CN203261695U - Plant-to-row seed drill - Google Patents
Plant-to-row seed drill Download PDFInfo
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- CN203261695U CN203261695U CN 201320320070 CN201320320070U CN203261695U CN 203261695 U CN203261695 U CN 203261695U CN 201320320070 CN201320320070 CN 201320320070 CN 201320320070 U CN201320320070 U CN 201320320070U CN 203261695 U CN203261695 U CN 203261695U
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Abstract
The utility model relates to a plant-to-row seed drill which comprises a rack and a land wheel transmission device, wherein the left and right sides of the rack are respectively provided with a marker, seeding monomers are arranged on the rack, furrowing soil-covered devices are arranged below the rack, the rear part of the rack is provided with an operating desk, one side of the operating desk is provided with a seed plate, the front end of the rack is provided with a row length adjusting device, the row length adjusting device comprises a box, a power input device and a power output device, the power input device is connected with the land wheel transmission device, the power output device is connected with the seeding monomers, each seeding monomer comprises a seed storage device, a seed discharge device and a seed sowing device, and the seed sowing device is arranged at the lower part of the seed storage device; the seeding monomers and the furrowing soil-covered devices are respectively divided into multiple sets, and arranged on a machine body in parallel. The plant-to-row seed drill provided by the utility model is a plant-to-row drill seeding machine which integrates the functions of seed storage, seed discharge, seed sowing, furrowing and soil covering, can realize the simultaneous seeding of multiple varieties, and is high in plant-to-row test contrast precision, low in seed damage rate, high in mechanization degree, and good in plant-to-row uniformity.
Description
Technical field
The utility model belongs to the agricultural machinery field, specifically, relates to a kind of plant-to-row seed drill for the embanked field sowing.
Background technology
Seed engineering is the emphasis of various countries' economic work always, improves breeding of improved seeds, guarantees grain security, and improve grain yield is also the problem that China shows great attention to always.2010, central authorities' " file " just pointed out, " conscientiously the focusing on prevalent variety cultivation of agricultural science and technology, accelerate agro-ecology breeding innovation and apply System Construction ".In the rearing new variety stage, a kind of dependable performance, accurate, the adaptable plant-to-row seed drill of test become the instrument that breeding units is badly in need of.External plant seeding machinery equipment is comparatively expensive, and can not satisfy well the breeding requirement of China, especially can not adapt to larger agriculture requirement and the Breeding Model of the southern and northern breeding units gap of China, and the independent research technology of domestic plant drilling equipment is in blank substantially, the plant breeding work of domestic drilling crop is still take the artificial broadcast as main, labour intensity is large, has seriously restricted the selection experiment accuracy, is restricting the development of Chinese breeding industry.To tackle change or adjustment that the residential quarter requires the experimental factors such as seed variety, seeding quantity, sowing row be long during residential quarter plant-to-row seed drill operation, and sow and realize that seeding is clean after complete, for improve sowing efficient also to deposit kind, the integrated test of sowing, earthing and reduce the seed damage ratio and proposed higher requirement, present residential quarter plant-to-row seed drill is still deposited kind of a deficiency in these areas.
The utility model content
The purpose of this utility model be to improve the deficiency of existing residential quarter plant-to-row seed drill and provide a kind of integrate deposit kind, let out kind, sowing, trench digging, earthing, plant-to-row test contrast precision is high, the seed damage ratio is low, adapt to many ground breeding units work pattern, mechanization degree is higher, Seeding Uniformity is better, can complete simultaneously the plant-to-row seed drill that many kinds crop is sowed simultaneously.
the technical solution of the utility model is: a kind of plant-to-row seed drill, comprise frame and ground wheel transmission device, the frame left and right is respectively arranged with marker, be provided with the seeding monomer on frame, the frame below is provided with the trench digging covering device, the frame rear portion is provided with operating desk, one side of operating desk is provided with kind of a dish, the frame front end is equipped with capable length regulating device, the row length regulating device comprises casing, power input device and power take-off, power input device is connected with the ground wheel transmission device, power take-off is connected with the seeding monomer, the seeding monomer comprises deposits kind of a device, let out kind of device and being arranged at and deposit the seeding unit of kind of device bottom, described seeding monomer all has many groups with the trench digging covering device, and parallel arranged is installed on body.
Preferably: the power input device of row length regulating device comprises the power input sprocket pulley gear interior with being arranged on casing that is arranged on outside casing, both connects by power input shaft; Described power take-off comprises the power output sprocket driven cone pulley interior with being arranged on casing that is arranged on outside casing, both connects by power take-off; Pulley gear can move on power input shaft, and driven cone pulley and pulley gear are intermeshing;
Pulley gear comprises mediate roller wheel and drive sprocket, drive sprocket and the engagement of mediate roller wheel; Mediate roller wheel comprises two circular clamping plates, and there is jackshaft at the clamping plate center, is evenly equipped with link around jackshaft, by link and driven cone pulley engagement; The jackshaft of drive sprocket is connected by the arm plate with the jackshaft of mediate roller wheel;
Be provided with the gear groove on casing, the gear groove comprises sliding tray and locating slot, the drive sprocket of pulley gear is connected with control arm, the row length regulating device also comprises operating grip, operating grip comprises handle arm and alignment pin, and handle arm can coordinate with the control arm spiral, and handle arm can be with movable pulley device to slide in the gear groove, handle arm may be stuck in locating slot, and alignment pin can insert locating hole to carry out the position and fix.
Preferably: seeding unit is fixed on frame by mounting seat, seeding unit comprises and protects kind of device and cone base, the seeding unit axle is installed under the cone base, the seeding unit axle adopts ringfeder to be connected without key with the cone base, be convenient to the gap of adjustment cone base and mounting seat, seeding unit axle bottom is equipped with bevel gear, and with the bevel gear engagement on the seeding unit line shaft, the seeding unit line shaft is connected with the power take-off of row length regulating device; Cone base top is equipped with cone, be provided with the tensioning roller bearing on mounting seat, protecting kind of a device, to be centered around tensioning roller bearing and cone peripheral, the bottom outer ring surface that protects kind of device is provided with the thread form positive stop strip that prevents sideslip, and mounting seat one side is provided with to regulate protects kind of the adjusting bolt of device rate of tension, and mounting seat is provided with sowing port, sowing port is between cone and tensioning roller bearing, be receiving funnex under sowing port, connect grain tube under receiving funnex, the grain tube end is placed on the trench digging covering device; Described kind of the device of depositing comprises receiving funnex, and the receiving funnex bottom is equipped with deposits kind of a sleeve, deposit kind of lower cartridge and the seeding unit tight card of top cone and.
Preferably: also be provided with two on mounting seat and protect the clamping roller bearing of kind of device and parallel arranged for clamping, clamp roller bearing between tensioning roller bearing and cone, the spacing of two clamping roller bearings is adjustable.
Preferably: let out kind of a device and be positioned at and deposit kind of device top, comprise and let out kind of a handle, letting out kind of handle one end is connected to and deposits kind of sleeve middle part by promoting draw ring, the other end is by letting out kind of a pull bar connection rotating shaft, rotating shaft connects clockwise and anticlockwise motor, rotating shaft one end is connected with limit switch, and middle part and the handle hinged-support of letting out kind of handle are hinged.
Preferably: plant-to-row seed drill ground wheel transmission device is the Double-side land wheel transmission device, lays respectively at the both sides of body, comprises power transmission shaft, and the single-phase clutch that automatically resets all is installed on the power transmission shaft of both sides.
Preferably: the trench digging covering device comprises rack-mounted plough, plough is connected with pull bar, be provided with fixed card and removable pin on pull bar, be set with lower pressing spring between fixed card and removable pin, removable pin is connected to adjusting rod by head, be provided with the suppression dish after plough, adjusting rod is connected on frame by movable axis.
The beneficial effects of the utility model are: (1) the utility model by frame, seeding monomer, let out kind of a device, row length regulating device, wheel drive unit, trench digging covering device etc. form, simple in structure, multiple functional, seeding monomer and trench digging covering device have many groups, can realize that many kinds sow simultaneously.(2) improved the seeding unit structure, can realize that many kinds sow simultaneously, effectively prevented variet complexity, the seed damage ratio reduces, and improves Seeding Uniformity; Adopt single file seeding monomer, can adapt to multirow apart from the plant drilling operation of many kinds.(3) let out kind action and adopt a switch to control, drives by motor positive and inverse and deposit kind of a funnel and move up and down, hoisting depth is controlled by limit switch, and action is let out kind rapidly simultaneously, and planting is thorough.(4) adopt Double-side land wheel that power is provided, effectively reduce and skid on the impact of seeding unit work, both sides are equipped with the automatic resetting clutch device, have guaranteed powerdriven reliability, have improved the stability of seeding monomer work.(5) going length regulating device adopts many gear adjusting mechanisms, simple to operate, residential quarter sowing row can be set accurately long, satisfies the breeding units requirement, can effectively improve plant breeding precision.(6) the transmission mechanism design accurately, guarantees clear realization of planting function automatically, has alleviated breeder's working strength, has avoided variet complexity, has improved plant comparative trial accuracy.(7) the trench digging covering device has profile modeling function, can guarantee that under the rolling ground condition ditching depth is identical, improves seeding accuracy.
Description of drawings
Accompanying drawing 1 is the utility model master TV structure schematic diagram.
Accompanying drawing 2 is the utility model seeding monomer structure schematic diagram.
Accompanying drawing 3 is the left TV structure schematic diagram of the utility model.
Accompanying drawing 4 is the capable length regulating device structural representation of the utility model.
Accompanying drawing 5 is the capable length regulating device pulley device structure of the utility model schematic diagram.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
a kind of plant-to-row seed drill, comprise frame and ground wheel transmission device, the frame left and right is respectively arranged with marker, be provided with seeding monomer 1 on frame, the frame below is provided with trench digging covering device 2, the frame rear portion is provided with operating desk, one side of operating desk is provided with kind of a dish, it is characterized in that: the frame front end is equipped with capable length regulating device 3, row length regulating device 3 comprises casing, power input device and power take-off, power input device is connected with the ground wheel transmission device, power take-off is connected with seeding monomer 1, the seeding monomer comprises deposits kind of a device, let out kind of device and being arranged at and deposit the seeding unit of kind of device bottom, seeding monomer 1 all has many groups with trench digging covering device 2, and parallel arranged is installed on body.
The power input device of row length regulating device 3 comprises the power input sprocket 23 that is arranged on outside casing and is arranged on the interior pulley gear 24 of casing, both connects by power input shaft; Power take-off comprises the power output sprocket 25 that is arranged on outside casing and is arranged on the interior driven cone pulley 26 of casing, both connects by power take-off; Pulley gear 24 can move on power input shaft, and driven cone pulley 26 is intermeshing with pulley gear 24; Pulley gear 24 comprises mediate roller wheel 27 and drive sprocket 28, drive sprocket 28 and 27 engagements of mediate roller wheel; Mediate roller wheel 27 comprises two circular clamping plates, and there is jackshaft 29 at the clamping plate center, is evenly equipped with link 30 around jackshaft 29, by chain 30 with driven cone pulley 26 engagements; The jackshaft of drive sprocket 28 is connected by arm plate 31 with the jackshaft 29 of mediate roller wheel; Be provided with the gear groove on casing, the gear groove comprises sliding tray and locating slot, the drive sprocket 28 of pulley gear 24 is connected with control arm 32, the row length regulating device also comprises operating grip, operating grip comprises handle arm and alignment pin, and handle arm 32 can coordinate with the control arm spiral, and handle arm 32 can be with movable pulley device 24 to slide in the gear groove, handle arm 32 may be stuck in locating slot, and alignment pin can insert locating hole to carry out the position and fix.
Seeding unit is fixed on frame by mounting seat 6, and seeding unit comprises and protects kind of device and cone base 7; The cone base is equipped with seeding unit axle 87 times, seeding unit axle 15 adopts ringfeder to be connected without key with cone base 4, be convenient to the gap of adjustment cone base 7 and mounting seat 6, seeding unit axle 8 bottoms are equipped with bevel gear 9, with the bevel gear engagement on the seeding unit line shaft, the seeding unit line shaft is connected with the power take-off of row length regulating device; Cone base 7 tops are equipped with cone 10, be provided with tensioning roller bearing 11 on mounting seat 6, protect kind of a device and be centered around tensioning roller bearing 11 and cone 10 peripheries, the bottom outer ring surface that protects kind of device is provided with the thread form positive stop strip that prevents sideslip, and mounting seat 7 one sides are provided with to regulate protects kind of the adjusting bolt of device rate of tension; Mounting seat 6 is provided with sowing port, and sowing port between cone 10 and tensioning roller bearing 11, is receiving funnex 12 under sowing port, and 12 times connection grain tubes 17 of receiving funnex, grain tube 17 ends are placed on the trench digging covering device; Described kind of the device of depositing comprises receiving funnex 4, and receiving funnex 4 bottoms are equipped with deposits kind of sleeve 5, deposit kind of sleeve 5 bottoms and seeding unit top cone 10 tight cards and.Also be provided with two on mounting seat 6 and protect the clamping roller bearing of kind of device and parallel arranged for clamping, clamp roller bearing between tensioning roller bearing 11 and cone 10, the spacing of two clamping roller bearings is adjustable, and the spacing of adjusting clamping roller bearing can be regulated and be protected kind of a device rate of tension, thereby regulates the size of sowing port.
Letting out kind of a device is positioned at and deposits kind of device top, comprise and let out kind of handle 13, letting out kind of handle 13 1 ends is connected to and deposits kind of sleeve middle part by promoting draw ring 14, the other end is by letting out kind of pull bar 15 connection rotating shafts, rotating shaft connects clockwise and anticlockwise motor 16, rotating shaft one end is connected with limit switch, and middle part and the handle hinged-support of letting out kind of handle 13 are hinged.
Plant-to-row seed drill ground wheel transmission device is the Double-side land wheel transmission device, lays respectively at the both sides of body, comprises power transmission shaft, and the single-phase clutch 17 that automatically resets all is installed on the power transmission shaft of both sides.The Double-side land wheel transmission device can effectively reduce the impact of skidding on seeding unit work, guarantee powerdriven stable, the power transmission shaft both sides respectively are equipped with the one-way clutch that automatically resets, when the both sides land wheel is synchronous, clutch is all closed, the clutch that guarantees a large side of moment of torsion when asynchronous first breaks away from, and the reduction length of the holddown spring by regulating clutch can change the clutch torque of clutch.
Trench digging covering device 2 comprises rack-mounted plough, plough is connected with pull bar 18, be provided with fixed card 19 and removable pin 20 on pull bar 18, be set with lower pressing spring 21 between fixed card 19 and removable pin 20, removable pin is connected to adjusting rod 22 by head, and adjusting rod 22 is connected on frame by movable axis.
Before work, regulate in advance the gear of capable length regulating device 3 according to the sowing length of residential quarter, pulley gear 24 is engaged on the corresponding sprocket wheel of driven cone pulley 26, require to adjust trench digging covering device 2 and the position of marker on frame according to the sowing line-spacing.in work, operator on operating desk will plant the seed of placing in dish and sequentially pour in the receiving funnex 12 of each seeding monomer 3 according to sowing, seed is slipped in the space of depositing kind of sleeve 5 and cone 10 formation, when arrival needs the sowing residential quarter, the operator presses and lets out kind of a gauge tap, clockwise and anticlockwise motor drives lets out kind of a pull bar motion, thereby drive and let out kind of handle to lower swing, depositing kind of sleeve 5 promotes rapidly, clockwise and anticlockwise motor begins counter-rotating after reaching predetermined hoisting depth, make and deposit kind of sleeve 5 and fall after rise rapidly, depositing the hoisting depth of kind of device controls by limit switch, deposit kind of device and promote moment, seed is along cone 10 landings, and uniformly dispersing cone 10 with protect in the ring-type wedge shape space that kind of device forms.Land wheel rotates and drives 3 rotations of row length regulating device, the power take-off of row length regulating device 3 drives the seeding unit line shaft and rotates, thereby the bevel gear 9 by engagement drives seeding unit axle 8 and 7 rotations of cone base, simultaneously with movable cone 10, protect kind of device and between seed synchronously rotate, when seed arrives sowing port on mounting seat, seed is fallen receiving funnex 12 and is fallen into along grain tube 17 the kind ditch that plough is left, and completes suppression process after earthing by press wheel.
Before work, adjust the position of plough and suppression dish, and the position of suppression dish is adjusted rear fixing, plays certain suppression and depth stop effect, and when flatly general work, it is certain that the ditching depth of plough can keep; Run into the fluctuating road surface, certain supporting role is folded in suppression, and plough and pull bar 18 raise up in company with rolling ground, lower pressing spring 21 is compressed, the pressure of lower pressing spring 21 guarantees the ditching depth of plough to the larger downforce of plough, plays certain profiling effect.
In work, can go pulley gear 24 on length regulating device 3 by adjusting, make the sprocket wheel of different-diameter on itself and driven cone pulley 26 intermeshing, realize sowing the long adjusting of row.for example: reduce if need to control sowing row length, in adjustment process, the pull operation handle, on the handle arm 32 that makes operating grip and casing, the locating slot of gear groove breaks away from, make the mediate roller wheel 27 of pulley gear 24 break away from engagement with driven cone pulley 26, the direction slide handle that reduces to driven cone pulley 26 sprocket diameters along the gear groove, make the sprocket engagement of the driven cone pulley 26 of pulley gear 24 and small diameter, and operating grip is stuck in corresponding locating slot, fix its position, thereby the rotating speed of power take-off will be controlled the speed of drilling of seeding unit and will accelerate, make seeding unit sow seed in shorter row is long.
Claims (7)
1. plant-to-row seed drill, comprise frame and ground wheel transmission device, the frame left and right is respectively arranged with marker, be provided with seeding monomer (1) on frame, the frame below is provided with trench digging covering device (2), the frame rear portion is provided with operating desk, one side of operating desk is provided with kind of a dish, it is characterized in that: the frame front end is equipped with capable length regulating device (3), described row length regulating device (3) comprises casing, power input device and power take-off, power input device is connected with the ground wheel transmission device, power take-off is connected with seeding monomer (1), described seeding monomer (1) comprises deposits kind of a device, let out kind of device and being arranged at and deposit the seeding unit of kind of device bottom, described seeding monomer (1) all has many groups with trench digging covering device (2), and parallel arranged is installed on body.
2. plant-to-row seed drill as claimed in claim 1, it is characterized in that: the power input device of described row length regulating device (3) comprises and is arranged on the outer power input sprocket (23) of casing and is arranged on the interior pulley gear (24) of casing, both connects by power input shaft; Described power take-off comprises and is arranged on the outer power output sprocket (25) of casing and is arranged on the interior driven cone pulley (26) of casing, both connects by power take-off; Pulley gear (24) can move on power input shaft, and driven cone pulley (26) is intermeshing with pulley gear (24);
Described pulley gear (24) comprises mediate roller wheel (27) and drive sprocket (28), drive sprocket (28) and mediate roller wheel (27) engagement; Mediate roller wheel (27) comprises two circular clamping plates, and there is jackshaft (29) at the clamping plate center, is evenly equipped with link (30) around jackshaft (29), meshes by link (30) and driven cone pulley (26); The jackshaft of drive sprocket (28) is connected by arm plate (31) with the jackshaft (29) of mediate roller wheel;
Be provided with the gear groove on described casing, the gear groove comprises sliding tray and locating slot, the drive sprocket (28) of pulley gear (24) is connected with control arm (32), the row length regulating device also comprises operating grip, operating grip comprises handle arm and alignment pin, and handle arm (32) can coordinate with the control arm spiral, and handle arm (32) can be with movable pulley device (24) to slide in the gear groove, handle arm (32) may be stuck in locating slot, and alignment pin can insert locating hole to carry out the position and fix.
3. plant-to-row seed drill as claimed in claim 1, it is characterized in that: described seeding unit is fixed on frame by mounting seat (6), and seeding unit comprises and protects kind of device and cone base (7); Seeding unit axle (8) is installed under cone base (7), and seeding unit axle (8) bottom is equipped with bevel gear (9), and with the bevel gear engagement on the seeding unit line shaft, the seeding unit line shaft is connected with the power take-off of row length regulating device; Cone base (7) top is equipped with cone (10), be provided with tensioning roller bearing (11) on mounting seat (6), protect kind of a device and be centered around tensioning roller bearing (11) and cone (10) periphery, the bottom outer ring surface that protects kind of device is provided with the thread form positive stop strip that prevents sideslip, and mounting seat (7) one sides are provided with to regulate protects kind of the adjusting bolt of device rate of tension; Mounting seat (6) is provided with sowing port, sowing port is positioned between cone (10) and tensioning roller bearing (11), be receiving funnex (12) under sowing port, the lower connection grain tube (17) of receiving funnex (12), grain tube (17) end are placed on the trench digging covering device; Described kind of the device of depositing comprises receiving funnex (4), and receiving funnex (4) bottom is equipped with deposits kind of a sleeve (5), deposit the tight card of kind of a sleeve (5) bottom and seeding unit top cone (10) and.
4. plant-to-row seed drill as claimed in claim 3, it is characterized in that: also be provided with two on described mounting seat (6) and protect the clamping roller bearing of kind of device and parallel arranged for clamping, clamp roller bearing and be positioned between tensioning roller bearing (11) and cone (10), the spacing of two clamping roller bearings is adjustable.
5. plant-to-row seed drill as claimed in claim 1, it is characterized in that: described kind of the device of letting out is positioned at and deposits kind of device top, comprise and let out kind of a handle (13), letting out kind of handle (13) one ends is connected to and deposits kind of sleeve middle part by promoting draw ring (14), the other end is by letting out kind of a pull bar (15) connection rotating shaft, rotating shaft connects clockwise and anticlockwise motor (16), and rotating shaft one end is connected with limit switch, and middle part and the handle hinged-support of letting out kind of a handle (13) are hinged.
6. plant-to-row seed drill as claimed in claim 1, it is characterized in that: described ground wheel transmission device is the Double-side land wheel transmission device, lay respectively at the both sides of body, comprise power transmission shaft, the single-phase clutch (17) that automatically resets all is installed on the power transmission shaft of both sides.
7. plant-to-row seed drill as claimed in claim 1, it is characterized in that: described trench digging covering device (2) comprises rack-mounted plough, plough is connected with pull bar (18), be provided with fixed card (19) and removable pin (20) on pull bar (18), be set with lower pressing spring (21) between fixed card (19) and removable pin (20), removable pin is connected to adjusting rod (22) by head, and adjusting rod (22) is connected on frame by movable axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320320070 CN203261695U (en) | 2013-06-05 | 2013-06-05 | Plant-to-row seed drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320320070 CN203261695U (en) | 2013-06-05 | 2013-06-05 | Plant-to-row seed drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261695U true CN203261695U (en) | 2013-11-06 |
Family
ID=49492212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320320070 Expired - Fee Related CN203261695U (en) | 2013-06-05 | 2013-06-05 | Plant-to-row seed drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203261695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103329667A (en) * | 2013-06-05 | 2013-10-02 | 青岛农业大学 | Plant-to-row seed drill |
| CN104012222A (en) * | 2014-05-30 | 2014-09-03 | 李延民 | Electric self-propelled numerical-control plot drill seeder |
| CN106342453A (en) * | 2016-08-24 | 2017-01-25 | 李传慧 | Mini-type seed sowing pushing device for simultaneous proceeding of plurality of holes |
-
2013
- 2013-06-05 CN CN 201320320070 patent/CN203261695U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103329667A (en) * | 2013-06-05 | 2013-10-02 | 青岛农业大学 | Plant-to-row seed drill |
| CN103329667B (en) * | 2013-06-05 | 2016-04-20 | 青岛农业大学 | Plant-to-row seed drill |
| CN104012222A (en) * | 2014-05-30 | 2014-09-03 | 李延民 | Electric self-propelled numerical-control plot drill seeder |
| CN106342453A (en) * | 2016-08-24 | 2017-01-25 | 李传慧 | Mini-type seed sowing pushing device for simultaneous proceeding of plurality of holes |
| CN106342453B (en) * | 2016-08-24 | 2018-12-21 | 宁夏盐池西部畅享农业生物科技有限公司 | Miniature sowing pushing meanss that are a kind of porous while carrying out |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160605 |