CN210745983U - Backpack forest seed dibbler - Google Patents

Backpack forest seed dibbler Download PDF

Info

Publication number
CN210745983U
CN210745983U CN201921764223.XU CN201921764223U CN210745983U CN 210745983 U CN210745983 U CN 210745983U CN 201921764223 U CN201921764223 U CN 201921764223U CN 210745983 U CN210745983 U CN 210745983U
Authority
CN
China
Prior art keywords
seed
seeding
backpack
bin
quantitative
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.)
Active
Application number
CN201921764223.XU
Other languages
Chinese (zh)
Inventor
曹兵
张萍
宋丽华
赵思明
孙筱
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.)
Ningxia University
Original Assignee
Ningxia University
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 Ningxia University filed Critical Ningxia University
Priority to CN201921764223.XU priority Critical patent/CN210745983U/en
Application granted granted Critical
Publication of CN210745983U publication Critical patent/CN210745983U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sowing (AREA)

Abstract

A backpack type forest seed dibbler comprises a backpack type seed box and a seeding device, wherein the inlet end of the seeding device is communicated with the outlet end of the bottom of the backpack type seed box through a hose, the seeding device comprises an upper inoculation component, a lower seed discharging component, a quantitative material taking component and a seeding control component, the upper inoculation component, the quantitative material taking component and the lower seed discharging component are sequentially connected, and the seeding control component is arranged on one side of the quantitative material taking component; through pulling seeding control unit, make seeding control unit along upper portion inoculation part, lower part seed metering part upward movement to promote the ration to get the material part ration and acquire the forest seed that enters into in the upper portion inoculation part from the seed box, then in the soil is arranged into through lower part seed metering part, the utility model discloses convenient operation not only can acquire the forest seed by the ration, and in even implantation soil, can injure the seed box back of the body when using moreover, reduces the inconvenience that brings when carrying the seed.

Description

Backpack forest seed dibbler
Technical Field
The utility model relates to a forest seed sowing equipment technical field especially relates to a backpack forest seed dibbler.
Background
The seeding afforestation is a mode of afforestation, and the afforestation mode can be carried out all the year round without being limited by seasons. In order to improve the uniform sowing degree of the tree seeds, the quantity of the tree seeds sowed in the soil needs to be ensured to be certain during sowing; in addition, when some mountain regions are sowed, the seeds are carried and inconvenient, and the tree seeds are often carried by hands while the seeds are sowed, so that the sowing efficiency is greatly reduced.
Disclosure of Invention
In view of the above, there is a need for a backpack forest seed dibbler.
The utility model provides a backpack forest seed dibbler, includes backpack seed case, seeder, and seeder's entry end passes through the exit end intercommunication of hose and backpack seed case bottom, seeder includes upper portion inoculation part, lower part seed metering part, ration material taking part, seeding control unit, and upper portion inoculation part, ration material taking part, lower part seed metering part connect gradually, and the entry end of upper portion inoculation part and the exit end intercommunication of hose, seeding control unit set up in one side of ration material taking part, and seeding control unit's upper end and upper portion inoculation part sliding connection, seeding control unit's lower extreme and lower part seed metering part round pin hub connection, seeding control unit's upper portion and ration material taking part round pin hub connection.
Preferably, the ration is got the material part and is included bin, fetching device, the inside cavity of bin, the top intermediate position of bin is provided with the inlet pipe, the outlet end intercommunication of inlet pipe and upper portion inoculation part, the bottom of bin is provided with the discharging pipe, the discharging pipe is located one side of inlet pipe, the outlet end of discharging pipe and the entry end intercommunication of lower part seed metering part, the bin is located one side of seeding control part and has seted up the round hole on the surface, the fetching device sets up the inside at the bin, and the inner wall relative slip of bin can be followed to the fetching device.
Preferably, the material taking device comprises a quantitative material taking device, one end of the quantitative material taking device is fixedly connected with a push rod, the other end of the push rod penetrates through a round hole and is connected with the seeding control component through a pin shaft, a seed taking hole is formed in the top of the quantitative material taking device and is located on one side, away from the push rod, of the quantitative material taking device, and the seed taking hole penetrates through the top and the bottom of the quantitative material taking device.
Preferably, the upper inoculation part comprises a material receiving pipe, the inlet end of the material receiving pipe is communicated with the outlet end of the hose, the outlet end of the material receiving pipe is communicated with the feeding pipe at the top of the bin, the material receiving pipe is fixedly connected with a holding rod on one side of the sowing control part, a first positioning part is fixedly connected with the position right below the holding rod, and a first guide hole is formed in the first positioning part.
Preferably, the lower seed discharging component comprises a seed discharging pipe, the inlet end of the seed discharging pipe is communicated with a discharging pipe at the bottom of the bin, an inserting mechanism is fixedly arranged at the outlet end of the seed discharging pipe, one end of the inserting mechanism is connected with the seed discharging control component through a pin shaft so as to control the opening or closing of the inserting mechanism, a second positioning part is fixedly connected to one side of the seed discharging pipe, which is located on the seed discharging control component, and a second guide hole is formed in the second positioning part.
Preferably, the insertion mechanism comprises an insertion head and a baffle, the insertion head is fixedly arranged at the outlet end of the seed discharging pipe, the upper part of the baffle is connected with the upper part of the insertion head through a pin shaft, and one end, far away from the insertion head, of the upper part of the baffle is connected with a seeding control part through a pin shaft so as to control the opening or closing of the baffle through the seeding control part.
Preferably, the seeding control part is including drawing the pull rod, return mechanism, push mechanism, the upper end of drawing the pull rod is located under the holding rod, and be located first setting element directly over, the lower extreme of drawing the pull rod downwards passes first bullport in proper order, the second bullport, and keep away from the one end round pin hub connection of inserting the head with baffle upper portion, return mechanism is fixed to be set up in the lower part of drawing the pull rod, and be located the top of second setting element, return mechanism's one end and second setting element fixed connection, push mechanism is fixed to be set up on the upper portion of drawing the pull rod, and be located the side below of bin, push mechanism's one end and push rod round pin hub connection.
Preferably, the return mechanism comprises a fixed connecting piece and a return spring, the fixed connecting piece is fixedly arranged at the lower part of the traction pull rod and is positioned above the second positioning piece, one end of the return spring is fixedly connected with the fixed connecting piece, and the other end of the return spring is fixedly connected with the second positioning piece.
Preferably, push mechanism is including connecting base, connecting rod, connects the fixed upper portion that sets up at the traction pull rod of base, and is located the side below of bin, and the one end of connecting rod is connected with the base pin shaft, and the other end and the push rod pin shaft of connecting rod are connected.
Preferably, the top of the backpack type seed box is provided with a seed adding port, the bottom of the backpack type seed box is conical, and a control valve is arranged at a position where the outlet end of the bottom of the backpack type seed box is connected with the hose.
The utility model adopts the above technical scheme, its beneficial effect lies in: the utility model comprises a backpack seed box and a seeding device, wherein the inlet end of the seeding device is communicated with the outlet end at the bottom of the backpack seed box through a hose, the seeding device comprises an upper inoculation component, a lower seed discharging component, a quantitative material taking component and a seeding control component, the upper inoculation component, the quantitative material taking component and the lower seed discharging component are sequentially connected, the inlet end of the upper inoculation component is communicated with the outlet end of the hose, the seeding control component is arranged at one side of the quantitative material taking component, the upper end of the seeding control component is slidably connected with the upper inoculation component, the lower end of the seeding control component is connected with the lower seed discharging component through a pin shaft, and the upper part of the seeding control component is connected with the quantitative material taking component; through pulling seeding control unit, make seeding control unit along upper portion inoculation part, lower part seed metering part upward movement to promote the ration to get the material part ration and acquire the forest seed that enters into in the upper portion inoculation part from the seed box, then in the soil is arranged into through lower part seed metering part, the utility model discloses convenient operation not only can acquire the forest seed by the ration, and in even implantation soil, can injure the seed box back of the body when using moreover, reduces the inconvenience that brings when carrying the seed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the seeding device of the utility model.
Fig. 3 is a schematic structural view of the quantitative material taking component of the present invention.
Fig. 4 is a schematic cross-sectional structure of fig. 3.
In the figure: the device comprises a backpack seed box 01, a seed adding port 11, a control valve 12, a back belt 13, a seeding device, an upper inoculation part 21, a material receiving pipe 211, a hand-held rod 212, a first positioning part 213, a lower seeding part 22, a seeding pipe 221, an insertion mechanism 222, an insertion head 2221, a baffle 2222, a second positioning part 223, a quantitative material taking part 23, a chamber 231, a material inlet pipe 2311, a material outlet pipe 2312, a material taking device 232, a quantitative material taking device 2321, a seed taking hole 23211, a push rod 2322, a seeding control part 24, a traction pull rod 241, a return mechanism 242, a fixed connecting piece 2421, a return spring 2422, a pushing mechanism 243, a connecting base 2431, a connecting rod 2432 and a hose 03.
Detailed Description
Referring to fig. 1 to 4, an embodiment of the present invention provides a backpack type tree seed dibbler, which comprises a backpack type seed box 01 and a seeding device, wherein an inlet end of the seeding device is communicated with an outlet end at the bottom of the backpack type seed box 01 through a hose 03, the seeding device comprises an upper inoculation component 21, a lower seed discharging component 22, a quantitative material taking component 23 and a seeding control component 24, wherein the upper inoculation component 21, the quantitative material taking component 23 and the lower seed discharging component 22 are sequentially connected, the inlet end of the upper inoculation component 21 is communicated with the outlet end of a hose 03, the seeding control component 24 is arranged on one side of the quantitative material taking component 23, the upper end of the seeding control component 24 is slidably connected with the upper inoculation component 21, the lower end of the seeding control component 24 is in pin connection with the lower seed discharging component 22, and the upper part of the seeding control component 24 is in pin connection with the quantitative material taking component 23.
The quantitative material taking component 23 comprises a bin 231 and a material taking device 232, the bin 231 is hollow, a feeding pipe 2311 is arranged in the middle of the top of the bin 231, the feeding pipe 2311 is communicated with the outlet end of the upper inoculation component 21, a discharging pipe 2312 is arranged at the bottom of the bin 231, the discharging pipe 2312 is positioned on one side of the feeding pipe 2311, the outlet end of the discharging pipe 2312 is communicated with the inlet end of the lower seeding component 22, a round hole is formed in the surface of one side, located on the seeding control component 24, of the bin 231, the material taking device 232 is arranged inside the bin 231, and the material taking device 232 can slide relatively along the inner wall of the bin 231. The seed taking device 232 comprises a quantitative seed taking device 2321, the size of the quantitative seed taking device 2321 is matched with the inner size of the chamber 231, namely, the outer wall of the quantitative seed taking device 2321 is attached to the inner wall of the chamber 231, one end of the quantitative seed taking device 2321 is fixedly connected with a push rod 2322, the other end of the push rod 2322 penetrates through a round hole and is connected with a seeding control component 24 through a pin shaft, a seed taking hole 23211 is formed in the top of the quantitative seed taking device 2321, the seed taking hole 23211 is located on one side, far away from the push rod 2322, of the quantitative seed taking device 2321, and the seed taking hole 23211 penetrates through the top and the bottom of the quantitative seed taking device 232.
When seeds are normally taken, the seed taking hole 23211 is opposite to the feeding pipe 2311, when the seeds need to be discharged from the seed taking hole 23211, the push rod 2322 pushes the quantitative seed taking device 2321 to slide along the inner wall of the chamber 231 to one side away from the traction pull rod 241, at this time, the seed taking hole 23211 is full of the seeds, when the top of the quantitative seed taking device 2321 slides along the top of the chamber 231, the top of the chamber 231 can scrape off the redundant seeds, so that a certain amount of seeds can be kept in the seed taking hole 23211, when the seed taking hole 23211 is opposite to the discharging pipe 2312, the part of the quantitative seed taking device 2321 away from the seed taking hole 23211 can seal the feeding pipe 2311, so that the seeds cannot fall; the actions of seed taking and seed discharging can be realized by repeating the steps.
The upper inoculation part 21 comprises a material receiving pipe 211, the inlet end of the material receiving pipe 211 is communicated with the outlet end of the hose 03, the outlet end of the material receiving pipe 211 is communicated with a material inlet pipe 2311 at the top of the chamber 231, one side of the material receiving pipe 211, which is located on the sowing control part 24, is fixedly connected with a holding rod 212, a first positioning part 213 is fixedly connected under the holding rod 212, and a first guide hole is formed in the first positioning part 213.
The lower seed discharging part 22 comprises a seed discharging pipe 221, the inlet end of the seed discharging pipe 221 is communicated with a discharging pipe 2312 at the bottom of the bin 231, the outlet end of the seed discharging pipe 221 is fixedly provided with an insertion mechanism 222, one end of the insertion mechanism 222 is in pin connection with the seed discharging control part 24 to control the opening or closing of the insertion mechanism 222, one side of the seed discharging pipe 221, which is positioned on the seed discharging control part 24, is fixedly connected with a second positioning part 223, and a second guide hole is formed in the second positioning part 223.
The insertion mechanism 222 includes an insertion head 2221 and a baffle 2222, the insertion head 2221 is fixedly disposed at the outlet end of the seed tube 221, the upper portion of the baffle 2222 is pin-connected to the upper portion of the insertion head 2221, and the end of the upper portion of the baffle 2222 away from the insertion head 2221 is pin-connected to the seeding control part 24, so as to control the opening or closing of the baffle 2222 through the seeding control part 24.
The seeding control part 24 comprises a traction pull rod 241, a return mechanism 242 and a pushing mechanism 243, wherein the upper end of the traction pull rod 241 is positioned right below the holding rod 212 and right above the first positioning piece 213, the lower end of the traction pull rod 241 sequentially penetrates through the first guide hole and the second guide hole downwards and is connected with one end, far away from the insertion head 2221, of the upper part of the baffle 2222 through a pin shaft, the return mechanism 242 is fixedly arranged at the lower part of the traction pull rod 241 and is positioned above the second positioning piece 223, one end of the return mechanism 242 is fixedly connected with the second positioning piece 223, the pushing mechanism 243 is fixedly arranged at the upper part of the traction pull rod 241 and is positioned below the side of the bin 231, and one end of the pushing mechanism 243 is connected with the push rod 2322 through a pin shaft.
The return mechanism 242 includes a fixing connector 2421 and a return spring 2422, the fixing connector 2421 is fixedly disposed on the lower portion of the pull rod 241 and located above the second positioning element 223, one end of the return spring 2422 is fixedly connected to the fixing connector 2421, and the other end of the return spring 2422 is fixedly connected to the second positioning element 223.
The pushing mechanism 243 includes a connecting base 2431 and a connecting rod 2432, the connecting base 2431 is fixedly disposed on the upper portion of the traction pull rod 241 and located below the side of the chamber 231, one end of the connecting rod 2432 is connected with the connecting base 2431 through a pin, and the other end of the connecting rod 2432 is connected with the push rod 2322 through a pin.
Set up braces 13 on backpack kind case 01, backpack kind case 01's top is provided with seed and adds mouth 11, and backpack kind case 01's bottom is the toper, and the exit end of backpack kind case 01 bottom is provided with control flap 12 with the position that hose 03 is connected, when adding the seed, can close control flap 12, when needs sow, can open control flap 12.
The working mode of the utility model is that when seeding is needed, firstly, the tree seeds needed to be seeded are poured into the backpack seed box 01, the worker then backs up the backpack seed box 01, opens the control valve 12, holds the grip rod 212 with the hand, inserts the insertion head 2221 into the soil, and at this time, the worker pulls the pulling rod 241 by hand, the pulling rod 241 moves upward along the first guide hole of the first positioning member 213 and the second guide hole of the second positioning member 223, and drives the connecting base 2431 to move upwards together, at this time, the connecting rod 2432 pushes the push rod 2322 to slide along the circular hole, so that the push rod 2322 pushes the quantitative seed taking device 2321 to slide along the inner wall of the chamber 231 to the side far away from the traction pull rod 241, after the seed taking hole 23211 on the quantitative seed taking device 2321 is communicated with the inlet end of the discharge pipe 2312, the seeds in the seed taking hole 23211 enter the seed discharging pipe 221 through the discharging pipe 2312; when the pulling rod 241 moves upwards, the pulling rod 241 drives the baffle 2222 to rotate, so that the baffle 2222 is opened, seeds entering the seed discharging pipe 221 are discharged into the soil from the insertion head 2221, at the moment, a worker releases the hand, the pulling rod 241 moves downwards under the combined action of the self gravity of the pulling rod 241 and the return tension of the return spring 2422, the baffle 2222 is closed, the connecting rod 2432 pulls the push rod 2322, so that the push rod 2322 pulls the quantitative seed taking device 2321 to slide towards one side close to the pulling rod 241, at the moment, the seed taking hole 23211 is not communicated with the discharging pipe 2312, the seed taking hole 23211 is communicated with the feeding pipe 2311, so that the seeds continuously fall into the seed taking hole 23211, and the operation is repeated, so that continuous quantitative seeding can be realized.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a backpack forest seed dibbler which characterized in that: the portable seeding device comprises an upper inoculation part, a lower seed discharging part, a quantitative material taking part and a seeding control part, wherein the inlet end of the seeding device is communicated with the outlet end of the bottom of the backpack seed box through a hose, the seeding device comprises the upper inoculation part, the lower seed discharging part, the quantitative material taking part and the seeding control part, the upper inoculation part, the quantitative material taking part and the lower seed discharging part are sequentially connected, the inlet end of the upper inoculation part is communicated with the outlet end of the hose, the seeding control part is arranged on one side of the quantitative material taking part, the upper end of the seeding control part is slidably connected with the upper inoculation part, the lower end of the seeding control part is connected with the lower seed discharging part through a pin shaft.
2. The backpack forest seed dibbler of claim 1, wherein: the ration is got the material part and is included bin, fetching device, the inside cavity of bin, the top intermediate position of bin is provided with the inlet pipe, the outlet end intercommunication of inlet pipe and upper portion inoculation part, the bottom of bin is provided with the discharging pipe, the discharging pipe is located one side of inlet pipe, the outlet end of discharging pipe and the entry end intercommunication of lower part seed metering part, the bin is located one side of seeding control unit and has seted up the round hole on the surface, the fetching device sets up the inside at the bin, and the internal wall relative slip of bin can be followed to the fetching device.
3. The backpack forest seed dibbler of claim 2, wherein: the seed taking device comprises a quantitative seed taking device, a push rod is fixedly connected to one end of the quantitative seed taking device, the other end of the push rod penetrates through a round hole and is connected with a seeding control component through a pin shaft, a seed taking hole is formed in the top of the quantitative seed taking device and is located on one side, away from the push rod, of the quantitative seed taking device, and the seed taking hole penetrates through the top and the bottom of the quantitative seed taking device.
4. The backpack forest seed dibbler of claim 1, wherein: the upper inoculation part comprises a material receiving pipe, the inlet end of the material receiving pipe is communicated with the outlet end of the hose, the outlet end of the material receiving pipe is communicated with the feeding pipe at the top of the bin, the material receiving pipe is located on a holding rod fixedly connected to one side of the sowing control part, a first positioning part is fixedly connected to the position right below the holding rod, and a first guide hole is formed in the first positioning part.
5. The backpack forest seed dibbler of claim 1, wherein: the lower seed discharging part comprises a seed discharging pipe, the inlet end of the seed discharging pipe is communicated with a discharging pipe at the bottom of the bin, an inserting mechanism is fixedly arranged at the outlet end of the seed discharging pipe, one end of the inserting mechanism is connected with a seeding control part through a pin shaft so as to control the opening or closing of the inserting mechanism, a second positioning part is fixedly connected to one side of the seed discharging pipe, which is located at the seeding control part, and a second guide hole is formed in the second positioning part.
6. The backpack forest seed dibbler of claim 5, wherein: the inserting mechanism comprises an inserting head and a baffle, the inserting head is fixedly arranged at the outlet end of the seed discharging pipe, the upper part of the baffle is connected with the upper part of the inserting head through a pin shaft, and one end, far away from the inserting head, of the upper part of the baffle is connected with a seeding control component through a pin shaft so as to control the opening or closing of the baffle through the seeding control component.
7. The backpack forest seed dibbler of claim 1, wherein: seeding control unit is including drawing the pull rod, return mechanism, push mechanism, the upper end of drawing the pull rod is located under the holding rod, and be located first setting element directly over, the lower extreme of drawing the pull rod downwards passes first bullport in proper order, the second bullport, and keep away from the one end round pin hub connection of inserting the head with baffle upper portion, return mechanism is fixed to be set up in the lower part of drawing the pull rod, and be located the top of second setting element, return mechanism's one end and second setting element fixed connection, push mechanism is fixed to be set up on the upper portion of drawing the pull rod, and be located the side below of bin, push mechanism's one end and push rod round pin hub connection.
8. The backpack forest seed dibbler of claim 7, wherein: the return mechanism comprises a fixed connecting piece and a return spring, the fixed connecting piece is fixedly arranged on the lower portion of the traction pull rod and is located above the second positioning piece, one end of the return spring is fixedly connected with the fixed connecting piece, and the other end of the return spring is fixedly connected with the second positioning piece.
9. The backpack forest seed dibber of claim 8, wherein: the pushing mechanism comprises a connecting base and a connecting rod, the connecting base is fixedly arranged on the upper portion of the traction pull rod and located below the side of the bin, one end of the connecting rod is connected with the connecting base through a pin shaft, and the other end of the connecting rod is connected with the push rod through a pin shaft.
10. The backpack forest seed dibbler of claim 1, wherein: the top of backpack type seed box is provided with a seed adding port, the bottom of backpack type seed box is conical, and a control valve is arranged at the position where the outlet end of the bottom of backpack type seed box is connected with the hose.
CN201921764223.XU 2019-10-21 2019-10-21 Backpack forest seed dibbler Active CN210745983U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921764223.XU CN210745983U (en) 2019-10-21 2019-10-21 Backpack forest seed dibbler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921764223.XU CN210745983U (en) 2019-10-21 2019-10-21 Backpack forest seed dibbler

Publications (1)

Publication Number Publication Date
CN210745983U true CN210745983U (en) 2020-06-16

Family

ID=71032638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921764223.XU Active CN210745983U (en) 2019-10-21 2019-10-21 Backpack forest seed dibbler

Country Status (1)

Country Link
CN (1) CN210745983U (en)

Similar Documents

Publication Publication Date Title
US4084726A (en) Seed dispenser
KR20200005509A (en) Manual Seeder for Automatic Seeding
CN110521346B (en) Agricultural planting quantitative seeder
CN210745983U (en) Backpack forest seed dibbler
CN206165145U (en) Corn dibble
CN211047823U (en) Hand-held type seeding and fertilizing machine
CN111742659A (en) Agricultural maize seeder
CN209731976U (en) Handheld single-particle and small-particle seeding gun
CN109287212A (en) A kind of row-pitch adjustable residual quantity sowing mechanism
CN212259766U (en) Handheld quinoa quantitative seeder
KR101743451B1 (en) Ginseng seeds seeding apparatus
CN212992990U (en) Quick seeder suitable for circular seed
CN201171275Y (en) Precision seeding machine of tobacco pellet seed
CN109716897A (en) A kind of seeder operating method
CN207399840U (en) A kind of garlic planter
CN201004800Y (en) Chemical fertilizer hole-fertilizing machine
CN212970731U (en) Multifunctional automatic reset planting device
CN208402409U (en) A kind of portable seeder of flue-cured tobacco capsuled seed
CN220915739U (en) Portable corn sowing equipment
CN216218741U (en) A fertilizer injection unit for sweet potato is planted
KR100571703B1 (en) A hand-operated seeding apparatus
CN208387251U (en) The multi-functional high precision seeding machine of miniature electric Pneumatic type
CN218277812U (en) Back-carrying type fertilizing bag
CN218680028U (en) Portable quantitative fertilizer applicator
CN216960750U (en) Small-size precision drilling device of roselle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant