A fertilizer throwing device

Abstract

The utility model discloses a kind of throwing fertilizer devices, configuration is connected tractor, tractor has gearbox main shaft, comprising: rack, hopper, material tray, throwing material tray and transmission assembly, rack configuration is connected tractor, hopper is connected in rack, material tray is connected in the discharge end of hopper, at least one with the discharge hole that the interior of hopper is communicated and opening size can be adjusted is opened, throwing material tray is set relatively discharge hole, and can rotate relative to material tray, transmission assembly includes rotating shaft, stirring paddle and transmission box, rotating shaft is connected in throwing material tray, and can rotate relative to rack, stirring paddle is built in hopper, and is connected in rotating shaft, transmission box configuration is connected rotating shaft and gearbox main shaft. The utility model can effectively solve the problem of high cost caused by the need for external driving structure to drive stirring mechanism to rotate relative to hopper to avoid material in discharge end blockage.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically to a fertilizer application device. Background Technology

[0002] In order to improve the efficiency of farmland fertilization operations and reduce the labor intensity of manual labor, research on related fertilizer spreading devices has emerged.

[0003] For example, Chinese utility model patent with publication number CN209268007U, entitled "A Fertilizer Spreader," describes a fertilizer spreader comprising a base frame, a mixing mechanism, a spreading mechanism, and a drive mechanism. The mixing mechanism includes a mixing frame, a mixing box, and a mounting plate. The mixing frame includes a mixing shaft, mixing blades, a mixing pulley, and an adjusting device. The mixing box includes a mixing chamber, a connecting plate, ear plates, and an outlet pipe. The spreading mechanism includes a spreading frame and a spreading rotating frame. The spreading frame includes a hollow support plate and support leg plates. The spreading rotating frame includes a connecting bushing, spreading blades, a spreading shaft, and a spreading pulley. The adjusting device includes an adjusting plate, a lead screw, a fixing plate, a forward nut, and a backward nut. This device solves the problems of high labor intensity, low work efficiency, uneven spreading, reliance on experience to control fertilizer application, low fertilizer utilization, and low crop yield and quality associated with existing manual fertilizer spreading methods.

[0004] During fertilization operations, an external drive structure is required to rotate the mixing mechanism relative to the hopper to prevent material blockage, which leads to high costs. Utility Model Content

[0005] The purpose of this invention is to overcome the above-mentioned technical deficiencies and propose a fertilizer dispensing device to solve the technical problem of high cost caused by the need for an external drive structure to drive the stirring mechanism to rotate relative to the hopper in order to avoid material blockage at the discharge end.

[0006] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution: This utility model provides a fertilizer application device, configured to connect to a tractor, the tractor having a gearbox spindle, including: Frame, configured to connect to the tractor; The hopper is connected to the frame; The material tray is connected to the discharge end of the hopper and has at least one discharge hole that is connected to the inside of the hopper and has an adjustable opening size. A discharge plate is disposed relative to the discharge hole and is rotatable relative to the material tray; and The transmission assembly includes a rotating shaft, an agitator, and a transmission box. The rotating shaft is connected to the throwing disc and is rotatable relative to the frame. The agitator is built into the hopper and connected to the rotating shaft. The transmission box is configured to connect the rotating shaft and the gearbox main shaft.

[0007] In some embodiments, the transmission box includes a housing, a first transmission shaft, and a second transmission shaft. The housing is connected to the frame. The first transmission shaft is coaxially arranged with the rotating shaft. The second transmission shaft is coaxially arranged with the main shaft of the transmitter box and can be connected to the first transmission shaft for transmission. The axis of the second transmission shaft is perpendicular to the axis of the first transmission shaft.

[0008] In some embodiments, the fertilizer dispersing device further includes an adjustment assembly, which includes a first adjustment member and a second adjustment member. The first adjustment member is disposed relative to the discharge hole and is rotatable relative to the material tray to adjust the opening size of the discharge hole. The second adjustment member is disposed at a distance from the first adjustment member, is disposed relative to the discharge hole, and is rotatable relative to the material tray to further adjust the opening size of the discharge hole.

[0009] In some embodiments, the first adjusting member includes a first adjusting disc and a cable. The first adjusting disc is coaxially arranged with the rotating shaft and is rotatable relative to the rotating shaft. The cable is connected to the frame and to the first adjusting disc, and is used to drive the first adjusting disc to rotate relative to the material tray by a first preset angle.

[0010] In some embodiments, the first adjusting member further includes a mounting portion detachably connected to the frame and detachably connected to the cable.

[0011] In some embodiments, the second adjusting member includes a sector-shaped fixed plate, a second adjusting plate, and a locking part. The sector-shaped fixed plate is spaced apart from the material tray. The second adjusting plate is disposed between the first adjusting plate and the material tray and is rotatably sleeved on the rotating shaft. The locking part is connected to the second adjusting plate and can lock with the sector-shaped fixed plate to restrict the second adjusting plate from continuing to rotate relative to the sector-shaped fixed plate.

[0012] In some embodiments, the fertilizer throwing device further includes two guide plates, both of which are disposed between the material tray and the throwing tray and are positioned opposite each other on both sides of the frame to guide the material.

[0013] In some embodiments, the guide plate includes a first segment and a second segment, the first segment being horizontally disposed, and one end of the second segment being connected to the first segment and the other end extending upward in a direction away from the first segment.

[0014] In some embodiments, the fertilizer disposer further includes a filter plate disposed opposite the discharge end of the hopper and detachably connected to the inner wall of the hopper.

[0015] In some embodiments, the fertilizer disposer further includes a support rod, which is built into the hopper and has its two ends connected to the inner walls of two opposite sides of the hopper.

[0016] Compared with the prior art, the beneficial effects of the fertilizer throwing device provided by this utility model include: the frame is used to connect the hopper to the tractor, the material tray is connected to the discharge end of the hopper, and at least one discharge hole with an adjustable opening size is provided, the throwing plate is arranged relative to the discharge hole and can rotate relative to the material tray, the rotating shaft is connected to the throwing plate and can rotate relative to the frame, the stirring paddle is built into the hopper and connected to the rotating shaft, and the transmission box is arranged on the main shaft connecting the rotating shaft and the gearbox. Compared to existing technologies, the mixing paddle is built into the hopper and connected to the rotating shaft. The tractor's gearbox main shaft is connected to the rotating shaft via a transmission box, transmitting power from the tractor's gearbox main shaft to the mixing paddle, which then rotates relative to the hopper. Simultaneously, a throwing disc is installed on the rotating shaft. By rotating the throwing disc relative to the frame, the material falling from the hopper can be thrown out, achieving an automatic sowing effect. This design is not only simple in structure and highly efficient in transmission, reducing production costs, but also solves the technical problem of existing technologies that require an external drive structure to rotate the mixing mechanism relative to the hopper to prevent material blockage at the discharge end, resulting in high costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a fertilization device provided in one embodiment of the present invention; Figure 2 This is a schematic diagram from another perspective of a fertilization device provided in one embodiment of the present invention; Figure 3 This is a schematic diagram of a fertilization device provided in one embodiment of the present invention from another perspective; Figure 4 This is a schematic diagram showing the connection between the material tray and the adjustment component according to an embodiment of the present invention; Figure 5 This is a schematic diagram from another perspective showing the connection between the material tray and the adjustment component according to an embodiment of the present invention; Figure 6 This is a cross-sectional view of the material tray and the adjustment component connected according to an embodiment of the present invention; Figure 7 This is a schematic diagram showing the connection between the first adjusting member and the frame according to an embodiment of the present invention; Figure 8 This is a schematic diagram of a mounting base provided in one embodiment of the present utility model; Figure 9 This is a cross-sectional view of a transmission box provided in an embodiment of the present invention; Figure 10This is a cross-sectional view of a guide plate provided in one embodiment of the present invention.

[0018] Explanation of reference numerals in the attached figures: Frame 100; Hopper 200; Material tray 300; Throwing tray 400; Transmission assembly 500; Rotating shaft 510; Agitator 520; Transmission box 530; Box body 531; First transmission shaft 532; Second transmission shaft 533; Adjustment assembly 600; First adjustment component 610; First adjustment disc 611; Cable 612; Mounting part 613; Mounting base 6131; Connecting assembly 6132; Second adjustment component 620; Fan-shaped fixing disc 621; Second adjustment disc 622; Snap-fit ​​part 623; Connector 624; Guide plate 700; First section 710; Second section 720; Filter plate 800; Support rod 900. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] To address the technical problem of high costs caused by the need for an external drive structure to rotate the mixing mechanism relative to the hopper 200 to prevent material blockage at the discharge end, this invention provides a fertilizer-throwing device. The device integrates a mixing paddle 520 within the hopper 200 and connects it to a rotating shaft 510. A transmission box 530 connects the tractor's gearbox main shaft to the rotating shaft 510, transmitting power from the tractor's gearbox main shaft to the mixing paddle 520, causing it to rotate relative to the hopper 200. Simultaneously, a throwing disc 400 is mounted on the rotating shaft 510. The rotation of the throwing disc 400 relative to the frame 100 throws out the material falling from the hopper 200, achieving automatic sowing. This device is not only simple in structure but also highly efficient in transmission, reducing production costs.

[0021] Please see Figures 1 to 3 , Figure 1 , Figure 2This is a schematic diagram of a fertilizer-discharging device according to an embodiment of the present invention. The fertilizer-discharging device is configured to connect to a tractor. The tractor has a gearbox spindle and includes: a frame 100, a hopper 200, a material tray 300, a discharging disc 400, and a transmission assembly 500. The frame 100 is configured to connect to the tractor. The hopper 200 is connected to the frame 100. The material tray 300 is connected to the discharge end of the hopper 200 and has at least one discharge hole that communicates with the interior of the hopper 200 and has an adjustable opening size. The discharging disc 400 is positioned relative to the discharge hole and can rotate relative to the material tray 300. The transmission assembly 500 includes a rotating shaft 510, a stirring paddle 520, and a transmission box 530. The rotating shaft 510 is connected to the discharging disc 400 and can rotate relative to the frame 100. The stirring paddle 520 is built into the hopper 200 and connected to the rotating shaft 510. The transmission box 530 is configured to connect the rotating shaft 510 and the gearbox spindle.

[0022] In this device, compared to existing technologies, the mixing paddle 520 is built into the hopper 200 and connected to the rotating shaft 510. The transmission box 530 connects the tractor's gearbox main shaft to the rotating shaft 510, transmitting power from the tractor's gearbox main shaft to the mixing paddle 520, causing the mixing paddle 520 to rotate relative to the hopper 200. At the same time, a throwing disc 400 is also provided on the rotating shaft 510. By rotating the throwing disc 400 relative to the frame 100, the material falling from the hopper 200 can be thrown out, achieving the effect of automatic sowing. This device is not only simple in structure but also has high transmission efficiency, reducing production costs. It solves the technical problem in existing technologies where an external drive structure is needed to drive the mixing mechanism to rotate relative to the hopper 200 to avoid material blockage at the discharge end, resulting in high costs.

[0023] Furthermore, the material tray 300 has three discharge holes, and the size of the discharge holes can be adjusted simultaneously.

[0024] Furthermore, the throwing disc 400 is evenly provided with four guide rods along its circumference, which can effectively guide the material to be thrown out.

[0025] Furthermore, in this application, the stirring paddle 520 includes a stirring fixing sleeve and two blades. The stirring fixing sleeve is fitted onto the rotating shaft 510, and the two blades are evenly arranged along the circumference of the stirring fixing sleeve. Driven by the rotating shaft 510, the stirring paddle 520 blades can disperse the material and avoid clogging.

[0026] In this embodiment, as Figure 9As shown, the transmission box 530 includes a box body 531, a first transmission shaft 532 and a second transmission shaft 533. The box body 531 is connected to the frame 100. The first transmission shaft 532 is coaxially arranged with the rotating shaft 510. The second transmission shaft 533 is coaxially arranged with the main shaft of the transmitter box and can be connected to the first transmission shaft 532 for transmission. The axis of the second transmission shaft 533 is perpendicular to the axis of the first transmission shaft 532.

[0027] The power of the tractor's gearbox main shaft is transmitted to the rotating shaft 510 by the transmission structure formed by the first transmission shaft 532 and the second transmission shaft 533 in the transmission box 530. This allows the tractor to synchronously drive the rotating shaft 510 to rotate around its own axis when it is in motion, thereby driving the rotation of the throwing disc 400 and the mixing blade 520.

[0028] Furthermore, the first drive shaft 532 and the second drive shaft 533 are connected by a universal joint coupling, which enables the transmission connection between two rotating bodies whose two rotating shafts 510 are perpendicular to each other. The universal joint coupling is a conventional setting known to those skilled in the art and will not be described in detail here.

[0029] In this embodiment, as Figures 3 to 6 As shown, the fertilizer dispersing device also includes an adjustment component 600, which includes a first adjustment member 610 and a second adjustment member 620. The first adjustment member 610 is disposed relative to the discharge hole and can rotate relative to the material plate 300 to adjust the opening size of the discharge hole. The second adjustment member 620 is disposed at a distance from the first adjustment member 610, and is disposed relative to the discharge hole and can rotate relative to the material plate 300 to adjust the opening size of the discharge hole for a secondary purpose.

[0030] The first adjusting member 610 can be rotated relative to the material tray 300 to achieve the initial adjustment of the opening size of the discharge hole. The second adjusting member 620 can be rotated relative to the material tray 300 to achieve the secondary adjustment of the opening size of the discharge hole.

[0031] Furthermore, when the opening size of the discharge hole is initially adjusted using the first adjusting member 610, a fixed first adjusting interval is formed. When the opening size of the discharge hole is adjusted a second time using the second adjusting member 620, a fixed second adjusting interval is formed, and the size of the second adjusting interval is smaller than the first adjusting interval, which enables precise control of the amount of fertilizer applied.

[0032] In this embodiment, the first adjusting member 610 includes a first adjusting disc 611 and a cable 612. The first adjusting disc 611 is coaxially arranged with the rotating shaft 510 and can rotate relative to the rotating shaft 510. The cable 612 is connected to the frame 100 and connected to the first adjusting disc 611, and is used to drive the first adjusting disc 611 to rotate relative to the material tray 300 by a first preset angle.

[0033] The first adjusting member 610 consists of a first adjusting disc 611 coaxially arranged with the material tray 300 and a cable 612 connected to the first adjusting disc 611 in a transmission manner. When the user pulls the cable 612, the total length of the cable 612 can be changed, thereby enabling the first adjusting disc 611 to rotate in the forward or reverse direction relative to the material tray 300. After rotation, the first adjusting disc 611 can partially block the discharge hole, thereby adjusting the opening size of the discharge hole.

[0034] Furthermore, in this device, the first adjusting plate 611 is arranged relative to multiple discharge holes and has multiple first blocking plates, each first blocking plate corresponding to one discharge hole, and the opening size of each discharge hole is synchronized.

[0035] Furthermore, one end of the cable 612 is hinged to the first adjusting disc 611 via a rotating handle, and the other end of the cable 612 extends to the tractor's control room. By controlling the other end of the cable 612, the user can adjust the overall length of the cable 612. The extended or retracted end drives the first adjusting disc 611 to rotate relative to the material disc 300. The cable 612 here is a common and readily available pull cable or clutch cable 612 on the market. This is a conventional setting known to those skilled in the art and will not be described in detail here.

[0036] In one embodiment, such as Figure 7 , Figure 8 As shown, the first adjusting member 610 also includes a mounting part 613, which is detachably connected to the frame 100 and detachably connected to the cable 612.

[0037] Because the cable 612 is quite long, the middle part of the cable 612 can be fixed to the frame 100 by setting the mounting part 613, so as to avoid the cable 612 setting affecting the overall aesthetics and improve operational safety.

[0038] In some embodiments, the mounting part 613 includes a mounting base 6131 and a connecting component 6132. The mounting base 6131 is disposed on the connecting frame 100. The mounting base 6131 has a through hole that allows the cable 612 to pass through and an opening that communicates with the through hole. The connecting component 6132 includes a connecting body and two fixing members. The connecting body is fixedly sleeved on the cable 612 and can slide into the through hole through the opening. The two fixing members are respectively disposed on both sides of the mounting base 6131 and are slidably connected to the connecting body. When the two fixing members come close to each other, they can abut against the mounting base 6131 respectively to restrict the cable 612 from sliding relative to the mounting base 6131.

[0039] Furthermore, the connector is rod-shaped and hollow inside. The circumferential outer wall of the connector is provided with external threads along its length. The fastener includes a fixing nut, with two fixing nuts spaced apart from each other and both threadedly connected to the external threads of the connector.

[0040] Furthermore, the fastener also includes a washer, which is disposed between the fixing nut and the mounting base 6131, sleeved on the connecting body, and the washer can abut against the fixing nut and the mounting base 6131 respectively.

[0041] Furthermore, the washer has an elastic structure.

[0042] Understandably, the connector can slide into the through hole along the opening, and then the fixing parts on both sides can be adjusted to get closer to each other and abut against the mounting base 6131, so that the cable 612 can be quickly fixed in the through hole of the mounting base 6131 without having to remove the nuts and washers on both sides from the cable 612 first. The structure is simple and the operation is convenient.

[0043] In this embodiment, as Figures 4 to 6 As shown, the second adjusting member 620 includes a sector-shaped fixed plate 621, a second adjusting plate 622, and a locking part 623. The sector-shaped fixed plate 621 is spaced apart from the material tray 300. The second adjusting plate 622 is disposed between the first adjusting plate 611 and the material tray 300 and is rotatably sleeved on the rotating shaft 510. The locking part 623 is connected to the second adjusting plate 622 and can lock with the sector-shaped fixed plate 621 to restrict the second adjusting plate 622 from continuing to rotate relative to the sector-shaped fixed plate 621.

[0044] The secondary adjustment structure, consisting of a sector-shaped fixed plate 621, a second adjustment plate 622, and a snap-fit ​​part 623, along with the snap-fit ​​structure between the snap-fit ​​part 623 and the sector-shaped fixed plate 621, facilitates operation.

[0045] Furthermore, during the initial adjustment using the first adjusting member 610, for example, if the rotation angle is 30° each time, then when the cable 612 is pulled for the first adjustment, the opening area of ​​the discharge hole accounts for two-thirds of the total area; when the cable 612 is pulled for the second adjustment, the opening area of ​​the discharge hole accounts for one-third of the total area, and so on. Under the action of the first adjusting member 610, the first adjustment interval is one-third of the area of ​​the discharge hole each time. During the secondary adjustment using the second adjusting member 620, for example, if the rotation angle is 15° each time, then when the second adjusting plate 622 is rotated for the first adjustment, the opening area of ​​the discharge hole accounts for one-sixth of the total area; when the second adjusting plate 622 is rotated for the second adjustment, the opening area of ​​the discharge hole accounts for two-sixths of the total area, and so on. Under the action of the second adjusting member 620, the second adjustment interval is one-sixth of the area of ​​the discharge hole each time.

[0046] In some embodiments, the second adjusting member 620 also includes a connecting body 624, which is connected to both the snap-fit ​​part 623 and the second adjusting plate 622. By pushing the snap-fit ​​part relative to the fan-shaped fixed plate 621, the user can drive the second adjusting plate 622 to rotate around its axis relative to the material plate 300.

[0047] Furthermore, the cross-section of the fan-shaped fixing plate 621 is horizontally arranged in an "L" shape, and has a first part and a second part. The first part is parallel to and spaced apart from the second adjusting plate 622 and the second adjusting plate 622. The second part is perpendicular to the first part. The second part has multiple snap-fit ​​holes along its setting direction, and the snap-fit ​​part 623 can snap into any one of the snap-fit ​​holes.

[0048] Furthermore, the latching part 623 includes a latching rod and a spring. One end of the latching rod is positioned opposite the latching hole, and one end of the spring is connected to the latching rod and the other end is connected to the other end of the connector, for pushing the latching rod into the latching hole.

[0049] Furthermore, the second adjusting member 620 also includes a fixing block and a stop block. The fixing block is connected to the other end of the connecting body and has a through hole opposite to the snap-fit ​​hole. One end of the snap-fit ​​rod passes through the through hole and is inserted into the snap-fit ​​hole. The stop block is connected to the other end of the snap-fit ​​rod. A spring is sleeved on the snap-fit ​​rod. The two ends of the spring are respectively connected to the fixing block and the stop block, and the cross-sectional area of ​​the stop block is larger than the cross-sectional area of ​​the through hole.

[0050] Furthermore, the second adjusting member 620 also includes a pull ring hinged to the stop block.

[0051] In this embodiment, as Figure 1 , Figure 2 and Figure 10As shown, the fertilizer throwing device also includes two guide plates 700, which are both disposed between the material tray 300 and the throwing tray 400, and are positioned opposite each other on both sides of the frame 100 to guide the material.

[0052] Two guide plates 700 are also provided on both sides of the material tray 300 to guide the material to be thrown out along both sides of the tractor's direction of travel, thereby improving the efficiency of fertilizer throwing.

[0053] In one embodiment, please refer to Figure 10 The guide plate 700 includes a first segment 710 and a second segment 720. The first segment 710 is horizontally arranged, and one end of the second segment 720 is connected to the first segment 710, while the other end extends upward in a direction away from the first segment 710.

[0054] By setting a second segment 720 that is positioned upward relative to the first segment 710, the fertilizer can be guided to be thrown in a farther direction, making the fertilizer distribution more even.

[0055] In this embodiment, as Figure 1 As shown, the fertilizer disposer also includes a filter plate 800, which is disposed relative to the discharge end of the hopper 200 and is detachably connected to the inner wall of the hopper 200.

[0056] The filter plate 800 is built into the hopper 200 and is set relative to the discharge end of the hopper 200 to facilitate the user's feeding and prevent the fertilizer bag from getting caught in the discharge end of the hopper 200 and causing blockage during the feeding process.

[0057] Furthermore, the filter plate 800 and the inner wall of the hopper 200 are hinged together by a hinge, allowing the user to flip the filter plate 800 to unclog or clean the discharge end of the hopper 200.

[0058] In one embodiment, please refer to Figure 1 The fertilizer disposer also includes a support rod 900, which is built into the hopper 200, and the two ends of the support rod 900 are respectively connected to the two pairs of inner walls of the hopper 200.

[0059] To reduce the load on the tractor, the hopper 200 is usually made of plastic. By setting a support rod across the hopper 200, the strength and stability of the hopper 200 can be increased, preventing it from tipping over when carrying too much fertilizer.

[0060] To better understand this utility model, the following is combined with... Figures 1 to 10 The technical solution of this utility model is described in detail below: The frame 100 is used to connect the hopper 200 to the tractor. The material tray 300 is connected to the discharge end of the hopper 200 and has at least one discharge hole that communicates with the interior of the hopper 200 and has an adjustable opening size. The throwing disc 400 is set opposite to the discharge hole and can rotate relative to the material tray 300. The rotating shaft 510 is connected to the throwing disc 400 and can rotate relative to the frame 100. The stirring paddle 520 is built into the hopper 200 and connected to the rotating shaft 510. The transmission box 530 is configured to connect the rotating shaft 510 and the gearbox main shaft. Compared to existing technologies, the mixing paddle 520 is built into the hopper 200 and connected to the rotating shaft 510. The transmission box 530 connects the tractor's gearbox main shaft to the rotating shaft 510, transmitting the power of the tractor's gearbox main shaft to the mixing paddle 520, causing the mixing paddle 520 to rotate relative to the hopper 200. At the same time, the rotating shaft 510 is also equipped with a throwing disc 400. By rotating the throwing disc 400 relative to the frame 100, the material falling from the hopper 200 can be thrown out, achieving the effect of automatic sowing. This design is not only simple in structure but also has high transmission efficiency, reducing production costs.

[0061] In the specific working process of this utility model, when using this device to apply fertilizer, the user first connects the hopper 200 to the frame 100 and the material tray 300 respectively. Then, the bag containing fertilizer is ripped open and put into the hopper 200. Subsequently, as the tractor moves, the stirring paddle 520 can continuously stir the material in the hopper 200, and the throwing disc 400 can also rotate relative to the material tray 300 at the same time. When the tractor travels to the area to be fertilized, the user can pull the cable 612 to reasonably select the opening size of the discharge hole. Under the action of gravity, the material automatically leaks out from the discharge hole and is automatically thrown out by the rotation of the throwing disc 400.

[0062] Furthermore, the user can pull the pull ring to separate the locking rod from the locking hole on the sector-shaped fixing plate 621, and then drag the second adjusting plate 622 to rotate relative to the material plate 300. After selecting the appropriate discharge hole opening size, the user can release the pull ring, and the locking rod will automatically lock into another locking hole under the action of the spring.

[0063] This application, through the above structure, can solve the technical problem in the prior art that requires an external drive structure to drive the mixing mechanism to rotate relative to the hopper 200 to avoid material blockage at the discharge end, resulting in high costs.

[0064] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A fertilizer-distributing device, configured to connect to a tractor, the tractor having a gearbox spindle, characterized in that, include: Frame, configured to connect to the tractor; The hopper is connected to the frame; The material tray is connected to the discharge end of the hopper and has at least one discharge hole that is connected to the inside of the hopper and has an adjustable opening size. A discharge plate is disposed relative to the discharge hole and is rotatable relative to the material tray; and The transmission assembly includes a rotating shaft, an agitator, and a transmission box. The rotating shaft is connected to the throwing disc and is rotatable relative to the frame. The agitator is built into the hopper and connected to the rotating shaft. The transmission box is configured to connect the rotating shaft and the gearbox main shaft.

2. The fertilizer application device according to claim 1, characterized in that, The transmission box includes a housing, a first transmission shaft, and a second transmission shaft. The housing is connected to the frame. The first transmission shaft is coaxially arranged with the rotating shaft. The second transmission shaft is coaxially arranged with the main shaft of the transmitter box and can be connected to the first transmission shaft for transmission. The axis of the second transmission shaft is perpendicular to the axis of the first transmission shaft.

3. The fertilizer application device according to claim 1, characterized in that, The fertilizer dispersing device further includes an adjustment assembly, which includes a first adjustment member and a second adjustment member. The first adjustment member is disposed relative to the discharge hole and can rotate relative to the material plate to adjust the opening size of the discharge hole. The second adjustment member is disposed at a distance from the first adjustment member, is disposed relative to the discharge hole, and can rotate relative to the material plate to further adjust the opening size of the discharge hole.

4. The fertilizer application device according to claim 3, characterized in that, The first adjusting component includes a first adjusting disc and a cable. The first adjusting disc is coaxially arranged with the rotating shaft and can rotate relative to the rotating shaft. The cable is connected to the frame and to the first adjusting disc, and is used to drive the first adjusting disc to rotate relative to the material disc by a first preset angle.

5. The fertilizer application device according to claim 4, characterized in that, The first adjusting member also includes a mounting part, which is detachably connected to the frame and detachably connected to the cable.

6. The fertilizer application device according to claim 4, characterized in that, The second adjusting component includes a sector-shaped fixed plate, a second adjusting plate, and a locking part. The sector-shaped fixed plate is spaced apart from the material tray. The second adjusting plate is disposed between the first adjusting plate and the material tray and is rotatably sleeved on the rotating shaft. The locking part is connected to the second adjusting plate and can lock with the sector-shaped fixed plate to restrict the second adjusting plate from continuing to rotate relative to the sector-shaped fixed plate.

7. The fertilizer application device according to claim 1, characterized in that, The fertilizer throwing device also includes two guide plates, which are disposed between the material tray and the throwing tray and are positioned opposite each other on both sides of the frame to guide the material.

8. The fertilizer application device according to claim 7, characterized in that, The guide plate includes a first segment and a second segment. The first segment is horizontally arranged, and one end of the second segment is connected to the first segment, while the other end extends upward in a direction away from the first segment.

9. The fertilizer application device according to claim 1, characterized in that, The fertilizer dispersing device also includes a filter plate, which is disposed opposite to the discharge end of the hopper and is detachably connected to the inner wall of the hopper.

10. The fertilizer application device according to claim 1, characterized in that, The fertilizer disposer also includes a support rod, which is built into the hopper and has its two ends connected to the inner walls of the hopper on two opposite sides.

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