CN105910837A - High-speed rice transplanter comprehensive performance detection test stand - Google Patents
High-speed rice transplanter comprehensive performance detection test stand Download PDFInfo
- Publication number
- CN105910837A CN105910837A CN201510591003.1A CN201510591003A CN105910837A CN 105910837 A CN105910837 A CN 105910837A CN 201510591003 A CN201510591003 A CN 201510591003A CN 105910837 A CN105910837 A CN 105910837A
- Authority
- CN
- China
- Prior art keywords
- planting
- box
- transplanting mechanism
- transplanting
- seedling
- 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.)
- Pending
Links
Landscapes
- Transplanting Machines (AREA)
Abstract
The invention discloses a high-speed rice transplanter comprehensive performance detection test stand comprising a main frame body of the test stand, a guide rail, a supporting plate, a motor, a transplanting mechanism, a box moving mechanism, a seeding box, a miss planting rate detection device, a spiral shaft mechanical impact detection device, a transplanting mechanism seeding needle movement track synchronization performance detection mechanism, an industrial control box and a portable computer. The planting part of a transplanter is formed by the transplanting mechanism, the box moving mechanism and the seeding box. Forward, backward, stop and planting conditions of the planting part can be controlled through the portable computer and the industrial control box. The movement tracks of the transplanting mechanism seeding needle can be captured in real time by adopting a symmetric CMOS camera. Counting of the miss planting rate is performed by a soil loading bin outputted by a conveying belt through four photoelectric sensors. A mechanical impact sensor group which is installed on a spiral shaft and formed by an impact acceleration sensor and a stress detector acquires acceleration of a slide sleeve and strain information under the impact load so as to analyze the performance of the box moving mechanism.
Description
Technical field
The invention belongs to agricultural mechanical field, relate to a kind of high-speed rice seedling planter test bench for detecting comprehensive performance.
Background technology
Such as there is product defects in high-speed rice seedling planter, easily affects its service behaviour and service life, so high-speed rice seedling planter must carry out performance detection before dispatching from the factory.At present at high-speed rice seedling planter performance detection field, the detection function of testing stand is only limitted to the performance parameter detection of the single parts of seedling box mover or transplanting mechanism mostly, and the most rare to the testing stand of high-speed rice seedling planter combination property detection.Accurately to analyze high-speed rice seedling planter in the combination property of rice transplanting operation Zhong Ge mechanism and to measure rice transplanter leakage and insert the Specifeca tion speeifications such as rate, need to carry out model machine field test, utilize manual detection, labor intensity is big, and cost is high.Therefore, need to design the testing stand for the detection of high-speed rice seedling planter combination property, the combination property of high-speed rice seedling planter complete machine is detected, in order in time high-speed rice seedling planter is improved, improve high-speed rice seedling planter service behaviour and service life.
Summary of the invention
The invention aims to make up the deficiency of prior art, it is provided that a kind of high-speed rice seedling planter test bench for detecting comprehensive performance.
The present invention is achieved through the following technical solutions:
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: including main frame body, main frame body is provided with guide rail, slide on rails is combined with supporting plate；Main frame body two ends are separately installed with drive, are set with conveyer belt between drive, conveyer belt is placed with dress soil box, dress soil box is filled with soil；Transplanter planting part and motor two are installed on supporting plate, transplanter planting part is made up of transplanting mechanism, seedling box mover and seedling case, the axle of motor two is in transmission connection with the power input shaft of the transplanting mechanism of part of planting, equipped with planting arm on transplanting mechanism, on supporting plate, the position of corresponding transplanting mechanism transplanting arm has port, described transplanting mechanism transplanting arm through port by seedling growing in the soil of dress soil box；Main frame body is positioned at the outfan of transmission band and is provided with the photoelectric sensor for recording seedling growing cave number.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: being set with sliding sleeve on the helical axis of seedling box mover, sliding sleeve is provided with jerk acceleration transducer, sliding sleeve is provided with stressometer with the junction of helical axis.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: the outlet side being positioned at main frame body is provided with dress soil box supporting plate.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterized in that: the both sides being positioned at part of planting are separately provided for recording the cmos camera of two transplanting mechanism seedling needle tip movement locus about part of planting, and are provided with thin plate between two transplanting mechanisms.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: being provided with the leading screw that motor controls on described main frame body, leading screw is set with feed screw nut, described feed screw nut is fixing with supporting plate to be connected.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: include motor, cmos camera, industrial control box, control card, encoder and portable computer.The signal of described photoelectric sensor, jerk acceleration transducer, stressometer, cmos camera and encoder collection is transferred to portable computer by control card and processes, the command information that computer sends passes to industrial control box by controlling card, controls the operating of motor.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: being provided with the leading screw that motor controls on described main frame body, leading screw is set with feed screw nut, described feed screw nut is fixing with supporting plate to be connected.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, this testing stand includes: three motors, and motor one controls screw turns；Motor two provides power for part of planting；Motor three controls drive and rotates.
The present invention includes interconnective card and the hand-held calculator of controlling, and the outfan of two CMOS camera, jerk acceleration transducer, stressometer and photoelectric sensor is respectively connected to control the input of card；Including and control industrial control box and the encoder that card is connected, industrial control box and encoder are connected with three motors respectively；The signal of photoelectric sensor, two cmos cameras, acceleration transducer, stressometer and encoder collection is transferred to portable computer processes by controlling card, the command information that computer sends passes to industrial control box by controlling card, controls the operating of three motors.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance, this testing stand includes: rate detection device, helical axis mechanical shock detection device, transplanting mechanism seedling needle movement trajectory synchronization device for detecting performance, industrial control box and portable computer composition are inserted in the main frame body of testing stand, guide rail, motor, transplanting mechanism, seedling box mover, seedling case, leakage.The parts such as supporting plate, transmission band and photoelectric sensor constitute leakage and insert rate detection device.Described helical axis, jerk acceleration transducer and stressometer etc. constitute helical axis mechanical shock detection device.Cmos camera and thin plate etc. constitute transplanting mechanism seedling needle movement trajectory synchronization device for detecting performance.By portable computer, industrial control box can control to plant part advance, retreat, stop, planting various working.
The main frame body of described testing stand is to be formed by several long steel-pipe weldings, is parallel to the frame structure that ground is cuboid；Described leakage is inserted rate detection device and is rotated by driven by motor drive, two drives lay respectively at two ends before and after main frame body, and dress soil box carries out transmission by conveyer belt, and dress soil box supporting plate is placed on the ground of dress soil box dead ahead, photoelectric sensor is welded on the upper end of main frame body, with soil box keeping parallelism；Being provided with sliding sleeve on the helical axis of described helical axis mechanical shock detection device, jerk acceleration transducer spiral is fixed on the upper end of sliding sleeve, and stressometer is fixed on the junction of sliding sleeve and helical axis by binding agent；In described transplanting mechanism seedling needle movement trajectory synchronization device for detecting performance, two cmos camera symmetries fix on the ground, and are on same straight line with transplanting mechanism, and centre is separated by the thin plate being arranged on supporting plate；Described industrial control box is fixed by screws in the end of the main frame body of testing stand, requires the control knob in real-time operation industrial control box according to the operating condition of transplanting mechanism.
Described guide rail is made up of symmetrical cylindrical guide, motor one, leading screw, supporting plate, sliding sleeve and feed screw nut, described motor one is connected by bearing with leading screw, the two ends of described cylindrical guide are fixed by the main frame body of flange with testing stand, and with ground keeping parallelism, described supporting plate is fixed by bolt and four sliding sleeves, described sliding sleeve can on cylindrical guide parallel sliding, described feed screw nut is welded on supporting plate bottom surface, is connected by feed screw nut between supporting plate with leading screw.
nullThe principle of the invention is: the load of performance to be tested is planted and is partially installed on supporting plate upper end，Regulation transplanting mechanism position on supporting plate，Guarantee that transplanting arm can pass through the smooth rice transplanting of supporting plate opening，Motor two imparts power to transplanting mechanism power transmission shaft by a pair angular wheel in transmission case，Transplanting mechanism power transmission shaft and helical axis are installed pair of sprocket，Power is provided to the transverse and longitudinal seedling sending of seedling box mover by Chain conveyer，The signal gathered during transverse and longitudinal seedling sending is transferred to control card by the mechanical shock sensor being arranged on helical axis，It is sent to computer again by control card，Utilize Matlab software that the signal data gathered is carried out Treatment Analysis，Motor one realizes, by feed screw nut, straight-line travelling partly of planting on supporting plate，Advance partly of planting is controlled by industrial control box、Retreat、Stop many actual conditions，Surface-based symmetrical cmos camera，The movement locus of two transplanting mechanism seedling needle tips about real time record，Utilizing VFV(Video for Windows) Multimedia Programming video development instrument is captured as BMP image，Recycling Microsoft Visual C++ programs process image，Finally show movement locus at computer screen，Centre is separated by the thin plate being arranged on supporting plate，Avoid the interference of left and right shooting track，Motor three provides power by drive for conveyer belt，The soil box being plugged rice shoot is removed from main frame body，Caught by dress soil box supporting plate，Leakage rice transplanting Seedling cave number is counted by the photoelectric sensor being arranged on main frame body，Numerical value is sent in computer the ratio by computed in software with whole soil box rice shoot theoretical total cave number，Thus draw rate of Lou inserting，Helical axis mechanical shock detection device、Seedling needle movement trajectory synchronization device for detecting performance、The detection signal of leakage rate detection device and sensor acquisition is transferred to portable computer by control card and carries out subsequent treatment，Shown by portable computer display screen，And feed back to industrial control box，Control all motors.
The invention have the advantage that
Present configuration is reasonable in design, electric machine rotation drives leading screw to rotate, impart power to the nut on supporting plate, drive plant partial straight lines motion, by transmission case, the power of motor is passed to transplanting mechanism and seedling box mover, it is achieved transplanting arm and the operating of seedling box mover simultaneously, thus the combination property that leakage is plugged in the rice transplanters such as rate, helical axis mechanical shock damage and transplanting mechanism seedling needle movement trajectory synchronization performance detects, reduce hand labor intensity, reduce cost, improve performance test efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is main body top view of the present invention.
Fig. 3 is that the present invention leaks slotting rate detection structural representation.
Fig. 4 is that transplanting mechanism seedling needle movement trajectory synchronization performance of the present invention detects structural representation.
Fig. 5 is transmission case installation site partial enlarged drawing of the present invention.
Fig. 6 is transmission case transmission principle schematic diagram of the present invention.
Fig. 7 is helical axis of the present invention and shift sleeve structure schematic diagram.
Fig. 8 is helical axis mechanical shock sensor installation site partial enlarged drawing of the present invention.
Fig. 9 is industrial control box structural representation of the present invention.
Figure 10 is control principle flow chart of the present invention.
Figure 11 is the structural representation of the present invention.
In figure: 1, industrial control box；2, photoelectric sensor；3, main frame body；4, transmission case；5, motor two；6, motor two support；7, seedling case；8, seedling box mover；9, motor one；10, dress soil box supporting plate；11, supporting plate；12, sliding sleeve；13, cylindrical guide；14, leading screw；15, flange；16, conveyer belt；17, dress soil box；18, motor three；19, wheel is transmitted；20, motor three support；21, feed screw nut；22, COMS video camera；23, thin plate；24, transplanting mechanism；25, jerk acceleration transducer；26, stressometer；27, sliding sleeve；28, helical axis；29, transplanting mechanism power transmission shaft；30, signal lights；31, rice transplanting start button；32, speed regulating control panel；33, rice transplanting stop button；34, main switch；35, walk signal lamp；36, walking start button；37, walking stop button；38, rewind button；39, emergency switch；40, driven angular wheel；41, actively angular wheel；42, driven sprocket；43, chain；44, drive sprocket.
Detailed description of the invention
nullSee accompanying drawing Fig. 1-Fig. 8，A kind of high-speed rice seedling planter test bench for detecting comprehensive performance，This testing stand includes: the main frame body 3 of described testing stand is to be formed by several long steel-pipe weldings，It is parallel to the frame structure that ground is cuboid，Described guide rail is by symmetrical cylindrical guide 13a and cylindrical guide 13b、Motor 1、Leading screw 14、Supporting plate 11、Sliding sleeve 12 forms，Wherein motor 1 is connected by bearing with leading screw 14，The two ends of cylindrical guide 13 are fixed by the main frame body 3 of flange 15 with testing stand，And with ground keeping parallelism，Supporting plate 11 is fixed by bolt and four sliding sleeves 12，Wherein sliding sleeve 12 can on cylindrical guide 13 parallel sliding，To be tested planting is partially installed on supporting plate 11 upper end，The regulation transplanting mechanism 24 position on supporting plate 3，Guarantee that transplanting arm can pass through the smooth rice transplanting of supporting plate opening，Motor 25 provides power with actively angular wheel 41 for transplanting mechanism power transmission shaft 29 by the driven angular wheel 40 in transmission case 4，Wherein actively angular wheel 41 is connected offer power source with motor 5，Actively angular wheel 41 is fixing with transplanting mechanism power transmission shaft 29 is connected，Driven sprocket 42 is fixed with helical axis 28 simultaneously，Drive sprocket 44 is fixed on transplanting mechanism power transmission shaft 29，This pair of sprocket provides power with chaindriven form to the transverse and longitudinal seedling sending of seedling box mover 8 by chain 43；Described leakage is inserted rate detection device and is provided power by drive 19 for conveyer belt by motor 3 18, two drives 19 lay respectively at two ends before and after main frame body 3, the dress soil box 17 being plugged rice shoot carries out transmission by conveyer belt 16, photoelectric sensor 2 is welded on the upper end of main frame body 3, count out Lou rice transplanting Seedling cave number, and numerical value is sent in computer the ratio by computed in software with whole soil box rice shoot theoretical total cave number, thus draw rate of Lou inserting；On the helical axis 28 of described helical axis mechanical shock detection device, sliding sleeve 27 is installed, jerk acceleration transducer 25 spiral is fixed on the upper end of sliding sleeve 27, stressometer 26 is fixed on the junction of sliding sleeve 27 and helical axis 28 by binding agent, the signal gathered during transverse and longitudinal seedling sending is transferred to control card by sensor, it is sent to computer by control card again, utilizes Matlab software that the signal data gathered is carried out finishing analysis；In described transplanting mechanism seedling needle movement trajectory synchronization device for detecting performance, cmos camera 22a and cmos camera 22b symmetry fix on the ground, and it is on same straight line with transplanting mechanism 24, the movement locus of real time record both sides transplanting mechanism 24 seedling needle tip, utilizes VFV(Video
For Windows) Multimedia Programming video development instrument is captured as BMP image, recycling Microsoft Visual C++ programs process image, finally show that movement locus, centre are separated by the thin plate 23 being arranged on supporting plate 11 at computer screen, it is to avoid the interference of left and right shooting track；Described industrial control box 1 is fixed by screws in the end of the main frame body 3 of testing stand, according to the operating condition requirement of part of planting, the control knob in real-time operation industrial control box 1, can be adjusted the speed of rice transplanting by speed regulating control panel 32 simultaneously.
Claims (5)
1. a high-speed rice seedling planter test bench for detecting comprehensive performance, it is characterised in that: including main frame body, main frame body is provided with guide rail, slide on rails is combined with supporting plate；Main frame body two ends are separately installed with drive, are set with conveyer belt between drive, conveyer belt is placed with dress soil box, dress soil box is filled with soil；Transplanter planting part and motor two are installed on supporting plate, transplanter planting part is made up of transplanting mechanism, seedling box mover and seedling case, the axle of motor two is in transmission connection with the power input shaft of the transplanting mechanism of part of planting, equipped with planting arm on transplanting mechanism, on supporting plate, the position of corresponding transplanting mechanism transplanting arm has port, described transplanting mechanism transplanting arm through port by seedling growing in the soil of dress soil box；Main frame body is positioned at the outfan of transmission band and is provided with the photoelectric sensor for recording seedling growing cave number.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance the most according to claim 1, it is characterized in that: on the helical axis of seedling box mover, be set with sliding sleeve, being provided with jerk acceleration transducer on sliding sleeve, sliding sleeve is provided with stressometer with the junction of helical axis.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance the most according to claim 1, it is characterised in that: the outlet side being positioned at main frame body is provided with dress soil box supporting plate.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance the most according to claim 1, it is characterized in that: the both sides being positioned at part of planting are separately provided for recording the cmos camera of two transplanting mechanism seedling needle tip movement locus about part of planting, and are provided with thin plate between two transplanting mechanisms.
A kind of high-speed rice seedling planter test bench for detecting comprehensive performance the most according to claim 1, it is characterised in that: being provided with the leading screw that motor controls on described main frame body, leading screw is set with feed screw nut, described feed screw nut is fixing with supporting plate to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591003.1A CN105910837A (en) | 2015-09-15 | 2015-09-15 | High-speed rice transplanter comprehensive performance detection test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591003.1A CN105910837A (en) | 2015-09-15 | 2015-09-15 | High-speed rice transplanter comprehensive performance detection test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910837A true CN105910837A (en) | 2016-08-31 |
Family
ID=56743983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510591003.1A Pending CN105910837A (en) | 2015-09-15 | 2015-09-15 | High-speed rice transplanter comprehensive performance detection test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910837A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101842A (en) * | 2017-06-22 | 2017-08-29 | 内蒙古农业大学 | The transplanting performance test methods and system of transplanter |
| CN108332984A (en) * | 2018-04-08 | 2018-07-27 | 浙江大学 | Equipment-soil active force soil bin test detection device and its method |
| CN109034346A (en) * | 2018-07-10 | 2018-12-18 | 华南农业大学 | The accurate rice transplanting counting device of rice transplanter and method of counting |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3912230B2 (en) * | 2002-08-30 | 2007-05-09 | 井関農機株式会社 | Vibration detector |
| CN101629873A (en) * | 2009-08-12 | 2010-01-20 | 江苏大学 | Test bench for detecting comprehensive performance of transplanter |
| CN102124847A (en) * | 2011-01-30 | 2011-07-20 | 重庆博沃发动机配件制造有限公司 | Electric step transplanter |
| CN102197732A (en) * | 2011-06-07 | 2011-09-28 | 安徽农业大学 | Box moving mechanism for high-speed rice transplanter capable of regulating row spacing |
| CN202075141U (en) * | 2011-04-08 | 2011-12-14 | 柳州五菱柳机动力有限公司 | Multifunctional on-load test stand for transplanting machine |
| CN202485916U (en) * | 2011-04-08 | 2012-10-10 | 柳州五菱柳机动力有限公司 | Rice transplanter on-load multifunctional test stand |
| CN202958169U (en) * | 2012-11-23 | 2013-06-05 | 山东英胜机械有限公司 | Intermittent box shifting mechanism of rice transplanter |
| CN103245521A (en) * | 2013-04-25 | 2013-08-14 | 安徽农业大学 | Performance testing device and detecting system for transplanting mechanism of rice transplanter |
| CN104897427A (en) * | 2015-06-20 | 2015-09-09 | 石河子大学 | Machine vision-based transplanter test bed |
-
2015
- 2015-09-15 CN CN201510591003.1A patent/CN105910837A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3912230B2 (en) * | 2002-08-30 | 2007-05-09 | 井関農機株式会社 | Vibration detector |
| CN101629873A (en) * | 2009-08-12 | 2010-01-20 | 江苏大学 | Test bench for detecting comprehensive performance of transplanter |
| CN102124847A (en) * | 2011-01-30 | 2011-07-20 | 重庆博沃发动机配件制造有限公司 | Electric step transplanter |
| CN202075141U (en) * | 2011-04-08 | 2011-12-14 | 柳州五菱柳机动力有限公司 | Multifunctional on-load test stand for transplanting machine |
| CN202485916U (en) * | 2011-04-08 | 2012-10-10 | 柳州五菱柳机动力有限公司 | Rice transplanter on-load multifunctional test stand |
| CN102197732A (en) * | 2011-06-07 | 2011-09-28 | 安徽农业大学 | Box moving mechanism for high-speed rice transplanter capable of regulating row spacing |
| CN202958169U (en) * | 2012-11-23 | 2013-06-05 | 山东英胜机械有限公司 | Intermittent box shifting mechanism of rice transplanter |
| CN103245521A (en) * | 2013-04-25 | 2013-08-14 | 安徽农业大学 | Performance testing device and detecting system for transplanting mechanism of rice transplanter |
| CN104897427A (en) * | 2015-06-20 | 2015-09-09 | 石河子大学 | Machine vision-based transplanter test bed |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101842A (en) * | 2017-06-22 | 2017-08-29 | 内蒙古农业大学 | The transplanting performance test methods and system of transplanter |
| CN108332984A (en) * | 2018-04-08 | 2018-07-27 | 浙江大学 | Equipment-soil active force soil bin test detection device and its method |
| CN109034346A (en) * | 2018-07-10 | 2018-12-18 | 华南农业大学 | The accurate rice transplanting counting device of rice transplanter and method of counting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201919376U (en) | Stock seed and spike seed pairing device based on visual sense | |
| CN105910837A (en) | High-speed rice transplanter comprehensive performance detection test stand | |
| US7938075B1 (en) | Automated seed detection and planting synchronization apparatus, method and system | |
| CN109104954A (en) | Garlic orients charge seed mechanism and control method | |
| CN101545869B (en) | Embedded machine vision printing quality intelligent detecting system | |
| CN207911319U (en) | Self-propelled seed metering device test bed | |
| CN102124907B (en) | Vision based stock seedling and cion seedling matching device | |
| CN207408272U (en) | Rice grain shape parameter measuring apparatus based on linear array camera and X-ray Double-mode imaging | |
| CN104897427B (en) | Machine vision-based transplanter test bed | |
| CN207293464U (en) | There is the wheel hub material path of surely middle and angular centering function | |
| CN201711292U (en) | Pen point sorting machine | |
| CN108260386A (en) | A kind of hand type ordered seedling throwing machine | |
| CN116671318A (en) | Intelligent monitoring and positioning marking system and method for seed discharging performance of garlic planter | |
| CN102507238B (en) | Sowing precision detection system and method based on soil matrix | |
| CN209170884U (en) | Garlic orients mechanism of charging seed | |
| CN109030065A (en) | A kind of Soil K+adsorption equipment for being detected to deep soil | |
| CN107117444B (en) | Automatic seedling tray conveying device of transplanting machine | |
| CN206354010U (en) | A kind of end effector of fruit and vegetable picking robot | |
| CN109030064A (en) | A kind of Soil K+adsorption equipment | |
| CN201149549Y (en) | Experimental rig for seed-husking separation of minitype materiel | |
| CN216116795U (en) | Adjustable lifting type soil tank test bed for detecting performances of multiple test platforms | |
| CN107884231A (en) | Can box haul change biologic grain collector | |
| CN207610669U (en) | A kind of oil pumping rod of oil tube length self-operated measuring unit | |
| CN101008605A (en) | Transmission system of automatic counter for counting milk somatic cell/bacteria with direct microscopic examination and transmission method of milk sample and slide glass | |
| CN107884233A (en) | Biologic grain circle collection storehouse in a kind of air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
|
| RJ01 | Rejection of invention patent application after publication |