CN106525403A - Field test device for rotary working part of small agricultural machine - Google Patents
Field test device for rotary working part of small agricultural machine Download PDFInfo
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- CN106525403A CN106525403A CN201611067805.3A CN201611067805A CN106525403A CN 106525403 A CN106525403 A CN 106525403A CN 201611067805 A CN201611067805 A CN 201611067805A CN 106525403 A CN106525403 A CN 106525403A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a field test device for a rotary working part of a small agricultural machine. The field test device comprises a frame, a traveling device is arranged at the bottom of the frame, a power source and a second coupling are arranged on the frame, the power source is connected with a first coupling via a speed reducer, and the first coupling is connected with the second coupling via a rotational speed and torque sensor. The field test device can test main performance parameters of the key working part in the complex and variable field and display change curves of time corresponding to the rotational speed, torque and power in real time, thereby effectively improving the accuracy of test data and providing a basic platform for optimized design of the key working part of the small agricultural machine.
Description
Technical field
The present invention relates to a kind of miniature farm machinery rotation working part field testing device.
Background technology
The small-scale agricultural machinery of suitable Hills has been obtained for extensive promotion and application, in recent years, goes out on market
The different various small-scale agricultural machineries of various in style, specification are showed.How to select to match the serial model No. of electromotor, how to evaluate
The service behaviour of small-scale agricultural machinery, ensure operation quality and work efficiency, the performance parameter of workpiece is all extremely important
Index parameter.
At present, China's Some Universities and scientific research institutions have developed indoor soil tank laboratory, for agricultural machinery key job
Part has carried out the basic test research of correlation, but, as the manipulating object species of agricultural machinery is various, working environment compares
Complexity, indoor soil tank cannot truly simulate field working condition complicated and changeable, so that the data that test is obtained are inaccurate.
Therefore those skilled in the art are devoted to a kind of miniature farm machinery that can effectively improve test data accuracy of exploitation
Rotation working part field testing device.
The content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide one kind and effectively can carry
The miniature farm machinery rotation working part field testing device of high test data accuracy.
For achieving the above object, the invention provides a kind of miniature farm machinery rotation working part field testing device, including
Frame, the bottom of frame are provided with running gear, and power source and second shaft coupling, power source connection first are provided with frame
Axle device, first shaft coupling are connected by torque and speed sensorses with second shaft coupling；
Second shaft coupling is connected with second driving shaft by the 3rd driving section, and the two ends of second driving shaft are by frame
Bearing is supported, and second driving shaft is connected with the first power transmission shaft by the 4th driving section, between the first power transmission shaft and second driving shaft
Two chain-guards are provided with, the two ends of each chain-guard are connected with second driving shaft and the first transmission shaft bearing respectively；
The company being parallel to each other with second driving shaft and the first power transmission shaft is provided between second driving shaft and the first power transmission shaft
Extension bar, the two ends of connecting rod are connected with each chain-guard respectively, are provided with for adjusting the regulation of connecting rod in the middle part of connecting rod
Device.
In order to the tilth easily facilitated to workpiece is adjusted, regulation screw mandrel fixed mount in frame, is provided with；
Adjusting means includes adjusting disk, threaded adjusting bar, swings slide block and slide block backplate, to swing and be provided with spiral shell on slide block
Pit, the screwed hole swung on slide block are coordinated with threaded adjusting bar screw thread, are swung slide block and are connected with slide block backplate bearing, slide block shield
Plate is fixed with connecting rod；Threaded adjusting bar is connected by positioning bearing with screw mandrel fixed mount is adjusted；It is arranged with threaded adjusting bar
Disk is adjusted, disk is adjusted and is located at the top for adjusting screw mandrel fixed mount.
For the more accurately change of Specifeca tion speeification (rotating speed, torque and power) the correspondence time of test job part
Change curve.Torque and speed sensorses are connected with electric supply installation and computer.
In order in test, it is ensured that the accuracy of test data, frame include rectangular side arm and rectangular after-frame,
The rear end of side arm is connected by L-shaped connector with the front end of after-frame, and side arm is less than after-frame；
Adjusting screw mandrel fixed mount includes first support bar, second support bar and the 3rd support bar, first support bar and second
The bottom of support bar is fixed with side arm, and the two ends of the 3rd support bar are connected with the top of first support bar and second support bar respectively
Connect, adjust the positioning bearing on screw mandrel fixed mount and arrange on the 3rd support bar, the 3rd support bar is located at the surface of connecting rod.
For more preferable controlled output rotating speed, power source is connected with decelerator by the first driving section；Decelerator is by the
Two driving sections are connected with first shaft coupling.
Preferably, running gear includes front wheels and rear wheels, front-wheel is connected with front axle；Trailing wheel is connected with hind axle；
Decelerator is connected with hind axle by the 5th driving section.
More accurate as test is made, the 4th driving section includes the first Chain conveyer and the second Chain conveyer；Two chain-guards
Between the first Chain conveyer and the second Chain conveyer.In order to more accurately adjust embedded depth, two chain-guard centrage institutes
It is more than or equal to 20 ° with the angle of vertical in face, less than or equal to 90 °；Chain-guard centre-to-centre spacing is, more than or equal to 200mm, to be less than
Equal to 600mm；Test block is installed on the first power transmission shaft, the blade lengths of test block are more than or equal to 100mm, are less than or equal to
300mm；The vertical dimension of axle Z2 and Z3 centrage is more than or equal to 0mm, less than or equal to 100mm；In running gear, radius of wheel is big
In equal to 100mm, less than or equal to 350mm.
Preferably, the first driving section adopts pulley drive, the second driving section and the 3rd driving section to adopt chain gear transmission.
A kind of miniature farm machinery rotation working part field test method, comprises the following steps：
1) test block of rotary work is installed in frame；
2) adjust test block embedded depth H=L1cosα+L2-L23-R；
In formula：H is embedded depth, and unit is mm；
α is the angle in two chain-guard centrage place faces and vertical, 20 °≤α≤90 °；
L1For chain-guard centre-to-centre spacing, unit is mm；
L2For test block top cutter effective length, unit is mm；
L23For the vertical dimension of axle Z2 and Z3 centrage, unit is mm；
R is radius of wheel in running gear, and unit is mm；
3) start electromotor, put into forward gear, test block is in rotary work state while confirming that whole machine is walked forward；
4) torque and speed sensorses send the data message for measuring to computer, and dynamic is surveyed software and shows test block in real time
Rotating speed, the change curve of torque time corresponding with power.
Step 1) in test block be arranged on the first power transmission shaft, first power transmission shaft passes through Chain conveyer and second driving shaft
Connection, the two ends of second driving shaft are connected with rack bearing；
Two chain-guards, the two ends difference of two chain-guards are provided between first power transmission shaft and second driving shaft
It is connected with the first power transmission shaft and second driving shaft bearing, two chain-guards are connected by connecting rod, the connecting rod is filled with adjusting
Put connection；In step 2) in, the angle in two center of protecting panel's line place faces and vertical is adjusted by adjusting means, is realized to test
The regulation of part embedded depth.
The invention has the beneficial effects as follows：The present invention can complete key working part main performance in field complicated and changeable
The test of parameter, and the change curve of rotating speed, torque time corresponding with power is shown in real time, it is effectively improved test data
Accuracy, the optimization design for miniature farm machinery key working part provide basic platform.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is close-up schematic view at A in Fig. 1.
Fig. 3 is the overlooking the structure diagram of Fig. 1.
Fig. 4 is the B of Fig. 3 to structural representation.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As Figure 1-Figure 4, a kind of miniature farm machinery rotation working part field testing device, including frame 100, frame
100 include rectangular side arm 101 and rectangular after-frame 102, and the rear end of side arm 101 is with the front end of after-frame 102 by L-shaped
Connector 103 connect, side arm 101 be less than after-frame 102.The bottom of frame 100 is provided with running gear, arranges in frame 100
Dynamic source 4 and second shaft coupling 23, the connection first shaft coupling 22 of 4 Jing decelerators of power source 5, first shaft coupling 22 and second
Axle device 23 is connected by torque and speed sensorses 3.(electric supply installation employing ± 12V's is straight with electric supply installation for torque and speed sensorses 3
Stream power supply) and computer connection.Power source 4 in the present embodiment is electromotor.
Second shaft coupling 23 is connected with second driving shaft Z2 by the 3rd driving section 24, and the two ends of second driving shaft Z2 pass through
Bearing supporting in frame 100, second driving shaft Z2 are connected with the first power transmission shaft Z1, the present embodiment by the 4th driving section 25
In, the 4th driving section 25 includes the first Chain conveyer 51 and the second Chain conveyer 52；Two chain-guards 8 are located at 51 He of the first Chain conveyer
Between second Chain conveyer 52.Two chain-guards 8, each chain-guard are provided between first power transmission shaft Z1 and second driving shaft Z2
8 two ends are connected with second driving shaft Z2 and the first power transmission shaft Z1 bearings respectively.
It is provided between second driving shaft Z2 and the first power transmission shaft Z1 mutual with second driving shaft Z2 and the first power transmission shaft Z1
Parallel connecting rod 50, the two ends of connecting rod 50 are connected with each chain-guard 8 respectively, and the middle part of connecting rod 50 is provided with for adjusting
The adjusting means 2 of section connecting rod 50.
In the present embodiment, the front end of frame 100 is provided with regulation screw mandrel fixed mount 105；Adjusting screw mandrel fixed mount 105 includes
The bottom of first support bar, second support bar and the 3rd support bar, first support bar and second support bar is fixed with side arm 101,
The two ends of the 3rd support bar are connected with the top of first support bar and second support bar respectively, are adjusted on screw mandrel fixed mount 105
Positioning bearing 2a is arranged on the 3rd support bar, and the 3rd support bar is located at the surface of connecting rod 50.
Adjusting means 2 includes adjusting disk 2b, threaded adjusting bar 2c, swings slide block 2d and slide block backplate 2e, swings slide block
Screwed hole is provided with 2d, the screwed hole swung on slide block 2d is coordinated with threaded adjusting bar 2c screw threads, swings slide block 2d and slide block
Backplate 2e bearings connect, and slide block backplate 2e is fixed with connecting rod 50；Threaded adjusting bar 2c passes through fixed with screw mandrel fixed mount 105 is adjusted
Position bearing 2a connections；Regulation disk 2b is arranged with threaded adjusting bar 2c, disk 2b is adjusted and is located at regulation screw mandrel fixed mount 105
Top.
In the present embodiment, power source 4 is connected with decelerator 5 by the first driving section 20, in the present embodiment, on decelerator 5
It is provided with fast shelves, three gears of slow shelves and reverse gear.Decelerator 5 is connected with first shaft coupling 22 by the second driving section 21.Walking
Device includes front-wheel 60 and trailing wheel 61, and front-wheel 60 is connected with front axle Z3；Trailing wheel 61 is connected with hind axle Z4, and decelerator 5 passes through
5th driving section 53 is connected with hind axle Z4.
The angle of two chain-guards, 8 centrage place face and vertical is α, 20 °≤α≤90 °；8 centre-to-centre spacing of chain-guard
For L1, 200mm≤L1≤600mm；Test block 1 is installed on first power transmission shaft Z1, the blade effective length of test block 1 is L2,
100mm≤L2≤300mm；The vertical dimension of axle Z2 and Z3 centrage is L23, 0mm≤L23≤100mm；Wheel half in running gear
Footpath is R, 100mm≤R≤350mm.In the present embodiment, the first driving section 20 adopts pulley drive, the second driving section 21 and
Three driving sections 24 adopt chain gear transmission.
A kind of miniature farm machinery rotation working part field test method, comprises the following steps：
1) test block of rotary work is installed in frame；
2) adjust test block embedded depth H=L1cosα+L2-L23-R；
In formula：H is embedded depth, and unit is mm；
α is the angle in two chain-guard centrage place faces and vertical, 20 °≤α≤90 °；
L1For chain-guard centre-to-centre spacing, unit is mm；
L2For test block top cutter effective length, unit is mm；
L23For the vertical dimension of axle Z2 and Z3 centrage, unit is mm；
R is radius of wheel in running gear, and unit is mm；
3) start electromotor, put into forward gear, test block is in rotary work state while confirming that whole machine is walked forward；
4) torque and speed sensorses send the data message for measuring to computer, and dynamic is surveyed software and shows test block in real time
Rotating speed, the change curve of torque time corresponding with power.
On the first power transmission shaft Z1, first power transmission shaft Z1 passes through Chain conveyer and second and passes test block in step 1
Moving axis Z2 connects, and the two ends of second driving shaft Z2 are connected with rack bearing；Set between first power transmission shaft Z1 and second driving shaft Z2
Two chain-guards 8 are equipped with, the two ends of two chain-guards 8 are connected with the first power transmission shaft Z1 and second driving shaft Z2 bearings respectively
Connect, two chain-guards 8 are connected by connecting rod 50, and the connecting rod 50 is connected with adjusting means 2；In step 2, by adjusting
Device 2 adjusts the angle in two chain-guards, 8 centrage place face and vertical, realizes the regulation to test block embedded depth.
Start power source 4, power source 4 drives decelerator 5 by the first driving section 20, the decelerator 5 drives the 5th simultaneously
Driving section 53 and the second driving section 21, the 5th driving section 53 drive trailing wheel 61 rotate, accelerator 5 by the second driving section 21 according to
Secondary drive first shaft coupling 22, torque and speed sensorses 3 and second shaft coupling 23, the second shaft coupling 23 pass through the 3rd driving section
24 drive second driving shaft Z2 to rotate, and second driving shaft Z2 passes through the first Chain conveyer 51 and the second Chain conveyer 52 drives first to be driven
Axle Z1 is rotated, so that the test block 1 on the first power transmission shaft Z1 is rotated.The rotational speed and torque sensing when test block 1 rotates
Device 3 is sent the moving situation of test block 1 to computer in the form of data signal and (for the ease of laying, is adopted in the present embodiment
With microcomputer), and show that by dynamic test software the change of the Specifeca tion speeification correspondence time of test block 1 is bent in real time
Line.Dynamic test software in the present embodiment be standard frequency torque, tach signal are transferred to torque bus mode it is miniature
Computer, shows the change curve of rotating speed, torque time corresponding with power in real time, it is possible to Word document and Excel forms
Form is stored to curve chart and test data.
When needing in testing to be adjusted tilth, directly rotate and adjust disk 2b, by adjusting disk 2b
Rotation controlling the height of two chain-guards 8, so as to change the folder in two chain-guards, 8 centrage place face and vertical
Angle, and then change the embedded depth of test block 1.
Adjust 1 embedded depth H=L of test block1cosα+L2-L23-R；
Such as H=350cos α -60；
In formula：H is embedded depth, and unit is mm；
α is the angle in two chain-guard centrage place faces and vertical, 20 °≤α≤90 °；
L1For chain-guard centre-to-centre spacing, L is taken1=350mm；
L2For test block top cutter effective length, L is taken2=180mm；
L23For the vertical dimension of axle Z2 and Z3 centrage, L is taken23=40mm；
R is radius of wheel in running gear, takes R=200mm.
The present invention can obtain key working part Specifeca tion speeification during farm work corresponding time in real time
Change curve, and show in graphical form, the optimization design for miniature farm machinery key working part provides basic platform.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of miniature farm machinery rotation working part field testing device, is characterized in that：Including frame (100), the frame
(100) bottom is provided with running gear, and power source (4) and second shaft coupling (23) are provided with the frame (100), described
Power source (4) connection first shaft coupling (22), the first shaft coupling (22) are turned by rotating speed with the second shaft coupling (23)
Square sensor (3) connects；
The second shaft coupling (23) is connected with second driving shaft (Z2), the second driving shaft by the 3rd driving section (24)
(Z2) two ends are connected by the 4th driving section (25) by the bearing supporting in frame (100), the second driving shaft (Z2)
There is the first power transmission shaft (Z1), between first power transmission shaft (Z1) and the second driving shaft (Z2), be provided with two chain-guards
(8), the two ends of each chain-guard (8) are connected with the second driving shaft (Z2) and first power transmission shaft (Z1) bearing respectively
Connect；
It is provided between the second driving shaft (Z2) and first power transmission shaft (Z1) and the second driving shaft (Z2) and institute
State the connecting rod (50) that the first power transmission shaft (Z1) is parallel to each other, the two ends of the connecting rod (50) respectively with each chain-guard
(8) connect, be provided with the middle part of the connecting rod (50) for adjusting the adjusting means (2) of connecting rod (50).
2. miniature farm machinery rotation working part field testing device as claimed in claim 1, is characterized in that：The frame
(100) regulation screw mandrel fixed mount (105) is provided with；
The adjusting means (2) includes regulation disk (2b), threaded adjusting bar (2c), swing slide block (2d) and slide block backplate
(2e), screwed hole is provided with swing slide block (2d), the screwed hole and the threaded adjusting on the swing slide block (2d)
Bar (2c) screw thread coordinate, it is described swing slide block (2d) be connected with slide block backplate (2e) bearing, the slide block backplate (2e) and
The connecting rod (50) is fixed；The threaded adjusting bar (2c) is connected by positioning bearing (2a) with screw mandrel fixed mount (105) is adjusted
Connect；Regulation disk (2b) is arranged with the threaded adjusting bar (2c), regulation disk (2b) is solid positioned at the regulation screw mandrel
Determine the top of frame (105).
3. miniature farm machinery rotation working part field testing device as claimed in claim 1, is characterized in that：The rotational speed and torque
Sensor (3) is connected with the electric supply installation and the computer.
4. miniature farm machinery rotation working part field testing device as claimed in claim 2, is characterized in that：The frame
(100) including rectangular side arm (101) and rectangular after-frame (102), the rear end of the side arm (101) and the after-frame
(102) front end is connected by L-shaped connector (103), and the side arm (101) is less than the after-frame (102)；
Regulation screw mandrel fixed mount (105) includes first support bar, second support bar and the 3rd support bar, and described first supports
The bottom of bar and the second support bar and the side arm (101) are fixed, and the two ends of the 3rd support bar are respectively with described the
The top connection of one support bar and the second support bar, the positioning bearing (2a) adjusted on screw mandrel fixed mount (105) set
Put on the 3rd support bar, the 3rd support bar is located at the surface of the connecting rod (50).
5. miniature farm machinery rotation working part field testing device as claimed in claim 1, is characterized in that：The power source
(4) decelerator (5) is connected with by the first driving section (20)；The decelerator (5) is by the second driving section (21) and described
One shaft coupling (22) connects.
6. miniature farm machinery rotation working part field testing device as claimed in claim 5, is characterized in that：The running gear
Including front-wheel (60) and trailing wheel (61), the front-wheel (60) is connected with front axle (Z3)；The trailing wheel (61) and the hind axle
(Z4) connect；
The decelerator (5) is connected with the hind axle (Z4) by the 5th driving section (53).
7. miniature farm machinery rotation working part field testing device as claimed in claim 1, is characterized in that：4th transmission
Portion (25) includes the first Chain conveyer (51) and the second Chain conveyer (52)；Described two chain-guards (8) are passed positioned at first chain
Move between (51) and second Chain conveyer (52).
8. miniature farm machinery rotation working part field testing device as claimed in claim 1, is characterized in that：The two chains shield
Plate (8) centrage place face is more than or equal to 20 ° with the angle of vertical, less than or equal to 90 °；Chain-guard (8) centre-to-centre spacing is big
In equal to 200mm, less than or equal to 600mm；Test block (1) is installed on first power transmission shaft (Z1), the test block (1)
Blade effective length is more than or equal to 100mm, less than or equal to 300mm；The vertical dimension of the axle Z2 and Z3 centrages is more than or equal to
0mm, less than or equal to 100mm；In the running gear, radius of wheel is more than or equal to 100mm, less than or equal to 350mm.
9. miniature farm machinery rotation working part field testing device as claimed in claim 1, is characterized in that：First driving section
(20) pulley drive, the second driving section (21) and the 3rd driving section (24) is adopted to adopt chain gear transmission.
10. a kind of miniature farm machinery rotation working part field test method, is characterized in that：Comprise the following steps：
1) test block of rotary work is installed in frame；
2) adjust test block embedded depth H=L1cosα+L2-L23-R；
In formula：H is embedded depth, and unit is mm；
α is the angle in two chain-guard centrage place faces and vertical, 20 °≤α≤90 °；
L1For chain-guard centre-to-centre spacing, unit is mm；
L2For test block top cutter effective length, unit is mm；
L23For the vertical dimension of axle Z2 and Z3 centrage, unit is mm；
R is radius of wheel in running gear, and unit is mm；
3) start electromotor, put into forward gear, test block is in rotary work state while confirming that whole machine is walked forward；
4) torque and speed sensorses send the data message for measuring to computer, and dynamic is surveyed software and shows that test block turns in real time
Speed, the change curve of torque time corresponding with power.
The step 1) in test block be arranged on the first power transmission shaft (Z1), first power transmission shaft (Z1) is by Chain conveyer and the
Two power transmission shafts (Z2) connect, and the two ends of second driving shaft (Z2) are connected with rack bearing；
Two chain-guards (8) are provided between first power transmission shaft (Z1) and second driving shaft (Z2), two chain-guards (8)
Two ends be connected with the first power transmission shaft (Z1) and second driving shaft (Z2) bearing respectively, two chain-guards (8) are by connecting rod
(50) connect, the connecting rod (50) is connected with adjusting means (2)；In step 2) in, two chains shield is adjusted by adjusting means (2)
Plate (8) centrage place face and the angle of vertical, realize the regulation to test block embedded depth.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985821.3A CN109100130B (en) | 2016-11-29 | 2016-11-29 | A kind of miniature farm machinery rotation working part field test method |
| CN201810985697.0A CN109100129B (en) | 2016-11-29 | 2016-11-29 | Miniature farm machinery rotation working part field testing device |
| CN201611067805.3A CN106525403B (en) | 2016-11-29 | 2016-11-29 | A kind of miniature farm machinery rotation working part field testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611067805.3A CN106525403B (en) | 2016-11-29 | 2016-11-29 | A kind of miniature farm machinery rotation working part field testing device |
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| CN201810985697.0A Division CN109100129B (en) | 2016-11-29 | 2016-11-29 | Miniature farm machinery rotation working part field testing device |
| CN201810985821.3A Division CN109100130B (en) | 2016-11-29 | 2016-11-29 | A kind of miniature farm machinery rotation working part field test method |
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| CN106525403B CN106525403B (en) | 2018-10-26 |
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| CN201810985697.0A Active CN109100129B (en) | 2016-11-29 | 2016-11-29 | Miniature farm machinery rotation working part field testing device |
| CN201611067805.3A Expired - Fee Related CN106525403B (en) | 2016-11-29 | 2016-11-29 | A kind of miniature farm machinery rotation working part field testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108120605A (en) * | 2018-01-19 | 2018-06-05 | 安徽农业大学 | A kind of rotary tillage class cutter mechanical property comprehensive test platform |
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- 2016-11-29 CN CN201810985821.3A patent/CN109100130B/en active Active
- 2016-11-29 CN CN201810985697.0A patent/CN109100129B/en active Active
- 2016-11-29 CN CN201611067805.3A patent/CN106525403B/en not_active Expired - Fee Related
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| US6305879B1 (en) * | 2000-04-27 | 2001-10-23 | Todd H. Greenwood | Continuous ditch excavator |
| CN202582881U (en) * | 2012-03-22 | 2012-12-05 | 现代农装科技股份有限公司 | General soil groove testing stand |
| CN103353406A (en) * | 2013-07-31 | 2013-10-16 | 黑龙江省农业机械工程科学研究院 | Suspension moving device of soil-bin automation testing vehicle |
| CN104568420A (en) * | 2015-01-27 | 2015-04-29 | 重庆理工大学 | Small multifunctional trolley based on soil bin testbed |
| CN105067363A (en) * | 2015-08-12 | 2015-11-18 | 山东省农业机械科学研究院 | Rotary cultivator test bed |
| CN105628423A (en) * | 2015-12-24 | 2016-06-01 | 华南农业大学 | Soil cultivation experiment trolley which quickly changes gearbox position |
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| 于艳等: "新型土槽试验平台及测控系统的设计与应用", 《东北农业大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120605A (en) * | 2018-01-19 | 2018-06-05 | 安徽农业大学 | A kind of rotary tillage class cutter mechanical property comprehensive test platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109100130A (en) | 2018-12-28 |
| CN106525403B (en) | 2018-10-26 |
| CN109100130B (en) | 2019-08-23 |
| CN109100129B (en) | 2019-08-23 |
| CN109100129A (en) | 2018-12-28 |
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