CN201163881Y - Self-walking, intermittent working type device for transplantation and injection needle irrigation - Google Patents
Self-walking, intermittent working type device for transplantation and injection needle irrigation Download PDFInfo
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- CN201163881Y CN201163881Y CNU2008200796514U CN200820079651U CN201163881Y CN 201163881 Y CN201163881 Y CN 201163881Y CN U2008200796514 U CNU2008200796514 U CN U2008200796514U CN 200820079651 U CN200820079651 U CN 200820079651U CN 201163881 Y CN201163881 Y CN 201163881Y
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Abstract
A self-moving discontinuous operation type transplanting injection needle irrigation device belongs to the technical field of the agricultural machinery. The device is composed of a main machine, a transplanting accessory and an injection needle irrigation accessory, wherein, the main machine comprises an independent walking mechanism, a manual power mechanism and an inflation water tank mechanism; the transplanting accessory comprises a hole pressing mechanism and a pot saddling feeding mechanism. The device works discontinuously, and two side faces of the device are working faces. The independent waling mechanism is only in charge of walking and bearing; the manual power mechanism provides the power for working; the inflation water tank mechanism provides the pressure water sources; the hole pressing mechanism completes the work of hole pressing; the pot seedling feeding mechanism completes the holing of the pot seedlings; the injection needle irrigation mechanism completes the work of daily irrigation and fertilizing of the crop roots. The device integrates the pot seedling transplanter and injection needle irrigation machine into a whole, and has the advantages of simple structure, easy operation, low labor intensity, high working efficiency, enormous reduction of evaporation amount and loss amount, obvious water saving effect and excellent fertilizer effect.
Description
Technical field
The invention belongs to agricultural machinery technological field, particularly provide a kind of from walk, intermittent working type transplantation, injection needle filling device, be applicable to nonirrigated farmland potted-seedling transplanting, water-saving irrigation, also can use this mechanical sand control.
Background technology
The potted-seedling transplanting technology is to guarantee that seedling is neat, seedling strong and the effective technology of raising crop yield.Potted-seedling transplanting has artificial transplanting and machinery to transplant dual mode, transplants manually that speed is slow, labour intensity is high, efficient is low; The machinery transplanting can overcome the shortcoming of artificial transplanting, but existing transplanter all attempts to finish to work continuously, so complex structure, cost height, poor practicability.Water-saving irrigation technique is the effective technology of arid area agricultural irrigation.Water-saving irrigation technique comprises sprinkling irrigation, microspray irrigation, drip irrigation, infiltrating irrigation, sub-irrigation etc., and these water-saving irrigation methods can both reach the effect of water saving, but all exists the shortcoming that the equipment and material investment is big, quantities is big, cost is high or labour intensity is high.Using the water-saving irrigation technique planting trees and grass is the main method that brings desertification on.Investment is big, the cycle is long, it is slow to take effect, short-term does not have output or the little shortcoming of output but exist, and has a strong impact on the enthusiasm of sand control.
Summary of the invention
The object of the present invention is to provide a kind of from walk, intermittent working type transplantation, injection needle filling device, this device is a kind of simple in structure, nonirrigated farmland potted-seedling transplanting machinery that efficient is high, this device can be used as independent entry needle filling machine use again simultaneously, efficiently to finish agricultural operation such as nonirrigated farmland potted-seedling transplanting, irrigation, fertilising.Reach the effect that reduces operating cost, reduces labour intensity, saves irrigation water, raises the efficiency, improves crop yield and bring desertification on.
The present invention finishes by following technical solution:
1, the present invention includes: main frame, transplanting annex, entry needle are irritated annex.Main frame comprises: independent running mechanism, manual power mechanism, aerated water punch-out equipment structure, and manual power mechanism is connected with independent running mechanism by the support 7 that is fixed on the base plate 6; Aerated water punch-out equipment structure is fixed on the base plate 6 of independent running mechanism.The transplanting annex comprises: press cave mechanism, bowl seedlings feeding mechanism, with bolt hole 12 on the power transmission frame 10 pressure cave mechanism is connected by pressing the bolt hole 22 on the cave frame 21 with the manual power mechanism of main frame with bolt; Bowl seedlings feeding mechanism is installed on the support 27, and support 27 is fixed on the base plate 6 of independent running mechanism of main frame.It promptly is that entry needle is irritated mechanism that entry needle is irritated annex, and the bolt hole 43 of irritating on the frame 41 by pin makes entry needle filling mechanism be connected with the manual power mechanism of main frame with bolt with bolt hole 12 on the power transmission frame 10.It is characterized in that this machine is an intermittently used, its two sides are the scope of operation; Independent running mechanism only is responsible for walking, load-carrying task; Manual power mechanism provides the power of operation; Aerated water punch-out equipment structure provides pressure water source; Press cave mechanism to finish and press the cave operation; Bowl seedlings feeding mechanism is finished pot seedling and is gone into the cave; Entry needle is irritated daily irrigation and the fertilising operation that mechanism finishes crop root part.
2, main frame, transplanting annex are formed pot seedling transplanter, comprising: independent running mechanism, manual power mechanism, aerated water punch-out equipment structure, pressure cave mechanism, bowl seedlings feeding mechanism.Its operation principle is: start independent running mechanism and stop to the operation position, manpower is to the depression bar 9 that presses down manual power mechanism, and power is by gear frame 10 and press cave frame 21 to be delivered to point pressing head 20, extrudes the pyramid type cave; Inflator formula aerator 18 is to water tank 14 inflations simultaneously; The while front apron 35 of bowl seedlings feeding mechanism stretches out, backboard 36 withdrawals, and pot seedling slips into hello seedling position and blocked by front apron 35.Manpower upwards lifts depression bar 9, point pressing head 20 returns; While inflator formula aerator 18 returns; Front apron 35 withdrawals simultaneously, backboard 36 stretch out, and enter the pot seedling of feeding the seedling position and slip into and lead seedling pipe 30 and go into the cave, and the backboard 36 that stretches out blocks next pot seedling and enters and feed the seedling position.Pulling elastic press type valve 16, Open valve, the water in the water tank 14 extrudes under gas pressure, finishes to transplant by flexible pipe 31 and waters; Unclamp elastic press type valve 16, valve-off is finished the potted-seedling transplanting operation.Start independent running mechanism to next operation position, repeat said process.
3, main frame, entry needle are irritated annex composition entry needle and are irritated machine, and comprising: independent running mechanism, manual power mechanism, aerated water punch-out equipment structure, entry needle are irritated mechanism.Its operation principle is: start independent running mechanism and stop to the operation position, manpower is to the depression bar 9 that presses down manual power mechanism, and power is irritated frame 41 by gear frame 10 and pin, makes pin irritate pin 40 and inserts crop root part; Inflator formula aerator 18 is to water tank 14 inflations simultaneously; Pulling elastic press type valve 16, Open valve, the water in the water tank 14 extrudes under gas pressure, irritates pin 40 to the crop root part water filling by flexible pipe 42 and pin.Unclamp elastic press type valve 16, valve-off.Manpower upwards lifts depression bar 9, and pin is irritated pin 40 returns; Inflator formula aerator 18 returns are finished irrigation operation simultaneously.Start independent running mechanism to next operation position, repeat said process.Water liquid fertilizer or solubility is fertile and in the water tank mixes can finish the fertilising operation.
The present invention integrates pot seedling transplanter and entry needle and irritates machine, and simple in structure, processing ease, labour intensity is low, operating efficiency is high, and one presses one can finish potted-seedling transplanting operation, irrigation and fertilising operation between lifting.Simultaneously, the method that adopts the crop root part entry needle to irritate has significantly reduced evaporation discharge and number of dropouts, and water-saving result is obvious, and fertilizer efficiency is remarkable.The crops that are suitable for the soil, arid area are transplanted operation and irrigation, fertilising operation.The agricultural operation that also is suitable for sandy land reaches the purpose of sand control.
Description of drawings
Fig. 1: main machine structure schematic diagram.Wherein, two-wheel 1, single-wheel 2, dynamical system 3, transmission system 4; Control 5, base plate 6, support 7, transverse tube 8, depression bar 9, power transmission frame 10, guide plate 11, bolt hole 12, double-pin 13, water tank 14, the water outlet person in charge 15, elastic press type valve 16, distributive pipe 17, inflator formula aerator 18, cross bar 19.
Fig. 2: press cave mechanism structure schematic diagram.Wherein, point pressing head 20, pressure cave frame 21, bolt hole 22.
Fig. 3: 4 row are pressed cave mechanism structure schematic diagram.
Fig. 4: point pressing head cross-sectional view.Wherein, round bar 23, disk 24, cone 25, tip 26.
Fig. 5 bowl seedlings feeding mechanism structural representation master map.Wherein, support 27, seedling dish 28, two telescopic baffle mechanism 29, lead seedling pipe 30, delivery hose 31, F type connecting rod 32, axial eccentric rod 37.
Fig. 6: Fig. 5 partial left side view.Wherein, gear 33, double rack 34, front apron 35, backboard 36.
Fig. 7: seedling dish structural representation.Wherein, seedling groove 38, plate 39.
Fig. 8: entry needle is irritated the mechanism structure schematic diagram.Wherein, pin is irritated pin 40, pin is irritated frame 41, delivery hose 42, bolt hole 43.
Fig. 9: 4 row entry needles are irritated the mechanism structure schematic diagram.
Figure 10: pin is irritated the pin cross-sectional view.Wherein, fine steel tube 44, tip 45, horizontal circular hole 46.
Embodiment
Fig. 1～Figure 10 is the specific embodiment of the present invention.
As Fig. 1, independent running mechanism is a tricycle structure.Anterior two-wheel 1 is a driving wheel; The single-wheel 2 at rear portion is a deflecting roller; Dynamical system 3 provides walking power, the preferred electrokinetic cell of dynamical system---direct current motor system; Transmission system 4 is sprocket wheel a---chain transmission system; Control 5 control the advancing of independent running mechanisms, retreat, stop, turning to, speed governing.These parts all are installed on the base plate 6.
As Fig. 1, manual power mechanism is made up of support 7, depression bar 9, power transmission frame 10, guide plate 11.Depression bar 9 can serve as that axle rotates with the transverse tube on the support 78; Under the constraint of guide plate 11, on lift or following moulded rod 9, drive power transmission frames 10 by the double-pin on the power transmission frame 10 13 and move up and down.Bolt hole 12 on the power transmission frame 10 is used for installing presses cave mechanism or entry needle to irritate mechanism.
As Fig. 1, aerated water punch-out equipment structure is made up of water tank 14, the water outlet person in charge 15, elastic press type valve 16, distributive pipe 17, inflator formula aerator 18.Cross bar 19 on the inflator formula aerator 18 links to each other with depression bar 9, following moulded rod 9, and inflator formula aerator 18 is to water tank 14 inflations; Lift depression bar 9, inflator formula aerator 18 returns.Have the elastic press type valve 16 control open and close water of backguy, distributive pipe 17 is used to connect the delivery hose of bowl seedlings feeding mechanism or the delivery hose that entry needle is irritated mechanism.
As Fig. 2, Fig. 3, Fig. 4 presses cave mechanism to be made up of point pressing head 20 and pressure cave frame 21, and point pressing head 20 is installed in presses on the cave frame 21.Point pressing head 20 is made up of round bar 23, disk 24, cone 25, tip 26.Press the bolt hole 22 on the cave frame 21 corresponding, be used to press cave frame 21 to link to each other with power transmission frame 10 with the bolt hole 12 on the power transmission frame 10.Power transmission frame 10 drives presses cave frame 21 to move up and down, and makes point pressing head 20 make return, presses the cave action, finishes and presses the cave operation.Fig. 3 is that 4 row are pressed cave mechanism structure schematic diagram.
As Fig. 5, Fig. 6, Fig. 7, bowl seedlings feeding mechanism by support 27, seedling dish 28, two telescopic baffle mechanism 29, lead seedling pipe 30, delivery hose 31 is formed.Two telescopic baffle mechanism 29 is made up of F type connecting rod 32, gear 33, double rack 34, front apron 35, backboard 36.F type connecting rod 32 links to each other with power transmission frame 10, gear frame 10 moves up and down and drives F type connecting rod and move up and down, stir the axial eccentric rod that is installed on the gear 33 37 driven gears 33 counterclockwise or clockwise rotate, gear 33 drives double racks 34 and does linear relative movement, thereby drives front apron 35, backboard 36 is done relative stretching motion.Following moulded rod 9, front apron 35 stretches out, backboard 36 withdrawals, and pot seedling slips into hello seedling position and is blocked by front apron 35; Lift depression bar 9, front apron 35 withdrawal, backboard 36 stretch out, and enter the pot seedling of feeding the seedling position and slip into and lead seedling pipe 30 and go into the cave, and the backboard 36 that stretches out blocks next pot seedling and enters and feed the seedling position, leads seedling pipe 30 feeding seedling caves thereby the control pot seedling slips into one by one.One end of delivery hose 31 is fixed on leads on the seedling pipe 30, and the other end links to each other with the distributive pipe 17 of aerated water punch-out equipment structure, is used for pot seedling and waters.Seedling groove 38 and plate 39 are arranged on the seedling dish 28, and seedling groove 38 is used to place pot seedling.Plate 39 is used for controlling the pot seedling separate slot feeding of seedling groove 38, and with the transplanted seedling distance that is equipped with, concrete operations are: after the seedling groove of no plate has been transplanted, shift seedling dish 28 onto on the support 27 A position, take away plate 39, the continuation transplanting.
As Fig. 8, Fig. 9, Figure 10, entry needle is irritated mechanism and is made up of pin filling pin 40, pin filling frame 41, delivery hose 42.Pin is irritated pin 40 and is installed on the pin filling frame 41.One end of delivery hose 42 is irritated pin 40 with pin and is linked to each other, and the other end links to each other with the distributive pipe 17 of aerated water punch-out equipment structure, is used for irritating pin 40 water deliverys to pin.The bolt hole 43 that pin is irritated on the frame 41 is corresponding with the bolt hole 12 on the power transmission frame 10, being used for pin filling frame 41 links to each other with power transmission frame 10, power transmission frame 10 drives pin filling frame 41 and moves up and down, and makes pin irritate pin 40 and makes return, insert action, finishes crop root part water filling operation.Pin is irritated pin 40 and is made up of fine steel tube 44 and tip 45, and the position of fine steel tube 44 close tips has horizontal circular hole 46, and horizontal circular hole 46 helps to the crop root part water filling over against crops.Figure 10 is that 4 row entry needles are irritated the mechanism structure schematic diagram, and it has outstanding high pin and irritates frame, and the entry needle that is beneficial to high stalk crops is irritated operation.
Below with the corn of sandy land---herbage mixes the bunch planting kind the specific embodiment of the present invention is described, also is used for illustrating desertification control method of the present invention:
1, consolidation: use machinery and manpower to level land, be beneficial to mechanical work.Sandy land is soft, does not need to turn over.
2, point disk seedling growing: mix system alms bowl soil with soil, well-rotted farmyard manure, grass meal, make alms bowl soil be rich in organic matter.Adopt machinery or artificial point disk seedling growing, 1 corn seed and 2-4 grain grass seed are gone in every bunch planting.Herbage is based on perennial drought-enduring leguminous forage, as clover, prairie milk vetch, shrub lespedeza etc.; With perennial drought-enduring gramineous forage grass is auxilliary, as the living wheatgrass of sand, lyme grass etc.Grow seedlings by normal procedure.
3, potted-seedling transplanting: adopt the capable transplanting of width, wide line-spacing 800-1200 millimeter, narrow row is apart from 400 millimeters, and 250 millimeters of spacing in the rows are planted 4000 strains for every mu.Be installed on the main frame transplanting annex, form 2 line transplanters, forward pot seedling to Miao Panshang from the cave dish, transplanter is walked in wide every trade, carries out potted-seedling transplanting by aforementioned transplanter method of operating.Transplanter is capable goes and transplants 2 row, walk second time the time, and control transplanter position makes 400 millimeters of adjacent narrow line-spacing maintenances.
4, irrigate, apply fertilizer: entry needle is irritated annex be installed on the main frame, form 2 row entry needles and irritate machine, entry needle filling machine is walked in wide every trade.Irritate the machine operation method by aforementioned entry needle and irrigate, apply fertilizer, irrigated once in 15 days, every strain is each injects 500 milliliters-1000 ml waters, and each growth season irrigates 8 times, every strain 4000-8000 milliliter of always pouring water.
5, do not turn over after reaping corn is intact, 1 year, transplant at wide row with above-mentioned steps.
In above-mentioned embodiment, every mu of plantation 4000 strains, every strain 4000-8000 milliliter of always pouring water, the every mu of 16-32 ton of always pouring water.Water-saving result is very obvious.
In above-mentioned embodiment, the mixed bunch planting kind of corn, herbage had both guaranteed corn obtain growing needed water, fertilizer, guaranteed herbage obtain growing needed water, fertilizer again, herbage was survived and healthy growth.Selected herbage all is perennial drought-enduring type herbage, and it is dark to hold root, the normal growth in time after guaranteeing under field conditions (factors).
According to above-mentioned implementation method, to plant 2 years, the 8000 bunches of perennial drought-enduring herbages that just distributing on every mu of sandy land can cover the face of land substantially.Transplant in the pressure cave that the present invention simultaneously adopts, and can minimal till or no-tillage soil, thereby save cost, the living plant of conservation of nature.Simultaneously, the root stubble of root system of herbage and crops can play effective sand fixation.
Transplanter of the present invention, entry needle are irritated machine, not only can 2 row operation but also can 4 row operations, and simple in structure, processing ease, the fertile water saving of province, operating efficiency height.Use transplanter of the present invention, entry needle to irritate machine, adopt crops of the present invention---herbage mixes bunch planting kind desertification control method, and crops can obtain results, and the herbage that mixes the bunch planting kind can survive and healthy growth, having saved the operating cost of planting grass simultaneously, is a kind of desertification control method of economy.
Claims (9)
1, a kind of from walk, intermittent working type transplantation, injection needle filling device, it is characterized in that, this device by main frame, transplant annex, entry needle is irritated annex and is formed; Main frame comprises: independent running mechanism, manual power mechanism, aerated water punch-out equipment structure, and manual power mechanism is connected with independent running mechanism by the support (7) that is fixed on the base plate (6); Aerated water punch-out equipment structure is fixed on the base plate (6) of independent running mechanism; The transplanting annex comprises: press cave mechanism, bowl seedlings feeding mechanism, with bolt hole (12) on the power transmission frame (10) pressure cave mechanism is connected by pressing the bolt hole (22) on the cave frame (21) with the manual power mechanism of main frame with bolt; Bowl seedlings feeding mechanism is installed on the support (27), and support (27) is fixed on the base plate (6) of the independent running mechanism of main frame; Entry needle is irritated annex and is connected with the manual power mechanism of main frame with bolt.
2, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that, main frame, transplanting annex are formed pot seedling transplanter, and pot seedling transplanter comprises: independent running mechanism, manual power mechanism, aerated water punch-out equipment structure, pressure cave mechanism, bowl seedlings feeding mechanism.
3, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that, main frame, entry needle are irritated annex and are formed entry needle filling machine, and entry needle filling machine comprises: independent running mechanism, manual power mechanism, aerated water punch-out equipment structure, entry needle are irritated mechanism.
4, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that independent running mechanism is a tricycle structure; Anterior two-wheel (1) is a driving wheel; The single-wheel at rear portion (2) is a deflecting roller; Transmission system (4) is a sprocket wheel, and these parts all are installed on the base plate (6).
5, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that manual power mechanism is made up of support (7), depression bar (9), power transmission frame (10), guide plate (11); Depression bar (9) serves as that axle rotates with the transverse tube (8) on the support (7); Bolt hole (12) on the power transmission frame (10) is used for installing presses cave mechanism or entry needle to irritate mechanism.
6, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that, aerated water punch-out equipment structure by water tank (14), water outlet be responsible for (15), elastic press type valve (16), distributive pipe (17), inflator formula aerator (18) is formed; Cross bar (19) on the inflator formula aerator (18) links to each other with depression bar (9), and distributive pipe (17) is used to connect the delivery hose of bowl seedlings feeding mechanism or the delivery hose that entry needle is irritated mechanism.
7, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that, presses cave mechanism to be made up of point pressing head (20) and pressure cave frame (21); Point pressing head (20) is installed in presses on the cave frame (21); Point pressing head (20) is made up of round bar (23), disk (24), cone (25), tip (26); Press the bolt hole (22) on the cave frame (21) corresponding, be used to press cave frame (21) to link to each other with power transmission frame (10) with the bolt hole (12) on the power transmission frame (10).
8, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that, bowl seedlings feeding mechanism by support (27), seedling dish (28), two telescopic baffle mechanisms (29), lead seedling pipe (30), delivery hose (31) is formed; Two telescopic baffle mechanisms (29) are made up of F type connecting rod (32), gear (33), double rack (34), front apron (35), backboard (36); F type connecting rod (32) links to each other with power transmission frame (10), following moulded rod (9), and front apron (35) stretches out, backboard (36) withdrawal, and pot seedling slips into hello seedling position and is blocked by front apron (35); One end of delivery hose (31) is fixed on leads on the seedling pipe (30), and the other end links to each other with the distributive pipe (17) of aerated water punch-out equipment structure.
9, according to claim 1 from walk, intermittent working type transplantation, entry needle irritate machine, it is characterized in that, entry needle is irritated mechanism and is irritated by pin that pin (40), pin are irritated frame (41), delivery hose (42) is formed; Pin is irritated pin (40) and is installed in pin filling frame (on 41); One end of delivery hose (42) is irritated pin (40) with pin and is linked to each other, and the other end links to each other with the distributive pipe (17) of aerated water punch-out equipment structure; The bolt hole (43) that pin is irritated on the frame (41) is corresponding with the bolt hole (12) on the power transmission frame (10), is used for pin filling frame (41) and links to each other with power transmission frame (10); Pin filling pin (40) is made up of fine steel tube (44) and tip (45), and fine steel tube (44) has horizontal circular hole (46) near the position of tip, and horizontal circular hole (46) is over against crops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200796514U CN201163881Y (en) | 2008-03-28 | 2008-03-28 | Self-walking, intermittent working type device for transplantation and injection needle irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200796514U CN201163881Y (en) | 2008-03-28 | 2008-03-28 | Self-walking, intermittent working type device for transplantation and injection needle irrigation |
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| Publication Number | Publication Date |
|---|---|
| CN201163881Y true CN201163881Y (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200796514U Expired - Fee Related CN201163881Y (en) | 2008-03-28 | 2008-03-28 | Self-walking, intermittent working type device for transplantation and injection needle irrigation |
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| CN (1) | CN201163881Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255147A (en) * | 2014-09-15 | 2015-01-07 | 河南科技大学 | Self-propelled transplanter with self-adaptive transplanting and water-replenishing mechanism |
| CN108243699A (en) * | 2018-02-01 | 2018-07-06 | 浦江县宏创科技开发有限公司 | A kind of water and fertilizer irrigation equipment irrigated for garden seedling tree |
-
2008
- 2008-03-28 CN CNU2008200796514U patent/CN201163881Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255147A (en) * | 2014-09-15 | 2015-01-07 | 河南科技大学 | Self-propelled transplanter with self-adaptive transplanting and water-replenishing mechanism |
| CN104255147B (en) * | 2014-09-15 | 2015-12-30 | 河南科技大学 | A kind of self-propelled transplanter being provided with transplanting moisturizing adaptive mechanism |
| CN108243699A (en) * | 2018-02-01 | 2018-07-06 | 浦江县宏创科技开发有限公司 | A kind of water and fertilizer irrigation equipment irrigated for garden seedling tree |
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Granted publication date: 20081217 Termination date: 20100328 |