CN111198137A - Corn lodging generation and determination integrated device - Google Patents
Corn lodging generation and determination integrated device Download PDFInfo
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- CN111198137A CN111198137A CN202010136353.XA CN202010136353A CN111198137A CN 111198137 A CN111198137 A CN 111198137A CN 202010136353 A CN202010136353 A CN 202010136353A CN 111198137 A CN111198137 A CN 111198137A
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- stalk strength
- lodging
- stalk
- determination
- strength measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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Abstract
The invention discloses a corn lodging generation and determination integrated device, which comprises a frame arranged behind a traction device, wherein a plurality of rows of stalk strength determination devices are arranged in the frame, each row of stalk strength determination devices corresponds to a ridge of crops, and a transversely arranged stalk lodging push rod is respectively arranged on a pressure test head at the lower end of each stalk strength determination device; the height of each row of the stalk strength measuring devices is reduced from front to back in sequence; the lower end of the stalk strength measuring device is inclined forwards and is basically vertical to the lodging crop stalks. The invention has the advantages that: the plurality of stalk strength measuring devices can be driven to move forward at the same speed by the traction of the traction device, so that the stress of the corns at the same height is consistent; the pressure is measured and recorded while the lodging is simulated, so that the integration of lodging generation and measurement is realized; the method can uniformly and consistently complete the measurement of large-scale experimental materials in a short time, and greatly improve the experimental efficiency.
Description
Technical Field
The invention relates to a corn lodging generation and determination integrated device, which is used for testing lodging resistance of high-stalk crops (such as corn, sorghum and the like) and short-stalk crops such as rice, soybean and the like.
Background
Lodging means that the vertically growing crops are inclined in a sheet manner and even the whole plants are crawled over the ground. Lodging can reduce crop yield and quality, making harvesting difficult. Lodging resistance is an important target of crop breeding, and the requirements of corn production on lodging resistance are continuously increased under the condition that the planting mechanization degree of high-stalk crops such as corn and the like is higher and higher. How to breed lodging-resistant varieties becomes a key point and difficulty of corn breeding. The lodging is influenced by the natural environmental factors such as rainfall, strong wind and the like and the occurrence of plant diseases and insect pests, and is also related to the lodging resistance of crops. How to lodging the crop and how to evaluate lodging resistance in the crop breeding process remain difficult. The existing lodging generating device generates strong wind through a fan to cause crop lodging (pioneer company in the United states utilizes an artificial wind generating device to simulate the strong wind of different levels to cause crop lodging), and can only test in a fixed field, so that the quantity of tested materials is limited, the stress conditions of the tested materials are uneven, related equipment is protected by patents, and the manufacturing cost is high. In addition, current stalk strength measurement appearance is mostly single-end measuring force device, produces the slope of different angles through the artificial crop stalk that promotes, carries out the survey of pressure or pressure again, and degree of automation is low, wastes time and energy, and is inefficient.
Disclosure of Invention
The invention aims to provide a corn lodging generation and determination integrated device, which solves the problems of narrow application range, non-uniform action, difficult determination of stalk lodging stress and low automation degree of the existing lodging generation device.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a corn lodging generation and determination integrated device comprises a frame arranged behind a traction device, wherein a plurality of rows of stalk strength determination devices are arranged in the frame from front to back, each row of stalk strength determination devices corresponds to a ridge of crops, and a transversely arranged stalk lodging push rod is respectively arranged on a pressure test head at the lower end of each stalk strength determination device; the height of each row of the stalk strength measuring devices is reduced from front to back in sequence; the lower end of the stalk strength measuring device is inclined forwards and is basically vertical to the lodging crop stalks.
In a preferred embodiment of the present invention, the frame comprises a front beam, a rear beam, uprights and cross beams, the bottom ends of the three uprights are connected with the rear portion of the frame of the traction device, the top ends of the uprights at both sides are vertically connected with the front end of the front beam and the rear beam, and a plurality of cross beams are connected between the two front beams and the rear beams; the stalk strength measuring device is directly or indirectly arranged on the beam.
In a preferred embodiment of the present invention, there are three beams, a row of stalk strength measuring devices is respectively installed below each beam, and two stalk strength measuring devices are installed in each row; each stalk strength measuring device is connected with a cross beam corresponding to the upper part through a height adjusting mechanism.
In a preferred embodiment of the present invention, the height adjusting mechanism comprises a movable beam, a drop rod, a movable sleeve and a fastening bolt, wherein the top end of the drop rod is vertically connected with the lower surface of the beam, the movable sleeve is slidably sleeved outside the drop rod, and a screw hole is formed in the wall of the movable sleeve and the fastening bolt is installed; a movable beam is connected between the movable sleeves at the two sides, and the stalk strength measuring device is arranged on the movable beam.
According to a preferred embodiment of the invention, the height adjusting mechanism comprises a telescopic sleeve, a telescopic rod and a fastening bolt, wherein the top end of the telescopic sleeve is vertically connected with the lower surface of the cross beam, the top end of the telescopic rod is slidably inserted into the bottom end of the telescopic sleeve, and the wall of the telescopic sleeve is provided with a screw hole and the fastening bolt; the stalk strength measuring device is arranged at the bottom end of the telescopic rod.
In a preferred embodiment of the present invention, the stalk strength measuring device is connected to the frame by a hinge so that the inclination angle can be adjusted.
In a preferred embodiment of the present invention, the signal output end of the stalk strength measuring device is connected to a controller, and the controller is provided with a data output interface.
The invention has the advantages that: the plurality of stalk strength measuring devices can be driven to move forward at the same speed by the traction of the traction device, so that the stress of the corns at the same height is consistent; the pressure is measured and recorded while the lodging is simulated, so that the integration of lodging generation and measurement is realized; the traction device can be directly transformed by using the existing self-propelled high-pole pesticide spraying machine, so that the cost is saved; the method can uniformly and consistently complete the determination of large-scale experimental materials in a short time, and greatly improve the experimental efficiency.
Drawings
FIG. 1 is a schematic perspective view of the basic structure of the present invention;
FIG. 2 is a schematic view of the overall structure of an embodiment of the present invention (sectional view B-B in FIG. 3);
figure 3 is a left side view of figure 2 (without the first row of straw strength measuring device and its associated components);
fig. 4 is a sectional view a-a of fig. 2.
Description of reference numerals: 1. front and back roof beam, 2, stand, 3, crossbeam, 4, stalk intensity survey device, 5, the stalk lodging pushes away the pressure rod, 6, draw gear, 7, crop stalk, 8, furrow, 9, removal crossbeam, 10, telescopic tube, 11, telescopic link, 12, fastening bolt, 13, the pole that hangs down, 14, the removal sleeve, 15, fastening bolt.
Detailed Description
Referring to fig. 1, the corn lodging generation and determination integrated device comprises a frame arranged behind a traction device 6, wherein a plurality of rows of stalk strength determination devices 4 are arranged in the frame from front to back, each row of stalk strength determination devices 4 corresponds to a ridge of crops, and a transversely arranged stalk lodging push rod 5 is respectively arranged on a pressure test head at the lower end of each stalk strength determination device 4; the height of the stalk strength measuring devices 4 in each row is reduced from front to back in sequence; the lower end of the stalk strength measuring device 4 is inclined forward and is substantially perpendicular to the lodging crop stalks. The traction device 6 can adopt a common agricultural machinery traction device.
The frame comprises front and rear beams 1, upright posts 2 and cross beams 3, the bottom ends of the three upright posts 2 are connected with the rear part of the frame of the traction device 6, the top ends of the upright posts 2 at the two sides are vertically connected with the front end of one front and rear beam 1, and a plurality of cross beams 3 are connected between the two front and rear beams 1; the stalk strength measuring device 4 is directly or indirectly arranged on the beam 3.
The number of the beams 3 is three, a row of stalk strength measuring devices 4 is respectively arranged below each beam, and each row is provided with two stalk strength measuring devices 4; each stalk strength measuring device 4 is connected with the corresponding beam 3 above through a height adjusting mechanism.
The height adjusting mechanism comprises a movable beam 9, a drop rod 13, a movable sleeve 14 and a fastening bolt 15, wherein the top end of the drop rod 13 is vertically connected with the lower surface of the beam 3, the movable sleeve 14 is sleeved outside the drop rod 13 in a sliding manner, and the wall of the movable sleeve 14 is provided with a screw hole and the fastening bolt 15; a movable beam 9 is connected between the movable sleeves 14 at both sides, and the stalk strength measuring device 4 is installed on the movable beam 9.
The height adjusting mechanism comprises a telescopic sleeve 10, a telescopic rod 11 and a fastening bolt 12, wherein the top end of the telescopic sleeve 10 is vertically connected with the lower surface of the cross beam 3, the top end of the telescopic rod 11 is slidably inserted into the bottom end of the telescopic sleeve 10, and the pipe wall of the telescopic sleeve 10 is provided with a screw hole and the fastening bolt 12; the stalk strength measuring device 4 is arranged at the bottom end of the telescopic rod 11.
The height of the stalk strength measuring device 4 and the stalk lodging push-press stick 5 can be properly adjusted according to the height of the crops through the height adjusting mechanism. For the corn near the mature period, the height H1 ═ 0.5m, H2 ═ 1.0m, and H3 ═ 1.5m of the three rows of stalk lodging push rods 5 (set according to the variety of the crop). Stalk intensity survey device 4 pass through hinge and frame attach to can adjust inclination, make stalk intensity survey device 4's the detection head be in the vertically state with the stalk that lodges basically, make the data that detect more accurate. The hinge is of any conventional construction, and the simplest construction is to use a hinged shaft and to fasten it with a nut.
The signal output end of the stalk strength measuring device 4 is connected with a controller, and the controller is provided with a data output interface for connecting with external devices (such as a printer, a memory and the like).
The corn inclination and lodging device realizes corn inclination and lodging caused by agricultural mechanical traction force and integration of lodging and a pressure measuring device. The mechanical device directly acts on the corn stalks to simulate lodging and measure lodging stress simultaneously, so that the practical problems are simply and efficiently solved, and the principle is also suitable for being applied to short-stalk crops such as rice, soybean and the like.
The working principle of the invention (see fig. 1 and 2): the frame is driven forward by a traction device 6, such as a tractor. The front wheels 61 are driving wheels and can run in the furrows 8, and the width of the front wheels is not more than 60 centimeters. The towing attachment 6 can be purchased directly from the market, simply modified (connected to the frame).
When the frame moves forward, the stalk lodging push-press stick 5 mounted on the pressure test head at the lower end of each stalk strength measurement device 4 pushes different parts of the corn stalk 7 to incline, resulting in lodging. The detection head of the stalk strength measuring device 4 senses the pressure from the lodging generating device (stalk lodging pusher 5) and can record the output data through a printer or a memory. The stalk strength measuring device 4 of the present invention has a mature product in the market.
Claims (7)
1. A corn lodging generation and determination integrated device is characterized by comprising a frame arranged behind a traction device, wherein a plurality of rows of stalk strength determination devices are arranged in the frame from front to back, each row of stalk strength determination devices corresponds to a ridge of crops, and a transversely arranged stalk lodging push rod is respectively arranged on a pressure test head at the lower end of each stalk strength determination device; the height of each row of the stalk strength measuring devices is reduced from front to back in sequence; the lower end of the stalk strength measuring device is inclined forwards and is basically vertical to the lodging crop stalks.
2. The integrated corn lodging generation and determination device as claimed in claim 1, wherein the frame comprises a front beam, a rear beam, upright posts and cross beams, the bottom ends of the three upright posts are connected with the rear part of the frame of the traction device, the top ends of the upright posts at two sides are vertically connected with the front end of the front beam and the rear beam, and a plurality of cross beams are connected between the two front beams and the rear beams; the stalk strength measuring device is directly or indirectly arranged on the beam.
3. The integrated corn lodging generation and determination device as claimed in claim 1, wherein, three beams are provided, a row of stalk strength determination devices is respectively arranged below each beam, and two stalk strength determination devices are respectively arranged in each row; each stalk strength measuring device is connected with a cross beam corresponding to the upper part through a height adjusting mechanism.
4. The corn lodging generation and determination integrated device as claimed in claim 3, wherein the height adjustment mechanism comprises a movable beam, a drop rod, a movable sleeve and a fastening bolt, the top end of the drop rod is vertically connected with the lower surface of the beam, the movable sleeve is slidably sleeved outside the drop rod, a screw hole is arranged on the wall of the movable sleeve and the fastening bolt is mounted; a movable beam is connected between the movable sleeves at the two sides, and the stalk strength measuring device is arranged on the movable beam.
5. The corn lodging generation and determination integrated device as claimed in claim 3, wherein the height adjustment mechanism comprises a telescopic tube, a telescopic rod and a fastening bolt, the top end of the telescopic tube is vertically connected with the lower surface of the cross beam, the top end of the telescopic rod is slidably inserted into the bottom end of the telescopic tube, and the wall of the telescopic tube is provided with a screw hole and the fastening bolt is mounted; the stalk strength measuring device is arranged at the bottom end of the telescopic rod.
6. The integrated corn lodging generation and determination device as claimed in claim 1, wherein the stalk strength determination device is connected with the frame through a hinge so as to adjust the inclination angle.
7. The integrated corn lodging generation and determination device as claimed in claim 1, wherein the signal output end of the stalk strength determination device is connected with a controller, and the controller is provided with a data output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136353.XA CN111198137A (en) | 2020-03-02 | 2020-03-02 | Corn lodging generation and determination integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136353.XA CN111198137A (en) | 2020-03-02 | 2020-03-02 | Corn lodging generation and determination integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111198137A true CN111198137A (en) | 2020-05-26 |
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ID=70746809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010136353.XA Pending CN111198137A (en) | 2020-03-02 | 2020-03-02 | Corn lodging generation and determination integrated device |
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| Country | Link |
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| CN (1) | CN111198137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611707A (en) * | 2020-12-24 | 2021-04-06 | 海南大学 | Quick tester for rice root lodging |
| CN113720840A (en) * | 2021-08-12 | 2021-11-30 | 定西市农业科学研究院 | Oat species stem lodging resistance measuring device and using method thereof |
-
2020
- 2020-03-02 CN CN202010136353.XA patent/CN111198137A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611707A (en) * | 2020-12-24 | 2021-04-06 | 海南大学 | Quick tester for rice root lodging |
| CN112611707B (en) * | 2020-12-24 | 2023-04-28 | 海南大学 | Quick tester for lodging of rice root system |
| CN113720840A (en) * | 2021-08-12 | 2021-11-30 | 定西市农业科学研究院 | Oat species stem lodging resistance measuring device and using method thereof |
| CN113720840B (en) * | 2021-08-12 | 2024-02-09 | 定西市农业科学研究院 | Oat variety stalk lodging-resistant measuring device and application method thereof |
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