Testing device for detecting deep sowing resistance degree of seeds

Abstract

The utility model discloses a test device for detecting the deep sowing resistance 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 utility model, 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 the working efficiency of the deep-seeding-resistant test of the seeds are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a seed test technical field especially a kind of test device for detecting the degree of seed deep sowing tolerance. BACKGROUND

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

[0003] In the prior art, the traditional degree of seed deep sowing tolerance test often relies on manual operation, and the seed sowing depth and row spacing are manually controlled. This method is not only inefficient, but also difficult to achieve accurate sowing control, cannot meet the test needs of different seeds, and affects the accuracy and reliability of test results. In addition, the existing test device is prone to seed falling during sowing, resulting in inaccurate test data.

[0004] Therefore, a test device for detecting the degree of seed deep sowing tolerance is proposed. SUMMARY

[0005] The utility model aims to provide a kind of test device for detecting the degree of seed deep sowing tolerance, to solve or improve at least one of the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a kind of test device for detecting the degree of seed deep sowing tolerance, comprising:

[0007] The test box is open at the top, and the bottom wall of the test box is provided with a water-permeable structure. Arc-shaped sliding grooves are formed on the opposite inner side walls of the test box.

[0008] The driving assembly is installed on the outer wall of the test box.

[0009] The rotating shaft is drivingly connected to the driving assembly through a coupling at one end and is provided with a ratchet at the other end.

[0010] The pawl assembly is rotatably connected to the outer wall of the test box at one end and is in contact with the ratchet at the other end.

[0011] The frame assembly includes a first frame and a second frame. The first frame is fixedly installed on the rotating shaft at one end. The second frame is slidingly connected to the bottom of the first frame, and the second frame is provided with a first positioning member. The first positioning member is detachably connected to the first frame.

[0012] The hole strip assembly is provided with a plurality of second positioning members, two ends of the hole strip assembly are provided with the second positioning members, the first frame and the second frame are detachably connected with the second positioning members, a plurality of seed placing holes are formed in the hole strip assembly, and the top surface size of the seed placing hole is greater than the bottom surface size of the seed placing hole.

[0013] The sliding block is provided with two sliding blocks, and the two sliding blocks are respectively arranged on the opposite two outer side walls of the first frame and are respectively connected with the two arc-shaped sliding grooves.

[0014] The water collecting assembly is arranged on the bottom of the test box.

[0015] According to the test device for detecting the deep sowing resistance degree of seeds, the first frame comprises two first horizontal rods arranged side by side, one end of each of the two first horizontal rods is fixedly provided with a first connecting rod, the first connecting rod is fixedly connected with the rotating shaft, the two sliding blocks are respectively fixedly arranged on the opposite side walls of the two first connecting rods, and a plurality of first threaded grooves are formed in the top surface of the first horizontal rod.

[0016] The second frame comprises two second horizontal rods arranged side by side, one end of each of the two second horizontal rods is fixedly provided with a second connecting rod, the opposite end of each of the two second horizontal rods is slidably connected with the bottom surface of each of the two first horizontal rods, a plurality of second threaded grooves are formed in the top surface of the second horizontal rod, the first positioning member is arranged on the second horizontal rod, the first positioning member penetrates the second threaded groove and is threadedly connected with the first threaded groove, and the first threaded groove and the second threaded groove are threadedly connected with the second positioning member.

[0017] According to the test device for detecting the deep sowing resistance degree of seeds, the hole strip assembly comprises a hole strip body, wings are fixedly connected to the two sides of the hole strip body, the second positioning member comprises a second bolt, the second bolt penetrates the wing, and the first threaded groove and the second threaded groove are threadedly connected with the second bolt, and a plurality of seed placing holes are formed in the hole strip body at equal intervals.

[0018] According to the test device for detecting the deep sowing resistance degree of seeds, the pawl assembly comprises 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, the other end of the pawl body is in contact with the ratchet wheel, the spring is arranged between the outer wall of the test box and the pawl body, and the pull rod is fixedly arranged on the pawl body.

[0019] The utility model provides a kind of test device for detecting seed deep sowing degree, the driving assembly includes the reduction motor being installed on the test box outer wall, the output shaft of the reduction motor is connected with the pivot shaft through shaft coupling.

[0020] According to the utility model provides a kind of test device for detecting seed deep sowing degree, the water permeable structure includes several water permeable through holes, several water permeable through holes are through and are arranged on the bottom wall of the test box;

[0021] The first positioning member includes a first bolt, the first bolt is mounted on the second cross bar, the first bolt penetrates the second threaded groove, and is threadedly connected with the first threaded groove.

[0022] According to the utility model provides a kind of test device for detecting seed deep sowing degree, the water collecting assembly includes a water collecting box, the top of the water collecting box is open, the water collecting box is detachably connected at the bottom of the test box, and the sidewall bottom of the water collecting box is provided with a drain port.

[0023] According to the utility model provides a kind of test device for detecting seed deep sowing degree, the cross-sectional shape of the seed placement hole is oval.

[0024] The utility model discloses the following technical effects:

[0025] The utility model discloses the pivot rotation can be conveniently adjusted the installation angle of first frame and second frame by driving assembly, and then the installation height of seed on hole strip assembly is adjusted;The position of hole strip assembly can be flexibly adjusted by the second positioning member, so that the spacing of adjacent two hole strip assemblies is accurately controlled, the free adjustment of seed row spacing and depth is realized, the test accuracy and work efficiency are improved, and the test result is more reliable;

[0026] The utility model discloses the pivot rotation can be conveniently adjusted the installation angle of first frame and second frame by driving assembly, and then the installation height of seed on hole strip assembly is adjusted;The position of hole strip assembly can be flexibly adjusted by the second positioning member, so that the spacing of adjacent two hole strip assemblies is accurately controlled, the free adjustment of seed row spacing and depth is realized, the test accuracy and work efficiency are improved, and the test result is more reliable;

[0027] The utility model discloses the pivot rotation can be conveniently adjusted the installation angle of first frame and second frame by driving assembly, and then the installation height of seed on hole strip assembly is adjusted;The position of hole strip assembly can be flexibly adjusted by the second positioning member, so that the spacing of adjacent two hole strip assemblies is accurately controlled, the free adjustment of seed row spacing and depth is realized, the test accuracy and work efficiency are improved, and the test result is more reliable;

[0028] The test box bottom is provided with a water permeable structure, which can timely discharge the excess moisture into the water collecting assembly, avoids the adverse effect of moisture accumulation on the seed germination environment, and optimizes the test environment; the pawl assembly and the ratchet wheel are used to fix the installation angle of the first frame and the second frame, so that the device is stable during the test process, and the accuracy of the test result is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings described below are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0030] Figure 1 It is a structural schematic view of the present utility model;

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

[0032] Figure 3 It is Figure 2 A local enlarged view of the middle A;

[0033] Figure 4 It is a connection schematic of the frame assembly and the hole strip assembly in the present utility model Figure I ;

[0034] Figure 5 It is a connection schematic of the frame assembly and the hole strip assembly in the present utility model Figure II .

[0035] 1, test box;2, arc-shaped chute;3, rotating shaft;4, ratchet wheel;5, sliding block;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 strip body;13, seed placing hole;14, wing plate;15, pawl body;16, spring;17, pull rod;18, speed reducer motor;19, water permeable through hole;20, first bolt;21, second bolt;22, water collecting box. DETAILED DESCRIPTION

[0036] The technical scheme in the embodiments of the present utility model will be described clearly and completely below by combining the drawings in the embodiments of the present utility model, and obviously, the described embodiments are only some embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present utility model.

[0037] In order to make the above-mentioned purposes, characteristics and advantages of the utility model more apparent, specific and understandable, the utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0038] With reference to Figures 1-5 The utility model provides a kind of test device for detecting the degree of seed deep sowing resistance, comprising:

[0039] Test box 1, the top of test box 1 is open, and the bottom wall of test box 1 is provided with a water-permeable structure;Arc-shaped sliding grooves 2 are formed in the opposite inner side walls of test box 1.

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

[0041] Shaft 3, one end of shaft 3 is drivingly connected to the driving assembly through a shaft coupling, and the other end is provided with a ratchet wheel 4;

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

[0043] Frame assembly, the frame assembly includes a first frame and a second frame, one end of the first frame is fixedly installed on the shaft 3, the second frame is slidingly connected to the bottom of the first frame, and the second frame is provided with a first positioning member, and the first positioning member is detachably connected to the first frame;

[0044] Hole strip assembly, the hole strip assembly is provided with a plurality of second positioning members, and the first frame and the second frame are detachably connected to the second positioning members;A plurality of seed placement holes 13 are formed in the hole strip assembly, and the top surface size of the seed placement hole 13 is greater than the bottom surface size of the seed placement hole 13.

[0045] Slide block 5, two slide blocks 5 are provided, and the two slide blocks 5 are respectively installed on the opposite outer side walls of the first frame, and the two slide blocks 5 are respectively slidingly connected to the two arc-shaped sliding grooves 2.

[0046] Water collecting assembly, the water collecting assembly is installed at the bottom of test box 1.

[0047] In this way, the utility model drives the shaft 3 to rotate through the driving assembly, which can conveniently adjust the installation angle of the first frame and the second frame, and further adjust the installation height of the seeds on the hole strip assembly;The position of the hole strip assembly can be flexibly adjusted through the second positioning member, so as to accurately control the distance between the adjacent two hole strip assemblies, realize the free adjustment of seed row spacing and depth, improve the test accuracy and work efficiency, and make the test result more reliable.

[0048] The seed placing hole 13 is provided on the hole strip assembly, the top surface size of the seed placing hole 13 is greater than the bottom surface size, the seed can be stably fixed in the seed placing hole 13, the seed is effectively prevented from falling in the test process, and the accuracy of test data is ensured;

[0049] The utility model discloses after adjusting seed row distance and depth, fills quartz sand or soil in test box 1, and after a period of time of seed planting, through the observation seed emergence rate on different hole strip assembly, can intuitively evaluate the deep sowing degree of resistance of seed, simple and convenient operation;

[0050] The utility model discloses test box 1 bottom is equipped with water -permeable structure, can discharge the redundant moisture in time to the water collection component, avoid the moisture accumulation and cause the adverse effect to the seed germination environment, optimize test environment, realize the fixed installation angle of first frame and second frame through ratchet assembly and ratchet wheel 4, make the device keep stable in the test process, further improve the accuracy of test result.

[0051] Further optimization scheme, first frame includes two first cross bars 6 who sets up side by side, and one end of two first cross bars 6 is fixedly installed with first connecting rod 7, and first connecting rod 7 is fixedly connected with rotating shaft 3, and two sliding blocks 5 are fixedly installed on the opposite side wall of two first connecting rods 7 respectively, and the top surface of first cross bar 6 is provided with a plurality of first thread grooves 8;

[0052] Second frame includes two second cross bars 9 who sets up side by side, and one end of two second cross bars 9 is fixedly installed with second connecting rod 10, and the end away from second connecting rod 10 of two second cross bars 9 is slidably connected with the bottom surface of two first cross bars 6 respectively, and the top surface of second cross bar 9 is provided with a plurality of second thread grooves 11, and first positioning piece is installed on second cross bar 9, and first positioning piece penetrates second thread groove 11 and is threadedly connected with first thread groove 8;First thread groove 8 and second thread groove 11 are all threadedly connected with second positioning piece;

[0053] Thus, the first frame rotates with the rotation of the rotating shaft 3, and the first thread groove 8 provided on the first cross bar 6 is used to connect the second positioning piece of the second frame and the hole strip assembly;

[0054] Two second cross bars 9 are slidably connected with the bottom surface of two first cross bars 6, realizing the sliding adjustment of the second frame relative to the first frame;Second thread groove 11 is correspondingly arranged with first thread groove 8, and the detachable connection of second cross bar 9 and first cross bar 6 is realized through first positioning piece, so that the relative position between the second frame and the first frame can be adjusted as required, and then the inclination angle of the hole strip assembly is adjusted.

[0055] Further optimization scheme, the hole strip assembly includes a hole strip body 12, the two sides of the hole strip body 12 are fixedly connected with wing plates 14, the second positioning member includes a second bolt 21, the second bolt 21 penetrates the wing plate 14, and the first threaded groove 8 and the second threaded groove 11 are all in threaded connection with the second bolt 21;A plurality of seed placing holes 13 are equidistantly formed on the hole strip body 12;

[0056] The second bolt 21 penetrates the wing plate 14, the second threaded groove 11 and the first threaded groove 8, and the hole strip assembly is firmly connected with the first frame and the second frame;The cross-sectional shape of the seed placing hole 13 is oval, which helps to stably fix the seeds and prevent them from falling during the test process;

[0057] The present application can match the hole strip body 12 with different hole diameters according to the size of different crop seeds, when detecting corn, soybean and peanut seeds, the seed placing hole 13 can be adjusted to a larger hole diameter, and when detecting wheat seeds, the seed placing hole 13 can be adjusted to a smaller hole diameter, so that the stable placement of different types of seeds is realized.

[0058] Further optimization scheme, 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, the other end of the pawl body 15 is in contact with the ratchet wheel 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, so that the angle is fixed;When needed, the pawl body 15 is manually unlocked through the pull rod 17, so as to adjust the angle.

[0060] Further optimization scheme, the driving assembly includes a speed reducer motor 18 installed on the outer wall of the test box 1, and the output shaft of the speed reducer motor 18 is connected with the rotating shaft 3 through a shaft coupling;The speed reducer motor 18 drives the rotating shaft 3 to rotate, and then drives the first frame and the second frame and the hole strip assembly installed thereon to rotate to the required angle.

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

[0062] The first positioning member includes a first bolt 20, the first bolt 20 is installed on the second cross rod 9, the first bolt 20 penetrates the second threaded groove 11, and is in threaded connection with the first threaded groove 8.

[0063] Further optimization scheme, the water collecting assembly includes a water collecting box 22, the top of the water collecting box 22 is open, the water collecting box 22 is detachably connected to the bottom of the test box 1, and the sidewall of the water collecting box 22 is provided with a drain port at the bottom;

[0064] When the moisture is discharged from the water-permeable through hole 19, the moisture flows into the water collecting box 22, thereby optimizing the test environment and avoiding the adverse effect of moisture accumulation on seed germination; the side wall bottom of the water collecting box 22 is provided with a drainage port, thereby facilitating the user to clean the accumulated water regularly.

[0065] Further optimization scheme, the cross section shape of the seed placing hole 13 is oval, so that the seed placing hole 13 is funnel-shaped as a whole, avoiding the seed from falling.

[0066] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0067] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not a limitation on the embodiments of the present application. For ordinary skilled users in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A test device for detecting the degree of tolerance of seeds to deep sowing, characterized in that, Include: Test box (1), the top of the test box (1) is open, the bottom wall of the test box (1) is provided with water permeable structure;The opposite two inner side walls of the test box (1) are provided with arc-shaped sliding grooves (2); Drive assembly, the drive assembly is installed on the outer wall of the test box (1); The shaft (3) is drivenly connected with the drive assembly through a shaft coupling at one end, and a ratchet wheel (4) is installed at the other end; Pawl assembly, one end of the pawl assembly is rotatably connected to the outer wall of the test box (1), and the other end is in contact with the ratchet wheel (4); Frame assembly, the frame assembly includes a first frame and a second frame, one end of the first frame is fixedly installed on the rotating shaft (3), the second frame is slidably connected to the bottom of the first frame, and the second frame is provided with a first positioning member, and the first positioning member is detachably connected with the first frame; The hole strip assembly is provided with a plurality of second positioning members, the first frame and the second frame are detachably connected with the second positioning members;A plurality of seed placing holes (13) are formed in the hole strip assembly, the top surface size of the seed placing hole (13) is greater than the bottom surface size of the seed placing hole (13); The sliding block (5) is provided with two, two sliding blocks (5) are respectively installed on the opposite two outer side walls of the first frame, and two sliding blocks (5) are respectively slidably connected with two arc-shaped sliding grooves (2); Water collecting assembly, the water collecting assembly is installed at the bottom of the test box (1).

2. The test apparatus for detecting the degree of deep sowing tolerance of seeds according to claim 1, characterized in that: The first frame includes two first horizontal rods (6) arranged side by side, one end of the first horizontal rod (6) is fixedly installed with a first connecting rod (7), the first connecting rod (7) is fixedly connected with the rotating shaft (3), two sliding blocks (5) are respectively fixedly installed on the opposite side walls of two first connecting rods (7), and a plurality of first threaded grooves (8) are formed in the top surface of the first horizontal rod (6); The second frame includes two second horizontal rods (9) arranged side by side, one end of the second horizontal rod (9) is fixedly installed with a second connecting rod (10), the other end of the second horizontal rod (9) away from the second connecting rod (10) is slidably connected with the bottom surface of the first horizontal rod (6), a plurality of second threaded grooves (11) are formed in the top surface of the second horizontal rod (9), the first positioning member is installed on the second horizontal rod (9), the first positioning member penetrates the second threaded groove (11), and is threadedly connected with the first threaded groove (8);The first threaded groove (8) and the second threaded groove (11) are threadedly connected with the second positioning member.

3. The test apparatus for detecting the degree of tolerance to deep sowing of seeds according to claim 2, characterized in that: The hole strip assembly comprises a hole strip body (12), wing plates (14) are fixedly connected to two sides of the hole strip body (12), the second positioning member comprises a second bolt (21), the second bolt (21) penetrates through the wing plates (14), and the first threaded groove (8) and the second threaded groove (11) are in threaded connection with the second bolt (21); a plurality of the seed placing holes (13) are equidistantly formed on the hole strip body (12).

4. The test apparatus for detecting the degree of deep sowing tolerance of seeds 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 an outer wall of the test box (1), and the other end of the pawl body (15) is in contact with the ratchet wheel (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 apparatus for detecting the degree of deep sowing tolerance of seeds according to claim 1, characterized in that: The driving assembly comprises a speed reducer motor (18) installed on the outer wall of the test box (1), and an output shaft of the speed reducer motor (18) is in shaft connection with the rotating shaft (3) through a shaft coupling.

6. The test apparatus for detecting the degree of deep sowing tolerance of seeds according to claim 2, characterized in that: The water permeable structure comprises a plurality of water permeable through holes (19) which are formed through the bottom wall of the test box (1). The first positioning member comprises a first bolt (20), the first bolt (20) is installed on the second cross rod (9), the first bolt (20) penetrates through the second threaded groove (11), and is in threaded connection with the first threaded groove (8).

7. The test apparatus for detecting the degree of deep sowing tolerance of seeds according to claim 1, characterized in that: The water collecting assembly comprises a water collecting box (22), the top of the water collecting box (22) is open, the water collecting 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 collecting box (22).

8. The test apparatus for detecting the degree of deep sowing tolerance of seeds according to claim 3, characterized in that: The cross section of the seed placing hole (13) is in an elliptical shape.

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