CN204498665U - The seedling case apparatus of duplicate rows vegetable transplanting machine - Google Patents
The seedling case apparatus of duplicate rows vegetable transplanting machine Download PDFInfo
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- CN204498665U CN204498665U CN201520028944.XU CN201520028944U CN204498665U CN 204498665 U CN204498665 U CN 204498665U CN 201520028944 U CN201520028944 U CN 201520028944U CN 204498665 U CN204498665 U CN 204498665U
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Abstract
The utility model discloses a kind of seedling case apparatus of duplicate rows vegetable transplanting machine.Accelerate research duplicate rows vegetable transplanting machine pot seedling conveying plant very urgent.The utility model comprises housing assembly, horizontal box assembly, seedling box assembly and the longitudinal direction of moving send seedling assembly; The sliding sleeve laterally moving box assembly is enclosed within double-screw shaft; Guide pad embeds in sliding sleeve and is slidably connected with double-screw shaft; Connecting axle is connected by connecting plate with sliding sleeve; Two seedling box assemblies are fixed on connecting axle two ends; Two seedling box assemblies send seedling assembly to be connected with a longitudinal direction respectively; Longitudinally send the fork axle of seedling assembly, drive sprocket axle and driven chain wheel shaft all with the first main support plate and the second main support plate hinged, and drive sprocket axle stretches out the first main support plate is connected with door handle device outward; Drive sprocket axle is connected by drive sprocket, chain and driven sprocket with driven chain wheel shaft; Chain is connected by a chain hinge pin every five pitch chain joints.The utility model can supply the requirement that two cover seedling picking mechanisms get seedling simultaneously, and transplanting efficiency is high.
Description
Technical field
The utility model belongs to agricultural mechanical field, relates to vegetable transplanting machine, is specifically related to the seedling case apparatus of duplicate rows vegetable transplanting machine.
Background technology
Transplantation technique is as a kind of culture technique, and tool has many advantages compared with live, can make Crop growing stage in advance, improve seedling percent, meanwhile, effectively improves the quality of per unit area yield and crop.Vegetable transplanting is mainly divided into artificial to transplant and machinery is transplanted, and artificial cost of transplanting is high, and the cycle is long, and efficiency is low, labour intensity greatly, progressively replace by transplanting machine.At present, China's vegetable transplanting machineryization level is in the semi-automatic transplanting stage, and transplanting speed limits by artificial speed of feeding seedling, and efficiency is not high.Transplantation technique develops the area mainly state such as America and Europe and Japan comparatively early in the world, and their nowadays automation transplanting degree is higher, but the automated machine of America and Europe is bulky; complex structure; expensive, do not meet the agriculture requirement that China's machinery is transplanted, the automatic transplanter tool small volume of Japan; compact conformation; transplanting efficiency is relatively high, also compare the agronomy demand meeting China, but it is high also to there is price; complex structure and other problems, and carried out property right protection.Along with country to agricultural vigorously support and the people to the demand of vegetables, growing vegetables industry will fast development, but single file vegetable transplanting engine efficiency has much room for improvement, and duplicate rows vegetable transplanting machine needs set of device to carry pot seedling to it, and China's research is in this respect blank out.Therefore, a kind of duplicate rows vegetable transplanting machine pot seedling conveying plant simple to operate, that low price, structure are reliable and efficiency is high is developed very urgent.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of seedling case apparatus of duplicate rows vegetable transplanting machine, and supply the requirement that two cover seedling picking mechanisms get seedling, compact conformation, good reliability, realize two row and transplant simultaneously, efficiency significantly improves simultaneously.
The utility model comprises housing assembly, horizontal box assembly, seedling box assembly and the longitudinal direction of moving send seedling assembly.
Described housing assembly comprises base plate, side plate, fromer rail and rear rail; Two blocks of side plates are fixed on base plate two ends, and with vertical placement; The two ends of described fromer rail and rear rail and two blocks of side plates are fixed.
Described transverse direction is moved box assembly and is comprised minor sprocket, bearing block, cam, double-screw shaft, sliding sleeve, guide pad, sliding sleeve briquetting, connecting plate and connecting axle; Two bearing block symmetries are fixed on base plate two ends, and the two supports of double-screw shaft is on two bearing blocks; Two cams are arranged on the two ends of double-screw shaft, and two cams are all connected by key with double-screw shaft with minor sprocket; Described sliding sleeve is nested with on double-screw shaft; Guide pad is integrally provided in the pilot hole at sliding sleeve top, and the spill block bottom guide pad embeds in the helicla flute of double-screw shaft; Described sliding sleeve briquetting covers guide pad, and is fixed on sliding sleeve top; Bottom and the sliding sleeve of connecting plate are connected by screw, and top and connecting axle are fixed.
Described seedling box assembly comprises the first main support plate, the second main support plate, step, front seedling plate support chip, front seedling plate, top chock, seedling dish gripper shoe, rear seedling plate support chip, rear seedling plate, linear bearing, bolster and rear rail bearing; Two seedling box assemblies are disposed side by side on connecting axle two ends, and the second main support plate of two seedling box assemblies is bolted; The bottom of described first main support plate is nested with in the connecting axle end laterally moving box assembly, and the bottom of the second main support plate is nested with in the middle part of connecting axle, and nut screwing clamping is all passed through in the both sides of the first main support plate and the second main support plate; The first described main support plate and the second main support plate are all fixed with front seedling plate support chip, rear seedling plate support chip, top chock, step, linear bearing and bolster, before the both sides of front seedling plate and two panels, seedling plate support chip is fixed, and after the both sides of rear seedling plate and two panels, seedling plate support chip is fixed; Afterbody and the rear seedling plate of described seedling dish gripper shoe are fixed, and head is freely arranged; The inner ring of two rear rail bearings is fixed with a bolster respectively, and outer ring is all connected by sliding pair with the guide groove of rear rail; Two linear bearings are all connected by sliding pair with the fromer rail of housing assembly.
Two seedling box assemblies send seedling assembly to be connected with a longitudinal direction respectively; Described longitudinal direction send seedling assembly to comprise fork, fork axle, linkage board, drive sprocket axle, ratchet, door handle device, drive sprocket, driven chain wheel shaft, driven sprocket and chain; Afterbody and the first main support plate of described ratchet are hinged; The two ends of fork axle respectively with the first main support plate and the second main support plate hinged, and one end is stretched out the first main support plate one end that is outer and linkage board and is fixed; The two supports of drive sprocket axle is on two steps of seedling box assembly, and one end is stretched out outside the first main support plate and is connected with door handle device; The two supports of driven chain wheel shaft is on two top chocks; Two drive sprockets are connected by key with the two ends of drive sprocket axle, and two driven sprockets are connected by key with the two ends of driven chain wheel shaft; Described drive sprocket is connected by chain with driven sprocket, and the chain of both sides is connected by a chain hinge pin every five pitch chain joints; Two pieces of forks are all fixed on fork axle, and are connected by cam pair with horizontal cam corresponding to box assembly that move respectively.
Described door handle device comprises handle, handle pin cylinder, ratchet, needle roller overcoat, needle bearing, release handle, ratchet bearing pin and spring; The handle portion of handle is freely arranged, and the other end of head and linkage board is hinged; Handle pin cylinder is hinged on handle; Described ratchet empty set is on drive sprocket axle; The number of teeth of ratchet equals the cave mouth line number of pot seedling disk; The inwall of needle roller overcoat is by needle roller bearing support on the wheel hub of ratchet, and outer wall is fixed in the middle part of handle; The head of ratchet embeds in the race of ratchet; Described release handle is nested with on the square shaft part of drive sprocket axle, and with ratchet by ratchet pinned connection; One end of described spring is connected with the first main support plate, and the other end is connected with the head of handle.
The first described main support plate is connected by reinforced shaft with the second main support plate.
Described longitudinal direction send seedling assembly also to comprise pot seedling disk; Described pot seedling disk is placed on the chain hinge pin at top, and is supported by front seedling plate, rear seedling plate and seedling dish gripper shoe.
The beneficial effect that the utility model has is:
Transverse direction of the present utility model is moved box assembly and is driven seedling box assembly to move left and right in frame, longitudinally send seedling Component driver drive sprocket to drive pot seedling disk longitudinally to move down, realizes duplicate rows and send seedling.This apparatus structure is compact, low cost of manufacture, and efficiency significantly improves.
Accompanying drawing explanation
Fig. 1 is overall structure stereogram of the present utility model;
Fig. 2 is the stereogram of the utility model mid frame assembly;
Fig. 3 is the assembling stereogram laterally moving box assembly and seedling box assembly in the utility model;
Fig. 4 is the assembling stereogram of double-screw shaft, sliding sleeve and guide pad in the utility model;
Fig. 5 is the stereogram of seedling box assembly in the utility model;
Fig. 6 is the stereogram longitudinally sending seedling assembly in the utility model;
Fig. 7 is the schematic side view longitudinally sending seedling assembly in the utility model;
Fig. 8 is the chain assembling schematic diagram longitudinally sending seedling assembly both sides in the utility model;
Fig. 9 is the partial sectional view of door handle device in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the seedling case apparatus of duplicate rows vegetable transplanting machine, comprises housing assembly 1, horizontal box assembly 2, seedling box assembly 3 and the longitudinal direction of moving send seedling assembly 4.
As shown in Figure 2, housing assembly 1 comprises base plate 5, side plate 6, fromer rail 7 and rear rail 8; Two blocks of side plates 6 are fixed on base plate 5 two ends, and with vertical placement; The two ends of fromer rail 7 and rear rail 8 and two blocks of side plates 6 are fixed.
As shown in Fig. 1,3 and 4, laterally moving box assembly 2 comprises minor sprocket 9, bearing block 10, cam 11, double-screw shaft 12, sliding sleeve 13, guide pad 14, sliding sleeve briquetting 15, connecting plate 16 and connecting axle 17; Two bearing block 10 symmetries are fixed on base plate 5 two ends, and the two supports of double-screw shaft 12 is on two bearing blocks 10; Two cams 11 are arranged on the two ends of double-screw shaft 12, and two cams 11 are all connected by key with double-screw shaft 12 with minor sprocket 9; Sliding sleeve 13 is nested with on double-screw shaft 12; Guide pad 14 is integrally provided in the pilot hole 13-1 at sliding sleeve 13 top, and the spill block 14-1 bottom guide pad embeds in the helicla flute of double-screw shaft 12; Sliding sleeve briquetting 15 covers guide pad 14, and is fixed on sliding sleeve 13 top; Bottom and the sliding sleeve 13 of connecting plate 16 are connected by screw, and top and connecting axle 17 are fixed.
As shown in Fig. 2,3 and 5, seedling box assembly 3 comprises the first main support plate 18-1, the second main support plate 18-2, reinforced shaft 19, step 20, front seedling plate support chip 21, front seedling plate 22, top chock 23, seedling dish gripper shoe 24, rear seedling plate support chip 25, rear seedling plate 26, linear bearing 27, bolster 28 and rear rail bearing 29; Two seedling box assemblies 3 are disposed side by side on connecting axle 17 two ends, and the second main support plate 18-2 of two seedling box assemblies 3 is bolted; The bottom of the first main support plate 18-1 is nested with in connecting axle 17 end laterally moving box assembly, and the bottom of the second main support plate 18-2 is nested with in the middle part of connecting axle 17, and nut screwing clamping is all passed through in the both sides of the first main support plate 18-1 and the second main support plate 18-2; First main support plate 18-1 is connected by reinforced shaft 19 with the second main support plate 18-2; First main support plate 18-1 and the second main support plate 18-2 is all fixed with front seedling plate support chip 21, rear seedling plate support chip 25, top chock 23, step 20, linear bearing 27 and bolster 28, before the both sides of front seedling plate 22 and two panels, seedling plate support chip 21 is fixed, and after the both sides of rear seedling plate 26 and two panels, seedling plate support chip 25 is fixing; Afterbody and the rear seedling plate 26 of seedling dish gripper shoe 24 are fixed, and head is freely arranged; The inner ring of two rear rail bearings 29 is fixed with a bolster 28 respectively, and outer ring is all connected by sliding pair with the guide groove 8-1 of rear rail; Two linear bearings 27 are all connected by sliding pair with the fromer rail 7 of housing assembly.
As shown in Fig. 6,7 and 8, two seedling box assemblies 3 send seedling assembly 4 to be connected with a longitudinal direction respectively; Longitudinally seedling assembly 4 is sent to comprise fork 30, fork axle 31, linkage board 32, drive sprocket axle 33, ratchet 34, door handle device 35, drive sprocket 36, driven chain wheel shaft 37, driven sprocket 38, pot seedling disk 39 and chain 40; Afterbody and the first main support plate 18-1 of ratchet 34 are hinged; The two ends of fork axle 31 are hinged with the first main support plate 18-1 and the second main support plate 18-2 respectively, and one end is stretched out outside the first main support plate 18-1 and one end of linkage board 32 is fixed; The two supports of drive sprocket axle 33 is on two steps 20 of seedling box assembly, and one end is stretched out outside the first main support plate 18-1 and is connected with door handle device 35; The two supports of driven chain wheel shaft 37 is on two top chocks 23; Two drive sprockets 36 are connected by key with the two ends of drive sprocket axle 33, and two driven sprockets 38 are connected by key with the two ends of driven chain wheel shaft 37; Drive sprocket 36 is connected by chain 40 with driven sprocket 38, and the chain 40 of both sides is connected by a chain hinge pin 40-1 every five pitch chain joints; Pot seedling disk 39 is placed on the chain hinge pin 40-1 at top, and is supported by front seedling plate 22, rear seedling plate 26 and seedling dish gripper shoe 24; Two pieces of forks 30 are all fixed on fork axle 31 by holding screw, and are connected by cam pair with horizontal cam corresponding to box assembly 11 that move respectively.
As shown in figures 7 and 9, door handle device 35 comprises handle 41, handle pin cylinder 42, ratchet 43, needle roller overcoat 44, needle bearing 45, release handle 46, ratchet bearing pin 47 and spring 48; The handle portion of handle 41 is freely arranged, and the other end of head and linkage board 32 is hinged; Handle pin cylinder 42 is hinged on handle 41; Ratchet 43 empty set is on drive sprocket axle 33; The number of teeth of ratchet 43 equals the cave mouth line number of pot seedling disk 39; The inwall of needle roller overcoat 44 is bearing in by needle bearing 45 on the wheel hub of ratchet 43, and outer wall is fixed in the middle part of handle 41; The head of ratchet 34 embeds in the race of ratchet 43; Release handle 46 is nested with on the square shaft part of drive sprocket axle 33, and is connected by ratchet bearing pin 47 with ratchet 43; One end of spring 48 is connected with the first main support plate 18-1, and the other end is connected with the head of handle 41.
The seedling case apparatus of this duplicate rows vegetable transplanting machine, operation principle:
When power drive minor sprocket 9 rotates, double-screw shaft 12 rotates and the guide pad 14 be stuck in helicla flute is moved by hand of spiral, thus by transmission of power to connecting axle 17, the transverse shifting that connecting axle 17 drives the first main support plate 18-1 and the second main support plate 18-2, the first main support plate 18-1 and the second main support plate 18-2 to be realized on fromer rail 7 and guide groove 8-1 by linear bearing 27 and rear rail bearing 29; When power interruption, minor sprocket 9 stops operating, and transverse shifting suspends, the seedling in the mouth of now seedling picking mechanism gripping pot seedling disk 39 cave, and get after seedling completes, transverse shifting starts, so repeatedly until take a line seedling of pot seedling disk 39 li; When the first main support plate 18-1 and the second main support plate 18-2 moves to fork 30 and cam 11 collides, fork 30 rotates around fork axle 31, with the linkage board 32 pressure handle hand 41 downwards that fork axle 31 is fixing, handle pin cylinder 42 is by ratchet 34 jack-up, fork 30 is separated with cam 11 under the first main support plate 18-1 drives with the second main support plate 18-2 subsequently, handle 41 resets under the pulling force of spring 48, now needle bearing 45 acts on, ratchet 43 is driven to rotate, make release handle 46 drive drive sprocket axle 33 to rotate, chain hinge pin 40-1 stirs pot seedling disk 39 and moves down; When ratchet 43 turns over a tooth, ratchet 34 embeds in the race of ratchet 43 again, pot seedling disk 39 just in time line down, and line feed terminates, and then continues laterally to move case, so repeatedly until seedling picking mechanism takes the seedling of pot seedling disk 39 li to another direction.Wherein, if the seedling of pot seedling disk 39 li is got by leakage, and transplant do already at the end of, release handle 46 and ratchet 43 are thrown off, rotation release handle 46 drive drive sprocket axle 33 to turn round, pot seedling disk 39 can be withdrawn, realizes resource reutilization.
Claims (3)
1. the seedling case apparatus of duplicate rows vegetable transplanting machine, comprises housing assembly, horizontal box assembly, seedling box assembly and the longitudinal direction of moving send seedling assembly, it is characterized in that: described housing assembly comprises base plate, side plate, fromer rail and rear rail; Two blocks of side plates are fixed on base plate two ends, and with vertical placement; The two ends of described fromer rail and rear rail and two blocks of side plates are fixed;
Described transverse direction is moved box assembly and is comprised minor sprocket, bearing block, cam, double-screw shaft, sliding sleeve, guide pad, sliding sleeve briquetting, connecting plate and connecting axle; Two bearing block symmetries are fixed on base plate two ends, and the two supports of double-screw shaft is on two bearing blocks; Two cams are arranged on the two ends of double-screw shaft, and two cams are all connected by key with double-screw shaft with minor sprocket; Described sliding sleeve is nested with on double-screw shaft; Guide pad is integrally provided in the pilot hole at sliding sleeve top, and the spill block bottom guide pad embeds in the helicla flute of double-screw shaft; Described sliding sleeve briquetting covers guide pad, and is fixed on sliding sleeve top; Bottom and the sliding sleeve of connecting plate are connected by screw, and top and connecting axle are fixed;
Described seedling box assembly comprises the first main support plate, the second main support plate, step, front seedling plate support chip, front seedling plate, top chock, seedling dish gripper shoe, rear seedling plate support chip, rear seedling plate, linear bearing, bolster and rear rail bearing; Two seedling box assemblies are disposed side by side on connecting axle two ends, and the second main support plate of two seedling box assemblies is bolted; The bottom of described first main support plate is nested with in the connecting axle end laterally moving box assembly, and the bottom of the second main support plate is nested with in the middle part of connecting axle, and nut screwing clamping is all passed through in the both sides of the first main support plate and the second main support plate; The first described main support plate and the second main support plate are all fixed with front seedling plate support chip, rear seedling plate support chip, top chock, step, linear bearing and bolster, before the both sides of front seedling plate and two panels, seedling plate support chip is fixed, and after the both sides of rear seedling plate and two panels, seedling plate support chip is fixed; Afterbody and the rear seedling plate of described seedling dish gripper shoe are fixed, and head is freely arranged; The inner ring of two rear rail bearings is fixed with a bolster respectively, and outer ring is all connected by sliding pair with the guide groove of rear rail; Two linear bearings are all connected by sliding pair with the fromer rail of housing assembly;
Two seedling box assemblies send seedling assembly to be connected with a longitudinal direction respectively; Described longitudinal direction send seedling assembly to comprise fork, fork axle, linkage board, drive sprocket axle, ratchet, door handle device, drive sprocket, driven chain wheel shaft, driven sprocket and chain; Afterbody and the first main support plate of described ratchet are hinged; The two ends of fork axle respectively with the first main support plate and the second main support plate hinged, and one end is stretched out the first main support plate one end that is outer and linkage board and is fixed; The two supports of drive sprocket axle is on two steps of seedling box assembly, and one end is stretched out outside the first main support plate and is connected with door handle device; The two supports of driven chain wheel shaft is on two top chocks; Two drive sprockets are connected by key with the two ends of drive sprocket axle, and two driven sprockets are connected by key with the two ends of driven chain wheel shaft; Described drive sprocket is connected by chain with driven sprocket, and the chain of both sides is connected by a chain hinge pin every five pitch chain joints; Two pieces of forks are all fixed on fork axle, and are connected by cam pair with horizontal cam corresponding to box assembly that move respectively;
Described door handle device comprises handle, handle pin cylinder, ratchet, needle roller overcoat, needle bearing, release handle, ratchet bearing pin and spring; The handle portion of handle is freely arranged, and the other end of head and linkage board is hinged; Handle pin cylinder is hinged on handle; Described ratchet empty set is on drive sprocket axle; The number of teeth of ratchet equals the cave mouth line number of pot seedling disk; The inwall of needle roller overcoat is by needle roller bearing support on the wheel hub of ratchet, and outer wall is fixed in the middle part of handle; The head of ratchet embeds in the race of ratchet; Described release handle is nested with on the square shaft part of drive sprocket axle, and with ratchet by ratchet pinned connection; One end of described spring is connected with the first main support plate, and the other end is connected with the head of handle.
2. the seedling case apparatus of duplicate rows vegetable transplanting machine according to claim 1, is characterized in that: the first described main support plate is connected by reinforced shaft with the second main support plate.
3. the seedling case apparatus of duplicate rows vegetable transplanting machine according to claim 1, is characterized in that: described longitudinal direction send seedling assembly also to comprise pot seedling disk; Described pot seedling disk is placed on the chain hinge pin at top, and is supported by front seedling plate, rear seedling plate and seedling dish gripper shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028944.XU CN204498665U (en) | 2015-01-15 | 2015-01-15 | The seedling case apparatus of duplicate rows vegetable transplanting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028944.XU CN204498665U (en) | 2015-01-15 | 2015-01-15 | The seedling case apparatus of duplicate rows vegetable transplanting machine |
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| CN204498665U true CN204498665U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520028944.XU Expired - Fee Related CN204498665U (en) | 2015-01-15 | 2015-01-15 | The seedling case apparatus of duplicate rows vegetable transplanting machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489388A (en) * | 2016-11-07 | 2017-03-15 | 浙江理工大学 | A kind of rice seedling transplanter based on ejection folder alms bowl formula |
| CN109813562A (en) * | 2019-01-30 | 2019-05-28 | 浙江理工大学 | Two row vegetable transplanting machine testing stands of one kind and its working method |
| CN110447360A (en) * | 2019-07-23 | 2019-11-15 | 浙江理工大学 | Eight row vegetables automatic transplanters |
| CN111226551A (en) * | 2019-04-22 | 2020-06-05 | 浙江理工大学 | Seedling box of rice pot seedling transplanter and working method thereof |
| CN111886985A (en) * | 2020-08-14 | 2020-11-06 | 临沂市农业科学院 | Extra-large-ridge double-row three-plant close planting cultivation device and method thereof |
| CN113028024A (en) * | 2019-12-24 | 2021-06-25 | 熊学智 | Novel energy-saving transmission |
-
2015
- 2015-01-15 CN CN201520028944.XU patent/CN204498665U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489388A (en) * | 2016-11-07 | 2017-03-15 | 浙江理工大学 | A kind of rice seedling transplanter based on ejection folder alms bowl formula |
| CN109813562A (en) * | 2019-01-30 | 2019-05-28 | 浙江理工大学 | Two row vegetable transplanting machine testing stands of one kind and its working method |
| CN111226551A (en) * | 2019-04-22 | 2020-06-05 | 浙江理工大学 | Seedling box of rice pot seedling transplanter and working method thereof |
| CN111226551B (en) * | 2019-04-22 | 2020-12-11 | 浙江理工大学 | Seedling box of rice pot seedling transplanter and working method thereof |
| CN110447360A (en) * | 2019-07-23 | 2019-11-15 | 浙江理工大学 | Eight row vegetables automatic transplanters |
| CN110447360B (en) * | 2019-07-23 | 2024-04-16 | 浙江理工大学 | Eight-row automatic vegetable transplanting machine |
| CN113028024A (en) * | 2019-12-24 | 2021-06-25 | 熊学智 | Novel energy-saving transmission |
| CN113028024B (en) * | 2019-12-24 | 2024-03-26 | 熊学智 | Novel energy-saving speed changer |
| CN111886985A (en) * | 2020-08-14 | 2020-11-06 | 临沂市农业科学院 | Extra-large-ridge double-row three-plant close planting cultivation device and method thereof |
| CN111886985B (en) * | 2020-08-14 | 2022-07-29 | 临沂市农业科学院 | Extra-large-ridge double-row three-plant close planting cultivation device and method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160115 |
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| EXPY | Termination of patent right or utility model |