CN104180856B - A kind of pot seedling gripping parametric measurement device - Google Patents
A kind of pot seedling gripping parametric measurement device Download PDFInfo
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- CN104180856B CN104180856B CN201410459832.XA CN201410459832A CN104180856B CN 104180856 B CN104180856 B CN 104180856B CN 201410459832 A CN201410459832 A CN 201410459832A CN 104180856 B CN104180856 B CN 104180856B
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- gripping
- adjustable
- pawl
- pot seedling
- measurement device
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- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Transplanting Machines (AREA)
Abstract
The present invention relates to a kind of pot seedling gripping parametric measurement device, motor is fixed on the top rear of frame, the front side of motor is provided with the bearing block being fixed in frame, adjustable gripping pawl is provided with anchor bearing, anchor bearing is assemblied on bearing block, adjustable gripping pawl can swing up and down with anchor bearing for fulcrum under the drive of motor, frame is provided with two groups of gripping stroke adjustment tracks, one group of adjustable track is for spacing to the up stroke limit of adjustable gripping pawl, and another group adjustable track is for spacing to the down stroke limit of adjustable gripping pawl. Pot seedling of the present invention gripping parametric measurement device, gripping power and gripping stroke can be adjusted quickly and easily, the pot seedling of certain particular state can be carried out different gripping power and the test of gripping stroke, quickly show that the pot seedling of this particular state is to gripping power and the requirement gripping stroke, substantially increase the test efficiency of gripping body compatibility test, improve the efficiency of research and development of transplanter and gripping body thereof.
Description
Technical field
The present invention relates to the automatic transplantation technique field of clamping type, specifically a kind of pot seedling gripping parametric measurement device. It is measured for parameters such as the gripping power that the pot seedling under the conditions such as different substrates, different structure alms bowl dish, different water cut is adapted to, gripping strokes.
Background technology
Vegetable is one of requisite important foodstuffs in mankind's daily life. The production of vegetable becomes increasingly dependent on transplanting, and therefore Times ' Demand is complied with in the research and development of all automatic vegetables transplanter (referred to as transplanter). The core component of all automatic vegetables transplanter is seedling picking mechanism, and the main flow direction of current seedling picking mechanism has clamping type, ejecting type and gripping to eject convolution three kinds.
In the process of research and development all automatic vegetables transplanter, owing to matrix species is various, moisture content, matrix components, transplanted seedling kind, the gripping power of gripping body (i.e. clamping type seedling picking mechanism), gripping body gripping stroke etc. all can affect seedling taking effect, and then affect the transplanting effect of transplanter. Thus in the R&D process of gripping body, usually the parameters such as the gripping power of gripping body and gripping stroke can be tested, the final argument of gripping body is determined according to result of the test.
In prior art, it does not have be specifically designed to the gripping power of gripping body and grip the device of the parametric measurements such as stroke, affecting the efficiency of research and development of transplanter and gripping body thereof.
Summary of the invention
For the defect existed in prior art, it is an object of the invention to provide a kind of pot seedling gripping parametric measurement device, pot seedling for certain particular state, special adaptability mensuration that it carries out gripping power and gripping stroke, thus drawing the optimal gripping power of pot seedling and the gripping stroke of this particular state.
For reaching object above, the present invention adopts the technical scheme that:
A kind of pot seedling gripping parametric measurement device, including frame 1, it is characterised in that:
Motor 2 is fixed on the top rear of frame 1,
The front side of motor 2 is provided with bearing block 21, and bearing block 21 is fixed in frame 1,
Adjustable gripping pawl 3 is provided with anchor bearing 8, and anchor bearing 8 is assemblied on bearing block 21,
The tail end 23 of adjustable gripping pawl 3 is positioned at the top of motor 2,
The front end 24 of adjustable gripping pawl 3 stretches out in the front side of frame 1 after frame 1,
The level height of front end 24 lower than the level height of tail end 23,
Adjustable gripping pawl 3 can swing up and down with anchor bearing 8 for fulcrum under the drive of motor 2,
Frame 1 is provided with two groups of gripping stroke adjustment tracks 6, one group of gripping stroke adjustment track 6 for the up stroke limit of adjustable gripping pawl 3 is spacing, another group gripping stroke adjustment track 6 for the down stroke limit of adjustable gripping pawl 3 is spacing,
Often group gripping stroke adjustment track 6 all includes two gripping stroke adjustment sheets being symmetrical set.
On the basis of technique scheme, gripping stroke adjustment sheet entirety is L-shaped, is made up of horizontal segment and bending section,
Horizontal segment for and frame 1 connect, bending section and adjustable gripping pawl 3 against time it is played position-limiting action.
On the basis of technique scheme, the output shaft of motor 2 is horizontally disposed, and is perpendicular to adjustable gripping pawl 3,
The output shaft of motor 2 is connected with one end of crank 5,
The other end of crank 5 is hinged with one end of connecting rod 4,
The other end of connecting rod 4 is hinged with the tail end 23 of adjustable gripping pawl 3.
On the basis of technique scheme, the tail end 23 of adjustable gripping pawl 3 is provided with some hinge holes 22, and the other end of connecting rod 4 is hinged with one of them hinge hole.
On the basis of technique scheme, the tail end 23 of adjustable gripping pawl 3 is provided with at least three hinge hole 22.
On the basis of technique scheme, described adjustable gripping pawl 3 includes:
Horizontally disposed gripping pawl base 7, it is those widened sections that gripping pawl base 7 stretches out the part of frame 1, the width of those widened sections more than the width of remainder,
At the end face of those widened sections, what left and right was relative along its length is provided with movable calvus 10,
Two movable calvus 10 are rotationally connected respectively through the end face of bearing pin 12 with those widened sections,
Bearing pin 12 is positioned at the inner side of movable calvus 10, and bearing pin 12 is provided with elastic body,
The rear end of movable calvus 10 is provided with roller 9,
The clamping part that front portion is gripping pot seedling of movable calvus 10, is provided with pressure sensor module 11 at clamping part.
On the basis of technique scheme, the rear end of gripping pawl base 7 is connected with the tail end 23 being provided with hinge hole 22 by linkage section 52,
Gripping pawl base 7 and tail end 23 are orthogonal.
On the basis of technique scheme, anchor bearing 8 is located on gripping pawl base 7, and closes on linkage section 52 and arrange.
On the basis of technique scheme, in described pressure sensor module 11, it is provided with thin-film pressure sensor.
On the basis of technique scheme, described elastic body includes:
Bolt 16 with nut 15, is located between two parties between two movable calvus 10, and is positioned on front side of bearing pin 12,
Torsionspring 14, is set with on bearing pin 12,
One end of torsionspring 14 is connected with movable calvus 10 and passes through split pin 13 to be fixed, and the other end is connected with bolt 16.
Pot seedling of the present invention gripping parametric measurement device, gripping power and gripping stroke can be adjusted quickly and easily, the pot seedling of certain particular state can be carried out different gripping power and the test of gripping stroke, quickly show that the pot seedling of this particular state is to gripping power and the requirement gripping stroke, substantially increase the test efficiency of gripping body compatibility test, improve the efficiency of research and development of transplanter and gripping body thereof.
Pot seedling of the present invention gripping parametric measurement device, gripping dynamics is adjustable, gripping stroke is adjustable, and simulate gripping body completely by the whole motion of seedling taking to the Seedling that falls, the working condition of authentic and valid reaction gripping body, the parameter adaptability to the pot seedling of certain particular state can be gripped by fast verification, and by different gripping power and the test effect comparison under gripping travel parameters in many group tests are carried out the parameter optimization of gripping body.
Pot seedling of the present invention gripping parametric measurement device, simple in construction, cheap, it is easy to operation, conveniently transplanter clamping type seedling picking mechanism being carried out parameter optimization and improvement, this device can be used for the gripping power needed for the pot seedling under certain certain species and particular state and the gripping isoparametric mensuration of stroke. The selected offer of gripping body parameter directly reliable foundation for certain species pot seedling.
Accompanying drawing explanation
The present invention has drawings described below:
The perspective view of Fig. 1 present invention,
The no frame perspective view of Fig. 2 present invention,
Fig. 3 present invention faces structural representation (no frame),
The structural representation of the adjustable gripping pawl of Fig. 4,
The structural representation of Fig. 5 bolt and torsionspring,
Fig. 6 seedling taking view,
Fig. 7 falls Seedling view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Fig. 1��7, pot seedling of the present invention gripping parametric measurement device, including: frame 1, motor 2, adjustable gripping pawl 3, connecting rod 4, crank 5 and gripping stroke adjustment track 6;
Described adjustable gripping pawl 3 includes: gripping pawl base 7, anchor bearing 8, roller 9, movable calvus 10, pressure sensor module 11, bearing pin 12, split pin 13, torsionspring 14, nut 15, bolt 16.
As shown in Fig. 1��7, concrete structure is as follows:
Motor 2 is fixed on the top rear of frame 1,
The front side of motor 2 is provided with bearing block 21, and bearing block 21 is fixed in frame 1, for instance bearing block 21 is fixed on the crown center position of frame 1,
Adjustable gripping pawl 3 is provided with anchor bearing 8, and anchor bearing 8 is assemblied on bearing block 21, realizes being rotationally connected of adjustable gripping pawl 3 and frame 1 by anchor bearing 8, bearing block 21,
The tail end 23 of adjustable gripping pawl 3 is positioned at the top (oblique upper or surface) of motor 2,
The front end 24 of adjustable gripping pawl 3 stretches out in the front side of frame 1 after frame 1,
The level height of front end 24 lower than the level height of tail end 23,
Adjustable gripping pawl 3 can swing up and down with anchor bearing 8 for fulcrum under the drive of motor 2,
Frame 1 is provided with two groups of gripping stroke adjustment tracks 6, one group of gripping stroke adjustment track 6 for the up stroke limit of adjustable gripping pawl 3 is spacing, another group gripping stroke adjustment track 6 for the down stroke limit of adjustable gripping pawl 3 is spacing,
Often group gripping stroke adjustment track 6 all includes two gripping stroke adjustment sheets being symmetrical set.
On the basis of technique scheme, gripping stroke adjustment sheet entirety is L-shaped, is made up of horizontal segment and bending section,
Horizontal segment for and frame 1 connect, bending section and adjustable gripping pawl 3 against time it is played position-limiting action.
Spacing between the bending section of the gripping stroke adjustment sheet being symmetrical set tapers into, when adjustable gripping pawl 3 moves from big spacing to Small Distance place, the clamping dynamics of adjustable gripping pawl 3 is gradually increased by bending section, what both achieved adjustable gripping pawl 3 is spacing, controls the gripping power of adjustable gripping pawl 3 also by this kind of mode.
On the basis of technique scheme, the output shaft of motor 2 is horizontally disposed, and is perpendicular to adjustable gripping pawl 3,
The output shaft of motor 2 is connected with one end of crank 5,
The other end of crank 5 is hinged with one end of connecting rod 4,
The other end of connecting rod 4 is hinged with the tail end 23 of adjustable gripping pawl 3.
Make adjustable gripping pawl 3 can swing up and down with anchor bearing 8 for fulcrum under the drive of motor 2 by this kind of connected mode.
Connecting rod 4 can pass through the parts such as bearing pin directly and tail end 23 hinged, also can be hinged by changeover mechanism and tail end 23, concrete mode can select according to actual needs.
On the basis of technique scheme, the tail end 23 of adjustable gripping pawl 3 is provided with some hinge holes 22, and the other end of connecting rod 4 is hinged with one of them hinge hole.
Connecting rod 4 adjustment that realize adjustable gripping pawl oscillating stroke hinged from different hinge holes.
On the basis of technique scheme, the tail end 23 of adjustable gripping pawl 3 is provided with at least three hinge hole 22. Three, four, five or more hinge hole such as can be set. Being provided with four hinge holes in embodiment illustrated in fig. 2, connecting rod 4 is directly hinged with a hinge hole 22 by parts such as bearing pins.
On the basis of technique scheme, as shown in Fig. 1��5, described adjustable gripping pawl 3 includes:
Gripping pawl base 7, is a strip flat board, is horizontally disposed with, and it is those widened sections that gripping pawl base 7 stretches out the part of frame 1, the width of those widened sections more than the width of remainder,
At the end face of those widened sections, what left and right was relative along its length is provided with movable calvus 10,
Two movable calvus 10 are rotationally connected respectively through the end face of bearing pin 12 with those widened sections,
Bearing pin 12 is positioned at the inner side of movable calvus 10, and bearing pin 12 is provided with elastic body,
The rear end (one end towards anchor bearing 8) of movable calvus 10 is provided with roller 9,
The clamping part that front portion is gripping pot seedling of movable calvus 10, is provided with pressure sensor module 11 at clamping part.
Roller 9 contacts with the bending section of gripping stroke adjustment sheet when movable calvus 10 enters gripping stroke adjustment track 6, to reduce friction and noise.
On the basis of technique scheme, as it is shown in figure 5, the side of gripping pawl base 7 bottom surface is provided with bending edges 51 along its length. Bending edges 51 can strengthen the bending strength of gripping pawl base 7, extends the service life of adjustable gripping pawl 3.
On the basis of technique scheme, the rear end of gripping pawl base 7 is connected with the tail end 23 being provided with hinge hole 22 by linkage section 52,
Gripping pawl base 7 and tail end 23 are orthogonal.
As shown in Figure 5, staggered 90 degree of the rear and front end of linkage section 52, make gripping pawl base 7 and tail end 23 orthogonal, as previously mentioned, gripping pawl base 7 is horizontally disposed with (horizontally disposed), then tail end 23 is vertically arranged (vertically arranging), in order to the connection of tail end 23 and connecting rod 4. Obviously, during staggered 90 degree of the rear and front end of linkage section 52, gripping pawl base 7, tail end 23 are and are horizontally disposed with, and can act also as one of selectable embodiment, and now, the concrete connected mode of tail end 23 and connecting rod 4 can be implemented by prior art.
Gripping pawl base 7, linkage section 52 and tail end 23 can be integrated integrative-structures, also can be Split type structure modes such as (connect) such as threaded, clampings, grafting.
On the basis of technique scheme, anchor bearing 8 is located on gripping pawl base 7, and closes on linkage section 52 and arrange.
On the basis of technique scheme, the upper end bending laterally of movable calvus 10 forms flanging (bending structure). Bending structure can increase the bending strength of movable calvus 10.
On the basis of technique scheme, in described pressure sensor module 11, it is provided with thin-film pressure sensor. Pressure sensor module 11 can by transmission real-time for the gripping force data suffered by pot seedling in process of the test out.
On the basis of technique scheme, described elastic body includes:
Bolt 16 with nut 15, is located between two parties between two movable calvus 10, and is positioned on front side of bearing pin 12,
Torsionspring 14, is set with on bearing pin 12,
One end of torsionspring 14 is connected with movable calvus 10 and passes through split pin 13 to be fixed, and the other end is connected with bolt 16.
One end of torsionspring 14 acts on the bolt 16 being fixed on gripping pawl base 7, the other end acts on movable calvus 10, the elastic force of torsionspring 14 makes movable calvus 10 be in closure state when being introduced into gripping stroke adjustment track 6, if there is pot seedling between movable calvus 10, then this torsionspring 14 provides gripping power for movable calvus 10.
As shown in Figure 6,7, pot seedling of the present invention gripping parametric measurement device work process is as follows:
First, select the torsionspring 14 of suitable elastic force according to test requirements document, torsionspring is mounted on bearing pin 12, fix with movable calvus 10.
Then, the setting to the gripping stroke of adjustable gripping pawl 3 according to pot seedling size and test, adjust the position of gripping stroke adjustment track 6, so as to be in appropriate location and keep proper width (this width refers to: the spacing between the bending section of the gripping stroke adjustment sheet being symmetrical set), in order to control the gripping stroke of adjustable gripping pawl.
Start motor 2, adjustable gripping pawl 3 motor 2, crank 5, connecting rod 4 driving under do reciprocally swinging (swinging up and down with anchor bearing 8) for fulcrum.
When the roller 9 on movable calvus 10 touches the spacing gripping stroke adjustment track 6 of the up stroke limit, roller 9 is subject to the compressing of gripping stroke adjustment track 6 to be drawn close mutually, spacing between movable calvus 10 rear end becomes narrow gradually, the clamping part front portion of calvus 10 (movable) overcomes the elastic force of torsionspring 14 and opened with certain angle, now pot seedling is placed in clamping part, as shown in Figure 6.
Under the driving of motor 2, the clamping part of adjustable gripping pawl 3 starts to move downward from peak, roller 9 on movable calvus 10 progressively disengages contacting of the gripping stroke adjustment track 6 spacing with the up stroke limit, the elastic force of torsionspring 14 makes movable calvus 10 reset, clamping part closes up until clamping pot seedling to a certain degree gradually, now, pressure sensor module 11 output pressure variable signal.
Adjustable gripping pawl 3 continues to move downward under the driving of motor 2, when the roller 9 on movable calvus 10 touches the spacing gripping stroke adjustment track 6 of the down stroke limit, roller 9 is subject to the compressing of gripping stroke adjustment track 6 to be drawn close mutually again, spacing between movable calvus 10 rear end becomes narrow gradually again, the clamping part front portion of calvus 10 (movable) overcomes the elastic force of torsionspring 14 and opened with certain angle again, complete the release to pot seedling, as shown in Figure 7.
By the gripping power size of the data determination this time test that pressure sensor module 11 exports, and adjust gripping power by changing torsionspring 14, by adjusting the gripping stroke of the adjustable gripping pawl 3 of position adjustment of gripping stroke adjustment track 6, again test.
By difference being gripped the test of many times under power and gripping travel parameters, in the degree of impairment of observation pot seedling and process of the test, pot seedling departs from the situation of adjustable gripping pawl 3, the optimum gripping power of pot seedling and the gripping travel parameters of this particular state can be drawn, complete the mensuration of gripping parameter.
The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (10)
1. a pot seedling gripping parametric measurement device, including frame (1), motor (2) and adjustable gripping pawl (3), motor (2) is fixed on the top rear of frame (1), the front side of motor (2) is provided with bearing block (21), bearing block (21) is fixed in frame (1), adjustable gripping pawl (3) is provided with anchor bearing (8), anchor bearing (8) is assemblied on bearing block (21), the tail end (23) of adjustable gripping pawl (3) is positioned at the top of motor (2), the front end (24) of adjustable gripping pawl (3) stretches out in the front side of frame (1) after frame (1), the level height of front end (24) is lower than the level height of tail end (23), adjustable gripping pawl (3) can swing up and down with anchor bearing (8) for fulcrum under the drive of motor (2), it is characterized in that:
Frame (1) is provided with two groups of grippings stroke adjustment track (6), one group of gripping stroke adjustment track (6) is for spacing to the up stroke limit of adjustable gripping pawl (3), it is spacing that another group gripping stroke adjustment track (6) is used for the down stroke limit to adjustable gripping pawl (3)
Often group gripping stroke adjustment track (6) all includes two gripping stroke adjustment sheets being symmetrical set.
2. pot seedling gripping parametric measurement device as claimed in claim 1, it is characterised in that: gripping stroke adjustment sheet entirety is L-shaped, is made up of horizontal segment and bending section,
Horizontal segment for and frame (1) connect, bending section and adjustable gripping pawl (3) against time it is played position-limiting action.
3. pot seedling gripping parametric measurement device as claimed in claim 1, it is characterised in that: the output shaft of motor (2) is horizontally disposed, and is perpendicular to adjustable gripping pawl (3),
The output shaft of motor (2) is connected with one end of crank (5),
The other end of crank (5) is hinged with one end of connecting rod (4),
The other end of connecting rod (4) is hinged with the tail end (23) of adjustable gripping pawl (3).
4. pot seedling gripping parametric measurement device as claimed in claim 3, it is characterized in that: the tail end (23) of adjustable gripping pawl (3) is provided with some hinge holes (22), the other end of connecting rod (4) is hinged with one of them hinge hole.
5. pot seedling gripping parametric measurement device as claimed in claim 4, it is characterised in that: the tail end (23) of adjustable gripping pawl (3) is provided with at least three hinge hole (22).
6. pot seedling gripping parametric measurement device as claimed in claim 1, it is characterised in that described adjustable gripping pawl (3) including:
Horizontally disposed gripping pawl base (7), it is those widened sections that the part of frame (1) is stretched out in gripping pawl base (7), the width of those widened sections more than the width of remainder,
At the end face of those widened sections, what left and right was relative along its length is provided with movable calvus (10),
Two movable calvus (10) are rotationally connected respectively through the end face of bearing pin (12) Yu those widened sections,
Bearing pin (12) is positioned at the inner side of movable calvus (10), and bearing pin (12) is provided with elastic body,
The rear end of movable calvus (10) is provided with roller (9),
The clamping part that front portion is gripping pot seedling of movable calvus (10), is provided with pressure sensor module (11) at clamping part.
7. pot seedling gripping parametric measurement device as claimed in claim 6, it is characterised in that: the rear end of gripping pawl base (7) is connected with the tail end (23) being provided with hinge hole (22) by linkage section (52),
Gripping pawl base (7) and tail end (23) are orthogonal.
8. pot seedling gripping parametric measurement device as claimed in claim 7, it is characterised in that: anchor bearing (8) is located in gripping pawl base (7), and closes on linkage section (52) setting.
9. pot seedling gripping parametric measurement device as claimed in claim 6, it is characterised in that: described pressure sensor module is provided with thin-film pressure sensor in (11).
10. pot seedling gripping parametric measurement device as claimed in claim 6, it is characterised in that described elastic body includes:
Bolt (16) with nut (15), is located between two parties between two movable calvus (10), and is positioned at bearing pin (12) front side,
Torsionspring (14), is set with on bearing pin (12),
One end of torsionspring (14) is connected with movable calvus (10) and is fixed by split pin (13), and the other end is connected with bolt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459832.XA CN104180856B (en) | 2014-09-11 | 2014-09-11 | A kind of pot seedling gripping parametric measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459832.XA CN104180856B (en) | 2014-09-11 | 2014-09-11 | A kind of pot seedling gripping parametric measurement device |
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| Publication Number | Publication Date |
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| CN104180856A CN104180856A (en) | 2014-12-03 |
| CN104180856B true CN104180856B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410459832.XA Expired - Fee Related CN104180856B (en) | 2014-09-11 | 2014-09-11 | A kind of pot seedling gripping parametric measurement device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990802A (en) * | 2009-08-28 | 2011-03-30 | 湖南农业大学 | Automatic seedling-taking mechanism for transplantation of pot seedlings |
| CN102239804A (en) * | 2011-05-03 | 2011-11-16 | 中国农业大学 | Automatic seedling picking paw mechanism and seedling picking method thereof |
| CN102523803A (en) * | 2011-11-15 | 2012-07-04 | 江苏大学 | Automatic transplanting machine for pot tray seedlings |
| CN103270838A (en) * | 2013-05-04 | 2013-09-04 | 曹伟鹏 | Hole seedling transplanting paw adaptive to hole trays with different models |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04341104A (en) * | 1991-05-17 | 1992-11-27 | Toshiba Corp | Dividing and transplanting device of seedling |
| ITCR20020024A1 (en) * | 2002-11-14 | 2004-05-15 | Ferrari Cost Mecc Snc | VEGETABLE TRANSPLANTING UNIT ROTARY DISTRIBUTOR FOR DOUBLE ROW TRANSPLANT |
-
2014
- 2014-09-11 CN CN201410459832.XA patent/CN104180856B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990802A (en) * | 2009-08-28 | 2011-03-30 | 湖南农业大学 | Automatic seedling-taking mechanism for transplantation of pot seedlings |
| CN102239804A (en) * | 2011-05-03 | 2011-11-16 | 中国农业大学 | Automatic seedling picking paw mechanism and seedling picking method thereof |
| CN102523803A (en) * | 2011-11-15 | 2012-07-04 | 江苏大学 | Automatic transplanting machine for pot tray seedlings |
| CN103270838A (en) * | 2013-05-04 | 2013-09-04 | 曹伟鹏 | Hole seedling transplanting paw adaptive to hole trays with different models |
Non-Patent Citations (2)
| Title |
|---|
| 鸭嘴式移栽机栽植机构试验研究;李晶;《中国优秀硕士学位论文全文数据库 农业科技辑》;20140615;第52至56页 * |
| 齿轮_五杆取苗装置机构优化与试验验证;崔巍;《农业机械学报》;20130831;第44卷(第8期);第74至77页 * |
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