Testing device for detecting deep sowing resistance degree of seeds

Abstract

The invention discloses a test device for detecting the deep sowing resistance degree of seeds. The test device comprises a test box, a driving assembly, a rotating shaft, a pawl assembly, a frame assembly, a hole strip assembly, a sliding block and a water collecting assembly. A permeable structure is arranged on the bottom wall of the test box; arc-shaped sliding grooves are formed in two opposite inner side walls of the test box; the driving assembly is mounted on the outer wall of the test box; one end of the rotating shaft is in transmission connection with the driving assembly through a coupler; one end of the pawl assembly is rotatably connected to the outer wall of the test box, and the other end is contacted with the ratchet; the frame assembly comprises a first frame and a second frame, a first positioning piece is installed on the second frame, and the first positioning piece is detachably connected with the first frame; second positioning pieces are installed at the two ends of the hole strip assembly. According to the invention, the line spacing and depth of the seeds can be freely adjusted, the seeds are effectively prevented from falling off in the test process, and the accuracy and working efficiency of the deep-seeding-resistant test of the seeds are improved.

Description

Technical Field

[0001] The invention relates to the technical field of seed testing, in particular to a testing device for detecting the degree of deep sowing resistance of seeds. Background Art

[0002] In agricultural production, the degree of seed tolerance to deep sowing is one of the important indicators for evaluating seed germination ability and growth potential. The degree of seed tolerance to deep sowing is not only related to the seed germination rate, but also directly affects the yield and quality of crops.

[0003] In the prior art, traditional seed deep sowing tolerance tests often rely on manual operation, which manually controls the sowing depth and row spacing of seeds. This method is not only inefficient, but also difficult to achieve precise sowing control, and cannot meet the test requirements of different seeds, affecting the accuracy and reliability of the test results. In addition, when the existing test device is used for testing, seeds are prone to fall during the sowing process, resulting in inaccurate test data.

[0004] Therefore, a test device for detecting the tolerance of seeds to deep sowing is proposed. Summary of the invention

[0005] The object of the present invention is to provide a test device for detecting the degree of resistance of seeds to deep sowing, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above object, the present invention provides the following solution: The present invention provides a test device for detecting the degree of resistance to deep sowing of seeds, comprising:

[0007] A test box, wherein the top of the test box is open, and the bottom wall of the test box is provided with a water-permeable structure; arc-shaped slide grooves are provided on two opposite inner side walls of the test box;

[0008] A drive assembly, the drive assembly being mounted on an outer wall of the test box;

[0009] A rotating shaft, one end of which is transmission-connected to the driving assembly via a coupling, and the other end of which is provided with a ratchet;

[0010] A pawl assembly, one end of which is rotatably connected to the outer wall of the test box, and the other end of which is in contact with the ratchet wheel;

[0011] A frame assembly, the frame assembly comprising a first frame and a second frame, one end of the first frame is fixedly mounted on the rotating shaft, the second frame is slidably connected to the bottom of the first frame, and a first positioning member is mounted on the second frame, the first positioning member is detachably connected to the first frame;

[0012] A hole bar assembly, wherein the hole bar assembly is provided with a plurality of second positioning members installed at both ends of the hole bar assembly, and the first frame and the second frame are both detachably connected to the second positioning members; the hole bar assembly is provided with a plurality of seed placement holes, and the top surface size of the seed placement hole is larger than the bottom surface size of the seed placement hole;

[0013] Slide blocks, wherein two slide blocks are provided, and the two slide blocks are respectively mounted on two opposite outer side walls of the first frame, and the two slide blocks are respectively slidably connected with the two arc-shaped slide grooves;

[0014] A water collection component is installed at the bottom of the test box.

[0015] According to a test device for detecting the degree of resistance to deep sowing of seeds provided by the present invention, the first frame comprises two first cross bars arranged side by side, one end of the two first cross bars is fixedly mounted with a first connecting rod, the first connecting rod is fixedly connected to the rotating shaft, the two sliding blocks are respectively fixedly mounted on the side walls opposite to each other of the two first connecting rods, and the top surface of the first cross bar is penetrated with a plurality of first thread grooves;

[0016] The second frame includes two second cross bars arranged side by side, a second connecting rod is fixedly installed at one end of the two second cross bars, and one end of the two second cross bars away from the second connecting rod is slidably connected to the bottom surfaces of the two first cross bars respectively, a plurality of second thread grooves are penetrated through the top surface of the second cross bar, the first positioning piece is installed on the second cross bar, the first positioning piece penetrates through the second thread groove and is threadedly connected to the first thread groove; the first thread groove and the second thread groove are both threadedly connected to the second positioning piece.

[0017] According to a test device for detecting the degree of deep sowing resistance of seeds provided by the present invention, the hole bar assembly includes a hole bar body, wing plates are fixedly connected to both sides of the hole bar body, the second positioning member includes a second bolt, the second bolt passes through the wing plate, and the first thread groove and the second thread groove are both threadedly connected to the second bolt; a plurality of seed placement holes are opened on the hole bar body at equal intervals.

[0018] According to a test device for detecting the degree of resistance of seeds to deep sowing provided by the present invention, the pawl assembly includes a pawl body, a spring and a pull rod, one end of the pawl body is rotatably connected to the outer wall of the test box, and the other end of the pawl body is in contact with the ratchet; the spring is installed between the outer wall of the test box and the pawl body, and the pull rod is fixedly installed on the pawl body.

[0019] According to a test device for detecting the degree of resistance of seeds to deep sowing provided by the present invention, the driving assembly includes a reduction motor installed on the outer wall of the test box, and the output shaft of the reduction motor is axially connected to the rotating shaft through a coupling.

[0020] According to a test device for detecting the degree of resistance to deep sowing of seeds provided by the present invention, the water-permeable structure comprises a plurality of water-permeable through holes, and the plurality of water-permeable through holes are penetrated and opened on the bottom wall of the test box;

[0021] The first positioning member includes a first bolt, which is installed on the second cross bar. The first bolt passes through the second thread groove and is threadedly connected to the first thread groove.

[0022] According to a test device for detecting the degree of deep sowing resistance of seeds provided by the present invention, the water collecting assembly includes a water collecting box, the top of the water collecting box is set to be open, the water collecting box is detachably connected to the bottom of the test box, and a drainage outlet is installed at the bottom of the side wall of the water collecting box.

[0023] According to a test device for detecting the degree of resistance of seeds to deep sowing provided by the present invention, the cross-sectional shape of the seed placement hole is elliptical.

[0024] The present invention discloses the following technical effects:

[0025] The present invention drives the rotating shaft to rotate through the driving assembly, and can conveniently adjust the installation angle of the first frame and the second frame, thereby adjusting the installation height of the seeds on the hole bar assembly; the position of the hole bar assembly can be flexibly adjusted through the second positioning member, so as to accurately control the spacing between two adjacent hole bar assemblies, realize the free adjustment of the seed row spacing and depth, improve the test accuracy and work efficiency, and make the test results more reliable;

[0026] The top surface size of the seed placement holes formed on the hole bar assembly of the present invention is larger than the bottom surface size, which can ensure that the seeds are stably fixed in the seed placement holes, effectively prevent the seeds from falling during the test, and ensure the accuracy of the test data;

[0027] After adjusting the seed row spacing and depth, the test box is filled with quartz sand or soil. After the seeds are planted for a period of time, the seed emergence rate on different hole bar assemblies can be observed to intuitively evaluate the seed tolerance to deep sowing. The operation is simple and convenient.

[0028] The bottom of the test box of the present invention is provided with a water-permeable structure, which can discharge excess water into the water collection component in time, avoid the adverse effect of water accumulation on the seed germination environment, and optimize the test environment; the installation angles of the first frame and the second frame are fixed by the pawl assembly and the ratchet, so that the device remains stable during the test, further improving the accuracy of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 It is a structural schematic diagram of the present invention;

[0031] Figure 2 It is a front view of the present invention;

[0032] Figure 3 for Figure 2 A partial enlarged view of middle A;

[0033] Figure 4 Schematic diagram of the connection between the frame assembly and the hole bar assembly in the present invention Figure Ⅰ ;

[0034] Figure 5 Schematic diagram of the connection between the frame assembly and the hole bar assembly in the present invention Figure II .

[0035] Among them, 1. test box; 2. arc-shaped slide groove; 3. rotating shaft; 4. ratchet; 5. slider; 6. first cross bar; 7. first connecting rod; 8. first threaded groove; 9. second cross bar; 10. second connecting rod; 11. second threaded groove; 12. hole bar body; 13. seed placement hole; 14. wing plate; 15. pawl body; 16. spring; 17. pull rod; 18. reduction motor; 19. water-permeable through hole; 20. first bolt; 21. second bolt; 22. water collecting box. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] Reference Figure 1-Figure 5 The present invention provides a test device for detecting the degree of resistance to deep sowing of seeds, comprising:

[0039] A test box 1, the top of the test box 1 is set to be open, and the bottom wall of the test box 1 is provided with a water-permeable structure; arc-shaped slide grooves 2 are opened on two opposite inner side walls of the test box 1;

[0040] A driving assembly, the driving assembly is mounted on the outer wall of the test box 1;

[0041] A rotating shaft 3, one end of which is transmission-connected to the driving assembly via a coupling, and the other end of which is provided with a ratchet 4;

[0042] A pawl assembly, one end of which is rotatably connected to the outer wall of the test box 1, and the other end of which is in contact with the ratchet wheel 4;

[0043] The frame assembly includes a first frame and a second frame, one end of the first frame is fixedly mounted on the rotating shaft 3, the second frame is slidably connected to the bottom of the first frame, and a first positioning member is mounted on the second frame, and the first positioning member is detachably connected to the first frame;

[0044] The hole bar assembly is provided with a plurality of second positioning members installed at both ends of the hole bar assembly, and the first frame and the second frame are both detachably connected to the second positioning members; the hole bar assembly is provided with a plurality of seed placement holes 13, and the top surface size of the seed placement hole 13 is larger than the bottom surface size of the seed placement hole 13;

[0045] Slider 5, two sliders 5 are provided, the two sliders 5 are respectively mounted on two opposite outer side walls of the first frame, and the two sliders 5 are respectively slidably connected with the two arc-shaped slide grooves 2;

[0046] A water collection component, which is installed at the bottom of the test box 1;

[0047] With such arrangement, the present invention can conveniently adjust the installation angle of the first frame and the second frame by driving the rotating shaft 3 to rotate through the driving assembly, thereby adjusting the installation height of the seeds on the hole bar assembly; the position of the hole bar assembly can be flexibly adjusted through the second positioning member, thereby accurately controlling the spacing between two adjacent hole bar assemblies, realizing free adjustment of the seed row spacing and depth, improving the test accuracy and work efficiency, and making the test results more reliable;

[0048] The plurality of seed placement holes 13 provided on the hole bar assembly of the present invention, the top surface size of the seed placement holes 13 being larger than the bottom surface size, can ensure that the seeds are stably fixed in the seed placement holes 13, effectively prevent the seeds from falling during the test, and ensure the accuracy of the test data;

[0049] After adjusting the seed row spacing and depth, the test box 1 is filled with quartz sand or soil. After the seeds are planted for a period of time, the seed emergence rate on different hole bar assemblies can be observed to intuitively evaluate the seed tolerance to deep sowing. The operation is simple and convenient.

[0050] The bottom of the test box 1 of the present invention is provided with a water-permeable structure, which can discharge excess water into the water collection component in time, avoid the adverse effect of water accumulation on the seed germination environment, and optimize the test environment; the installation angle of the first frame and the second frame is fixed by the pawl assembly and the ratchet 4, so that the device remains stable during the test, further improving the accuracy of the test results.

[0051] Further optimized solution, the first frame includes two first cross bars 6 arranged side by side, one end of the two first cross bars 6 is fixedly installed with a first connecting rod 7, the first connecting rod 7 is fixedly connected to the rotating shaft 3, the two sliders 5 are respectively fixedly installed on the side walls opposite to the two first connecting rods 7, and the top surface of the first cross bar 6 is penetrated with a plurality of first thread grooves 8;

[0052] The second frame includes two second cross bars 9 arranged side by side, one end of the two second cross bars 9 is fixedly mounted with a second connecting rod 10, one end of the two second cross bars 9 away from the second connecting rod 10 is respectively slidably connected to the bottom surfaces of the two first cross bars 6, a plurality of second thread grooves 11 are penetrated through the top surface of the second cross bar 9, a first positioning member is installed on the second cross bar 9, the first positioning member penetrates the second thread groove 11, and is threadedly connected to the first thread groove 8; the first thread groove 8 and the second thread groove 11 are both threadedly connected to the second positioning member;

[0053] In this arrangement, the first frame rotates with the rotation of the rotating shaft 3, and the first thread groove 8 provided on the first crossbar 6 is used to connect with the second frame and the second positioning member of the hole bar assembly;

[0054] The two second cross bars 9 are slidably connected to the bottom surfaces of the two first cross bars 6 to realize sliding adjustment of the second frame relative to the first frame; the second thread groove 11 is arranged corresponding to the first thread groove 8, and the detachable connection between the second cross bar 9 and the first cross bar 6 is realized through the first positioning piece, so that the relative position between the second frame and the first frame can be adjusted as needed, thereby adjusting the inclination angle of the hole bar assembly.

[0055] According to a further optimized solution, the hole bar assembly includes a hole bar body 12, wing plates 14 are fixedly connected to both sides of the hole bar body 12, the second positioning member includes a second bolt 21, the second bolt 21 passes through the wing plate 14, and the first thread groove 8 and the second thread groove 11 are both threadedly connected to the second bolt 21; a plurality of seed placement holes 13 are evenly spaced on the hole bar body 12;

[0056] The second bolt 21 passes through the wing plate 14, the second thread groove 11 and the first thread groove 8 to achieve a firm connection between the hole bar assembly and the first and second frames; the cross-sectional shape of the seed placement hole 13 is an ellipse, which helps to stably fix the seeds and prevent them from falling during the test;

[0057] The present invention can match the hole strip body 12 with different apertures according to the size of different crop seeds. When detecting corn, soybean, and peanut seeds, the seed placement hole 13 can be adjusted to a larger aperture. When detecting wheat seeds, the seed placement hole 13 can be adjusted to a smaller aperture, thereby achieving stable placement of different types of seeds.

[0058] Further optimized solution, the pawl assembly includes a pawl body 15, a spring 16 and a pull rod 17, one end of the pawl body 15 is rotatably connected to the outer wall of the test box 1, and the other end of the pawl body 15 is in contact with the ratchet 4; the spring 16 is installed between the outer wall of the test box 1 and the pawl body 15, and the pull rod 17 is fixedly installed on the pawl body 15;

[0059] The pawl body 15 is clamped into the tooth groove of the ratchet wheel 4 under the action of the spring 16 to fix the angle; when necessary, the pawl body 15 is manually unlocked by the pull rod 17 to adjust the angle.

[0060] A further optimized solution is that the driving assembly includes a reduction motor 18 installed on the outer wall of the test box 1, and the output shaft of the reduction motor 18 is connected to the rotating shaft 3 through a coupling; the reduction motor 18 drives the rotating shaft 3 to rotate, thereby driving the first frame and the second frame and the hole bar assembly installed thereon to rotate to the desired angle.

[0061] Further optimizing the scheme, the water-permeable structure includes a plurality of water-permeable through holes 19, and the plurality of water-permeable through holes 19 are opened through the bottom wall of the test box 1;

[0062] The first positioning member includes a first bolt 20 . The first bolt 20 is mounted on the second cross bar 9 . The first bolt 20 passes through the second thread groove 11 and is threadedly connected to the first thread groove 8 .

[0063] Further optimized solution, the water collection assembly includes a water collection box 22, the top of the water collection box 22 is set to be open, the water collection box 22 is detachably connected to the bottom of the test box 1, and a drain port is installed at the bottom of the side wall of the water collection box 22;

[0064] When the water is discharged from the water-permeable through hole 19, the water flows into the water collecting box 22, thereby optimizing the test environment and avoiding the adverse effects of water accumulation on seed germination; a drain port is installed at the bottom of the side wall of the water collecting box 22 to facilitate users to regularly clean up the accumulated water.

[0065] According to a further optimization scheme, the cross-sectional shape of the seed placement hole 13 is elliptical, so that the seed placement hole 13 is funnel-shaped as a whole to prevent seeds from falling.

[0066] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., 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 do not indicate or imply that the device or element referred to 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.

[0067] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A test device for detecting the degree of seed tolerance to deep sowing, characterized in that: include: A test box (1), wherein the top of the test box (1) is open, and the bottom wall of the test box (1) is provided with a water-permeable structure; arc-shaped slide grooves (2) are provided on two opposite inner side walls of the test box (1); A drive assembly, the drive assembly being mounted on the outer wall of the test box (1); A rotating shaft (3), one end of which is transmission-connected to the driving assembly via a coupling, and the other end of which is provided with a ratchet (4); A ratchet assembly, one end of which is rotatably connected to the outer wall of the test box (1), and the other end of which is in contact with the ratchet wheel (4); A frame assembly, the frame assembly comprising a first frame and a second frame, one end of the first frame being fixedly mounted on the rotating shaft (3), the second frame being slidably connected to the bottom of the first frame, and a first positioning member being mounted on the second frame, the first positioning member being detachably connected to the first frame; A hole bar assembly, wherein the hole bar assembly is provided with a plurality of second positioning members installed at both ends of the hole bar assembly, and the first frame and the second frame are both detachably connected to the second positioning members; the hole bar assembly is provided with a plurality of seed placement holes (13), and the top surface size of the seed placement holes (13) is larger than the bottom surface size of the seed placement holes (13); Sliding blocks (5), two of the sliding blocks (5) are provided, the two sliding blocks (5) are respectively mounted on two opposite outer side walls of the first frame, and the two sliding blocks (5) are respectively slidably connected to the two arc-shaped sliding grooves (2); A water collection component is installed at the bottom of the test box (1).

2. The test device for detecting the degree of resistance to deep sowing of seeds according to claim 1, characterized in that: The first frame comprises two first cross bars (6) arranged side by side, one end of the two first cross bars (6) is fixedly mounted with a first connecting rod (7), the first connecting rod (7) is fixedly connected to the rotating shaft (3), the two sliding blocks (5) are respectively fixedly mounted on the side walls opposite to each other of the two first connecting rods (7), and a plurality of first thread grooves (8) are penetrated through the top surface of the first cross bar (6); The second frame comprises two second cross bars (9) arranged side by side, one end of the two second cross bars (9) is fixedly mounted with a second connecting rod (10), one end of the two second cross bars (9) away from the second connecting rod (10) is respectively slidably connected to the bottom surface of the two first cross bars (6), the top surface of the second cross bar (9) is penetrated by a plurality of second thread grooves (11), the second cross bar (9) is mounted with the first positioning member, the first positioning member penetrates the second thread groove (11) and is threadedly connected to the first thread groove (8); the first thread groove (8) and the second thread groove (11) are both threadedly connected to the second positioning member.

3. The test device for detecting the degree of resistance to deep sowing of seeds according to claim 2, characterized in that: The hole bar assembly comprises a hole bar body (12), wing plates (14) are fixedly connected to both sides of the hole bar body (12), the second positioning member comprises a second bolt (21), the second bolt (21) passes through the wing plate (14), and the first thread groove (8) and the second thread groove (11) are both threadedly connected to the second bolt (21); a plurality of seed placement holes (13) are provided on the hole bar body (12) at equal intervals.

4. The test device for detecting the degree of resistance of seeds to deep sowing according to claim 2, characterized in that: The pawl assembly comprises a pawl body (15), a spring (16) and a pull rod (17); one end of the pawl body (15) is rotatably connected to the outer wall of the test box (1), and the other end of the pawl body (15) is in contact with the ratchet (4); the spring (16) is installed between the outer wall of the test box (1) and the pawl body (15), and the pull rod (17) is fixedly installed on the pawl body (15).

5. The test device for detecting the degree of resistance of seeds to deep sowing according to claim 1, characterized in that: The driving assembly comprises a reduction motor (18) mounted on the outer wall of the test box (1), and the output shaft of the reduction motor (18) is axially connected to the rotating shaft (3) via a coupling.

6. The test device for detecting the degree of resistance of seeds to deep sowing according to claim 2, characterized in that: The water-permeable structure comprises a plurality of water-permeable through holes (19), and the plurality of water-permeable through holes (19) are penetrated and opened on the bottom wall of the test box (1); The first positioning member comprises a first bolt (20), the first bolt (20) is mounted on the second cross bar (9), the first bolt (20) passes through the second thread groove (11), and is threadedly connected to the first thread groove (8).

7. The test device for detecting the degree of resistance to deep sowing of seeds according to claim 1, characterized in that: The water collection assembly comprises a water collection box (22), the top of the water collection box (22) is arranged to be open, the water collection box (22) is detachably connected to the bottom of the test box (1), and a drainage port is installed at the bottom of the side wall of the water collection box (22).

8. The test device for detecting the degree of resistance to deep sowing of seeds according to claim 3, characterized in that: The cross-sectional shape of the seed placement hole (13) is an ellipse.

Images