CN109085002A - A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed - Google Patents
A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed Download PDFInfo
- Publication number
- CN109085002A CN109085002A CN201810979520.XA CN201810979520A CN109085002A CN 109085002 A CN109085002 A CN 109085002A CN 201810979520 A CN201810979520 A CN 201810979520A CN 109085002 A CN109085002 A CN 109085002A
- Authority
- CN
- China
- Prior art keywords
- control assembly
- direction control
- vertical direction
- seed
- seeding apparatus
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
Abstract
The reciprocating motion type intermittent sampling mechanism that the invention discloses a kind of on wheat seeding apparatus test-bed.Mainly it is made of horizontal direction control assembly, vertical direction control assembly, controller, bracket, ejector blade and seed collection weighing mechanism, the bracket is mounted on wheat seeding apparatus test-bed, the vertical direction control assembly is rack-mount, the horizontal direction control assembly is mounted in vertical direction control assembly, ejector blade is housed in the horizontal direction control assembly, the seed that ejector blade is released is collected by seed collection weighing mechanism and is weighed, and controller controls the movement of vertical direction control assembly and horizontal direction control assembly.Sampling mechanism function of the invention, which is realized, to be moved back and forth and moves up and down, and is realized equidistant wheat seed sampling, and adopt and weigh taken wheat seed quality in the balance, is realized wheat cultivation uniformity real-time monitoring.Its structure is simple, easy to use, and sampling efficiency is high.
Description
Technical field
The invention belongs to agricultural seeders to test field of mechanical technique, in particular to a kind of to be used for wheat seeding apparatus test-bed
Reciprocating motion type intermittent sampling mechanism.
Background technique
Seeding quality is to influence grain yield key link, and feed mechanism for seed stable and reliable for performance is to guarantee seeding quality
Critical component.It is seasonal strong since farm work environment is complicated, on the main seeding apparatus test-bed indoors of seed sowing device performance test
It completes.Since the main seeding method of wheat is drilling, when carrying out feed mechanism for seed testing experiment, wheat is distributed in conveyer belt at item
On, it is difficult to the test of wheat cultivation uniformity is carried out using the method for quantization.It is tested for this purpose, developing and being suitable for wheat feed mechanism for seed
Platform, the intermittent sampling mechanism for quantifying equidistant wheat cultivation amount are of great significance.Grinding for wheat seeding apparatus test-bed at present
Study carefully that there is not been reported.
Therefore, it develops one kind and is suitable for wheat seeding apparatus test-bed, the interval that can quantify equidistant wheat cultivation quantity takes
Model machine structure has great importance.
Summary of the invention
The purpose of the present invention is designing a kind of reciprocating motion type intermittent sampling mechanism, it is used for wheat seeding apparatus test-bed, in fact
Equidistant wheat seed sampling is realized in the reciprocating motion and up and down motion of existing sampling mechanism, and adopt weigh in the balance it is taken small
Wheat seeds protonatomic mass realizes wheat cultivation uniformity real-time monitoring.
The technical scheme is that a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed,
Mainly by horizontal direction control assembly, vertical direction control assembly, controller, bracket, ejector blade and seed collection weighing mechanism
Composition, the bracket are mounted on wheat seeding apparatus test-bed, and the vertical direction control assembly is rack-mount, the water
Flat Direction Control Unit is mounted in vertical direction control assembly, and ejector blade is housed in the horizontal direction control assembly, pushes away kind
The seed that device is released is collected by seed collection weighing mechanism and is weighed, and controller controls vertical direction control assembly and horizontal direction control
The movement of component processed.
The horizontal direction control assembly is rack-mount, and the vertical direction control assembly installation is controlled in the horizontal direction
On component processed, ejector blade is housed in the vertical direction control assembly.
The horizontal direction control assembly and vertical direction control assembly are made of motor, screw rod, guide rail and sliding block, motor
It is moved along a straight line on guide rail by screw rod band movable slider, limit switch is housed on guide rail.
The bracket is made of support and connection frame, and position adjustment hole is provided on support, and connection frame is installed on the support.
The ejector blade is formed by pushing away kind of arm and U-shaped kind of the head that pushes away, and U-shaped kind of the head that pushes away is mounted on the end for pushing away kind of arm, pushes away kind of an arm
It installs in control assembly in the horizontal direction or is mounted in vertical direction control assembly.
The seed collection weighing mechanism is made of seed spout, measuring cup and balance, and seed spout collects the kind that ejector blade is released
Son, and seed is transported in measuring cup, seed quality is then weighed by balance.
The vertical direction control assembly is made of cylinder, guide rail and sliding block, and cylinder band movable slider straight line on guide rail is transported
It is dynamic, limit switch is housed on guide rail.
Provided a kind of reciprocating motion type intermittent sampling mechanism machine on wheat seeding apparatus test-bed of the invention
It has the advantage that
1. a kind of reciprocating motion type intermittent sampling mechanism machine on wheat seeding apparatus test-bed of the invention uses water
Flat Direction Control Unit and vertical direction control assembly make ejector blade on wheat seeding apparatus test-bed, realize move back and forth and on
Lower movement realizes equidistant wheat seed sampling, and adopts and weigh taken wheat seed quality in the balance, realizes that wheat cultivation is equal
Even property real-time monitoring.
2. the sample rate of the horizontal direction control assembly and vertical direction control assembly of the invention is by motor control
System, velocity-stabilization is adjustable, can be realized and the matching of the different conveyor belt speeds on wheat seeding apparatus test-bed.
3. ejector blade of the present invention pushes away kind of a header structure using U-shaped, it can be realized wheat seed and equidistantly sample, tie
It closes balance and weighs taken wheat seed quality, wheat seeding uniformity real-time monitoring.
4. a kind of reciprocating motion type intermittent sampling mechanism structure on wheat seeding apparatus test-bed of the invention is simple,
Easy to use, sampling efficiency is high.
5. a kind of reciprocating motion type intermittent sampling mechanism structure on wheat seeding apparatus test-bed of the invention is also fitted
Seeding apparatus test-bed for other drilling cereal.
Detailed description of the invention
Fig. 1 is that a kind of stereochemical structure of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed is illustrated
Figure；
Fig. 2 is that a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed is tried in wheat feed mechanism for seed
Test the installation schematic perspective view on platform；
Fig. 3 is that another stereochemical structure for the reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed is shown
It is intended to；
Figure label is described as follows:
1. horizontal direction control assembly, 2. vertical direction control assemblies, 3. brackets, 4. ejector blades, 5. seed collections weigh
Mechanism, 6. controllers, 7. wheat seeding apparatus test-beds, 8. conveyer belts, 9. wheat feed mechanism for seed mounting racks,
11. motor, 12. screw rods, 13. guide rails, 14. sliding blocks,
21. motor, 22. screw rods, 23. guide rails, 24. sliding blocks, 25. cylinders,
31. support, 32. connection frames, 33. position adjustment holes,
41. pushing away kind of an arm, 42.U type pushes away kind of a head
51. seed spout, 52. measuring cups, 53. balances,
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.
Embodiment 1
Figure is shown in a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed described in the present embodiment 1
1 to shown in Fig. 2.
As shown in Figure 1, described in the present embodiment it is a kind of on wheat seeding apparatus test-bed reciprocating motion type interval take
Model machine structure is mainly received by horizontal direction control assembly 1, vertical direction control assembly 2, controller 6, bracket 3, ejector blade 4 and seed
Collect weighing mechanism 5 to form, the bracket 3 is mounted on wheat seeding apparatus test-bed 7, and the vertical direction control assembly 2 is installed
On the connection frame 32 of bracket 3, the horizontal direction control assembly 1 is mounted on the sliding block 24 of vertical direction control assembly 2, institute
It states equipped with ejector blade 4 on the sliding block 14 of horizontal direction control assembly 2, the seed that ejector blade 4 is released is by seed collection weighing mechanism 5
It collects and weighs, controller 6 controls the movement of vertical direction control assembly 2 and horizontal direction control assembly 1.
The horizontal direction control assembly 1 is made of motor 11, screw rod 12, guide rail 13 and sliding block 14, and motor 11 passes through silk
Bar 12 moves along a straight line on guide rail 13 with movable slider 14, limit switch is housed, for controlling the stroke model of sliding block 14 on guide rail 13
It encloses.
The vertical direction control assembly 2 is made of motor 21, screw rod 22, guide rail 23 and sliding block 24, and motor 21 passes through silk
Bar 22 moves along a straight line on guide rail 23 with movable slider 24, limit switch is housed, for controlling the stroke model of sliding block 24 on guide rail 23
It encloses.
The bracket 3 is made of support 31 and connection frame 32, and position adjustment hole 33 is provided on support 31, and connection frame 32 is installed
On support 31.
The ejector blade 4 is formed by pushing away kind of arm 41 and U-shaped kind of the head 42 that pushes away, and U-shaped kind of the head 42 that pushes away is mounted on the end for pushing away kind of arm 41
Portion pushes away kind of arm 41 and installs on the sliding block 14 of control assembly 1 in the horizontal direction.Adjust the U-shaped opening width for pushing away kind of head 42, Ke Yigai
Change pushes away kind of a width, to adjust sampling precision.
The seed collection weighing mechanism 5 is made of seed spout 51, measuring cup 52 and balance 53, and seed spout 51 collects ejector blade
4 seeds released, and seed is transported in measuring cup 52, seed quality is then weighed by balance 53.Inoculation of seed spout 51
Port is mounted on 8 side of conveyer belt on wheat seeding apparatus test-bed 7, corresponding with ejector blade 4.
Fig. 2 is that a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed is mounted on wheat seeding
Installation schematic perspective view on device testing stand 7.
When a kind of reciprocating motion type intermittent sampling mechanism work on wheat seeding apparatus test-bed, wheat feed mechanism for seed peace
On wheat feed mechanism for seed mounting rack 9 on wheat seeding apparatus test-bed 7, the wheat seed that wheat feed mechanism for seed broadcasts is sprinkling upon wheat
On the conveyer belt 8 of seeding apparatus test-bed 7, wheat seed is taken out of by conveyer belt 8, forms wheat cultivation item.When wheat seed moves
When to the lower section of reciprocating motion type intermittent sampling mechanism, start the motor 21 of vertical direction control assembly 2, motor 21 passes through screw rod
22 band movable sliders 24 move downward on guide rail 23, the horizontal direction control being mounted on the sliding block 24 of vertical direction control assembly 2
Component 1 processed moves downward therewith, and sliding block 24 contacts 21 stop motion of motor after vertical direction minimum point limit switch, pushes away kind at this time
U-shaped kind of the head 42 that pushes away of device 4 is contacted with conveyer belt 8.The motor 11 for starting horizontal direction control assembly 1 is driven by screw rod 12 and is slided
Block 14 moves right on guide rail 13, and ejector blade 4 starts to push away kind under the drive of sliding block 14, and it is most right that motor 11 touches horizontal direction
Stop motion after point limit switch, is fallen under gravity into seed spout 51 by the seed that ejector blade 4 pushes right side to, along defeated kind
Pipe 51 enters measuring cup 52, and by 53 weighed amount of balance.At this point, the motor 21 of starting vertical direction control assembly 2 moves upwards
Stop after to vertical direction highest point limit switch, ejector blade 4 leaves conveyer belt 8, restarting horizontal direction control assembly 1
Motor 11 is moved downward to stopping at horizontal direction ultra-left point limit switch, completes a sampling process.The vertical side of restarting
Next sampling process is moved downwardly into the motor 21 of control assembly 2.
A kind of reciprocating motion type intermittent sampling mechanism machine on wheat seeding apparatus test-bed described in the present embodiment 1 is adopted
Make ejector blade 4 on wheat seeding apparatus test-bed 7 with horizontal direction control assembly 1 and vertical direction control assembly 2, realizes reciprocal
Movement and up and down motion realize equidistant wheat seed sampling, and weigh taken wheat seed quality using balance 53, realize
Wheat cultivation uniformity real-time monitoring.
The sample rate of the horizontal direction control assembly 1 and vertical direction control assembly 2 is by motor 11 and motor 21
Control, velocity-stabilization is adjustable, can be realized and the matching of 78 speed of different conveyer belts on wheat seeding apparatus test-bed.
The ejector blade 4 pushes away kind of a header structure using U-shaped, can be realized wheat seed and equidistantly samples, in conjunction with balance
53 weigh taken wheat seed quality, wheat seeding uniformity real-time monitoring.
A kind of reciprocating motion type intermittent sampling mechanism structure on wheat seeding apparatus test-bed described in the present embodiment 1
Simply, easy to use, sampling efficiency is high.
Embodiment 2
Reciprocating motion type intermittent sampling mechanism of the another kind described in the present embodiment 2 on wheat seeding apparatus test-bed is shown in
Shown in Fig. 3.
As shown in figure 3, described in the present embodiment it is a kind of on wheat seeding apparatus test-bed reciprocating motion type interval take
Model machine structure is mounted on the connection frame 32 of bracket 3 using horizontal direction control assembly 1, and the vertical direction control assembly 2 is installed
In the horizontal direction on the sliding block 14 of control assembly 1, ejector blade 4 is housed on the sliding block 24 of the vertical direction control assembly 2.
The horizontal direction control assembly 1 is made of motor 11, screw rod 12, guide rail 13 and sliding block 14, and motor 11 passes through silk
Bar 12 moves along a straight line on guide rail 13 with movable slider 14, limit switch is housed, for controlling the stroke model of sliding block 14 on guide rail 13
It encloses.
The vertical direction control assembly 2 is made of cylinder 25, guide rail 23 and sliding block 24, and cylinder 25 is being led with movable slider 24
It moves along a straight line on rail 23, is used to control the stroke range of sliding block 24 on guide rail 23 equipped with limit switch.
The bracket 3 is made of support 31 and connection frame 32, and position adjustment hole 33 is provided on support 31, and connection frame 32 is installed
On support 31.
The ejector blade 4 is formed by pushing away kind of arm 41 and U-shaped kind of the head 42 that pushes away, and U-shaped kind of the head 42 that pushes away is mounted on the end for pushing away kind of arm 41
Portion pushes away kind of arm 41 and installs on the sliding block 14 of control assembly 1 in the horizontal direction.
The seed collection weighing mechanism 5 is made of seed spout 51, measuring cup 52 and balance 53, and seed spout 51 collects ejector blade
4 seeds released, and seed is transported in measuring cup 52, seed quality is then weighed by balance 53.Inoculation of seed spout 51
Port is mounted on 8 side of conveyer belt on wheat seeding apparatus test-bed 7, corresponding with ejector blade 4.
Another kind described in the present embodiment 2 is for the reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed
The course of work and a kind of work of the reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed described in embodiment 1
Make that process is essentially identical, it is different from the mounting means of vertical direction control assembly 2 that difference is horizontally oriented control assembly 1,
Another is not both the power part of vertical direction control assembly 2 using cylinder 25.Its advantage is that structure is simpler, effect is more
It is good.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (7)
1. a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed, it is characterized in that: mainly by level
Direction Control Unit, vertical direction control assembly, controller, bracket, ejector blade and seed collection weighing mechanism composition, the branch
Frame is mounted on wheat seeding apparatus test-bed, and the vertical direction control assembly is rack-mount, the horizontal direction control
Component is mounted in vertical direction control assembly, and ejector blade, the kind that ejector blade is released are housed in the horizontal direction control assembly
Son is collected by seed collection weighing mechanism and is weighed, and controller controls the fortune of vertical direction control assembly and horizontal direction control assembly
It is dynamic.
2. a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed according to claim 1,
It is characterized in that: the horizontal direction control assembly is rack-mount, the vertical direction control assembly installation is in the horizontal direction
In control assembly, ejector blade is housed in the vertical direction control assembly.
3. a kind of reciprocating motion type intermittent sampling machine on wheat seeding apparatus test-bed according to claim 1 or 2
Structure, it is characterized in that: the horizontal direction control assembly and vertical direction control assembly are made of motor, screw rod, guide rail and sliding block,
Motor is moved along a straight line on guide rail by screw rod band movable slider, and limit switch is housed on guide rail.
4. a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed according to claim 1,
It is characterized in that: the bracket is made of support and connection frame, position adjustment hole is provided on support, connection frame is installed on the support.
5. a kind of reciprocating motion type intermittent sampling machine on wheat seeding apparatus test-bed according to claim 1 or 2
Structure, it is characterized in that: the ejector blade is formed by pushing away kind of arm and U-shaped kind of the head that pushes away, U-shaped kind of the head that pushes away is mounted on the end for pushing away kind of arm, pushes away
Kind arm is installed in control assembly in the horizontal direction or is mounted in vertical direction control assembly.
6. a kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed according to claim 1,
It is characterized in that: the seed collection weighing mechanism is made of seed spout, measuring cup and balance, seed spout collects the kind that ejector blade is released
Son, and seed is transported in measuring cup, seed matter weight is then weighed by balance.
7. a kind of reciprocating motion type intermittent sampling machine on wheat seeding apparatus test-bed according to claim 1 or 2
Structure, it is characterized in that: the vertical direction control assembly is made of cylinder, guide rail and sliding block, cylinder band movable slider is straight on guide rail
Line moves, and limit switch is housed on guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979520.XA CN109085002B (en) | 2018-08-27 | 2018-08-27 | A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979520.XA CN109085002B (en) | 2018-08-27 | 2018-08-27 | A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085002A true CN109085002A (en) | 2018-12-25 |
| CN109085002B CN109085002B (en) | 2019-08-20 |
Family
ID=64794841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810979520.XA Active CN109085002B (en) | 2018-08-27 | 2018-08-27 | A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109085002B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387388A (en) * | 2018-12-28 | 2019-02-26 | 中国农业大学 | A kind of universal seed-metering performance detector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777527Y (en) * | 2005-04-21 | 2006-05-03 | 黑龙江省农业机械工程科学研究院 | Computer vision seeding apparatus test-bed |
| CN101080165A (en) * | 2004-08-26 | 2007-11-28 | 孟山都技术有限公司 | Automated seed sampler and methods of sampling, testing and bulking seeds |
| CN202092882U (en) * | 2011-05-27 | 2011-12-28 | 中国农业机械化科学研究院 | Performance test system for seed sowing machine |
| CN104458319A (en) * | 2014-11-28 | 2015-03-25 | 中国科学院合肥物质科学研究院 | Automatic seed sampling machine |
| CN107966312A (en) * | 2017-11-30 | 2018-04-27 | 吉林大学 | Seed spring is test bed |
-
2018
- 2018-08-27 CN CN201810979520.XA patent/CN109085002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101080165A (en) * | 2004-08-26 | 2007-11-28 | 孟山都技术有限公司 | Automated seed sampler and methods of sampling, testing and bulking seeds |
| CN2777527Y (en) * | 2005-04-21 | 2006-05-03 | 黑龙江省农业机械工程科学研究院 | Computer vision seeding apparatus test-bed |
| CN202092882U (en) * | 2011-05-27 | 2011-12-28 | 中国农业机械化科学研究院 | Performance test system for seed sowing machine |
| CN104458319A (en) * | 2014-11-28 | 2015-03-25 | 中国科学院合肥物质科学研究院 | Automatic seed sampling machine |
| CN107966312A (en) * | 2017-11-30 | 2018-04-27 | 吉林大学 | Seed spring is test bed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387388A (en) * | 2018-12-28 | 2019-02-26 | 中国农业大学 | A kind of universal seed-metering performance detector |
| CN109387388B (en) * | 2018-12-28 | 2024-01-12 | 中国农业大学 | Universal seed metering performance detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109085002B (en) | 2019-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209784110U (en) | Automatic detection device for content of stems in cut tobacco | |
| CN109085002B (en) | A kind of reciprocating motion type intermittent sampling mechanism on wheat seeding apparatus test-bed | |
| CN201238454Y (en) | Precision seeder with rice seedling dish for seedling culture | |
| CN201311382Y (en) | Straw cutting performance testing table | |
| CN105783990A (en) | Panoramic image measurement system for corn ear indoor accurate seed assessment and testing | |
| CN202361953U (en) | Automatic weighing and gauging device | |
| CN107333066B (en) | Sugarcane seed identification system | |
| CN208907867U (en) | A kind of seed automatic sampling device | |
| CN105403300B (en) | Thousand grain weigth instrument based on machine vision | |
| CN211721080U (en) | Transplanting experiment table and seedling taking tray conveying and positioning device | |
| CN109328572A (en) | A kind of entire row Plug seedling fetches and delivers testing stand | |
| CN204495400U (en) | A kind of crops phenotype test device | |
| CN108496477A (en) | A kind of adjustable ditching plant feed unit and method | |
| CN209080808U (en) | A kind of bushing outer tube automatically in glue production line send guard system | |
| CN207622840U (en) | A kind of weighing device of fire fighting bottle | |
| CN110637566A (en) | Potato planter and intelligent seed metering device thereof | |
| CN210901189U (en) | Fish body longitudinal transmission head and tail distinguishing and adjusting system | |
| CN210914219U (en) | Fish body longitudinal transmission head and tail distinguishing and adjusting system based on photoelectric sensor | |
| CN208635888U (en) | A kind of laser opposite-radiation cereal flow monitoring experiment platform device | |
| CN204228013U (en) | A kind of volume key height measurer | |
| CN107014301A (en) | A kind of detection means and method of pot seedling diameter | |
| CN217217369U (en) | Automatic change sugarcane seedling cutting machine | |
| CN109122381B (en) | Automatic recording device for calf feed intake behavior | |
| CN217790281U (en) | Vibrating type hole tray seeder with blind hole conveying belt | |
| CN214895200U (en) | Detection equipment for goat milk powder production platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |