CN109496465A - A kind of small-sized rotary tiller convenient for calculating working area - Google Patents
A kind of small-sized rotary tiller convenient for calculating working area Download PDFInfo
- Publication number
- CN109496465A CN109496465A CN201811349417.3A CN201811349417A CN109496465A CN 109496465 A CN109496465 A CN 109496465A CN 201811349417 A CN201811349417 A CN 201811349417A CN 109496465 A CN109496465 A CN 109496465A
- Authority
- CN
- China
- Prior art keywords
- mini
- main body
- tiller
- working area
- small
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000009313 farming Methods 0.000 description 17
- 239000002689 soil Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/16—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with special additional arrangements
-
- B08B1/12—
-
- 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
- G01B21/28—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 areas
Abstract
The invention discloses a kind of small-sized rotary tillers convenient for calculating working area, including mini-tiller main body, connect roller and fixed case, the left end of the mini-tiller main body is fixedly installed with push rod, the lower end of the mini-tiller main body is fixedly installed with bolster, the lower end of the bolster is fixedly mounted on the upper surface of pedestal, the connection roller is located at the right end of pedestal, baffle is provided on the outside of the upper end of the connection roller, being connected together on the inside of the baffle has hairbrush, the fixed case is fixedly mounted on the left-hand face of mini-tiller main body, the inside of the control switch is electrically connected with battery by connection line, controller is fixedly installed with above the timer, and velocity sensor is fixedly installed with above controller.This conveniently calculates working area convenient for the small-sized rotary tiller for calculating working area, and has the function of dust-proof and cleaning coulter, and have the function of bumper and absorbing shock.
Description
Technical field
The present invention relates to mini-tiller correlative technology field, specially a kind of small-sized rotary tiller convenient for calculating working area.
Background technique
Mini-tiller is a kind of small-sized soil cultivating machine, is widely used in agricultural production, and mini-tiller is convenient with its,
The advantages that light and handy, digs to soil using mini-tiller, keeps soil more loose, facilitate subsequent selected by many peasants
Sowing.
In mini-tiller in use, often employer employs cultivated hand farming soil, charge by farming area, but in operation
There is the case where false farming area in journey, therefore, needs to measure land area in cultivating procedure, but current city
Existing mini-tiller is often inconvenient on field calculates working area, and general mini-tiller does not have dust-proof and cleaning and ploughs
The effect of knife, and common mini-tiller does not have bumper and absorbing shock function, and the purpose of the present invention is to provide one kind convenient for calculating
The small-sized rotary tiller of working area, to solve the problems, such as the mini-tiller currently on the market of above-mentioned background technique proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of small-sized rotary tillers convenient for calculating working area, to solve above-mentioned background skill
The most of mini-tiller inconveniences proposed in art calculate working area, and do not have dust-proof and cleaning coulter effect,
And do not have the problem of bumper and absorbing shock function.
To achieve the above object, the invention provides the following technical scheme: it is a kind of convenient for the small-sized micro- cultivated of calculating working area
Machine, including mini-tiller main body, connection roller and fixed case, the left end of the mini-tiller main body are fixedly installed with push rod, and push rod
Top is welded and connected with handrail, and the lower end of the mini-tiller main body is fixedly installed with bolster, and peace is inlayed in the upper end of bolster
Mounted in the inside of mini-tiller main body, the lower end of the bolster is fixedly mounted on the upper surface of pedestal, and the left side setting of pedestal
There is rear-wheel, the connection roller is located at the right end of pedestal, and the outer surface for connecting roller is welded and connected with coulter, described to connect the upper of roller
End outside is provided with baffle, and the upper end of baffle is fixedly mounted on the front side surface of mini-tiller main body, the gear by installation part
Being connected together on the inside of plate has hairbrush, and the fixed case is fixedly mounted on the left-hand face of mini-tiller main body, and fixed case is outer
Surface upper end is fixedly installed with control switch, and the inside of the control switch is electrically connected with battery by connection line, and
It is fixedly connected with timer on front side of battery, controller, and the top of controller are fixedly installed with above the timer
It is fixedly installed with velocity sensor, and is connected with display screen on the left of velocity sensor.
Preferably, bolster equidistantly distributed between mini-tiller main body and pedestal, and mini-tiller main body and pedestal
Constitute stretching structure.
Preferably, the bolster includes fixing groove, sliding slot, fixed link and connecting spring, and peace is inlayed in the inside of fixing groove
Sliding slot is filled, fixed link is fixedly connected on sliding slot, is fixedly installed with connecting spring at left and right sides of the lower end of fixing groove.
Preferably, the vertical sectional shape of the fixed link is " T " font, and fixed link is sliding knot in the inside of fixing groove
Structure.
Preferably, longitudinal section center circular array distribution of the coulter about connection roller, and coulter is in connection roller
Front-rear direction outer surface equidistantly distributed.
Preferably, the hairbrush is distributed about the center of baffle in radiation, and baffle is disassembly in mini-tiller main body
Structure.
It compared with prior art, the beneficial effects of the present invention are: should be convenient convenient for the small-sized rotary tiller of calculating working area
Working area is calculated, and has the function of dust-proof and cleaning coulter, and have the function of bumper and absorbing shock；
1, it is provided with controller, velocity sensor, timer and display screen, mini-tiller traveling can be incuded by velocity sensor
Speed, and timing is carried out to the farming time by timer, then by the product of speed and time, obtains the path of farming
Length, by path length size multiplied by the width dimensions of connection roller, the land area for institute's farming that finally you can get it；
2, it is provided with baffle on the outside of the upper end of connection roller, and is provided with hairbrush on the inside of baffle, since the effect of baffle can be prevented
Only dust is flown upward in cultivating procedure, and in wetland when farming, can be carried out by the effect of hairbrush to coulter clear
Reason to prevent the soil of adhesion in coulter from gradually increasing and blocking the position between baffle and coulter, and can prevent soil viscous
It is connected in coulter and influences the normal work of coulter；
3, it is provided with bolster between mini-tiller main body and pedestal, mini-tiller main body can be made the bottom of at by the effect of bolster
It is prevented in operation for stretching structure to play the role of bumper and absorbing shock to mini-tiller main body on seat, vibration amplitude mistake
Greatly, the part-structure of mini-tiller main body is caused to damage.
Detailed description of the invention
Fig. 1 is that the present invention faces the schematic diagram of the section structure；
Fig. 2 connect side structure schematic view with coulter for present invention connection roller；
Fig. 3 is bolster structural schematic diagram of the present invention；
Fig. 4 is fixed case side elevational cross-section structural schematic diagram of the present invention.
In figure: 1, mini-tiller main body；2, push rod；3, handrail；4, pedestal；5, bolster；501, fixing groove；502, sliding slot；
503, fixed link；504, connecting spring；6, rear-wheel；7, roller is connected；8, coulter；9, baffle；10, installation part；11, hairbrush；12, solid
Determine case；13, control switch；14, connection line；15, battery；16, timer；17, controller；18, velocity sensor；19,
Display screen.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of small-sized rotary tiller convenient for calculating working area,
Including mini-tiller main body 1, push rod 2, handrail 3, pedestal 4, bolster 5, rear-wheel 6, connection roller 7, coulter 8, baffle 9, installation part
10, hairbrush 11, fixed case 12, control switch 13, connection line 14, battery 15, timer 16, controller 17, velocity pick-up
Device 18 and display screen 19, the left end of mini-tiller main body 1 is fixedly installed with push rod 2, and the top of push rod 2 is welded and connected with handrail
3, the lower end of mini-tiller main body 1 is fixedly installed with bolster 5, and the upper end of bolster 5 inlays and is mounted on mini-tiller main body 1
Inside, the lower end of bolster 5 is fixedly mounted on the upper surface of pedestal 4, and the left side of pedestal 4 is provided with rear-wheel 6, connects 7, roller
In the right end of pedestal 4, and the outer surface for connecting roller 7 is welded and connected with coulter 8, connects and is provided with baffle 9 on the outside of the upper end of roller 7,
And the upper end of baffle 9 is fixedly mounted on the front side surface of mini-tiller main body 1 by installation part 10, the inside of baffle 9 is connected together
There is hairbrush 11, fixed case 12 is fixedly mounted on the left-hand face of mini-tiller main body 1, and the outer surface upper end of fixed case 12 is fixed
Control switch 13 is installed, the inside of control switch 13 is electrically connected with battery 15, and battery 15 by connection line 14
Front side be fixedly connected with timer 16, the top of timer 16 is fixedly installed with controller 17, and the top of controller 17 is solid
Dingan County is equipped with velocity sensor 18, and the left side of velocity sensor 18 is connected with display screen 19.
Such as the equidistantly distributed between mini-tiller main body 1 and pedestal 4 of bolster 5 in Fig. 1 and 2, and mini-tiller main body 1 and bottom
Seat 4 constitutes stretching structure, can be stretching motion on pedestal 4 by mini-tiller main body 1, to play buffering to mini-tiller main body 1
The effect of damping, hairbrush 11 are distributed about the center of baffle 9 in radiation, and baffle 9 is disassembly knot in mini-tiller main body 1
Structure can clean the soil on 8 surface of coulter by the effect of hairbrush 11, prevent from causing adhesion of the soil in coulter 8, plough
Longitudinal section center circular array distribution of the knife 8 about connection roller 7, and coulter 8 is between front-rear direction outer surface of connection roller 7 etc.
Away from distribution, farming more evenly can be carried out to soil by the coulter 8 of equidistantly distributed；
As in Fig. 3 bolster 5 include fixing groove 501, sliding slot 502, fixed link 503 and connecting spring 504, fixing groove 501 it is interior
Installation sliding slot 502 is inlayed in portion, and fixed link 503 is fixedly connected on sliding slot 502, is fixed at left and right sides of the lower end of fixing groove 501
Connecting spring 504 is installed, the vertical sectional shape of fixed link 503 is " T " font, and fixed link 503 is in the inside of fixing groove 501
For slide construction, can both be risen between mini-tiller main body 1 and pedestal 4 by sliding of the fixed link 503 inside fixing groove 501
To supporting role, there is the skew that can prevent connecting spring 504.
Working principle: it when being convenient for calculating the small-sized rotary tiller of working area using this, is set in the inside of mini-tiller main body 1
Be equipped with driving rear-wheel 6 and connect roller 7 rotate driving motor and dependency structure, the farming principle of the mini-tiller with it is existing in the market
Mini-tiller farming principle it is consistent, in farming, open mini-tiller main body 1 on switch, start mini-tiller main body 1, after making
Wheel 6 and connection roller 7 rotate simultaneously, at this point, opening control switch 13, so that battery 15 is passed through connection line 14 is respectively model
The power supply of the controller 17 of T05 timer 16 and model MAM-330, in the mini-tiller cultivating procedure, model E3X-NA6's
Speed when velocity sensor 18 operates induction mini-tiller main body 1, and shown by display screen 19, the workflow,
It is consistent with the existing equipment workflow comprising the structure in the market, in addition, in farming, often due to the injustice on ground
Therefore vibration that is whole and causing mini-tiller main body 1 is provided with bolster 5 between mini-tiller main body 1 and pedestal 4, can pass through company
The effect for connecing spring 504 makes fixed link 503 pass through sliding slot 502 in the internal slide of fixing groove 501, thus to mini-tiller main body 1
Shock absorbing effect is played, effectively extends the service life of mini-tiller main body 1, moreover, soil can be made during coulter 8 is digged
Earth is dug and causes flying upward for dust, therefore, can play the role of blocking to dust by the effect of baffle 9, in addition, in soil
In the case where humidity, the soil of adhesion in coulter 8 can be cleared up by the hairbrush 11 of 9 inside of baffle, be prevented in coulter 8
Soil gradually increases, and has not only influenced the farming of coulter 8, but also will cause the blocking between coulter 8 and baffle 9, after farming, note
The speed shown on record display screen 19 and time, and pass through the product of speed and time, the path length of farming is obtained, by path
Length dimension calculates the soil face of farming multiplied by the width dimensions for connecting roller 7, the land area for institute's farming that finally you can get it
Product, to plough hand charge, also to subsequent operation, such as precisely sowing, fertilising and harvesting provide budget foundation, and here it is this just
In the working principle for the small-sized rotary tiller for calculating working area.
The standardized element that the present invention uses can commercially, and shaped piece is according to specification and attached drawing note
Load can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, welding etc.
Conventional means, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection uses the prior art
Middle conventional connection type, this will not be detailed here, and the content being not described in detail in this specification belongs to this field professional technique
The prior art well known to personnel.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
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, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of small-sized rotary tiller convenient for calculating working area, including mini-tiller main body (1), connection roller (7) and fixed case
(12), it is characterised in that: the left end of the mini-tiller main body (1) is fixedly installed with push rod (2), and the top welding of push rod (2)
It is connected with handrail (3), the lower end of the mini-tiller main body (1) is fixedly installed with bolster (5), and the upper end edge of bolster (5)
The lower end of the embedding inside for being mounted on mini-tiller main body (1), the bolster (5) is fixedly mounted on the upper surface of pedestal (4), and bottom
It is provided with rear-wheel (6) on the left of seat (4), connection roller (7) is located at the right end of pedestal (4), and connects the outer surface weldering of roller (7)
It is connected to coulter (8), is provided with baffle (9) on the outside of the upper end of connection roller (7), and the upper end of baffle (9) passes through installation in succession
Part (10) is fixedly mounted on the front side surface of mini-tiller main body (1), and being connected together on the inside of the baffle (9) has hairbrush (11),
The fixed case (12) is fixedly mounted on the left-hand face of mini-tiller main body (1), and the outer surface upper end of fixed case (12) is fixed
It is equipped with control switch (13), the inside of the control switch (13) is electrically connected with battery by connection line (14)
(15), it and on front side of battery (15) is fixedly connected with timer (16), is fixedly installed with control above the timer (16)
Device (17) processed, and velocity sensor (18) are fixedly installed with above controller (17), and the left side of velocity sensor (18)
It is connected with display screen (19).
2. a kind of small-sized rotary tiller convenient for calculating working area according to claim 1, it is characterised in that: the buffering
Part (5) equidistantly distributed between mini-tiller main body (1) and pedestal (4), and mini-tiller main body (1) and pedestal (4) constitute and stretch
Structure.
3. a kind of small-sized rotary tiller convenient for calculating working area according to claim 1, it is characterised in that: the buffering
Part (5) includes fixing groove (501), sliding slot (502), fixed link (503) and connecting spring (504), the inside edge of fixing groove (501)
Embedding installation sliding slot (502) is fixedly connected with fixed link (503) on sliding slot (502), at left and right sides of the lower end of fixing groove (501)
It is fixedly installed with connecting spring (504).
4. a kind of small-sized rotary tiller convenient for calculating working area according to claim 3, it is characterised in that: the fixation
The vertical sectional shape of bar (503) is " T " font, and fixed link (503) is slide construction in the inside of fixing groove (501).
5. a kind of small-sized rotary tiller convenient for calculating working area according to claim 1, it is characterised in that: the coulter
(8) about the longitudinal section center circular array distribution of connection roller (7), and coulter (8) is in the front-rear direction appearance of connection roller (7)
Face equidistantly distributed.
6. a kind of small-sized rotary tiller convenient for calculating working area according to claim 1, it is characterised in that: the hairbrush
(11) it is distributed about the center of baffle (9) in radiation, and baffle (9) is detaching structure on mini-tiller main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349417.3A CN109496465A (en) | 2018-11-13 | 2018-11-13 | A kind of small-sized rotary tiller convenient for calculating working area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349417.3A CN109496465A (en) | 2018-11-13 | 2018-11-13 | A kind of small-sized rotary tiller convenient for calculating working area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109496465A true CN109496465A (en) | 2019-03-22 |
Family
ID=65748292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811349417.3A Pending CN109496465A (en) | 2018-11-13 | 2018-11-13 | A kind of small-sized rotary tiller convenient for calculating working area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109496465A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895137A (en) * | 2019-11-29 | 2020-03-20 | 洛阳中科龙网创新科技有限公司 | Rotary tillage area calculation method and device for rotary cultivator |
| CN110933959A (en) * | 2019-12-15 | 2020-03-31 | 刘彬 | Mini-tiller convenient for cleaning entangled grass |
| CN111989996A (en) * | 2020-08-18 | 2020-11-27 | 朱建华 | Prevent that soil from throwing intelligent agriculture earthing mechanical equipment that spatters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2184331B (en) * | 1985-12-05 | 1989-11-29 | Kubota Ltd | Plowing depth detecting system for rotary plow |
| CN105849662A (en) * | 2013-12-27 | 2016-08-10 | 株式会社小松制作所 | Mining-machine management system, mining machine, and management method |
| CN206525098U (en) * | 2017-02-14 | 2017-09-29 | 特斯联（北京）科技有限公司 | A kind of Chinese garden planting loosenning tiller with positioning function |
| CN107646210A (en) * | 2017-11-28 | 2018-02-02 | 嵩县禾源生态农业有限公司 | A kind of Chinese medicine plants loosening device |
| CN207573848U (en) * | 2017-12-01 | 2018-07-06 | 贵州大学 | A kind of self-propelled spiral deep ploughing machine for preventing soil from adhering to |
-
2018
- 2018-11-13 CN CN201811349417.3A patent/CN109496465A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2184331B (en) * | 1985-12-05 | 1989-11-29 | Kubota Ltd | Plowing depth detecting system for rotary plow |
| CN105849662A (en) * | 2013-12-27 | 2016-08-10 | 株式会社小松制作所 | Mining-machine management system, mining machine, and management method |
| CN206525098U (en) * | 2017-02-14 | 2017-09-29 | 特斯联（北京）科技有限公司 | A kind of Chinese garden planting loosenning tiller with positioning function |
| CN107646210A (en) * | 2017-11-28 | 2018-02-02 | 嵩县禾源生态农业有限公司 | A kind of Chinese medicine plants loosening device |
| CN207573848U (en) * | 2017-12-01 | 2018-07-06 | 贵州大学 | A kind of self-propelled spiral deep ploughing machine for preventing soil from adhering to |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110895137A (en) * | 2019-11-29 | 2020-03-20 | 洛阳中科龙网创新科技有限公司 | Rotary tillage area calculation method and device for rotary cultivator |
| CN110933959A (en) * | 2019-12-15 | 2020-03-31 | 刘彬 | Mini-tiller convenient for cleaning entangled grass |
| CN111989996A (en) * | 2020-08-18 | 2020-11-27 | 朱建华 | Prevent that soil from throwing intelligent agriculture earthing mechanical equipment that spatters |
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Application publication date: 20190322 |
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