CN106643580B - A kind of paddy-field flattening degree detection system - Google Patents
A kind of paddy-field flattening degree detection system Download PDFInfo
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- CN106643580B CN106643580B CN201610822640.XA CN201610822640A CN106643580B CN 106643580 B CN106643580 B CN 106643580B CN 201610822640 A CN201610822640 A CN 201610822640A CN 106643580 B CN106643580 B CN 106643580B
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- guide rod
- paddy
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- main guide
- support plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of paddy-field flattening degree detection systems, belong to field of agricultural machinery, including float plate, main guide rod, supporting plate and range unit, float plate floats on the water surface of paddy field, main guide rod passes through float plate and can move up and down along float plate, main guide rod bottom end connects supporting plate, and range unit is located at the overhead of float plate and fixes with main guide rod.The invention can not only simple, low cost, the flatness data that paddy field is easily detected in paddy field water storage, be easy to the fine-grained management of underwater cultivation;It can also link with the paddy field leveler in traveling, provide flatness instant data for smooth executing agency, and then being adaptively adjusted for flattening mechanism can be made according to flatness data.
Description
Technical field
The invention mainly relates to field of agricultural machinery more particularly to a kind of paddy-field flattening degree detection systems.
Background technique
China is world agriculture big country, and agricultural is the tradition and basic industry in China, but China is also that water resource is poor simultaneously
Weary country.Southern region of China paddy field is more, and the plantation in paddy field is very high to flatness requirement, and fine smooth paddy field can be substantially
Irrigation water is saved on ground, is improved the utilization rate of fertilizer, is achieved the purpose that inexpensive high yield.
With the scale, fining and mechanization of China's agricultural development, it is all be unable to do without prepartion of land technology, and paddy field is flat
The detection technique of whole degree is to improve basis and the key of paddy-field flattening degree.Flatness is a kind of dimensionless index, what it was characterized
It is maximum raised or sunken degree in unit length, the measurement and evaluation of paddy-field flattening degree can provide one for paddy-field flattening operation
The objective indicator of a performance rating provides important information also for agro-farming operation, and the irrigation in the person field that can make Cultivate administration is applied
Fertilizer and deinsectization etc. make Optimal Decision-making.
Chinese patent CN201410542062 discloses a kind of dynamic paddy field flatness detecting device based on laser ranging
And method, research and paddy-field flattening degree detection.Find through field research, it is understood that there may be following problem: 1, measurement needs
Water is put it clean, the flatness situation in paddy field underwater mud face can not be measured in the normal water storage in paddy field;2, in can not be to advance
The smooth executing agency of paddy field leveler the instant data of flatness are provided, and then planisher cannot be made according to flatness data
Structure is adaptively adjusted.
Summary of the invention
To solve the above problems, it is an object of that present invention to provide a kind of paddy-field flattening degree detection systems.
To achieve the above object, the present invention provides a kind of paddy-field flattening degree detection system, including float plate, dominate to
Bar, supporting plate and range unit, the float plate float on the water surface of paddy field, and the main guide rod passes through the float plate and can edge
The float plate moves up and down, and the main guide rod bottom end connects the supporting plate, and the range unit is located at the float plate
Overhead is simultaneously fixed with the main guide rod, by the device, it can be achieved that in the case of the water storage of paddy field, simply, easily to paddy field water
The detection of the flatness in the mud face under face.
Further, the range unit includes distance measuring sensor, analysis processor, upper limit plate and rain cover, described
Upper limit plate is fixedly connected with the main guide rod and connect to form a cavity with rain cover, at the distance measuring sensor and analysis
Reason device is set in cavity, and the upper limit plate is provided with first through hole, and the measuring signal that the distance measuring sensor issues can pass through
The first through hole reaches the float plate, by range unit by different location relative to float plate this datum plane away from
From changing value, it is converted into the height change value of corresponding position, and then obtains flatness information.
Further, the distance measuring sensor is laser range sensor, and the analysis processor is one-chip computer module, institute
It states distance measuring sensor and distance measuring signal is sent to the analysis processor, generate paddy-field flattening degree evidence.
Further, further include be socketed on the main guide rod and be set to the float plate and the range unit it
Between be adjacent to apparatus for adjusting force, the apparatus for adjusting force that is adjacent to makes and main guide rod relative to the main guide rod bilateral symmetry
The supporting plate of connection is adjacent to the adjustable section of power to mud face, and symmetrical expression setting makes measuring system will not deflection.
Further, it is described be adjacent to apparatus for adjusting force include superposed support plate, positioned at lower part lower limiting board with
And connection the support plate and the lower limiting board preload regulating member, the lower limiting board be fixedly attached to it is described dominate to
On bar, the support plate passes through the main pilot hole which is provided with and is actively socketed on the main guide rod, the support plate and institute
It states and is respectively arranged with the second through-hole and third through-hole on lower limiting board, the measuring signal that the distance measuring sensor issues can lead to simultaneously
It crosses second through-hole and third through-hole reaches the float plate, the support plate is fixed force side, the preload adjustment portion
Part makes the supporting plate be close to paddy field mud face by adjusting the size of the active force between the support plate and the lower limiting board.
It further, further include that the main guide rod upper end is provided with the stepped part of outer diameter reduction and is socketed in the rank
The guiding pillar in terraced portion, the guiding pillar upper end connect the upper limit plate, and lower end is bonded fixation, institute with the lower limiting board
It states support plate to be actively socketed on the guiding pillar, which be fixed on lower limiting board on main guide rod.
Further, the preload regulating member includes that preloading spring, pre-load nut and auxiliary guide rod, the auxiliary are led
It include the threaded portion for being connected with pre-load nut and the smooth department for being connected with auxiliary straight line bearing to bar, the auxiliary guide rod is close
The end of threaded portion is fixed on the lower limiting board, and the other end passes through the preloading spring and is arranged in the support plate
Pilot hole is assisted, the preloading spring is socketed on the auxiliary guide rod and is arranged in the support plate and the pre-load nut
Between, by pre-tightening the adjustment effect of regulating member, make the adjustable section of adhesive force of supporting plate Yu mud face.
Further, linear bearing, the auxiliary are socketed in the main pilot hole in the support plate and auxiliary pilot hole
Guide rod and the guiding pillar are passed through from respective straight bearing, using linear bearing, reduce the frictional force between cooperation,
Keep guiding more smooth.
Further, for the supporting plate in opening towards the disc structure of the float plate, this kind of structure setting is flat in paddy field
When in complete machine, can preferably it advance on the mud face of paddy field.
Further, multiple supporting plate through-holes are provided on the supporting plate, can prevent supporting plate by mud face be sucked and can preferably
Exhaust the mud on supporting plate.
The invention has the following advantages:
1, can simple, low cost, the flatness data that paddy field is easily detected in paddy field water storage, be easy to water
The fine-grained management that Tagayasu Den makees;
2, it can link with the paddy field leveler in traveling, provide flatness instant data for smooth executing agency, Jin Erneng
Being adaptively adjusted for flattening mechanism is made according to flatness data.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is paddy-field flattening degree detecting system schematic diagram disclosed in the embodiment of the present invention one;
Fig. 2 is paddy-field flattening degree detecting system schematic diagram disclosed in the embodiment of the present invention two;
Marginal data:
1, supporting plate;11, supporting plate through-hole;2, main guide rod;21, stepped part;22, it is oriented to pillar;3, float plate;4, ranging fills
It sets;41, distance measuring sensor;42, analysis processor;43, rain cover;44, upper limit plate;45, first through hole;5, it is adjacent to power adjusting
Device;51, support plate;511, the second through-hole;512, linear bearing;52, lower limiting board;521, third through-hole;53, it pre-tightens and adjusts
Component;531, pre-load nut;532, preloading spring;533, guide rod is assisted;6, the paddy field water surface;7, paddy field mud face.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Embodiment one
The embodiment of the invention discloses a kind of paddy-field flattening degree detection systems, as shown in Figure 1, include float plate 3, dominate to
Bar 2, supporting plate 1 and range unit 4, float plate 3 can float on the paddy field water surface 6, and center is provided with a through-hole, and main guide rod 2 passes through
The central through hole of float plate 3 can simultaneously be moved up and down along float plate 3.Main guide rod 2 is a plastics rod piece, and both ends are equipped with screw thread
Portion, main 2 bottom end of guide rod are connected through a screw thread supporting plate 1, and disc structure is made by engineering plastics in supporting plate 1, are open towards float
Plate 3, wherein the face smooth treatment that float plate 3 is contacted with paddy field mud face 7, convenient for reducing the friction with paddy field mud face when in use
Power, meanwhile, it is provided with multiple supporting plate through-holes 11 on float plate 3, supporting plate 1 can be prevented to be sucked and can preferably exhaust support by mud face
Mud on plate 1.Range unit 4 is located at the overhead of float plate 3 and is screwed with main guide rod 2.Wherein, range unit 4 includes
Distance measuring sensor 41, analysis processor 42, upper limit plate 44 and rain cover 43, upper limit plate 44 are screwed with main guide rod 2
It connects and is connect with rain cover 43 and form a cavity, wherein engineering plastics injection molding system can be used in upper limit plate 44 and rain cover 43
At, and be connected by screw to together.Distance measuring sensor 41 and analysis processor 42 are set in cavity, are opened on upper limit plate 44
There is first through hole 45, the measuring signal that distance measuring sensor 41 issues can pass through first through hole 45 and reach float plate 3.In the present embodiment
In, distance measuring sensor 41 is pulse type laser distance measuring sensor, and analysis processor 42 is one-chip computer module, and distance measuring sensor 41 will
Distance measuring signal is sent to analysis processor 42, generates paddy-field flattening degree evidence.
Wherein, the working principle of above-mentioned paddy-field flattening degree measurement is: float plate 3 is with respect to 6 holding position height of the paddy field water surface
Do not change, i.e., with float plate 3 for measuring basis plane, supporting plate 1 incudes the height variation in paddy field mud face 7, is existed by main guide rod 2
About 51 relative support plate vertically moves in linear bearing 512.The distance measuring sensor 41 in range unit 4 is installed on by first
Through-hole 45, the second through-hole 511 and the measurement of third through-hole 521 change relative to the elevation of float plate 3, and are transferred to analysis processor
42, the location data of 42 acquisition position sensor of analysis processor carries out position-elevation variation combination, is converted into smooth degree
According to realize the flatness detection for being detected field.
When in use, it is only necessary to which the device is placed in the different location in paddy field, it can acquisition measures different location
Height change, wherein the acquisition process process of data is as follows:
S1: initialization before measurement, analysis processor 42 obtain current positioning coordinate.
S2: laser range sensor passes through the reflection ranging of float plate 3, i.e., is abswolute level with the float plate 3 of horizontal plane
With reference to generating the range data of the position.
S3: analysis processor 42 combines the positioning coordinate of range data and different location, generates the flatness publication in paddy field
Point diagram.
In practical applications, the paddy-field flattening degree point diagram data that above-mentioned analysis processor 42 obtains, can be used for subsequent
Analysis can be used for the control centre that will put diagram data input paddy field leveler, convenient for paddy field leveler according to paddy field difference
The height of position, which rises and falls, adjusts the working method of flattening mechanism.
Embodiment two
Due to it is actual be applied to paddy-field flattening machine operation when, since machine evokes ripples and water in paddy-field-working
The reasons such as buoyancy, cause supporting plate 1 of the invention that cannot be fitted in well on paddy field mud face 7;Meanwhile in order to enable the device
Enough and paddy field leveler realizes linkage operation, i.e. paddy field leveler can obtain i.e. in leveling operation by flattened region in real time
Flatness data and make being adaptively adjusted for flattening mechanism, therefore on the basis of the above embodiment 1, in order to make supporting plate 1 with
Adhesive force between paddy field mud face 7 is adjustable, further increases the accuracy of paddy-field flattening degree measurement, while realizing that linkage is made
Industry, also setting one is adjacent to apparatus for adjusting force 5 on the basis of the embodiment of the present invention one, as shown in Fig. 2, this is adjacent to apparatus for adjusting force
5 are arranged on main guide rod 2 and between float plate 3 and range unit 4, are adjacent to apparatus for adjusting force 5 relative to main guide rod 2
Symmetrically.Wherein, be adjacent to apparatus for adjusting force 5 include superposed support plate 51, positioned at lower part lower limiting board 52 and
The preload regulating member 53 of support plate 51 and lower limiting board 52 is connected, lower limiting board 52 is fixedly attached on main guide rod 2, is supported
Plate 51 passes through the main pilot hole which is provided with and is actively socketed on main guide rod 2, sets respectively on support plate 51 and lower limiting board 52
It is equipped with the second through-hole 511 and third through-hole 521, the measuring signal that distance measuring sensor 41 issues can pass through the second through-hole 511 simultaneously
Float plate 3 is reached with third through-hole 521, support plate 51 is fixed force side, is fixedly installed on the flattening mechanism of paddy field leveler
On, support plate is plastic part, can be connect using usual manners such as screw threads with paddy field leveler.It pre-tightens regulating member 53 and passes through tune
The size of active force between section support plate 51 and lower limiting board 52 makes supporting plate 1 be close to paddy field mud face 7.In the present embodiment, dominate
2 upper end of bar is provided with the stepped part 21 and the guiding pillar 22 for being socketed in stepped part 21 that outer diameter reduces, is oriented on pillar 22
End connection upper limit plate 44, lower end are bonded fixation with lower limiting board 52, and support plate 51 is actively socketed on guiding pillar 22.It pre-tightens
Regulating member 53 includes preloading spring 532, pre-load nut 531 and auxiliary guide rod 533, and auxiliary guide rod 533 includes being connected with
The threaded portion of pre-load nut 531 and the smooth department for being connected with auxiliary straight line bearing 512 assist guide rod 533 close to threaded portion
End is fixed on lower limiting board 52, the auxiliary pilot hole that the other end passes through preloading spring 532 and is arranged in support plate 51, in advance
Tight spring 532 is socketed on auxiliary guide rod 533 and is arranged between support plate 51 and pre-load nut 531.Wherein, support plate 51
On main pilot hole and auxiliary pilot hole in be socketed with linear bearing 512, auxiliary guide rod 533 and guiding pillar 22 are from corresponding
It is passed through in linear bearing 512, by linear bearing, not only realizes its guiding role, while reducing the friction of engagement process
Power.It is adjacent to apparatus for adjusting force 5 not only and realizes supporting plate 1 and the adjustable section of power is adjacent to paddy field mud face 7, while can dexterously lead to
The detection system is fixed on paddy field leveler by the support plate 51 for crossing socket, realizes measurement and paddy field leveler in operation
Linkage.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of paddy-field flattening degree detection system, which is characterized in that including float plate, main guide rod, supporting plate and range unit, institute
Float plate to be stated to float on the water surface of paddy field, the main guide rod passes through the float plate and can move up and down along the float plate,
The main guide rod bottom end connects the supporting plate, the range unit be located at the overhead of the float plate and with the main guide rod
It is fixed;
The system also includes be socketed on the main guide rod and be set between the float plate and the range unit
It is adjacent to apparatus for adjusting force, the apparatus for adjusting force that is adjacent to is relative to the main guide rod bilateral symmetry.
2. paddy-field flattening degree detection system according to claim 1, which is characterized in that the range unit includes that ranging passes
Sensor, analysis processor, upper limit plate and rain cover, the upper limit plate is fixedly connected with the main guide rod and and rain cover
Connection forms a cavity, and the distance measuring sensor and analysis processor are set in cavity, and it is logical that the upper limit plate is provided with first
Hole, the measuring signal that the distance measuring sensor issues can pass through the first through hole and reach the float plate.
3. paddy-field flattening degree detection system according to claim 2, which is characterized in that the distance measuring sensor is Laser Measuring
Away from sensor, the analysis processor is one-chip computer module, and distance measuring signal is sent at the analysis by the distance measuring sensor
Device is managed, paddy-field flattening degree evidence is generated.
4. paddy-field flattening degree detection system according to claim 3, which is characterized in that the apparatus for adjusting force that is adjacent to includes
Superposed support plate, positioned at lower part lower limiting board and connect the preload of the support plate and the lower limiting board and adjust
Component, the lower limiting board are fixedly attached on the main guide rod, and it is living that the support plate passes through the main pilot hole which is provided with
It is dynamic to be socketed on the main guide rod, it is provided with the second through-hole in the support plate, it is logical that third is provided on the lower limiting board
Hole, the measuring signal that the distance measuring sensor issues can reach the float by second through-hole and third through-hole simultaneously
Plate, the support plate are fixed force side, the preloads regulating member by the adjusting support plate and the lower limiting board it
Between the size of active force so that the supporting plate is close to paddy field mud face.
5. paddy-field flattening degree detection system according to claim 4, which is characterized in that further include the main guide rod upper end
It is provided with the stepped part of outer diameter reduction and is socketed in the guiding pillar of the stepped part, described in the guiding pillar upper end connection
Upper limit plate, lower end are bonded fixation with the lower limiting board, and the support plate is actively socketed on the guiding pillar.
6. paddy-field flattening degree detection system according to claim 4 or 5, which is characterized in that the preload regulating member packet
Preloading spring, pre-load nut and auxiliary guide rod are included, the auxiliary guide rod includes threaded portion and the company for being connected with pre-load nut
It is connected to the smooth department of auxiliary straight line bearing, the auxiliary guide rod is fixed on the lower limiting board close to the end of threaded portion,
The auxiliary pilot hole that the other end passes through the preloading spring and is arranged in the support plate, the preloading spring are socketed in described
It assists on guide rod and is arranged between the support plate and the pre-load nut.
7. paddy-field flattening degree detection system according to claim 5, which is characterized in that the main pilot hole in the support plate
It is socketed with linear bearing in auxiliary pilot hole, the auxiliary guide rod and the guiding pillar are worn from respective straight bearing
It crosses.
8. paddy-field flattening degree detection system according to claim 1, which is characterized in that the supporting plate is in opening described in
The disc structure of float plate.
9. paddy-field flattening degree detection system according to claim 8, which is characterized in that be provided with multiple supporting plates on the supporting plate
Through-hole.
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CN201610822640.XA CN106643580B (en) | 2016-09-14 | 2016-09-14 | A kind of paddy-field flattening degree detection system |
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CN106643580B true CN106643580B (en) | 2019-04-19 |
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