CN114946449B - Urban tree maintenance device - Google Patents
Urban tree maintenance device Download PDFInfo
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- CN114946449B CN114946449B CN202210677112.5A CN202210677112A CN114946449B CN 114946449 B CN114946449 B CN 114946449B CN 202210677112 A CN202210677112 A CN 202210677112A CN 114946449 B CN114946449 B CN 114946449B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
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Abstract
The utility model provides a city trees curing means, the device is including the carriage, and the carriage bottom surface is provided with the wheel, and the carriage direction of advance is the front side, and carriage front side rigid coupling has the arc, the axial lead perpendicular to ground of arc, and the arc opens the side towards the front side, and rotatable second arc board of installing in the arc, second arc board and arc are with the axial lead, and the bottom surface of second arc board is provided with around the ditching unit of trees motion, and second arc board top surface is provided with the injection unit that is used for trees drilling injection. The invention can automatically complete the drilling, medicine injection and hole sealing of trees, avoids plant infection, has no pollution after medicine injection, high efficiency and saves cost.
Description
Technical Field
The invention relates to the field of plant maintenance, in particular to an urban tree maintenance device.
Background
The tree maintenance requires regular removal of pests from the trees. The existing insect pest removing means is completed by spraying and spreading medicines, liquid medicine is difficult to be completely absorbed by plants and is easy to lose due to climate influence, and the trunk medicine injection technology is that holes are drilled on trees, the medicines are guided into holes of the trunks, and the medicines are transmitted to each organ of the trees by virtue of transpiration of the trees to kill pests.
When drilling, the drilling position is above 20cm of the tree base. When a plurality of holes are drilled, the distance between the holes is not less than 20cm, the holes are spirally arranged and ascend, the drill bit and the trunk form an angle of 45 degrees during drilling, and the deepest part cannot reach the medullary center of the tree. The number of drilled holes can be determined according to the tree species, the diameter, the insect population density and the weather condition. Generally, the number of drilled holes is large when the trunk diameter is large, the insect population density is large and the rainfall is large, and is small otherwise.
The liquid medicine input method includes a pressurized type and a self-flowing type, wherein the pressurized type means that the medicine is forcibly injected into the tree body by adopting the external pressure. The existing pressurized type medicine injection needs one person to drill holes and then is matched with one person to inject medicine, the working efficiency is low, and a tree maintenance device capable of quickly completing the medicine injection during drilling is urgently needed.
Disclosure of Invention
The invention aims to provide an urban tree maintenance device.
The invention aims to realize the technical scheme, which comprises a carriage, wherein wheels are arranged on the bottom surface of the carriage, the advancing direction of the carriage is the front side, an arc-shaped plate is fixedly connected to the front side of the carriage, the axial lead of the arc-shaped plate is vertical to the ground, the open side of the arc is towards the front side, a second arc plate is rotatably arranged in the arc-shaped plate, the second arc plate and the arc-shaped plate have the same axial lead, a ditching unit moving around trees is arranged on the bottom surface of the second arc plate, and a pesticide injection unit for drilling and injecting pesticide into the trees is arranged on the top surface of the second arc plate;
the medicine injection unit comprises a plurality of medicine injection components which are uniformly arranged around the circle center of the second arc plate;
the medicine injection assembly comprises a first telescopic rod arranged on the top surface of the second arc plate, the telescopic end of the first telescopic rod points to the sky, a first cylinder is fixedly connected, the axial lead of the first cylinder forms an included angle with the ground, one end of the first cylinder points to the center of the second arc plate, one side of the first cylinder points to the center of the second arc plate is opened, and the medicine injection assembly is arranged at the opened position.
Preferably, the medicine injection assembly comprises a second telescopic rod, the second telescopic rod is installed in the first cylinder, the telescopic end of the second telescopic rod points to the open end of the first cylinder and is fixedly connected with a first motor, a first disc is fixedly connected to an output shaft of the first motor, and the output shaft of the first motor and the first disc are coaxial with the first cylinder;
a second motor, a first piston cylinder and a second piston cylinder are uniformly and fixedly connected to the first disc around the circle center, the axial leads of an output shaft of the second motor, the first piston cylinder and the second piston cylinder are all perpendicular to the first disc, and a drill bit is fixedly connected to an output shaft of the second motor;
the first discharge pipe is sleeved on the first piston cylinder in a sliding manner, a spring is sleeved on the first discharge pipe, one end of the spring is fixedly connected with the first discharge pipe, and the other end of the spring is fixedly connected with the second discharge pipe;
pistons are arranged in the first piston cylinder and the second piston cylinder, a piston rod is fixedly connected to the pistons, the other end of the piston rod penetrates through the first disc and extends into the first cylinder, and a bump is fixedly connected to the other end of the piston rod.
Preferably, the inner wall of the circumference of one side of the first cylinder, which is close to the circle center of the second arc plate, is fixedly connected with an installation block, the center line of the installation block is aligned with the axial lead of the second arc plate, one end of the installation block, which faces the open side of the first cylinder, is provided with a clamping groove, and the clamping groove can be used for the projection to slide around the circumference of the circle center of the first disc.
Preferably, a liquid medicine storage box and a wax storage box are arranged in the carriage, stirring blades are arranged in the liquid medicine storage box and the wax storage box, and a heating element is further arranged on the bottom surface of the wax storage box.
Preferably, the first piston cylinder is connected with a first pipeline, and the other end of the first pipeline penetrates through the arc-shaped plate to extend into the carriage and is communicated with the liquid medicine storage tank;
the second piston cylinder is connected with a second pipeline, and the other end of the second pipeline penetrates through the arc-shaped plate to extend into the carriage and is communicated with the wax storage box;
and the first discharge pipe, the first pipeline and the second pipeline are all provided with one-way valves.
Preferably, the ditching unit comprises a plurality of third telescopic rods, the telescopic ends of the third telescopic rods point to the ground, a third motor is fixedly connected, the output shaft of the third motor points to the circle center direction of the second arc plate, and a circular plough blade is fixedly connected.
Preferably, the second arc plate top surface is fixedly connected with an arc tooth section, a fourth motor is installed on the inner side wall of the arc plate, an output shaft of the fourth motor points to the second arc plate and is fixedly connected with a bevel gear, and the bevel gear is meshed with the arc tooth section.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the invention can automatically complete the drilling, medicine injection and hole sealing of trees, avoids plant infection, has no pollution after medicine injection, high efficiency and saves cost.
2. According to the tree hole positioning device, the drill bit, the first piston cylinder and the second piston cylinder are respectively contacted with trees through the included angle between the first disc and the ground, the stations are not interfered with each other during working, the first disc is driven to rotate by a fixed angle, the piston cylinder can accurately position tree holes after drilling, and the pesticide injection efficiency is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof.
Drawings
The drawings of the invention are illustrated below.
FIG. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of a second arc plate of the present invention.
FIG. 3 is a schematic view of the drug injection assembly of the present invention.
Fig. 4 is a schematic view of a first disk of the present invention.
Fig. 5 is a schematic view of the mounting block of the present invention.
Fig. 6 is a schematic view of the piston cylinder of the present invention.
Fig. 7 is a schematic view of the cabin of the present invention.
In the figure: 1. a carriage; 2. a wheel; 3. an arc-shaped plate; 4. a second arc plate; 5. a first telescopic rod; 6. a first cylinder; 7. a second telescopic rod; 8. a first motor; 9. a first disc; 10. a second motor; 11. a first piston cylinder; 12. a second piston cylinder; 13. a drill bit; 14. a first discharge pipe; 15. a second discharge pipe; 16. a spring; 17. a piston; 18. a piston rod; 19. a bump; 20. mounting blocks; 21. a card slot; 22. a liquid medicine storage tank; 23. a wax storage box; 24. stirring blades; 25. a heating element; 26. a first conduit; 27. a second pipe; 28. a third telescopic rod; 29. a third motor; 30. a circular plough blade; 31. an arc-shaped tooth section; 32. a fourth motor; 33. a bevel gear.
Detailed Description
The invention is further illustrated by the following figures and examples.
In the description of the embodiments of the present invention, it should be noted that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 2, the urban tree maintenance device comprises a carriage 1, wheels 2 are arranged on the bottom surface of the carriage 1, the carriage 1 advances forward, an arc-shaped plate 3 is fixedly connected to the front side of the carriage 1, the axis of the arc-shaped plate 3 is perpendicular to the ground, the arc-shaped open side faces the front side, a second arc-shaped plate 4 is rotatably mounted in the arc-shaped plate 3, the second arc-shaped plate 4 and the arc-shaped plate 3 share the same axis, a ditching unit moving around a tree is arranged on the bottom surface of the second arc-shaped plate 4, and a pesticide injection unit for injecting pesticide for drilling the tree is arranged on the top surface of the second arc-shaped plate 4;
the medicine injection unit comprises a plurality of medicine injection components which are uniformly arranged around the circle center of the second arc plate 4;
the injection subassembly is including installing first telescopic link 5 at 4 top surfaces of second arc board, the directional sky of the flexible end of first telescopic link 5, and the rigid coupling has first drum 6, and 6 axial lead of first drum is 45 contained angles with ground, and the directional second arc board 4 centre of a circle of one end, and one side in the directional second arc board 4 centre of a circle of first drum 6 is opened, and opens the department and install the injection subassembly.
In this embodiment, when needs are bored the injection to trees, before starting trees with this device, arc and second arc surround trees, trees are located arc and second arc centre of a circle department, and drive second arc rotates, and the second arc can rotate a certain extent around trees, and the injection unit lift is adjusted to the first telescopic link of second arc top, and the injection subassembly is to the trunk injection of driling, and the ditching unit of below can loosen the soil around the trunk, ditching.
As shown in fig. 2 to 6, the medicine injection assembly includes a second telescopic rod 7, the second telescopic rod 7 is installed in the first cylinder 6, a telescopic end of the second telescopic rod 7 points to an open end of the first cylinder 6 and is fixedly connected with a first motor 8, an output shaft of the first motor 8 is fixedly connected with a first disc 9, and an output shaft of the first motor 8 and the first disc 9 are coaxial with the first cylinder 6;
a second motor 10, a first piston cylinder 11 and a second piston cylinder 12 are uniformly and fixedly connected to the first disk 9 around the circle center, the axial leads of an output shaft of the second motor 10, the first piston cylinder 11 and the second piston cylinder 12 are all perpendicular to the first disk 9, and a drill bit 13 is fixedly connected to an output shaft of the second motor 10;
a first discharge pipe 14 is fixedly connected to one ends of the first piston cylinder 11 and the second piston cylinder 12, which face the center of the circle of the second arc plate 4, a second discharge pipe 15 is slidably sleeved on the first discharge pipe 14, a spring 16 is further sleeved on the first discharge pipe 14, one end of the spring 16 is fixedly connected with the first discharge pipe 14, and the other end of the spring is fixedly connected with the second discharge pipe 15;
In the embodiment, the second telescopic rod drives the first disc to reciprocate and to be close to or far away from a tree, the first motor drives the first disc to rotate, the angle required for drilling is 45 degrees, so that the first cylinder and the first disc form an angle of 45 degrees with the ground, the first disc is rotated, when the second motor is positioned at the highest position of the horizontal position, the second telescopic rod extends out to drive the drill bit to drill, and because of the angle problem, the first piston cylinder and the second piston cylinder are farther away from the tree at the moment and cannot contact the tree;
after drilling is completed, the first disc rotates to drive the first piston cylinder to the highest position of the horizontal position, the second telescopic rod drives the first piston cylinder to extend out, the second discharge pipe is inserted into the hole, if the depth of the hole is limited, the second discharge pipe can slide on the first discharge pipe, the spring is compressed, the piston is pulled, the first piston cylinder injects liquid medicine, and the second telescopic rod drives the first piston cylinder to return;
the first disc rotates to drive the second piston cylinder to the highest position of the horizontal position, the second telescopic rod extends out of the second piston cylinder, a second discharge pipe of the second piston cylinder is inserted into the hole, the piston is pulled, and the second piston cylinder injects wax liquid to close the hole;
the device realizes mutual noninterference during the work of stretching out between drill bit, the first piston cylinder and the second piston cylinder through the contained angle, and through the fixed angle of first disc rotation, accurate location guarantees work efficiency.
As shown in fig. 4 to 5, a mounting block 20 is fixedly connected to the inner circumferential wall of the first cylinder 6 on the side close to the center of the second arc plate 4, the center line of the mounting block 20 is aligned with the axial line of the second arc plate 4, a slot 21 is formed in the end of the mounting block 20 facing the open side of the first cylinder 6, and the slot 21 allows the protrusion 19 to slide circumferentially around the center of the first disc 9.
In the embodiment, (taking the first piston cylinder as an example, and the second piston cylinder is the same as the first piston cylinder), the first disc rotates, when the first piston cylinder moves to the highest position of the horizontal position, the position is the position needing to work, the rest stations are far away from the tree, the bump of the first piston cylinder just slides into the clamping groove of the mounting block, the second telescopic rod extends out to drive the first piston cylinder to extend out to be close to the tree, the second discharge pipe is inserted into the hole of the tree, and the bump is limited, so the piston rod is not moved, the first piston cylinder moves, and then the liquid medicine is extracted from the liquid medicine storage tank through the first pipeline in the first piston cylinder;
when the second telescopic rod retracts, the piston rod is fixed because the lug is limited, the first piston cylinder moves, and then the liquid medicine extracted from the first piston cylinder is pushed out by the piston and is injected into the holes of the trees.
As shown in fig. 7, a liquid medicine storage tank 22 and a wax storage tank 23 are arranged in the carriage 1, stirring blades 24 are arranged in the liquid medicine storage tank 22 and the wax storage tank 23, and a heating element 25 is further arranged on the bottom surface of the wax storage tank 23.
In this embodiment, the medical fluid storage tank is used for storing medical fluid for injection, and the wax storage tank stores wax for sealing the hole.
As shown in fig. 1 to 3, a first pipe 26 is connected to the first piston cylinder 11, and the other end of the first pipe 26 passes through the arc plate 3 and extends into the compartment 1, and is communicated with the liquid medicine storage tank 22;
the second piston cylinder 12 is connected with a second pipeline 27, and the other end of the second pipeline 27 penetrates through the arc-shaped plate 3 to extend into the carriage 1 and is communicated with the wax storage tank 23;
the first discharge pipe 14, the first pipeline 26 and the second pipeline 27 are provided with one-way valves.
In this embodiment, the first discharging pipes of the first piston cylinder and the second piston cylinder are provided with check valves for discharging liquid, the first pipeline and the second pipeline are also provided with check valves for feeding liquid, and the two check valves are used for matching with the movement of the pistons to draw and inject liquid.
As shown in fig. 1 to 2, the ditching unit includes a plurality of third telescopic rods 28, the telescopic ends of the third telescopic rods 28 point to the ground, and are fixedly connected with a third motor 29, and the output shaft of the third motor 29 points to the center of the second arc plate 4, and is fixedly connected with a circular plough blade 30.
In this embodiment, when the second arc plate rotates, the third motor drives the circular plough blade to loosen and ditch the trees circumferentially.
As shown in fig. 2, an arc-shaped tooth section 31 is fixedly connected to the top surface of the second arc plate 4, a fourth motor 32 is mounted on the inner side wall of the arc plate 3, an output shaft of the fourth motor 32 points to the second arc plate 4 and is fixedly connected with a bevel gear 33, and the bevel gear 33 is meshed with the arc-shaped tooth section 31.
In this embodiment, the second motor drives the bevel gear, and the bevel gear drives the second arc plate to rotate through the tooth section.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (6)
1. The urban tree maintenance device is characterized by comprising a carriage (1), wheels (2) are arranged on the bottom surface of the carriage (1), the advancing direction of the carriage (1) is the front side, an arc-shaped plate (3) is fixedly connected to the front side of the carriage (1), the axis of the arc-shaped plate (3) is perpendicular to the ground, the arc-shaped opening side faces the front side, a second arc plate (4) is rotatably mounted in the arc-shaped plate (3), the second arc plate (4) and the arc-shaped plate (3) share the same axis, a ditching unit moving around a tree is arranged on the bottom surface of the second arc plate (4), and a pesticide injection unit for injecting pesticide during drilling the tree is arranged on the top surface of the second arc plate (4);
the medicine injection unit comprises a plurality of medicine injection components which are uniformly arranged around the circle center of the second arc plate (4);
the medicine injection assembly comprises a first telescopic rod (5) arranged on the top surface of the second arc plate (4), the telescopic end of the first telescopic rod (5) points to the sky and is fixedly connected with a first cylinder (6), the axis of the first cylinder (6) forms an included angle of 45 degrees with the ground, one end of the first cylinder points to the circle center of the second arc plate (4), one side of the first cylinder (6) pointing to the circle center of the second arc plate (4) is open, and the medicine injection assembly is arranged at the open position;
the medicine injection assembly comprises a second telescopic rod (7), the second telescopic rod (7) is installed in the first cylinder (6), the telescopic end of the second telescopic rod (7) points to the open end of the first cylinder (6), and is fixedly connected with a first motor (8), a first disc (9) is fixedly connected to the output shaft of the first motor (8), and the output shaft of the first motor (8) and the first disc (9) are coaxial with the first cylinder (6);
a second motor (10), a first piston cylinder (11) and a second piston cylinder (12) are uniformly and fixedly connected to the first disc (9) around the circle center, the axial leads of an output shaft of the second motor (10), the first piston cylinder (11) and the second piston cylinder (12) are all perpendicular to the first disc (9), and a drill bit (13) is fixedly connected to an output shaft of the second motor (10);
one ends of the first piston cylinder (11) and the second piston cylinder (12) facing the circle center of the second arc plate (4) are fixedly connected with a first discharge pipe (14), a second discharge pipe (15) is slidably sleeved on the first discharge pipe (14), a spring (16) is further sleeved on the first discharge pipe (14), one end of the spring (16) is fixedly connected with the first discharge pipe (14), and the other end of the spring is fixedly connected with the second discharge pipe (15);
pistons (17) are arranged in the first piston cylinder (11) and the second piston cylinder (12), a piston rod (18) is fixedly connected to the pistons (17), the other end of the piston rod (18) penetrates through the first disc (9) to extend into the first cylinder (6), and a bump (19) is fixedly connected to the other end of the piston rod.
2. The urban tree maintenance device according to claim 1, wherein a mounting block (20) is fixedly connected to the inner circumferential wall of the first cylinder (6) on the side close to the center of the second arc plate (4), the center line of the mounting block (20) is aligned with the axis of the second arc plate (4), a clamping groove (21) is formed in one end, facing the open side of the first cylinder (6), of the mounting block (20), and the clamping groove (21) allows the projection (19) to slide circumferentially around the center of the first disc (9).
3. The urban tree maintenance device according to claim 2, wherein a liquid medicine storage tank (22) and a wax storage tank (23) are arranged in the carriage (1), stirring blades (24) are arranged in the liquid medicine storage tank (22) and the wax storage tank (23), and a heating element (25) is further arranged on the bottom surface of the wax storage tank (23).
4. A city tree maintenance device as claimed in claim 3, wherein the first piston cylinder (11) is connected with a first pipeline (26), and the other end of the first pipeline (26) passes through the arc plate (3) to extend into the carriage (1) and is communicated with the liquid medicine storage tank (22);
a second pipeline (27) is connected to the second piston cylinder (12), and the other end of the second pipeline (27) penetrates through the arc-shaped plate (3) to extend into the carriage (1) and is communicated with the wax storage box (23);
the first discharge pipe (14), the first pipeline (26) and the second pipeline (27) are all provided with one-way valves.
5. The urban tree maintenance device according to claim 4, wherein the ditching unit comprises a plurality of third telescopic rods (28), the telescopic ends of the third telescopic rods (28) point to the ground and are fixedly connected with third motors (29), the output shafts of the third motors (29) point to the circle center direction of the second arc plates (4) and are fixedly connected with circular plough blades (30).
6. A city tree maintenance device according to claim 5, characterized in that the top surface of the second arc plate (4) is fixedly connected with an arc-shaped tooth section (31), the inner side wall of the arc plate (3) is provided with a fourth motor (32), the output shaft of the fourth motor (32) points to the second arc plate (4) and is fixedly connected with a bevel gear (33), and the bevel gear (33) is meshed with the arc-shaped tooth section (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677112.5A CN114946449B (en) | 2022-06-15 | 2022-06-15 | Urban tree maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677112.5A CN114946449B (en) | 2022-06-15 | 2022-06-15 | Urban tree maintenance device |
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| Publication Number | Publication Date |
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| CN114946449A CN114946449A (en) | 2022-08-30 |
| CN114946449B true CN114946449B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210677112.5A Active CN114946449B (en) | 2022-06-15 | 2022-06-15 | Urban tree maintenance device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5239773A (en) * | 1992-06-22 | 1993-08-31 | Doolittle Jr Glayne D | Tree injection system |
| CN208940533U (en) * | 2018-08-13 | 2019-06-07 | 山东省农业科学院植物保护研究所 | For preventing and treating the entomopathogenic nematode injection device of longicorn |
| CN210846949U (en) * | 2019-10-15 | 2020-06-26 | 海南齐鲁园林开发有限公司 | Afforestation is with applying paint device with a brush |
| CN114208796A (en) * | 2021-12-28 | 2022-03-22 | 新泰市国有土门林场 | Forestry disease and pest control device based on internet |
-
2022
- 2022-06-15 CN CN202210677112.5A patent/CN114946449B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5239773A (en) * | 1992-06-22 | 1993-08-31 | Doolittle Jr Glayne D | Tree injection system |
| CN208940533U (en) * | 2018-08-13 | 2019-06-07 | 山东省农业科学院植物保护研究所 | For preventing and treating the entomopathogenic nematode injection device of longicorn |
| CN210846949U (en) * | 2019-10-15 | 2020-06-26 | 海南齐鲁园林开发有限公司 | Afforestation is with applying paint device with a brush |
| CN114208796A (en) * | 2021-12-28 | 2022-03-22 | 新泰市国有土门林场 | Forestry disease and pest control device based on internet |
Non-Patent Citations (1)
| Title |
|---|
| 高国华 ; 陈建 ; 李云伍 ; 郭顺 ; .一种园林高效便携式注射器的设计.农机化研究.2011,(第11期),110-113. * |
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| CN114946449A (en) | 2022-08-30 |
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