Automatic fertilizer application device for field crop planting

Abstract

This utility model discloses an automatic fertilization device for field crop planting, belonging to the field of agricultural machinery technology. The device includes a support base, a fertilizer bin, and a filter plate inside a pipe, with a quick-release mechanism for fixing the filter plate. The quick-release mechanism includes a rotating rod passing through the filter plate and a limiting component on the pipe; the limiting component includes a radially retractable limiting buckle driven by a spring, which engages with a groove in the wall of the rotating rod for axial limiting. Rotating the rotating rod causes its wall to press against the bevel on the limiting buckle, forcing the buckle to overcome the elastic force, contract, and disengage from the groove, thus quickly unlocking the rotating rod. The device also includes a buffer mechanism connecting the support base and the base to absorb the impact force during field movement. Through the above structure, this utility model achieves quick, tool-free disassembly and assembly of the filter plate, making operation convenient, while effectively reducing vibration, significantly improving the device's maintenance efficiency, operational reliability, and overall service life.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, and in particular to an automatic fertilization device for field crop planting. Background Technology

[0002] With the development of modern agricultural technology, automated fertilization devices have become an indispensable key equipment in field crop cultivation, significantly improving the efficiency and uniformity of fertilization operations. During automated fertilization, to prevent impurities in the fertilizer solution from clogging subsequent nozzles or drip irrigation pipes, a filter is typically installed in the fertilizer delivery pipeline.

[0003] However, in actual field operations, the fertilizer itself may contain incompletely dissolved particles, crystals, or other impurities, leading to frequent clogging of the filter plates or screens in the filtration device. Once clogging occurs, it not only affects the fertilizer flow rate but can also, in severe cases, interrupt the entire fertilization operation. Therefore, timely cleaning and maintenance of the filtration device are necessary.

[0004] Currently, in most existing fertilization devices, filter plates are installed inside the pipes using bolts or threaded connections. When disassembly and cleaning are required, on-site maintenance personnel must use specialized tools such as wrenches to loosen the fasteners one by one. The entire disassembly process is cumbersome, time-consuming, and labor-intensive. This inefficient maintenance method not only increases the labor intensity for farmers, but more importantly, prolonged downtime for maintenance delays valuable farming time, potentially causing crops to miss the optimal fertilization window, thus adversely affecting crop growth and final yield.

[0005] Therefore, this utility model proposes an automatic fertilization device for field crop planting to overcome the shortcomings of the prior art. Utility Model Content

[0006] In view of the problems in the existing automatic fertilization devices for field crops, such as the cumbersome and time-consuming disassembly and maintenance of the filter device, which affects the continuity of fertilization operations, this utility model aims to provide an automatic fertilization device for field crops with an improved structure that can effectively solve the above problems.

[0007] This utility model provides an automatic fertilization device for field crop planting, including a support base, a fertilizer box fixed on the support base, a pipe, and a filter plate disposed in the pipe; the device also includes a quick-release mechanism for fixing and releasing the filter plate.

[0008] The quick-release mechanism includes a rotating rod, a rotating disk, and a limiting assembly. The rotating rod is rotatably and removably inserted into the pipe and passes through the filter plate. The rotating disk is fixedly connected to one end of the rotating rod. The limiting assembly is disposed on the pipe wall and includes a radially telescopic limiting buckle, a telescopic rod that retracts in conjunction with the limiting buckle, and a spring for driving the limiting buckle to return to its original position toward the rotating rod. The limiting buckle and the rod wall of the rotating rod are engaged in a detachable snap-fit ​​manner to axially limit the rotating rod.

[0009] Preferably, the rotating rod has a groove on its wall for engaging the limiting buckle; and the limiting buckle has an oblique opening that mates with the wall of the rotating rod. When the rotating rod rotates, its wall presses against the oblique opening, causing the limiting buckle to overcome the elastic force of the spring and retract and disengage from the groove.

[0010] Preferably, the spring is mounted on the telescopic rod, with one end of the spring abutting against the pipe wall and the other end abutting against the end of the telescopic rod connected to the limiting buckle.

[0011] Preferably, the automatic fertilization device for field crop planting further includes a base and a buffer mechanism connected between the support and the base.

[0012] In one specific implementation, the buffer mechanism includes a connecting block fixed to the bottom of the support base; a swing plate rotatably connected to the connecting block via a rotating shaft; a sliding plate slidably installed inside the base; and a connecting rod, one end of which is rotatably connected to the swing plate and the other end of which is rotatably connected to the sliding plate.

[0013] Preferably, the buffer mechanism further includes a second spring, which is disposed between the sliding plate and the base, and is used to absorb impact force when the sliding plate slides.

[0014] Preferably, the buffer mechanism further includes a support rod, which is fixed to the base and points towards the sliding plate, and the spring is sleeved on the outer periphery of the support rod.

[0015] Preferably, two connecting blocks are symmetrically fixed at the bottom of the support base along its width direction, and the swing plate is rotatably connected between the two connecting blocks via two rotating shafts.

[0016] This utility model has the following beneficial effects: 1. This utility model, by setting up a quick-release mechanism, uses the rotation of the rotating rod to squeeze the limit buckle with an oblique opening, causing the limit buckle to retract and disengage from the limiting of the rotating rod. This solves the problem in the prior art that the disassembly and maintenance process is complicated and time-consuming after the filter device is blocked, which may delay the best time for fertilization. It achieves the technical effect of quickly disassembling and installing the filter plate without tools, shortening the maintenance time and ensuring the continuity of fertilization operations.

[0017] 2. This utility model, by setting a buffer mechanism between the support base and the base, transmits the shaking force generated when the equipment moves to the sliding plate through the linkage mechanism, and the spring buffers and absorbs the energy. This solves the problem in the prior art that when the fertilizer applicator moves in uneven fields, the severe vibration can easily damage the core components, resulting in poor equipment reliability and short service life. It achieves the technical effect of effectively reducing the shaking amplitude of the equipment, reducing the wear and tear on the core components, thereby reducing the equipment failure rate and significantly extending the overall service life of the automatic fertilizer applicator.

[0018] 3. This utility model, by combining the quick-release filter mechanism with the linkage slider buffer mechanism, solves the problems of existing fertilizer devices having single functions and structural design that does not fully consider the actual needs of field operations, resulting in both inconvenient maintenance and high equipment wear rate. It achieves the technical effect of ingenious structure, high functional integration, and convenient on-site maintenance and reliable operation on rugged roads, making the device more suitable for the complex environment of field crop planting. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of an automatic fertilization device for field crop planting proposed in this utility model. Figure 2 This is a schematic diagram of the pipeline structure of an automatic fertilization device for field crop planting proposed in this utility model. Figure 3 for Figure 1 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the base of an automatic fertilization device for field crop planting proposed in this utility model.

[0020] Legend: 1. Support base; 2. Fertilizer bin; 3. Quick release mechanism; 31. Pipe; 32. Filter plate; 33. Rotating rod; 34. Rotating disk; 35. Telescopic rod; 36. Limiting component; 361. Spring 1; 362. Limiting buckle; 4. Buffering mechanism; 41. Connecting block; 42. Rotating shaft; 43. Swing plate; 44. Connecting rod; 45. Sliding plate; 46. Base; 47. Support rod; 48. Spring 2. Detailed Implementation

[0021] Example: Reference Figures 1 to 4 This utility model provides an automatic fertilization device for field crops, which aims to solve the problems of time-consuming disassembly and maintenance and complicated operation of existing field fertilization devices after the filter screen is clogged, as well as the easy damage to the equipment due to bumps and vibrations when moving in the field.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the automatic fertilization device for field crops includes a support base 1 and a base 46. The support base 1 is connected to the base 46 via a buffer mechanism 4. A fertilizer box 2 is fixed on the support base 1, and the fertilizer box 2 is connected to a pipe 31. A filter plate 32 is installed inside the pipe 31. To enable quick disassembly and installation of the filter plate 32, the device also includes a quick-release mechanism 3. The quick-release mechanism 3 includes a rotating rod 33, a rotating disk 34, and a limiting component 36. The rotating rod 33 is rotatably and removably inserted through the pipe 31 and through the filter plate 32 for axial positioning of the filter plate 32. The rotating disk 34 is fixedly connected to the outside of the rotating rod 33. The end is designed for easy rotation and pull-out operation by the user. The limiting component 36 is located on the pipe wall of the pipe 31 and is used to lock the rotating rod 33 in an unlockable manner. The limiting component 36 includes a limiting buckle 362 that can be installed radially telescopically, a telescopic rod 35 that is linked with the limiting buckle 362 to retract, and a spring 361 for driving the limiting buckle 362 to return to the rotating rod 33. The spring 361 is sleeved on the telescopic rod 35. One end of the telescopic rod 35 is connected to the limiting buckle 362. Under the elastic force of the spring 361, the tip of the limiting buckle 362 can extend into the inside of the pipe 31 and lock into the rod wall of the rotating rod 33, thereby achieving axial limiting of the rotating rod 33.

[0023] Reference Figure 3The rotating rod 33 has a groove on its wall for engaging the limiting buckle 362. The limiting buckle 362 has a corresponding bevel that matches the wall of the rotating rod 33. In the locked state, the spring 361 is in a naturally extended state, and its elastic force pushes the limiting buckle 362 through the telescopic rod 35, causing the tip of the limiting buckle 362 to engage in the groove of the rotating rod 33. At this time, the limiting buckle 362 forms a stable axial limit on the rotating rod 33, thereby fastening the filter plate 32 to the predetermined position of the pipe 31. When it is necessary to remove the filter plate 32, the operator rotates the rotating disk 34, which drives the rotating rod 362 to engage the limiting buckle 362. 3. During synchronous rotation, the wall of the rotating rod 33 will press against the bevel on the limit buckle 362. Due to the effect of the bevel, the rotational force of the rotating rod 33 is converted into a force that forces the limit buckle 362 to move radially outward along the pipe 31. The force overcomes the elastic force of the spring 361 and compresses the spring 361 until the limit buckle 362 is completely removed from the groove of the rotating rod 33. At this time, the axial limit on the rotating rod 33 is released, and the operator can pull the rotating disk 34 outward to completely pull out the rotating rod 33, thereby releasing the filter plate 32. The entire unlocking process does not require any tools and is extremely convenient to operate.

[0024] In a preferred embodiment, to make the reset action of the limit buckle 362 more reliable, a spring 361 is sleeved on the telescopic rod 35. One end of the spring 361 abuts against the pipe wall of the pipe 31, and the other end abuts against the end of the telescopic rod 35 connected to the limit buckle 362, thereby providing the limit buckle 362 with a continuous and stable radial reset elastic force.

[0025] As another preferred embodiment, in order to reduce vibration loss when the device moves on uneven ground, the device also includes a base 46 and a buffer mechanism 4 connected between the support 1 and the base 46. The buffer mechanism 4 can effectively absorb the impact force from the ground.

[0026] Specifically, in order to achieve efficient buffering and conversion, the buffering mechanism 4 includes a connecting block 41, which is fixed to the bottom of the support base 1; a swing plate 43 is rotatably connected to the connecting block 41 via a rotating shaft 42; a sliding plate 45 is slidably installed in the base 46; and a connecting rod 44, one end of which is rotatably connected to the swing plate 43, and the other end of which is rotatably connected to the sliding plate 45.

[0027] To further improve the stability and load-bearing capacity of the buffer structure, two connecting blocks 41 are symmetrically fixed at the bottom of the support base 1 along its width direction, and the swing plate 43 is rotatably connected between the two connecting blocks 41 through two rotating shafts 42.

[0028] In order to effectively absorb the impact force, the buffer mechanism 4 also includes a second spring 48, which is located between the sliding plate 45 and the base 46. At the same time, the buffer mechanism 4 also includes a support rod 47, which is fixed on the base 46 and points towards the sliding plate 45. The second spring 48 is sleeved on the outer periphery of the support rod 47, providing stable guidance for the reciprocating compression and rebound of the second spring 48.

[0029] The working principle is as follows: When the filter plate 32 inside the pipe 31 needs to be disassembled and maintained, the operator rotates the rotating disk 34. The rotating disk 34 drives the rotating rod 33 to rotate synchronously. When rotating, the rod wall of the rotating rod 33 will press the bevel on the limit buckle 362, thereby forcing the limit buckle 362 to overcome the elastic force of the spring 361 and compress the spring 361, so that the limit buckle 362 will disengage from the groove of the rotating rod 33. At this time, the axial limit of the rotating rod 33 is released, and the operator can directly pull out the rotating rod 33 to release the filter plate 32. The operation is reversed when installing. After inserting the rotating rod 33, it is rotated. When the groove is aligned with the limit buckle 362, the spring 361 automatically resets and pushes the limit buckle 362 into the groove to complete the locking. Through this synergistic effect of the rotating rod 33 and the limit component 36, this utility model solves the problem of complicated and time-consuming disassembly and maintenance of the filter device in the prior art.

[0030] When the device moves and shakes on uneven field ground, the shaking force is transmitted from the support base 1 to the connecting block 41. The connecting block 41 drives the swing plate 43 to swing around the rotating shaft 42. The swing plate 43 pushes the sliding plate 45 to slide in the base 46 through the connecting rod 44. During the sliding process, the sliding plate 45 will squeeze the second spring 48 sleeved on the support rod 47. The second spring 48 undergoes elastic deformation, thereby absorbing and buffering the impact energy from the ground. Through this energy conversion function of the buffer mechanism 4, the present invention solves the problem that the core components of the fertilizer application device are easily damaged by field bumps in the prior art.

Claims

1. An automatic fertilization device for field crop cultivation, comprising a support base (1), a fertilizer box (2) fixed on the support base (1), a pipe (31), and a filter plate (32) disposed within the pipe (31), characterized in that, The device further includes a quick-release mechanism (3) for fixing and releasing the filter plate (32), the quick-release mechanism (3) comprising: A rotating rod (33) is rotatably and removably inserted through the pipe (31) and through the filter plate (32). Rotating disk (34), the rotating disk (34) is fixedly connected to one end of the rotating rod (33); And a limiting component (36) is provided on the pipe wall of the pipe (31). The limiting component (36) includes a limiting buckle (362) that can be radially telescopically installed, a telescopic rod (35) that is linked with the limiting buckle (362) to retract, and a spring (361) for driving the limiting buckle (362) to return to the rotating rod (33). The limiting buckle (362) is used to unlockably engage with the rod wall of the rotating rod (33) to axially limit the rotating rod (33).

2. The automatic fertilizer applicator for field crop planting according to claim 1, wherein The rotating rod (33) has a groove on its wall for engaging the limiting buckle (362); and the limiting buckle (362) has an oblique opening that engages with the wall of the rotating rod (33). When the rotating rod (33) rotates, it presses the oblique opening through its wall so that the limiting buckle (362) overcomes the elastic force of the spring (361) and retracts and disengages from the groove.

3. The automatic fertilizer applicator for field crop planting according to claim 1, wherein The spring (361) is sleeved on the telescopic rod (35). One end of the spring (361) abuts against the wall of the pipe (31), and the other end abuts against the end of the telescopic rod (35) connected to the limit buckle (362).

4. The automatic fertilizer applicator for field crop planting according to claim 1, wherein The device also includes a base (46) and a buffer mechanism (4) connected between the support (1) and the base (46).

5. The automatic fertilizer applicator for field crop planting according to claim 4, wherein The buffer mechanism (4) includes: A connecting block (41) is fixed to the bottom of the support base (1); A swing plate (43) is rotatably connected to the connecting block (41) via a rotating shaft (42). A sliding plate (45) is slidably mounted inside the base (46); And a connecting rod (44), one end of which is rotatably connected to the swing plate (43) and the other end is rotatably connected to the sliding plate (45).

6. The automatic fertilizer applicator for field crop planting according to claim 5, wherein The buffer mechanism (4) further includes a second spring (48), which is located between the sliding plate (45) and the base (46) to absorb impact force when the sliding plate (45) slides.

7. The automatic fertilization device for field crop planting according to claim 6, characterized in that, The buffer mechanism (4) further includes a support rod (47), which is fixed on the base (46) and points towards the sliding plate (45), and the second spring (48) is sleeved on the outer periphery of the support rod (47).

8. The automatic fertilizer applicator for field crop planting according to claim 5, wherein The support base (1) has two connecting blocks (41) fixed symmetrically along its width direction at its bottom, and the swing plate (43) is rotatably connected between the two connecting blocks (41) through two rotating shafts (42).

Images