CN209897621U - Fertilizer distributor capable of uniformly fertilizing for farmland planting - Google Patents

Fertilizer distributor capable of uniformly fertilizing for farmland planting Download PDF

Info

Publication number
CN209897621U
CN209897621U CN201920304174.5U CN201920304174U CN209897621U CN 209897621 U CN209897621 U CN 209897621U CN 201920304174 U CN201920304174 U CN 201920304174U CN 209897621 U CN209897621 U CN 209897621U
Authority
CN
China
Prior art keywords
fixedly connected
gear
casing
bottom plate
rotating
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.)
Expired - Fee Related
Application number
CN201920304174.5U
Other languages
Chinese (zh)
Inventor
秦秀芳
程庆华
于庆虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201920304174.5U priority Critical patent/CN209897621U/en
Application granted granted Critical
Publication of CN209897621U publication Critical patent/CN209897621U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a farmland is planted with fertilizer distributor that can evenly fertilize, comprising a base plate, the equal fixedly connected with walking wheel in four corners department of bottom plate bottom, the top fixedly connected with casing of bottom plate, the left side fixedly connected with driving motor at casing top. The utility model discloses a carry the blade, in the same direction as the material pipe, the dwang, the turning block, the rotating tube, the third gear, the rotating electrical machines, rotatory pivot, the fourth gear, spray tube and screen cloth mutually support, after fertilizer is transmitted to in the same direction as the material pipe by carrying the blade, pass through the turning block grinding back again, fall in the rotating tube, the rotating electrical machines drives the rotating tube rotation through third gear and fourth gear, fertilizer falls in the spray tube, then fertilizer is thrown away from the screen cloth by centrifugal force, even scattering is on soil, peasant's intensity of labour has been reduced, the fertilization speed has been increased, fertilization efficiency has been improved, and make the fertilization more even, bring very big facility for the peasant.

Description

Fertilizer distributor capable of uniformly fertilizing for farmland planting
Technical Field
The utility model relates to the technical field of agricultural machinery, specifically a but farmland is planted with fertilizer distributor of uniform fertilization.
Background
Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like. Fertilization refers to an agricultural technical measure of applying a fertilizer into soil or spraying the fertilizer on plants, providing nutrients required by the plants and maintaining and improving the soil fertility. The main purposes of fertilization are to increase crop yield, improve crop quality, fertilize soil and improve economic benefits, so that reasonable and scientific fertilization is one of the main means for guaranteeing grain safety and maintaining sustainable development of agriculture. The main basis for fertilization is soil fertility level, crop type, target yield, climate environment and fertilizer characteristics, so that a suitable fertilizer is selected, the required fertilizer dosage is estimated, and the fertilization time and fertilization mode are determined. In present agricultural production, adopt artifical mode to fertilize the farmland usually, when artifical fertilizeing to the soil, increased peasant's intensity of labour, fertilization speed is also relatively slow, leads to fertilization efficiency to reduce, and it is inhomogeneous to fertilize moreover for fertilization effect is not ideal, brings very big inconvenience for the peasant.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a farmland is planted with fertilizer distributor that can evenly fertilize possesses the effectual advantage of fertilization, has solved the unsatisfactory problem of common artifical fertilization effect.
In order to achieve the above object, the utility model provides a following technical scheme: a fertilizer applicator capable of evenly fertilizing for farmland planting comprises a bottom plate, wherein walking wheels are fixedly connected at four corners of the bottom plate, a shell is fixedly connected to the top of the bottom plate, a driving motor is fixedly connected to the left side of the top of the shell, a driving rotating shaft is fixedly connected to an output shaft of the driving motor, a first gear is fixedly connected to the right end of the driving rotating shaft, a supporting block is fixedly connected to the top of the shell and positioned on the right side of the first gear, a fixed block is fixedly connected to the top of the supporting block, a feeding hole is formed in the top of the inner wall of the shell and positioned on the right side of the supporting block, a feeding hopper matched with the feeding hole is fixedly connected to the top of the shell, a groove is formed in the bottom of the fixed block, a first bearing is fixedly connected to the, the surface of the stirring rotating shaft is fixedly connected with a second gear which is meshed with the first gear, the bottom end of the stirring rotating shaft penetrates through the shell and extends to the interior of the shell, the surface of the stirring rotating shaft positioned in the shell is fixedly connected with a conveying blade, the bottom of the inner wall of the shell is provided with a material sequence pipe, the bottom end of the material sequence pipe penetrates through the shell and the bottom plate from top to bottom in sequence and extends to the exterior of the bottom plate, the bottom end of the stirring rotating shaft is fixedly connected with a rotating rod, the bottom end of the rotating rod penetrates through the shell and the material sequence pipe from top to bottom in sequence and extends to the interior of the material sequence pipe, the surface of the rotating rod is fixedly connected with a rotating block, the bottom of the material sequence pipe is movably connected with a rotating pipe, the surface of the rotating pipe is fixedly connected with a third gear, the bottom of the, the right-hand member fixedly connected with fourth gear of rotatory pivot, third gear and fourth gear intermeshing, the bottom fixedly connected with spray tube of rotating tube, the bottom fixedly connected with screen cloth of spray tube.
Preferably, the left side of the shell is fixedly connected with a handrail, the top of the bottom plate is fixedly connected with a supporting rod, and the top of the supporting rod is fixedly connected with the handrail.
Preferably, the top of shells inner wall offer with the logical groove of stirring pivot looks adaptation, fixedly connected with second bearing on the inner wall that leads to the groove, the bottom of stirring pivot runs through the second bearing from last to down in proper order and leads to the groove and extend to the inside that leads to the groove.
Preferably, the left side and the right side of the inner wall of the shell are fixedly connected with material smoothing plates, and one ends of the material smoothing plates, which are close to the material smoothing pipes, are fixedly connected with the bottom of the inner wall of the shell.
Preferably, the bottom of bottom plate is provided with the protection casing with rotating electrical machines looks adaptation, the right-hand member of rotatory pivot runs through the protection casing and extends to its outside.
Preferably, the bottom of bottom plate corresponds the position fixedly connected with stopper of rotatory pivot, the spacing groove with rotatory pivot looks adaptation is seted up in the left side of stopper, fixedly connected with third bearing on the inner wall of spacing groove, the right-hand member of rotatory pivot runs through third bearing and spacing groove from a left side to the right side in proper order and extends to the inside of spacing groove.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a carry the blade, in the same direction as the material pipe, the dwang, the turning block, the rotating tube, the third gear, the rotating electrical machines, rotatory pivot, the fourth gear, spray tube and screen cloth mutually support, after fertilizer is transmitted to in the same direction as the material pipe by carrying the blade, pass through the turning block grinding back again, fall in the rotating tube, the rotating electrical machines drives the rotating tube rotation through third gear and fourth gear, fertilizer falls in the spray tube, then fertilizer is thrown away from the screen cloth by centrifugal force, even scattering is on soil, peasant's intensity of labour has been reduced, the fertilization speed has been increased, fertilization efficiency has been improved, and make the fertilization more even, bring very big facility for the peasant.
2. The utility model discloses a handrail and bracing piece are mutually supported, the effect of the mobile device of being convenient for has been played, mutually support through leading to groove and second bearing, played and carried out spacing effect to the stirring pivot, keep the gyration precision of stirring pivot, played the effect of the unloading of being convenient for through setting up in the same direction as the flitch, played the effect of protection rotating electrical machines through setting up the protection casing, through the stopper, spacing groove and third bearing mutually support, played the effect that the pairing rotation pivot was supported, prevent because the exogenic action, lead to third gear and fourth gear to break away from.
Drawings
FIG. 1 is a sectional view of the front view of the present invention;
FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;
fig. 3 is a partial enlarged view of B-B in fig. 1 according to the present invention.
In the figure: 1 bottom plate, 2 walking wheels, 3 shells, 4 driving motors, 5 driving rotating shafts, 6 first gears, 7 supporting blocks, 8 fixed blocks, 9 feeding ports, 10 feeding hoppers, 11 grooves, 12 first bearings, 13 stirring rotating shafts, 14 second gears, 15 conveying blades, 16 material conveying pipes, 17 rotating rods, 18 rotating blocks, 19 rotating pipes, 20 third gears, 21 rotating motors, 22 rotating shafts, 23 fourth gears, 24 spraying pipes, 25 screens, 26 handrails, 27 supporting rods, 28 through grooves, 29 second bearings, 30 material conveying plates, 31 protective covers, 32 limiting blocks, 33 limiting grooves and 34 third bearings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a fertilizer applicator capable of evenly applying fertilizer for farmland planting, comprising a bottom plate 1, wherein four corners at the bottom of the bottom plate 1 are fixedly connected with walking wheels 2, the top of the bottom plate 1 is fixedly connected with a shell 3, the left side of the shell 3 is fixedly connected with a handrail 26, the top of the bottom plate 1 is fixedly connected with a supporting rod 27, the top of the supporting rod 27 is fixedly connected with the handrail 26, the handrail 26 and the supporting rod 27 are matched with each other to play a role of a convenient moving device, the left side of the top of the shell 3 is fixedly connected with a driving motor 4, an output shaft of the driving motor 4 is fixedly connected with a driving rotating shaft 5, the right end of the driving rotating shaft 5 is fixedly connected with a first gear 6, the left side and the right side of the inner wall of the shell 3 are fixedly connected with a material guiding plate 30, one end of the material guiding plate 30 close to a material, a supporting block 7 is fixedly connected to the top of the shell 3 and positioned on the right side of the first gear 6, a fixed block 8 is fixedly connected to the top of the supporting block 7, a feeding hole 9 is formed in the top of the inner wall of the shell 3 and positioned on the right side of the supporting block 7, a feeding hopper 10 matched with the feeding hole 9 is fixedly connected to the top of the shell 3, a groove 11 is formed in the bottom of the fixed block 8, a first bearing 12 is fixedly connected to the inner wall of the groove 11, a stirring rotating shaft 13 is movably connected to the bottom of the first bearing 12, a through groove 28 matched with the stirring rotating shaft 13 is formed in the top of the inner wall of the shell 3, a second bearing 29 is fixedly connected to the inner wall of the through groove 28, the bottom end of the stirring rotating shaft 13 sequentially penetrates through the second bearing 29 and the through groove 28 from top to bottom and extends to the, keeping the rotation precision of the stirring rotating shaft 13, the surface of the stirring rotating shaft 13 is fixedly connected with a second gear 14 which is meshed with the first gear 6, the bottom end of the stirring rotating shaft 13 penetrates through the shell 3 and extends to the inside of the shell, the surface of the stirring rotating shaft 13 positioned in the shell 3 is fixedly connected with a conveying blade 15, the bottom of the inner wall of the shell 3 is provided with a material following pipe 16, the bottom end of the material following pipe 16 penetrates through the shell 3 and the bottom plate 1 from top to bottom in sequence and extends to the outside of the bottom plate 1, the bottom end of the stirring rotating shaft 13 is fixedly connected with a rotating rod 17, the bottom end of the rotating rod 17 penetrates through the shell 3 and the material following pipe 16 from top to bottom in sequence and extends to the inside of the material following pipe 16, the surface of the rotating rod 17 is fixedly connected with a rotating block 18, the bottom of the material following pipe 16 is movably connected with a rotating pipe 19, the output shaft of the rotating motor 21 is fixedly connected with a rotating shaft 22, the bottom of the bottom plate 1 is provided with a protective cover 31 matched with the rotating motor 21, the right end of the rotating shaft 22 penetrates through the protective cover 31 and extends to the outside of the protective cover, the protective cover 31 is arranged to protect the rotating motor 21, the right end of the rotating shaft 22 is fixedly connected with a fourth gear 23, a third gear 20 and the fourth gear 23 are mutually meshed, the bottom of the bottom plate 1 is fixedly connected with a limiting block 32 corresponding to the position of the rotating shaft 22, the left side of the limiting block 32 is provided with a limiting groove 33 matched with the rotating shaft 22, the inner wall of the limiting groove 33 is fixedly connected with a third bearing 34, the right end of the rotating shaft 22 sequentially penetrates through the third bearing 34 and the limiting groove 33 from left to right and extends to the inside of the limiting groove 33, the limiting block 32, the limiting groove 33 and the third bearing 34 are mutually matched to play a role of, the separation of the third gear 20 and the fourth gear 23 caused by external force is prevented, the bottom of the rotating pipe 19 is fixedly connected with the spraying pipe 24, the bottom of the spraying pipe 24 is fixedly connected with the screen 25, the fertilizer is transmitted into the material smoothening pipe 16 by the conveying blades 15 through the conveying blades 15, the rotating rod 17, the rotating block 18, the rotating pipe 19, the third gear 20, the rotating motor 21, the rotating shaft 22, the fourth gear 23, the spraying pipe 24 and the screen 25 are matched with each other, the fertilizer falls into the rotating pipe 19 after being ground by the rotating block 18 after being transmitted into the material smoothening pipe 16 by the conveying blades 15, the rotating motor 21 drives the rotating pipe 19 to rotate through the third gear 20 and the fourth gear 23, the fertilizer falls into the spraying pipe 24, the fertilizer is thrown out of the screen 25 by centrifugal force and uniformly falls on soil, the labor intensity of farmers is reduced, the fertilizing speed is increased, the fertilizing efficiency is improved, and the fertilizing is more uniform, brings great convenience to farmers.
When the fertilizer mixer is used, a proper amount of fertilizer is added into the shell 3 through the feed hopper 10 and the feed inlet 9, then the driving motor 4 is started, the driving rotating shaft 5 is driven by the driving motor 4 to rotate, the driving rotating shaft 5 drives the second gear 14 to rotate through the first gear 6, the second gear 14 drives the stirring rotating shaft 13 to rotate, the stirring rotating shaft 13 rotates with the first bearing 12 and the second bearing 29 respectively, meanwhile, the conveying blades 15 are driven by the stirring rotating shaft 13 to rotate, the fertilizer falls into the material conveying pipe 16 through the conveying blades 15, simultaneously, the rotating rod 17 drives the rotating rod 17 to rotate, the rotating block 18 is driven by the rotating rod 17 to rotate, the fertilizer is smashed by the rotating block 18, then the fertilizer falls into the rotating pipe 19, simultaneously, the rotating motor 21 is started, the rotating shaft 22 is driven by the rotating shaft 22 to rotate through the fourth gear 23, the third gear 20 drives the rotating pipe 19 to, the fertilizer falls down the spray pipe 24 and is then thrown out of the screen 25 by centrifugal force, evenly scattered on the soil, while being moved forward by the hand rail 26 and the traveling wheel 2 propelling means to fertilize the farmland.
In summary, the following steps: this fertilizer distributor that can evenly fertilize is planted in farmland has solved the not ideal problem of common artifical fertilization effect through transport blade 15, material pipe 16, dwang 17, turning block 18, rotating tube 19, third gear 20, rotating electrical machines 21, rotatory pivot 22, fourth gear 23, spray tube 24 and screen cloth 25 mutually supporting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a farmland is planted with fertilizer distributor that can evenly fertilize, includes bottom plate (1), its characterized in that: the four corners of the bottom plate (1) are fixedly connected with walking wheels (2), the top of the bottom plate (1) is fixedly connected with a shell (3), the left side of the top of the shell (3) is fixedly connected with a driving motor (4), an output shaft of the driving motor (4) is fixedly connected with a driving rotating shaft (5), the right end of the driving rotating shaft (5) is fixedly connected with a first gear (6), the top of the shell (3) is fixedly connected with a supporting block (7) positioned on the right side of the first gear (6), the top of the supporting block (7) is fixedly connected with a fixed block (8), the top of the inner wall of the shell (3) is provided with a feeding hole (9) positioned on the right side of the supporting block (7), the top of the shell (3) is fixedly connected with a feeding hopper (10) matched with the feeding hole (9), and the bottom of the, fixedly connected with first bearing (12) on the inner wall of recess (11), the bottom swing joint of first bearing (12) has stirring pivot (13), the fixed surface of stirring pivot (13) is connected with second gear (14) with first gear (6) intermeshing, the bottom of stirring pivot (13) runs through casing (3) and extends to its inside, and the fixed surface of stirring pivot (13) that is located casing (3) inside is connected with conveyor blade (15), the bottom of casing (3) inner wall is provided with in the same direction as material pipe (16), the bottom of in the same direction as material pipe (16) runs through casing (3) and bottom plate (1) from last to down in proper order and extends to the outside of bottom plate (1), the bottom fixedly connected with dwang (17) of stirring pivot (13), the bottom of dwang (17) runs through casing (3) and in the same direction as material pipe (16) from last to down in proper order and extends to the inside in the same direction as material pipe (16), the fixed surface of dwang (17) is connected with turning block (18), there are rotating tube (19) in the same direction as the bottom swing joint of material pipe (16), the fixed surface of rotating tube (19) is connected with third gear (20), the bottom of bottom plate (1) just is located left side fixedly connected with rotating electrical machines (21) of third gear (20), the rotatory pivot (22) of fixedly connected with on the output shaft of rotating electrical machines (21), the right-hand member fixedly connected with fourth gear (23) of rotatory pivot (22), third gear (20) and fourth gear (23) intermeshing, the bottom fixedly connected with spray tube (24) of rotating tube (19), the bottom fixedly connected with screen cloth (25) of spray tube (24).
2. The fertilizer distributor capable of uniformly fertilizing for farmland planting according to claim 1, characterized in that: the left side fixedly connected with handrail (26) of casing (3), the top fixedly connected with bracing piece (27) of bottom plate (1), the top and handrail (26) fixed connection of bracing piece (27).
3. The fertilizer distributor capable of uniformly fertilizing for farmland planting according to claim 1, characterized in that: the top of casing (3) inner wall is seted up and is led to groove (28) with stirring pivot (13) looks adaptation, fixedly connected with second bearing (29) on the inner wall that leads to groove (28), the bottom of stirring pivot (13) is from last to running through second bearing (29) and leading to groove (28) and extending to the inside that leads to groove (28) down in proper order.
4. The fertilizer distributor capable of uniformly fertilizing for farmland planting according to claim 1, characterized in that: the equal fixedly connected with in the same direction as flitch (30) in the left and right sides of casing (3) inner wall, in the same direction as flitch (30) and be close to in the same direction as the bottom fixed connection of material pipe (16) and casing (3) inner wall.
5. The fertilizer distributor capable of uniformly fertilizing for farmland planting according to claim 1, characterized in that: the bottom of bottom plate (1) is provided with protection casing (31) with rotating electrical machines (21) looks adaptation, the right-hand member of rotatory pivot (22) runs through protection casing (31) and extends to its outside.
6. The fertilizer distributor capable of uniformly fertilizing for farmland planting according to claim 1, characterized in that: the bottom of bottom plate (1) corresponds position fixedly connected with stopper (32) of rotatory pivot (22), spacing groove (33) with rotatory pivot (22) looks adaptation is seted up in the left side of stopper (32), fixedly connected with third bearing (34) on the inner wall of spacing groove (33), the right-hand member of rotatory pivot (22) runs through third bearing (34) and spacing groove (33) and extends to the inside of spacing groove (33) from a left side to the right side in proper order.
CN201920304174.5U 2019-03-11 2019-03-11 Fertilizer distributor capable of uniformly fertilizing for farmland planting Expired - Fee Related CN209897621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920304174.5U CN209897621U (en) 2019-03-11 2019-03-11 Fertilizer distributor capable of uniformly fertilizing for farmland planting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920304174.5U CN209897621U (en) 2019-03-11 2019-03-11 Fertilizer distributor capable of uniformly fertilizing for farmland planting

Publications (1)

Publication Number Publication Date
CN209897621U true CN209897621U (en) 2020-01-07

Family

ID=69031941

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920304174.5U Expired - Fee Related CN209897621U (en) 2019-03-11 2019-03-11 Fertilizer distributor capable of uniformly fertilizing for farmland planting

Country Status (1)

Country Link
CN (1) CN209897621U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111802041A (en) * 2020-07-17 2020-10-23 咸宁职业技术学院 Novel agricultural machine fertilizies device
CN113056995A (en) * 2021-02-22 2021-07-02 中国农业科学院兰州畜牧与兽药研究所 Can reduce artificial fatigue's oat and plant and use fertilizer injection unit
CN113950906A (en) * 2021-12-21 2022-01-21 山西农业大学 Self-propelled seeding and fertilizing integrated device for Chinese cabbages and planting method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111802041A (en) * 2020-07-17 2020-10-23 咸宁职业技术学院 Novel agricultural machine fertilizies device
CN113056995A (en) * 2021-02-22 2021-07-02 中国农业科学院兰州畜牧与兽药研究所 Can reduce artificial fatigue's oat and plant and use fertilizer injection unit
CN113950906A (en) * 2021-12-21 2022-01-21 山西农业大学 Self-propelled seeding and fertilizing integrated device for Chinese cabbages and planting method

Similar Documents

Publication Publication Date Title
CN209897621U (en) Fertilizer distributor capable of uniformly fertilizing for farmland planting
CN205584728U (en) Device is used simultaneously to organic compound fertilizer
CN208624101U (en) A kind of uniform agricultural fertilizer device of discharging
CN106688388A (en) Agricultural seeding machine
CN213548313U (en) Agricultural fertilizing and seeding device
CN105960907A (en) Machine integrating sowing and irrigation
CN107624317B (en) Organic fertilizer mixes stirring fertilizer injection unit
CN210298535U (en) Agricultural fertilizer injection unit
CN210247522U (en) Organic fertilizer application is with spilling material device
CN108566805B (en) Efficient anti-blocking granular fertilizer scattering device
CN210444864U (en) Deep soil fertilizer injection unit
CN204616348U (en) A kind of tumbrel
CN116762505A (en) Grape planting deep scarification fertilizer distributor utilizing biomass energy
CN105723842A (en) Device and method for simultaneous application of two fertilizers
CN214852798U (en) Leisure agriculture picks garden facility fertilizer injection unit that grows seedlings
CN213073554U (en) Agricultural seed mixes medicine device
CN213426906U (en) Multipurpose agricultural machinery equipment
CN213280588U (en) Multifunctional integrated seeder
CN113661823A (en) A high-efficient fruit tree fertilizer distributor for fruit tree is planted
CN211267673U (en) Mechanical device for agricultural planting and fertilizing
CN107347334B (en) A kind of anticlogging agricultural fertilizer apparatus
CN215683190U (en) Multifunctional farming machine
CN218784096U (en) Rice fertilizer injection unit
CN205030064U (en) It spouts medicine double entry workover rig to spill fertile rotary tillage seeding
CN105766177B (en) A kind of self-propelled multifunctional fertilizer applicator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200107

Termination date: 20210311

CF01 Termination of patent right due to non-payment of annual fee