CN104041212B - A kind of precise seeding machine of corn - Google Patents
A kind of precise seeding machine of corn Download PDFInfo
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- CN104041212B CN104041212B CN201410053433.3A CN201410053433A CN104041212B CN 104041212 B CN104041212 B CN 104041212B CN 201410053433 A CN201410053433 A CN 201410053433A CN 104041212 B CN104041212 B CN 104041212B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The present invention relates to a kind of sower, particularly relate to a kind of precise seeding machine of corn.Complete machine includes frame, hitching frame, power drive mechanism, cutter shaft component, fertilizing box, fertilising leg, Precision Seeding leg composition; Another complete machine is also configured with the contour wheel installed in the both sides of frame, complete machine is provided with broadcast leakage warning device.The present invention due to housing construction reasonable in design, high life, failure rate is low, improves operating efficiency greatly; After configuration contour wheel, evenly, emergence rate is high for equipment fertilising, sowing depth; Configuration broadcast leakage warning device, the multiple advantages such as tractor driver can control sowing situation at any time, and amount of seed metering and spacing in the rows all can Real-Time Monitorings, and stubble-cleaning is no-tillage, achieves unburned, environmental protection, preserves soil moisture, when robbing, energy-saving and cost-reducing.
Description
Technical field
The present invention relates to a kind of sower, particularly relate to a kind of precise seeding machine of corn.
Background technology
The sower integrating the multiple functions such as stubble-cleaning, sowing, fertilising is the developing direction of modern sower, it not only reduces operating cost, avoid the atmosphere polluting problem that crop straw burning causes, it also avoid the spoiled soil organic matter because of burning simultaneously, reduce the problem of soil quality; Owing to can directly sow after grain header harvesting, meet the agricultural operation characteristic of " spring strives day, Xia Zhengshi ", solve the key issue of the agricultural production of rush-harvesting and rush-planting; Stalk after pulverizing through the effect of natural terrain temperature and rainwater, become the organic manure of high-quality, not only there is soil moisture conservation, rainproof after harden, reduce effect of rainwash, and greatly can improve soil structure, realize agricultural production efficiency.
In view of the various advantages of stubble-cleaning no-tillage seeding machine as above, each scientific research and agricultural machinery production unit, numerous and confused such type of development, but so far, the technical scheme of this series products existing retrieved, all also exists following major defect:
1, due to housing construction defect, cause organism life-span low, fault rate is high, has a strong impact on operating efficiency.
2, without feeler mechanism, thus fertilising, sowing depth inequality, cause the underproduction.
3, during broadcast leakage, do not have detection alarm device, tractor driver cannot discover, and causes large area to lose and receives.
4, amount of seed metering and spacing in the rows cannot Real-Time Monitorings.
Content of the present invention
The object of the invention is the above-mentioned defect overcoming prior art existence, design a kind of precise seeding machine of corn integrating the multiple functions such as stubble-cleaning, sowing, fertilising, at the direct seeding corn of harvested wheatland, sowing, fertilization depth copying control, possess broadcast leakage warning, the Real-Time Monitoring amount of sowing and spacing in the rows.
The technical scheme that solution the technology of the present invention problem is taked is: a kind of precise seeding machine of corn, includes frame, hitching frame, power drive mechanism, cutter shaft component, fertilizing box, fertilising leg, Precision Seeding leg composition, it is characterized in that: in the both sides of frame, contour wheel is installed, complete machine is provided with broadcast leakage warning device, described contour wheel comprises fixed support, screw rod, upper cover plate, interstage sleeve, lifting support, tire, bearing block, bearing cap, nut, bearing, fixed support is fixed on framework lateral plate, screw clearance is matched with in upper cover plate hole, interstage sleeve Limit screw moves axially, screw rod screws in lifting support threaded upper ends hole, cover plate and fixed support are fixed, rotary screw, lifting support will move up or down, bearing block suit is fixed on the steel ring of tire, lifting support lower end welding support bar, support bar is set with two bearings, nut axial locking, bearing block is connected with bearing cap screw thread pair, described broadcast leakage warning device is, at the mouth of sowing of Precision Seeding leg, sensor assembly is housed, sensor assembly connects interconnecting device by wire harness, signal wire transmission to interconnecting device, interconnecting device is transferred to signal wireless to be arranged on and drags pick alarm in driver's cabin and host display.
Described frame, is formed by two blocks of side plates and semi-closed casings assembly welding, and weld U-shaped plate enhanced machine shelf structure intensity, welded plate fixes hitching frame; Welded plate stationary power geartrain components, side plate welds two angle steel and is used for fixing fertilizing box parts, and welding square tube fixes Precision Seeding pin components, welds another square tube fixing fertilising pin components; Stationary knife group is fixed on semi-closed casings.
Effect of the present invention:
1, because housing construction is reasonable in design, high life, failure rate is low, improves operating efficiency greatly;
2, contour wheel copying control sowing depth, straight uniform of emerging, emergence rate is high;
3, broadcast leakage is reported to the police immediately, stops large area and reseeds and situation in poor harvest, and amount of seed metering and spacing in the rows all can Real-Time Monitorings,
4, stubble-cleaning is no-tillage, achieves unburned, environmental protection, preserves soil moisture, when robbing, energy-saving and cost-reducing.
Accompanying drawing explanation
Fig. 1 is precise seeding machine of corn front view of the present invention.
Fig. 2 is precise seeding machine of corn rearview of the present invention.
Fig. 3 is frame cutaway view of the present invention.
Fig. 4 is frame front view of the present invention.
Fig. 5 is cutter shaft of the present invention and transmission system cutaway view.
Fig. 6 is fertilizing box front view of the present invention.
Fig. 7 is handle of the present invention and six square shaft sectional arrangement drawings.
Fig. 8 is contour wheel schematic diagram of the present invention.
Fig. 9 is fertilising leg schematic diagram of the present invention.
Figure 10 is Precision Seeding leg end view of the present invention.
Figure 11 is Precision Seeding leg vertical view of the present invention.
Figure 12 is Precision Seeding leg right view of the present invention.
Figure 13 is that schematic diagram arranged by broadcast leakage warning device of the present invention.
Label in accompanying drawing is respectively:
1. gimbal coupling; 2. fertilising pipe; 3. gimbal coupling; 4. gear;
100. frame; 200. hitching frame; 300. power drive mechanism;
400. cutter shaft component; 500. fertilizing box; 600. contour wheel; 700. fertilising legs;
800. Precision Seeding legs; 900. broadcast leakage warning devices; 101. side plate; 102. side plate;
103. semi-closed casings; 104. welded plate; 105. welded plate; 106. welded plate;
107. angle steel; 108. square tube; 109. square tube; 110. stationary knife groups;
111.U template; 112.U template; 301. corner casees; 302. belt pulley;
303. belt; 304. belt pulley; 305. strainer; 401. rotating shaft;
403. tulwar sheets; 402. straight knife sheets; 404. bearing pin; 405. spacer;
407. stifle; 408. bearing; 409. sealing ring 410. bearing blocks;
411. transparent cover; 501. bevel gear housing; 502. riser; 503. stainless steel casings;
504. case lid; 505. six square shafts; 506. fertilising boxes; 507. baffle plate;
508. regulating handle; 508-1. handlebar; 508-2 fixed head; 508-3. brake hoop;
508-4. locking nut; 508-5. lid; 509. riser; 601. fixed support;
602. screw rod; 603. upper cover plate; 604. interstage sleeve; 605. lifting support;
606. tire; 607. bearing block; 608. bearing cap; 609. nut;
610. bearing; 611. bearing; 701.U type bolt; 702. fixed head;
703. square steel; 704. special pipe; 705. colter; 706. pipe;
801. support; 802. plough; 803. covering device; 804. six speed spoonful formula seeding units;
805. kinds of boxes; 806. sebific duct; 807. spring;
808. axle; 809. fork; 810. connecting rod; 811. land axle;
812. land wheel; 813. transmission case; 814. connecting axle; 815. transmission case;
816. sprocket wheel; 817. sprocket wheel; 901. sensor assembly; 902. interconnecting device;
903. alarms and host display.
Embodiment
See Fig. 1 ~ Figure 13, a kind of precise seeding machine of corn, comprise more than one gimbal coupling 1,3, complete machine is by tractor-drawn; Described a kind of precise seeding machine of corn comprises frame 100, hitching frame 200, power drive mechanism 300, cutter shaft component 400, fertilizing box 500, contour wheel 600, fertilising leg 700, Precision Seeding leg 800, broadcast leakage warning device 900; Described hitching frame 200 is fixed in frame 100, configuration meets agricultural tractor 3 articulated technique conditions, tractor rear-mounted power output shaft gimbal coupling connects power drive mechanism 300 input, by transmission of power to cutter shaft 401, cutter shaft drives many group blade High Rotation Speeds, repeatedly impacts to rub tear and finally reach the effect of crushing straw stalk; Described fertilizing box 500 is fixed on frame 100 angle steel; Two contour wheels 600 are separately fixed on the side plate 101,102 of frame 100 both sides, and the setting of contour wheel 600 changes load born by engine body situation, improves the life-span of complete machine, effectively control the ferti-seeding degree of depth; Fertilising leg 700 U-bolt 701 is fixed in the square tube 109 of frame 100, and interval is unanimously adjustable, is connected the pipe 2 that applies fertilizer between fertilizing box 500 with fertilising leg 700, and in the square tube 108 of Precision Seeding leg 800 with U-bolt fixed frame 100, interval is consistent, adjustable; Connect with gimbal coupling 1 between each Precision Seeding pin components axle 808, when can guarantee that any one Precision Seeding leg land wheel 812 rotates, each seeding unit all can seeding; Gear 4 is arranged on the side plate 102 of frame 100, and the parts axle 808 of input hole and Precision Seeding leg 800 is sliding joins, and is connected with the gear 501 of fertilizing box 500 by Hooks coupling universal coupling 3; At the mouth of sowing of Precision Seeding leg 800, multiple sensor assembly 901 is housed, sensor assembly 901 detection signal wire transmission to interconnecting device 902, interconnecting device 902 radios to be arranged on and drags pick alarm in driver's cabin and host display 903, realize due to mechanical breakdown or sowing blockage, alarm is reported to the police immediately, and host display shows the function of sow quantity and spacing in the rows.
Described frame 100, by side plate 101, side plate 102 and semi-closed casings 103 assembly welding form, and are welded in U-shaped plate 111, the 112 enhanced machine shelf structure intensity between biside plate, welded plate 104,106 fixing hitching frames 200; Stationary power transmission mechanism 300 parts on welded plate 105, side plate weld two angle steel 107 and are used for fixing fertilizing box 500 parts, and welding square tube 108 fixes Precision Seeding leg 800 parts, welding square tube 109 fixing fertilising leg 700 parts; Stationary knife group 110 is fixed on semi-closed casings 103.
Described power drive mechanism 300 comprises 90 ° of corner casees 301, belt pulley 302, belt 303, belt pulley 304, strainer 305, corner case 301 base is fixed on welded plate 105, output flange is fixed on framework lateral plate 101, output shaft is set with belt pulley 302, uses key transmitting torque, nut axial restraint and clamp ring is locking; Belt pulley 303 is sleeved on cutter shaft rotating shaft 401 axle journal, uses key transmitting torque, nut axial restraint and clamp ring is locking; Belt pulley 302 and belt pulley 303 V belt transferring power, belt is provided with strainer 305.
The parts rotating shaft 401 cylindrical shell cylindrical of described cutter shaft component 400 is welded with 30 ~ 50 groups of risers uniform on cylindrical developed surface, riser is set with bearing pin 404, bearing pin is set with two tulwar sheets 403 and straight knife sheet 402, by spacer 405 axial limiting between blade, form 30 ~ 50 groups of set of blades, framework lateral plate 101 and side plate 102 are all set with and are fixed with bearing block 410, sealing ring 409, bearing 408, stifle 407, transparent cover 411 is set with in bearing block 410, formation rotating shaft 401, rotating shaft 401 axle journal and bearing tight fit; Moving axially of axle journal step restriction rotating shaft; Stifle 407 is equipped with grease nipple, lubricates supporting device.
Described fertilizing box 500 bag bevel gear housing 501, draws together riser 502, riser 509, stainless steel casing 503, case lid 504, six square shafts 505, multiple fertilising box 506, baffle plate 507, regulating handle 508; Described side plate 502 and side plate 503 are fixed on stainless steel casing 503 both ends of the surface, and biside plate and case lid 504 are hinged, and stretch recessed, have elongated hole at the bottom of described stainless steel casing 503 casees; The fertilising box 506 be fixed on convex surface comprises shell body and sheave, and sheave rotates in housing because of the rotation of six square shafts 505, moves left and right by being fixed on the promotion of the baffle plate 507 on six square shafts 505, thus control defertilizing amount number; Described bevel gear housing 501 is fixed on riser 502, joins with six square shafts 505 are sliding; Described handle comprises the fixed head 508-2 be fixed on riser 509, handlebar 508-1, brake hoop 508-3, locking nut 508-4, lid 508-5, and described six square shafts 505 back-up ring and split pin are axially fixed in handlebar 508-1 hole; Handlebar 508-1 and fixed head 508-2 forms screw thread pair, and promotion six square shaft 505 moves left and right by turning handle bar 508-1; Be adjusted to correct position locking nut 508-4 and promote brake hoop 508-3 locking.
Described contour wheel 600 comprises fixed support 601, screw rod 602, upper cover plate 603, interstage sleeve 604, lifting support 605, tire 606, bearing block 607, bearing cap 608, nut 609, bearing 610, 611, fixed support 601 is fixed on framework lateral plate, screw rod 602 matched in clearance is in upper cover plate 603 hole, interstage sleeve 604 Limit screw 602 moves axially, screw rod 602 screws in lifting support 605 threaded upper ends hole, cover plate 603 and fixed support 601 are fixed, rotary screw 602, lifting support 605 will move up or down, bearing block suit is fixed on the steel ring of tire, lifting support 605 lower end welding support bar, support bar tightens and supporting bearing 610 is housed, 611, nut 609 axial locking, bearing block 607 is connected with bearing cap 608 screw thread pair.
Described fertilising leg comprises U-bolt 701, fixed head 702, square steel 703, special pipe 704, colter 705, pipe 706, fixed head 702 U-bolt 701 is fixed in frame square tube 107, and square steel 703 slides supporting being contained in fixed head 702 hole, fixes with jackscrew, shape tube 704 is elliposoidal, can effectively prevent stalk to be wound around, in the close-fitting side of being set in firm 703, colter 705 uses bolted on square steel 703, be conducive to changing, pipe 706 is welded on square steel 703, connects fertilising pipe 2.
Described Precision Seeding leg 800 comprises support 801, plough 802, covering device 803, and six speed spoonful formula seeding units 804, plant box 805, sebific duct 806, spring 807, axle 808, fork 809, connecting rod 810, land axle 811, land wheel 812, transmission case 813, connecting axle 814, transmission case 815, sprocket wheel 816, sprocket wheel 817; Described plough 802 can up-down adjustment in support 801 square tube hole, fix with jackscrew, covering device 803 is hinged with on plough, torsion spring is housed, and six speed spoonful formula seeding units 804 are fixed on support 801, and entrance has sebific duct 806 to be connected in kind of box 805, seed export is opened on bottom seeding unit, and the component sensors module 901 of broadcast leakage warning device 900 is housed, monitor situation of sowing, seeding unit power shaft is equipped with sprocket wheel 816; Land wheel 812 is fixed on land axle 811, and land wheel 812 rotates through transmission case 813, connecting axle 814, and transmission case 815 is delivered on axle 808, axle 808 is equipped with sprocket wheel 817, is delivered to sprocket wheel 816 by chain, drives seeding unit seed plate to rotate; Described fork 809 is joined with support 801 convex platform is sliding, it is an integral rigidity support that two forks 809 connect by connecting rod 810, can around axle 808 axis oscillating, axle 808 is supported by two rolling bearing units be contained on support 801, positioning sleeve axial location, land axle 811 is supported by two rolling bearing units be contained on two forks 809, positioning sleeve axial location; Two spring 807 one end are articulated with on connecting rod 810 spring base, and the other end is articulated with on support 801, and due to the adjustable length of spring, land wheel is adjustable to soil packing degree of tightness.
Described Precision Seeding leg 800 can be a line or multirow, and is equal with fertilising leg 700 quantity.
Described broadcast leakage warning device 900 forms primarily of sensor assembly 901, interconnecting device 902, alarm and host display 903, and each composition component is market customization elements, supports the use for the machine.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although be described in detail the technical program with reference to previous embodiment, it should be understood by one skilled in the art that it still can be modified to the technical scheme described in previous embodiment, or wherein portion of techniques scheme has been replaced on an equal basis; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a precise seeding machine of corn, include frame (100), hitching frame (200), power drive mechanism (300), cutter shaft component (400), fertilizing box (500), fertilising leg (700), Precision Seeding leg (800) forms, it is characterized in that: in the both sides of frame (100), contour wheel (600) is installed, complete machine is provided with broadcast leakage warning device (900), described contour wheel (600) comprises fixed support (601), screw rod (602), upper cover plate (603), interstage sleeve (604), lifting support (605), tire (606), bearing block (607), bearing cap (608), nut (609), bearing (610) (611), fixed support (601) is fixed on framework lateral plate, screw rod (602) matched in clearance is set in upper cover plate (603) hole, interstage sleeve (604) Limit screw (602) moves axially, screw rod (602) screws in lifting support (605) threaded upper ends hole, cover plate (603) is affixed with fixed support (601) bolt, bearing block (607) suit is fixed on the steel ring of tire (606), lifting support (605) lower end welding support bar, support bar close-fitting is sleeved on bearing (610), (611) in hole, nut (609) axial locking, bearing block (607) is connected with bearing cap (608) screw thread pair, the sensor assembly (901) that the mouth of sowing that described broadcast leakage warning device (900) comprises Precision Seeding leg is installed, sensor assembly is connected with interconnecting device (902) by shielded signal line, and alarm and host display (903) are arranged on tractor driving indoor, interconnecting device (902), alarm and host display (903) are connected to tractor direct current output interface by wire harness.
2. a kind of precise seeding machine of corn according to claim 1, it is characterized in that: described frame (100), by side plate (101), side plate (102) and semi-closed casings (103) assembly welding form, be welded in the U-shaped plate (111) between biside plate, (112), enhance rack construction intensity, welded plate (104), (106) fix hitching frame (200); Welded plate (105), power drive mechanism (300) parts are installed, side plate (101), fixing fertilizing box (500) parts of two angle steel (107) of welding between side plate (102), fixing Precision Seeding leg (800) parts of square tube (108) of welding, square tube (109) fixing fertilising leg (700) parts of welding; Stationary knife group (110) is fixed on semi-closed casings (103).
3. a kind of precise seeding machine of corn according to claim 1, it is characterized in that: described power drive mechanism (300) comprises 90 ° of corner casees (301), belt pulley (302), belt (303), belt pulley (304), strainer (305), corner case (301) base is fixed on welded plate (105), output flange is fixed on framework lateral plate (101), output shaft is set with belt pulley (302), use key transmitting torque, nut axial restraint and clamp ring is locking; Belt pulley (303) is sleeved on cutter shaft rotating shaft (401) axle journal, uses key transmitting torque, nut axial restraint and clamp ring locking; V belt transferring power used by belt pulley (302) and belt pulley (303), and belt is provided with strainer (305).
4. a kind of precise seeding machine of corn according to claim 1, it is characterized in that: parts rotating shaft (401) the cylindrical shell cylindrical of described cutter shaft component (400) is welded with 30 ~ 50 groups of risers, arrangement is pressed on cylindrical developed surface uniform, riser is set with bearing pin (404), bearing pin is set with two tulwar sheets (403) and straight knife sheet (402), by spacer (405) axial location between blade, form 30 ~ 50 groups of set of blades; Framework lateral plate (101) and side plate (102) all fixed cover are equipped with bearing block (410), sealing ring (409), bearing (408), stifle (407), transparent cover (411) is set with, rotating shaft (401) axle journal and bearing tight fit in bearing block (410); Stifle (407) is equipped with grease nipple.
5. a kind of precise seeding machine of corn according to claim 1, it is characterized in that: described fertilizing box (500) comprises bevel gear housing (501), riser (502), riser (509), stainless steel casing (503), case lid (504), six square shafts (505), multiple fertilising box (506), multiple baffle plate (507), regulating handle (508); Described side plate (502) and side plate (503) are fixed on stainless steel casing (503) both ends of the surface, and biside plate and case lid (504) are hinged; Stretch at the bottom of described stainless steel casing (503) case recessed, have elongated hole; Fertilising box (506) comprises shell body and sheave is fixed on above boss; Described bevel gear housing (501) is packed on riser (502), joins with six square shafts (505) are sliding; Described handle comprises the fixed head (508-2) be fixed on riser (509), handlebar (508-1), brake hoop (508-3), locking nut (508-4), lid (508-5), described six square shafts (505) are axially fixed in handlebar (508-1) hole with back-up ring and split pin; Handlebar (508-1) and fixed head (508-2) form screw thread pair, and promotion six square shaft (505) moves by turning handle bar (508-1) to the left or to the right; Be adjusted to correct position locking nut (508-4) and promote brake hoop (508-3) locking.
6. a kind of precise seeding machine of corn according to claim 1, it is characterized in that: described fertilising leg comprises U-bolt (701), fixed head (702), square steel (703), special pipe (704), colter (705), pipe (706), fixed head (702) U-bolt (701) is fixed in frame square tube (107), square steel (703) cunning is supporting to be contained in fixed head (702) square hole, fix with jackscrew, shape tube (704) is elliposoidal, close-fitting suit is with on square steel (703), colter (705) uses bolted on square steel (703), pipe (706) is welded on square steel (703), connect fertilising pipe (2).
7. a kind of precise seeding machine of corn according to claim 1, it is characterized in that: described Precision Seeding leg (800) comprises support (801), plough (802), covering device (803), six speed spoonful formula seeding units (804), plant box (805), sebific duct (806), two springs (807), axle (808), two forks (809), connecting rod (810), land axle (811), land wheel (812), transmission case (813), connecting axle (814), transmission case (815), sprocket wheel (816), sprocket wheel (817), described plough (802) is inserted in support (801) square tube hole, fixes with jackscrew, and covering device (803) is articulated with on plough, and torsion spring is housed, six speed spoonful formula seeding units (804) are fixed on support (801), entrance has sebific duct (806) to be connected with kind box (805), sowing port is opened on bottom seeding unit, and the component sensors module (901) of broadcast leakage warning device (900) is housed, sprocket wheel (816) seeding unit power shaft is equipped with, land wheel (812) is fixed on land axle (811), land wheel (812) rotates through transmission case (813), connecting axle (814), transmission case (815) is delivered on axle (808), sprocket wheel (817) axle (808) is equipped with, be delivered to sprocket wheel (816) by chain again, drive seeding unit seed plate to rotate, described two forks (809) cunning is supporting to be contained on support (801) boss, it is an integral rigidity support that two forks (809) connect by connecting rod (810), can around axle (808) axis oscillating, axle (808) is supported by two rolling bearing units be contained on support (801), positioning sleeve axial location, land axle (811) is supported by two rolling bearing units be contained on two forks (809), two springs (807) one end is articulated with on connecting rod (810) spring base, and the other end is articulated with on support (801).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410053433.3A CN104041212B (en) | 2014-02-12 | 2014-02-12 | A kind of precise seeding machine of corn |
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| CN201410053433.3A CN104041212B (en) | 2014-02-12 | 2014-02-12 | A kind of precise seeding machine of corn |
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| CN104041212B true CN104041212B (en) | 2016-04-06 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104823545A (en) * | 2015-04-29 | 2015-08-12 | 菏泽新亚机械设备有限公司 | Stubble-cleaning precision seeder |
| CN109328510A (en) * | 2018-12-13 | 2019-02-15 | 北方民族大学 | A kind of the deep ploughing fertilizer integrated apparatus and its application method of agricultural |
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| CN103392421A (en) * | 2013-08-17 | 2013-11-20 | 宿州市农业机械研究所 | Wheat stubble cleaning and corn no-tillage fertilizing seeder |
| CN203675563U (en) * | 2014-02-12 | 2014-07-02 | 安徽京田机械股份有限公司 | Corn precision seeder |
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| Publication number | Publication date |
|---|---|
| CN104041212A (en) | 2014-09-17 |
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