CN107548952B - Slurry throwing type rice slurry seedling raising pulping machine and working method thereof - Google Patents
Slurry throwing type rice slurry seedling raising pulping machine and working method thereof Download PDFInfo
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- CN107548952B CN107548952B CN201711037072.3A CN201711037072A CN107548952B CN 107548952 B CN107548952 B CN 107548952B CN 201711037072 A CN201711037072 A CN 201711037072A CN 107548952 B CN107548952 B CN 107548952B
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Abstract
The invention relates to a slurry throwing type rice slurry seedling raising and pulping machine which comprises a rack, wherein a slurry throwing wheel is arranged on the rack, a plurality of slurry throwing blades are arranged on the slurry throwing wheel at intervals, a slurry bearing disc used for bearing slurry thrown out of the slurry throwing blades extends outwards from the middle part of the slurry throwing wheel, and a slurry filtering disc used for bearing the slurry flowing out of the slurry bearing disc extends outwards from the outer side of the slurry bearing disc; the invention also relates to a working method of the slurry throwing type rice slurry seedling raising pulping machine. The rice seedling field ditch filter is simple and reasonable in structural design, slurry is thrown by the slurry throwing wheel, and slurry in the rice seedling field ditch is filtered and then is sprayed into a rice seedling bed by combining the slurry bearing disc and the slurry filtering disc, so that the rice seedling ditch filter is efficient, convenient and easy to use, and has a wide application prospect.
Description
Technical Field
The invention relates to a slurry throwing type rice slurry seedling raising pulping machine and a working method thereof.
Background
The main planting mode of rice in China is transplanting, and the seedling raising technology is the most key link of transplanting. Currently, methods for raising seedlings for transplantation are classified into a dry soil method and a slurry method according to soil. The seedling machine that the dry soil method is cultivated is transplanted and operated high in efficiency, the rice transplanter failure rate is low, the northern area of China mainly adopts the dry soil method to carry on the factorial sprout cultivation, with the popularization of the seedling transplanting technology in recent years, improve to the requirement of the seedling, its mechanized sprout cultivation equipment develops the enthusiasm to improve thereupon, sprout cultivation equipment is becoming mature day by day, and move towards the diversification constantly; however, the cost of factory seedling raising equipment is high, and soil needs to be dried in the sun, so that the factory seedling raising equipment is not suitable for humid and rainy climate and soil conditions with sticky soil in southern areas of China. The mud method is adopted for field seedling raising, so that the cost is low, the seedling quality is stable, and the method is not limited by weather conditions, so that the mud method is mainly adopted for field seedling raising in the south of China. At present, the mechanization degree of seedling raising by a mud method is low, and the mud in a paddy field contains impurities such as stones, roots, straws and the like, so that seedling claws of a rice transplanter are easily stuck or even damaged, and the efficiency of rice transplanting operation is influenced.
According to statistics of agricultural management department of Ministry of agriculture in 2015, the mechanized level of rice planting in China is only 38%, which is related to climate, geological conditions, rice seedling raising modes and other factors in China. The data show that the mechanized level of rice planting is still low, which becomes a key problem to be solved urgently in the south of China. Although the mechanized operation level of field seedling raising in China has no exact statistical data, the mechanized operation level is absolutely not higher than the mechanized operation level of rice planting. The mechanization level of the mud method for cultivating seedlings between seedling beds in the south of China is lower, most of the mud method still depends on manual operation, and the mud method is not flexible and low in efficiency.
The existing field seedling raising generally comprises the following steps: cultivating and arranging the seedling bed, preparing slurry, filtering the slurry, pouring the slurry into the seedling bed, sowing seeds and the like. The mud preparation, mud filtration and mud pouring are important links for field seedling raising, but the steps have high labor intensity and bring much inconvenience to farmers; but also is difficult to filter impurities such as stones, stubbles, straws and the like mixed in the mud of the paddy field, easily causes the failure of the rice transplanter, reduces the rice transplanting efficiency and influences the rice transplanting quality. The labor intensity of manual seedling raising operation is high, and the mechanization level is low. Facing increasing labor cost, improving seedling raising efficiency, reducing waste of manpower and material resources, and accelerating promotion of field seedling raising and pulping mechanization in order to adapt to high-speed development of rice transplanting technology of a rice machine.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a slurry throwing type rice slurry seedling raising pulping machine and a working method thereof, which are reasonable in structural design, efficient and convenient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the slurry throwing type rice slurry seedling raising and pulping machine comprises a machine frame, wherein a slurry throwing wheel is arranged on the machine frame, a plurality of slurry throwing blades are arranged on the slurry throwing wheel at intervals, a slurry bearing disc used for bearing slurry thrown out from the slurry throwing blades extends outwards from the middle of the slurry throwing wheel, and a slurry filtering disc used for bearing slurry flowing out from the slurry bearing disc extends out of the slurry bearing disc.
Preferably, the outer sides of the slurry throwing wheel and the slurry bearing disc are covered with a conical cover.
Preferably, the pulp bearing disc is provided with a drainage part bent upwards.
Preferably, a plurality of filtering holes are arranged on the pulp filtering disc at intervals.
Preferably, the machine frame is provided with a lifting type resistance rod at the rear side of the slurry throwing wheel, the lower portion of the lifting type resistance rod is provided with an arc bending portion bending backwards, a plurality of depth adjusting holes are arranged on the lifting type resistance rod along the length direction of the lifting type resistance rod at intervals, a depth adjusting sleeve used for the lifting type resistance rod to longitudinally penetrate through is arranged on the machine frame, and a depth adjusting bolt used for being in threaded connection with the depth adjusting holes is arranged on the depth adjusting sleeve.
Preferably, the rack is provided with a gasoline engine, a main engine gearbox and a rear gearbox which are sequentially connected, the main engine gearbox and the rear gearbox are connected through a transmission shaft and a coupler, and the rear gearbox is connected with the flail wheel through a first transmission box.
Preferably, the frame is detachably connected with a walking wheel or a rotary tillage wheel at the front side of the paddle wheel, the walking wheel or the rotary tillage wheel is provided with a shaft sleeve, the shaft sleeve is sleeved outside the rotating shaft, the rear gearbox is connected with the rotating shaft through a second transmission case, a plurality of interval adjusting holes are arranged on the shaft sleeve at intervals along the length direction of the shaft sleeve, and the rotating shaft is provided with interval adjusting screws in threaded connection with the interval adjusting holes.
Preferably, a plurality of walking teeth are arranged on the walking wheel along the wheel edge at intervals, the walking teeth are semicircular, and connecting pieces are arranged at two ends of the walking teeth.
Preferably, the frame is provided with a handrail.
A working method of a slurry throwing type slurry rice seedling raising pulping machine comprises any one of the slurry throwing type slurry rice seedling raising pulping machine, and comprises the following steps: the slurry throwing wheel rotates, the slurry throwing blades throw slurry in the paddy field furrow upwards from the lower part of the slurry throwing wheel, the upward thrown slurry falls onto the slurry bearing disc under the action of gravity, the slurry in the slurry bearing disc flows to the slurry filtering disc, and the filtered slurry is sprayed into the seedling bed beside the paddy field furrow by the slurry filtering disc.
Compared with the prior art, the invention has the following beneficial effects: the rice seedling field furrow slurry throwing device is simple and reasonable in structural design, adopts the slurry throwing wheel to throw slurry, combines the slurry bearing disc and the slurry filtering disc to filter slurry in the rice seedling field furrow and then sprinkle the filtered slurry to the rice seedling bed, is efficient, convenient and easy to use, and has wide application prospect.
The invention is described in further detail below with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the structure of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a flail wheel and a walking wheel in the embodiment of the invention.
FIG. 3 is a schematic view of the conical cover according to the embodiment of the present invention.
FIG. 4 is a schematic view of the structure of a flail wheel and a conical cover according to an embodiment of the present invention.
FIG. 5 is a schematic view of the structure of the flail wheel and the cone cover according to the embodiment of the present invention.
FIG. 6 is a schematic view of a rotary tillage wheel according to an embodiment of the present invention.
In the figure: 1-frame, 2-slurry throwing wheel, 3-slurry throwing blade, 4-slurry bearing disc, 5-slurry filtering disc, 6-conical cover cap, 7-filtering hole, 8-lifting resistance rod, 9-depth adjusting hole, 10-depth adjusting sleeve, 11-depth adjusting bolt, 12-gasoline engine, 13-main engine gearbox, 14-rear gearbox, 15-first transmission case, 16 a-traveling wheel, 16 b-rotary tillage wheel, 17-shaft sleeve, 18-rotating shaft, 19-second transmission case, 20-spacing adjusting hole, 21-spacing adjusting screw, 22-traveling tooth and 23-handrail.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 6, a slurry throwing type slurry maker for rice slurry seedling raising comprises a frame 1, wherein a slurry throwing wheel 2 is arranged on the frame 1, a plurality of slurry throwing blades 3 are arranged on the slurry throwing wheel 2 at intervals, a slurry bearing disc 4 used for bearing slurry thrown from the slurry throwing blades 3 extends out of the middle of the slurry throwing wheel 2, and a slurry filtering disc 5 used for bearing slurry flowing out of the slurry bearing disc 4 extends out of the slurry bearing disc 4.
In the embodiment of the invention, the tail ends of the slurry throwing blades 3 are provided with arc-shaped bending parts which are bent outwards, preferably, the number of the slurry throwing blades 3 is 9 to 12, the structure of the slurry throwing blades is not limited to the above, and the slurry throwing blades have a slurry throwing function.
In the embodiment of the invention, the outer sides of the slurry throwing wheel 2 and the slurry bearing disc 4 are covered with a conical cover cap 6, the slurry bearing disc 4 and the conical cover cap 6 are integrally manufactured or fixedly connected, the slurry bearing disc 4 is fixedly connected with the slurry filtering disc 5, and the conical cover cap 6 is hinged with the frame 1 through a hinge, so that slurry in the slurry bearing disc 4 can smoothly flow into the slurry filtering disc 5 by adjusting the inclination angle of the conical cover cap 6 relative to the horizontal line, wherein the inclination angle is preferably 10-15 degrees, and the inclination angle of the slurry bearing disc 4 and the slurry filtering disc 5 relative to the horizontal line is adjusted, and when the conical cover cap 6, the slurry bearing disc 4 and the slurry filtering disc 5 are not used, the conical cover cap 6, the slurry bearing disc 4 and the slurry filtering disc 5 can also be folded upwards, so that the whole machine can conveniently walk; the hinged part of the conical cover cap 6 and the frame 1 is in transition fit, and slurry in the slurry bearing disc 4 and the slurry filtering disc 5 is not enough to change the inclined angles of the conical cover cap 6, the slurry bearing disc 4 and the slurry filtering disc 5 relative to the horizontal line, so that the inclined angles can be adjusted only by applying a certain external force by a user; the hinged part of the conical cover 6 and the frame 1 is connected by a hinge with a lock.
In the embodiment of the invention, an opening which is communicated with the slurry bearing disc 4 and the slurry filtering disc 5 and is convenient for slurry to pass through is arranged between the slurry bearing disc and the slurry filtering disc.
In the embodiment of the invention, the pulp bearing disc 4 is provided with a drainage part bent upwards; the conical cover cap 6 and the drainage part of the slurry bearing disc 4 are beneficial to turning back the slurry thrown out from the slurry throwing blades 3 to the slurry bearing disc 4, the slurry throwing efficiency is improved, the conical cover cap 6 plays a role in safety protection on one hand, and the conical cover cap 6 plays a role in slurry gathering on the other hand.
In the embodiment of the invention, a plurality of filtering holes 7 are arranged on the slurry filtering disc 5 at intervals, the slurry filtering disc 5 screens impurities such as stones, stubbles and straws mixed with slurry, and sprays the fine slurry after being fully screened to the seedling bed.
In the embodiment of the invention, a lifting type resistance rod 8 is arranged on the rear side of a slurry throwing wheel 2 of a machine frame 1, an arc-shaped bending part which is bent backwards is arranged at the lower part of the lifting type resistance rod 8, a plurality of depth adjusting holes 9 are arranged on the lifting type resistance rod 8 at intervals along the length direction of the lifting type resistance rod 8, a depth adjusting sleeve 10 for the lifting type resistance rod 8 to longitudinally penetrate is arranged on the machine frame 1, and a depth adjusting bolt 11 for being in threaded connection with the depth adjusting holes 9 is arranged on the depth adjusting sleeve 10; selecting one suitable depth adjusting hole 9 to be matched with the depth adjusting bolt 11, so as to adjust the depth of the lifting resistance rod 8 penetrating into the paddy field furrow; the larger the depth of the lifting resistance rod 8 penetrating into the paddy field furrows is, the larger the resistance force on the whole machine is, the smaller the depth of the lifting resistance rod 8 penetrating into the paddy field furrows is, the smaller the resistance force on the whole machine is, and therefore the feeding speed of the whole machine can be adjusted.
In the embodiment of the invention, a gasoline engine 12, a main engine gearbox 13 and a rear gearbox 14 which are sequentially connected are arranged on the frame 1, the main engine gearbox 13 is connected with the rear gearbox 14 through a transmission shaft and a coupler, and the rear gearbox 14 is connected with the flail wheel 2 through a first transmission box 15; that is to say, the output shaft of the gasoline engine 12 is connected with the input shaft of the main engine gearbox 13 through a coupler, the output shaft of the main engine gearbox 13 is connected with the input shaft of the rear gearbox 14 through a coupler, one output shaft of the rear gearbox 14 is connected with the input shaft of the first transmission case 15 through a coupler, and the other output shaft of the rear gearbox 14 is connected with the input shaft of the second transmission case 19 through a coupler; power is transmitted to the slurry throwing wheel 2 from the gasoline engine 12 through the main engine gearbox 13, the rear gearbox 14 and the first transmission case 15 to drive the slurry throwing wheel 2 to rotate; the main gearbox 13 and the rear gearbox 14 both adopt existing gearboxes, and the first gearbox 15 and the second gearbox 19 can adopt gear gearboxes, such as bevel gear assemblies, to realize transmission.
In the embodiment of the invention, the front side of the paddle throwing wheel 2 of the frame 1 is detachably connected with a walking wheel 16a or a rotary tillage wheel 16b, the walking wheel 16a or the rotary tillage wheel 16b is provided with a shaft sleeve 17, the shaft sleeve 17 is sleeved outside a rotating shaft 18, the rear gearbox 14 is connected with the rotating shaft 18 through a second transmission case 19, and power is transmitted to the rotating shaft 18 from the gasoline engine 12 through the main engine gearbox 13, the rear gearbox 14 and the second transmission case 19 to drive the rotating shaft 18 to rotate; a plurality of distance adjusting holes 20 are arranged on the shaft sleeve 17 at intervals along the length direction of the shaft sleeve, and distance adjusting screws 21 used for being in threaded connection with the distance adjusting holes 20 are arranged on the rotating shaft 18; the travelling wheels 16a are convenient for the whole machine to travel, and the rotary tillage wheels 16b are convenient for beating the cement soil into a slurry shape; when the device is used, the rotary tillage wheel 16b can be matched with the slurry throwing wheel 2 to realize simultaneous pulping and slurry sprinkling, and the walking wheel 16a can be matched with the slurry throwing wheel 2 to realize slurry sprinkling, so that the flexibility is good; the relative position of the shaft sleeve 17 and the rotating shaft 18 is adjusted by drawing, and a proper distance adjusting hole 20 is selected to be matched with a distance adjusting screw 21, so that the distance between the two walking wheels 16a or the distance between the two rotary tillage wheels 16b is adjusted to adapt to the distance between the seedling beds; the output shaft of the second transmission case 19 is connected with a rotating shaft 18 through a coupler, and the walking wheels 16a or the rotary tillage wheels 16b are detachably connected through a shaft sleeve 17, the rotating shaft 18, an interval adjusting hole 20 and an interval adjusting screw 21.
In the embodiment of the invention, the walking wheels 16a are provided with a plurality of walking teeth 22 at intervals along the wheel edges, the walking teeth 22 are semicircular, and connecting pieces are arranged at two ends of the walking teeth 22, so that the structure design is reasonable, the strength is high, the holding power is good, and the walking in the furrow of the paddy field is convenient.
In the embodiment of the present invention, the frame 1 is provided with a handrail 23.
In the embodiment of the invention, the two sides of the frame 1 are symmetrically provided with the flail wheels 2, the two sides of the frame 1 are symmetrically provided with the travelling wheels 16a or the rotary tillage wheels 16b, and preferably, the flail wheel 2 positioned on one side and the rotary tillage wheels 16b are coaxially arranged, so that slurry produced by the rotary tillage wheels 16b can be taken away by the flail wheels 2.
In the embodiment of the invention, the number of the slurry throwing blades 3, the number of the filter holes 7, the number of the depth adjusting holes 9 and the number of the traveling teeth 22 are determined according to actual conditions, preferably, the number of the slurry throwing blades 3 is 9 to 12, the number of the filter holes 7 is 100 to 200, the number of the depth adjusting holes 9 is 8 to 12, and the number of the traveling teeth 22 is 10 to 12, but not limited thereto.
In an embodiment of the present invention, an operating method of a slurry throwing type slurry rice seedling raising pulping machine includes any one of the slurry throwing type slurry rice seedling raising pulping machines described above, including the following steps: the rotary tillage wheel 16b is installed for beating, and the rotary tillage wheel 16b is matched with the slurry throwing wheel 2 for beating and spraying; the walking wheels 16a are used for replacing the rotary tillage wheels 16b, and the walking wheels 16a are matched with the slurry throwing wheel 2 to realize slurry spraying; when slurry is sprayed, the slurry throwing wheel 2 rotates, the slurry throwing blades 3 throw slurry in the paddy field furrow upwards from the lower part of the slurry throwing wheel 2, the upward thrown slurry falls onto the slurry bearing disc 4 under the action of gravity, the slurry in the slurry bearing disc 4 flows to the slurry filtering disc 5, and the filtered slurry is sprayed into a seedling bed beside the paddy field furrow by the slurry filtering disc 5.
The invention is not limited to the above best mode, and other various forms of slurry throwing type rice slurry seedling raising pulping machine and working method thereof can be obtained by anyone based on the teaching of the invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (4)
1. A working method of a slurry throwing type rice slurry seedling raising pulping machine is characterized by comprising the following steps: the slurry throwing type rice slurry seedling raising and pulping machine comprises a frame, wherein a slurry throwing wheel is arranged on the frame, a plurality of slurry throwing blades are arranged on the slurry throwing wheel at intervals, a slurry bearing disc used for bearing slurry thrown out of the slurry throwing blades extends outwards from the middle part of the slurry throwing wheel, and a slurry filtering disc used for bearing the slurry flowing out of the slurry bearing disc extends outwards from the outer side of the slurry bearing disc;
the pulp bearing disc is provided with a drainage part bent upwards;
a plurality of filtering holes are arranged on the pulp filtering disc at intervals;
the machine frame is provided with a lifting type resistance rod at the rear side of the slurry throwing wheel, the lower part of the lifting type resistance rod is provided with an arc-shaped bending part which is bent backwards, a plurality of depth adjusting holes are arranged on the lifting type resistance rod at intervals along the length direction of the lifting type resistance rod, a depth adjusting sleeve for the lifting type resistance rod to longitudinally penetrate through is arranged on the machine frame, and a depth adjusting bolt which is in threaded connection with the depth adjusting holes is arranged on the depth adjusting sleeve;
the frame is provided with a gasoline engine, a main engine gearbox and a rear gearbox which are sequentially connected, the main engine gearbox and the rear gearbox are connected through a transmission shaft and a coupler, and the rear gearbox is connected with a throwing wheel through a first transmission box;
the machine frame is detachably connected with a walking wheel or a rotary tillage wheel at the front side of the slurry throwing wheel, the walking wheel or the rotary tillage wheel is provided with a shaft sleeve, the shaft sleeve is sleeved outside the rotating shaft, the rear gearbox is connected with the rotating shaft through a second transmission case, a plurality of interval adjusting holes are arranged on the shaft sleeve at intervals along the length direction of the shaft sleeve, and interval adjusting screws used for being in threaded connection with the interval adjusting holes are arranged on the rotating shaft;
the working method comprises the following steps: the slurry throwing wheel rotates, the slurry throwing blades throw slurry in the paddy field furrow upwards from the lower part of the slurry throwing wheel, the upward thrown slurry falls onto the slurry bearing disc under the action of gravity, the slurry in the slurry bearing disc flows to the slurry filtering disc, and the filtered slurry is sprayed into the seedling bed beside the paddy field furrow by the slurry filtering disc.
2. The working method of the slurry throwing type rice slurry seedling raising pulping machine according to claim 1, characterized in that: the outer sides of the slurry throwing wheel and the slurry bearing disc are covered with a conical cover.
3. The working method of the slurry throwing type rice slurry seedling raising pulping machine according to claim 1, characterized in that: the walking wheel is provided with a plurality of walking teeth at intervals along the wheel edge, the walking teeth are semicircular, and connecting pieces are arranged at two ends of the walking teeth.
4. The working method of the slurry throwing type rice slurry seedling raising pulping machine according to claim 1, characterized in that: the frame is provided with a handrail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711037072.3A CN107548952B (en) | 2017-10-30 | 2017-10-30 | Slurry throwing type rice slurry seedling raising pulping machine and working method thereof |
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| CN201711037072.3A CN107548952B (en) | 2017-10-30 | 2017-10-30 | Slurry throwing type rice slurry seedling raising pulping machine and working method thereof |
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| CN107548952A CN107548952A (en) | 2018-01-09 |
| CN107548952B true CN107548952B (en) | 2022-11-11 |
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| CN108901757B (en) * | 2018-06-19 | 2020-07-14 | 湖南农业大学 | Rice field seedling raising slurry screening method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2475592Y (en) * | 2001-04-25 | 2002-02-06 | 苑凤山 | Adjustable wheelspan wheel-type tractor front axle |
| CN101002523A (en) * | 2006-12-05 | 2007-07-25 | 都灵 | Miniature farm machinery |
| CN201515599U (en) * | 2009-10-16 | 2010-06-30 | 孙定忠 | Mini-tiller resistance bar mechanism |
| CN101746210A (en) * | 2010-01-21 | 2010-06-23 | 黎明恒 | Traveling wheel of farm machine |
| CN102577870A (en) * | 2012-01-31 | 2012-07-18 | 华南农业大学 | Mud spreader for seedling raising |
| CN203105081U (en) * | 2012-11-06 | 2013-08-07 | 中国石油大学(华东) | Novel garlic furrow opener |
| CN203435316U (en) * | 2013-09-16 | 2014-02-19 | 云南添穗机械制造有限公司 | Resistance bar connecting rod of mini-tiller |
| CN203675559U (en) * | 2014-01-14 | 2014-07-02 | 辽宁科技大学 | Multifunctional micro tilling seeder |
| CN104303888B (en) * | 2014-10-13 | 2016-04-20 | 湘潭农富农业机械科技有限公司 | A kind of rice field seedling nutritive mud sabot Multi Role Aircraft |
| CN104350824B (en) * | 2014-12-05 | 2016-08-17 | 福建农林大学 | The Oryza sativa L. sposh seedling cultivation machine of a kind of band centric slider-crank mechanism and using method thereof |
| CN104885686A (en) * | 2015-04-28 | 2015-09-09 | 中国农业大学 | Double-drum soil-sieving harvesting device |
| CN205168039U (en) * | 2015-12-03 | 2016-04-20 | 重庆华世丹机械制造有限公司 | Crawler wheel |
| CN205329599U (en) * | 2016-01-26 | 2016-06-22 | 丁冬琳 | Broken collection device of strong soil of road |
| CN205883867U (en) * | 2016-06-28 | 2017-01-18 | 张培坤 | Self -propelled drive wheel for micro plough machine |
| CN206111195U (en) * | 2016-08-30 | 2017-04-19 | 中铁十九局集团矿业投资有限公司 | Bulldozing car for tunnel construction |
| CN106234071A (en) * | 2016-09-19 | 2016-12-21 | 福建农林大学 | Utilize paddy field pulper and the pulping process of crank and translating guide-bar mechanism arc exciting |
| CN206498685U (en) * | 2017-03-02 | 2017-09-19 | 眉山市东坡区创富农机服务专业合作社 | A kind of harvesting device with the native function of travelling sieve |
| CN207443774U (en) * | 2017-10-30 | 2018-06-05 | 福建农林大学 | Get rid of paddle rice sposh seedling pulper |
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