when the grass collecting box 4 is overturned , the dust, broken stalks and broken leaves filtered in the filter unit 13 can flow out of the air duct 11 more easily.

As shown in Fig. 6 and Fig. 7, on the front wall plate of the air duct 11, corresponding to the two filter units 13, an inspection door 12 is respectively provided, and the inspection door 12 is set to facilitate the disassembly of the filter unit 13; in the air duct 11, the corresponding inspection door 12 There are four guide rails 15 arranged at intervals along the left and right directions, and the guide rails 15 are provided with installation grooves for inserting the bottom plate 16 of the filter unit 13 and extending along the front and rear directions. When the filter unit 13 is installed, the bottom plate 16 is inserted into the corresponding two In the installation groove on the guide rail 15, so as to realize guiding movement and be installed in the air duct 11, after the filter unit 13 is installed in place, the fixing of the filter unit 13 and the air duct 11 can be realized by locking bolts. When the filter unit 13 needs to be replaced or cleaned, the maintenance door 12 is opened, the locking bolts locking the filter unit 13 and the air duct 11 are removed, and then the filter unit 13 is pulled out from the air duct 11, which is very convenient.

In the above embodiments, each filter cartridge in the same filter unit shares a front wall, and the baffle is formed by the front wall between adjacent filter cartridges. In other embodiments, each filter cartridge may also have its own independent front wall, and the baffles may be provided separately and between the front walls of adjacent filter cartridges; or no baffles may be provided, and the same may be used.

In the above embodiments, the air duct is arranged on the rear side of the box. In other embodiments, the air duct can also be arranged on the front side of the box body, and can also be used.

In the above embodiment, the filter unit includes a bottom plate and a filter cartridge, the bottom of the filter cartridge is open, the bottom plate is provided with an opening corresponding to the bottom of the filter cartridge, and the top wall and the side wall of the filter cartridge are provided with air holes. In other embodiments, the filter unit can also be in other structural forms, such as a simple filter net, which can also be used.

In the above embodiment, there are three filter cartridges in each filter unit, and the three filter cartridges are arranged at intervals. In other embodiments, the filter cartridges can also be placed close together; the number of filter cartridges can also be one, two or more than three, which can also be used.

In the above embodiments, air holes are provided on the bottom plate between adjacent filter cartridges in the same filter unit. In other embodiments, no air holes may be provided on the bottom plate between adjacent filter cartridges, which can also be used.

In the above embodiments, the filter cartridge is inclined toward the seat. In other embodiments, the filter cartridge can also be arranged vertically, which can also be used.

In the above embodiment, an inspection door is provided on the front wall of the air duct corresponding to the filter unit. In other embodiments, no access door may be provided, and the filter unit may be disassembled from the air inlet of the air duct when the filter unit needs to be cleaned or replaced.

In the above embodiments, the filter unit is moved and installed in the air duct guided by guide rails. In other embodiments, guide rails may not be provided, and the filter unit is directly fixed at a corresponding position in the air duct, but it is troublesome to disassemble the filter unit.

In the above embodiments, there are two filter units. In other embodiments, one, three or more than three filtering units can also be provided, which can also be used.

The present invention also provides a grass-collecting box for a harvester, which has the same structure as the grass-collecting box in the above-mentioned peanut harvester, which will not be repeated here.

Claims (10)

1. A grass collecting box for a harvester, characterized in that it comprises: The box body has an accommodating cavity for containing crushed stalks, and the front side or the back side of the box body is provided with an air duct connecting the inside and outside of the box body; The box cover is arranged on the upper part of the box body, and when the box cover is closed, it is located above the air outlet of the accommodation chamber and the air inlet of the air duct; A filtering device, located in the air duct, is used to filter the air flowing through the air duct; The induced draft fan is located downstream of the filter device in the air duct. 2. The grass collecting box for the harvester according to claim 1, wherein the filtering device comprises a bottom plate and a filter cartridge fixed on the bottom plate, the bottom of the filter cartridge is open, and the bottom plate corresponds to the bottom of the filter cartridge An opening is provided, and air holes are provided on the top wall and the side wall of the filter cartridge. 3. The grass-collecting box for a harvester according to claim 2, wherein there are more than two filter cartridges, and adjacent filter cartridges are arranged at intervals along the left and right directions. 4. The grass-collecting box for a harvester according to claim 3, wherein an air hole is arranged on the bottom plate between adjacent filter cartridges. 5. The grass-collecting box for harvester according to claim 4, wherein the filter device only comprises one filter unit, and the wall plate of the adjacent filter cartridge in the filter unit is towards the inside of the grass-collecting box for the harvester They are connected by baffles, or each filter cartridge in the filter unit shares a wall plate towards the inner side of the grass collecting box for the harvester, so as to prevent the airflow from flowing in the front and rear direction between adjacent filter cartridges. 6. The grass collecting box for a harvester according to claim 4, wherein the filter device comprises more than two filter units arranged side by side along the left and right direction, and the adjacent filter cartridges in the filter unit are directed towards the harvester. The wall panels inside the grass collection box are connected by baffles, or the filter cartridges in the filter unit share a wall panel on the side facing the interior of the grass collection box for the harvester, so as to prevent the airflow from passing between adjacent filter cylinders along the inner and outer sides. direction flow. 7. The grass-collecting box for a harvester according to any one of claims 3-6, characterized in that, the filter cartridge is inclined towards the overturning direction when the grass-collecting box for a harvester is in use, so as to accumulate in the filter Dumping of dust in the device. 8. The grass-collecting box for harvester according to any one of claims 2-6, characterized in that an inspection door is provided on the wall plate corresponding to the filter device on the wall facing the inside of the grass-collecting box for harvester. 9. The grass-collecting box for a harvester according to claim 8, wherein the filtering device is guided and moved and installed in the air duct so as to be easily moved out of the air duct when the maintenance door is opened. 10. A peanut harvester, comprising: frame; fruit picking device; Grass discharge device; The grass collecting box for the harvester is characterized in that the grass collecting box for the harvester is the grass collecting box for the harvester according to any one of claims 1-9.