CN203492341U - Rotary tilling, mulching and sowing integrated machine - Google Patents
Rotary tilling, mulching and sowing integrated machine Download PDFInfo
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- CN203492341U CN203492341U CN201320559620.XU CN201320559620U CN203492341U CN 203492341 U CN203492341 U CN 203492341U CN 201320559620 U CN201320559620 U CN 201320559620U CN 203492341 U CN203492341 U CN 203492341U
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Abstract
The utility model relates to agricultural sowing equipment, in particular to a rotary tilling, mulching and sowing integrated machine. The rotary tilling, mulching and sowing integrated machine comprises a rotary tiller, a mulching mechanism, a sowing machine, a soil covering mechanism and a frame, wherein the frame is arranged on the rotary tiller; the mulching mechanism, the sowing machine and the soil covering mechanism are arranged on the frame. By the rotary tilling, mulching and sowing integrated machine, the processes of rotary tilling, preparing soil, mulching, sowing, covering soil and the like can be completed at one time. The rotary tilling, mulching and sowing integrated machine is a high-quality integrated machine which has the beneficial effects of high efficiency, energy conservation, convenience, low cost and low waste, has great potential in domestic markets, can bring more benefits to agricultural work of farmers, and meanwhile, is the integrated machine which can complete the processes of rotary tilling, preparing soil, mulching, covering soil and the like at one time.
Description
Technical field
The utility model relates to a kind of agricultural machinery implanted device, particularly a kind of rotary tillage mulch sowing all-in-one that can once complete the operations such as rotary tillage, whole ground, overlay film, sowing, earthing.
Background technology
" full film covers two ridges face collection rain rill and intercuts culture technique " be for arid, semiarid zone, for traditional mulch film sowing, exist receive a moisture in the soil and new technology proposing insufficient with soil moisture conservation, effect of increasing production is obvious, take corn as example volume increase surpasses 30%, there is significant economic benefit.From the corn seeding utensil of current employing, what mainly use is hand-push type dibbler and manual dibbling machine, and this machine is all half manual partly machinery from operation, and labour intensity is large, and production efficiency is low.
So the seeding machinary occurring on the market mainly contains: 2BFM-8/4,2BFG-200,2BG-3A, 1GSBF-9A, 1ZSB-180 etc., above-mentioned type is rotary tillage+sowing combination, the feed mechanism of sower adopts outer groove wheel mostly, and efficiency is low, and uneven sowing is even.At present, crushed stalk and the seeding combined facility of rotary tillage are also being set about researching and developing by some institute and enterprise, but be mostly to combine by force on the basis of rotovator, cracker and sower, technology is integrated and innovation is inadequate, cause that described complete sets of Techniques is poor, efficiency is low, power consumption is large, operation effectiveness does not reach agricultural operation requirement, and all in the prototype test stage, cannot put goods on the market in batches.Existing straw-returning facility mainly contain 1. 1JH, 4JQ, 4JF type and are the work tool with crushed stalk list kind function; 2. SGTN type, SGTN-G type, SGTN-DV type double-shaft stubble cleaning rotary cultivator are the new architectures designing for straw-returning operation in recent years, be mainly used in that corn, cotton, Chinese sorghum are upright, the crushed stalk operation of lay, also there is the stalk smashing function of wheat, paddy rice; 3. 1GQN-JMJ, 1GQN, 1ZSD, the dual-purpose machine for imbedding stubbles and plowing of 1BMQ floods and droughts can be applicable to the cultivated stubble-cleaning of water and grow up at original dry farming rotovator in recent years after structural improvement; 4. 1GSP rotary tillage multiple working type paddy field leveler is the compound ploughing operation machinery designing for water farming industry specially.Domestic sower be take traditional grain drill as main, still occupies an leading position at present with sower and the farm animal driven sowing implement of mating miniature tractor.At present, the whole nation has the enterprise of 500 left and right to produce sower, wherein only has the supporting sower of 10 productions and large and middle tractor, has accounted for the more than 90% of national sower output with the little output of supporting sower and farm animal driven sowing implement of dragging.In recent years, the combined operation seeder development of China is also very fast, its facility mainly contain and sow-drag fertile combine, farming-sowing combine, loosen the soil-apply fertilizer-and overlay film-bunch planting combine and Shi Shui-sowing combine etc., developed again planting after plastic covered combine at present.Secondly, multiple operation technology is conducive to improve operating efficiency and quality, reduce energy consumption with to soil packing effect.The key operation program of sandy soil areas wheat (rice stubble) plantation is to plough (rice straw is field also), rake (whole), sow, ditch, suppress and eliminate etc.; The main program of clay area wheat (rice stubble) plantation is rotary tillage or heavy duty harrow 2～3 times (rice straw is field also), trench diggings, sowing, overlay film, suppress and eliminate etc., there is following unfavorable factor in this individual event operating type, and the one, duty cycle is long, and mechanical efficiency is low, needs machinery and the manpower of input many; The 2nd, large to soil packing degree, caused soil compactibility skewness, affect plant growth; The 3rd, if meet with rainy weather, relevant autumn sowing operation procedure is difficult to carry out, and can incur loss through delay the autumn sowing time, is unfavorable for combating a natural disaster; The 4th, individual event operating cost is high, and energy consumption is large, the time is long, large to the wearing and tearing of tractor, has reduced the availability of unit.In addition, concerning sandy soil ground, if first trench digging after planting causes limes marginis mound to bury that seedling, furrow face are uneven, tire compacting is unfavorable for seed sprouting; If first ditch and sow afterwards, cause that furrow face is uneven, ditch bed subsides, affects seeding operation quality and ditch is unimpeded.Concerning clayed ground, the one, after rotary tillage hack, straw-returning, soil is comparatively bulk, and while carrying out seeding operation, tractor rut is darker, and earth's surface out-of-flatness, has affected seeding quality; The 2nd, on the soil after rotary tillage hack, straw-returning, to sow, during fertilizer deep placement operation, plough easily turns over buried stalk to earth's surface again, not only easily causes plough to stop up but also affect straw-returning quality.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of rotary tillage mulch sowing all-in-one that can once complete the operations such as rotary tillage, whole ground, overlay film, sowing, earthing, the above-mentioned defect existing to overcome prior art.
The technical scheme of the utility model technical solution problem is as follows: a kind of rotary tillage mulch sowing all-in-one comprises rotovator, rotovator comprises shell, transmission case, hang link, Cardan shaft, rotary tillage rotor is mechanism pacifically, transmission case is assembled in shell top, hang link and comprise connection bracket one and connection bracket two, one end of connection bracket one is assembled in transmission case top, one end of connection bracket two is assembled in the front end of shell, one end of Cardan shaft is assembled in transmission case, the other end is connected with the power transmission shaft of tractor, rotary tillage rotor is assembled in shell and is connected with transmission case by rotating shaft, level land mechanism is connected with shell by rotating shaft, rotary tillage mulch sowing all-in-one also comprises film-covering mechanism, sower, casing mechanism and rotovator, film-covering mechanism, sower and casing mechanism is connected to whole framework, rotovator outer casing back is installed crossbeam, this crossbeam rear end face arranges level connection joint portion, level connection joint subordinate end face arranges vertical connecting portion, and level connection joint portion all arranges perforate with vertical connecting portion, framework comprises " U " type frame, " Z " cabinet frame of bearing pin and fixedly sower, " U " type frame both ends arrange perforate, U " type frame upper surface arranges axle sleeve one, U " type frame lower surface arranges projection, in projection, run through perforate is set, fixedly one end of " Z " cabinet frame of sower arranges axle sleeve two, fixedly " Z " cabinet frame of sower also arranges reinforcement, fixedly the other end of " Z " cabinet frame of sower arranges perforate, the level connection joint portion of " U " type frame both ends and rotovator shell is bolted, bearing pin insert axle sleeve one and axle sleeve two by " U " type frame and fixedly " Z " cabinet frame of sower connect as one, film-covering mechanism comprises overlay film connecting rod, overlay film adjusting rod, overlay film crossbearer and folder membrane module, the two ends of connecting rod and middle all arrange perforate, overlay film crossbearer is formed by the cutting of square tube two ends, overlay film crossbearer comprises square tube portion one and " L " type connecting portion, the upper surface of square tube portion one arranges screw, folder membrane module comprises " L " type fixed part and taper type roller, " L " type fixed part comprises square tube portion two and adjutage, adjutage one end arranges perforate, by bolt, taper type roller set is loaded on adjutage, square tube portion two inserts in square tube portion one, then the bolt that rotating group is contained in square tube one screw is assembled into one overlay film crossbearer and folder membrane module, connecting rod one end is assembled in U by bolt " on the projection of type frame, assemble by bolt one end of the connecting rod other end and overlay film crossbearer, one end of the perforate of connecting rod middle and overlay film adjusting rod is bolted, the vertical connecting portion of the other end of overlay film adjusting rod and rotovator shell is bolted, sower comprises cylinder and seeder, cylinder one end arranges the press mold portion of hollow frustum, the center at cylinder two ends arranges central shaft, the central shaft of sower is assembled in the perforate of fixing " Z " cabinet frame of sower, and each sower can free up-down adjustment can be different according to the height of landform time, casing mechanism comprises " U " shape fixed part, montant and the pot of digging, " U " shape fixed part arranges perforate, the perforate of " Z " cabinet frame one end of the perforate of bolt-through " U " shape fixed part and fixedly sower is assembled in " U " shape fixed part on framework, " U " shape fixed part arranged outside pipe portion, pipe portion arranges screw, montant Inserting Tube portion, by being assembled in the height of the bolt adjusting montant in pipe portion screw, one end of montant arranges perforate, pot center of digging arranges perforate, by bolt, the pot of digging is assembled in to one end of montant, by adjusting the height of montant and rotating montant and adjust the angle of earthing pot and then adjust earthing amount.
Preferably, the level connection joint portion that crossbeam arranges is " U " type groove.
Preferably, U " axle sleeve one that arranges of type frame upper surface is near U " type frame front end, U " type frame lower surface arranges projection near U " type frame rear end.
Preferably, the end face that in cylinder the press mold portion of hollow frustum is set arranges kind of a chamber door.
Compared with prior art, rotary tillage mulch sowing all-in-one is compared advantage with traditional manpower and is highlighted, take seeding corn as example, tradition manpower overlay film at least needs 3 people, sowing needs 2 people, and carry out sowing and overlay film work that a large amount of manual labors can complete 0.07 hectare, and rotary tillage mulch sowing all-in-one only need 2 people control all-in-one just efficiently high texture complete work in every; Rotary tillage mulch sowing all-in-one is compared with compound machine on the market; compound machine needs two work that machine just can complete; use rotary tillage mulch sowing all-in-one just can disposablely to complete, reduced the use back and forth of tractor and the waste of the energy, avoided unnecessary work needs; Earthing pot in casing mechanism is compared with ploughshare of the prior art, when running into batch root or stopper earthing pot can rotate avoid batch root or stopper more smooth by operation.In view of this, rotary tillage mulch sowing all-in-one is a kind of high-quality integrated machine efficient, energy-conservation, convenient, that reduce costs, cut the waste that collects, and market has very large potentiality at home, can bring for peasant's agricultural working more incomes; Also be a kind of by one step completed integrated machines of operation such as rotary tillage, whole ground, overlay film, sowing, earthing simultaneously.
The beneficial effects of the utility model are: rotary tillage mulch sowing all-in-one is a kind of high-quality integrated machine efficient, energy-conservation, convenient, that reduce costs, cut the waste that collects, market has very large potentiality at home, can bring for peasant's agricultural working more incomes; Also be a kind of by one step completed integrated machines of operation such as rotary tillage, whole ground, overlay film, sowing, earthing simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model rotary tillage mulch sowing all-in-one assembling stereogram.
Fig. 2 is the utility model rotary tillage mulch sowing all-in-one front view.
Fig. 3 is the rotovator assembling stereogram of the utility model rotary tillage mulch sowing all-in-one.
Fig. 4 is that film-covering mechanism, sower and the casing mechanism of the utility model rotary tillage mulch sowing all-in-one is assembled in the stereogram on framework.
Fig. 5 is that film-covering mechanism, sower and the casing mechanism of the utility model rotary tillage mulch sowing all-in-one is assembled in another visual angle stereogram on framework.
Fig. 6 is the framework stereogram of the utility model rotary tillage mulch sowing all-in-one.
In figure: rotary tillage mulch sowing all-in-one 100, rotovator 1, shell 11, transmission case 12, hang link 13, connection bracket 1, connection bracket 2 132, Cardan shaft 14, rotary tillage rotor 15, level land mechanism 16, crossbeam 17, level connection joint portion 171, vertical connecting portion 172, film-covering mechanism 2, overlay film connecting rod 21, overlay film adjusting rod 22, overlay film crossbearer 23, folder membrane module 24, square tube portion 1, " L " type connecting portion 232, " L " type fixed part 241, taper type roller 242, square tube portion 2 243, adjutage 244, sower 3, cylinder 31, seeder 32, the press mold portion 311 of hollow frustum, central shaft 312, plant chamber door 313, casing mechanism 4, " U " shape fixed part 41, montant 42, dig pot 43, pipe portion 411, framework 5, " U " type frame 51, bearing pin 52, fixing " Z " cabinet frame 53 of sower, axle sleeve 1, projection 512, axle sleeve 2 531, reinforcement 532.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated, in conjunction with Fig. 1 to Fig. 4, a kind of rotary tillage mulch sowing all-in-one 100 comprises rotovator 1, rotovator 1 comprises shell 11, transmission case 12, hang link 13, Cardan shaft 14, rotary tillage rotor 15 is mechanism 16 pacifically, transmission case 12 is assembled in shell 11 tops, hang link 13 and comprise connection bracket 1 and connection bracket 2 132, one end of connection bracket 1 is assembled in transmission case 12 tops, one end of connection bracket 2 132 is assembled in the front end of shell 11, one end of Cardan shaft 14 is assembled in transmission case 12, the other end of Cardan shaft 14 is connected with the power transmission shaft (not shown) of tractor (not shown), rotary tillage rotor 15 is assembled in shell 11 and is connected with transmission case 12 by rotating shaft, level land mechanism 16 is connected with shell 11 by rotating shaft, rotary tillage mulch sowing all-in-one 100 also comprises film-covering mechanism 2, sower 3, casing mechanism 4 and rotovator 1, film-covering mechanism 2, sower 3 and casing mechanism 4 is connected to whole framework 5, rotovator 1 also comprises crossbearer 17, crossbeam 17 is installed on the rear end of rotovator 1 shell 11, these crossbeam 17 rear end faces arrange level connection joint portion 171, the level connection joint portion 171 that crossbeam 17 arranges is " U " type groove, level connection joint portion 171 lower surfaces arrange vertical connecting portion 172, and level connection joint portion 171 all arranges perforate with vertical connecting portion 172.
Consult Fig. 1, Fig. 2, Fig. 4, Fig. 5 and Fig. 6, framework 5 comprises " U " type frame 51, " Z " cabinet frame 53 of bearing pin 52 and fixedly sower, " U " type frame 51 both ends arrange perforate, U " type frame 51 upper surfaces arrange axle sleeve 1, U " type frame 51 lower surfaces arrange projection 512, in projection 512, run through perforate is set, fixedly one end of " Z " cabinet frame 53 of sower arranges axle sleeve 2 531, fixedly " Z " cabinet frame 53 of sower also arranges reinforcement 532, fixedly the other end of " Z " cabinet frame 53 of sower arranges perforate, the level connection joint portion 171 of " U " type frame 51 both ends and rotovator 1 shell 11 is bolted, bearing pin 52 insert axle sleeves 1 and axle sleeve 2 531 by " U " type frame 51 and fixedly " Z " cabinet frame 53 of sower connect as one, U " axle sleeve 1 that arranges of type frame 51 upper surfaces is near U " front end of type frame 51, U " type frame 51 lower surfaces arrange projection 512 near U " rear end of type frame 51.
Consult Fig. 1, Fig. 2, Fig. 4 and Fig. 5, film-covering mechanism 2 comprises overlay film connecting rod 21, overlay film adjusting rod 22, overlay film crossbearer 23 and folder membrane module 24, the two ends of connecting rod 21 and middle all arrange perforate, overlay film crossbearer 23 is formed by the cutting of square tube two ends, overlay film crossbearer 23 comprises square tube portion 1 and " L " type connecting portion 232, the upper surface of square tube portion 1 arranges screw, folder membrane module 24 comprises " L " type fixed part 241 and taper type roller 242, " L " type fixed part 241 comprises square tube portion 2 243 and adjutage 244, adjutage 244 one end arrange perforate, by bolt, taper type roller 242 is assembled on adjutage 244, square tube portion 2 243 inserts in square tube portion 1, then the bolt that rotating group is contained in square tube one 231 screws is assembled into one overlay film crossbearer 23 and folder membrane module 24, connecting rod 21 one end are assembled in U by bolt " on the projection 512 of type frame 51, assemble by bolt one end of " L " type connecting portion 232 of connecting rod 21 other ends and overlay film crossbearer 23, the perforate of connecting rod 21 middles and one end of overlay film adjusting rod 22 are bolted, the vertical connecting portion 172 of the other end of overlay film adjusting rod 22 and rotovator 1 shell 11 is bolted.
Consult Fig. 1, Fig. 2, Fig. 4 and Fig. 5, sower 3 comprises cylinder 31 and seeder 32, cylinder one end arranges the press mold portion 311 of hollow frustum, the center at cylinder 31 two ends arranges central shaft 312, the end face that the press mold portion 311 of hollow frustum is set in cylinder 31 arranges kind of chamber door 313, the central shaft 312 of sower 3 is assembled in the perforate of fixing " Z " cabinet frame 53 of sower, and each sower 3 can free up-down adjustment can be different according to the height of landform time.
Consult Fig. 1, Fig. 2, Fig. 4 and Fig. 5, casing mechanism 4 comprises " U " shape fixed part 41, montant 42 and the pot 43 of digging, " U " shape fixed part 41 arranges perforate, the perforate of " Z " cabinet frame 53 one end of the perforate of bolt-through " U " shape fixed part 41 and fixedly sower is assembled in " U " shape fixed part 41 on framework 5, " U " shape fixed part 41 arranged outside pipe portions 411, pipe portion 411 arranges screw, montant 42 Inserting Tube portions 411, by being assembled in the height of the bolt adjusting montant 42 in pipe portion 411 screws, one end of montant 42 arranges perforate, the Guo43 center of digging arranges perforate, by bolt, the pot 43 of digging is assembled in to one end of montant 42, by adjusting the height of montant 42 and rotating montant 42 and adjust the angle of earthing pot 43 and then adjust earthing amount.
Claims (2)
1. a rotary tillage mulch sowing all-in-one comprises rotovator, rotovator comprises shell, transmission case, hang link, Cardan shaft, rotary tillage rotor is mechanism pacifically, transmission case is assembled in shell top, hang link and comprise connection bracket one and connection bracket two, one end of connection bracket one is assembled in transmission case top, one end of connection bracket two is assembled in the front end of shell, one end of Cardan shaft is assembled in transmission case, the other end is connected with the power transmission shaft of tractor, rotary tillage rotor is assembled in shell and is connected with transmission case by rotating shaft, level land mechanism is connected with shell by rotating shaft, it is characterized in that: rotary tillage mulch sowing all-in-one also comprises film-covering mechanism, sower, casing mechanism and by rotovator, film-covering mechanism, sower and casing mechanism are connected to whole framework, rotovator outer casing back is installed crossbeam, this crossbeam rear end face arranges level connection joint portion, level connection joint subordinate end face arranges vertical connecting portion, level connection joint portion all arranges perforate with vertical connecting portion, framework comprises " U " type frame, " Z " cabinet frame of bearing pin and fixedly sower, " U " type frame both ends arrange perforate, U " type frame upper surface arranges axle sleeve one, U " type frame lower surface arranges projection, in projection, run through perforate is set, fixedly one end of " Z " cabinet frame of sower arranges axle sleeve two, fixedly " Z " cabinet frame of sower also arranges reinforcement, fixedly the other end of " Z " cabinet frame of sower arranges perforate, the level connection joint portion of " U " type frame both ends and rotovator shell is bolted, bearing pin insert axle sleeve one and axle sleeve two by " U " type frame and fixedly " Z " cabinet frame of sower connect as one, film-covering mechanism comprises overlay film connecting rod, overlay film adjusting rod, overlay film crossbearer and folder membrane module, the two ends of connecting rod and middle all arrange perforate, overlay film crossbearer is formed by the cutting of square tube two ends, overlay film crossbearer comprises square tube portion one and " L " type connecting portion, the upper surface of square tube portion one arranges screw, folder membrane module comprises " L " type fixed part and taper type roller, " L " type fixed part comprises square tube portion two and adjutage, adjutage one end arranges perforate, by bolt, taper type roller set is loaded on adjutage, square tube portion two inserts in square tube portion one, then the bolt that rotating group is contained in square tube one screw is assembled into one overlay film crossbearer and folder membrane module, connecting rod one end is assembled in U by bolt " on the projection of type frame, assemble by bolt one end of the connecting rod other end and overlay film crossbearer, one end of the perforate of connecting rod middle and overlay film adjusting rod is bolted, the vertical connecting portion of the other end of overlay film adjusting rod and rotovator shell is bolted, sower comprises cylinder and seeder, cylinder one end arranges the press mold portion of hollow frustum, the center at cylinder two ends arranges central shaft, the central shaft of sower is assembled in the perforate of fixing " Z " cabinet frame of sower, and each sower can free up-down adjustment can be different according to the height of landform time, casing mechanism comprises " U " shape fixed part, montant and the pot of digging, " U " shape fixed part arranges perforate, the perforate of " Z " cabinet frame one end of the perforate of bolt-through " U " shape fixed part and fixedly sower is assembled in " U " shape fixed part on framework, " U " shape fixed part arranged outside pipe portion, pipe portion arranges screw, montant Inserting Tube portion, by being assembled in the height of the bolt adjusting montant in pipe portion screw, one end of montant arranges perforate, pot center of digging arranges perforate, by bolt, the pot of digging is assembled in to an one end for montant.
2. rotary tillage mulch sowing all-in-one as claimed in claim 1, is characterized in that: the level connection joint portion that crossbeam arranges is " U " type groove.
3. rotary tillage mulch sowing all-in-one as claimed in claim 1, is characterized in that: U " axle sleeve one that arranges of type frame upper surface is near U " type frame front end, U " type frame lower surface arranges projection near U " type frame rear end.
4. rotary tillage mulch sowing all-in-one as claimed in claim 1, is characterized in that: the end face that the press mold portion of hollow frustum is set in cylinder arranges kind of a chamber door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320559620.XU CN203492341U (en) | 2013-09-10 | 2013-09-10 | Rotary tilling, mulching and sowing integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320559620.XU CN203492341U (en) | 2013-09-10 | 2013-09-10 | Rotary tilling, mulching and sowing integrated machine |
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| Publication Number | Publication Date |
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| CN203492341U true CN203492341U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320559620.XU Withdrawn - After Issue CN203492341U (en) | 2013-09-10 | 2013-09-10 | Rotary tilling, mulching and sowing integrated machine |
Country Status (1)
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| CN (1) | CN203492341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444289A (en) * | 2013-09-10 | 2013-12-18 | 谢海波 | Rotary-tillage film-mulching and sowing all-in-one machine |
| CN104025957A (en) * | 2014-04-29 | 2014-09-10 | 覃达尧 | Automatic film-mulching and soil-covering machine |
| CN104904352A (en) * | 2015-06-01 | 2015-09-16 | 湖北省烟草公司宜昌市公司 | Integrated machine for planting tobaccos |
-
2013
- 2013-09-10 CN CN201320559620.XU patent/CN203492341U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444289A (en) * | 2013-09-10 | 2013-12-18 | 谢海波 | Rotary-tillage film-mulching and sowing all-in-one machine |
| CN103444289B (en) * | 2013-09-10 | 2016-03-23 | 谢海波 | Rotary tillage mulch sowing all-in-one |
| CN104025957A (en) * | 2014-04-29 | 2014-09-10 | 覃达尧 | Automatic film-mulching and soil-covering machine |
| CN104904352A (en) * | 2015-06-01 | 2015-09-16 | 湖北省烟草公司宜昌市公司 | Integrated machine for planting tobaccos |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160323 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160323 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |