CN104180734B - A kind of plant lodging measurement bevel protractor - Google Patents
A kind of plant lodging measurement bevel protractor Download PDFInfo
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- CN104180734B CN104180734B CN201410417702.XA CN201410417702A CN104180734B CN 104180734 B CN104180734 B CN 104180734B CN 201410417702 A CN201410417702 A CN 201410417702A CN 104180734 B CN104180734 B CN 104180734B
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Abstract
The invention discloses a kind of bevel protractor used for field crops lodging research, its architectural feature is that the bevel protractor is mainly formed including quiet chi, dynamic chi, connection chi and the part of fixed sleeving four；There is length scale to be used as object of reference in plant lodging angular surveying with direct measurement crop groups canopy height to be measured on quiet chi；Connection chi is provided with " V " shape groove along long axis direction, and 0~90 ° of angle value is carved with its first half, the angle that the goniometry crop groups stalk between quiet chi and dynamic chi that the slip by means of moving chi edge connection chi " V " shape groove is formed lodges.Bevel protractor is independent or the measurement that can realize crop groups canopy height, field crops lodging angle and crop penetrometer resistance continuous mode crop stem lodging angle is used in combination with crop penetrometer resistance analyzer.
Description
Art
The present invention relates to a kind of height and angle measuring tool, more particularly to one kind can quickly be measured under field condition
The angle of crop groups stalk lodging angle in crop groups height, plant lodging angle and crop penetrometer resistance continuous mode
Spend chi.
Background technology
Lodging is to make crop stem from nature by what the internal and external factor collective effects such as wind, rain and crop stem characteristic were triggered
Erectility is to the phenomenon forever to misplace.Lodging is still high crop yield, the most important factors of stable yields such as current restriction wheat, rice
One of.Lodging not only has a strong impact on crop yield but also the quality that can be grown due to fungi, produce toxin and then influence grain.
At present, although preventing that the method for plant lodging is a lot, crop-planting, management method are such as optimized, using plant growth regulator control
Fabrication height, short-stalked crop kind etc. is cultivated, but cultivate and be still prevent lodging most effective from crop varieties resistant to lodging
Method.
In recent decades, people once used many methods to identify the penetrometer resistance of crop.These method foundations
Its principle or operation format can be divided into three major types type：First, nature or artificial induction's plant lodging evaluation assessment, such as pass through increase
Powerful wind-force inducing wheat caused by the measure of the cultivation management such as planting density, excessive applied nitrogen and utilization properller
Lodging；Second, crop stem physical characteristic evaluation assessment, as stalk load-bearing method, stalk laterally fracture strength detection method, straw stiffness
Determination method；Third, mechanics evaluation method, wheat stalk is evaluated using mechanical index such as the modulus of elasticity of stalk base pitch and bend resistance intensity
The lodging resistance of stalk.
At present, the use of more crop authentication method resistant to lodging is both at home and abroad field straw stiffness assay method, that is, utilizes
When straw stiffness analyzer, crop penetrometer resistance analyzer measure make the crop stem lodge to ground into 30 °~45 ° of angles
Required thrust or pulling force, the penetrometer resistance of crop is evaluated using its straw stiffness.Crop penetrometer resistance continuous mode
The operation posture of middle device for measuring force and make crop stem lodge final angle on measurement result precision influence it is very big.
At present, conventional angle measurement unit is divided into two classes by its principle：One kind is protractor formula mechanical angle measurement dress
Put, such device is used for mechanical drawing, teaching or the measurement of small-sized object angle；Another kind of is electron type level angular surveying
Device, such device are used for the measurement of building structure angle.The former is smaller, the latter is larger, is not suitable for being used as field crops
The measurement for the angle that lodges.
The content of the invention
It is available for field crops are resistant to lodging to study the height used and angle measuring tool, solution it is an object of the invention to provide a kind of
Certainly colony's lodging angle in crop groups canopy height in crop research resistant to lodging, lodging angle, penetrometer resistance continuous mode
Measurement problem, improve measuring lodging-resistant strength of crop result accuracy.
The invention belongs to mechanical height and angle measurement unit.
Bevel protractor disclosed by the invention mainly includes quiet chi, dynamic chi, connection chi and the part of fixed sleeving four.There is length on quiet chi
Scale is spent, keeps vertical motionless as object of reference in plant lodging angular surveying, simultaneously because there is length scale direct
Measure the height of crop plant to be measured；There is length scale on dynamic chi, bevel protractor is used in crop penetrometer resistance measure away from treating
Survey the measure of crop base portion horizontal range；Connection chi long axis direction is provided with " V " groove, and 0~90 ° of angle is carved with its first half
Value.Both quiet chi and dynamic chi are got up by the perforate of its lower end using screw connection；Couple perforate and quiet chi of the chi by front end
The perforate of middle and lower part is connected using flat head screw, and rear end then utilizes flat head screw by the perforate in the middle part of its " V " shape groove and dynamic chi
Connected with dynamic chi, form complete bevel protractor.Bevel protractor borrows the dynamic chi quiet chi that the slip along connection chi " V " shape groove is formed
The angle of goniometry crop groups stalk lodging between dynamic chi.For convenience of matching somebody with somebody for bevel protractor and penetrometer resistance analyzer
Close and use, bevel protractor is welded on metal fixed sleeving by means of quiet chi, sleeve pipe is simultaneously welded with fastening screw and is used for angle in addition
The fixation of chi.
The beneficial effects of the invention are as follows can rapidly be determined in field crops research resistant to lodging crop groups height,
The measure of plant lodging angle in angle and crop penetrometer resistance continuous mode that crop lodges, it is anti-fall to improve crop
Lie prostrate the accuracy of strength detection.The apparatus structure is simple, compact, opens during use, not the used time can fold up, it is firm resistance to
With, it is easy to use.
Brief description of the drawings
The present invention will be further described below in conjunction with the accompanying drawings.
Fig. 1：Present invention expansion measuring state schematic diagram；
Fig. 2：The present invention folds collapsed state schematic diagram；
Fig. 3：Quiet chi structural representation；
Fig. 4：Couple chi structural representation；
Fig. 5：Dynamic chi structural representation；
In figure:The quiet chis of 01-, 02- move chi, and 03- connection chis, the quiet chis of 04- are with coupling chi fixed screw, 05- connection chi " V " shapes
Groove, 06- connection chis and dynamic chi fixed screw, the quiet chis of 07- and dynamic chi fixed screw, 08- fixed sleevings, 09- bevel protractors fix spiral shell
Silk nut, 10- bevel protractor fixed screws, 11- circular scale bars, the quiet chis of 12- and dynamic chi fixed screw holes, the quiet chis of 13- are with coupling
Chi fixed screw holes, 14- connection chis and quiet chi fixed screw holes, 15 dynamic chis and quiet chi fixed screw holes, 16- move chi with coupling chi
Fixed screw holes.
Embodiment
The assembling of bevel protractor：(1) the quiet chis of 01- move chi with 02- and are connected both by means of screw by 12- perforates and 15- perforates
Get up；(2) 03- connection chi one end is connected to 01- by 14- perforates and the 04- perforates at the nearly middle part of the quiet chis of 01- by screw
On quiet chi, it is moved chi with 02- by 05- " V " shapes groove and 02- the 16- perforates moved in the middle part of chi and connected by the other end, has been formed
Whole bevel protractor；(3) bevel protractor is soldered on 08- fixed sleevings through the quiet chis of 01-.
The bevel protractor of the present invention is combined individually or with crop penetrometer resistance analyzer and can realize following three kinds of functions.
The measure of plant height：Bevel protractor is vertically fixed near crop groups to be measured, passes through the height on the quiet chis of 01-
Scale can directly measure the canopy height of crop groups to be measured.
The measure of field crops lodging angle：Bevel protractor is vertically fixed near laid crop root to be measured, pulls 02-
When dynamic chi makes it parallel with lodging stalk, the angle shown on 03- connection chis is the angle of plant lodging.
The Accurate Determining of crop penetrometer resistance：(1) it is bevel protractor is resistant to lodging strong fixed to crop by 08- fixed sleevings
Spend the lower end of analyzer；(2) crop penetrometer resistance analyzer is vertically fixed on away from 0.5 meter of left side in front of crop base portion to be measured
It is right；(3) angle that adjusting the dynamic chis of 02- makes the quiet chis of 01- and 02- move between chi is 45 °, and the screw that is tightened is allowed to keep constant；
(4) device for measuring force on Level Promoting penetrometer resistance analyzer, wait that surveyed crop groups stalk tilts to and moved with bevel protractor 02-
Stop when chi is parallel, read the numerical value of device for measuring force, this numerical value is crop groups penetrometer resistance.
Claims (1)
1. a kind of bevel protractor used for field crops lodging research, its architectural feature is that the bevel protractor mainly includes quiet chi, moved
Four chi, connection chi and fixed sleeving parts, quiet chi are provided with the length scale for being used for measuring crop plant height, and quiet chi is being made
It is used as object of reference during thing lodging angular surveying；Dynamic chi, which is provided with, to be used to determine horizontal range of the bevel protractor away from crop base portion to be measured
Length scale；The connection chi is provided with " V " shape groove along long axis direction, and 0~90 ° of angle value is carved with its first half, by
What the goniometry crop groups stalk between the quiet chi and dynamic chi that slip of the dynamic chi along connection chi " V " shape groove is formed lodged
Angle；The quiet chi and dynamic chi are connected both using screw by the perforate of its lower end；Connection chi front end passes through front end
Perforate be connected with the perforate of quiet chi middle and lower part using flat head screw, rear end then passes through the perforate profit in the middle part of its " V " groove and dynamic chi
Connected with flat head screw and dynamic chi, form complete bevel protractor；Bevel protractor is soldered on fixed sleeving through the quiet chi
And quiet chi is set up in parallel with fixed sleeving；The bevel protractor when folding collapsed state, the quiet chi, connection chi, dynamic chi on
Extend and forward lap together vertically down；When deploying measuring state, the fixed sleeving and quiet chi are the bevel protractor
Vertical extension up and down, the connection chi are the straight extension in left and right, and the dynamic chi is inclination extension from left to right from bottom to top；It is described
It is resistant to lodging that bevel protractor is fixed to crop by bevel protractor in the Accurate Determining of crop penetrometer resistance, first by the fixed sleeving
The lower end of intensity measuring device；Crop penetrometer resistance analyzer is vertically fixed on away from 0.5 meter of left side in front of crop base portion to be measured again
It is right；Then adjusting dynamic chi makes the angle between quiet chi and dynamic chi be 45 °, and the screw that is tightened is allowed to keep constant；Then it is horizontal
The device for measuring force on penetrometer resistance analyzer is promoted, is stopped when surveyed crop groups stalk tilts to parallel with the dynamic chi
Only, the numerical value of device for measuring force is read, this numerical value is crop groups penetrometer resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417702.XA CN104180734B (en) | 2014-08-25 | 2014-08-25 | A kind of plant lodging measurement bevel protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417702.XA CN104180734B (en) | 2014-08-25 | 2014-08-25 | A kind of plant lodging measurement bevel protractor |
Publications (2)
| Publication Number | Publication Date |
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| CN104180734A CN104180734A (en) | 2014-12-03 |
| CN104180734B true CN104180734B (en) | 2018-03-23 |
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| CN201410417702.XA Active CN104180734B (en) | 2014-08-25 | 2014-08-25 | A kind of plant lodging measurement bevel protractor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300253A (en) * | 2014-07-28 | 2016-02-03 | 中国科学院遗传与发育生物学研究所 | Rice tillering angle measuring instrument |
| CN107991228B (en) * | 2017-11-09 | 2020-10-16 | 贾鑫 | Measuring tool for breeding lodging-resistant corn varieties |
| CN108171615B (en) * | 2017-12-28 | 2021-12-17 | 河南中原光电测控技术有限公司 | Crop lodging disaster monitoring method and system thereof |
| CN111637826A (en) * | 2020-06-02 | 2020-09-08 | 广西壮族自治区农业科学院 | Sugarcane lodging angle rapid measuring device and using method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060734U (en) * | 1990-01-05 | 1990-08-22 | 廖仁德 | Multi-purpose drawing aids |
| CN2163364Y (en) * | 1993-05-29 | 1994-04-27 | 李波 | Mobile angle rule |
| DE19730524C1 (en) * | 1997-07-16 | 1998-12-17 | Hofmann Werkstatt Technik | Device for mounting two rollers rotatably mounted in parallel in a frame, onto which a motor vehicle wheel can be placed on a vehicle in a test stand, in particular for measuring its wheel position |
| CN2716802Y (en) * | 2004-09-01 | 2005-08-10 | 中国科学院沈阳自动化研究所 | A novel parallel corner measuring mechanism |
| CN201092202Y (en) * | 2007-07-26 | 2008-07-30 | 池三丑 | Compass convenient for measuring radius |
| CN201092205Y (en) * | 2007-09-05 | 2008-07-30 | 牛余鹏 | Multifunctional square |
| CN201109311Y (en) * | 2007-11-09 | 2008-09-03 | 蒋晓婷 | Deformable combined type triangular rule |
| CN201456767U (en) * | 2009-09-03 | 2010-05-12 | 施江平 | Multipurpose sight protecting ruler |
| CN101923022B (en) * | 2010-07-23 | 2012-04-25 | 北京农业智能装备技术研究中心 | Hand-held device and method for measuring lodging-resistant strength of crop |
| CN202242592U (en) * | 2011-10-09 | 2012-05-30 | 周为保 | Novel multifunctional drawing ruler |
| CN203286977U (en) * | 2013-06-24 | 2013-11-13 | 山西大运汽车制造有限公司 | Center line inspection tool for vehicle frame measurement |
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