CN112964836B - Portable in-situ measuring device for crop falling-off property - Google Patents
Portable in-situ measuring device for crop falling-off property Download PDFInfo
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- CN112964836B CN112964836B CN202110284793.4A CN202110284793A CN112964836B CN 112964836 B CN112964836 B CN 112964836B CN 202110284793 A CN202110284793 A CN 202110284793A CN 112964836 B CN112964836 B CN 112964836B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0098—Plants or trees
Abstract
The invention discloses a portable in-situ measuring device for crop falling performance, belonging to the technical field of agriculture; aims to provide a falling particle measuring device with simple structure, convenient operation and accurate measurement. It comprises a grain receiving disc; the grain receiving plate is formed by hinging and involuting two semicircular plates (6), and a first through hole (16) is arranged at the central position of the grain receiving plate; a cover plate is arranged above the grain receiving plate, the cover plate is formed by hinging and involuting two semicircular plates (1), and a second through hole (14) is arranged in the center of the cover plate; the grain receiving disc is fixedly connected with the cover plate through a transparent film (2), and the left end and the right end of the film are connected through a connecting piece (13); the back of the cover plate is hinged with a supporting leg (5), the back of the grain receiving plate is hinged with an auxiliary supporting leg (7), and a vibrating device is arranged in the grain receiving plate. The invention is not influenced by environmental factors such as weather and the like and human operation factors, has high measuring efficiency, and is a special device for measuring the seed falling property in situ in the field.
Description
Technical Field
The invention relates to a plant seed shattering performance measuring device, in particular to a portable in-situ measuring device for crop shattering performance; belongs to the technical field of agriculture.
Background
The phenomenon that plant seeds are naturally scattered on the ground after being mature is an adaptive mechanism of self-propagating progeny formed by plants in long-term survival competition. For crops, if the crop shattering property is strong, even if threshing is convenient, the seed shattering in the mature period is aggravated under the action of external force such as natural wind power or artificial activities, so that crop harvest loss is caused, and the crop yield is influenced; on the contrary, if the dropping property is weak, the defects of difficult seed threshing and large waste are brought after harvesting. Therefore, accurate screening of crop varieties with moderate grain size is an important way to reduce yield loss in manual or mechanical harvesting.
The determination of crop shattering has not yet formed a uniform standard. At present, the falling property is mainly measured by a high falling method, an artificial ear-shaking method, a natural collection method, a tensiometer method, and the like. The traditional method has the defects of large influence of human factors, poor accuracy and consistency, troublesome operation and the like, and has low detection efficiency because the stalks of crop plants need to be cut and then are brought back to a laboratory for detection. In order to overcome the defects existing in laboratory detection, Chinese patent documents respectively disclose ' a device for measuring the grain falling rate of crops and wild closely related seeds thereof (CN 206540891U) ' an assembled rice grain falling rate measuring device (CN 205301323U) ' and ' a device for measuring the grain falling rate of awn wheat (CN 204989182U) ', wherein the patents can realize field head detection, but still need to intercept plant stalks and still damage the plants; not only influences the growth of immature seeds, but also the mature seeds are easy to fall off in the transportation process, and finally influences the accuracy of measured data.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the portable in-situ measuring device for the crop falling-off property, which has the advantages of simple structure, convenient operation and accurate measurement.
In order to achieve the purpose, the invention adopts the following technical scheme: it comprises a grain receiving disc; the grain receiving plate is formed by hinging and involuting two semicircular plates, and a first through hole is formed in the center of the grain receiving plate; a cover plate formed by hinging and involuting two semicircular plates is arranged above the grain receiving plate, and a second through hole is arranged in the center of the cover plate; the grain receiving disc is fixedly connected with the cover plate through a transparent film which is curled into a cylindrical structure, and the left end and the right end of the film are connected through a connecting piece; the back of apron articulates there is the supporting legs, and the back of connecing grain dish articulates there is supplementary stabilizer blade, connects and installs vibrating device in the grain dish.
In the technical scheme, the vibrating device is composed of a supporting rod which is arranged in the grain receiving disc and is in an inverted L shape, a vibrating motor which is fixed on the supporting rod, a fixed rod which is fixed in the grain receiving disc and a rubber ring which connects the fixed rod and the supporting rod, wherein the fixed rod and the vertical section of the supporting rod are both in a telescopic rod type structure; the supporting legs and the auxiliary supporting legs are all of telescopic rod type structures; the first through hole is bulged upwards to form a circular bulge to form a cylindrical structure, and a shielding film which is curled into a horn-shaped structure and covers the first through hole is arranged above the bulge; the bottom surface of the grain receiving plate is provided with a circular groove-shaped structure formed by surrounding the bulge, the lowest part of the circular groove is provided with a discharge hole, and the discharge hole is blocked; the two semicircular plates are locked and fixed through a locking device, and the locking device is composed of a hook hinged on one semicircular plate and a bolt fixed on the other semicircular plate; the two semicircular disks are locked and fixed through another set of locking device, and the locking device consists of another hook hinged on one semicircular disk and another bolt fixed on the other semicircular disk.
Compared with the prior art, the invention has the following advantages because of adopting the technical scheme:
1) connect a dish, apron all to adopt two semicircular structures to close through articulated mode and form, and connect and adopt transparent film to connect between a dish and the apron, consequently utilize this device can cover whole plant, or to the partial cage that the plant needs survey, realize waiting to measure the plant and keep apart with the external world to avoid the interference of factors such as wind-force, birds.
2) The vibration motor not only can effectively avoid the influence of artificial factors such as a high-altitude dropping method, an artificial ear shaking method and the like, but also can adapt to crops with different dropping properties by changing parameters such as a vibration source action part, vibration frequency, amplitude, vibration duration and the like.
3) Supporting legs, supplementary stabilizer blade, the vertical section of bracing piece etc. all adopt telescopic adjustable structure, consequently not only can satisfy the not requirement of co-altitude of crop, but also be convenient for accomodate and carry.
4) The shielding film capable of covering the first through hole is arranged above the circular-ring-shaped bulge, so that the counting error caused by the leakage of the seeds from the first through hole can be avoided.
In a word, the invention has the advantages of good operation consistency, stable falling particle repeatability, high measuring efficiency, simple structure, convenient operation, convenient carrying, crop damage and the like, and can be used for measuring crops with different falling particle attributes.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a view from the direction B in FIG. 2;
FIG. 4 is a cross-sectional view taken at C-C of FIG. 2;
FIG. 5 is a schematic view of the cover of FIG. 3 after deployment;
fig. 6 is a schematic view of the structure of the drip pan of fig. 4 after being unfolded.
In the figure: the device comprises a semicircular plate 1, a thin film 2, a vibration motor 3, a supporting rod 4, a supporting leg 5, a semicircular disc 6, an auxiliary supporting leg 7, a protrusion 8, a power supply and control device 9, a hook 10, a fixing rod 11, a rubber ring 12, a connecting piece 13, a second through hole 14, a plug 15, a first through hole 16, a shielding film 17, a stem 18 and a plug pin 19.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in FIGS. 1-6: the grain receiving disc is formed by hinging and involuting two semicircular discs 6 through a hinge (not marked in the figure), and a first through hole 16 for a stalk 18 to pass through is arranged at the center of the grain receiving disc; a cover plate formed by hinging and involuting two semicircular plates 1 through another hinge (not marked in the figure) is arranged above the grain receiving plate, and the center of the cover plate is provided with a second through hole 14 for the stalk 18 to pass through; the grain receiving disc is fixedly connected with the cover plate through a transparent film 2 which is curled into a cylindrical structure, and the left end and the right end of the film can be in butt joint or lap joint through connecting pieces 13 such as zippers, bonding pastes and magnetic sheets. The back of the cover plate is hinged with three or four supporting legs 5, the back of the grain receiving plate is hinged with three or four auxiliary supporting legs 7, and a vibrating device is arranged in the grain receiving plate. The vibrating device is composed of a supporting rod 4 which is arranged in a grain receiving disc and is in an inverted L shape, a vibrating motor 3 fixed on the transverse section of the supporting rod, a fixed rod 11 inserted in the grain receiving disc and an elastic rubber ring 12 connecting the fixed rod and the supporting rod 4, and the transverse section of the supporting rod 4 can rotate around the vertical section of the supporting rod. In order to facilitate the selection of the action position of the vibration source relative to the stem 18, the vertical sections of the fixed rod 11 and the support rod 4 are both of a telescopic rod type structure.
In order to facilitate the control of the vibration device, a power supply and control device 9 is provided below the pellet receiving tray and electrically connected to the vibration motor 3 via a wire (not shown).
In order to adapt to crops with different heights, the supporting feet 5 and the auxiliary supporting feet 7 are both of telescopic rod type structures.
In order to prevent the seeds from leaking through the first through hole 16, the first through hole is raised upwards to form a circular ring-shaped bulge 8, and a shielding film 17 which is curled into a horn-shaped structure and is bound on the stem 18 to cover the first through hole 16 is arranged above the bulge.
In order to collect seeds, the bottom surface of the seed receiving plate adopts a groove-shaped structure formed by surrounding the protrusion 8, the lowest part of the circular groove is provided with a discharge hole, and the discharge hole is internally provided with a plug 15.
In order to ensure that the two semicircular plates 1 are stably folded, the two semicircular plates 1 are locked and fixed through a locking device. The locking device is composed of a hook 10 hinged on one semicircular plate 1 and a bolt 19 fixed on the other semicircular plate 1.
Similarly, in order to ensure that the two semicircular disks 6 are stably combined, the two semicircular disks 6 are locked and fixed through another set of locking device, and the locking device is composed of another hook 10 hinged on one semicircular disk 6 and another bolt 19 fixed on the other semicircular disk 6.
When in use, the two opened semicircular plates 1 and the two opened semicircular disks 6 are used for enclosing the stems 18, so that the stems 18 penetrate out of the first through hole 16 and the second through hole 14; the heights and angles of the supporting legs 5 and the auxiliary supporting legs 7 are adjusted to ensure the whole stability of the device. The supporting rod 4 and the fixing rod 11 which are fixed with the vibrating motor 3 are respectively inserted and arranged on the bottom surface of the grain receiving plate, the height of the supporting rod 4 is adjusted, and then the fixing rod 11 is connected with the transverse section of the supporting rod 4 through the elastic rubber ring 12, so that the supporting rod 4 can be always in contact with the stem 18. A shielding film 17 which is bound on the stem 18 and forms a horn-shaped structure covers the first through hole 16 below the vibration motor 3; then the two ends of the film 2 are folded or lapped into a cylindrical structure through the connecting piece 13. The power cord (not shown) of the vibration motor 3 is passed through the first through hole 16 and connected to the power supply and control device 6, and the power switch is turned on.
Claims (5)
1. A portable in-situ measuring device for crop falling-off property comprises a grain receiving disc; the method is characterized in that: the grain receiving plate is formed by hinging and involuting two semicircular plates (6), and a first through hole (16) is arranged at the central position of the grain receiving plate; a cover plate formed by hinging and involuting two semicircular plates (1) is arranged above the grain receiving plate, and a second through hole (14) is arranged in the center of the cover plate; the two opened semicircular discs (6) and the two opened semicircular plates (1) surround the stalks (18), and the stalks (18) upwards penetrate out of the first through hole (16) and the second through hole (14); the grain receiving disc is fixedly connected with the cover plate through a transparent film (2) which is curled into a cylindrical structure, and the left end and the right end of the film are connected through a connecting piece (13); the back of the cover plate is hinged with a supporting leg (5), the back of the grain receiving disc is hinged with an auxiliary supporting leg (7), and a vibrating device is arranged in the grain receiving disc; the vibrating device is composed of a supporting rod (4) which is arranged in a particle receiving disc and is in an inverted L shape, a vibrating motor (3) fixed on the supporting rod, a fixed rod (11) fixed in the particle receiving disc and a rubber ring (12) connected with the fixed rod and the supporting rod, and the vertical sections of the fixed rod (11) and the supporting rod (4) are of telescopic rod type structures.
2. The portable in-situ measuring device of crop shatterability according to claim 1, characterized in that: the supporting legs (5) and the auxiliary supporting legs (7) are all of telescopic rod type structures.
3. The portable in-situ measuring device of crop shatterability according to claim 1, characterized in that: the first through hole (16) is raised upwards to form a circular bulge (8), and a shielding film (17) which is curled into a horn-shaped structure and covers the first through hole (16) is arranged above the bulge.
4. The portable in-situ measuring device of crop shattering ability according to claim 3, characterized in that: the bottom surface of the grain receiving plate is of a groove-shaped structure formed by surrounding the bulge (8), the lowest part of the circular groove is provided with a discharge hole, and a plug (15) is arranged in the discharge hole.
5. The portable in-situ measuring device for crop shattering performance according to any one of claims 1 to 4, wherein: the two semicircular plates (1) are locked and fixed through a locking device, and the locking device is composed of a hook (10) hinged on one semicircular plate (1) and a bolt (19) fixed on the other semicircular plate (1); the two semicircular discs (6) are locked and fixed through another set of locking device, and the locking device consists of another hook (10) hinged on one semicircular disc (6) and another bolt (19) fixed on the other semicircular disc (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284793.4A CN112964836B (en) | 2021-03-16 | 2021-03-16 | Portable in-situ measuring device for crop falling-off property |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110284793.4A CN112964836B (en) | 2021-03-16 | 2021-03-16 | Portable in-situ measuring device for crop falling-off property |
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| CN112964836A CN112964836A (en) | 2021-06-15 |
| CN112964836B true CN112964836B (en) | 2022-06-14 |
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