CN108999231B - Mechanized soil sampler for rice seedling raising and soil sampling method - Google Patents
Mechanized soil sampler for rice seedling raising and soil sampling method Download PDFInfo
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- CN108999231B CN108999231B CN201811067293.XA CN201811067293A CN108999231B CN 108999231 B CN108999231 B CN 108999231B CN 201811067293 A CN201811067293 A CN 201811067293A CN 108999231 B CN108999231 B CN 108999231B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0808—Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures
- E02F9/0816—Welded frame structure
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
A mechanized soil sampler for rice seedling raising and a soil sampling method. At present, seedling raising soil is generally collected in a field, and during soil taking, manual scattered digging and collecting are mostly adopted, so that the normal use of the existing field is not damaged, but the efficiency is low and the cost is high. The existing excavating equipment such as an excavator is improved in efficiency, but the flatness of a field is easily damaged, and planting operation of the field is influenced. A mechanized soil sampler for rice seedling raising comprises a quick-connection suspension frame welding joint 1, a lower suspension assembly 2, an upper suspension welding joint 3, a front auxiliary beam welding joint 4, a main frame welding joint 5, a sealing plate welding joint 6 and a connecting rod mechanism, wherein the upper suspension welding joint, the lower suspension assembly and a soil sampling shovel welding joint 20 are sequentially assembled on the front auxiliary beam welding joint, the suspension frame welding joint is installed on the upper suspension welding joint and the lower suspension assembly, the soil sampling shovel welding joint is installed at the bottom of the front auxiliary beam welding joint, and the connecting rod mechanism is installed on two sides of the front auxiliary beam welding joint. The invention is applied to the field of agricultural machinery.
Description
Technical Field
The invention relates to a mechanized soil sampler and a soil sampling method for rice seedling raising.
Background
The rice is one of crops with the largest planting area in China, the seedling raising is the first link of rice production, and the first step of the rice seedling raising link is the collection of seedling raising soil. The seedling raising soil is generally referred to as 'mellow soil', and the river-casing soil or topsoil of a field can be used as seedling raising soil, and the seedling raising soil is collected in the field at present because the river-casing soil resource is limited and related regulations limit that the seedling raising soil can not be dug and taken abundantly. When taking out the soil, the manual dispersion excavation is mostly used, and the mode does not damage the normal use of the prior field, but has low efficiency and high cost. When the existing excavating equipment such as an excavator is used for operation, although the efficiency is improved, the flatness of the field is easily damaged, and the planting operation of the field is influenced. Because the rice planting area is large, the demand of seedling raising soil is also large every year, so the technical problems of high labor intensity, low operation efficiency, high production cost, poor operation quality and great damage to farmlands are urgently to be solved. With the rapid increase of the rice planting area in the agricultural cultivation area of Heilongjiang in the northern part of China, the rice seedling tray seedling raising soil consumption is larger and larger.
The rice planting area of the province reaches more than 6000 million mu, the area for raising rice seedlings reaches 120 million mu every year, the rice seedling raising soil required by each mu of rice seedling raising reaches 7 cubic meters, and the total amount of the rice seedling raising soil required by each year reaches 840 million cubic meters. Most of the digging and taking of the soil for rice seedling raising still adopts a manual mode, and has the problems of high labor intensity, low operation efficiency, high production cost, poor operation quality and the like.
Disclosure of Invention
The invention aims to provide a mechanized soil sampler for rice seedling raising soil and a soil sampling method, mainly relates to an agricultural machine tool for digging, collecting and operating rice seedling raising soil, aims at the problems, combines the actual requirements of rice seedling raising operation, and designs and provides the mechanized soil sampler for rice seedling raising which can meet the requirements of mechanized operation, thereby achieving the purposes of reducing labor intensity, improving operating efficiency and operating quality and reducing operating cost.
The above purpose is realized by the following technical scheme:
a mechanized soil sampler for rice seedling raising soil comprises the following components: the front auxiliary beam welding part, the main frame welding part and the sealing plate welding part are arranged on the front auxiliary beam welding part, an upper suspension welding part and a lower suspension assembling part are arranged on two sides of two vertical beams with a group of round holes on the front auxiliary beam welding part through bolt components, the lower suspension assembly is assembled and combined with the two sides of the lower end of the quick-connection suspension bracket through a bolt assembly, the upper end of the quick-connection suspension bracket is welded and assembled with the upper suspension, the lower part of the front auxiliary beam welded joint is hinged with the soil sampling shovel welded joint, two vertical beams on the front auxiliary beam welded joint are welded with soil sampling shovel angle adjusting plates, a positioning pin of the soil-taking shovel is hinged at the middle section position of the welded soil-taking shovel, the soil-taking shovel angle adjusting plate is hinged with one end of the soil-taking shovel angle adjusting rod, the other end of the soil-taking blade angle adjusting rod is hinged with the soil-taking blade positioning pin, and the quick-connection suspension bracket is connected with a tractor suspension bracket in an installing manner.
The mechanized soil sampler of rice seedling raising soil, the both sides that the body frame welded together have welded the pole fixing base that shifts, pneumatic cylinder push rod fixing base and the articulated axle bed of sloping from last to down in proper order, the rectangular plate of body frame welded bottom rear end on weld and have the board of fetching soil after, the body frame weld the return bend position department at rear portion with the horizontal direction's of shrouding welding support body articulate.
The mechanized soil sampler for rice seedling raising soil is characterized in that two welded sides of a front auxiliary beam are provided with a connecting rod mechanism fixing beam, the upper end of the connecting rod mechanism fixing beam is hinged to one side of a connecting rod mechanism oblique beam, the lower end of the connecting rod mechanism fixing beam is hinged to one end of a connecting rod mechanism longitudinal beam, the other end of the connecting rod mechanism longitudinal beam is hinged to the lower end of a vertical beam in a connecting rod mechanism, the middle position of the vertical beam in the connecting rod mechanism is hinged to the middle position of the connecting rod mechanism oblique beam, and the upper end of the vertical beam in the connecting rod mechanism is hinged to one end of a shifting rod.
The mechanical rice seedling raising soil borrowing machine is characterized in that the oblique beam hinged shaft seat is hinged with the rear end of the oblique beam of the connecting rod mechanism, the hydraulic cylinder push rod fixing seat is hinged with the push rod of the hydraulic cylinder, and the cylinder barrel of the hydraulic cylinder is hinged on the lug plate of the oblique beam of the connecting rod mechanism.
The mechanized soil sampler for rice seedling raising is characterized in that one end of the shifting rod is hinged with the vertical beam in the connecting rod mechanism, and the other end of the shifting rod is provided with two hinged points to form a connecting rod mechanism A and a connecting rod mechanism B respectively, wherein the other end of the shifting rod of the connecting rod mechanism A is hinged with the rear section of the inclined beam of the connecting rod mechanism, and the other end of the shifting rod of the connecting rod mechanism B is hinged with the shifting rod fixing seat.
The soil sampling method of the mechanical rice seedling raising soil sampler comprises the following steps:
(1) when the rice seedling raising soil machine works, firstly, the quick-connection suspension bracket is connected with the suspension bracket of the tractor, so that the rice seedling raising soil mechanized soil taking machine works under the traction of the tractor;
(2) the height and the angle of the suspension bracket are adjusted, meanwhile, the angle adjustment of the soil taking shovel is carried out according to the actual moist condition of soil, the soil taking operation is carried out, the sealing plates are welded to play a role in avoiding the leakage of the seedling raising soil, after the seedling raising soil with certain quality is taken, the other end of the shifting rod is hinged with the rear section of the inclined beam of the connecting rod mechanism, the connecting rod mechanism is in the state of the connecting rod mechanism A, the vertical beam, the shifting rod and the inclined beam of the connecting rod mechanism form a triangle and are in a stable state, namely the three beams can not change the positions, as the fixed beam of the connecting rod mechanism is fixed, the longitudinal beam of the connecting rod mechanism is also in a fixed position, at the moment, the push rod of the hydraulic cylinder pushes the main frame to be welded to rotate around the hinged shaft seat of the inclined beam, the existing turning vehicle is turned over to pour the seedling raising soil, and the sealing plates are rotated, so that the seedling raising soil is smoothly dismounted;
(3) after the scale operation is completed, seedling raising soil needs to be loaded, the other end of the displacement rod is hinged to the displacement rod fixing seat, the connecting rod mechanism is adjusted to the state of the connecting rod mechanism B to form two quadrangles, the oblique beam of the connecting rod mechanism and the vertical beam in the connecting rod mechanism are mechanisms which can form a similar telescopic door on a common edge, the main frame can be lifted and welded, then the push rod of the hydraulic cylinder pushes the main frame to be welded and rotate around the oblique beam hinged shaft seat, and the loading function is achieved.
The invention has the following beneficial effects:
1. the invention can realize convenient, rapid and nondestructive soil taking in a field of a farmer, solves the problem of difficult soil taking under the condition of low labor intensity, saves the expenditure of purchasing seedling raising soil at high price, can continuously complete mechanical digging and collecting of rice seedling raising soil after one-time field sowing, and has the characteristics of novel and reasonable structural design, high operation efficiency, good operation quality, reliable use, less faults, low operation labor intensity, manpower saving, low operation cost, multiple purposes and universal universality.
2. The mechanized soil sampler for rice seedling raising is installed with the rear-connected suspension bracket of the tractor through the suspension bracket. The soil taking shovel adjusts the soil entering angle through the angle adjusting plate of the soil taking shovel, so that the soil taking shovel can carry out soil taking operation under various soil conditions. The machine can continuously finish the soil taking and collecting operation of rice seedling raising soil by one-time sowing, and has the characteristics of simple and reasonable structure, high operation efficiency, good operation quality, low operation cost and no great damage to farmlands.
3. The design of the rear soil taking plate structure can be used for removing accumulated snow in winter, the mechanized soil taking machine for rice seedling raising can realize the functions of full-filling and turning over and loading the taken seedling raising soil through the position-changing rod adjusting connecting rod mechanism, and the design of the position hole machined on the front auxiliary beam and the three-point suspension can enable the machine to be used for tractors of different models.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic illustration of the rollover structure of linkage A;
FIG. 4 is a schematic illustration of the rollover structure of linkage B;
in the figure: 1. the device comprises a quick-connection suspension frame, a lower suspension assembly, a 3 upper suspension welding joint, a 4 front auxiliary beam welding joint, a 5 main frame welding joint, a 6 sealing plate welding joint, a 7 displacement rod, a 8 hydraulic cylinder, a 9 displacement rod fixing seat, a 10 hydraulic cylinder push rod fixing seat, a 11 oblique beam hinged shaft seat, a 12 rear soil taking plate, a 13 connecting rod mechanism oblique beam, a 14 connecting rod mechanism middle vertical beam, a 15 connecting rod mechanism longitudinal beam, a 16 connecting rod mechanism fixing beam, a 17 soil taking shovel angle adjusting plate, a 18 soil taking shovel angle adjusting rod, a 19 soil taking shovel positioning pin shaft, a 20 soil taking shovel welding joint.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
the soil taking shovel is characterized in that an upper suspension seam 3 and a lower suspension assembly 2 are arranged on a front auxiliary beam seam 4, two sides of the lower end of a quick connection suspension frame 1 are assembled with the lower suspension assembly 2, the upper end of the quick connection suspension frame is assembled with the upper suspension seam 3, the lower portion of the front auxiliary beam seam 4 is hinged with a soil taking shovel seam 20, soil taking shovel angle adjusting plates 17 are welded on two vertical beams of the front auxiliary beam seam 4 on two sides of the soil taking shovel seam, a soil taking shovel positioning pin shaft 19 is hinged to the middle section of the soil taking shovel seam, one end of a soil taking shovel angle adjusting rod 18 is hinged with the soil taking shovel angle adjusting plate 17, the other end of the soil taking shovel angle adjusting rod is hinged with the soil taking shovel positioning pin shaft 19, and the soil taking angle of the soil taking shovel is adjusted according to the soil condition.
Example 2:
the main frame seam 5 is provided with a deflection rod fixing seat 9, a hydraulic cylinder push rod fixing seat 10 and an oblique beam hinge shaft seat 11 which are sequentially welded from top to bottom, a rear earth taking plate 12 is welded at the rear end of the main frame seam 5, and a frame body in the horizontal direction of a sealing plate seam 6 at the position of a bent pipe at the rear part of the main frame seam 5 is hinged.
Example 3:
a connecting rod mechanism fixing beam 16 is welded at two sides of the front auxiliary beam welded joint 4, the upper end of the connecting rod mechanism fixing beam 16 is hinged with the connecting rod mechanism oblique beam 13, and the lower end of the connecting rod mechanism fixing beam is hinged with the front end of the connecting rod mechanism longitudinal beam 15; the lower end of a vertical beam 14 in the link mechanism is hinged with the rear end of a longitudinal beam 15 of the link mechanism, the middle section of the vertical beam 14 in the link mechanism is hinged with the middle section of an oblique beam 13 of the link mechanism, the upper end of the vertical beam is hinged with one end of a deflection rod 7, the middle section of the oblique beam 13 of the link mechanism is hinged with the vertical beam 14 in the link mechanism, the rear end of the oblique beam is hinged with an oblique beam hinged shaft seat 11, a push rod of a hydraulic cylinder 8 is hinged with a push rod fixing seat 10 of the hydraulic cylinder, and a cylinder barrel of the hydraulic cylinder 8 is hinged on the oblique beam 13 of the link mechanism.
Example 4:
one end of the shifting rod 7 is hinged with a vertical beam 14 in the connecting rod mechanism, the other end of the shifting rod is provided with two hinged points, and the two hinged points respectively form a connecting rod mechanism A and a connecting rod mechanism B, the other end of the shifting rod 7 of the connecting rod mechanism A is hinged with the rear section of a sloping beam 13 of the connecting rod mechanism, the other end of the shifting rod 7 of the connecting rod mechanism B is hinged with a fixed seat 9 of the shifting rod, and the mechanized soil sampler for rice seedling raising is mounted with a tractor suspension bracket through the suspension bracket.
Example 5:
the mechanical mechanism of the soil sampler mainly comprises a quick-connection suspension frame welding joint, a lower suspension assembly, an upper suspension welding joint, a front auxiliary beam welding joint, a main frame welding joint, a sealing plate welding joint and a connecting rod mechanism. Sequentially assembling an upper suspension welding part, a lower suspension welding part and a soil taking shovel welding part on the front auxiliary beam welding part; the suspension frame welding joint is arranged on the upper suspension welding joint and the lower suspension assembly; the soil taking shovel is welded and installed at the bottom of the front auxiliary beam; the connecting rod mechanisms are arranged on two sides of the front auxiliary beam welded together; the main frame is welded and connected with the hydraulic cylinders of the link mechanisms at two sides through hydraulic cylinder push rod seats at two sides of the main frame; the sealing plate is welded at the bent pipe at the rear part of the main frame welding part, and the rear earth taking plate is welded on the rectangular plate at the bottom of the main frame welding part; the soil sampling shovel welded joint is arranged on the front auxiliary beam welded joint, and the angle of the soil sampling shovel is adjusted as shown by a soil sampling shovel angle adjusting plate welded on the front auxiliary beam welded joint.
Example 6:
when the rice seedling raising soil machine works, firstly, the quick-connection suspension bracket is connected with the suspension bracket of the tractor, so that the rice seedling raising soil mechanized soil taking machine works under the traction of the tractor; the height and the angle of the suspension bracket are adjusted, meanwhile, the angle adjustment of the soil taking shovel is carried out according to the actual moist condition of soil, the soil taking operation is carried out, the sealing plates are welded to play a role in avoiding the leakage of the seedling raising soil, after the seedling raising soil with certain quality is taken, the other end of the shifting rod is hinged with the rear section of the inclined beam of the connecting rod mechanism, the connecting rod mechanism is in the state of the connecting rod mechanism A, the vertical beam, the shifting rod and the inclined beam of the connecting rod mechanism form a triangle and are in a stable state, namely the three beams can not change the positions, as the fixed beam of the connecting rod mechanism is fixed, the longitudinal beam of the connecting rod mechanism is also in a fixed position, at the moment, the push rod of the hydraulic cylinder pushes the main frame to be welded to rotate around the hinged shaft seat of the inclined beam, the existing turning vehicle is turned over to pour the seedling raising soil, and the sealing plates are rotated, so that the seedling raising soil is smoothly dismounted; after the large-scale operation is completed, seedling raising soil needs to be loaded, the other end of the displacement rod is hinged to the displacement rod fixing seat, the connecting rod mechanism is adjusted to the state of the connecting rod mechanism B at the moment to form two quadrangles, the inclined beam of the connecting rod mechanism and the vertical beam in the connecting rod mechanism are mechanisms which can form a similar telescopic door on a common edge, the main frame can be lifted and welded, then the hydraulic cylinder push rod pushes the main frame to be welded and rotate around the inclined beam hinged shaft seat, and the loading function is achieved.
Claims (1)
1. A mechanized soil taking method for rice seedling raising is mainly completed by matching a mechanized soil taking machine for rice seedling raising, and the mechanized soil taking machine for rice seedling raising comprises the following components: preceding auxiliary girder seam, body frame seam and shrouding seam, characterized by: the device comprises a front auxiliary beam welding device, a rear auxiliary beam welding device and a tractor suspension frame, wherein an upper suspension welding device and a lower suspension assembly are arranged on two sides of two vertical beams with a group of round holes on the front auxiliary beam welding device through bolt assemblies;
the two sides of the main frame welding body are sequentially welded with a deflection rod fixing seat, a hydraulic cylinder push rod fixing seat and an oblique beam hinged shaft seat from top to bottom, a rear soil taking plate is welded on a rectangular plate at the rear end of the bottom of the main frame welding body, and the position of a bent pipe at the rear part of the main frame welding body is hinged with a frame body in the horizontal direction of the sealing plate welding body;
the upper end of the connecting rod mechanism fixing beam is hinged with one side of the connecting rod mechanism oblique beam, the lower end of the connecting rod mechanism fixing beam is hinged with one end of the connecting rod mechanism longitudinal beam, the other end of the connecting rod mechanism longitudinal beam is hinged with the lower end of the vertical beam in the connecting rod mechanism, the middle section position of the vertical beam in the connecting rod mechanism is hinged with the middle section position of the connecting rod mechanism oblique beam, and the upper end of the vertical beam in the connecting rod mechanism is hinged with one end of the deflection rod;
the oblique beam hinge shaft seat is mutually hinged with the rear end of the oblique beam of the connecting rod mechanism, the push rod fixing seat of the hydraulic cylinder is mutually hinged with the push rod of the hydraulic cylinder, and the cylinder barrel of the hydraulic cylinder is hinged on the lug plate of the oblique beam of the connecting rod mechanism;
one end of the displacement rod is hinged with the vertical beam in the connecting rod mechanism, and the other end of the displacement rod is provided with two hinged points to respectively form a connecting rod mechanism A and a connecting rod mechanism B, wherein the other end of the displacement rod of the connecting rod mechanism A is hinged with the rear section of the inclined beam of the connecting rod mechanism, and the other end of the displacement rod of the connecting rod mechanism B is hinged with the displacement rod fixing seat;
the mechanical rice seedling raising soil taking method comprises the following steps:
(1) when the mechanized soil sampler for rice seedling raising is in operation, firstly, the quick-connection suspension bracket is connected with the suspension bracket of a tractor, so that the mechanized soil sampler for rice seedling raising works under the traction of the tractor;
(2) the height and the angle of the suspension bracket are adjusted, meanwhile, the angle adjustment of the soil taking shovel is carried out according to the actual moist condition of soil, the soil taking operation is carried out, the sealing plates are welded to play a role in avoiding the leakage of the seedling raising soil, after the seedling raising soil with certain quality is taken, the other end of the shifting rod is hinged with the rear section of the inclined beam of the connecting rod mechanism, the connecting rod mechanism is in the state of the connecting rod mechanism A, the vertical beam, the shifting rod and the inclined beam of the connecting rod mechanism form a triangle and are in a stable state, namely the three beams can not change the positions, as the fixed beam of the connecting rod mechanism is fixed, the longitudinal beam of the connecting rod mechanism is also in a fixed position, at the moment, the push rod of the hydraulic cylinder pushes the main frame to be welded to rotate around the hinged shaft seat of the inclined beam, the existing turning vehicle is turned over to pour the seedling raising soil, and the sealing plates are rotated, so that the seedling raising soil is smoothly dismounted;
(3) after the scale operation is completed, seedling raising soil needs to be loaded, the other end of the displacement rod is hinged to the displacement rod fixing seat, the connecting rod mechanism is adjusted to the state of the connecting rod mechanism B to form two quadrangles, the oblique beam of the connecting rod mechanism and the vertical beam in the connecting rod mechanism are mechanisms which can form a similar telescopic door on a common edge, the main frame can be lifted and welded, then the push rod of the hydraulic cylinder pushes the main frame to be welded and rotate around the oblique beam hinged shaft seat, and the loading function is achieved.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067293.XA CN108999231B (en) | 2018-09-13 | 2018-09-13 | Mechanized soil sampler for rice seedling raising and soil sampling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811067293.XA CN108999231B (en) | 2018-09-13 | 2018-09-13 | Mechanized soil sampler for rice seedling raising and soil sampling method |
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| CN108999231A CN108999231A (en) | 2018-12-14 |
| CN108999231B true CN108999231B (en) | 2022-05-10 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000139137A (en) * | 1998-11-10 | 2000-05-23 | Iseki & Co Ltd | Seedling transplanter |
| CN102326470A (en) * | 2011-08-25 | 2012-01-25 | 黑龙江八一农垦大学 | Rice seedling raising soil borrowing machine |
| CN103299732A (en) * | 2013-06-25 | 2013-09-18 | 三门峡百年农机装配有限公司 | Soil sieving device |
| CN203467139U (en) * | 2013-06-25 | 2014-03-12 | 三门峡百年农机装配有限公司 | Soil sieving device |
| CN203788655U (en) * | 2014-01-23 | 2014-08-27 | 合肥金工表面工程技术有限公司 | Full-automatic soil borrowing machine for rice seedling cultivation |
| CN204616305U (en) * | 2015-05-19 | 2015-09-09 | 甘肃省农业科学院旱地农业研究所 | A kind of potato and corn ridging film mulching integrated machine |
| CN208899557U (en) * | 2018-09-13 | 2019-05-24 | 佳木斯市潜兴农业机械研发有限公司 | A kind of rice seedling raising soil mechanization takes native machine |
-
2018
- 2018-09-13 CN CN201811067293.XA patent/CN108999231B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000139137A (en) * | 1998-11-10 | 2000-05-23 | Iseki & Co Ltd | Seedling transplanter |
| CN102326470A (en) * | 2011-08-25 | 2012-01-25 | 黑龙江八一农垦大学 | Rice seedling raising soil borrowing machine |
| CN103299732A (en) * | 2013-06-25 | 2013-09-18 | 三门峡百年农机装配有限公司 | Soil sieving device |
| CN203467139U (en) * | 2013-06-25 | 2014-03-12 | 三门峡百年农机装配有限公司 | Soil sieving device |
| CN203788655U (en) * | 2014-01-23 | 2014-08-27 | 合肥金工表面工程技术有限公司 | Full-automatic soil borrowing machine for rice seedling cultivation |
| CN204616305U (en) * | 2015-05-19 | 2015-09-09 | 甘肃省农业科学院旱地农业研究所 | A kind of potato and corn ridging film mulching integrated machine |
| CN208899557U (en) * | 2018-09-13 | 2019-05-24 | 佳木斯市潜兴农业机械研发有限公司 | A kind of rice seedling raising soil mechanization takes native machine |
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| CN108999231A (en) | 2018-12-14 |
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