A forage hay collecting device

Abstract

The present invention discloses a forage hay collecting device, comprising: a collecting body, a stirring stick, a fixed plate and a mounting side plate, a conveying assembly is installed inside the left side of the collecting body, a first partition plate is fixedly installed in the middle of the inner side of the collecting body, and a second partition plate is fixedly installed on the outer side of the front end of the first partition plate, and a collecting chamber is arranged inside the front end of the collecting body; a stirring stick is installed inside the right side of the collecting body, and a second driving motor is installed on the upper side of the rear end of the collecting body. The present invention belongs to the technical field of forage hay collection, and the purpose of the present invention is to solve the problem that the prior art does not have a good impurity separation function and the collection effect of the processed forage hay is poor. The technical effect achieved is: it has a good impurity separation function, improves the purity of forage hay, and at the same time, facilitates a more comprehensive impurity removal work.

Description

Technical Field

[0001] The invention relates to the technical field of forage hay collection, and in particular to a forage hay collection device. Background Art

[0002] Grass hay refers to grass that has been dried and is mainly used to feed livestock. This kind of hay can be stored for a long time, is easy to transport and use, and is one of the important feed sources for livestock breeding. At present, after the grass harvesting process is completed, people usually spread the fresh grass on the ground and use natural sunlight to dry it. In this process, the grass gradually loses moisture and eventually turns into storable grass hay. When the grass hay is dried to a certain degree and reaches the ideal storage conditions, it needs to be carefully and efficiently collected using a special collection device. This step is crucial because it not only affects the cleanliness and quality of the grass hay, but also directly affects the subsequent storage, transportation and use effects.

[0003] For example, an agricultural hay collecting device with a Chinese authorization publication number of CN 107172971 B discloses a forage hay collecting device that can prevent rainwater from entering a weed cleaning device in a vehicle bed, thereby further improving the rain shielding effect.

[0004] However, most of the collecting devices do not have a good impurity separation function during collection, resulting in the overall inability to effectively separate and remove the soil mixed in the forage hay, making the purity of the forage hay poor, affecting its quality and subsequent processing effects. At the same time, the collection effect of the processed forage hay is poor, and thus there are certain defects. Summary of the invention

[0005] To this end, the present invention provides a forage hay collecting device to solve the problem that the existing device does not have a good impurity separation function and has a poor collection effect on the processed forage hay.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] A forage hay collecting device comprises a collecting body, a stirring stick, a fixing plate and a mounting side plate, wherein a conveying assembly is installed inside the left side of the collecting body, a first partition plate is fixedly installed at the middle of the inner side of the collecting body, and a second partition plate is fixedly installed at the outer side of the front end of the first partition plate, and a collecting chamber is arranged inside the front end of the collecting body;

[0008] A stirring stick is installed inside the right side of the collecting vehicle body, and a connecting gear is fixedly installed in the middle of the stirring stick. A second driving motor is installed on the upper side of the rear end of the collecting vehicle body, and a reciprocating screw rod is connected to the output end of the second driving motor. A transmission plate is arranged on the outer side of the reciprocating screw rod, and a rack located on the right side of the connecting gear is fixedly installed on the outer side of the left end of the transmission plate, and the rack is meshed and connected with the connecting gear.

[0009] A fixing plate is installed in the middle of the right side of the collecting vehicle body, and a first filter screen is fixedly installed inside the lower end of the fixing plate, a second filter screen is arranged on the upper side of the front end of the first filter screen, and a material discharge trough located in the second partition plate is opened directly in front of the first filter screen;

[0010] A mounting side plate is arranged inside the rear wall of the collecting vehicle body, and a fan is arranged at the inner middle part of the mounting side plate. A guide plate is fixedly installed inside the front end of the mounting side plate by screws.

[0011] Furthermore, a feed plate is installed at the lower left end of the collecting vehicle body through a torsion spring shaft, a driving wheel is installed at the lower end of the collecting vehicle body, and an opening and closing door is installed at the front end of the collecting vehicle body through a hinge shaft.

[0012] Furthermore, the conveying assembly includes a first drive motor, a conveyor belt and a baffle. The first drive motor is installed on the outer side of the rear end of the collecting vehicle body, and the output end of the first drive motor is connected to the conveyor belt located in the collecting vehicle body. Baffles are installed at equal intervals on the outer side of the conveyor belt. A heating plate parallel to the conveyor belt is installed on the left side of the upper end of the collecting vehicle body.

[0013] Furthermore, a tilted plate-like structure is integrally fixedly installed on the right side of the first partition plate, and the plate-like structure is located directly below the first filter screen. A scraper located outside the baffle is fixedly installed on the outer side of the left end of the first partition plate by screws.

[0014] Furthermore, the upper end of the stirring rod extends through to the outer side of the top of the collecting vehicle body, and a connecting plate is integrally fixedly installed on the outer side of the stirring rod, and the connecting plate is located above the right side of the first partition plate.

[0015] Furthermore, an I-shaped block is provided through the left end of the connecting plate, and the I-shaped block is connected to the connecting plate in a rotatable manner. An electric hydraulic rod located at the upper end of the collecting vehicle body is installed on the outer side of the upper end of the I-shaped block by screws.

[0016] Furthermore, the right end of the transmission plate extends to the interior of the collection vehicle body, and the transmission plate and the collection vehicle body are connected in a sliding manner.

[0017] Furthermore, the lower end of the stirring rod extends to the outer side of the upper end of the first filter screen, and the stirring rod is located directly in front of the guide plate.

[0018] Furthermore, a mounting block is integrally fixedly installed on the outer side of the front end of the first filter screen, and the mounting block extends to the inside of the second partition plate, and an elastic block for fixing the mounting block is installed inside the second partition plate.

[0019] Furthermore, the lower end of the second partition plate is inclined, and a first prefabricated groove is penetrated through the middle of the second partition plate, and the first prefabricated groove is located above the front end of the second filter screen.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] 1. The lower end of the stirring rod extends to the outer side of the upper end of the first filter screen. The stirring rod reciprocates under the action of the rack and the connecting gear, and the rotation angle is less than 180 degrees. The lower end of the stirring rod stirs the grass hay that falls to the upper end of the first filter screen, which is convenient for effectively separating the soil and the grass hay, so that the soil mixed in the grass hay falls off, and at the same time avoids excessive turning of the grass hay due to large-angle stirring, effectively reducing the phenomenon of leaf shedding, nutrient loss and quality degradation of the grass hay due to excessive turning;

[0022] 2. The second filter is arranged at an angle, and the filter aperture size of the second filter is larger than the filter aperture size of the first filter. The second filter guides the grass hay, and at the same time, it is convenient to blow a large volume of soil to the second filter through the fan, and the grass hay and the large volume of soil are filtered through the second filter, so as to further improve the impurity removal effect and improve the purity of the grass hay;

[0023] 3. The length of the connecting gear is greater than that of the rack, and the rack is located on the upper right side of the connecting gear, so that the rack can always be in contact with the connecting gears at different heights. When the conveyor belt transports a lot of grass and hay, the height of the stirring rod and the connecting gear can be adjusted by the electric hydraulic rod to facilitate the stirring of the grass and hay from top to bottom, so as to carry out more comprehensive impurity removal work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more intuitively illustrate the prior art and the present application, exemplary drawings are given below. It should be understood that the specific shapes and structures shown in the drawings should not generally be regarded as limiting conditions for implementing the present application; for example, those skilled in the art are capable of easily making conventional adjustments or further optimizations to the addition / reduction / attribution division, specific shapes, positional relationships, connection methods, and dimensional ratios of certain units based on the technical concepts and exemplary drawings disclosed in the present application.

[0025] Figure 1 A front cross-sectional view of a forage hay collecting device provided for some embodiments of the present invention.

[0026] Figure 2 A side cross-sectional view of a forage hay collecting device provided for some embodiments of the present invention.

[0027] Figure 3 A top view of a cross-sectional view of the connection between a first filter screen and a second filter screen of a forage hay collecting device provided in some embodiments of the present invention.

[0028] Figure 4 A top view of the connection between a rack and an engaging gear of a forage hay collecting device provided in some embodiments of the present invention.

[0029] Figure 5 A forage hay collecting device provided in some embodiments of the present invention Figure 1 Enlarged view of point A in the middle.

[0030] Figure 6 A forage hay collecting device provided in some embodiments of the present invention Figure 2 Enlarged view of point B in the middle.

[0031] Figure 7 A forage hay collecting device provided in some embodiments of the present invention Figure 1 Cross-section view at CC.

[0032] Description of reference numerals:

[0033] 1. Collecting vehicle body; 2. Driving wheel; 3. Feeding plate; 4. First driving motor; 5. Conveyor belt; 6. Baffle; 7. First partition plate; 8. Second partition plate; 9. Collecting chamber; 10. Opening and closing door; 11. Stirring stick; 12. Connecting gear; 13. Connecting plate; 14. I-block; 15. Electric hydraulic rod; 16. Second driving motor; 17. Reciprocating screw rod; 18. Transmission plate; 19. Rack; 20. Fixed plate; 21. First filter screen; 22. Second filter screen; 23. Mounting block; 24. Elastic block; 25. Feeding chute; 26. Mounting side plate; 27. Fan; 28. Guide plate; 29. ​​Dust screen; 30. First prefabricated trough; 31. Second prefabricated trough; 32. Heating plate; 33. Scraper. DETAILED DESCRIPTION

[0034] The present application is further described below in detail through specific embodiments in conjunction with the accompanying drawings.

[0035] like Figures 1 to 7As shown, a grass hay collecting device in an embodiment of the first aspect of the present invention includes: a collecting body 1, a stirring stick 11, a fixed plate 20 and an installation side plate 26. A feed plate 3 is installed at the lower left end of the collecting body 1 through a torsion spring shaft, and a driving wheel 2 is installed at the lower end of the collecting body 1, so that the driving wheel 2 can be used to drive the whole body to move. A first partition plate 7 is fixedly installed in the middle of the inner side of the collecting body 1, and a second partition plate 8 is fixedly installed on the outer side of the front end of the first partition plate 7. The internal space of the collecting body 1 is divided into multiple spaces under the action of the first partition plate 7 and the second partition plate 8, so that different steps of processing of grass hay can be performed in different spaces. At the same time, the feed plate 3 is always in contact with the ground under the action of the torsion spring shaft, so that it is suitable for grounds of different heights, so that the grass hay on the ground can be pushed to the inner front end of the collecting body 1 through the feed plate 3 while the whole is moving.

[0036] A conveying assembly is installed inside the left side of the collecting vehicle body 1, and the conveying assembly includes a first driving motor 4, a conveyor belt 5 and a baffle 6. The first driving motor 4 is installed on the outer side of the rear end of the collecting vehicle body 1, and the output end of the first driving motor 4 is connected to the conveyor belt 5 located in the collecting vehicle body 1. Baffles 6 are installed at equal intervals on the outer side of the conveyor belt 5. The first driving motor 4 is started, so that the first driving motor 4 drives the conveyor belt 5 to rotate inside the collecting vehicle body 1. At this time, the conveyor belt 5 is arranged at an angle, and the feed plate 3 pushes the forage hay on the ground to the inner front end of the collecting vehicle body 1, so that the forage hay contacts the lower end of the conveyor belt 5. At this time, the conveyor belt 5 can transport the forage hay to the middle of the upper end of the collecting vehicle body 1 under the blocking effect of the baffle 6;

[0037] A heating plate 32 is installed on the left side of the upper end of the collecting vehicle body 1 and is arranged parallel to the conveyor belt 5. The heating plate 32 is turned on while conveying. At this time, the inclined heating plate 32 can increase the area of ​​the forage hay conveyed by the conveyor belt 5, so as to facilitate the drying work and ensure the drying effect.

[0038] A scraper 33 located on the outside of the baffle 6 is fixedly installed on the outer side of the left end of the first partition plate 7 by screws, and a through groove structure located below the scraper 33 is penetrated inside the upper end of the first partition plate 7. The grass hay transported to the top of the conveyor belt 5 falls to the outer side of the upper end of the first filter screen 21 through the through groove structure to facilitate subsequent impurity removal work. At this time, a tooth structure matched with the distribution of the baffle 6 is provided inside the upper end of the scraper 33, so that the scraper 33 can scrape the gap of the baffle 6 and the outer side of the conveyor belt 5, so as to scrape off the grass hay adhering to the outer side thereof.

[0039] A stirring rod 11 is installed inside the right side of the collecting vehicle body 1, and the lower end of the stirring rod 11 is located at the lower right side of the through slot structure for feeding, and the hay transported by the conveyor belt 5 falls to the outside of the stirring rod 11 and the upper end of the first filter screen 21;

[0040] A connecting gear 12 is fixedly installed in the middle of the stirring stick 11, a second driving motor 16 is installed on the upper side of the rear end of the collecting body 1, and a reciprocating screw 17 is connected to the output end of the second driving motor 16, and a transmission plate 18 is arranged on the outer side of the reciprocating screw 17. The reciprocating screw 17 plays a good transmission role on the transmission plate 18 and the rack 19. The rack 19 located on the right side of the connecting gear 12 is fixedly installed on the outer side of the left end of the transmission plate 18. The right end of the transmission plate 18 extends to the inside of the collecting body 1, and the transmission plate 18 is connected to the collecting body 1 in a sliding manner. The second driving motor 16 is started, so that the second driving motor 16 drives the reciprocating screw 17 to rotate inside the collecting body 1. At this time, the reciprocating screw 17 is threadedly connected with the transmission plate 18, thereby driving the transmission plate 18 to move back and forth inside the collecting body 1;

[0041] A fixing plate 20 is installed in the middle of the right side of the collecting body 1, and a first filter screen 21 is fixedly installed inside the lower end of the fixing plate 20, and the rack 19 is connected in a meshing state with the connecting gear 12. As the transmission plate 18 drives the rack 19 to move inside the collecting body 1, the connecting gear 12 and the rack 19 always maintain a meshing state and drive the connecting gear 12 to rotate, thereby facilitating the stirring rod 11 to rotate synchronously inside the collecting body 1. At this time, the lower end of the stirring rod 11 falls to the first filter screen. The grass hay on the upper end of the net 21 is stirred to effectively separate the soil and the grass hay, so that the soil mixed in the grass hay falls off and is preliminarily filtered through the first filter net 21. The right side of the first partition plate 7 is integrally fixed with an inclined plate structure, and the plate structure is located directly below the first filter net 21. The soil filtered by the first filter net 21 falls onto the plate structure installed on the right side of the first partition plate 7, and is guided into the second prefabricated trough 31 through it and discharged from the second prefabricated trough 31.

[0042] The lower end of the stirring rod 11 extends to the outer side of the upper end of the first filter screen 21. The stirring rod 11 rotates back and forth under the action of the rack 19 and the connecting gear 12, and the rotation angle is less than 180°, so as to avoid excessive turning of the grass hay due to large-angle stirring, and effectively reduce the phenomenon of leaf shedding, nutrient loss and quality degradation of the grass hay due to excessive turning. At the same time, the lower end of the stirring rod 11 can grind the soil on the upper side of the first filter screen 21, so as to grind a large volume of soil to reduce its volume and facilitate better removal.

[0043] The upper end of the stirring rod 11 extends through and extends to the outside of the top of the collecting vehicle body 1, and a connecting plate 13 is integrally fixedly installed on the outside of the stirring rod 11. The connecting plate 13 is located above the right side of the first partition plate 7. An I-shaped block 14 is provided inside the left end of the connecting plate 13, and the I-shaped block 14 is connected to the connecting plate 13 in a rotating manner. An electric hydraulic rod 15 located at the upper end of the collecting vehicle body 1 is installed on the outer side of the upper end of the I-shaped block 14 by screws. The upper and lower ends of the I-shaped block 14 respectively penetrate into the left end of the connecting plate 13. The connecting plate 13 has a good installation effect on the I-shaped block 14, and the inside of the connecting plate 13 is provided with an arc-shaped slide groove adapted to the I-shaped block 14;

[0044] The stirring rod 11 and the connecting gear 12 rotate, and the connecting plate 13 rotates with the I-block 14 through the arc-shaped slide groove, so as to prevent the I-block 14 and the electric hydraulic rod 15 from affecting the normal rotation of the stirring rod 11 and the connecting gear 12.

[0045] When the stirring rod 11 has finished removing impurities from the grass and hay, the electric hydraulic rod 15 is started to shrink the electric hydraulic rod 15 which was originally in an extended state. At this time, the electric hydraulic rod 15 drives the connecting plate 13, the stirring rod 11 and the connecting gear 12 to move upward through the I-shaped block 14 to prevent the lower end of the stirring rod 11 from blocking the discharge of the grass and hay. At the same time, a limiting rod is fixedly installed on the outer side of the lower end of the I-shaped block 14, and the limiting rod penetrates into the interior of the first partition plate 7, so as to limit the I-shaped block 14, so as to ensure the stability of the up and down movement of the I-shaped block 14 and the connecting plate 13.

[0046] At the same time, the length of the connecting gear 12 is greater than the length of the rack 19. The rack 19 is located on the upper right side of the connecting gear 12, so that the rack 19 can always be in contact with the connecting gears 12 at different heights. When the conveyor belt 5 transports a lot of grass and hay, the height of the stirring rod 11 and the connecting gear 12 can be adjusted by the electric hydraulic rod 15 to facilitate the stirring of the grass and hay from top to bottom in sequence, so as to carry out a more comprehensive impurity removal work.

[0047] A mounting side panel 26 is fixedly provided inside the rear wall of the collecting body 1 by screws, and a fan 27 is provided in the middle inner part of the mounting side panel 26, a guide plate 28 is fixedly provided inside the front end of the mounting side panel 26 by screws, and a dust screen 29 located outside the fan 27 is fixedly provided on the outer side of the rear end of the mounting side panel 26 by screws. The fan 27 is started so that the fan 27 blows air into the interior of the collecting body 1. At this time, the dust screen 29 can filter the air, and at the same time, guide grooves are provided at equal intervals inside the guide plate 28 to facilitate evenly blowing air into the interior of the collecting body 1.

[0048] A second filter screen 22 is provided on the upper side of the front end of the first filter screen 21, a mounting block 23 is integrally fixedly installed on the outer side of the front end of the first filter screen 21, and the mounting block 23 extends to the inside of the second partition plate 8, and an elastic block 24 for fixing the mounting block 23 is installed inside the second partition plate 8, a collecting chamber 9 is provided inside the front end of the collecting vehicle body 1, and a first prefabricated groove 30 is provided through the middle of the second partition plate 8;

[0049] During installation, the installation block 23 is inserted into the interior of the second partition plate 8. At this time, the installation block 23 and the elastic block 24 are engaged with each other, so as to better install and fix the second filter screen 22, and facilitate the second filter screen 22 to be fixedly installed on the front upper end of the first filter screen 21. At the same time, the first prefabricated groove 30 is located above the front end of the second filter screen 22, and the fan 27 can blow the cleaned grass hay to the front end of the first filter screen 21. At this time, the second filter screen 22 guides the grass hay, which is convenient for the grass hay to move into the first prefabricated groove 30, and fall into the collection chamber 9 through the first prefabricated groove 30 for collection;

[0050] At the same time, the filtering aperture size of the second filter 22 is larger than the filtering aperture size of the first filter 21, so that a larger volume of soil can be blown to the second filter 22 by the fan 27, and the grass hay and the larger volume of soil can be filtered through the second filter 22. A discharge chute 25 located in the second partition plate 8 is provided directly in front of the first filter 21. At this time, the larger volume of soil is blown into the discharge chute 25, and falls through the discharge chute 25 to the plate structure installed on the right side of the first partition plate 7, and is discharged together with the soil filtered by the first filter 21.

[0051] The lower end of the second partition plate 8 is inclined, and an opening and closing door 10 is installed at the front end of the collecting body 1 through a hinge shaft. The inclination angle of the second partition plate 8 can make it easier to take out the grass hay from the collecting chamber 9, thereby improving work efficiency. When a certain amount of grass hay is collected in the collecting chamber 9, the opening and closing door 10 is opened to take out the grass hay from the collecting chamber 9.

[0052] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

Claims

1. A forage hay collecting device, comprising a collecting vehicle body (1), a stirring rod (11), a fixing plate (20) and a mounting side plate (26), characterized in that: A conveying assembly is installed inside the left side of the collection vehicle body (1), a first partition plate (7) is fixedly installed in the middle of the inner side of the collection vehicle body (1), and a second partition plate (8) is fixedly installed on the outer side of the front end of the first partition plate (7), and a collection chamber (9) is provided inside the front end of the collection vehicle body (1); A stirring rod (11) is installed inside the right side of the collecting vehicle body (1), and a connecting gear (12) is fixedly installed in the middle of the stirring rod (11); a second driving motor (16) is installed on the upper side of the rear end of the collecting vehicle body (1), and a reciprocating screw (17) is connected to the output end of the second driving motor (16); a transmission plate (18) is arranged on the outside of the reciprocating screw (17), and a rack (19) located on the right side of the connecting gear (12) is fixedly installed on the outside of the left end of the transmission plate (18), and the rack (19) is meshingly connected with the connecting gear (12); A fixing plate (20) is installed in the middle of the right side of the collecting vehicle body (1), and a first filter screen (21) is fixedly installed inside the lower end of the fixing plate (20), a second filter screen (22) is arranged on the upper front side of the first filter screen (21), and a material discharge chute (25) located in the second partition plate (8) is opened directly in front of the first filter screen (21); A mounting side plate (26) is provided inside the rear wall of the collection vehicle body (1), a fan (27) is provided in the middle of the inner side of the mounting side plate (26), and a guide plate (28) is fixedly installed inside the front end of the mounting side plate (26) by means of screws.

2. A forage hay collecting device according to claim 1, characterized in that: A feed plate (3) is mounted on the left lower end of the collection vehicle body (1) via a torsion spring shaft, a drive wheel (2) is mounted on the lower end of the collection vehicle body (1), and an opening and closing door (10) is mounted on the front end of the collection vehicle body (1) via a hinge shaft.

3. The forage hay collecting device according to claim 1, characterized in that: The conveying assembly comprises a first drive motor (4), a conveyor belt (5) and a baffle (6); the first drive motor (4) is mounted on the outer side of the rear end of the collection vehicle body (1); the output end of the first drive motor (4) is connected to the conveyor belt (5) located inside the collection vehicle body (1); baffles (6) are mounted at equal intervals on the outer side of the conveyor belt (5); and a heating plate (32) is mounted on the left side of the upper end of the collection vehicle body (1) and is arranged parallel to the conveyor belt (5).

4. The forage hay collecting device according to claim 1, characterized in that: A plate-like structure arranged obliquely is integrally fixedly mounted on the right side of the first partition plate (7), and the plate-like structure is located directly below the first filter screen (21). A scraper (33) located outside the baffle (6) is fixedly mounted on the outer side of the left end of the first partition plate (7) by means of screws.

5. The forage hay collecting device according to claim 1, characterized in that: The upper end of the stirring rod (11) extends through and to the outside of the top of the collecting vehicle body (1), and a connecting plate (13) is integrally fixedly mounted on the outside of the stirring rod (11), wherein the connecting plate (13) is located above the right side of the first partition plate (7).

6. A forage hay collecting device according to claim 5, characterized in that: An I-shaped block (14) is provided through the left end of the connecting plate (13), and the I-shaped block (14) is connected to the connecting plate (13) in a rotatable manner. An electric hydraulic rod (15) located at the upper end of the collection vehicle body (1) is installed on the outer side of the upper end of the I-shaped block (14) by means of screws.

7. The forage hay collecting device according to claim 1, characterized in that: The right end of the transmission plate (18) extends to the interior of the collection vehicle body (1), and the transmission plate (18) and the collection vehicle body (1) are connected in a sliding manner.

8. The forage hay collecting device according to claim 1, characterized in that: The lower end of the stirring rod (11) extends to the outside of the upper end of the first filter screen (21), and the stirring rod (11) is located directly in front of the guide plate (28).

9. The forage hay collecting device according to claim 1, characterized in that: A mounting block (23) is integrally fixedly mounted on the outer front end of the first filter screen (21), and the mounting block (23) extends to the interior of the second partition plate (8), and an elastic block (24) for fixing the mounting block (23) is mounted inside the second partition plate (8).

10. The forage hay collecting device according to claim 1, characterized in that: The lower end of the second partition plate (8) is arranged at an angle, and a first prefabricated groove (30) is provided through the middle of the second partition plate (8), wherein the first prefabricated groove (30) is located above the front end of the second filter screen (22).

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