Double-disc fertilizing device for seeding machine
By designing a double disc fertilization device on the seeder, the soil disturbance and dragging problems of single disc fertilization under light or non-till conditions are solved, and better ridge effect and sowing depth consistency are achieved, improving the User satisfaction and owner income.
Patent Information
- Application Number
- CN202420025942.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-03
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-03
AI Technical Summary
The single disk fertilization of heavy-duty no-till seeders under light or non-till conditions causes large soil disturbances, poor drag and ridge shapes, affecting the consistency of sowing depth.
Design a double disc fertilization device for seeders, including two discs arranged at an angle, a depth adjustment seat, a spring pull rod and a pressure adjustment nut, and achieves depth adjustment and ground pressure adjustment through articulation and rotation mechanism, and in the circle Inner scraping plates, outer scraping plates and retaining plates are installed between the plates to prevent soil from stagnating.
It improves the ridge effect and sowing quality, reduces soil disturbance, ensures consistency in sowing depth, meets various operational needs, and improves user satisfaction and owner benefits.
Smart Images
Figure CN222235452U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural fertilizing machinery, in particular to a double-disc fertilizing device for a seed drill. Background Art
[0002] The heavy-duty no-tillage precision fertilizer seeder is a no-tillage seeding machine that is compatible with conservation tillage technology. It can complete the following processes at one time: deep side fertilizer application, cleaning of seed bed straw, compaction of seed bed, single seeding, seed fertilizer application, soil covering, and heavy compaction.
[0003] When a heavy-duty no-till seeder is in operation, it will encounter some non-no-till working conditions of flat sowing or ridge sowing. When a single disc fertilizer is used in such working conditions, it will cause great disturbance to the soil, cause pile dragging, and cause poor ridge shape, which will affect the consistency of sowing depth. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a double-disc fertilization device for a seeding machine, which solves the problems of large soil disturbance, dragging piles, poor ridge shape, etc. when a single-disc fertilization device for a no-till machine is used for flat sowing or ridge sowing in light-no-till or non-no-till working conditions, thereby ensuring the sowing depth and sowing effect.
[0005] The utility model solves the above-mentioned technical problem with the following technical solution: A double-disc fertilizing device for a seeder comprises a disc mounting seat, on which two discs arranged at an angle are mounted, and a fertilizing tube with one end extending into between the two discs is fixedly provided on the disc mounting seat; a depth adjustment seat is hingedly provided on the upper portion of the disc mounting seat, a spring pull rod is provided on the depth adjustment seat, the bottom end of the spring pull rod passes through the depth adjustment seat and is hingedly connected to the disc mounting seat, a fertilizing spring is sleeved on the spring pull rod, a pressure adjusting nut is provided on the top end of the spring pull rod, the bottom end of the fertilizing spring abuts against the disc mounting seat, and the top end of the fertilizing spring abuts against the pressure adjusting nut; a fertilizing mounting seat for mounting it on a seeder is fixedly provided on the depth adjustment seat.
[0006] The beneficial effects of the utility model are: replacing the single disc fertilization with the double disc fertilization ensures the ridge effect and the sowing quality, improves the user satisfaction, and increases the machine owner's profit; by adjusting the pressure adjustment nut, the depth and the ground pressure can be adjusted to meet various operation needs; the soil disturbance is small and it is not easy to drag the pile, so as to ensure the consistency of the rear single unit sowing depth.
[0007] On the basis of the above technical solution, the present invention can also be improved as follows.
[0008] Furthermore, the bottom end of the depth adjustment seat is in an inverted U shape, the upper part of the disc mounting seat is arranged in the inverted U-shaped structure at the bottom end of the depth adjustment seat, and the inverted U-shaped structure at the bottom end of the depth adjustment seat is rotatably connected to the upper part of the disc mounting seat through a rotating mechanism.
[0009] The beneficial effect of adopting the above further scheme is that the bottom end of the depth adjustment seat adopts an inverted U-shaped structure, the upper part of the disc mounting seat is arranged in the inverted U-shaped structure, and then connected through a rotating mechanism, which can improve the stability of the connection between the depth adjustment seat and the disc mounting seat.
[0010] Furthermore, the rotating mechanism includes a bearing steel sleeve embedded in the disc mounting seat, and a shaft sleeve whose two ends are fixedly connected to the two side edges of the inverted U-shaped structure at the bottom end of the depth adjustment seat, and the bearing steel sleeve is rotatably arranged in the shaft sleeve.
[0011] The beneficial effect of adopting the above further solution is that the rotational connection between the depth adjustment seat and the disc mounting seat is achieved through the bearing steel sleeve and the shaft sleeve, so that the connection between the depth adjustment seat and the disc mounting seat is more stable.
[0012] Furthermore, the bearing steel sleeve is provided with an oil inlet which is connected to the inner cavity of the bearing steel sleeve.
[0013] The beneficial effect of adopting the above further solution is that by providing an oil inlet, lubricating oil can be injected into between the bearing steel sleeve and the shaft sleeve, thereby improving the lubricity between the two and reducing the friction loss between the two.
[0014] Furthermore, the bottoms of the front sides of the two disks are in contact with each other, and the upper parts of the front sides of the two disks are separated.
[0015] The beneficial effect of adopting the above further solution is: ensuring that the V-shaped grooves are opened during the forward movement of the two discs.
[0016] Furthermore, a retaining plate for blocking the separation gap at the upper part of the front side of the two disks is fixedly provided on the disk mounting seat.
[0017] The beneficial effect of adopting the above further scheme is that the setting of the retaining plate can ensure that when the machine is working, broken soil, stones, etc. will not be stuffed into the middle of the disc through the closing point of the disc, causing the disc to get stuck, locked, etc., resulting in dragging of the pile.
[0018] Furthermore, an inner scraper plate for scraping mud from the inner walls of the two discs is provided between the two discs.
[0019] The beneficial effect of adopting the above further solution is that the inner scraper plate can scrape the soil on the inner walls of the two discs.
[0020] Furthermore, a compression spring is provided between the two inner scraping plates and is used to push the two inner scraping plates to respectively abut against the inner walls of the two discs.
[0021] The beneficial effect of adopting the above further solution is that the arrangement of the compression spring can exert a force on the two inner scraping plates, so that the two inner scraping plates abut against the inner walls of the two discs, thereby ensuring the effect of scraping mud.
[0022] Furthermore, outer scraping plates for scraping mud from the outer walls of the two discs are provided on the outer walls of the two discs.
[0023] The beneficial effect of adopting the above further solution is that the provision of the outer scraper plate can scrape away the soil on the outer walls of the two discs.
[0024] Furthermore, the two outer scraper plates are mounted on the disc mounting seat, the two outer scraper plates are respectively arranged on the outsides of the two discs, and a tension spring is provided between the two outer scraper plates for pulling the two outer scraper plates to respectively abut against the outer walls of the two discs.
[0025] The beneficial effect of adopting the above further solution is that the setting of the tension spring can apply tension to the two outer scraper boards, thereby ensuring the mud scraping effect of the two outer scraper boards. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is the front view of the utility model;
[0027] Figure 2 It is a left view of the utility model;
[0028] Figure 3 It is a right side view of the utility model;
[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0030] 1. Inner scraper plate; 2. Depth adjustment seat; 3. Fertilizer spring; 4. Spring pull rod; 5. Spring pressure pad; 6. Pressure adjustment nut; 7. Fertilizer mounting seat; 8. U-bolt; 9. Disc mounting seat; 10. Disc; 11. Outer scraper plate; 12. Retaining plate; 13. Oil inlet; 14. Bushing; 15. Bearing steel sleeve; 16. Compression spring; 17. Tension spring. DETAILED DESCRIPTION
[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0032] like Figure 1 , Figure 2 , Figure 3As shown, an embodiment of the utility model includes a disc mounting seat 9, on which two discs 10 arranged at an angle are mounted, the bottoms of the front sides of the two discs 10 (the front side of the disc 10 refers to the side of the disc 10 moving forward during use) are fitted, and the upper parts of the front sides of the two discs 10 are separated, and a retaining plate 12 for blocking the separation gap of the upper parts of the front sides of the two discs 10 is fixedly provided on the disc mounting seat 9, and a fertilizer pipe with one end extending into between the two discs 10 is fixedly provided on the disc mounting seat 9, and the other end of the fertilizer pipe is used to be connected to a fertilizer spreader, and after the disc 10 opens a V-shaped groove, the fertilizer spreader directly applies fertilizer into the V-shaped groove through the fertilizer pipe.
[0033] The upper part of the disc mounting seat 9 is hinged with a depth adjustment seat 2, and a spring pull rod 4 is provided on the depth adjustment seat 2. The bottom end of the spring pull rod 4 passes through the depth adjustment seat 2 and is hinged with the disc mounting seat 9. A fertilizer spring 3 is sleeved on the spring pull rod 4, and a pressure adjustment nut 6 is provided at the top of the spring pull rod 4. The bottom end of the fertilizer spring 3 abuts on the disc mounting seat 9, and the top end of the fertilizer spring 3 abuts on the pressure adjustment nut 6; a fertilizer mounting seat 7 for mounting it on the seed drill is fixedly provided on the depth adjustment seat 2, and a U-bolt 8 for mounting the fertilizer mounting seat 7 at an appropriate position of the seed drill is provided on the fertilizer mounting seat 7. In this embodiment, the hinged joint between the depth adjustment seat 2 and the disc mounting seat 9 and the hinged joint between the spring pull rod 4 and the disc mounting seat 9 are arranged at intervals in the horizontal direction.
[0034] In an embodiment of the utility model, the bottom end of the depth adjustment seat 2 is in an inverted U-shape, and the upper part of the disc mounting seat 9 is arranged in the inverted U-shaped structure at the bottom end of the depth adjustment seat 2. The inverted U-shaped structure limits the left and right sides of the upper part of the disc mounting seat 9. The inverted U-shaped structure at the bottom end of the depth adjustment seat 2 is rotatably connected to the upper part of the disc mounting seat 9 through a rotating mechanism. The bottom end of the depth adjustment seat 2 adopts an inverted U-shaped structure, and the upper part of the disc mounting seat 9 is arranged in the inverted U-shaped structure, and then connected through a rotating mechanism, which can improve the stability of the connection between the depth adjustment seat 2 and the disc mounting seat 9.
[0035] Specifically, the rotating mechanism includes a bearing steel sleeve 15 embedded in the disc mounting seat 9, and a shaft sleeve 14 whose two ends are fixedly connected to the two side edges of the inverted U-shaped structure at the bottom end of the depth adjustment seat 2. The bearing steel sleeve 15 is provided with an oil inlet 13 connected to the inner cavity of the bearing steel sleeve 15. By setting the oil inlet 13, lubricating oil can be injected between the bearing steel sleeve 15 and the shaft sleeve 14 to improve the lubricity between the two and reduce the friction loss between the two; the bearing steel sleeve 15 is rotatably arranged in the shaft sleeve 14, and the rotational connection between the depth adjustment seat 2 and the disc mounting seat 9 is realized through the bearing steel sleeve 15 and the shaft sleeve 14, so that the connection between the depth adjustment seat 2 and the disc mounting seat 9 is more stable.
[0036] In the embodiment of the utility model, an inner scraper plate 1 for scraping mud from the inner walls of the two discs 10 is provided between the two discs 10, and a compression spring 16 for pushing the two inner scraper plates 1 to respectively abut against the inner walls of the two discs 10 is provided between the two inner scraper plates 1. The arrangement of the compression spring 16 can exert a force on the two inner scraper plates 1, so that the two inner scraper plates 1 abut against the inner walls of the two discs 10, thereby ensuring the effect of scraping mud.
[0037] In an embodiment of the utility model, an outer scraper plate 11 for scraping mud from the outer walls of the two discs 10 is provided on the outer walls of the two discs 10, the two outer scraper plates 11 are installed on the disc mounting seat 9, the two outer scraper plates 11 are respectively arranged on the outer sides of the two discs 10, and a tension spring 17 for pulling the two outer scraper plates 11 to respectively abut against the outer walls of the two discs 10 is provided between the two outer scraper plates 11. The setting of the tension spring 17 can apply tension to the two outer scraper plates 11 to ensure the scraping effect of the two outer scraper plates 11.
[0038] First, the inner scraper plate 1 is mounted on the disc mounting seat 9 through the compression spring 16, bolts, etc., and then the disc 10 is mounted on the disc mounting seat 9 so that the edge of the inner scraper plate 1 is in line contact with the inner surface of the disc 10, and then the outer scraper plate 11 is mounted on the disc mounting seat 9 through the tension spring 17 so that the outer scraper plate 11 is in line contact with the outer surface of the disc 10, and then the retaining plate 12 is connected to the disc mounting seat 9, and then the spring pull rod 4 is inserted into the depth adjustment seat 2, and the spring pull rod 4 is hinged to the disc mounting seat 9 with bolts, and then the outer scraper plate 11 is mounted on the disc mounting seat 9 through the tension spring 17. The depth adjustment seat 2 is hinged with the disc mounting seat 9 by using a shaft sleeve 14 and bolts, and then the fertilization spring 3 and the spring pressure pad 5 are inserted into the spring pull rod 4 in turn, and the pressure adjustment nut 6 is screwed into the spring pull rod 4 to make the fertilization spring 3 have a certain amount of compression, and then the assembled parts are connected with the fertilization mounting seat 7 by bolts, and finally the assembled fertilization parts are installed to the appropriate position of the seed drill through the U-bolt 8, and the fertilizer discharger on the fertilizer box is connected with the fertilizer pipe at the rear of the disc mounting seat 9 through the fertilizer hose, and the installation is completed. After the fertilization parts are installed on the seed drill, when the seed drill is in operation, when the disc 10 cuts into the soil, the pressure provided by the fertilization spring 3 is used to open a V-shaped groove, and the fertilizer falls into the fertilizer groove through the fertilizer pipe at the rear of the disc mounting seat 9 to realize the fertilization operation; if the fertilization parts are too shallow in the soil, the pressure adjustment nut 6 can be screwed in to make the fertilization spring 3 have a larger amount of compression, or the depth adjustment seat 2 and the fertilization mounting seat 7 are adjusted to move the fertilization parts downward to increase the depth of soil entry.
[0039] In the description of the present invention, it should be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inside", "outside", "peripheral", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred system or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0040] In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0041] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A double disc fertilizing device for a seeder, characterized in that: The invention comprises a disc mounting seat (9), on which two discs (10) arranged at an angle are mounted, and a fertilizer pipe having one end extending between the two discs (10) is fixedly mounted on the disc mounting seat (9); a depth adjustment seat (2) is hingedly mounted on the upper part of the disc mounting seat (9), a spring pull rod (4) is arranged on the depth adjustment seat (2), the bottom end of the spring pull rod (4) passes through the depth adjustment seat (2) and is hingedly mounted with the disc mounting seat (9), a fertilizer spring (3) is sleeved on the spring pull rod (4), a pressure adjustment nut (6) is arranged at the top end of the spring pull rod (4), the bottom end of the fertilizer spring (3) abuts against the disc mounting seat (9), and the top end of the fertilizer spring (3) abuts against the pressure adjustment nut (6); a fertilizer mounting seat (7) for mounting the depth adjustment seat (2) on a seed drill is fixedly mounted.
2. A double disc fertilizing device for a seeder according to claim 1, characterized in that: The bottom end of the depth adjustment seat (2) is in an inverted U shape, the upper portion of the disc mounting seat (9) is arranged in the inverted U-shaped structure at the bottom end of the depth adjustment seat (2), and the inverted U-shaped structure at the bottom end of the depth adjustment seat (2) is rotatably connected to the upper portion of the disc mounting seat (9) via a rotating mechanism.
3. A double disc fertilizing device for a seeder according to claim 2, characterized in that: The rotating mechanism comprises a bearing steel sleeve (15) embedded in the disc mounting seat (9), and a shaft sleeve (14) whose two ends are respectively fixedly connected to the two side edges of the inverted U-shaped structure at the bottom end of the depth adjustment seat (2), and the bearing steel sleeve (15) is rotatably arranged in the shaft sleeve (14).
4. A double disc fertilizing device for a seeder according to claim 3, characterized in that: The bearing steel sleeve (15) is provided with an oil inlet (13) which is in communication with the inner cavity of the bearing steel sleeve (15).
5. A double disc fertilizing device for a seeder according to any one of claims 1 to 4, characterized in that: The bottoms of the front sides of the two discs (10) are in contact with each other, and the upper parts of the front sides of the two discs (10) are separated.
6. A double disc fertilizing device for a seeder according to claim 5, characterized in that: A retaining plate (12) for blocking the separation gap at the upper part of the front side of the two disks (10) is fixedly provided on the disk mounting seat (9).
7. A double disc fertilizing device for a seeder according to any one of claims 1 to 4, characterized in that: An inner scraper plate (1) for scraping mud from the inner walls of the two discs (10) is provided between the two discs (10).
8. A double disc fertilizing device for a seeder according to claim 7, characterized in that: A compression spring (16) is provided between the two inner scraping plates (1) and is used to push the two inner scraping plates (1) to respectively abut against the inner walls of the two discs (10).
9. A double disc fertilizing device for a seeder according to any one of claims 1 to 4, characterized in that: External scraping plates (11) for scraping mud from the outer walls of the two discs (10) are provided on the outer walls of the two discs (10).
10. A double disc fertilizing device for a seeder according to claim 9, characterized in that: The two outer scraping plates (11) are mounted on the disc mounting seat (9), and the two outer scraping plates (11) are respectively arranged on the outside of the two discs (10). A tension spring (17) is arranged between the two outer scraping plates (11) for pulling the two outer scraping plates (11) to respectively abut against the outer walls of the two discs (10).