CN105865396A - Tilling depth detection device on rotary tiller - Google Patents
Tilling depth detection device on rotary tiller Download PDFInfo
- Publication number
- CN105865396A CN105865396A CN201610252866.0A CN201610252866A CN105865396A CN 105865396 A CN105865396 A CN 105865396A CN 201610252866 A CN201610252866 A CN 201610252866A CN 105865396 A CN105865396 A CN 105865396A
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- China
- Prior art keywords
- tilling depth
- detection device
- angular displacement
- displacement sensor
- rotary cultivator
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 238000009313 farming Methods 0.000 claims description 14
- 239000002689 soil Substances 0.000 description 9
- 238000003971 tillage Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Soil Working Implements (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The invention provides a tilling depth detection device on a rotary tiller in the field of agricultural machines. The tilling depth detection device comprises an angular displacement sensor, a fixed plate and a moving plate. The fixed plate is fixed to a rack of the rotary tiller, a shell of the angular displacement sensor is fixed to the fixed plate, the moving plate is connected with a signal input shaft of the angular displacement sensor, connecting rods are fixedly connected to the moving plate, the moving plate is connected with the connecting rods through elastic elements, the elastic elements and the connecting rods are arranged on the same side relative to the angular displacement sensor, and an arc carriage plate is hinged to the bottom ends of the connecting rods. The tilling depth detection device is high in tilling depth detection precision, simple in structure, convenient to install, low in cost and capable of being applied to tilling depth detection work of agricultural machines.
Description
Technical field
The present invention relates to a kind of tilling depth detection device, detect device particularly to the tilling depth on a kind of rotary cultivator.
Background technology
The rotary tillage of soil is the important step of conservation tillage, and agricultural machinery is when farming, and tilling depth is to judge cultivating quality
Key, in prior art, the detection mode of tilling depth has two kinds, one be use manpower field is carried out sample detecting, another
Planting is to use tilling depth detection device to detect tilling depth, after former needs rotary tillage to terminate, examines tilling depth by manpower
Surveying, labour intensity is big, and detection error is big；Latter tilling depth detection device is the automatic detection device of tilling depth, tilling depth detection device
Including two hinged connecting rods, the end of a connecting rod is provided with supporting plate, and another connecting rod passes through rotating shaft and is arranged on tiller
Frame on potentiometer be connected, use the situation of change being experienced concavo-convex ground by planker, bar linkage structure drives rotating shaft to make
For potentiometer, cause the change of the internal resistance of potentiometer, thus tilling depth detected, it is achieved the real-time detection function of tilling depth, this
List connecting rod is connected by device with planker, and this structure is unreliable, and planker cannot fit in ground, outside the detection of potentiometer is easily subject to
The impact of boundary's environment, planker experiences concavo-convex ground and carrys out the swing of drivening rod, and the variable angle between connecting rod cannot calculate, it is impossible to
Obtain accurate tilling depth accuracy of detection, and the field of the tiller left and right sides exists rugged possibility, the inspection of this device
Survey precision is low.
Summary of the invention
For defect of the prior art, it is an object of the invention to overcome above-mentioned weak point of the prior art, carry
For the tilling depth detection device on a kind of rotary cultivator, this device accuracy of detection is high, easy for installation and low cost.
The object of the present invention is achieved like this: tilling depth on a kind of rotary cultivator detection device, including angular displacement sensor,
Fixed plate and maneuvering board, described fixed plate is fixed in the frame of rotary cultivator, and the housing of described angular displacement sensor is fixed on solid
Determining on plate, described maneuvering board is connected with the signal power shaft of angular displacement sensor, and described maneuvering board is fixedly connected with connecting rod,
Described maneuvering board is connected with connecting rod through flexible member, and described flexible member and connecting rod relative angular displacement sensor homonymy set
Putting, described connecting rod bottom is hinged with arc planker.
When the present invention works, before farming, being installed in frame by detection device, field is real soil, and arc planker is fitted
In field upper surface, during farming, the field on rear side of rotary ploughing cutter shaft is become loosening the soil by rotary tillage, real soil originally, and arc planker declines
To farming bottom, the rotational band of arc planker is dynamically connected the rotation of bar, connecting rod rotate the rotation driving fixed plate, fixed plate
Rotate the rotation of power shaft driving angular displacement sensor, angular displacement sensor calculates farming according to rotation displacement variable quantity
The degree of depth, the computing formula of tilth of the present invention is clear and definite, and accuracy of detection is high, easy installation and reliable, and simple in construction solves ability
In territory, people want the technical barrier solved always, can be applicable in the tilling depth detection work of rotary cultivator.
In order to improve the reliability of present invention work further, described connecting rod is provided with two, is separately positioned on angular displacement
The same equidistant in both sides of the power shaft of sensor, described connecting rod is parallel to each other and length is equal.
In order to improve the accuracy of detection of the present invention further, this detection device is arranged on the rotary cultivator machine at rotary ploughing cutter shaft rear
On frame, this detection device is provided with the Central Symmetry setting of two and relative rotary ploughing cutter shaft.
As a further improvement on the present invention, the tilth scope of rotary cultivator is 17-23cm, and this tilth scope is
The tilth scope of conventional rotary cultivator.
In order to improve the feasibility of the present invention further, the tilth expression formula of tilling depth detection device is as follows:
When；
When；
Wherein, θ is the anglec of rotation of angular displacement sensor, and Δ H is the tilth of tilling depth detection device detection, and R1 is in circular arc
The length of the line of the power shaft central point of point and angular displacement sensor, R is arc radius, and α is arcuate midway point and angular displacement biography
The angle between vertical line at the line of the power shaft central point of sensor and center of arc.
In order to improve the feasibility of the present invention further, the bottom surface of described arc planker is circular arc, tilling depth detection device
Tilth meet relationship below: 0≤Δ H ＜ 25.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation that the present invention is arranged on rotary cultivator.
Fig. 3 be after the present invention rotates center of arc not less than field upper surface with rotate before structure comparison schematic diagram.
Fig. 4 be after the present invention rotates center of arc not less than field upper surface with rotate before structure comparison schematic diagram.
Wherein, 1 arc planker, 2 connecting rods, 3 fixed plates, 4 maneuvering boards, the power shaft of 5 angular displacement sensors, 6 elastic units
Part, 7 frames, 8 rotary ploughing cutter shafts, 9 field upper surfaces, 10 farming bottom upper surfaces.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
Tilling depth detection device on rotary cultivator as shown in figures 1-4, including fixed plate 3 and angular displacement sensor, frame 7 connects
Being connected to fixed plate 3, in the longitudinal direction, fixed plate 3 is arranged on the rear of the rotary ploughing cutter shaft 8 of rotary cultivator, and angular displacement sensor is worn
Crossing fixed plate 3 connection and have maneuvering board 4, maneuvering board 4 is fixedly connected with two connecting rods 2, connecting rod 2 is arranged on angle displacement transducer
The same equidistant in both sides of the power shaft 5 of device, connecting rod 2 is parallel to each other and length is equal, and maneuvering board 4 is also through flexible member 6
Being connected with connecting rod 2, flexible member 6 and connecting rod 2 relative angular displacement sensor homonymy are arranged, and connecting rod 2 bottom is hinged with arc
Shape planker 1, the bottom surface of arc planker 1 is circular arc, and this detection device is arranged in the frame 7 at rotary ploughing cutter shaft 8 rear, this detection
Device is provided with the Central Symmetry setting of two and relative rotary ploughing cutter shaft 8, the following institute of tilth expression formula of tilling depth detection device
Show:
When；
When；
Wherein, θ is the anglec of rotation of angular displacement sensor, and Δ H is the tilth of tilling depth detection device detection, and R1 is in circular arc
The length of the line of the power shaft central point of point and angular displacement sensor, R is arc radius, and α is arcuate midway point and angular displacement biography
The angle between vertical line at the line of the power shaft central point of sensor and center of arc；The tilth of tilling depth detection device is full
Foot relationship below: 0≤Δ H ＜ 25.
When the present invention works, before farming, being installed in frame 7 by this device, field is real soil, and arc planker 1 is fitted
In field upper surface 9, during farming, the field on rear side of rotary ploughing cutter shaft 8 is become loosening the soil by rotary tillage, real soil originally, arc planker 1 turn
Moving and drop to farming bottom upper surface 10, the rotational band of arc planker 1 is dynamically connected the rotation of bar 2, and the rotation of connecting rod 2 drives
The rotation of fixed plate 3, the rotation rotating the power shaft 5 driving angular displacement sensor of fixed plate 3, angular displacement sensor is according to turning
Dynamic goniometer calculates tilth；The present invention after utilizing rotary cultivator that field is carried out rotary tillage real soil become the character loosened the soil, arc
Planker 1 is fitted with farming bottom upper surface 10, and along with the change of tilth, farming bottom upper surface 10 makes corresponding change
Changing, arc planker 1 swings along with the change of farming bottom upper surface 10, utilizes flexible member 6 farming relative to arc planker 1
Bottom upper surface 10 applies downward active force, it is to avoid arc planker 1 in motion process owing to effect of inertia and field are to arc
Shape planker 1 support force upwards and action, improve accuracy of detection；The goniometer that the present invention rotates according to angular displacement sensor calculates
The tilth of rotary cultivator, computing formula is clear and definite, the convenient tilth that calculates, and tilling depth detection device is symmetricly set on rotary cultivator
Frame 7 both sides, do the tilling depth value detected weighted average and process, the inspection that the irregularities in field of going together after reducing rotary tillage is brought
Surveying error, tilling depth accuracy of detection of the present invention is high, easy installation and reliable, simple in construction, and in solving this area, people want to solve always
Technical barrier certainly, can be applicable in the tilling depth detection work of rotary cultivator.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to some of which technical characteristic just can be made one by performing creative labour
A little replacements and deformation, these are replaced and deformation is all in scope.
Claims (6)
1. the detection of the tilling depth on rotary cultivator device, it is characterised in that: include angular displacement sensor, fixed plate and maneuvering board,
Described fixed plate is fixed in the frame of rotary cultivator, and the housing of described angular displacement sensor is fixed in fixed plate, described motion
Plate is connected with the signal power shaft of angular displacement sensor, and described maneuvering board is fixedly connected with connecting rod, and described maneuvering board passes through
Flexible member is connected with connecting rod, and described flexible member and connecting rod relative angular displacement sensor homonymy are arranged, described connecting rod
Bottom is hinged with circular arc planker.
Tilling depth detection device on rotary cultivator the most according to claim 1, it is characterised in that: described connecting rod is provided with two
And the same equidistant in both sides being separately positioned on the power shaft of angular displacement sensor, described connecting rod is parallel to each other and length phase
Deng.
Tilling depth detection device on rotary cultivator the most according to claim 2, it is characterised in that: this detection device is arranged on rotation
Ploughing in the rotary cultivator frame at cutter shaft rear, this detection device is provided with the Central Symmetry setting of two and relative rotary ploughing cutter shaft.
Tilling depth detection device on rotary cultivator the most according to claim 3, it is characterised in that: the tilth model of rotary cultivator
Enclose for 17-23cm.
Tilling depth detection device on rotary cultivator the most according to claim 4, it is characterised in that: the farming of tilling depth detection device
Degree of depth expression formula is as follows:
When；
When；
Wherein, θ is the anglec of rotation of angular displacement sensor, and Δ H is the tilth of tilling depth detection device detection, and R1 is in circular arc
The length of the line of the power shaft central point of point and angular displacement sensor, R is arc radius, and α is arcuate midway point and angular displacement biography
The angle between vertical line at the line of the power shaft central point of sensor and center of arc.
6. detect device according to the tilling depth on the rotary cultivator described in any one of Claims 1 to 5, it is characterised in that: described tilling depth
The tilth of detection device meets relationship below: 0≤Δ H ＜ 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252866.0A CN105865396B (en) | 2016-04-22 | 2016-04-22 | Tilling depth detection means on rotary cultivator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252866.0A CN105865396B (en) | 2016-04-22 | 2016-04-22 | Tilling depth detection means on rotary cultivator |
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| Publication Number | Publication Date |
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| CN105865396A true CN105865396A (en) | 2016-08-17 |
| CN105865396B CN105865396B (en) | 2018-01-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539971A (en) * | 2018-11-21 | 2019-03-29 | 北京农业智能装备技术研究中心 | A kind of crop field intertillage depth measurement device and its measurement method |
| CN110463390A (en) * | 2019-09-18 | 2019-11-19 | 东北农业大学 | Rotary tillage ridge making component automatic adjusting mechanism |
| CN111121684A (en) * | 2019-12-23 | 2020-05-08 | 南京安透可智能系统有限公司 | Measuring structure and calculating method for pipeline siltation |
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| EP0606834B1 (en) * | 1993-01-13 | 1997-03-26 | Kverneland Klepp As | Device relating to a towable tractor tool |
| CN101271013A (en) * | 2007-03-20 | 2008-09-24 | 株式会社电装 | Liquid level detecting device |
| CN202587799U (en) * | 2012-05-08 | 2012-12-12 | 西南大学 | Tillage depth detection device of micro-tillage machine |
| CN203788654U (en) * | 2014-04-25 | 2014-08-27 | 新疆农业大学 | Subsoiler capable of continuously measuring soil mechanical resistance |
| CN204555946U (en) * | 2015-04-16 | 2015-08-12 | 北京市农业机械试验鉴定推广站 | Rotary tillage depth monitor |
| CN205718928U (en) * | 2016-04-22 | 2016-11-23 | 扬州大学 | Tilling depth detection device on rotary cultivator |
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2016
- 2016-04-22 CN CN201610252866.0A patent/CN105865396B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0606834B1 (en) * | 1993-01-13 | 1997-03-26 | Kverneland Klepp As | Device relating to a towable tractor tool |
| CN101271013A (en) * | 2007-03-20 | 2008-09-24 | 株式会社电装 | Liquid level detecting device |
| CN202587799U (en) * | 2012-05-08 | 2012-12-12 | 西南大学 | Tillage depth detection device of micro-tillage machine |
| CN203788654U (en) * | 2014-04-25 | 2014-08-27 | 新疆农业大学 | Subsoiler capable of continuously measuring soil mechanical resistance |
| CN204555946U (en) * | 2015-04-16 | 2015-08-12 | 北京市农业机械试验鉴定推广站 | Rotary tillage depth monitor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539971A (en) * | 2018-11-21 | 2019-03-29 | 北京农业智能装备技术研究中心 | A kind of crop field intertillage depth measurement device and its measurement method |
| CN109539971B (en) * | 2018-11-21 | 2020-09-08 | 北京农业智能装备技术研究中心 | Device and method for measuring intertillage depth in field |
| CN110463390A (en) * | 2019-09-18 | 2019-11-19 | 东北农业大学 | Rotary tillage ridge making component automatic adjusting mechanism |
| CN111121684A (en) * | 2019-12-23 | 2020-05-08 | 南京安透可智能系统有限公司 | Measuring structure and calculating method for pipeline siltation |
| CN111121684B (en) * | 2019-12-23 | 2021-09-14 | 南京安透可智能系统有限公司 | Measuring structure and calculating method for pipeline siltation |
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| CN105865396B (en) | 2018-01-30 |
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Application publication date: 20160817 Assignee: Suzhou Xinnuo Intelligent Equipment Co.,Ltd. Assignor: YANGZHOU University Contract record no.: X2024980002536 Denomination of invention: Depth detection device on rotary tiller Granted publication date: 20180130 License type: Common License Record date: 20240306 |
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