CN209512817U - Seeder ditching depth dynamic measurement device - Google Patents
Seeder ditching depth dynamic measurement device Download PDFInfo
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- CN209512817U CN209512817U CN201920298151.8U CN201920298151U CN209512817U CN 209512817 U CN209512817 U CN 209512817U CN 201920298151 U CN201920298151 U CN 201920298151U CN 209512817 U CN209512817 U CN 209512817U
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Abstract
The utility model embodiment is related to agriculture intelligent equipment field, provides a kind of seeder ditching depth dynamic measurement device and includes: swing arm pin shaft and limit deep arm angle measuring mechanism；The deep arm angle measuring mechanism of the limit includes first sensor；One end of the swing arm pin shaft is fixedly connected with rack；Deep arm is limited rotatably to be set in outside the swing arm pin shaft；The rotation axis of the first sensor is connected with the other end of the swing arm pin shaft, the rotation angle for the deep arm of limit described in real-time detection.Seeder ditching depth dynamic measurement device provided by the embodiment of the utility model, first sensor is connected by the other end in swing arm pin shaft, so that the first sensor can limit the rotation angle of deep arm with real-time detection, and then the real-time depth of planting of seeder is obtained according to the rotation angle of the limit depth arm, the dynamic measurement for realizing depth of planting, improves the accuracy and accuracy of depth of planting measurement.
Description
Technical field
The utility model embodiment is related to agriculture intelligent equipment technology field more particularly to a kind of seeder ditching depth is dynamic
State measuring device.
Background technique
In seeding operation, depth of planting influences seed sprouting, emergence and later period growth and development.Inconsistent depth of planting,
It will affect Phase ofsprouting, cause big seedling phenomenon, and then influence yield.When actual job, under the effect of profiling double leval jib, open
Ditch device cuts soil along stubble breaking knife direction and outputs kind of a ditch, and then patch ground moves simultaneously compacting soil to the gauge wheel of two sides always,
Middle plough and gauge wheel relative position difference are ditching depth.The measurement of existing seed level mainly falls soil spring ignoring seed
Under factor, seed planting depth is estimated by measurement planter ditching depth.Measurement method, which mainly passes through to be mounted on, to be broadcast
The ground level of the measurement equipment operation such as ultrasonic sensor or laser range sensor on kind monomer, and then calculate trench digging
Depth.Ultrasonic sensor or laser range sensor mainly transmit principle of reflection come ranging, in tradition in air using acousto-optic
It is higher to plough measurement accuracy on the soil after haveing suffered, but under conservation tillage, sensor measurement performance is covered by surface relief, stubble
The complex working conditions such as lid influence, and measurement error fluctuation is larger.
Utility model content
The utility model embodiment provides a kind of seeder ditching depth dynamic measurement device, to solve in the prior art
The problem for controlling seeder ditching depth measurement inaccuracy realizes the dynamic measurement of seeder ditching depth.
The utility model embodiment provides a kind of seeder ditching depth dynamic measurement device, comprising: swing arm pin shaft and limit
Deep arm angle measuring mechanism；The deep arm angle measuring mechanism of the limit includes first sensor；One end of the swing arm pin shaft and machine
Frame is fixedly connected；Deep arm is limited rotatably to be set in outside the swing arm pin shaft；The rotation axis of the first sensor and the pendulum
The other end of arm pin shaft is connected.
Wherein, the deep arm angle measuring mechanism of the limit further include: shaft coupling and connector；The rotation of the first sensor
Axis, the shaft coupling and connector sequence are connected, and the one end of the connector far from the shaft coupling and the swing arm
The other end of pin shaft is connected.
Wherein, the deep arm angle measuring mechanism of the limit further include: coupler sleeve；The coupler sleeve is set in the shaft coupling
Outside device, one end of the coupler sleeve is connected with the deep arm of the limit, the other end of the coupler sleeve and the first sensor
It is connected.
Wherein, the deep arm angle measuring mechanism of the limit further include: first sensor set；The first sensor set is set in
Outside the first sensor；One end of the first sensor set is connected with the coupler sleeve.
Wherein, multiple adjustment holes are offered on the side wall of the coupler sleeve, the adjustment hole is opposite with the shaft coupling.
Wherein, the coupler sleeve offers circular hole close to the end of the swing arm pin shaft.
Seeder ditching depth dynamic measurement device provided by the embodiment of the utility model, by the another of swing arm pin shaft
End connection first sensor, so that the first sensor can limit the rotation angle of deep arm with real-time detection, and then according to limit depth
The rotation angle of arm obtains the real-time depth of planting of seeder, realizes the dynamic measurement of depth of planting, improves depth of planting survey
The accuracy and accuracy of amount.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram provided by the utility model for limiting deep arm angle measuring mechanism；
Fig. 2 is the cross-sectional view shown in FIG. 1 for limiting deep arm angle measuring mechanism；
Fig. 3 is the installation diagram provided by the utility model for limiting deep arm angle measuring mechanism；
Fig. 4 is depth of planting measuring principle figure provided by the utility model；
Wherein, 1- plough；2- limits deep arm；3- gauge wheel；41- first sensor set；42- first sensor；43- shaft coupling
Device；44- coupler sleeve；45- connector；47- adjustment hole；48- circular hole；5- swing arm pin shaft.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Fig. 1 is the structure of a preferred embodiment of seeder ditching depth dynamic measurement device provided by the utility model
Schematic diagram, as depicted in figs. 1 and 2, the seeder ditching depth dynamic measurement device include: swing arm pin shaft 5 and the deep arm angle of limit
Measuring mechanism；Limiting deep arm angle measuring mechanism includes first sensor 42；One end of swing arm pin shaft 5 is fixedly connected with rack；Limit
Deep arm is rotatably set in outside swing arm pin shaft 5, and the rotation axis of first sensor 42 is connected with the other end of swing arm pin shaft 5.
Specific address, for example, the first sensor 42 is angular transducer or obliquity sensor etc., as long as i.e. first biography
Sensor 42 can detecte the rotation angle for limiting deep arm 2, can be the sensor of arbitrary structures form.And the deep arm 2 of limit can
It is rotatably set in outside swing arm pin shaft 5, and one end of swing arm pin shaft 5 is fixedly connected with rack 1, then it, should when sowing machine operation
Limiting deep arm 2 can rotate around swing arm pin shaft 5.And the rotation axis of first sensor 42 is connected with the other end of swing arm spool,
The rotation angle of deep arm 2 can be then limited by 42 real-time detection of first sensor.
Depth of planting measuring principle as shown in Figure 4 is broadcast it is found that when not considering itself stress deformation of gauge wheel 3
The ditching depth of kind monomer are as follows:
H=L+Rc-Hs-Rw (1)
The swing height H of gauge wheel 3sIt can be as obtained by limiting the rotational angle of deep arm and calculate, it may be assumed that
Hs=Ls sinθ (2)
According to the ditching depth of formula (1) and (2) planter are as follows:
H=L+Rc-Rw-Ls sinθ (3)
Assuming that seeder thickness of earth covering is Δ h, the then depth of planting of planter are as follows:
H '=H+ Δ h=L+Rc-Rw-Ls sinθ+Δh (4)
In formula, L indicates the height of hinge joint of the shaft of plough 1 apart from swing arm pin shaft 5, mm；θ indicates to limit deep arm and broadcast
The angle of the rack of kind monomer, °；HsIndicate the height of the hinge joint of the circle center distance swing arm pin shaft 5 of gauge wheel 3, m；LsIndicate limit
The length of deep arm, mm；RwIndicate the radius of gauge wheel 3, mm；RcIndicate the radius of plough 1, mm；H indicates ditching depth, mm；
H ' expression depth of planting, mm.
And L, R in formula (4)w、Rc、LsThe gain of parameter of the practical seeder of measurement, seeder thickness of earth covering can be passed through
Δ h can be by actually measured, therefore, it is only necessary to know that depth of planting can be obtained in the rotational angle θ for limiting deep arm, and limits deep arm
Rotational angle θ can be measured by first sensor and be obtained, it can obtained the depth of planting of seeder in real time, realized depth of planting
Dynamic measurement.
In the utility model embodiment, by swing arm pin shaft 5 the other end connect first sensor so that this first
Sensor can limit the rotation angle of deep arm 2 with real-time detection, and then it is real-time according to the rotation angle of the limit depth arm 2 to obtain seeder
Depth of planting, realize depth of planting dynamic measurement, improve depth of planting measurement accuracy and accuracy.
Further, as shown in Figures 2 and 3, deep arm angle measuring mechanism is limited further include: shaft coupling 43 and connector 45；
Rotation axis, shaft coupling 43 and the connector 45 of first sensor 42 are sequentially connected, and the one end of connector 45 far from shaft coupling 43
It is connected with the other end of swing arm pin shaft 5.For example, the connector 45 is connection bolt etc..For example, the rotation of first sensor 42
The connection relationship of axis, shaft coupling 43 and connector 45 is to be fixedly connected or be detachably connected.And connector 45 is far from shaft coupling
43 one end is connected with the other end of swing arm pin shaft 5, as shown in Figure 3；For example, the connection relationship of the two is to be fixedly connected or removable
Connection etc. is unloaded, then can guarantee the concentricity of first sensor 42 and swing arm pin shaft 5 by shaft coupling 43 and connector 45, so that the
One sensor 42 is capable of the rotation angle of the accurate deep arm 2 of detection limit.
Further, the deep arm angle measuring mechanism of the limit further include: coupler sleeve 44 and first sensor set 41；Shaft coupling
Device set 44 is set in outside shaft coupling 43, and first sensor set 41 is set in outside first sensor 42；One end of coupler sleeve 44 with
It limits deep arm 2 to be connected, the other end is connected with first sensor 42 and first sensor set 41.That is, coupler sleeve 44 will limit deep arm 2 with
First sensor 42 is fixed, is connected for example, coupler sleeve 44 passes through screw etc. with the mounting hole on first sensor 42, then the connection
Axis device set 44 can also prevent dust in seeder operation process from entering first sensor 42, shadow while protecting shaft coupling 43
Ring the rotation axis rotation of first sensor 42.And 41 be set in first sensor set outside first sensor 42, play protection the
The effect of one sensor 42, avoids first sensor 42 from colliding with other component；And by the first sensor set 41 connection
End is connected with the other end of coupler sleeve 44, for example, the connection relationship of the two is to be fixedly connected or be detachably connected.Then pass through
The limit depth arm angle measuring mechanism will limit the rotation for being converted into first sensor 42 of deep arm 2, can be directly obtained and turn
Dynamic angle, improves measurement accuracy and convenience.
Further, as shown in Figure 1, offering multiple adjustment holes 47 on the side wall of coupler sleeve 44, adjustment hole 47 and connection
Axis device 43 is opposite；By opening up multiple adjustment holes 47 on the side wall of coupler sleeve 44, i.e., on coupler sleeve 44 with shaft coupling
43 opposite positions open up multiple adjustment holes 47, using the adjustment hole 47 shaft coupling 43 can be adjusted during the installation process and
Fastening, so that the installation process of shaft coupling 43 is more convenient.
Further, coupler sleeve 44 offers circular hole 48 close to the end of swing arm pin shaft 5.In connecting bushing close to pendulum
The end of arm pin shaft 5 opens up circular hole 48, to adjust the signal output area of first sensor 42 in a certain range
To adjust the signal output area of first sensor 42 in the arc length of circular hole 48.
In addition, can establish ditching depth by way of indoor standardization before actual job and limit the rotation angle of deep arm
The model of correlation, the model are as follows:
Y=ax+b (5)
In formula, x indicates to limit the rotation angle of deep arm, rad；Y indicates ditching depth, mm；A, b indicates constant.Constant a and b
It can be determined according to the structure size of seeder, i.e. constant a and b can be according to the shaft of plough 1 apart from the hinged of swing arm pin shaft 5
The height L of point, the length L for limiting deep arms, gauge wheel 3 radius RwWith the radius R of plough 1cTo determine.
For example, the model can be arranged on seeder, or the model is arranged in be connected with seeder it is upper
On machine etc.；As long as that is, by the model and first sensor, the rotation angle of the deep arm of the limit of first sensor real-time detection is defeated
Enter the model, the ditching depth of seeder can be exported in real time.
During planter actual job, under the action of profiling double leval jib, plough 1 is cut along the direction of stubble breaking knife
Enter soil and output kind of a ditch, then patch ground moves simultaneously compacting soil to the gauge wheel 3 of two sides always, wherein plough 1 and gauge wheel 3
Relative position difference is the ditching depth of planter.Deep arm can be limited with real-time measurement by the measuring device of the utility model
Angle is rotated, can be obtained the relative position of 1 bottom of plough and 3 bottom surface of gauge wheel by centainly calculating to get to seeder
Ditching depth.Since the ditching depth dynamic measurement device calculates ditching depth by the position of gauge wheel 3, therefore it can be with
Suitable for the operation plot under crop residue cover, the accuracy of ditching depth measurement is improved；It can be controlled depth of planting as feedback
Signal processed improves the depth of planting consistency of seeder, advantageously ensures that the stability of depth of planting.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (6)
1. a kind of seeder ditching depth dynamic measurement device characterized by comprising swing arm pin shaft and the deep arm angle measurement of limit
Mechanism；The deep arm angle measuring mechanism of the limit includes first sensor；
One end of the swing arm pin shaft is fixedly connected with rack；Deep arm is limited rotatably to be set in outside the swing arm pin shaft；
The rotation axis of the first sensor is connected with the other end of the swing arm pin shaft.
2. seeder ditching depth dynamic measurement device according to claim 1, which is characterized in that the deep arm angle of the limit
Measuring mechanism further include: shaft coupling and connector；
The rotation axis of the first sensor, the shaft coupling and connector sequence are connected, and the connector is far from institute
The one end for stating shaft coupling is connected with the other end of the swing arm pin shaft.
3. seeder ditching depth dynamic measurement device according to claim 2, which is characterized in that the deep arm angle of the limit
Measuring mechanism further include: coupler sleeve；
The coupler sleeve is set in outside the shaft coupling, and one end of the coupler sleeve is connected with the deep arm of the limit, described
The other end of axis device set is connected with the first sensor.
4. seeder ditching depth dynamic measurement device according to claim 3, which is characterized in that the deep arm angle of the limit
Measuring mechanism further include: first sensor set；
The first sensor set is set in outside the first sensor；One end of the first sensor set and the shaft coupling
Set is connected.
5. seeder ditching depth dynamic measurement device according to claim 3, which is characterized in that the coupler sleeve
Multiple adjustment holes are offered on side wall, the adjustment hole is opposite with the shaft coupling.
6. seeder ditching depth dynamic measurement device according to claim 3, which is characterized in that the coupler sleeve leans on
The end of the nearly swing arm pin shaft offers circular hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920298151.8U CN209512817U (en) | 2019-03-08 | 2019-03-08 | Seeder ditching depth dynamic measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920298151.8U CN209512817U (en) | 2019-03-08 | 2019-03-08 | Seeder ditching depth dynamic measurement device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238432A (en) * | 2019-06-20 | 2020-06-05 | 石河子大学 | Intelligent ditching operation quality monitoring system |
| CN113519238A (en) * | 2021-07-12 | 2021-10-22 | 安徽建筑大学 | Sowing depth detection device and detection method |
-
2019
- 2019-03-08 CN CN201920298151.8U patent/CN209512817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238432A (en) * | 2019-06-20 | 2020-06-05 | 石河子大学 | Intelligent ditching operation quality monitoring system |
| CN113519238A (en) * | 2021-07-12 | 2021-10-22 | 安徽建筑大学 | Sowing depth detection device and detection method |
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