CN102589508B - Lawn coverage instrument - Google Patents
Lawn coverage instrument Download PDFInfo
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- CN102589508B CN102589508B CN201210013279.8A CN201210013279A CN102589508B CN 102589508 B CN102589508 B CN 102589508B CN 201210013279 A CN201210013279 A CN 201210013279A CN 102589508 B CN102589508 B CN 102589508B
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- lawn
- bar
- instrument
- probe
- supporting plate
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Abstract
The invention discloses a lawn coverage instrument, which comprises an instrument bracket and a measuring probe rack mounted on the instrument bracket. A plurality of probes which are regularly arranged are mounted on the measuring probe rack and are adjustable in height. When the lawn coverage instrument disclosed by the invention is applied to measurement, whether lawn grasses exist at positions where the probes are located, or the categories of the lawn grasses at the positions where the probes are located is recorded, so that the coverage of the lawn grass in a measured area or a quadrat is calculated; the probes are regularly arranged and can be moved upwards and downwards along with the movement of the measuring probe rack, and thus, the manual measuring and metering are facilitated; and a bracket plate is adjustable in height along vertical supporting rods, so that the lawn coverage instrument can be applicable to the measurement of the coverage of lawns with different grass seeds. The lawn coverage instrument has the advantages of scientific conception, easiness in manufacture, simplicity in operation, convenience in carrying, and accurate measured results, can be used for the investigation and study on the lawn grass, short and low ground cover plants and the like, and is also applicable to the study on the distribution condition and the coverage of different lawn grass seeds in mixed-sowing lawns.
Description
Technical field
The present invention relates to a kind of surveying instrument of ground flora cover degree, particularly relate to a kind of lawn coverage instrument.
Background technology
The living standard that is accompanied by people is more and more higher, the construction of ecologic environment has been subject to the extensive attention of society, and lawn has the environment of afforesting and beautifying, absorption dust, the effect such as improve the ecological environment, therefore people are also improving gradually to the requirement of Lawn, lawn should be reached of good quality, color and luster is attractive in appearance, and green phase length waits requirement again.In modern society, the area coverage on lawn has become the sign of weighing a country or urban civilization degree.The function on lawn is is not only afforested and beautified environment, is regulated microclimate, absorption dust, but also can protect Tu Gupo, conserve water and soil, prevent noise pollution, the function such as protection and recovery eyesight.
Cover degree refers to that the area of plant shoot minute vertical projection takes up an area the ratio of face, is called again projective cover degree.Lawn coverage refers to the ratio of the shared land area of planimetric area and lawn of lawn plant on certain area.Cover degree is the index with density dependent, but density can not reflect individual distribution situation completely, and cover degree can represent the spatial dimension that plant occupies.The size of cover degree can reflect the upgrowth situation of turf grass species to a certain extent, and the ability of turfgrass Adaptable growth environment.
The now domestic measuring method to turfgrass sample ground cover degree mainly contains: (1) ocular estimate: first will make an area is 1m
2yoke, with cord, be divided into 100 1dm
2little lattice, during mensuration, yoke is placed on selected sampling point, range estimation counting lawn plant proportion in every lattice, then, by after the observed reading statistics of every lattice, expresses the cover degree value on lawn with percentage; (2) photographic process: principle be with the camera of high pixel to sample prescription vertically make a video recording, and then utilize computing machine related software comparison film to process, and analyze lawn vegetation information, be then calculated to be lawn coverage value; (3) bayonet point: be again sampling point method, its method is that elongated pin is vertical or angled through grass layer, repeatedly, then adds up number of times and total contact number that plant species number and each plant species contact with pin.Although ocular estimate is simple, subjective, the result of mensuration is relevant with gauger's experience and yardstick.Along with scientific and technical progress, in the photographic process measurement that is used in cover degree gradually, but photographic process is very high to the equipment requirement of camera, is not easy to again carry.At present, the main method of measuring lawn coverage in China is bayonet point, although the relevant scientific research personnel of country has made some cover degree survey instruments, instrument is coarse, and accuracy is not high.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is in the bayonet point of lawn coverage, how to improve the accuracy that lawn coverage is measured.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of lawn coverage instrument, it comprises instrument support and measurement punch block mounted thereto, and the probe of a plurality of regular arrangement is installed on described measurement punch block, the height of described probe is adjustable.
Wherein, described instrument support comprises for being positioned over ground horizontal support plate, is vertically set on the vertical pole on described horizontal support plate, and vertical connecting pole and perpendicular supporting plate; Described measurement punch block is arranged on described supporting plate.
Wherein, on described supporting plate, offer through hole, described vertical pole, through described through hole, is provided with star-like bolt on described supporting plate, the central shaft of described star-like bolt is vertical with the central shaft of described through hole, and described star-like bolt is for being positioned at described vertical pole by described supporting plate.
Wherein, described measurement punch block comprises that many are vertically set on every probe mounting rod that vertically moves bar lower end equidistantly through the bars that vertically move of described supporting plate, described probe mounting rod with described in to vertically move bar vertical.
Wherein, described probe mounting rod bottom arranges a plurality of equally spaced probe mount pads, and described probe is arranged on described probe mount pad; Distance between adjacent probe mount pad equates with the adjacent distance vertically moving between bar.
Wherein, on described supporting plate, offer porose, described in vertically move bar by described hole through described supporting plate, described in the diameter in described hole is greater than, vertically move the cross-sectional diameter of bar.
Wherein, described in vertically move bar upper end mounting nuts, vertically move described between described nut and described supporting plate and on bar, be arranged with back-moving spring.
Wherein, described in vertically move bar upper end and be positioned at described nut top, be provided with button; Described a plurality of vertically moving in bar, is divided into one group with adjacent at least two; Every group vertically move in bar, steadying plate is set, described steadying plate is clamped between each nut and button that vertically moves bar.
Wherein, described in vertically move bar and there are ten, on the probe mounting rod that every vertically moves bar, five probe mount pads are set; Take adjacent two vertically move bar as one group, steadying plate is set.
Wherein, the height of described vertical pole is 10cm～30cm, and the distance between described adjacent probe mount pad is 3cm～10cm.
(3) beneficial effect
The lawn coverage instrument that technique scheme provides, while measuring application, has or not the kind of turfgrass or turfgrass to carry out record according to probe drop point place, the cover degree of turfgrass in computation and measurement region or sample prescription; Probe regular arrangement and can moving up and down along with measuring moving of punch block, is convenient to manual measurement metering; Supporting plate is adjustable along the height of vertical pole, to be applicable to the measurement of turf-grass cover degree; This lawn coverage instrument design science, makes easily, and simple to operate, easy to carry, measurement result is accurate, can be used for the investigation of turfgrass, short cover plant etc., is also applicable to the research of turfgrass distribution situation and coverage in mixed seeding lawn.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of the lawn coverage instrument of the embodiment of the present invention;
Fig. 2 is the wiring layout of the lawn coverage instrument of the embodiment of the present invention;
Fig. 3 is the front view of the lawn coverage instrument of the embodiment of the present invention;
Fig. 4 is the side view of the lawn coverage instrument of the embodiment of the present invention;
Fig. 5 is the vertical view of the lawn coverage instrument of the embodiment of the present invention.
Wherein, 1: horizontal support plate; 2: vertical pole; 3: supporting plate; 4: star-like bolt; 5: vertically move bar; 6: probe mounting rod; 7: probe mount pad; 8: probe; 9: back-moving spring; 10: nut; 11: steadying plate; 12: button.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Fig. 1 shows the axonometric drawing of the lawn coverage instrument of the present embodiment, structure for the lawn coverage instrument of clearer understanding the present embodiment, Fig. 2 shows the assembling schematic diagram of the present embodiment lawn coverage instrument, and Fig. 3 to Fig. 5 shows respectively its front view, side view and vertical view.Shown in Fig. 5, the present embodiment lawn coverage instrument comprises instrument support and measurement punch block mounted thereto, and the probe 8 of a plurality of regular arrangement is installed on described measurement punch block, and described probe 8 realizes along with measuring moving up and down of punch block that it is highly adjustable.
Particularly, described instrument support comprises for being positioned over ground horizontal support plate 1, is vertically set on the vertical pole 2 on described horizontal support plate 1, and vertical connecting pole 2 and perpendicular supporting plate 3; Described measurement punch block is arranged on described supporting plate 3.The effect of horizontal support plate 1 is that the lawn coverage instrument of the present embodiment is supported and placed on the ground, horizontal support plate 1 can adopt the sheet material with certain width, also two poles intersection can be fixed together, vertically pole 2 is arranged on point of fixity position, to realize the support of 1 pair of vertical pole 2 of horizontal support plate.
The needs of measuring in order to meet many grass seeds turfgrass cover degree, vertically the height of pole 2 is arranged between 10cm～30cm, in the present embodiment, be specifically set to 20cm, on supporting plate 3, offer through hole, described vertical pole 2 is through described through hole, and star-like bolt 4 is set at the two ends of described supporting plate 3, and the central shaft of described star-like bolt 4 is vertical with the central shaft of described through hole, and described star-like bolt 4 is for being positioned at described vertical pole 2 by described supporting plate 3.When needing the height of adjusting pole plate 3, by regulating star-like bolt 4 releasing bracket plates 3, supporting plate 3 is carried out after height control, then regulate 3 lockings of 4 pairs of supporting plates of star-like bolt.The present embodiment medium-height trestle plate 3 is set to rectangular slab, and length is in 48cm left and right, and the about 2cm of width, to install and measure punch block on supporting plate 3.
In the present embodiment, measure punch block specifically comprise many equidistantly through described supporting plate 3 vertically move bar 5, and be vertically set on every probe mounting rod 6 that vertically moves bar 5 lower ends, described probe mounting rod 6 with described in vertically move the vertical setting of bar 5.Described probe mounting rod 6 bottoms arrange a plurality of equally spaced probe mount pads 7, and described probe 8 is arranged on described probe mount pad 7; Distance between adjacent probe mount pad 7 equates with the adjacent distance vertically moving between bar 5.Distance between adjacent probe mount pad 7 is set to 3cm～10cm, the precision of measuring to improve lawn coverage, and the distance in the present embodiment between adjacent probe mount pad 7 is set to 4cm.
In order to realize the height of probe 8, can freely adjust, the present embodiment is offered porose on supporting plate 3, the described bar 5 that vertically moves passes described supporting plate 3 by described hole, described in the diameter in described hole is greater than, vertically move the cross-sectional diameter of bar 5, so that vertically move bar 5, can pass described hole free lifting.And, at the described bar 5 upper end mounting nuts 10 that vertically move, vertically move described between described nut 10 and described supporting plate 3 and on bar 5, be arranged with back-moving spring 9.The setting of back-moving spring 9 can realize and will vertically move after bar 5 forces down downwards, and the effect by back-moving spring 9 makes to vertically move bar 5 and automatically sets back.
Vertically move bar 5 through the hole on supporting plate 3 because of independent one, when it is pressed down, can there is directions skew in the probe mounting rod 6 that vertically moves bar 5 belows, and impact is measured and used.For this reason, described, vertically move bar 5 upper ends and be positioned at above described nut 10, button 12 is set; Described a plurality of vertically moving in bar 5, is divided into one group with adjacent at least two; Every group vertically move in bar 5, steadying plate 11 is set, described steadying plate 11 is clamped between each nut that vertically moves bar 5 10 and button 12, vertically moves bar 5 and is associated, with the stability that guarantees that surveyingpin chord position is put by steadying plate 11 by one group.
In the present embodiment, vertically move bar 5 and there are ten, on the probe mounting rod 6 that every vertically moves bar 5, five probe mount pads 7 are set; Take adjacent two vertically move bar 5 as one group, steadying plate 11 is set.This kind of arrangement, is convenient to human metering, and in the time of can not causing one group of probe 8 too much, human metering task is large, measures inaccurate problem.
When the lawn coverage instrument of use the present embodiment carries out lawn coverage measurement, before measuring, lawn coverage instrument should be installed, during measurement, on the green grassland of measuring at needs, choose at random a sample ground, lawn coverage instrument is placed on above sample ground, then according to the height of turfgrass, regulates the height of supporting plate 3 on vertical pole 2.Fix after lawn coverage instrument, just can carry out cover degree and add up.First press the button 12, record the turf grass species of probe 8 in first stinging the number of times in record thorn, these data are recorded in lawn coverage record sheet.If weeds are just recorded to weeds one hurdle in probe 8 thorns; If what vacant lot in thorn of all hitting off the target of probe 8, is just recorded to bare area one hurdle.Press successively other button 12, and be recorded in lawn coverage record sheet.Generally, while measuring lawn coverage, depending on the size of sample area, at least 100 probes 8 of every sample ground application are measured, and the number of times that probe 8 is measured is more, and error is less.After measuring the cover degree in certain piece region, sample ground, can continue to measure choosing one or more regions with other region on the same ground, or the adjacent sample of another piece measure again.
As can be seen from the above embodiments, embodiment of the present invention lawn coverage instrument, when measuring application, has or not the kind of turfgrass or turfgrass to carry out record according to probe drop point place, the cover degree of turfgrass in computation and measurement region or sample prescription; Probe regular arrangement and can moving up and down along with measuring moving of punch block, is convenient to manual measurement metering; Supporting plate is adjustable along the height of vertical pole, to be applicable to the measurement of turf-grass cover degree; This lawn coverage instrument design science, makes easily, and simple to operate, easy to carry, measurement result is accurate, can be used for the investigation of turfgrass, short cover plant etc., is also applicable to the research of turfgrass distribution situation and coverage in mixed seeding lawn.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (7)
1. a lawn coverage instrument, is characterized in that, comprises instrument support and measurement punch block mounted thereto, and the probe of a plurality of regular arrangement is installed on described measurement punch block, and the height of described probe is adjustable; Described instrument support comprises for being positioned over ground horizontal support plate, is vertically set on the vertical pole on described horizontal support plate, and vertical connecting pole and perpendicular supporting plate; Described measurement punch block is arranged on described supporting plate;
Described measurement punch block comprises that many are vertically set on every probe mounting rod that vertically moves bar lower end equidistantly through the bars that vertically move of described supporting plate, described probe mounting rod with described in to vertically move bar vertical;
The described bar upper end mounting nuts that vertically moves, vertically moves described between described nut and described supporting plate and on bar, is arranged with back-moving spring.
2. lawn coverage instrument as claimed in claim 1, it is characterized in that, on described supporting plate, offer through hole, described vertical pole is through described through hole, on described supporting plate, be provided with star-like bolt, the central shaft of described star-like bolt is vertical with the central shaft of described through hole, and described star-like bolt is for being positioned at described vertical pole by described supporting plate.
3. lawn coverage instrument as claimed in claim 1, is characterized in that, described probe mounting rod bottom arranges a plurality of equally spaced probe mount pads, and described probe is arranged on described probe mount pad; Distance between adjacent probe mount pad equates with the adjacent distance vertically moving between bar.
4. lawn coverage instrument as claimed in claim 3, is characterized in that, on described supporting plate, offer porose, described in vertically move bar by described hole through described supporting plate, described in the diameter in described hole is greater than, vertically move the cross-sectional diameter of bar.
5. lawn coverage instrument as claimed in claim 1, is characterized in that, described in vertically move bar upper end and be positioned at described nut top, be provided with button; Described a plurality of vertically moving in bar, is divided into one group with adjacent at least two; Every group vertically move in bar, steadying plate is set, described steadying plate is clamped between each nut and button that vertically moves bar.
6. lawn coverage instrument as claimed in claim 5, is characterized in that, described in vertically move bar and there are ten, on the probe mounting rod that every vertically moves bar, five probe mount pads are set; Take adjacent two vertically move bar as one group, steadying plate is set.
7. lawn coverage instrument as claimed in claim 6, is characterized in that, the height of described vertical pole is 10cm～30cm, and the distance between described adjacent probe mount pad is 3cm～10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210013279.8A CN102589508B (en) | 2012-01-16 | 2012-01-16 | Lawn coverage instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210013279.8A CN102589508B (en) | 2012-01-16 | 2012-01-16 | Lawn coverage instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102589508A CN102589508A (en) | 2012-07-18 |
| CN102589508B true CN102589508B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210013279.8A Expired - Fee Related CN102589508B (en) | 2012-01-16 | 2012-01-16 | Lawn coverage instrument |
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| CN (1) | CN102589508B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965323A (en) * | 2015-07-21 | 2015-10-07 | 京东方科技集团股份有限公司 | Test jig |
| CN105891211B (en) * | 2016-05-13 | 2023-12-01 | 内蒙古自治区林业科学研究院 | Laser measuring instrument for vegetation coverage of grasslands |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10185551A (en) * | 1996-12-25 | 1998-07-14 | Sumitomo Rubber Ind Ltd | Apparatus for measuring volume of golf ball dimple and small projection of mold |
| CN200955956Y (en) * | 2006-06-14 | 2007-10-03 | 全国畜牧总站 | Lawn plainness instrument |
| US7397252B2 (en) * | 2006-07-31 | 2008-07-08 | International Business Machines Corporation | Measurement of critical dimension and quantification of electron beam size at real time using electron beam induced current |
| CN101493894B (en) * | 2009-03-11 | 2010-10-13 | 北京林业大学 | Method for estimating vegetation cover degree by digital photo |
| CN101509751A (en) * | 2009-03-16 | 2009-08-19 | 北京林业大学 | Herb sample area cover degree, sub cover degree measuring apparatus |
| CN101915565A (en) * | 2010-07-20 | 2010-12-15 | 中国科学院寒区旱区环境与工程研究所 | Outdoor measuring sample frame for coverage of cryptogam |
| CN102313682A (en) * | 2011-07-21 | 2012-01-11 | 中国农业科学院农业资源与农业区划研究所 | Simulator of grassland vegetation coverage and simulation method thereof |
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