CN212993034U - Multifunctional machine for digging hole and fertilizing - Google Patents
Multifunctional machine for digging hole and fertilizing Download PDFInfo
- Publication number
- CN212993034U CN212993034U CN202021069143.5U CN202021069143U CN212993034U CN 212993034 U CN212993034 U CN 212993034U CN 202021069143 U CN202021069143 U CN 202021069143U CN 212993034 U CN212993034 U CN 212993034U
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- frame
- shaft
- hole digging
- transmission
- swing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 239000003337 fertilizer Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 239000004576 sand Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000004720 fertilization Effects 0.000 description 4
- 241000219112 Cucumis Species 0.000 description 3
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 3
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Fertilizing (AREA)
Abstract
The utility model discloses a multifunctional hole digging and fertilizing machine, which comprises a frame, a hole digging mechanism, a fertilizing mechanism and a depth limiting transmission mechanism; wherein, the front side of the frame is provided with a traction frame; the hole digging mechanism comprises a speed changer arranged on the traction frame, a hole digging shovel arranged on the rear side of the frame and a swing transmission mechanism connected between the speed changer and the hole digging shovel; the fertilizing mechanism comprises a fertilizer box arranged on the rack in a spanning mode, a discharging mechanism arranged at the bottom of the fertilizer box, a furrow opener arranged on the rack and a conveying pipe connected between the discharging mechanism and the furrow opener; the depth limiting transmission mechanism comprises a depth limiting adjusting wheel arranged on the rack and a discharging transmission mechanism arranged between the depth limiting adjusting wheel and the discharging mechanism; the utility model discloses have and dig and transplant the cave and fertilize the dual function, can realize digging the cave and fertilize the operation in step, its structural design is reasonable, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of agricultural mechanical equipment, concretely relates to dig cave, multi-functional machine of fertilizies.
Background
Fertilizing and digging holes are performed in multiple parts in the selenium sand melon transplanting process, a fertilizer applicator performs fertilization first, and holes are dug after a hole digging machine; selenium sand melon is transplanted on the sand field, and fertilizer distributor fertilization need be applied to soil horizon or between soil horizon and the sand bed, and the fertilizer just can play better effect like this, need carry out digging a cave every few days after the fertilization usually, otherwise the fertilizer is easily planed out, or makes the melon seedling sit and lie on the fertilizer easily and produce the seedling problem of burning.
The hole digging and fertilizing operations are completed at one time, so that the transplanting process can be simplified, and the consumption of manpower and material resources is reduced, so that equipment integrating the hole digging and fertilizing functions is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional machine for digging holes and fertilizing, which aims at the defects in the prior art; the hole digging and fertilizing machine has the dual functions of digging transplanting holes and fertilizing, can synchronously realize hole digging and fertilizing operation, and is reasonable in structural design and convenient to use.
In order to achieve the above object, the utility model adopts the following technical scheme:
a multifunctional hole digging and fertilizing machine comprises:
the front side of the frame is provided with a traction frame;
the hole digging mechanism comprises a speed changer arranged on the traction frame, a hole digging shovel arranged on the rear side of the frame and a swing transmission mechanism connected between the speed changer and the hole digging shovel;
the fertilizing mechanism comprises a fertilizer box arranged on the rack in a spanning mode, a discharging mechanism arranged at the bottom of the fertilizer box, a furrow opener arranged on the rack and a conveying pipe connected between the discharging mechanism and the furrow opener;
the depth limiting transmission mechanism comprises a depth limiting adjusting wheel arranged on the rack and a discharging transmission mechanism arranged between the depth limiting adjusting wheel and the discharging mechanism.
Furthermore, the depth limiting adjusting wheel comprises a connecting shaft hinged to two ends of the lower side of the rack through a bearing seat, an H-shaped connecting frame hinged to the connecting shaft, a roller hinged to the H-shaped connecting frame through a rotating shaft, and a depth limiting adjusting mechanism arranged between the rack and the H-shaped connecting frame; the depth limiting adjusting mechanism comprises a bending supporting rod arranged on the rack, an adjusting screw rod penetrating through the bending supporting rod and hinged with the H-shaped connecting frame at one end, and an adjusting nut which is in threaded fit with the adjusting screw rod and is positioned on the upper side and the lower side of the bending supporting rod.
Furthermore, the discharge transmission mechanism comprises a connecting shaft hinged on the rack, chain wheels respectively arranged on the rotating shaft, the connecting shaft and the discharge mechanism, and transmission chains connected between the rotating shaft and the chain wheels of the connecting shaft and between the connecting shaft and the chain wheels of the discharge mechanism; the connecting shaft is arranged near the connecting shaft or outside the end part of the connecting shaft (5) and is concentrically arranged with the connecting shaft.
Furthermore, the discharging mechanism comprises a plurality of shells arranged at the bottom of the fertilizer box and communicated with the fertilizer box, a distributing wheel arranged in the shells and a driving shaft which penetrates through the distributing wheel and is hinged on the supporting legs of the fertilizer box; one end of the conveying pipeline is connected to the bottom of the shell.
Further, the furrow opener comprises a connecting plate arranged on the rack, a plowshare arranged at the lower end of the connecting plate and a positioning pipe arranged at the rear side of the plowshare; the other end of the conveying pipe is inserted into the positioning pipe.
Furthermore, the hole digging shovel comprises a swinging shaft hinged to the rear side of the rack through a bearing seat, a swinging rod connected to the swinging shaft, a connecting rod arranged at the tail end of the swinging rod, and a shovel arranged at the lower end of the connecting rod; the shovel and the furrow opener are not on the same straight line along the traveling direction.
Furthermore, the swing transmission mechanism comprises a transmission disc arranged on the output shaft of the speed changer, a transmission swing rod vertically arranged on the swing shaft, and a transmission rod hinged between the transmission swing rod and the transmission disc.
Furthermore, the traction frame comprises a U-shaped frame fixed on the frame, a connecting lug plate arranged on the front sides of the U-shaped frame and the frame, and a fixing plate arranged on one side of the U-shaped frame; the speed changer is connected to a specified plate.
The utility model has the advantages that:
the utility model can synchronously realize the dual functions of digging, transplanting and fertilizing on the structural design; the power for fertilizing by the fertilizing mechanism can be provided by the depth limiting transmission mechanism, and the depth of the dug hole can be adjusted by the depth limiting transmission mechanism through the depth limiting adjusting mechanism; the whole equipment has reasonable structural design and strong integrity.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural view of the discharging mechanism shown in FIG. 1 with a leg on one side of the fertilizer box removed;
FIG. 3 is a side view of the structure of FIG. 1;
FIG. 4 is a schematic top view of the mechanism of FIG. 1 with the fertilizer can removed;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
fig. 6 is a side view of the structure of fig. 5.
Wherein: 1-a frame; 2-a transmission; 3-a fertilizer box; 4-a material conveying pipe; 5-a connecting shaft; 6-H shaped connecting frame; 7-a rotating shaft; 8-a roller; 9-bending the supporting rod; 10-adjusting the screw; 11-adjusting the nut; 12-a sprocket; 13-a drive chain; 14-a housing; 15-minute dial wheel; 16-a drive shaft; 17-a connecting plate; 18-ploughshare; 19-a positioning tube; 20-a swing shaft; 21-a swing lever; 22-a connecting rod; 23-a shovel; 24-a transmission disc; 25-driving a swing rod; 26-a transmission rod; 27-U-shaped frame; 28-connecting ear plates; 29-fixing plate; 30-connecting the shaft.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings:
example one
As shown in fig. 1 to 4, a multifunctional hole digging and fertilizing machine; which comprises a frame 1, a hole digging mechanism, a fertilizing mechanism and a depth limiting transmission mechanism.
Wherein:
the whole frame 1 is in a lattice shape, particularly in a frame shape like a Chinese character 'mu', a traction frame is arranged on the front side of the frame 1 and is used for being connected with an agricultural tractor; the traction frame comprises a U-shaped frame 27 fixed on the frame 1, a connecting lug plate 28 arranged on the front sides of the U-shaped frame 27 and the frame 1, and a fixing plate 29 arranged on one side of the U-shaped frame 27, the whole structure of the traction frame is a conventional three-point suspension type structure, and the arranged fixing plate 29 is used for fixing the transmission 2 in the hole digging mechanism.
The hole digging mechanism comprises a speed changer 2 arranged on the traction frame, a hole digging shovel arranged at the rear side of the frame 1 and a swing transmission mechanism connected between the speed changer 2 and the hole digging shovel; the transmission 2 can adopt a five-gear manual transmission used on a small-sized automobile, the manual transmission is beneficial to realizing multi-size adjustment of digging space, and parts are shaped products and are beneficial to direct application; the five-gear manual transmission is fixedly connected with a traction frame based on the structural limitation of the five-gear manual transmission; the speed changer 2 can adopt other conventional speed changers and can be particularly fixed on the traction frame and/or the frame 1; the hole digging shovel can realize up-and-down swinging action under the action of the swinging transmission mechanism, and further hole digging operation is realized.
Specifically, the hole digging shovel comprises a swinging shaft 20 hinged to the rear side of the rack 1 through a bearing seat, a swinging rod 21 connected to the swinging shaft 20, a connecting rod 22 arranged at the tail end of the swinging rod 21, and a shovel 23 arranged at the lower end of the connecting rod 22; the swinging rod 21 is in a T shape after being connected with the swinging shaft 20; the shovel 23 is not aligned with the furrow opener in the fertilizing mechanism along the traveling direction, so that fertilizer can act on the outer side of the seed hole.
Specifically, the swing transmission mechanism comprises a transmission disc 24 arranged on an output shaft of the speed changer 2, a transmission swing rod 25 vertically arranged on the swing shaft 20, and a transmission rod 26 hinged between the transmission swing rod 25 and the transmission disc 24; the axial lead of the transmission disc 24 is parallel to the axial lead of the swinging shaft 20; when the transmission 2 drives the transmission disc 24 to rotate, the transmission disc 24 can enable the transmission rod 26 to realize reciprocating transverse movement, so that the transmission rod 26 drives the transmission swing rod 25 to swing around the axial lead of the swing shaft 20, the transmission swing rod 25 drives the swing shaft 20 to realize reciprocating rotation in the swinging process, and the shovel 23 can swing up and down.
The fertilizing mechanism comprises a fertilizer box 3 arranged on the rack 1 in a spanning mode, a discharging mechanism arranged at the bottom of the fertilizer box 3, a furrow opener arranged on the rack 1 and a conveying pipe 4 connected between the discharging mechanism and the furrow opener; the fertilizer box 3 consists of a groove-shaped box body and plate-shaped supporting legs arranged on two sides of the box body, and the supporting legs can be fixedly connected to the rack or detachably connected and fixed with the rack 1; the discharging mechanism is communicated with the fertilizer box 3 and discharges materials through the conveying pipe 4, the conveying pipe 4 can be made of a plastic pipe or a steel pipe, and the furrow opener can extend into the soil layer and can ensure that the materials discharged by the conveying pipe 4 are effectively spread between the soil layer and the sand layer.
Specifically, the discharging mechanism comprises a plurality of shells 14 which are arranged at the bottom of the fertilizer box 3 and communicated with the fertilizer box 3, a distributing wheel 15 arranged in the shells 14, and a driving shaft 16 which penetrates through the distributing wheel 15 and is hinged on a supporting leg of the fertilizer box 3; a plurality of grooves are uniformly distributed on the outer circumference of the distributing wheel 15, and materials can be uniformly conveyed to the material conveying pipe 4 by the grooves in the rotating process of the distributing wheel 15 relative to the shell 14; the driving shaft 16 is hinged with the shell 14 and can drive the minute wheel 15 to rotate; one end of the material conveying pipe 4 is connected to the bottom of the shell 14 and corresponds to the distributing wheel 15.
Specifically, the furrow opener comprises a connecting plate 17 arranged on the frame 1, a plowshare 18 arranged at the lower end of the connecting plate 17 and a positioning pipe 19 arranged at the rear side of the plowshare 18; the other end of the feed delivery pipe 4 is inserted into the positioning pipe 19.
The depth limiting transmission mechanism comprises a depth limiting adjusting wheel arranged on the frame 1 and a discharging transmission mechanism arranged between the depth limiting adjusting wheel and the discharging mechanism; the depth limiting adjusting wheel can realize the adjustment of the digging depth of the digging shovel and the adjustment of the soil penetration depth of the plowshare 18, and meanwhile, the depth limiting adjusting wheel can also realize the driving of the driving shaft 16.
Specifically, the depth limiting adjusting wheel comprises a connecting shaft 5 hinged to two ends of the lower side of the rack 1 through a bearing seat, an H-shaped connecting frame 6 hinged to the connecting shaft 5, a roller 8 hinged to the H-shaped connecting frame 6 through a rotating shaft 7, and a depth limiting adjusting mechanism arranged between the rack 1 and the H-shaped connecting frame 6; the depth limiting adjusting mechanism comprises a bending support rod 9 arranged on the rack 1, an adjusting screw rod 10 penetrating through the bending support rod 9 and having one end hinged with the H-shaped connecting frame 6, and an adjusting nut 11 which is in threaded fit with the adjusting screw rod 10 and is positioned on the upper side and the lower side of the bending support rod 9; the bending support rod 9 is provided with a sliding chute which can be used for adjusting the transverse position of the adjusting screw 10 on the bending support rod 9, so that the adjusting screw 10 is effectively fixed by the adjusting nut 11; the fixed position of the adjusting screw 10 relative to the bent supporting rod 9 can be changed by operating the adjusting nut 11, and the height adjustment of the roller 8 relative to the rack 1 is further realized through the H-shaped connecting frame 6; the roller 8 is in a cylindrical shape, and a plurality of protrusions can be arranged on the outer circumferential surface of the roller 8 and used for effectively contacting with sand to promote the roller 8 to effectively roll.
The discharging transmission mechanism comprises a connecting shaft 30 which is hinged on the frame 1 through a bearing seat and is close to the connecting shaft 5, chain wheels 12 which are respectively arranged on the rotating shaft 7, the connecting shaft 30 and the driving shaft 16, and a transmission chain 13 which is connected between the rotating shaft 7 and the chain wheels 12 of the connecting shaft 30 and between the connecting shaft 30 and the chain wheels 12 of the driving shaft 16; two chain wheels 12 are arranged on the driving shaft 16; the transmission chain 13 between the rotating shaft 7 and the connecting shaft 30 keeps a certain slack to adapt to the distance change between the rotating shaft 7 and the connecting shaft 30 after the roller 8 is adjusted relative to the frame 1; the rotation control of the driving shaft 16 is realized through two sets of chain transmission mechanisms in the rotation process of the roller 8.
The utility model discloses in the use: the transmission 2 is connected with an output shaft at the rear end of the agricultural tractor by a universal coupling; in the process that the agricultural tractor drives the multifunctional hole digging and fertilizing machine to move forwards, the output shaft of the transmission 2 drives the transmission disc 24 to rotate, the transmission disc 24 drives the transmission swing rod 25 to swing back and forth around the axial lead of the swing shaft 20 through the transmission rod 26, the swing shaft 20 is further driven to swing synchronously, the swing shaft 20 drives the shovel 23 to swing up and down through the swing rod 21 and the connecting rod 22, the shovel 23 which swings up and down in the process of moving forwards digs soil at intervals, and hole digging operation is achieved. While the hole digging operation is carried out, the utility model can also carry out fertilization; in the advancing process, the roller 8 rotates and drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the connecting shaft 30 to rotate through the matching of the chain wheel 12 and the transmission chain 13, and the connecting shaft 30 drives the driving shaft 16 to rotate by using the other group of chain wheels 12 and the transmission chain 13; the driving shaft 16 drives the distributing wheel 15 to rotate in the rotating process, materials in the fertilizer box 3 are uniformly conveyed into the conveying pipe 4, the materials enter the positioning pipe 19 through the conveying pipe 4 under the action of gravity, and the fertilizer automatically falls into the ditch under the action of the colter 18 for ditching, so that the application of the fertilizer is realized. When the hole digging depth needs to be adjusted, the adjusting nuts 11 can be loosened to enable the adjusting screw rods 10 to move, after the idler wheels 8 are properly adjusted relative to the position of the rack 1, the adjusting nuts 11 are screwed to enable the two adjusting nuts 11 to clamp the bending supporting rod 9, the adjusting screw rods 10 are fixed relative to the rack 1, the H-shaped connecting frame 6 is also fixed relative to the rack 1, and the hole digging depth adjusting operation is completed.
Example two
As shown in fig. 5 and 6, on the basis of the first embodiment, the discharging transmission mechanism comprises an engaging shaft 30 hinged on the frame 1 through a connecting seat, chain wheels 12 respectively arranged on the rotating shaft 7, the engaging shaft 30 and the driving shaft 16, a transmission chain 13 connected between the rotating shaft 7 and the chain wheels 12 of the engaging shaft 30 and between the engaging shaft 30 and the chain wheels 12 of the driving shaft 16; wherein, the connecting shaft 30 is positioned at the outer side of the end part of the connecting shaft 5 and has the same axle center with the connecting shaft 5; this structure can make the gyro wheel 8 in the adjustment process, and the driving chain 13 between rotation axis 7 and the linking axle 30 remains the bloated tight state throughout, can realize the regulation by a wide margin of gyro wheel 8 relative frame 1 in embodiment one relatively.
Claims (8)
1. The utility model provides a dig cave, multi-functional machine of fertilizies which characterized in that includes:
the front side of the frame (1) is provided with a traction frame;
the hole digging mechanism comprises a speed changer (2) arranged on the traction frame, a hole digging shovel arranged on the rear side of the rack (1), and a swing transmission mechanism connected between the speed changer (2) and the hole digging shovel;
the fertilizing mechanism comprises a fertilizer box (3) arranged on the rack (1) in a spanning mode, a discharging mechanism arranged at the bottom of the fertilizer box (3), a furrow opener arranged on the rack (1) and a conveying pipe (4) connected between the discharging mechanism and the furrow opener;
the depth limiting transmission mechanism comprises a depth limiting adjusting wheel arranged on the rack (1) and a discharging transmission mechanism arranged between the depth limiting adjusting wheel and the discharging mechanism.
2. The multifunctional hole digging and fertilizing machine as claimed in claim 1, characterized in that the depth-limiting adjusting wheel comprises a connecting shaft (5) hinged at both ends of the lower side of the frame (1) through a bearing seat, an H-shaped connecting frame (6) hinged on the connecting shaft (5), a roller (8) hinged on the H-shaped connecting frame (6) through a rotating shaft (7), and a depth-limiting adjusting mechanism arranged between the frame (1) and the H-shaped connecting frame (6); the depth limiting adjusting mechanism comprises a bending supporting rod (9) arranged on the rack (1), an adjusting screw rod (10) which penetrates through the bending supporting rod (9) and is hinged with the H-shaped connecting frame (6) at one end, and an adjusting nut (11) which is in threaded fit with the adjusting screw rod (10) and is positioned on the upper side and the lower side of the bending supporting rod (9).
3. The multifunctional hole digging and fertilizing machine as claimed in claim 2, characterized in that the discharging transmission mechanism comprises an engaging shaft (30) hinged on the frame (1), chain wheels (12) respectively arranged on the rotating shaft (7), the engaging shaft (30) and the discharging mechanism, a transmission chain (13) connected between the rotating shaft (7) and the chain wheels (12) of the engaging shaft (30) and between the engaging shaft (30) and the chain wheels (12) of the discharging mechanism; the connecting shaft (30) is arranged at the side close to the connecting shaft (5) or at the outer side of the end part of the connecting shaft (5) and is concentrically arranged with the connecting shaft (5).
4. A multifunctional hole digging and fertilizing machine as claimed in claim 3, characterized in that the discharging mechanism comprises a plurality of shells (14) arranged at the bottom of the fertilizer box (3) and communicated with the fertilizer box (3), a distributing wheel (15) arranged in the shells (14), and a driving shaft (16) penetrating through the distributing wheel (15) and hinged on the legs of the fertilizer box (3); one end of the material conveying pipe (4) is connected to the bottom of the shell (14).
5. The multifunctional hole digging and fertilizing machine as claimed in claim 4, characterized in that the furrow opener comprises a connecting plate (17) arranged on the frame (1), a plowshare (18) arranged at the lower end of the connecting plate (17), and a positioning pipe (19) arranged at the rear side of the plowshare (18); the other end of the material conveying pipe (4) is inserted into the positioning pipe (19).
6. The multifunctional hole digging and fertilizing machine as claimed in claim 1, characterized in that the hole digging shovel comprises a swing shaft (20) hinged at the rear side of the frame (1) through a bearing seat, a swing rod (21) connected to the swing shaft (20), a connecting rod (22) arranged at the tail end of the swing rod (21), and a shovel (23) arranged at the lower end of the connecting rod (22); the shovel (23) and the furrow opener are not on the same straight line along the traveling direction.
7. The multifunctional hole digging and fertilizing machine as claimed in claim 6, characterized in that the swing transmission mechanism comprises a transmission disc (24) arranged on the output shaft of the speed changer (2), a transmission swing link (25) vertically arranged on the swing shaft (20), and a transmission rod (26) hinged between the transmission swing link (25) and the transmission disc (24).
8. The multifunctional hole digging and fertilizer spreading machine as claimed in claim 1, wherein the traction frame comprises a U-shaped frame (27) fixed on the frame (1), a connecting lug plate (28) arranged at the front side of the U-shaped frame (27) and the frame (1), and a fixing plate (29) arranged at one side of the U-shaped frame (27); the speed changer (2) is connected to the fixing plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069143.5U CN212993034U (en) | 2020-06-11 | 2020-06-11 | Multifunctional machine for digging hole and fertilizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069143.5U CN212993034U (en) | 2020-06-11 | 2020-06-11 | Multifunctional machine for digging hole and fertilizing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212993034U true CN212993034U (en) | 2021-04-20 |
Family
ID=75493895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021069143.5U Expired - Fee Related CN212993034U (en) | 2020-06-11 | 2020-06-11 | Multifunctional machine for digging hole and fertilizing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212993034U (en) |
-
2020
- 2020-06-11 CN CN202021069143.5U patent/CN212993034U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |