Seeding ditching harrow with adjustable tooth spacing

Abstract

The utility model relates to the technical field of seeding furrowing harrows, in particular to a seeding furrowing harrow with adjustable tooth spacing, which comprises a furrowing harrow cross beam and a transverse plate, the transverse plate is arranged in the furrowing harrow cross beam, a plurality of groups of positioning holes are arranged in the transverse plate at equal intervals, the spacing between two groups of positioning holes is 10cm, and the distance between two groups of positioning holes is 10cm. A plurality of sets of lengthened threaded rods are arranged outside the ditching rake cross beam, the lengthened threaded rods all extend out of the positioning holes, the surfaces of the lengthened threaded rods are all sleeved with positioning blocks, through holes are formed in the positioning blocks, and rake tooth bodies are arranged at the bottom ends of the positioning blocks. According to the utility model, the seeding and ditching harrow can be conveniently cut into the ground for efficient ditching operation, flexible control and adjustment of grooves with different tooth spaces are facilitated, flexible independent disassembly and assembly of the harrow teeth are facilitated, the harrow teeth can be conveniently and conveniently replaced after being damaged, the practical performance of the seeding and ditching harrow is improved, and the seeding and ditching harrow is suitable for popularization and application. And the later maintenance cost of the seeding furrowing harrow is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sowing furrowing rakes, in particular to a sowing furrowing rake with adjustable tooth spacing. Background Art

[0002] A harrow is a supporting agricultural tool for crops, used to break up clods of soil and level the ground. Using a harrow after plowing can further refine the soil, remove large clods of soil and debris, make the soil more uniform, and be conducive to seed growth and germination. A furrow opener is a mechanical equipment used in agricultural production, used to open ditches in farmland to facilitate water discharge, irrigation and soil improvement. As one of the important equipment for agricultural modernization, it plays an important role in improving farmland irrigation efficiency, increasing crop yields, and saving labor.

[0003] The furrowing rakes in the current existing technology have a relatively simple structure and cannot adjust the furrowing distance. Since the planting row spacing of different crops is different, the use of traditional furrowing tools is relatively limited, with poor adaptability and a narrow range of use. Based on the above reasons, this application proposes a sowing furrowing rake with adjustable tooth spacing. Utility Model Content

[0004] The purpose of the utility model is to provide a sowing furrowing rake with adjustable tooth spacing, so as to solve the problems in the above-mentioned background technology that the sowing furrowing rake is not convenient for cutting into the ground conveniently to perform efficient furrowing operations, is not convenient for flexible control and adjustment of grooves with different tooth spacings, and is not convenient for flexible independent disassembly and installation of rake teeth, which affects the practical performance of the sowing furrowing rake and affects the maintenance cost of the sowing furrowing rake in the later stage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sowing furrowing rake with adjustable tooth spacing, comprising a furrowing rake crossbeam and a cross plate, the furrowing rake crossbeam being provided with a cross plate, the cross plate being provided with a plurality of equally spaced positioning holes inside, and the spacing between the two groups of positioning holes being 10 cm, the outside of the furrowing rake crossbeam being provided with a plurality of groups of elongated threaded rods, and the elongated threaded rods all extend to the outside of the positioning holes, the surfaces of the elongated threaded rods are all fitted with positioning blocks, the interiors of the positioning blocks are all provided with through holes, the bottom ends of the positioning blocks are all provided with rake tooth bodies, and the rake tooth bodies are fixedly connected to the positioning blocks, the surface of the elongated threaded rods above the cross plate is fitted with a first nut, and the surface of the elongated threaded rods below the cross plate is fitted with a second nut, the bottom ends of the rake tooth bodies are all provided with curved teeth, the outer walls of the curved teeth and the tooth body on both sides are provided with side wing plates, and the inclination angle between the rake tooth body and the curved teeth is 30 degrees.

[0006] Preferably, a third nut is sleeved on the surface of the extended threaded rod below the positioning block, and the third nut is threadedly connected to the extended threaded rod.

[0007] Preferably, a handle is provided on the outside of the furrowing rake cross beam, and a pull rod is symmetrically provided on one end of the handle close to the furrowing rake cross beam.

[0008] Preferably, one end of the pull rod is fixedly connected to the handle, and the other end of the pull rod is fixedly connected to the furrowing rake beam.

[0009] Preferably, a second internal threaded hole is provided inside the handle, and the second internal threaded hole extends to the outside of the handle.

[0010] Preferably, a plurality of groups of extension rods are provided on the outside of the handle, and the diameter of the extension rods is the same as the diameter of the handle.

[0011] Preferably, one end of the extension rod is provided with a thickened threaded rod, and the thickened threaded rod is fixedly connected to the extension rod.

[0012] Preferably, a first internal threaded hole is provided inside the extension rod, and the first internal threaded hole extends to the outside of the extension rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The cam is adapted to move the teeth of the rake so that the blade can be moved easily and precisely, so that the blade can be moved more easily and precisely, and the cam is adapted to move the teeth of the rake so that the blade can be moved more easily and precisely, and the cam is adapted to move the teeth of the rake so that the blade can be moved more easily, and the cam is adapted to move the teeth of the rake so that the blade can be moved more precisely, and the cam is adapted to move the teeth of the rake so that the blade can be moved more precisely, and the cam is adapted to move the teeth of the rake so that the blade can be moved more precisely, and the

[0015] 2. The utility model facilitates the splicing of multiple groups of extension rods together, the splicing of extension rods and handles, the adjustment of the length of the handles and extension rods, and the hand-held use of the staff by inserting one group of thickened threaded rods into the second internal threaded hole and another group of thickened threaded rods into the first internal threaded hole, thereby realizing the convenient adjustment of the hand-grip position of the seeding furrowing rake, facilitating the splicing of different lengths for hand-grip use, and achieving the effect of saving effort through different hand-grip positions.

[0016] 3. The sowing furrowing rake disclosed by the utility model not only enables the sowing furrowing rake to conveniently cut into the ground for efficient furrowing operations, but also facilitates the flexible control and adjustment of grooves with different tooth spacings, facilitates the flexible independent disassembly and installation of rake teeth, and facilitates the convenient replacement of rake teeth after damage, thereby improving the practical performance of the sowing furrowing rake and reducing the later maintenance cost of the sowing furrowing rake. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional explosion structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the three-dimensional exploded structure of the trenching rake beam of the present invention.

[0019] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model.

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the handle of the present invention.

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of the thickened threaded rod of the present invention.

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the rake tooth body of the present invention.

[0024] The following are marked in the figure: 1. Trenching rake beam; 2. Horizontal plate; 3. Positioning hole; 4. Pull rod; 5. First nut; 6. Second nut; 7. Third nut; 8. Rake tooth body; 9. Extended threaded rod; 10. Through hole; 11. Handle; 12. Thickened threaded rod; 13. Extended rod; 14. First internal threaded hole; 15. Second internal threaded hole; 16. Positioning block; 17. Bent tooth; 18. Side wing plate. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0026] Please attend Figure 1-7, a sowing furrowing rake with adjustable tooth spacing, comprising a furrowing rake crossbeam 1 and a cross plate 2, a cross plate 2 is provided inside the furrowing rake crossbeam 1, a plurality of positioning holes 3 with equal spacing are provided inside the cross plate 2, and the spacing between the two groups of positioning holes 3 is 10 cm, a plurality of groups of extended threaded rods 9 are provided on the outside of the furrowing rake crossbeam 1, and the extended threaded rods 9 all extend to the outside of the positioning holes 3, the surfaces of the extended threaded rods 9 are all fitted with positioning blocks 16, the interiors of the positioning blocks 16 are all provided with through holes 10, the bottom ends of the positioning blocks 16 are all provided with rake tooth bodies 8, and the rake tooth bodies 8 are fixedly connected to the positioning blocks 16, the surface of the extended threaded rods 9 above the cross plate 2 is fitted with a first nut 5, and the surface of the extended threaded rods 9 below the cross plate 2 is fitted with a second nut 6, the bottom ends of the rake tooth bodies 8 are all provided with curved teeth 17, and the outer walls of the curved teeth 17 and the tooth body 8 on both sides are provided with side wing plates 18, and the inclination angle between the rake tooth body 8 and the curved teeth 17 is 30 degrees;

[0027] A third nut 7 is sleeved on the surface of the extended threaded rod 9 below the positioning block 16, and the third nut 7 is threadedly connected to the extended threaded rod 9;

[0028] The staff holds the handle 11 and moves it. The handle 11 drives the trenching rake beam 1 to move through the pull rod 4. The trenching rake beam 1 drives multiple groups of extended threaded rods 9, positioning blocks 16, rake tooth bodies 8, and curved teeth 17 to move through the cross plate 2 to facilitate the rake tooth body 8 and the curved teeth 17 to cooperate in trenching operations. The curved teeth 17 adopt a certain bending angle to facilitate rapid cutting into the ground for trenching. The side wing plates 18 adopt the form of side wings to facilitate the smooth formation of grooves. The positioning holes 3 and the through holes 10 are used to facilitate the insertion of the extended threaded rod 9. The first nut 5 and the second nut 6 cooperate to facilitate the fixation of the cross plate 2 and the extended threaded rod 9. The three nuts 7 and the extended threaded rod 9 cooperate to facilitate the fixing of the positioning block 16, to facilitate the flexible installation and disassembly of the rake tooth body 8, to improve the convenience of replacing the rake tooth body 8, and the multiple groups of positioning holes 3 are arranged with equal spacing to facilitate the adjustment of the spacing between each group of rake tooth bodies 8, to facilitate the formation of grooves with different tooth spacings, to achieve the sowing furrowing rake to conveniently cut into the ground for efficient furrowing operations, to facilitate the flexible control and adjustment of grooves with different tooth spacings, to facilitate the flexible independent disassembly and installation of the rake teeth, to facilitate the convenient replacement of the rake teeth after damage, to improve the practical performance of the sowing furrowing rake, and to reduce the maintenance cost of the sowing furrowing rake in the later stage;

[0029] As a further optimization or improvement of the present invention, a handle 11 is provided on the outside of the trenching rake beam 1, and a pull rod 4 is symmetrically provided on one end of the handle 11 close to the trenching rake beam 1;

[0030] As a further optimization or improvement of the present invention, one end of the pull rod 4 is fixedly connected to the handle 11, and the other end of the pull rod 4 is fixedly connected to the furrowing rake beam 1, and a second internal threaded hole 15 is provided inside the handle 11, and the second internal threaded hole 15 extends to the outside of the handle 11;

[0031] As a further optimization or improvement of the present invention, a plurality of extension rods 13 are provided on the outside of the handle 11, and the diameter of the extension rods 13 is the same as that of the handle 11, and one end of the extension rods 13 is provided with a thickened threaded rod 12, and the thickened threaded rod 12 is fixedly connected to the extension rod 13;

[0032] As a further optimization or improvement of the present invention, a first internal threaded hole 14 is provided inside the extension rod 13, and the first internal threaded hole 14 extends to the outside of the extension rod 13;

[0033] By inserting one group of thickened threaded rods 12 into the second internal threaded hole 15 and another group of thickened threaded rods 12 into the first internal threaded hole 14, it is convenient to splice multiple groups of extension rods 13 together, to facilitate the splicing of extension rods 13 and handles 11, to facilitate the adjustment of the length of the handles 11 and extension rods 13, to facilitate hand-held use by staff, and to achieve convenient adjustment of the hand-grip position of the seeding furrowing rake, convenient splicing of different lengths for hand-grip use, and to achieve a labor-saving effect through different hand-grip positions.

[0034] The working principle of the utility model is as follows: first, the handle 11 drives the trenching rake beam 1 to move through the pull rod 4, and the trenching rake beam 1 drives multiple groups of extended threaded rods 9, positioning blocks 16, rake tooth bodies 8, and curved teeth 17 to move through the cross plate 2, so as to facilitate the rake tooth body 8 and the curved teeth 17 to cooperate in trenching operations, the positioning holes 3 and the through holes 10 are used to facilitate the insertion of the extended threaded rod 9, the first nut 5 and the second nut 6 cooperate to facilitate the fixation of the cross plate 2 and the extended threaded rod 9, and the third nut 7 and the extended threaded rod 9 cooperate to facilitate the fixation of the positioning block 16 to facilitate the rake tooth body 8 Flexible installation and disassembly to improve the convenience of replacing the rake tooth body 8. The multiple groups of positioning holes 3 are arranged at equal intervals to facilitate the adjustment of the spacing between each group of rake tooth bodies 8. Then, by inserting one group of thickened threaded rods 12 into the second internal threaded holes 15, and inserting another group of thickened threaded rods 12 into the first internal threaded holes 14, it is convenient to splice multiple groups of extension rods 13 together, to facilitate the splicing of extension rods 13 and handles 11, to facilitate the adjustment of the length of the handles 11 and extension rods 13, to facilitate the staff to use it in handheld mode, and to complete the use of the sowing furrowing rake.

[0035] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A sowing furrowing harrow with adjustable tooth spacing, characterized by: The invention comprises a furrowing rake crossbeam (1) and a cross plate (2), wherein the cross plate (2) is provided inside the furrowing rake crossbeam (1), and a plurality of equidistant positioning holes (3) are provided inside the cross plate (2), and the spacing between the two groups of positioning holes (3) is 10 cm, and a plurality of extended threaded rods (9) are provided outside the furrowing rake crossbeam (1), and the extended threaded rods (9) all extend to the outside of the positioning holes (3), and the surfaces of the extended threaded rods (9) are all provided with positioning blocks (16), and the interiors of the positioning blocks (16) are all provided with through holes (10), and the positioning blocks (16) are provided with through holes (10). The bottom end of each block (16) is provided with a rake tooth body (8), and the rake tooth body (8) is fixedly connected to the positioning block (16). The surface of the extended threaded rod (9) above the horizontal plate (2) is fitted with a first nut (5), and the surface of the extended threaded rod (9) below the horizontal plate (2) is fitted with a second nut (6). The bottom end of each rake tooth body (8) is provided with a curved tooth (17), and the outer walls of both sides of the curved tooth (17) and the rake tooth body (8) are provided with side wing plates (18). The inclination angle between the rake tooth body (8) and the curved tooth (17) is 30 degrees.

2. A sowing furrowing rake with adjustable tooth spacing according to claim 1, characterized in that: A third nut (7) is sleeved on the surface of the extended threaded rod (9) below the positioning block (16), and the third nut (7) is threadedly connected to the extended threaded rod (9).

3. The sowing furrowing rake with adjustable tooth spacing according to claim 1, characterized in that: A handle (11) is provided on the outside of the furrowing rake cross beam (1), and a pull rod (4) is symmetrically provided on one end of the handle (11) close to the furrowing rake cross beam (1).

4. A sowing furrowing rake with adjustable tooth spacing according to claim 3, characterized in that: One end of the pull rod (4) is fixedly connected to the handle (11), and the other end of the pull rod (4) is fixedly connected to the furrowing rake beam (1).

5. The sowing furrowing rake with adjustable tooth spacing according to claim 3, characterized in that: A second internal threaded hole (15) is provided inside the handle (11), and the second internal threaded hole (15) extends to the outside of the handle (11).

6. The sowing furrowing rake with adjustable tooth spacing according to claim 3, characterized in that: A plurality of groups of extension rods (13) are provided on the outside of the handle (11), and the diameter of the extension rods (13) is the same as that of the handle (11).

7. A sowing furrowing rake with adjustable tooth spacing according to claim 6, characterized in that: One end of the extension rod (13) is provided with a thickened threaded rod (12), and the thickened threaded rod (12) is fixedly connected to the extension rod (13).

8. The sowing furrowing rake with adjustable tooth spacing according to claim 6, characterized in that: The interior of the extension rod (13) is provided with a first internal threaded hole (14), and the first internal threaded hole (14) extends to the outside of the extension rod (13).

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