CN102696572A - Self-propelled boom sprayer - Google Patents
Self-propelled boom sprayer Download PDFInfo
- Publication number
- CN102696572A CN102696572A CN2012102101370A CN201210210137A CN102696572A CN 102696572 A CN102696572 A CN 102696572A CN 2012102101370 A CN2012102101370 A CN 2012102101370A CN 201210210137 A CN201210210137 A CN 201210210137A CN 102696572 A CN102696572 A CN 102696572A
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- oil cylinder
- spray boom
- rod
- self
- cylinder
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- 239000007921 spray Substances 0.000 claims description 46
- 238000001802 infusion Methods 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract 1
- 235000013399 edible fruits Nutrition 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 244000037666 field crops Species 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention relates to a self-propelled boom sprayer, which belongs to the technical field of plant protection machinery. A spraying device frame is mounted on a gantry of the sprayer; the spraying device frame is provided with an upper horizontal beam rail and a lower horizontal beam rail fixedly connected with each other; the middle part of the upper horizontal beam rail is connected with the upper end of a piston rod of a vertical oil cylinder; the two ends of the upper and the lower horizontal beam rails form horizontal moving pairs together with an upper and a lower sliding rods respectively; the upper and the lower sliding rods are fixedly connected through an upright rod, and the middle part of the upright rod is connected with the external end of a piston rod of a horizontal oil cylinder; the external end of the upper horizontal sliding rod is hinged with a cylinder body of one rototary oil cylinder; the external end of the lower horizontal sliding rod is hinged with the inner end of a deformation spraying rod; the external extending end of the piston rod of the rotary oil cylinder is hinged with the middle part of the deformation spraying rod; and nozzles distributed at intervals and gas-pockets which discharge gas towards the nozzles are mounted on the horizontal spraying rod and the transformation spraying rod below the lower horizontal beam rail. The self-propelled boom sprayer has the characteristics of good adaptability, wide application range, convenience in operation and good fog drop drifting effect.
Description
Technical field
The present invention relates to a kind of sprayer, especially a kind of self-propelled boom sprayer belongs to the equipment for plant protection technical field.
Background technology
The pest control equipment operation effectiveness directly has influence on growth and the results of crop, in case prevent and treat untimely or control efficiency bad, will make crop failure.Boom sprayer is as a kind of important pest control equipment, and its application is increasingly extensive, is mainly used in the land for growing field crops extermination of disease and insect pest.Mainly there is following shortcoming in existing boom sprayer: function singleness, use face is narrow and float of mist droplet is serious.
Retrieval finds, application number is that 201010132576.5 one Chinese patent application discloses a kind of spray boom formula sprayer, comprises suspension assembly, plural spray boom air curtain assembly and soup delivery assembly and air-supply assembly; The soup delivery assembly is connected with flexible air curtain pipe with separately flexible joint nozzle respectively with the air-supply assembly and communicates, with spray area and the line-spacing variation that forms multiple shape.Yet in fact, this technical scheme automaticity is low, can not automatically adjust to different tree-like and plant heights, causes agricultural chemicals not to be sprayed on the target fully.
In addition; Application number is that 200910312649.6 one Chinese patent application discloses and a kind ofly can copy the fruit tree imitating precision spraying locomotive that the fruit tree shape is sprayed; Comprise motor vehicle; Motor-vehicle chassis is provided with the fan supporting rod that is erected at tree crown one side, and horizontal actuating unit that laterally moves that moves is connected fan supporting rod along the chassis with driving it; Be fixed with loop bar on the fan supporting rod, rotating guide is rotationally connected in the loop bar; Rotating guide is connected with the revolving power mechanism that drives its rotation; Be used to wrap the top of cage tree crown and the profile modeling spray bar of opposite side is hinged on rotating guide, rotating guide and drive its oscilaltion actuating unit and be connected around aforementioned pin joint swing; Fan supporting rod and profile modeling spray bar are provided with the fan to the tree crown blowing, and shower nozzle is set on the fan; Shower nozzle is connected with the delivery tube that is in series with spray liquid medicine pump.Yet this technical scheme can only be to the fruit tree operation of spraying, and being not suitable for field crop (wheat, paddy rice etc.) and fruit tree is the seedling operation, and function is more single.Experiment shows; When fruit tree is seedling; Loop bar in its monosymmetric ∏ type mechanism can not move up and down (motion adjustment that can only be through rotating guide its about distance); The height that therefore can not be fit to the fruit tree seedling is lost in the air to the droplet that the sprayer unit that is installed in the ∏ type mechanism is produced in a large number; On the other hand because its sprayer unit is a kind of many nozzle structures of ring-type that fan is installed; Fan generation high velocity air driving droplet travels forward during operation; And seedling fruit tree leaf is less; Canopy is thin, and the droplet under high velocity air drives has only a small amount of can being sprayed on the canopy target, and great majority will be sprayed onto in ground and the air.
Summary of the invention
The objective of the invention is: provide a kind of applied widely, anti-droplet drift effect good, and control self-propelled easily boom sprayer.
In order to achieve the above object; Boom sprayer of the present invention comprises the portal frame that is placed in the motor-vehicle chassis rear end; The flusher framework that constitutes vertical moving sets with it is housed on the said portal frame, and said flusher framework has the upper and lower horizontal beam rail that is connected each other; Said middle part of going up the horizontal beam rail is connected with the piston rod upper end of vertical oil cylinder; The two ends of said upper and lower horizontal beam rail constitute with the upper and lower horizontal sliding bar of left and right symmetrical distribution respectively and move horizontally pair; Said upper and lower horizontal sliding bar is fixedly connected through vertical rod, and the middle part of said vertical rod is connected with the piston rod outer end of cross cylinder; The outer end of said upward horizontal sliding bar and the cylinder body of rotary oil cylinder are hinged, and the outer end of said horizontal sliding bar down is inner hinged with the distortion spray boom, and the piston rod overhanging end of said rotary oil cylinder and the middle part of said distortion spray boom are hinged; Horizontal spray boom under the said down horizontal beam rail and said distortion spray boom are equipped with nozzle spaced apart and can be towards the air bag of nozzle direction air-out; Said nozzle is communicated with medicine-chest infusion pump on being placed in motor vehicle through woven hose, and said air bag is communicated with aerating device through conduit; When the piston of said rotary oil cylinder was in retracted mode, said distortion spray boom was in stand up position; When the piston of said rotary oil cylinder is in when stretching out state fully, said distortion spray boom is horizontal.
During use; Not only the height of flusher and position, the left and right sides are all adjustable; And when needs spray differing heights crops such as fruit tree or seedling, can the distortion spray boom be regulated arbitrarily between 0～90 ° of corner, thus adaptability good, applied widely, control conveniently; And the air-flow by air bag is emitted can evenly be pushed the droplet of nozzle ejection to crop, and anti-droplet drift effect is good.
The present invention further improves, and described horizontal spray boom is equipped with ultrasonic transmitter and ultrasonic sensor with being out of shape on the spray boom, and the signal output part of said ultrasonic sensor connects the controlled end of said each oil cylinder respectively through control circuit.Further perfect of the present invention be, between each nozzle of said horizontal spray boom and distortion spray boom magnetic valve is housed, and the signal output part of said ultrasonic sensor also connects the controlled end of said each magnetic valve respectively through control circuit.Like this, not only can survey the distance of shower nozzle according to the ultrasonic sensor-based system to crop, thereby through the control oil cylinder; Shower nozzle is adjusted to correct position automatically, can also spray, guarantee that effectively droplet is sprayed on the target through the segmentation of solenoid control spray boom; Significantly reduce the invalid drift of droplet; Guarantee spray effect, practice thrift pesticide dosage, reduce environmental pollution.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is out of shape the deployed condition structural representation of spray boom for Fig. 1 embodiment.
Embodiment
Embodiment one
The self-propelled boom sprayer of present embodiment such as Fig. 1 are to shown in Figure 3; Comprise the portal frame 1 that is placed in motor-vehicle chassis 0 rear end; The flusher framework 2 that constitutes vertical moving sets with it is housed on the portal frame 1, and flusher framework 2 has upper and lower horizontal beam rail 2-1 and the 2-2 that is connected each other.The middle part of last horizontal beam rail 2-1 is connected with the piston rod of vertical oil cylinder 3 upper end, and the cylinder body of vertical oil cylinder 3 is placed on the motor-vehicle chassis 0.The two ends of upper and lower horizontal beam rail 2-1,2-1 constitute with the upper and lower horizontal sliding bar 2-3 of left and right symmetrical distribution, 2-4 respectively and move horizontally pair.Upper and lower horizontal sliding bar 2-3,2-4 are fixedly connected through vertical rod 2-5.The middle part of vertical rod 2-5 is connected with the piston rod outer end of cross cylinder 4, and the cylinder body of cross cylinder 4 is fixed on the flusher framework 2.The cylinder body of the outer end of last horizontal sliding bar 2-3 and rotary oil cylinder 5 is hinged, and the outer end of following horizontal sliding bar 2-4 is inner hinged with distortion spray boom 6, and the piston rod overhanging end of rotary oil cylinder 5 is hinged with the middle part of distortion spray boom 6.Following horizontal beam rail 2-2 is equipped with nozzle 6-1 spaced apart and can be towards the air bag 6-2 of nozzle direction air-out with distortion spray boom 6; Nozzle 6-1 is communicated with medicine-chest 7 barrier film infusion pump 7-1 on being placed in motor vehicle through woven hose, and air bag 6-2 is communicated with aeration blower fan 8 through flexible conduit 8-1.Horizontal spray boom under the following horizontal beam rail 2-2 is equipped with ultrasonic transmitter and ultrasonic sensor 9 respectively with being out of shape on the spray boom 6, and the signal output part of ultrasonic echography wave sensor 9 connects the controlled end of each oil cylinder respectively through control circuit.Barrier film infusion pump 7-1 and aeration blower fan 8 are in transmission connection with hydraulic motor 7-2, the 8-1 of duplex hydraulic pump 10 feed flows respectively.In addition, the magnetic valve of control break-make is housed between each nozzle of the horizontal spray boom of present embodiment and distortion spray boom 6, the signal output part of ultrasonic sensor also connects the controlled end of each magnetic valve respectively through control circuit.
The left and right two cross cylinder coupled in series of present embodiment; Promptly the oil-out of left side cross cylinder links to each other with the oil-in of right side cross cylinder; Simultaneously the cross cylinder oil-in is installed first flow speed control valve and the first throttle valve of series connection in the left side, being synchronized with the movement of the flow speed control valve through here and two cross cylinders of throttle valve control.In addition; Left and right two rotary oil cylinders are coupled in series also; Promptly the oil-out of left side rotary oil cylinder links to each other with the oil-in of right side rotary oil cylinder; And second flow speed control valve and second choke valve are installed, being synchronized with the movement of flow speed control valve through here and throttle valve control two rotary oil cylinders on the oil-in of left side rotary oil cylinder.
During use; Can detect the profile of shrub or crop distance and trees according to ultrasonic sensor; Vertical through adjusting respectively, move horizontally pair and rotary motion pair that can displacement between 0～90 °, relative position and the distance of adjustment nozzle and shrub, the proper angle of realization spray boom and tree crown; Reach the optimum state of spraying, can spray through the segmentation of solenoid control spray boom simultaneously.Its typical location status when the piston of rotary oil cylinder is in retracted mode, is out of shape spray boom and is in stand up position as shown in Figures 2 and 3; When the piston of rotary oil cylinder is in when stretching out state fully, the distortion spray boom is horizontal.
Facts have proved; The distortion boom sprayer of present embodiment makes the change in location of spray boom and air bag through the motion of deformation mechanism, thereby forms different atomizes, adapts to the plant protection spraying operation of various crops such as land for growing field crops, trees, shrub, nursery stock; And optimum distance control and air-flow propelling movement sprinkling are combined; Can effectively suppress the drift of droplet, guarantee spray effect, obviously practice thrift pesticide dosage, reduced environmental pollution.
Claims (7)
1. a self-propelled boom sprayer comprises the portal frame that is placed in the motor-vehicle chassis rear end, and the flusher framework that constitutes vertical moving sets with it is housed on the said portal frame, and said flusher framework has the upper and lower horizontal beam rail that is connected each other; Said middle part of going up the horizontal beam rail is connected with the piston rod upper end of vertical oil cylinder; The two ends of said upper and lower horizontal beam rail constitute with the upper and lower horizontal sliding bar of left and right symmetrical distribution respectively and move horizontally pair; Said upper and lower horizontal sliding bar is fixedly connected through vertical rod, and the middle part of said vertical rod is connected with the piston rod outer end of cross cylinder; The outer end of said upward horizontal sliding bar and the cylinder body of rotary oil cylinder are hinged, and the outer end of said horizontal sliding bar down is inner hinged with the distortion spray boom, and the piston rod overhanging end of said rotary oil cylinder and the middle part of said distortion spray boom are hinged; The horizontal spray boom of said down horizontal beam rail and said distortion spray boom are equipped with nozzle spaced apart and can be towards the air bag of nozzle direction air-out; Said nozzle is communicated with medicine-chest infusion pump on being placed in motor vehicle through woven hose, and said air bag is communicated with aerating device through conduit; When the piston of said rotary oil cylinder was in retracted mode, said distortion spray boom was in stand up position; When the piston of said rotary oil cylinder is in when stretching out state fully, said distortion spray boom is horizontal.
2. self-propelled boom sprayer according to claim 1; It is characterized in that: described horizontal spray boom is equipped with ultrasonic transmitter and ultrasonic sensor with being out of shape on the spray boom, and the signal output part of said ultrasonic echography wave sensor connects the controlled end of said each oil cylinder respectively through control circuit.
3. self-propelled boom sprayer according to claim 2; It is characterized in that: between each nozzle of said horizontal spray boom and distortion spray boom magnetic valve is housed, the signal output part of said ultrasonic sensor also connects the controlled end of said each magnetic valve respectively through control circuit.
4. according to claim 1,2 or 3 described self-propelled boom sprayers, it is characterized in that: the cylinder body of said vertical oil cylinder is placed on the motor-vehicle chassis, and the cylinder body of said cross cylinder is fixed on the flusher framework.
5. according to claim 1,2 or 3 described self-propelled boom sprayers; It is characterized in that: said infusion pump is the barrier film infusion pump; Said aerating device is an aeration blower fan, and said barrier film infusion pump and aeration blower fan are in transmission connection with the hydraulic motor of duplex hydraulic pump feed flow respectively.
6. self-propelled boom sprayer according to claim 5 is characterized in that: the oil-out of left side cross cylinder links to each other with the oil-in of right side cross cylinder, and said left side cross cylinder oil-in is installed first flow speed control valve and the first throttle valve of series connection.
7. self-propelled boom sprayer according to claim 6 is characterized in that: the oil-out of left side rotary oil cylinder links to each other with the oil-in of right side rotary oil cylinder, and on the oil-in of said left side rotary oil cylinder second flow speed control valve and second choke valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210137.0A CN102696572B (en) | 2012-06-21 | 2012-06-21 | Self-propelled boom sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210137.0A CN102696572B (en) | 2012-06-21 | 2012-06-21 | Self-propelled boom sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102696572A true CN102696572A (en) | 2012-10-03 |
| CN102696572B CN102696572B (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210210137.0A Expired - Fee Related CN102696572B (en) | 2012-06-21 | 2012-06-21 | Self-propelled boom sprayer |
Country Status (1)
| Country | Link |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966068A (en) * | 2012-12-13 | 2013-03-13 | 东北农业大学 | Device for removing snow and crushing ice by high-pressure air |
| CN103098786A (en) * | 2013-03-07 | 2013-05-15 | 河南省路科威公路机械制造有限公司 | Self-propelled boom sprayer and application method thereof |
| CN104322474A (en) * | 2014-11-06 | 2015-02-04 | 华南农业大学 | Air-assisted type and spraying rod type switchable sprayer |
| CN104322475A (en) * | 2014-11-06 | 2015-02-04 | 华南农业大学 | Transformable sprayer spray rod and spray rod type sprayer |
| CN104396928A (en) * | 2014-12-05 | 2015-03-11 | 重庆利贞元农林科技有限公司 | Trolley type directed insecticide spraying device for fruit tree |
| CN105114377A (en) * | 2015-09-28 | 2015-12-02 | 哈尔滨市开元节水喷灌设备制造有限公司 | Lifting mechanism of multipurpose spray irrigation towing tractor and hydraulic system thereof |
| CN105494297A (en) * | 2016-01-25 | 2016-04-20 | 太仓市金港植保器械科技有限公司 | Spray rod stabilizing and automatic-balancing device of self-propelled spray rod sprayer |
| CN106135171A (en) * | 2015-04-07 | 2016-11-23 | 天津物宗园农业科技发展有限公司 | A kind of pesticide-spraying cart |
| CN106622773A (en) * | 2016-11-19 | 2017-05-10 | 农业部南京农业机械化研究所 | Profiling spraying rod of spraying machine and control method of profiling spraying rod |
| CN108835079A (en) * | 2018-06-21 | 2018-11-20 | 山东理工大学 | A kind of novel highly automated regulating device of spray boom pesticide applicator spray boom |
| CN109042596A (en) * | 2018-08-17 | 2018-12-21 | 绩溪袁稻农业产业科技有限公司 | One kind being based on artificial intelligence gardens chemical spraying device |
| CN110583604A (en) * | 2019-09-24 | 2019-12-20 | 江苏大学 | Boom sprayer assists push rod device |
| CN110622945A (en) * | 2019-10-22 | 2019-12-31 | 吉林省农业机械研究院 | Spraying drift control device and method used in spraying process of pesticide sprayer |
| CN111482288A (en) * | 2020-04-24 | 2020-08-04 | 深圳市金阳盛环境科技有限公司 | Green's electronic car that disappears of killing |
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| CN101785450A (en) * | 2009-12-30 | 2010-07-28 | 南京农业大学 | Fruit tree imitating precision spraying locomotive |
| CN201552083U (en) * | 2009-10-11 | 2010-08-18 | 山东农业大学 | Air flow auxiliary spray bar mist sprayer |
| CN101816990A (en) * | 2010-03-26 | 2010-09-01 | 南京林业大学 | Jet rod spraying machine and jet rod replacing method thereof |
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2012
- 2012-06-21 CN CN201210210137.0A patent/CN102696572B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004194618A (en) * | 2002-12-20 | 2004-07-15 | Iseki & Co Ltd | Level controlling apparatus of chemical dispenser |
| US20060163381A1 (en) * | 2004-11-12 | 2006-07-27 | Charles Balmer | Vehicle with readily demountable sprayer |
| US20060175440A1 (en) * | 2004-12-22 | 2006-08-10 | Cnh America, Llc | Hydraulic boom stabilization device |
| CN201552083U (en) * | 2009-10-11 | 2010-08-18 | 山东农业大学 | Air flow auxiliary spray bar mist sprayer |
| CN101785450A (en) * | 2009-12-30 | 2010-07-28 | 南京农业大学 | Fruit tree imitating precision spraying locomotive |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966068A (en) * | 2012-12-13 | 2013-03-13 | 东北农业大学 | Device for removing snow and crushing ice by high-pressure air |
| CN103098786A (en) * | 2013-03-07 | 2013-05-15 | 河南省路科威公路机械制造有限公司 | Self-propelled boom sprayer and application method thereof |
| CN104322474B (en) * | 2014-11-06 | 2016-09-14 | 华南农业大学 | A kind of wind spraying aid type and the switchable spraying machine of spray rod type |
| CN104322474A (en) * | 2014-11-06 | 2015-02-04 | 华南农业大学 | Air-assisted type and spraying rod type switchable sprayer |
| CN104322475A (en) * | 2014-11-06 | 2015-02-04 | 华南农业大学 | Transformable sprayer spray rod and spray rod type sprayer |
| CN104396928A (en) * | 2014-12-05 | 2015-03-11 | 重庆利贞元农林科技有限公司 | Trolley type directed insecticide spraying device for fruit tree |
| CN106135171A (en) * | 2015-04-07 | 2016-11-23 | 天津物宗园农业科技发展有限公司 | A kind of pesticide-spraying cart |
| CN105114377A (en) * | 2015-09-28 | 2015-12-02 | 哈尔滨市开元节水喷灌设备制造有限公司 | Lifting mechanism of multipurpose spray irrigation towing tractor and hydraulic system thereof |
| CN105494297A (en) * | 2016-01-25 | 2016-04-20 | 太仓市金港植保器械科技有限公司 | Spray rod stabilizing and automatic-balancing device of self-propelled spray rod sprayer |
| CN106622773A (en) * | 2016-11-19 | 2017-05-10 | 农业部南京农业机械化研究所 | Profiling spraying rod of spraying machine and control method of profiling spraying rod |
| CN108835079A (en) * | 2018-06-21 | 2018-11-20 | 山东理工大学 | A kind of novel highly automated regulating device of spray boom pesticide applicator spray boom |
| CN109042596A (en) * | 2018-08-17 | 2018-12-21 | 绩溪袁稻农业产业科技有限公司 | One kind being based on artificial intelligence gardens chemical spraying device |
| CN110583604A (en) * | 2019-09-24 | 2019-12-20 | 江苏大学 | Boom sprayer assists push rod device |
| CN110622945A (en) * | 2019-10-22 | 2019-12-31 | 吉林省农业机械研究院 | Spraying drift control device and method used in spraying process of pesticide sprayer |
| CN111482288A (en) * | 2020-04-24 | 2020-08-04 | 深圳市金阳盛环境科技有限公司 | Green's electronic car that disappears of killing |
| CN111482288B (en) * | 2020-04-24 | 2021-05-18 | 深圳市金阳盛环境科技有限公司 | Green's electronic car that disappears of killing |
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| CN102696572B (en) | 2014-01-15 |
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Address after: 210014 No. 100 Liu Ying camp, Zhongshan, Jiangsu, Nanjing Patentee after: NANJING Research Institute FOR AGRICULTURAL MECHANIZATION MINISTRY OF AGRICULTURE Address before: 210014 No. 100 Liu Ying camp, Zhongshan, Jiangsu, Nanjing Patentee before: NANJING Research Institute FOR AGRICULTURAL MECHANIZATION MINISTRY OF AGRICULTURE |
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