CN115053664A - Bionic watermelon insect type ditching all-in-one machine - Google Patents

Bionic watermelon insect type ditching all-in-one machine Download PDF

Info

Publication number
CN115053664A
CN115053664A CN202210810227.7A CN202210810227A CN115053664A CN 115053664 A CN115053664 A CN 115053664A CN 202210810227 A CN202210810227 A CN 202210810227A CN 115053664 A CN115053664 A CN 115053664A
Authority
CN
China
Prior art keywords
connecting rod
shovel
ditching
bionic
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210810227.7A
Other languages
Chinese (zh)
Other versions
CN115053664B (en
Inventor
秦宽
曹成茂
吴正敏
葛俊
方梁菲
孙燕
毕海军
步坤亭
张永政
刘梦璇
丁诣桐
李雅丽
吴雪
马飞扬
鲁骏杰
孙一男
丁可
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Agricultural University AHAU
Original Assignee
Anhui Agricultural University AHAU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Agricultural University AHAU filed Critical Anhui Agricultural University AHAU
Priority to CN202210810227.7A priority Critical patent/CN115053664B/en
Publication of CN115053664A publication Critical patent/CN115053664A/en
Application granted granted Critical
Publication of CN115053664B publication Critical patent/CN115053664B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C5/00Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/06Machines for making or covering drills or furrows for sowing or planting
    • A01C5/062Devices for making drills or furrows
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/08Broadcast seeders; Seeders depositing seeds in rows
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/20Parts of seeders for conducting and depositing seed

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Working Implements (AREA)

Abstract

The utility model belongs to the technical field of farming machinery, a bionical watermelon worm formula ditching all-in-one is disclosed, which comprises a vehicle rack, be provided with running gear and power device on the frame, be provided with the riser on the frame, the riser bottom is provided with the ditching shovel, the ditching shovel is including the shovel body and shovel point, the rear end of the shovel body is fixed in the riser bottom, the riser top is provided with the eccentric shaft, and the end connection of eccentric shaft has first connecting rod, first connecting rod is arranged in the riser lumen and first connecting rod bottom connection second connecting rod, the other end and the shovel point fixed connection of second connecting rod, the eccentric shaft is connected with power device. Through setting up split type ditching shovel, utilize eccentric shaft, first connecting rod and second connecting rod to drive the fore-and-aft motion of shovel point and carry out the branch soil ditching, the soil is bored to the characteristic of bionical watermelon worm casing reciprocating wriggling all around, effectively reduces the ditching resistance, improves the ditching operation quality of breaking ground.

Description

Bionic watermelon insect type ditching all-in-one machine
Technical Field
The invention relates to the technical field of farming machinery, in particular to a bionic watermelon insect type ditching all-in-one machine.
Background
Along with the continuous aggravation of land desertification, ecological remediation vegetation all need be planted in many areas, and the planting vegetation needs the ditching seeding, and current furrow opener mainly has two kinds: the first one is the furrow opener designed for seed furrow, the furrow opener is a small driven part, and the seed bed suitable for seed development is opened by the traction acting force, the furrow shape is characterized by small, narrow, shallow and the like, and the furrow opener is often hung on the seed bed as an accessory part of the seeding machine; the second type is a ditcher for drainage or other purposes, which is relatively large, generally mainly comprises active components, and has large power consumption, large volume, and deep and wide ditches. However, in some hilly and mountainous areas, desertification areas and the like, because the traditional large-scale farming machine is difficult to enter, the existing ditching machine cannot adapt to the farming requirements of the area, so that the ditching machine needs to be researched, the ditching operation resistance is small, and the small ditching machine which can complete ditching and seeding operation at one time is best, so that the small ditching machine is suitable for complex farming environments.
Disclosure of Invention
In order to solve the problems, the invention provides a bionic watermelon insect type ditching all-in-one machine.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a bionical watermelon worm formula ditching all-in-one, includes the frame, be provided with running gear and power device on the frame, be provided with the riser on the frame, the riser bottom is provided with the ditching shovel, the ditching shovel includes the shovel body and shovel point, the rear end of the shovel body is fixed in the riser bottom, the riser top is provided with the eccentric shaft, and the end connection of eccentric shaft has first connecting rod, first connecting rod is arranged in the riser lumen and first connecting rod bottom and is connected the second connecting rod, the other end and the shovel point fixed connection of second connecting rod, the eccentric shaft is connected with power device.
Further, the shovel tip comprises a shell which is small in front and large in back and is bent downwards, and the outer surface of the shell is a streamline smooth curved surface from front to back.
Furthermore, a bottom plate is arranged at the bottom of the shell, and two overhanging plates arranged in parallel are protruded backwards from the lower plate of the bottom plate.
Furthermore, the front end profile of the shovel body is smaller than the rear end profile formed by the housing of the shovel tip and the bottom plate, and the front end of the shovel body is arranged in the rear end cavity of the shovel tip.
Furthermore, the shovel tip is provided with a tip protruding forwards at the front end of the shell.
Furthermore, first connecting rod wholly is located vertical plane, and first groove and second groove have been seted up along the pole length direction respectively to first connecting rod top and bottom, and eccentric shaft tip is arranged in first inslot and is constituted to rotate with first connecting rod and be connected, and first connecting rod and second connecting rod tip are articulated and the articulated shaft is arranged in the second inslot.
Furthermore, a connecting hole is formed in the middle upper section rod body of the first connecting rod, a bolt penetrates through the position, corresponding to the vertical pipe, of the vertical pipe, and the bolt penetrates through the connecting hole.
Furthermore, a bearing is arranged on one side edge of the top of the vertical pipe, a rotating shaft is arranged in the bearing in a rotating mode, a rotating disc is arranged at one end of the rotating shaft, an eccentric shaft is eccentrically arranged on the rotating disc, a gear is further arranged on the rotating shaft, and the gear is connected with a power device through a chain.
Further, still be provided with seed metering mechanism on the frame, seed metering mechanism is including the fixed seed metering case that sets up on the frame, seed metering bottom of the case portion sets up the seed metering ware, seed metering mouth department sets up the seed metering pipe, riser bottom rear side is pressed close to the play seed mouth of seed metering pipe.
In conclusion, the invention has the following beneficial effects:
1. in the application, by arranging the split type ditching shovel, the eccentric shaft, the first connecting rod and the second connecting rod are utilized to drive the shovel point to move back and forth to carry out soil splitting and ditching, the characteristic of back and forth reciprocating creeping of the watermelon insect shell is simulated to carry out soil drilling, the ditching resistance is effectively reduced, and the quality of soil breaking and ditching operation is improved;
2. according to the ditching shovel, the streamline smooth curved surface of the shell of the ditching shovel is arranged, the sharp mouth is additionally arranged at the front end, the soil block is broken by using the small and sharp point of the sharp mouth to enter the soil first, the soil block is divided into two sides by using the curved surface of the shell to realize ditching, the ditching resistance is small, and the ditching shovel is suitable for ditching operation for ecological restoration in complex terrains such as mountainous areas and sandy lands;
3. in this application, through installing seed metering mechanism additional, can sow in the ditching, carry out ditching seeding integration operation, improve the operating efficiency greatly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a ditching part of an embodiment of the invention;
FIG. 3 is a cross-sectional view of a furrow section of an embodiment of the present invention;
fig. 4 and 5 are schematic views of the construction of a furrowing blade in accordance with an embodiment of the present invention.
In the figure: 10. a frame; 20. a riser; 21. an eccentric shaft; 22. a first link; 221. a first groove; 222. a second groove; 223. connecting holes; 23. a second link; 24. a bolt; 25. a bearing; 26. a rotating shaft; 27. a turntable; 28. a gear; 29. a chain; 30. ditching and shoveling; 31. a shovel body; 32. a shovel tip; 321. a housing; 322. a base plate; 323. a cantilevered panel; 324. a sharp nozzle; 40. a seed discharging mechanism; 41. a seed discharging box; 42. a seed sowing device; 43. a seed discharging pipe.
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
As shown in fig. 1 to 5, the embodiment of the present application discloses a bionic watermelon insect type ditching all-in-one machine, which comprises a vehicle frame 10, wherein a traveling device and a power device are arranged on the vehicle frame 10, a vertical pipe 20 is further arranged on the vehicle frame 10, a ditching shovel 30 is arranged at the bottom of the vertical pipe 20, the ditching shovel 30 comprises a shovel body 31 and a shovel tip 32, the rear end of the shovel body 31 is fixed at the bottom of the vertical pipe 20, the shovel tip 32 comprises a shell 321 which is small in front and large in back and is bent downwards, the outer surface of the shell 321 is a streamline smooth curved surface from front to back, the outline of the shell 321 is obtained through a first section of the head of the bionic watermelon insect, specifically, image processing is performed on the side view and the top view of the first section of the head of the watermelon insect by using MATLAB software to obtain a binarized image, so as to obtain an outline curve of the shell 321.
In order to facilitate the soil penetration and soil breaking of the ditching shovel 30, a tip 324 protruding forwards and similar to the head of a watermelon insect is arranged at the front end of the shovel tip 32 positioned on the shell 321, the angle of the tip part at the front end of the tip 324 is 80 degrees, when ditching is carried out, the tip 324 firstly penetrates into the soil to break or open cracks on soil blocks, then penetrates into the soil through the shell 321, and the soil blocks are divided into two sides by utilizing the streamline curved surface structure to carry out ditching.
The bottom of the housing 321 is provided with a bottom plate 322, the housing 321 and the bottom plate 322 form a cavity, the front end profile of the shovel body 31 is smaller than the rear end profile of the cavity formed by the housing 321 of the shovel tip 32 and the bottom plate 322, the front end of the shovel body 31 is arranged in the rear end cavity of the shovel tip 32, and the bottom plate 322 protrudes backwards from the lower plate to form two overhanging plates 323 which are arranged in parallel. Preferably, the angle between the bottom plate 322 and the horizontal is set to 6 °, i.e., the clearance angle for the blade 30 is 6 °, to reduce the forward resistance of the blade 30.
Further, a first connecting rod 22 is arranged in the cavity of the vertical pipe 20, the first connecting rod 22 is integrally located in a vertical plane, a first groove 221 and a second groove 222 are formed in the top and the bottom of the first connecting rod 22 respectively along the rod length direction, the bottom end of the first connecting rod 22 is connected with a second connecting rod 23, the end portions of the first connecting rod 22 and the second connecting rod 23 are hinged, a hinged shaft is arranged in the second groove 222, and the other end of the second connecting rod 23 extends into the cavity of the shovel tip 32 and is fixedly connected with the shovel tip 32. A bearing 25 is arranged on one side edge of the top of the vertical pipe 20, a rotating shaft 26 is rotatably arranged in the bearing 25, a rotating disc 27 is arranged at one end of the rotating shaft 26, an eccentric shaft 21 is arranged on the rotating disc 27, and the end of the eccentric shaft 21 passes through the first groove 221 to form a rotating connection with the first connecting rod 22. The rotating shaft 26 is also provided with a gear 28, and the gear 28 is connected with the power device through a chain 29.
Furthermore, a connecting hole 223 is formed in the middle upper section of the first connecting rod 22, a bolt 24 penetrates through the corresponding position of the stand pipe 20, and the screw of the bolt 24 penetrates through the connecting hole 223. Specifically, in the present embodiment, the length of the first link 22 is set to 620mm, the length of the second link 23 is set to 95mm, the length of the second slot 222 is set to 8mm, the first link 22 and the second link 23 are hinged by a bolt perpendicular to the second slot 222 and placed in the second slot 222, a connection hole 223 is formed at a position 245mm from top to bottom of the first link 22, the first link 22 is fixed in the riser 20 by the bolt 24 penetrating through the riser 20 and the first link 22, and the diameter of the connection hole 223 is greater than that of the bolt 24, so that the first link 22 can swing in the riser 20.
In specific implementation, the power device drives the gear 28 to rotate through the chain 29, so as to drive the rotating shaft 26 to rotate, the rotating shaft 26 drives the rotating disc 27 to rotate, the rotating disc 27 drives the eccentric shaft 21 to rotate, and under the action of the bolt 24, the eccentric shaft 21 moves in the first groove 221 to drive the first connecting rod 22 to swing left and right around the bolt 24, so as to drive the second connecting rod 23 to move back and forth, so as to enable the shovel tip 32 of the furrowing shovel 30 to move back and forth to perform furrowing.
Furthermore, a seed metering mechanism 40 is further arranged on the frame 10 at the top of the vertical pipe 20, the seed metering mechanism 40 comprises a seed metering box 41 fixedly arranged on the frame 10, a seed metering device 42 is arranged at the bottom of the seed metering box 41, a seed metering pipe 43 is arranged at a seed metering port of the seed metering box 42, and a seed outlet of the seed metering pipe 43 is close to the rear side of the bottom of the vertical pipe 20. Through setting up seed metering mechanism 40, can sow when ditching, realize ditching seeding integration operation, accomplish ditching seeding for ecological remediation under the complicated topography such as adaptation mountain area, sand ground.
The application principle of the bionic watermelon insect type ditching all-in-one machine in the embodiment is as follows: the power device on the frame 10 is started to drive the walking device to walk, meanwhile, the power device drives the gear 28 to rotate through the chain 29 and the chain 29, the gear 28 drives the rotating shaft 26 to rotate, the rotating shaft 26 drives the rotating disc 27 to rotate, the rotating disc 27 drives the eccentric shaft 21 to rotate, under the action of the bolt 24, the eccentric shaft 21 moves in the first groove 221 to drive the first connecting rod 22 to swing left and right around the bolt 24, and the second connecting rod 23 is driven to move back and forth, so that the shovel tip 32 of the ditching shovel 30 moves back and forth to perform ditching.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (9)

1. The utility model provides a bionical watermelon worm formula ditching all-in-one, includes frame (10), be provided with running gear and power device on frame (10), characterized by: the special shovel is characterized in that a vertical pipe (20) is arranged on the frame (10), a ditching shovel (30) is arranged at the bottom of the vertical pipe (20), the ditching shovel (30) comprises a shovel body (31) and a shovel tip (32), the rear end of the shovel body (31) is fixed at the bottom of the vertical pipe (20), an eccentric shaft (21) is arranged at the top of the vertical pipe (20), a first connecting rod (22) is connected to the end of the eccentric shaft (21), the first connecting rod (22) is arranged in a pipe cavity of the vertical pipe (20), the bottom end of the first connecting rod (22) is connected with a second connecting rod (23), the other end of the second connecting rod (23) is fixedly connected with the shovel tip (32), and the eccentric shaft (21) is connected with a power device.
2. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 1, which is characterized in that: the shovel tip (32) comprises a shell (321) which is small in front and large in back and is bent downwards, and the outer surface of the shell (321) is a streamline smooth curved surface from front to back.
3. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 2, wherein: the bottom of the shell (321) is provided with a bottom plate (322), and two parallel overhanging plates (323) are protruded backwards from the lower plate of the bottom plate (322).
4. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 3, wherein: the front end profile of the shovel body (31) is smaller than the rear end profile formed by the casing (321) and the bottom plate (322) of the shovel tip (32), and the front end of the shovel body (31) is arranged in the rear end cavity of the shovel tip (32).
5. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 2, characterized in that: the shovel tip (32) is provided with a tip (324) which protrudes forwards and is positioned at the front end of the shell (321).
6. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 1, wherein: the whole first connecting rod (22) is located in a vertical plane, a first groove (221) and a second groove (222) are formed in the top and the bottom of the first connecting rod (22) respectively along the rod length direction, the end portion of the eccentric shaft (21) is arranged in the first groove (221) to be rotatably connected with the first connecting rod (22), the end portions of the first connecting rod (22) and the second connecting rod (23) are hinged, and a hinged shaft is arranged in the second groove (222).
7. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 6, wherein: a connecting hole (223) is formed in the middle upper rod body of the first connecting rod (22), a bolt (24) penetrates through the position, corresponding to the stand pipe (20), of the stand pipe, and the bolt (24) penetrates through the connecting hole (223).
8. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 7, wherein: the device is characterized in that a bearing (25) is arranged on one side edge of the top of the vertical pipe (20), a rotating shaft (26) is rotationally arranged in the bearing (25), a rotating disc (27) is arranged at one end of the rotating shaft (26), an eccentric shaft (21) is eccentrically arranged on the rotating disc (27), a gear (28) is further arranged on the rotating shaft (26), and the gear (28) is connected with a power device through a chain (29).
9. The bionic watermelon insect type ditching all-in-one machine as claimed in claim 1, wherein: still be provided with seed metering mechanism (40) on frame (10), seed metering mechanism (40) is including fixed seed metering case (41) that sets up on frame (10), seed metering case (41) bottom sets up seed metering ware (42), seed metering ware (42) seed metering mouth department sets up seed metering pipe (43), riser (20) bottom rear side is pressed close to the seed outlet of seed metering pipe (43).
CN202210810227.7A 2022-07-11 2022-07-11 Bionic watermelon insect type ditching all-in-one machine Active CN115053664B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210810227.7A CN115053664B (en) 2022-07-11 2022-07-11 Bionic watermelon insect type ditching all-in-one machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210810227.7A CN115053664B (en) 2022-07-11 2022-07-11 Bionic watermelon insect type ditching all-in-one machine

Publications (2)

Publication Number Publication Date
CN115053664A true CN115053664A (en) 2022-09-16
CN115053664B CN115053664B (en) 2024-01-19

Family

ID=83206390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210810227.7A Active CN115053664B (en) 2022-07-11 2022-07-11 Bionic watermelon insect type ditching all-in-one machine

Country Status (1)

Country Link
CN (1) CN115053664B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB298391A (en) * 1927-11-15 1928-10-11 Int Harvester Co Improvements in fork-action control for potato-diggers
CN202269155U (en) * 2011-08-28 2012-06-13 孙定忠 Furrow opener of mini-tiller
CN102577730A (en) * 2012-02-15 2012-07-18 杨艺明 Shallot digger
CN202750425U (en) * 2012-08-13 2013-02-27 邓衍夫 Vibrating type rotary tillage and deep scarification integral machine
CN103797939A (en) * 2014-03-04 2014-05-21 山东理工大学 Earthworm skin shape-imitated opener
CN103797938A (en) * 2014-03-04 2014-05-21 山东理工大学 Bionic compact narrow-fertilizer ditch and wide-seed band opener
CN104335736A (en) * 2014-10-15 2015-02-11 山东理工大学 Equal-depth and wide seeding opener for deep fertilization of wheat
CN206323776U (en) * 2016-12-06 2017-07-14 呼图壁县西域兴业农业科技有限公司 A kind of vineyard fertilizer-deep-applicating machine
CN208317367U (en) * 2018-06-28 2019-01-04 河北省农业机械化研究所有限公司 Profiling ditching seeder
CN216775455U (en) * 2022-02-22 2022-06-21 栗宇红 Ditching device for agricultural machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB298391A (en) * 1927-11-15 1928-10-11 Int Harvester Co Improvements in fork-action control for potato-diggers
CN202269155U (en) * 2011-08-28 2012-06-13 孙定忠 Furrow opener of mini-tiller
CN102577730A (en) * 2012-02-15 2012-07-18 杨艺明 Shallot digger
CN202750425U (en) * 2012-08-13 2013-02-27 邓衍夫 Vibrating type rotary tillage and deep scarification integral machine
CN103797939A (en) * 2014-03-04 2014-05-21 山东理工大学 Earthworm skin shape-imitated opener
CN103797938A (en) * 2014-03-04 2014-05-21 山东理工大学 Bionic compact narrow-fertilizer ditch and wide-seed band opener
CN104335736A (en) * 2014-10-15 2015-02-11 山东理工大学 Equal-depth and wide seeding opener for deep fertilization of wheat
CN206323776U (en) * 2016-12-06 2017-07-14 呼图壁县西域兴业农业科技有限公司 A kind of vineyard fertilizer-deep-applicating machine
CN208317367U (en) * 2018-06-28 2019-01-04 河北省农业机械化研究所有限公司 Profiling ditching seeder
CN216775455U (en) * 2022-02-22 2022-06-21 栗宇红 Ditching device for agricultural machine

Also Published As

Publication number Publication date
CN115053664B (en) 2024-01-19

Similar Documents

Publication Publication Date Title
CN214708575U (en) Crawler-type orchard management device with adjustable ditching depth and width
CN110036715A (en) Crop material or green manure crop, which are cut, concentrates ditch to bury returning to the field method and relevant device
CN105940810A (en) Forced vibration pneumatic deep loosening machine
CN115053664A (en) Bionic watermelon insect type ditching all-in-one machine
CN210610290U (en) Peanut spacing machine
CN207978275U (en) Kind tree machine
CN205670954U (en) A kind of breaking ditching-fertilizing device for no-tillage seeding machine
CN205284047U (en) Machine is ploughed deeply in soil rotary tillage
CN201131124Y (en) A furrowing machine with rotary colter
CN208624112U (en) A kind of garlic digging harvester
CN209845690U (en) Digging device for forestry
CN213694791U (en) Ditching structure for seeder
CN210537363U (en) No-tillage fertilizing and seeding machine for crushing and covering corn with straw
CN112514627A (en) Yam harvester
CN111253024A (en) Ditching buried sludge treatment equipment
CN112352480B (en) Soil loosening device suitable for farmland
CN109924051A (en) Plastic mulching machine with interval firming function
CN213426877U (en) Ridge hole-digging operation device
CN205510768U (en) Self -propelled ditching machine
CN218277764U (en) Improved flue-cured tobacco pond-digging device with back plate
CN215301374U (en) Ditching device that loosens soil of usefulness is planted in forestry
CN221306487U (en) Pool machine is beaten to farmland pond retaining usefulness
CN214497639U (en) Ditching ditch all-in-one
CN219644565U (en) Traditional Chinese medicine excavating device with protective structure
CN114793491B (en) Front deep scarification rotary cultivator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant