Universal soil covering disc

Abstract

The universal soil covering disc comprises a disc body and universal joints, the disc body is connected with the universal joints through a main shaft, the universal joints comprise the first universal joint and the second universal joint, the main shaft is connected with the first universal joint, the first universal joint is connected with the second universal joint, a first adjusting opening is formed in the first universal joint, and a second adjusting opening is formed in the second universal joint. And a second adjusting opening is formed in the second universal joint. The first universal joint and the second universal joint are respectively provided with the first adjusting port and the second adjusting port, and the second universal joint can adjust the inclination angle of the disc surface of the soil covering disc and adjust the soil penetrating depth in the vertical direction, so that the soil turning effect is achieved; the first universal joint can adjust the direction angle between the soil covering disc and the disc face in the advancing direction, and the purpose of adjusting the soil covering amount is achieved; according to the whole device, the soil covering depth and the soil covering amount are adjusted, the field is uniformly covered with soil, the soil covering uniformity is improved, and the device can adapt to soil types and terrains with different humidity and hardness and is high in adaptability.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and equipment, in particular to a universal soil covering plate. Background Art

[0002] During the sowing process of field crops, the emergence rate of seeds is affected by many factors, among which the quality and uniformity of soil cover are one of the key factors. Soil covering during sowing under drought conditions can promote the rise of capillaries at the bottom of the seed furrow, ensure the water required for seed germination, keep the soil moist, regulate the surface temperature, and prevent the topsoil from hardening and weeds from growing.

[0003] The covering disc has two major functions during sowing operations: one is tillage, which allows the upper and lower layers of soil to exchange by turning over the surface soil layer, so that the nutrients in the soil are more evenly distributed, improving soil fertility and creating better conditions for crop growth; the other is deep tillage, and the covering disc can also be used for deep tillage operations. Its function is to plow the topsoil to a certain depth so that the nutrients in the deep soil can be distributed to the surface soil, ensuring the nutrient supply to the crop roots.

[0004] Traditional soil covering devices have the following shortcomings: First, the adjustment function is single: the adjustment device of the traditional soil covering plate has a single function, generally only the inclination angle of the plate or the direction angle of the plate, and can only adjust the covering depth or covering width; second, the adjustment method is complicated: the adjustment device of the traditional soil covering plate is complicated to operate, and several tools are required during operation, which makes the adjustment very troublesome and labor-intensive. Utility Model Content

[0005] Therefore, one purpose of the utility model is to provide a universal soil covering plate to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A universal soil covering plate comprises a plate body and a universal joint, wherein the plate body is connected to the universal joint via a main shaft, the universal joint comprises a first universal joint and a second universal joint, the main shaft is connected to the first universal joint, the first universal joint is connected to the second universal joint, the first universal joint is provided with a first adjustment port, and the second universal joint is provided with a second adjustment port.

[0008] Furthermore, the first universal joint includes a first joint plate and a second joint plate, the first joint plate and the second joint plate are perpendicular to each other, the first adjustment port is arranged on the second joint plate, and the shape of the first adjustment port is arc.

[0009] Furthermore, the second universal joint includes a third joint plate and a fourth joint plate, the third joint plate and the fourth joint plate are perpendicular to each other, the second adjustment port is arranged on the fourth joint plate, and the shape of the second adjustment port is arc.

[0010] Furthermore, the universal covering plate also includes a first fastener and a second fastener, the second joint plate is provided with a first mounting hole, the third joint plate is provided with a second mounting hole and a third mounting hole, the first fastener passes through the first mounting hole and the second mounting hole to connect the second joint plate and the third joint plate, and the second fastener passes through the first adjustment port and the third mounting hole to connect the second joint plate and the third joint plate.

[0011] Furthermore, the shape of the disk body is a concave circle, a blade is provided on the edge of the disk body, and a plurality of grooves are provided on the disk body. The grooves extend from the surface of the disk body to the edge of the disk body, and the plurality of grooves are evenly distributed on the disk body.

[0012] Further, the first joint plate and the second joint plate are integrated, and the third joint plate and the fourth joint plate are integrated.

[0013] Furthermore, the main shaft is connected to the middle position of the convex surface of the disk body, and the disk body can rotate around the main shaft.

[0014] Furthermore, the fourth joint plate is provided with a fourth mounting hole, and the fourth mounting hole and the second adjustment port are used to be connected to a power connecting member of the seeder.

[0015] Furthermore, the first fastener and the second fastener are specifically screws and nuts.

[0016] Therefore, the utility model has the following beneficial effects:

[0017] The utility model discloses a universal soil covering plate, comprising a first universal joint and a second universal joint, which are respectively provided with a first adjusting port and a second adjusting port. The second universal joint can adjust the inclination angle of the soil covering plate surface, and adjust the soil penetration depth in the vertical direction, so as to play the role of turning the soil; the first universal joint can adjust the direction angle of the soil covering plate surface with respect to the forward direction, so as to achieve the purpose of adjusting the soil covering amount; the whole device realizes the adjustment of the soil covering depth and the soil covering amount, covers the soil evenly on the field, increases the uniformity of the soil covering, can adapt to soil types and terrains with different humidity and hardness, and has strong adaptability; in addition, the universal joint is connected by fasteners, namely screws and nuts, and the soil covering plate can be adjusted by only an adjustable wrench, which is simple and convenient.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 This is a schematic diagram of the overall structure of the universal soil covering plate of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the universal soil covering plate of the utility model from another perspective;

[0022] Figure 3 This is a schematic diagram of the structure of the soil covering plate + main shaft of the utility model;

[0023] Figure 4 This is a structural schematic diagram of the soil covering plate + main shaft of the utility model from another perspective;

[0024] Figure 5 It is a schematic diagram of the overall structure of the universal joint of the utility model;

[0025] Figure 6 This is a schematic diagram of the overall structure of the universal joint of the utility model from another perspective;

[0026] Figure 7 It is a structural schematic diagram of the first universal joint of the utility model;

[0027] Figure 8 It is a structural schematic diagram of the first universal joint of the utility model from another perspective;

[0028] Fig. 9 It is a structural schematic diagram of the second universal joint of the utility model;

[0029] Fig.10 It is a structural schematic diagram of the second universal joint of the utility model from another perspective.

[0030] In the figure: 1, disk body; 2, universal joint; 3, main shaft; 4, blade; 5, slot; 6, first universal joint; 7, second universal joint; 8, first fastener; 9, second fastener; 10, first joint plate; 11, second joint plate; 12, first adjustment port; 13, first mounting hole; 14, fifth mounting hole; 15, third joint plate; 16, fourth joint plate; 17, second adjustment port; 18, second mounting hole; 19, third mounting hole; 20, fourth mounting hole. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1-Figure 10 As shown, a universal soil covering plate includes a plate body 1 and a universal joint 2. The plate body 1 is connected to the universal joint 2 through a main shaft 3. The universal joint 2 includes a first universal joint 6 and a second universal joint 7. The main shaft 3 is connected to the first universal joint 6, and the first universal joint 6 is connected to the second universal joint 7. The first universal joint 6 is provided with a first adjustment port 12, and the second universal joint 7 is provided with a second adjustment port 17.

[0034] The utility model discloses a universal soil covering plate, comprising a first universal joint 6 and a second universal joint 7, which are respectively provided with a first adjustment port 12 and a second adjustment port 17. The second universal joint 7 can adjust the inclination angle of the soil covering plate surface, and adjust the soil penetration depth in the vertical direction, thereby playing the role of turning the soil; the first universal joint 6 can adjust the direction angle of the soil covering plate surface with respect to the forward direction, so as to achieve the purpose of adjusting the soil covering amount; the whole device realizes the adjustment of the soil covering depth and the soil covering amount, covers the soil evenly on the field, increases the uniformity of the soil covering, can adapt to soil types and terrains with different humidity and hardness, and has strong adaptability.

[0035] like Figure 7 and Figure 8 As shown, the first universal joint 6 includes a first joint plate 10 and a second joint plate 11 , the first joint plate 10 and the second joint plate 11 are perpendicular to each other, and a first adjustment port 12 is provided on the second joint plate 11 , and the shape of the first adjustment port 12 is arc-shaped.

[0036] like Fig. 9 and Fig.10 As shown, the second universal joint 7 includes a third joint plate 15 and a fourth joint plate 16 , the third joint plate 15 and the fourth joint plate 16 are perpendicular to each other, the second adjustment port 17 is provided on the fourth joint plate 16 , and the shape of the second adjustment port 17 is arc-shaped.

[0037] like Figure 5 and Figure 6 As shown, the universal covering plate also includes a first fastener 8 and a second fastener 9, the second joint plate 11 is provided with a first mounting hole 13, and the third joint plate 15 is provided with a second mounting hole 18 and a third mounting hole 19. The first fastener 8 passes through the first mounting hole 13 and the second mounting hole 18 to connect the second joint plate 11 and the third joint plate 15, and the second fastener 9 passes through the first adjustment port 12 and the third mounting hole 19 to connect the second joint plate 11 and the third joint plate 15.

[0038] Specifically, the first fastener 8 and the second fastener 9 are screws and nuts.

[0039] The universal joint 2 of the utility model is connected by fasteners, namely screws and nuts, and the soil covering plate can be adjusted by only an adjustable spanner, which is simple and convenient.

[0040] As an implementation manner, the second mounting hole 18 and the third mounting hole 19 have the same hole diameter.

[0041] As an implementation manner, the diameter of the second mounting hole 18 is larger than the diameter of the third mounting hole 19 .

[0042] As an implementation manner, the diameter of the second mounting hole 18 is smaller than the diameter of the third mounting hole 19 .

[0043] That is to say, the present invention does not impose any specific restrictions on the aperture size relationship between the second mounting hole 18 and the third mounting hole 19. The aperture size relationship between the second mounting hole 18 and the third mounting hole 19 can be selectively set according to the actual application scenario. Any aperture size relationship between the second mounting hole 18 and the third mounting hole 19 that can be used to connect the first universal joint 6 with the second universal joint 7 is within the protection scope of the present invention.

[0044] As an implementation manner, the diameter of the first mounting hole 13 is the same as the diameter of the second mounting hole 18 .

[0045] Specifically, the screw and nut in the first fastener 8 are adapted to the hole diameter of the first mounting hole 13 .

[0046] Specifically, the screw and nut in the second fastener 9 are adapted to the aperture of the third mounting hole 19 .

[0047] like Figure 3 and Figure 4 As shown, the shape of the disk body 1 is a concave circle, a blade 4 is provided at the edge of the disk body 1, and a plurality of slots 5 are provided on the disk body 1. The slots 5 extend from the surface of the disk body 1 to the edge of the disk body 1 at the blade 4, and the plurality of slots 5 are evenly distributed on the disk body 1.

[0048] Specifically, the disc body 1 is a part of a spherical circle, and four blades are opened at the edge of the convex surface of the disc, which can effectively improve the soil cutting performance.

[0049] Specifically, the grooves / notches 5 are formed on the surface of the disc body 1 to improve the soil-removing performance of the disc.

[0050] Specifically, Figure 3 and Figure 4 As shown, the slot 5 is arc-shaped.

[0051] As an implementation method, Figure 3 As shown, there are specifically 8 grooves / notches 5 on the disc body 1.

[0052] As an implementation method, Figure 3 As shown, there are specifically 10 grooves / notches 5 on the disc body 1.

[0053] As an implementation method, Figure 3 As shown, there are specifically 7 grooves / notches 5 on the disc body 1.

[0054] That is to say, the specific number of grooves / notches 5 on the disc body 1 can be selectively set according to factors such as the size and material of the disc body 1. The utility model does not impose specific restrictions on the number of grooves / notches 5 on the disc body 1. Any number of grooves / notches 5 that can effectively improve the soil cutting performance of the disc body 1 is within the protection scope of the utility model.

[0055] As an implementation manner, the first joint plate 10 and the second joint plate 11 are integrated, and the third joint plate 15 and the fourth joint plate 16 are integrated.

[0056] As a specific implementation, the first joint plate 10 and the second joint plate 11 of the first universal joint 6 and the third joint plate 15 and the fourth joint plate 16 of the second universal joint 7 may be integrally formed by a metallurgical injection molding process.

[0057] As another specific implementation, the first joint plate 10 and the second joint plate 11 of the first universal joint 6 and the third joint plate 15 and the fourth joint plate 16 of the second universal joint 7 may also be separate plates welded together by a welding process.

[0058] like Figure 1 , Figure 2 and Figure 3 As shown, the main shaft 3 is connected to the middle position of the convex surface of the disk body 1, and the disk body 1 can rotate around the main shaft 3. Figure 3 The convex surface of the disk 1 is shown. Figure 4 The concave surface of the disk body 1 is shown.

[0059] Furthermore, a fourth mounting hole 20 is provided on the fourth joint plate 16, and the fourth mounting hole 20 and the second adjustment port 17 are used to be connected to a power connection member of the seed drill.

[0060] like Figure 7 As shown, one end of the second joint plate 11 is connected to one end of the first joint plate 10, and the first adjustment port 12 provided on the second joint plate 11 is located away from the end connected to the first joint plate 10, as shown in FIG. Fig. 9 As shown, one end of the fourth joint plate 16 is connected to one end of the third joint plate 15, and the second adjustment port 17 provided on the fourth joint plate 16 is located on one side of the fourth joint plate 16, as shown in FIG. Figure 1 and Figure 2 As shown, when the first universal joint 6, the second universal joint 7, and the disk body 1 are assembled together, the first fastener 8 and the second fastener 9 are loosened, and the second joint plate 11 of the first universal joint 6 can rotate along the arc-shaped first adjustment port 12, thereby driving the disk body 1 to rotate; similarly, the fourth joint plate 16 is connected to the power connecting member (not shown in the figure) of the seed drill through the third fastener, the fourth fastener (not shown in the figure), the fourth mounting hole 20, and the second adjustment port 17. Loosen the third fastener and the fourth fastener, and the fourth joint plate 16 of the second universal joint 7 can rotate along the arc-shaped second adjustment port 17, thereby driving the disk body 1 to rotate, thereby realizing the adjustment of the soil covering plate.

[0061] The first universal joint 6 is used to adjust the inclination angle of the disc plane of the covering disc relative to the ground, that is, the disc surface inclination angle, and the first adjustment port adjusts the disc surface inclination angle of the covering disc; the second universal joint 7 adjusts the angle between the disc plane of the covering disc and the forward direction of the unit, that is, the disc surface direction angle, and the second adjustment port is used to adjust the disc surface direction angle of the covering disc.

[0062] like Figure 7 and Figure 8 As shown, a fifth mounting hole 14 is further provided on the first joint plate 10 , and the fifth mounting hole 14 is used to be connected to the main shaft 3 .

[0063] The soil covering disc of the seeder is an important component of the seeder, and its main function is to cover the soil on the surface of the seed after sowing. When the seeder moves forward in the farmland, the universal soil covering disc will rotate clockwise and evenly cover the soil above the seeds. The soil covering disc of the seeder is a part of a spherical disc, and a cutting edge is opened at the edge of the convex surface of the disc to improve the soil cutting performance of the soil covering disc. A groove is opened on the surface of the disc body 1 to improve the soil removal performance of the disc. The soil covering disc rotates, the cutting edge on the outer edge surface enters the soil, and the concave surface cuts and pushes the soil. As the seeder unit moves forward, the soil is covered on the surface of the seed. The adjustment arc opening (second adjustment opening 17) of the second universal joint 7 can allow the disc body 1 to adjust and rotate around the Z axis to a certain extent, and the adjustment arc opening (first adjustment opening 12) of the first universal joint 6 can allow the disc body 1 to adjust and rotate around the X axis to a certain extent, respectively adjusting the soil entry angles of the soil covering disc body 1 in the vertical and horizontal directions, so as to control the thickness and uniformity of the soil cover. The tractor provides power to drive the covering disc to rotate; the covering disc pushes soil, fertilizer and other materials to the concave surface and piles them up, covering the seed furrow to achieve covering operation.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" 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 representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0065] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0066] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal soil covering plate, characterized in that: It includes a disc body and a universal joint, the disc body is connected to the universal joint through a main shaft, the universal joint includes a first universal joint and a second universal joint, the main shaft is connected to the first universal joint, the first universal joint is connected to the second universal joint, the first universal joint is provided with a first adjustment port, and the second universal joint is provided with a second adjustment port.

2. A universal soil covering plate according to claim 1, characterized in that: The first universal joint includes a first joint plate and a second joint plate, the first joint plate and the second joint plate are perpendicular to each other, the first adjustment port is arranged on the second joint plate, and the shape of the first adjustment port is arc.

3. A universal soil covering plate according to claim 2, characterized in that: The second universal joint includes a third joint plate and a fourth joint plate, the third joint plate and the fourth joint plate are perpendicular to each other, the second adjustment port is arranged on the fourth joint plate, and the shape of the second adjustment port is arc.

4. A universal soil covering plate according to claim 3, characterized in that: It also includes a first fastener and a second fastener, the second joint plate is provided with a first mounting hole, the third joint plate is provided with a second mounting hole and a third mounting hole, the first fastener passes through the first mounting hole and the second mounting hole to connect the second joint plate and the third joint plate, and the second fastener passes through the first adjustment port and the third mounting hole to connect the second joint plate and the third joint plate.

5. A universal soil covering plate according to any one of claims 1 to 4, characterized in that: The disc body is in the shape of a concave circle, a blade is arranged at the edge of the disc body, a plurality of slots are arranged on the disc body, the slots extend from the surface of the disc body to the edge of the disc body, and the plurality of slots are evenly distributed on the disc body.

6. A universal soil covering plate according to claim 3 or 4, characterized in that: The first joint plate and the second joint plate are integral, and the third joint plate and the fourth joint plate are integral.

7. The universal soil covering plate according to claim 5, characterized in that: The main shaft is connected to the middle position of the convex surface of the disk body, and the disk body can rotate around the main shaft.

8. The universal soil covering plate according to claim 3, characterized in that: The fourth joint plate is provided with a fourth mounting hole, and the fourth mounting hole and the second adjusting port are used to be connected to a power connecting member of the seeder.

9. The universal soil covering plate according to claim 4, characterized in that: The first fastener and the second fastener are specifically a screw and a nut.

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