CN110073776A - A kind of sowing linkage - Google Patents
A kind of sowing linkage Download PDFInfo
- Publication number
- CN110073776A CN110073776A CN201910479191.7A CN201910479191A CN110073776A CN 110073776 A CN110073776 A CN 110073776A CN 201910479191 A CN201910479191 A CN 201910479191A CN 110073776 A CN110073776 A CN 110073776A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- seeding
- fixed
- connecting rod
- sowing
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Sowing (AREA)
Abstract
The present invention is a kind of sowing linkage, kind of telescopic device is pressed to match with kind of a device is put by setting, seed is usually being blocked by rubber seeding pipe, single seed is passed through seeding pipe when compression set is compressed to and puts kind of bottom of device to extrude, complete the accurate monoseeding of each position of seed furrow, and covering device and water injector work are driven during pressure kind telescopic device driven device driving moves back and forth up and down, during pressing kind, covering device and water injector stop working, during compression set rises, covering device and water injector work, sowing is controlled simultaneously with compression set, earthing, the progress of water spray, and it sows and has immediately carried out earthing and watering, earthing and watering are not will lead to not in time, and linkage only is realized with a driving device, simplify structure.
Description
Technical field
The present invention relates to seeding technique field, specially a kind of sowing linkage.
Background technique
Existing seeder is divided into drill for sowing in lines, seed broadcaster, pneumatic type seeder etc. more, and drill for sowing in lines will be planted by sowing item
Son is by drilling into seed furrow, and multi-purpose headstock gear or valve control the whereabouts of seed, and seed broadcaster is then that will plant
Son is left on spreading gear such as spinner plate, is spilt seed by the rotation of spreading gear, and this seeding method is applicable to
The soil largely sowed, and pneumatic type seeder is caused just by the suction of the variation such as setting air pump air pump of air pressure
Pressure area and negative pressuren zone carry out suction kind in negative pressuren zone and charge seed in zone of positive pressure, and the rotation of multi-purpose roller is carried out inhaling kind and be charged seed, this
Kind seeding method is applicable to the soil of Precise sowing, and existing sowing is generally divided into trench digging, sowing, fertilising, earthing, spray
The processes such as water, overlay film, suppression, and the earthing and trench digging of existing seeding apparatus and water injector etc. are front and back on the car body
Sequence is arranged, and is driven respectively with different drivings or transmission device to multiple devices, ditching is carried out before being sowed, and digs
It is sowed after ditch, after planting earthing, fertilising or watering；This arrangement and the kind of drive make the construction of car body excessively complicated,
A large amount of different drivings and transmission device are needed to drive all parts, and the cooperation between all parts cannot closely connect
It connects, the autonomous working and transmission between all parts be easy to cause broadcast leakage, earthing, and earthing, water spray be not in time not in time or too early
Or the technical issues of spraying water too early.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of sowing linkages, utilize flexible pressure kind device up and down
Seed is pressed into the ditch held successfully and realizes precision drilling, drives earthing and water spray dress in the up and down motion using flexible pressure kind device
It sets while working after planting, not will cause earthing and watering not in time, while the broadcast leakage phenomenon being also prevented from.
To achieve the above object, the invention provides the following technical scheme:
A kind of sowing linkage, including seeding car, the bottom of seeding car are provided with traveling wheel, drive are provided in seeding car
Dynamic device, seeding car, which is internally provided with, puts kind of a device, and the shape for putting kind of device is Upper cylindrical tubular, and lower part is trapezoidal, sowing
The bottom of vehicle is provided with through-hole, and the seed furrow pair that seeding car is outer and holds successfully is stretched out by the through-hole of seeding car in the bottom for putting kind of device
Answer, put the Upper cylindrical cylinder of kind of device be it is hollow, the bottom of the trapezoidal mouth in lower part is placed with more seeds, among the bottom of trapezoidal mouth
It is provided with rubber-like seeding pipe, seeding pipe stretches out the outside for putting kind of device, and the aperture of seeding pipe is slightly less than the partial size of seed.
Further, it puts and is provided with pressure kind telescopic device in the hollow cylinder of kind of device, pressure kind telescopic device can be in hollow cylinder
Interior flexible up and down, the top of pressure kind telescopic device is filled circles tubular, and bottom is coniform, the internal solid cylinder diameter of pressure kind device
Less than the hollow cylinder for putting kind of device, the bottom of conical bottom is corresponding with the seeding pipe position on the trapezoidal mouth for putting kind of device, and pressure kind is stretched
The top of compression apparatus is fixedly connected with connecting plate, and the other end of connecting plate is fixedly connected with mobile bar, and mobile bar is arranged in fixation
In the sliding sleeve inside seeding car, mobile bar can move up and down in sliding sleeve, and the other end connection of mobile bar is on the drive means.
Further, the top of mobile bar is arranged in driving device, and driving device includes driving motor, drive shaft, crankshaft
I, runner, fast pulley, runner shaft, crankshaft II；The output shaft and driving axis connection of driving motor, the other end and crankshaft of drive shaft
One end connection, runner shaft one end of the other end of crankshaft and roller centre connects, and the inner wall of fast pulley is provided with a circle gear ring,
The outside of runner is provided with a circle gear ring and is meshed with the inside gear ring of fast pulley, and the other end and crankshaft II of runner shaft connect
It connects, the other end of crankshaft II and the upper end of mobile bar connect.
Further, covering device is provided on the left of car body internal pressure kind telescopic device, covering device includes covering blade, connects
Bar I, connecting rod II, fixed plate, fixed pulley I；The bottom end of connecting rod I is fixedly connected with covering blade, and the middle section of connecting rod I is hinged on fixed plate
One end, one end of the other end and connecting rod II of connecting rod I is hinged, the other end of connecting rod II by line I around fixed pulley I and even
Fishplate bar connection, fixed pulley I are fixedly connected in fixed plate.
Further, water injector is provided on the right side of car body internal pressure kind telescopic device；Water injector includes being fixed on vehicle
Water tank, water hose and the water spraying control device in internal portion；The top of water tank is fixedly connected with fixed station, the bottom setting of water tank
There is hole, water hose stretches out the position of corresponding seed furrow from hole, is fixedly connected with pressing plate I, the bottom of pressing plate I outside water tank side wall
Portion is semicircle hollow form, and water hose is pierced by from the lower hollow shape of pressing plate I.
Further, the lower end of water tank side wall outer pressing plate I slidably connects pressing plate II, and water hose is arranged in pressing plate I
With the centre of pressing plate II, the middle part of pressing plate II is provided with semicircle shape protrusion, and semicircle shape protrusion and the semicircle of I bottom of pressing plate are hollow
Corresponding cooperation, the width of pressing plate II are wider than pressing plate I, pressing plate II by line II around fixed pulley II and fixed pulley III with connect
Plate connection, fixed pulley II and fixed pulley III are fixed on the securing means.
Compared with prior art, the present invention provides a kind of sowing linkage, have it is following the utility model has the advantages that
The present invention is matched by setting pressure kind telescopic device with kind of a device is put, and is usually blocking kind by rubber seeding pipe
Single seed is passed through seeding pipe when compression set is compressed to and puts kind of bottom of device and extruded, completes each position of seed furrow by son
Accurate monoseeding, and drive covering device during pressure kind of telescopic device driven device driving moves back and forth up and down
It works with water injector, during pressing kind, covering device and water injector stop working, in the process that compression set rises
In, covering device and water injector work, and control sowing simultaneously with compression set, earthing, water spray are carried out, and sowed
Earthing and watering are immediately carried out, earthing and watering is not will lead to not in time, and only realize linkage with a driving device, simplifies
Structure.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is flow control apparatus for water structural schematic diagram of the present invention.
Fig. 3 is that the present invention puts kind of a schematic device.
Fig. 4 is that the present invention puts kind of a device top view.
In figure: 1- car body, 2- traveling wheel, 3- are put kind of a device, 4- seeding pipe, 5- pressure kind telescopic device, 6- connecting plate, 7- and are moved
Lever, 8- sliding sleeve, 9- fast pulley, 10- crankshaft I, 11- runner, 12- crankshaft II, 13- drive shaft, 14- covering blade, 15- connecting rod I,
16- fixed plate, 17- connecting rod II, 18- fixed pulley I, 19- fixed pulley II, 20- fixed pulley III, 21- line I, 22- line II, 23-
Water tank, 24- water hose, 25- pressing plate I, 26- pressing plate II, 27- fixed station.
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.It 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.
With reference to Fig. 1-4: a kind of sowing linkage, including seeding car 1, the bottom of seeding car 1 are provided with traveling wheel 2, broadcast
It is provided with driving device in kind vehicle 1, seeding car 1, which is internally provided with, puts kind of device 3, and the shape for putting kind of device 3 is Upper cylindrical cylinder
Shape, lower part be it is trapezoidal, the bottom of seeding car is provided with through-hole, puts the bottom of kind of device by the through-hole of seeding car and stretches out seeding car
It is corresponding with the seed furrow held successfully outside, put kind of device 3 Upper cylindrical cylinder be it is hollow, the bottom of the trapezoidal mouth in lower part is placed with more kinds
Son, rubber-like seeding pipe 4 is provided among the bottom of trapezoidal mouth, and seeding pipe 4 stretches out the outside for putting kind of device, the hole of seeding pipe 4
Diameter is slightly less than the partial size of seed, puts and is provided with pressure kind telescopic device 5 in the hollow cylinder of kind of device 3, pressure kind telescopic device 5 can be in sky
Flexible up and down in heart cylinder, the top of pressure kind telescopic device 5 is filled circles tubular, and bottom is coniform, the filled circles of pressure kind device 5
Cylinder diameter is less than the hollow cylinder for putting kind of device, and the bottom of conical bottom is corresponding with the seeding pipe position on the trapezoidal mouth for putting kind of device,
The top of pressure kind telescopic device 5 is fixedly connected with connecting plate 6, and the other end of connecting plate 6 is fixedly connected with mobile bar 7, mobile bar 7
It is arranged in the sliding sleeve being fixed on inside seeding car 1, mobile bar 7 can move up and down in sliding sleeve 8, and the other end of mobile bar 7 connects
It connects on the drive means, the top of mobile bar 7 is arranged in driving device, and driving device includes driving motor, drive shaft 13, crankshaft
I (10), runner 11, fast pulley 9, runner shaft, crankshaft II (12)；The output shaft of driving motor is connect with drive shaft 13, drive shaft
13 other end is connect with one end of crankshaft I (10), and the other end of crankshaft I (10) and the runner shaft one end at 11 center of runner connect
It connects, the inner wall of fast pulley 9 is provided with a circle gear ring, and the outside of runner 11 is provided with a circle gear ring and the inner teeth with fast pulley 9
Circle is meshed, and the other end of runner shaft is connect with crankshaft II (12), and the other end of crankshaft II (12) and the upper end of mobile bar 7 connect
It connects, covering device is provided on the left of car body internal pressure kind telescopic device, covering device includes covering blade 14, connecting rod I (15), connecting rod
II (17), fixed plate 16, fixed pulley I (18)；The bottom end of connecting rod I (15) is fixedly connected with covering blade 14, the middle section of connecting rod I (15)
Be hinged on one end of fixed plate 16, one end of the other end and connecting rod II (17) of connecting rod I (15) is hinged, connecting rod II (17) it is another
End is connect around fixed pulley I (18) with connecting plate 6 by line I (21), and fixed pulley I (18) is fixedly connected in fixed plate 16,
Water injector is provided on the right side of car body internal pressure kind telescopic device；Water injector includes the water tank 23 for being fixed on vehicle body, spray
Water hose 24 and water spraying control device；The top of water tank 23 is fixedly connected with fixed station 27, and the bottom of water tank 23 is provided with hole, spray
Water hose 24 stretches out the position of corresponding seed furrow from hole, is fixedly connected with pressing plate I (25), pressing plate I outside 23 side wall of water tank
(25) bottom is semicircle hollow form, and water hose 24 is pierced by from the lower hollow shape of pressing plate I (25), pressure outside water tank side wall
The lower end of plate I (25) slidably connects pressing plate II (26), and water hose 24 is arranged in pressing plate I (25) and pressing plate II (26)
Between, semicircle shape protrusion is provided in the middle part of pressing plate II (26), semicircle shape protrusion is hollow opposite with the semicircle of pressing plate I (25) bottom
It should cooperate, the width of pressing plate II (26) is wider than pressing plate I (25), and pressing plate II (26) bypasses fixed pulley II (19) by line II (22)
It is connect with fixed pulley III (20) with connecting plate, fixed pulley II (19) and fixed pulley III (20) are fixed on fixed station 27.
Further, the course of work of the invention are as follows: in sowing stage, pressure kind compression set is downwards to putting in kind of device
Seed is compressed, and seed is extruded from kind of pipe, as driving device presses kind of a compression set back and forth moving up and down, upward
When movement, line is mobile, and covering blade carries out swinging shoveling earthing under the action of connecting rod, and two pressing plates are separately sprayed on water tank
Water, when moving down sowing, line is moved down, and covering blade is swung up reset, two pressing plate pressures and spray under connecting rod effect
Water hose is flowing out water flow not.
Claims (4)
1. a kind of sowing linkage, including seeding car, the bottom of seeding car is provided with traveling wheel, and driving is provided in seeding car
Device, seeding car, which is internally provided with, puts kind of a device, and the shape for putting kind of device is Upper cylindrical tubular, and lower part is trapezoidal, seeding car
Bottom be provided with through-hole, putting the bottom of kind of device, by the through-hole of seeding car to stretch out seeding car outer with the seed furrow pair held successfully
Answer, put the Upper cylindrical cylinder of kind of device be it is hollow, the bottom of the trapezoidal mouth in lower part is placed with more seeds, among the bottom of trapezoidal mouth
It is provided with rubber-like seeding pipe, seeding pipe stretches out the outside for putting kind of device, and the aperture of seeding pipe is slightly less than the partial size of seed, puts kind
Pressure kind telescopic device is provided in the hollow cylinder of device, pressure kind telescopic device can be flexible up and down in hollow cylinder, the flexible dress of pressure kind
The top set is filled circles tubular, bottom be it is coniform, the internal solid cylinder diameter of pressure kind of device is less than the hollow cylinder for putting kind of device,
The bottom of conical bottom is corresponding with the seeding pipe position on the trapezoidal mouth for putting kind of device, and the top of pressure kind telescopic device is fixedly connected with
The other end of connecting plate, connecting plate is fixedly connected with mobile bar, and mobile bar is arranged in the sliding sleeve being fixed on inside seeding car, is moved
Lever can move up and down in sliding sleeve, and on the drive means, mobile bar is arranged in driving device for the other end connection of mobile bar
Top, driving device include driving motor, drive shaft, crankshaft I, runner, fast pulley, runner shaft, crankshaft II；Driving motor it is defeated
Shaft and driving axis connection, the other end of drive shaft are connect with one end of crankshaft I, the other end of crankshaft I and turning for roller centre
The connection of wheel shaft one end, the inner wall of fast pulley are provided with a circle gear ring, the outside of runner be provided with a circle gear ring and with fast pulley
Internal gear ring is meshed, and the other end of runner shaft is connect with crankshaft II, and the other end of crankshaft II and the upper end of mobile bar connect.
2. sowing linkage according to claim 1, it is characterised in that: the left side of car body internal pressure kind telescopic device is arranged
There is covering device, covering device includes covering blade, connecting rod I, connecting rod II, fixed plate, fixed pulley I；The bottom end of connecting rod I is fixedly connected
There is covering blade, the middle section of connecting rod I is hinged on one end of fixed plate, and one end of the other end and connecting rod II of connecting rod I is hinged, connecting rod II
The other end connect with connecting plate by line I around fixed pulley I, fixed pulley I is fixedly connected in fixed plate.
3. sowing linkage according to claim 1, it is characterised in that: the right side of car body internal pressure kind telescopic device is arranged
There is water injector；Water injector includes the water tank, water hose and water spraying control device for being fixed on vehicle body；The top of water tank
It is fixedly connected with fixed station, the bottom of water tank is provided with hole, and water hose stretches out the position of corresponding seed furrow, water tank side from hole
Pressing plate I is fixedly connected with outside wall, the bottom of pressing plate I is semicircle hollow form, and water hose is worn from the lower hollow shape of pressing plate I
Out.
4. sowing linkage according to claim 1, it is characterised in that: slide the lower end of water tank side wall outer pressing plate I
It is connected with pressing plate II, the centre of pressing plate I and pressing plate II is arranged in water hose, and the middle part of pressing plate II is provided with semicircle shape protrusion,
The hollow corresponding cooperation of semicircle of semicircle shape protrusion and I bottom of pressing plate, the width of pressing plate II are wider than pressing plate I, and pressing plate II passes through
Line II connect around fixed pulley II and fixed pulley III with connecting plate, and fixed pulley II and fixed pulley III are fixed on the securing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479191.7A CN110073776A (en) | 2019-06-04 | 2019-06-04 | A kind of sowing linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479191.7A CN110073776A (en) | 2019-06-04 | 2019-06-04 | A kind of sowing linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110073776A true CN110073776A (en) | 2019-08-02 |
Family
ID=67423367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910479191.7A Withdrawn CN110073776A (en) | 2019-06-04 | 2019-06-04 | A kind of sowing linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110073776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543145A (en) * | 2020-06-01 | 2020-08-18 | 重庆市农业科学院 | Hole sowing mechanism and vegetable seed sowing device |
| CN112219507A (en) * | 2020-10-31 | 2021-01-15 | 苏平 | Automatic planting equipment of chinese yam beans |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2387024A1 (en) * | 2002-05-21 | 2003-11-21 | Noel D. Lempriere | In-line sub-surface seeding, fertilizing and watering system |
| CN201182061Y (en) * | 2008-02-22 | 2009-01-21 | 李兆连 | Drought resisting type sowing machine |
| CN201398296Y (en) * | 2009-04-17 | 2010-02-10 | 侯国强 | Manual dibble seeding manure spreader |
| CN101755524A (en) * | 2009-06-08 | 2010-06-30 | 甘肃农业大学 | Arid land corn precision seeder with full membrane coverage double-earth furrow sowing |
| CN102287547A (en) * | 2010-06-17 | 2011-12-21 | 励土峰 | Flexible pipe valve device |
| CN107258127A (en) * | 2017-07-10 | 2017-10-20 | 安庆海维环保设备有限公司 | A kind of agricultural seeding car with function of covering soil |
| CN109328553A (en) * | 2018-08-30 | 2019-02-15 | 兰溪市奥而特农业科技有限公司 | A kind of agricultural seeder fertilising pouring integration apparatus |
-
2019
- 2019-06-04 CN CN201910479191.7A patent/CN110073776A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2387024A1 (en) * | 2002-05-21 | 2003-11-21 | Noel D. Lempriere | In-line sub-surface seeding, fertilizing and watering system |
| CN201182061Y (en) * | 2008-02-22 | 2009-01-21 | 李兆连 | Drought resisting type sowing machine |
| CN201398296Y (en) * | 2009-04-17 | 2010-02-10 | 侯国强 | Manual dibble seeding manure spreader |
| CN101755524A (en) * | 2009-06-08 | 2010-06-30 | 甘肃农业大学 | Arid land corn precision seeder with full membrane coverage double-earth furrow sowing |
| CN102287547A (en) * | 2010-06-17 | 2011-12-21 | 励土峰 | Flexible pipe valve device |
| CN107258127A (en) * | 2017-07-10 | 2017-10-20 | 安庆海维环保设备有限公司 | A kind of agricultural seeding car with function of covering soil |
| CN109328553A (en) * | 2018-08-30 | 2019-02-15 | 兰溪市奥而特农业科技有限公司 | A kind of agricultural seeder fertilising pouring integration apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543145A (en) * | 2020-06-01 | 2020-08-18 | 重庆市农业科学院 | Hole sowing mechanism and vegetable seed sowing device |
| CN112219507A (en) * | 2020-10-31 | 2021-01-15 | 苏平 | Automatic planting equipment of chinese yam beans |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108718561B (en) | Astragalus root seeder | |
| CN111201860A (en) | Digging and soil filling integrated device for tree planting | |
| CN115250661B (en) | Soil preparation, fertilization and seeding integrated paddy rice dry farming machine and application method thereof | |
| CN206728576U (en) | The deep layer irrigation rig of soapberry | |
| CN110073776A (en) | A kind of sowing linkage | |
| CN108668575A (en) | A kind of vegetables planted in big canopy seedling transplanting device | |
| CN109328553A (en) | A kind of agricultural seeder fertilising pouring integration apparatus | |
| CN208191254U (en) | Cereal precision drill | |
| CN204741708U (en) | Chinese yam seeding and fertilizing machine | |
| CN114145119B (en) | Intelligent fertilizing device and method for quinoa cultivation | |
| CN110121950A (en) | A kind of sowing earthing watering device | |
| CN106856738A (en) | A kind of Multifunctional crop seeder | |
| CN212381676U (en) | Portable agriculture and forestry quantitative fertilizer applicator | |
| CN117063648B (en) | Variety selection and cultivation optimization system for small red beans | |
| CN112956311A (en) | Combined single body for hole sowing and annular fertilization | |
| CN113068485A (en) | Hand-push small vegetable seeder | |
| CN210641348U (en) | Agricultural production is with digging ground seeding all-in-one | |
| CN219352298U (en) | Dry direct seeding machine for rice | |
| CN116349451A (en) | Cotton planting puncher capable of synchronously fertilizing | |
| CN107926228A (en) | A kind of trickle irrigation wheat seeder | |
| CN208597428U (en) | A kind of spray fertilizing integrated makeup of greenhouse gardening is set | |
| CN207820509U (en) | A kind of hill-drop drill | |
| CN219288145U (en) | Fungus agent spraying and seedling transplanting integrated machine | |
| CN110419283A (en) | A kind of alkaline land soil conditioning reforming apparatus | |
| CN213427026U (en) | Irrigation equipment for farming |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190802 |