CN105043622B - A kind of subsoiling component resistance measurement computational methods and test device - Google Patents
A kind of subsoiling component resistance measurement computational methods and test device Download PDFInfo
- Publication number
- CN105043622B CN105043622B CN201510218167.XA CN201510218167A CN105043622B CN 105043622 B CN105043622 B CN 105043622B CN 201510218167 A CN201510218167 A CN 201510218167A CN 105043622 B CN105043622 B CN 105043622B
- Authority
- CN
- China
- Prior art keywords
- resistance
- subsoiling
- torsionspring
- subsoiling component
- test device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of subsoiling component resistance measurement computational methods and test device, the method of the present invention carries out resistance measurement and calculating using the method for resistance produced by ignoring loose topsoil, and the test device constituted using torsionspring and absolute angular displacement sensor is measured.The subsoiling component of test device is fixedly connected with main shaft, two torsionsprings are installed in left and right on main shaft, the angle of main axis during by measuring subsoiling component progress Subsoiler, through the relation between torsionspring torque and corner, drag overall size when conversing subsoiling component stabilization operation by mechanical analysis.The present invention to loose topsoil ignore the processing method of resistance, can preferably be fitted the distribution situation of resistance in arable layer.
Description
Technical field
The invention belongs to agricultural machinery technical field of measurement and test, more particularly to a kind of subsoiling component resistance measurement computational methods and survey
Trial assembly is put.
Background technology
Soil subsoiling is an important technology under conservation tillage pattern, and soil subsoiling can break plough sole, loose soil
Earth, optimizes soil constituent, improves soil permeability, and water drainage is retained and conserved soil moisture.Subsoiler high energy consumption, working resistance is big, subsoiling resistance
Power is to weigh the important parameter of soil subsoiling part transaction capabilities, in order to analyze the stress rule of subsoiling component, to subsoiling resistance
Measurement become in the urgent need to.
The method of measurement subsoiling resistance has research both at home and abroad, and each side achievement in research is as follows：
Engineering technology institute of Jilin Agriculture University Wang Jing is vertical etc., using octagonal ring sensor test principle, to arc subsoiling
Shovel suffered level, the resistance of vertical direction and moment of torsion in cultivating procedure carry out test analysis, and research arc-shaped sub-soiling shovel is not
Same tilling depth, the situation of change for ploughing suffered resistance under the conditions of speed.Result of the test shows:The depth that octagonal ring sensor testing system is measured
Loose resistance is consistent substantially with calculated value, and measurement error is smaller and in allowed band, tilling depth change for drag effects compared with
Greatly.The test method has preferable reliability and accuracy, and measured result sets for the further optimization of arc-shaped sub-soiling shovel
Meter provides data.
Agricultural machinery system of northwest agricultural college Shao Wei people etc., have developed the component test device of combined L-shaped four.The characteristics of device：
Simple in construction, reliable operation can not substantially change former installation site and coupling method that soil makees part；The precision of sensor
Height, it is non-linear to wait every error to be respectively less than 1%；The structure type of sensor preferably, can accurately be measured and acted on scoop
Four component, and can determine that size, direction and active position with joint efforts.
The content of the invention
It is an object of the invention to provide a kind of subsoiling component resistance measurement computational methods and test device, it is contemplated that adopting
Resistance measurement and calculating are carried out with the method for resistance produced by ignoring loose topsoil, is passed using torsionspring and absolute angular displacement
The test device that sensor is constituted is measured.
The loose topsoil of negligible resistance proposed by the present invention, in the loose topsoil depth, soil is to subsoiling component
Working resistance with respect to subsoiling component steady operation when suffered drag overall ignore.Its depth h1Meet following mathematical expression
Formula：
h1=k1×log2H, 1≤k1≤2
Wherein, as shown in figure 1, h1Not produce the loose topsoil vertical depth of resistance, h2To produce the arable layer of resistance
Depth, h is the tilling depth of equipment in the operating condition；k1It is relevant with component shape for subsoiling component form factor.L is in rotation
The heart is to the length of subsoiling component end, θ0To be subsoiling component and the angle in horizontal direction under original state, θ is by angle position
Displacement sensor measures the subsoiling component anglec of rotation.
The present invention proposes a kind of windup-degree institute by measuring torsionspring for current subsoiling Resistance test methods
Measure the computational methods of the total tillage resistance of subsoiling component.Power suffered by subsoiling component horizontal direction is functioned a little into rotation
The product of heart distance is equal to the torque suffered by torsionspring, is reduced to the drag overall F suffered by subsoiling component horizontal directionAlwaysWith it
Product of the nominal plane of constraint figure M centre of form to pivot distance.The calculating side of the measured total tillage resistance of subsoiling component
Method meets following mathematic(al) representation：
Wherein θ is the subsoiling component corner obtained by angular displacement sensor measurement, and N (θ) is carried by torsionspring
Moment of torsion, is the function on θ, xcFor the nominal stress action spot of drag overall.
This computational methods, tilling depth resistance meets following functional relation in arable layer：Y=k2(x-b)2；As shown in Fig. 2
X coordinate axle is vertical distance of the subsoiling component pivot to subsoiling component end, and y-coordinate axle is subsoiling component in correspondence tilling depth
Suffered resistance.X during original state0=Lsin θ0, x during working condition1=Lsin (θ0+θ).A is enclosed by function y with x coordinate axle
Planar graph M area,xcFor planar graph M centre of form x-axis coordinate；SyIt is planar graph M to the quiet of y-axis
Away from；Centre of form x-axis coordinate：B is h0With h1Summation, b=h0+k1×log2H, h0For ground to subsoiling portion
The vertical distance of part pivot.k2It is relevant with the soil texture for function coefficients.
Torsionspring belongs to helical spring, and end produces moment of torsion as main shaft rotates around spring center axis after fixing, turned round
The moment of torsion N for turning spring is the function on rotational angle theta, N=N (θ)；Angle measurement unit is mainly made up of angular displacement sensor,
The angle of main axis during output services.
Test device used in the method for the present invention is by subsoiling component, sheath, bolt pair I, bolt pair II, bolt pair
IIIth, square steel, main shaft, torsionspring I, torsionspring II, rolling bearing units I, rolling bearing units II, fixed mount and angular displacement sensor group
Into；Wherein subsoiling component is connected with sheath by bolt pair I, and sheath is welded and fixed with backplate, and backplate is with square steel through bolt pair II
Connection；Main shaft is affixed through bolt pair III through square steel, and main shaft two ends are connected with rolling bearing units I and rolling bearing units II respectively, reverses
Spring I is inner affixed with square steel side, and the outer end of torsionspring I is connected with fixed mount, the inner of torsionspring II and square steel opposite side
Affixed, the outer end of torsionspring II is connected with fixed mount, and main shaft one end is connected with angular displacement sensor.
Beneficial effects of the present invention
The present invention to loose topsoil ignore the processing method of resistance, can preferably be fitted point of resistance in arable layer
Cloth situation.The test device constituted by using torsionspring and absolute angular displacement sensor is measured, its test device
Field test is easy to implement, tests easy and effective.
Brief description of the drawings
Fig. 1 is the loose topsoil of negligible resistance and the schematic diagram for the arable layer for producing resistance
Fig. 2 is the subsoiling component schematic diagram that resistance is distributed in the arable layer for producing resistance.
Fig. 3 is test system force analysis schematic diagram.
Fig. 4 is the front view of test device.
Fig. 5 is the side view of test device.
In figure：1. subsoiling component；2. sheath；3. bolt pair I；4. bolt pair II；5. square steel；6. main shaft；7. bolt pair III；
8. backplate；9. rolling bearing units I；10. torsionspring I；11. torsionspring II；12. rolling bearing units II；13. angular displacement sensor；
14. fixed mount.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the loose topsoil of negligible resistance proposed by the present invention, in the loose topsoil
Depth, soil to the working resistance of subsoiling component with respect to subsoiling component steady operation when suffered drag overall ignore.Its depth
Spend h1Meet following mathematic(al) representation：
h1=k1×log2H, 1≤k1≤2
Wherein, as shown in figure 1, h1Not produce the loose topsoil vertical depth of resistance, h2To produce the arable layer of resistance
Depth, h is the tilling depth of equipment in the operating condition；k1It is relevant with component shape for subsoiling component form factor.L is in rotation
The heart is to the length of subsoiling component end, θ0To be subsoiling component and the angle in horizontal direction under original state, θ is by angle position
Displacement sensor measures the subsoiling component anglec of rotation.
The present invention proposes a kind of windup-degree institute by measuring torsionspring for current subsoiling Resistance test methods
Measure the computational methods of the total tillage resistance of subsoiling component.Power suffered by subsoiling component horizontal direction is functioned a little into rotation
The product of heart distance is equal to the torque suffered by torsionspring, is reduced to the drag overall F suffered by subsoiling component horizontal directionAlwaysWith it
Product of the nominal plane of constraint figure M centre of form to pivot distance.The calculating side of the measured total tillage resistance of subsoiling component
Method meets following mathematic(al) representation：
Wherein θ is the subsoiling component corner obtained by angular displacement sensor measurement, and N (θ) is carried by torsionspring
Moment of torsion, is the function on θ, xcFor the nominal stress action spot of drag overall.
This computational methods, tilling depth resistance meets following functional relation in arable layer：Y=k2(x-b)2；As shown in Fig. 2
X coordinate axle is vertical distance of the subsoiling component pivot to subsoiling component end, and y-coordinate axle is subsoiling component in correspondence tilling depth
Suffered resistance.X during original state0=Lsin θ0, x during working condition1=Lsin (θ0+θ).A is enclosed by function y with x coordinate axle
Planar graph M area,xcFor planar graph M centre of form x-axis coordinate；SyIt is planar graph M to the quiet of y-axis
Away from；Centre of form x-axis coordinate：B is h0With h1Summation, b=h0+k1×log2H, h0For ground to subsoiling portion
The vertical distance of part pivot.k2It is relevant with the soil texture for function coefficients.
Torsionspring belongs to helical spring, and end produces moment of torsion as main shaft rotates around spring center axis after fixing, turned round
The moment of torsion N for turning spring is the function on rotational angle theta, N=N (θ)；Angle measurement unit is mainly made up of angular displacement sensor,
The angle of main axis during output services.
Show through experimental study, the relation between tilth and resistance is as shown in Fig. 2 the name of subsoiling component can be calculated
Adopted forced position, sets up stress balance power system as shown in figure 3, therefore, by measuring the torsionspring being connected with subsoiling component
The resistance of the measurable subsoiling component of corner, its resistance meets following mathematic(al) representation：FAlways×xc=2N (θ).
The present invention devises corresponding test device to realize above-mentioned survey calculation method；Its structure such as Fig. 4 and Fig. 5 institutes
Show, test device is by subsoiling component 1, sheath 2, bolt pair I 3, bolt pair II 4, bolt pair III 7, square steel 5, main shaft 6, torsion
Spring I 10, torsionspring II 12, rolling bearing units I 9, rolling bearing units II 12, fixed mount 14 and angular displacement sensor 13 are constituted；Its
Middle subsoiling component 1 is connected with sheath 2 by bolt pair I 3, sheath 2 and the welded fixation of backplate 8, and backplate 8 is with square steel 5 through bolt
Pair II 4 is connected；Main shaft 6 through square steel 5 it is affixed through bolt pair III 7, the two ends of main shaft 6 respectively with rolling bearing units I 9 and rolling bearing units II
12 connections, torsionspring I 10 is inner affixed with the side of square steel 5, and the outer end of torsionspring I 10 is connected with fixed mount 14, torsionspring
II 12 is inner affixed with the opposite side of square steel 5, and the outer end of torsionspring II 12 is connected with fixed mount 14, and the one end of main shaft 6 is passed with angular displacement
Sensor 13 is connected.
Claims (1)
1. a kind of subsoiling component resistance measurement device, it is characterised in that：Be by subsoiling component (1), sheath (2), bolt pair I (3),
Bolt pair II (4), bolt pair III (7), square steel (5), main shaft (6), torsionspring I (10), torsionspring II (11), rolling bearing units
I (9), rolling bearing units II (12), fixed mount (14) and angular displacement sensor (13) composition；Wherein subsoiling component (1) and sheath (2)
Connected by bolt pair I (3), sheath (2) and backplate (8) welded fixation, backplate (8) connect with square steel (5) through bolt pair II (4)
Connect；Main shaft (6) through square steel (5) it is affixed through bolt pair III (7), main shaft (6) two ends respectively with rolling bearing units I (9) and axle of usheing to seat
II (12) connection is held, torsionspring I (10) is inner affixed with square steel (5) side, torsionspring I (10) outer end and fixed mount (14)
Connection, torsionspring II (11) is inner affixed with square steel (5) opposite side, and torsionspring II (11) outer end connects with fixed mount (14)
Connect, main shaft (6) one end is connected with angular displacement sensor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510218167.XA CN105043622B (en) | 2015-05-01 | 2015-05-01 | A kind of subsoiling component resistance measurement computational methods and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510218167.XA CN105043622B (en) | 2015-05-01 | 2015-05-01 | A kind of subsoiling component resistance measurement computational methods and test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105043622A CN105043622A (en) | 2015-11-11 |
| CN105043622B true CN105043622B (en) | 2017-10-24 |
Family
ID=54450342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510218167.XA Expired - Fee Related CN105043622B (en) | 2015-05-01 | 2015-05-01 | A kind of subsoiling component resistance measurement computational methods and test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105043622B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7028554B2 (en) * | 2003-07-11 | 2006-04-18 | Deere & Company | Instrumented deep tillage implement |
| CN201007686Y (en) * | 2007-02-13 | 2008-01-16 | 中国农业大学 | Farm implement operation drag measuring device |
| EP1967055A1 (en) * | 2007-03-06 | 2008-09-10 | Redexim Handel-en Exploitatie Maatschappij B.V. | Soil cultivation device |
| CN103616096B (en) * | 2013-11-29 | 2015-06-24 | 东北农业大学 | Subsoiler stress testing device |
-
2015
- 2015-05-01 CN CN201510218167.XA patent/CN105043622B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105043622A (en) | 2015-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Godwin et al. | A force prediction model for mouldboard ploughs incorporating the effects of soil characteristic properties, plough geometric factors and ploughing speed | |
| CN104713503B (en) | A kind of trailing implement tilling depth online test method and device | |
| Roul et al. | Predicting the draught requirement of tillage implements in sandy clay loam soil using an artificial neural network | |
| Fountas et al. | A five-point penetrometer with GPS for measuring soil compaction variability | |
| Shinde et al. | Design analysis of rotary tillage tool components by CAD-tool: rotavator | |
| Ahmadi | Development and assessment of a draft force calculator for disk plow using the laws of classical mechanics | |
| CN105043622B (en) | A kind of subsoiling component resistance measurement computational methods and test device | |
| Chunlin et al. | Optimization of working parameters for puddling and flatting machine in paddy field | |
| Han et al. | Fatigue integrity assessment for tractor-mounted garlic-onion harvester | |
| Xuanbin et al. | DESIGN AND PERFORMANCE TEST OF PLOWING AND ROTARY TILLAGE COMBINED MACHINE. | |
| Yin et al. | Method and system of plowing depth online sensing for reversible plough | |
| Galambošová et al. | Determining trafficked areas using soil electrical conductivity–a pilot study | |
| CN105027706B (en) | A kind of deep soil loosing shovel angle of penetration adjustable subsoiler | |
| Ma et al. | Design and study on vibration characteristics of self-excited vibration layered subsoiler for coastal soil | |
| Kim et al. | Consumed-power and load characteristics of a tillage operation in an upland field in Republic of Korea | |
| He et al. | Effects of different geometrical structures on the soil disturbances and working resistances of very narrow tines applied on natural grassland. | |
| Yu et al. | Optimization and experiment of counter-rotating straw returning cultivator based on discrete element method | |
| He et al. | Optimal design of the surface of the high-speed reversible plow. | |
| Liang et al. | Research on the vibration of mini tiller. | |
| Gnusov et al. | Volumetric dynamometer units for laboratory and field testing of tillage equipment | |
| Saunders et al. | Prediction of soil forces acting on mouldboard ploughs | |
| Andrade et al. | Field evaluation of the improved version of the UCDavis compaction profile sensor (UCD-CPS) | |
| Liu et al. | Investigation of Operating Performance of Single-Side Paddy Field Ridger Based on Discrete Element Method and Test Verification | |
| Xu ChunLin et al. | Optimization of working parameters for puddling and flatting machine in paddy field. | |
| Kuvaev et al. | Substantiation of the working width of the tillage implement. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20180501 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |