CN112673756A - Agricultural soil perforating device - Google Patents
Agricultural soil perforating device Download PDFInfo
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- CN112673756A CN112673756A CN202110059120.9A CN202110059120A CN112673756A CN 112673756 A CN112673756 A CN 112673756A CN 202110059120 A CN202110059120 A CN 202110059120A CN 112673756 A CN112673756 A CN 112673756A
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Abstract
The invention discloses an agricultural soil perforating device which comprises a traction device, a height adjusting structure, a dragging structure and a blade assembling structure, wherein an upright post is fixedly installed at the upper end of the traction device, a connecting bracket is arranged at one end of the upright post, the height adjusting structure is arranged above the upright post, the tail end of the height adjusting structure is connected with the dragging structure, a bearing rotating shaft is installed inside a fixed threaded sleeve, an installation disc is arranged at the middle position of the bearing rotating shaft, an installation disc hole is formed in the installation disc, the blade assembling structure is arranged on one side of the installation disc, and a perforating blade is installed inside the blade assembling structure. The puncher is arranged on the machinery such as a rotary cultivator of farm implements, a ridger and the like, and by utilizing the traction of power machinery such as a tractor and the like, ridging and punching are completed together, the depth and the pitch of holes can be adjusted, holes with different depths and pitches can be dug out according to needs, the production efficiency is greatly improved, and meanwhile, the practicability of the device can be ensured.
Description
Technical Field
The invention relates to the technical field of agricultural mechanical devices, in particular to an agricultural soil perforating device.
Background
Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and livestock products. Agricultural machines include agricultural power machines, farmland construction machines, soil farming machines, planting and fertilizing machines, plant protection machines, farmland irrigation and drainage machines, crop harvesting machines, agricultural product processing machines, animal husbandry machines, agricultural transportation machines, and the like. The generalized agricultural machinery also comprises forestry machinery, fishery machinery and rural subsidiary machinery such as silkworm, beekeeping, edible fungus cultivation and the like. Agricultural machinery belongs to relative concept, refers to a general term for all machinery used in agriculture, animal husbandry, forestry and fishery, and belongs to the category of agricultural implements. The popularization of agricultural machinery is called agricultural mechanization.
Still need artifically dig the hole on the ridge after power machinery such as current tractors takes rotary cultivator, ridger operation to plant crop and fertilization lead to inefficiency and extravagant human cost like this, for this, we provide a higher agricultural soil perforating device of practicality.
Disclosure of Invention
The invention aims to provide an agricultural soil perforating device, which solves the problems of low efficiency and labor cost waste caused by the fact that holes need to be dug manually on ridges after power machines such as a tractor and the like with a rotary cultivator and a ridger operate so as to plant crops and fertilize.
In order to achieve the purpose, the invention provides the following technical scheme: an agricultural soil perforating device comprises a traction device, a height adjusting structure, a dragging structure and a blade assembling structure, wherein a stand column is fixedly installed at the upper end of the traction device, a connecting bracket is arranged at one end of the stand column, the height adjusting structure is arranged above the stand column, the tail end of the height adjusting structure is connected with the dragging structure, a supporting arm is fixedly installed at the outer side of the dragging structure, an adjusting rotating shaft is installed inside one end of the supporting arm, a fixed supporting sheet is arranged at the outer side of one end of the supporting arm, a first fixing bolt is connected with one end of the fixed supporting sheet, a fixed screw sleeve is arranged on the outer side of the fixed supporting sheet, a bearing rotating shaft is installed inside the fixed screw sleeve, a mounting disc is arranged at the middle position of the bearing rotating shaft, an assembling groove is formed in one end of the supporting arm, a mounting disc hole is formed in the mounting disc, and the blade assembling structure is, and a punching blade is arranged in the blade assembly structure.
Preferably, the dragging structure comprises a dragging frame, a connecting rod and a sleeve hole, the connecting rod is fixed on the upper end face of the dragging frame, and the sleeve hole is formed in the top end of the connecting rod.
Preferably, the dragging frame and the connecting rod are mutually and vertically fixed, and the connecting rod is in pin joint with the height adjusting structure through the sleeve hole.
Preferably, the height adjusting structure comprises a threaded sleeve, a shifting handle, a first connecting screw rod, a first connecting sleeve head, a second connecting screw rod and a second connecting sleeve head, the shifting handle is fixed at the middle position of the threaded sleeve, one end of the threaded sleeve is connected with the first connecting screw rod, one end of the first connecting screw rod is fixed with the first connecting sleeve head, one end of the threaded sleeve is connected with the second connecting screw rod, and one end of the second connecting screw rod is fixed with the second connecting sleeve head.
Preferably, the threaded sleeve, the first connecting screw rod and the second connecting screw rod form a threaded rotating structure, and the first connecting screw rod is in pin joint with the upright column through the first connecting sleeve head.
Preferably, the blade assembling structure comprises an assembling block, an assembling clamping groove, a fastening assembling bolt and an assembling bolt hole, the assembling clamping groove is formed in one end of the assembling block, the assembling bolt hole is formed in the assembling block, and the fastening assembling bolt is arranged in the assembling bolt hole.
Preferably, the assembly block is in threaded connection with the mounting disc through fastening assembly bolts, assembly bolt holes and mounting disc holes, the blade assembly structure is provided with multiple groups, the assembly block is clamped with the punching blades through the assembly clamping grooves, the punching blades are of arc-shaped structures, and the punching blades are multiple in number.
Preferably, the adjusting rotating shaft penetrates through the connecting bracket and the bracket arm, and the bracket arm forms a rotating structure with the connecting bracket through the adjusting rotating shaft.
Preferably, the mounting disc is symmetrically arranged about a vertical center line of the bearing rotating shaft, a rotating structure is formed between the bearing rotating shaft and the supporting arm by the mounting disc, the bearing rotating shaft penetrates through the inside of the fixed supporting sheet, and the fixed supporting sheet is in threaded connection with the supporting arm through a first fixing bolt.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, power can be provided for hole digging of soil through the arranged traction device, and meanwhile, the punching device is serially hung on the farm tool traction device in a three-point hanging manner, wherein two points are installed on the connecting bracket and the adjusting rotating shaft, and the third point is installed on the upright post through the height adjusting structure and the dragging structure, so that the convenience of connecting and assembling the traction device and the punching device can be improved through hanging and assembling.
2. The threaded sleeve provided by the invention can pull the first connecting screw rod and the second connecting screw rod to stretch through threaded rotation, so that the pulling and pulling structure can be rotated, and the pulling structure can drive the supporting arm to rotate, so that the heights of the mounting disc and the punching blade can be adjusted, and the depth of the hole can be adjusted.
3. The blade assembly structure provided by the invention can assemble the punching blades in an inserting manner, the mounting disc holes of different reference circles are arranged on the mounting disc, and the number of the mounting disc holes on the different reference circles is different, so that the punching blades with different numbers can be mounted on the different reference circles, the different hole distances can be ensured, and the blade assembly structure is suitable for the planting density of different crops;
4. the mounting disc provided by the invention is provided with the two circular rings, so that when the edges and the ridges are punched, the ridging soil is prevented from being thrown into holes dug behind, and the soil punching effect can be ensured.
5. The puncher is arranged on the machinery such as a rotary cultivator of farm implements, a ridger and the like, and by utilizing the traction of power machinery such as a tractor and the like, ridging and punching are completed together, the depth and the pitch of holes can be adjusted, holes with different depths and pitches can be dug out according to needs, the production efficiency is greatly improved, and meanwhile, the practicability of the device can be ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the height adjustment structure of the present invention;
FIG. 4 is a schematic view of the connection structure of the mounting plate and the plate assembly structure of the present invention;
FIG. 5 is a schematic drawing of the drag structure of the present invention.
In the figure: 1. a traction device; 2. a column; 3. a connecting bracket; 4. a height adjustment structure; 401. a threaded sleeve; 402. dialing a handle; 403. a first connecting screw; 404. a first connecting sleeve head; 405. a second connecting screw; 406. a second connecting sleeve head; 5. a pulling structure; 501. a dragging frame; 502. a connecting rod; 503. trepanning; 6. a bracket arm; 7. adjusting the rotating shaft; 8. fixing the supporting sheet; 9. a first fixing bolt; 10. fixing the threaded sleeve; 11. assembling a groove; 12. a bearing rotating shaft; 13. mounting a disc; 14. a blade assembly structure; 141. assembling the block; 142. assembling a clamping groove; 143. fastening the assembling bolt; 144. assembling bolt holes; 15. a punching blade; 16. and installing a disc hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, an agricultural soil perforating device comprises a traction device 1, a height adjusting structure 4 and a blade assembling structure 14, wherein an upright post 2 is fixedly installed at the upper end of the traction device 1, a connecting bracket 3 is arranged at one end of the upright post 2, the height adjusting structure 4 is arranged above the upright post 2, the tail end of the height adjusting structure 4 is connected with a dragging structure 5, a supporting arm 6 is fixedly installed at the outer side of the dragging structure 5, an adjusting rotating shaft 7 is installed inside one end of the supporting arm 6, a fixed supporting sheet 8 is arranged outside one end of the supporting arm 6, a first fixing bolt 9 is connected with one end of the fixed supporting sheet 8, a fixed screw sleeve 10 is arranged outside the fixed supporting sheet 8, a bearing rotating shaft 12 is installed inside the fixed screw sleeve 10, an installation disc 13 is arranged in the middle position of the bearing rotating shaft 12, an assembly groove 11 is formed at one end of the supporting arm 6, an installation disc hole 16 is formed inside, the blade assembling structure 14 is arranged on one side of the mounting disc 13, and a punching blade 15 is arranged inside the blade assembling structure 14; the hole puncher that sets up is installed on machinery such as agricultural implement rotary cultivator, ridger, utilizes power machinery such as tractor to pull, and the ridging punches and accomplishes in the lump and can adjust the degree of depth and the pitch-row of hole, can dig out the hole of the different degree of depth and pitch-row as required, great improvement production efficiency, also can guarantee the practicality of device simultaneously.
In the invention: the dragging structure 5 comprises a dragging frame 501, a connecting rod 502 and a sleeve hole 503, the connecting rod 502 is fixed on the upper end face of the dragging frame 501, the sleeve hole 503 is formed in the top end of the connecting rod 502, the dragging frame 501 and the connecting rod 502 are mutually vertically fixed, and the connecting rod 502 is in pin joint with the height adjusting structure 4 through the sleeve hole 503; the height adjusting structure 4 comprises a threaded sleeve 401, a dial 402, a first connecting screw 403, a first connecting sleeve joint 404, a second connecting screw 405 and a second connecting sleeve joint 406, the dial 402 is fixed in the middle of the threaded sleeve 401, one end of the threaded sleeve 401 is connected with the first connecting screw 403, one end of the first connecting screw 403 is fixed with the first connecting sleeve joint 404, one end of the threaded sleeve 401 is connected with the second connecting screw 405, one end of the second connecting screw 405 is fixed with the second connecting sleeve joint 406, a thread rotating structure is formed between the threaded sleeve 401 and the first connecting screw 403 and the second connecting screw 405, and the first connecting screw 403 is in pin joint with the upright post 2 through the first connecting sleeve joint 404; the provided traction device 1 can provide power for hole digging of soil, and meanwhile, the punching device is serially hung on the farm tool traction device 1 in a three-point hanging mode, wherein two points are installed on the connecting bracket 3 and the adjusting rotating shaft 7, and the third point is installed on the upright post 2 through the height adjusting structure 4 and the dragging structure 5, so that the convenience of connecting and assembling the traction device 1 and the punching device can be improved through hanging and assembling; the swivel nut 401 that sets up can stimulate first connecting screw 403 and second connecting screw 405 through the screw thread rotation and stretch out and draw back to this can rotate pulling dragging structure 5, and dragging structure 5 can drive the trailing arm 6 and rotate, can adjust the high of mounting disc 13 and punching blade 15 with this, can guarantee like this to dig out the degree of depth adjustable in hole.
In the invention: the blade assembly structure 14 comprises an assembly block 141, an assembly clamping groove 142, fastening assembly bolts 143 and assembly bolt holes 144, wherein one end of the assembly block 141 is provided with the assembly clamping groove 142, the assembly bolt holes 144 are formed in the assembly block 141, the fastening assembly bolts 143 are installed in the assembly bolt holes 144, the assembly block 141 is in threaded connection with the mounting plate 13 through the fastening assembly bolts 143, the assembly bolt holes 144 and the mounting plate holes 16, the blade assembly structure 14 is provided with a plurality of groups, the assembly block 141 is mutually clamped with the punching blades 15 through the assembly clamping groove 142, the punching blades 15 are of an arc-shaped structure, and the number of the punching blades 15 is provided with a plurality of groups; the arranged blade assembly structure 14 can assemble the punching blades 15 in an inserting mode, the mounting disc 13 is provided with mounting disc holes 16 of different reference circles, and the number of the mounting disc holes 16 on the different reference circles is different, so that the punching blades 15 with different numbers can be arranged on the different reference circles, different hole distances can be guaranteed, and the punching blade assembly structure is suitable for the planting density of different crops;
in the invention: the adjusting rotating shaft 7 penetrates through the connecting bracket 3 and the supporting arm 6, the supporting arm 6 forms a rotating structure with the connecting bracket 3 through the adjusting rotating shaft 7, the mounting discs 13 are symmetrically arranged about the vertical center line of the bearing rotating shaft 12, the mounting discs 13 form a rotating structure with the supporting arm 6 through the bearing rotating shaft 12, the bearing rotating shaft 12 penetrates through the fixed supporting sheet 8, and the fixed supporting sheet 8 is in threaded connection with the supporting arm 6 through the first fixing bolt 9; the mounting disc 13 that sets up has two rings, when can preventing like this that limit, ridge limit from punching, the earth of ridging gets rid of the hole of digging at the back in, can guarantee the effect that soil punched like this
The working principle is as follows: for the agricultural soil perforating device, firstly, the perforating device can be assembled through the traction device 1, the traction device 1 can provide power for the operation of the perforating device, the arranged perforating blade 15 can be clamped on the assembling block 141 through the assembling clamping groove 142 in a fastening mode, the assembling block 141 can be assembled on the installing disc 13 through the assembling bolt hole 144 and the installing disc hole 16 by a fastening assembling bolt 143, the bearing rotary shaft 12 is inserted in the middle of the installing disc 13, the perforating blade 15 can rotate to perforate soil through the bearing rotary shaft 12, two ends of the bearing rotary shaft 12 are assembled in the assembling groove 11 of the support arm 6 and are limited by the fixing screw sleeve 10 inserted in the fixing support sheet 8, meanwhile, the fixing support sheet 8 can be fixedly arranged on the support arm 6 through the first fixing bolt 9, the mounting stability of the fixing support sheet 8 is ensured, the tail end of the support arm 6 is arranged on the connecting bracket 3 through the inserted adjusting rotary shaft 7, when the angle of the supporting arm 6 needs to be adjusted, the pulling handle 402 is held, the pulling handle 402 can drive the screw sleeve 401 to rotate, the screw sleeve 401 is connected with the second connecting screw 405 through the first connecting screw 403 and the second connecting screw 405 in threaded connection, the second connecting screw 405 can be contracted, the second connecting screw 405 can drive the dragging structure 5 to rotate, the second connecting screw 405 is connected with the connecting rod 502 through the second connecting sleeve head 406 and the sleeve hole 503 at the top end in a pin mode, the dragging frame 501 can be pulled to move, the dragging frame 501 can drive the supporting arm 6 to rotate through the adjusting rotating shaft 7, the angle adjustment is completed, the first connecting screw 403 can be assembled to the upright post 2 through the first connecting sleeve head 404 at the top end of the first connecting screw, the first connecting screw is supported by the upright post 2, and the using process of the whole agricultural soil perforating device is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an agricultural soil perforating device, includes draw gear (1), altitude mixture control structure (4), drags structure (5) and blade assembly structure (14), its characterized in that: the upper end of the traction device (1) is fixedly provided with an upright post (2), one end of the upright post (2) is provided with a connecting bracket (3), the height adjusting structure (4) is arranged above the upright post (2), the tail end of the height adjusting structure (4) is connected with a dragging structure (5), the outer side of the dragging structure (5) is fixedly provided with a supporting arm (6), the inner part of one end of the supporting arm (6) is provided with an adjusting rotating shaft (7), the outer side of one end of the supporting arm (6) is provided with a fixed supporting sheet (8), one end of the fixed supporting sheet (8) is connected with a first fixing bolt (9), the outer side of the fixed supporting sheet (8) is provided with a fixed threaded sleeve (10), the inner part of the fixed threaded sleeve (10) is provided with a bearing rotating shaft (12), the middle position of the bearing rotating shaft (12) is provided with a mounting disc (13), one end of the supporting arm (6) is, mounting disc holes (16) are formed in the mounting disc (13), the blade assembling structure (14) is arranged on one side of the mounting disc (13), and a punching blade (15) is arranged in the blade assembling structure (14).
2. An agricultural soil perforating device as defined in claim 1, further comprising: the dragging structure (5) comprises a dragging frame (501), a connecting rod (502) and a trepan boring (503), the connecting rod (502) is fixed on the upper end face of the dragging frame (501), and the trepan boring (503) is formed in the top end of the connecting rod (502).
3. An agricultural soil perforating device as claimed in claim 2, wherein: the dragging frame (501) and the connecting rod (502) are mutually vertically fixed, and the connecting rod (502) is in pin joint with the height adjusting structure (4) through the sleeve hole (503).
4. An agricultural soil perforating device as defined in claim 1, further comprising: height adjustment structure (4) are including swivel nut (401), dial (402), first connecting screw (403), first connecting sleeve head (404), second connecting screw (405) and second connecting sleeve head (406), and the intermediate position of swivel nut (401) is fixed with dials (402), the one end of swivel nut (401) is connected with first connecting screw (403), and the one end of first connecting screw (403) is fixed with first connecting sleeve head (404), the one end of swivel nut (401) is connected with second connecting screw (405), and the one end of second connecting screw (405) is fixed with second connecting sleeve head (406).
5. An agricultural soil perforating device as claimed in claim 4, wherein: the thread insert (401), the first connecting screw rod (403) and the second connecting screw rod (405) form a thread rotating structure, and the first connecting screw rod (403) is in pin joint with the upright post (2) through the first connecting sleeve head (404).
6. An agricultural soil perforating device as defined in claim 1, further comprising: the blade assembling structure (14) comprises an assembling block (141), an assembling clamping groove (142), a fastening assembling bolt (143) and an assembling bolt hole (144), the assembling clamping groove (142) is formed in one end of the assembling block (141), the assembling bolt hole (144) is formed in the assembling block (141), and the fastening assembling bolt (143) is installed in the assembling bolt hole (144).
7. An agricultural soil perforating device as claimed in claim 6, wherein: the assembly block (141) is in threaded connection with the mounting disc (13) through fastening assembly bolts (143), assembly bolt holes (144) and mounting disc holes (16), the blade assembly structure (14) is provided with multiple groups, the assembly block (141) is clamped with the punching blades (15) through the assembly clamping grooves (142), the punching blades (15) are of arc-shaped structures, and the punching blades (15) are provided with multiple numbers.
8. An agricultural soil perforating device as defined in claim 1, further comprising: the adjusting rotating shaft (7) penetrates through the connecting bracket (3) and the supporting arm (6), and the supporting arm (6) forms a rotating structure with the connecting bracket (3) through the adjusting rotating shaft (7).
9. An agricultural soil perforating device as defined in claim 1, further comprising: the mounting disc (13) is the symmetry setting about the vertical central line that bears pivot (12), and constitutes revolution mechanic between mounting disc (13) through bearing pivot (12) and trailing arm (6), bear pivot (12) and run through in the inside of fixed support piece (8), and be threaded connection between fixed support piece (8) through first fixing bolt (9) and trailing arm (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059120.9A CN112673756A (en) | 2021-01-15 | 2021-01-15 | Agricultural soil perforating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059120.9A CN112673756A (en) | 2021-01-15 | 2021-01-15 | Agricultural soil perforating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112673756A true CN112673756A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110059120.9A Pending CN112673756A (en) | 2021-01-15 | 2021-01-15 | Agricultural soil perforating device |
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| CN (1) | CN112673756A (en) |
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| KR100881007B1 (en) * | 2008-03-11 | 2009-02-03 | 문동길 | A direct spot-seeder |
| CN203748212U (en) * | 2013-11-12 | 2014-08-06 | 郭辉 | Reversible ditcher with horizontal shaft disk capable of realizing bidirectional operation |
| CN205232733U (en) * | 2015-11-26 | 2016-05-18 | 张殿生 | Plastic film tapping machine trompil plant spacing adjusting device |
| CN106576508A (en) * | 2016-12-28 | 2017-04-26 | 中卫市天元锋农业机械制造有限责任公司 | Special hole digging machine for selenium-contained watermelon |
| CN207054030U (en) * | 2017-08-08 | 2018-03-02 | 江苏省农业科学院 | A kind of ridging punches all-in-one |
| CN108207135A (en) * | 2017-12-31 | 2018-06-29 | 莱阳市隆利机械制造有限公司 | For the actuating unit of mini-tiller |
| CN111133855A (en) * | 2020-03-17 | 2020-05-12 | 云南省烟草公司临沧市公司 | Flue-cured tobacco plowing, ridging and pond-digging pendant |
| CN211630758U (en) * | 2019-10-24 | 2020-10-09 | 大连海洋大学 | Labor-saving agricultural weeding vehicle |
| CN214338559U (en) * | 2021-01-15 | 2021-10-08 | 湖南农夫机电有限公司 | Agricultural soil perforating device |
-
2021
- 2021-01-15 CN CN202110059120.9A patent/CN112673756A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100881007B1 (en) * | 2008-03-11 | 2009-02-03 | 문동길 | A direct spot-seeder |
| CN203748212U (en) * | 2013-11-12 | 2014-08-06 | 郭辉 | Reversible ditcher with horizontal shaft disk capable of realizing bidirectional operation |
| CN205232733U (en) * | 2015-11-26 | 2016-05-18 | 张殿生 | Plastic film tapping machine trompil plant spacing adjusting device |
| CN106576508A (en) * | 2016-12-28 | 2017-04-26 | 中卫市天元锋农业机械制造有限责任公司 | Special hole digging machine for selenium-contained watermelon |
| CN207054030U (en) * | 2017-08-08 | 2018-03-02 | 江苏省农业科学院 | A kind of ridging punches all-in-one |
| CN108207135A (en) * | 2017-12-31 | 2018-06-29 | 莱阳市隆利机械制造有限公司 | For the actuating unit of mini-tiller |
| CN211630758U (en) * | 2019-10-24 | 2020-10-09 | 大连海洋大学 | Labor-saving agricultural weeding vehicle |
| CN111133855A (en) * | 2020-03-17 | 2020-05-12 | 云南省烟草公司临沧市公司 | Flue-cured tobacco plowing, ridging and pond-digging pendant |
| CN214338559U (en) * | 2021-01-15 | 2021-10-08 | 湖南农夫机电有限公司 | Agricultural soil perforating device |
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Application publication date: 20210420 |
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