CN111280156A - River course weeding device - Google Patents
River course weeding device Download PDFInfo
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- CN111280156A CN111280156A CN202010356168.1A CN202010356168A CN111280156A CN 111280156 A CN111280156 A CN 111280156A CN 202010356168 A CN202010356168 A CN 202010356168A CN 111280156 A CN111280156 A CN 111280156A
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- sleeve
- connecting pipe
- fixed ring
- river
- rod
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
- A01M21/04—Apparatus for destruction by steam, chemicals, burning, or electricity
- A01M21/043—Apparatus for destruction by steam, chemicals, burning, or electricity by chemicals
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
A river weeding device relates to the technical field of river cleaning equipment and comprises a handheld portion, a connecting device, a fixing device and a cartridge case, wherein the handheld portion is provided with the connecting device, the connecting device is provided with the fixing device, the fixing device is provided with the cartridge case, the handheld portion is composed of a holding rod, an anti-skidding sleeve and a spring buckle, the connecting device is composed of a sleeve, a clamping block, a bottom plate and a fixing block, the fixing device is composed of a connecting pipe, a fixing ring, a supporting rod, a limiting rod and a vertebral body, the cartridge case is composed of a case body, an upper plate and a lower plate, and the case body is provided; the invention has strong practicability and very convenient use, can kill aquatic weeds in rivers and ponds from the root part and prevent the aquatic weeds from growing again, is convenient to disassemble and assemble and easy to recover, and has little influence on the water quality of the water area.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of river channel cleaning equipment, in particular to a river channel weeding device.
[ background of the invention ]
As is known, aquatic plants generally refer to herbaceous plants which can grow in water, the aquatic plants are physiologically attached to a water environment, at least part of a reproductive cycle occurs in water or on the surface of water, the aquatic plants are important primary producers in lakes, play an important role in maintaining the stable state of clear water, are often used for stable state conversion in ecological restoration, and have important application values, but the water quality is seriously affected by excessive aquatic plants in rivers and ponds, and the ecological environment of the rivers and the ponds is damaged, most of the existing methods for removing the aquatic plants are physical salvage and removal, although the method can remove the aquatic plants in the rivers in a short time, the method has short retention time and only needs half a month of aquatic plants to grow again, the reason is that only stem leaves of the aquatic plants are salvaged during the salvage, the residual roots of the aquatic plants still remain in underwater silt, and the roots of the aquatic plants are developed in the silt, and the roots are difficult to remove in the weeding operation process, so that the problem of excessive aquatic weeds in the river channel and the pond is difficult to be radically cured.
[ summary of the invention ]
In order to overcome the defects in the background art, the invention discloses a riverway weeding device.
In order to realize the purpose, the invention adopts the following technical scheme:
the utility model provides a river course weeding device, including handheld portion, connecting device, fixing device and cartridge case, be equipped with connecting device in the handheld portion, the last fixing device that is equipped with of connecting device, the last cartridge case that is equipped with of fixing device, handheld portion is by the holding rod, antiskid cover and spring buckle constitute, be equipped with antiskid cover and spring buckle on the holding rod, connecting device is by the sleeve pipe, the fixture block, bottom plate and fixed block constitute, be equipped with fixture block and bottom plate on the sleeve pipe, be equipped with the fixed block on the bottom plate, fixing device is by the connecting pipe, solid fixed ring, the bracing piece, gag lever post and centrum constitute, be equipped with the gag lever post on the bracing piece, be equipped with the centrum on the gag lever post, the cartridge case is by the.
The holding rod is of a cylindrical, prismatic or rectangular structure, one end of the holding rod is provided with an anti-skidding sleeve, the side face of the other end of the holding rod is provided with a spring buckle, and the holding rod is provided with a sleeve.
The sleeve is of a hollow cylindrical, prismatic or rectangular structure, the sleeve is sleeved on the holding rod, the holding rod penetrates through the bottom surface of the upper portion of the sleeve, one end of the holding rod, which is provided with a spring fastener, is arranged in the sleeve, the spring fastener is arranged in the limiting hole, a bottom plate is arranged below the sleeve, the upper portion of the bottom plate is connected with the lower bottom surface of the sleeve, a fixing block is arranged on the lower portion of the bottom plate, the upper portion of the fixing block is connected with the lower portion of the bottom plate, and the limiting hole is formed in the.
The sleeve is provided with at least one limiting hole, the limiting holes are identical in structure and are evenly arranged on the side face of the sleeve, at least one clamping block is arranged between each limiting hole and the bottom plate, the clamping blocks are identical in structure and are evenly arranged on the side face of the sleeve by taking the circle center of the cross section of the sleeve as the center, and a connecting pipe is arranged below the sleeve.
The connecting pipe is hollow cylinder type structure, and the connecting pipe top is equipped with solid fixed ring, and solid fixed ring is hollow cylinder type structure, and solid fixed ring overlaps on the connecting pipe, and solid fixed ring's lower bottom surface is connected with the last bottom surface of connecting pipe, is equipped with at least one draw-in groove on solid fixed ring's the inner wall, and the draw-in groove corresponds the setting with the fixture block, and the draw-in groove uses solid fixed ring's center evenly to set up on solid fixed ring's inner wall as the centre of a circle, and the connecting pipe below is equipped with the.
The side of the connecting pipe is provided with at least one medicine outlet hole, the medicine outlet holes are identical in structure and are uniformly arranged on the side of the connecting pipe, a supporting rod is arranged beside each medicine outlet hole and is of a rectangular, cylindrical or prismatic structure, one end of the supporting rod is connected with the side of the connecting pipe, the other end of the supporting rod is provided with a limiting rod, the limiting rod is of a rectangular, cylindrical or prismatic structure, the side of the limiting rod is connected with the end face of the supporting rod, a cone is arranged below the limiting rod, the bottom face of the cone is connected with the lower face of the limiting rod, and a barrel body is arranged on the connecting pipe.
The barrel body sets up in the connecting tube, and the barrel body is hollow cylinder type structure, and the barrel body top is equipped with the upper plate, and the upper plate is cylinder type structure, and the lower bottom surface of upper plate is connected with the last bottom surface of barrel body, and the last bottom surface of upper plate is equipped with the fixed slot, is equipped with the fixed block in the fixed slot, is equipped with the fixture block between upper plate and the solid fixed ring, and the below of barrel body is equipped with the hypoplastron, and the hypoplastron is cylinder type structure, and the last bottom surface of hypoplastron is connected with the lower bottom surface of barrel body, and the hypoplast.
The barrel body is provided with at least one medicine outlet hole, the medicine outlet holes are identical in structure, and the medicine outlet holes are evenly formed in the side face of the barrel body.
The invention relates to a river weeding device which comprises a handheld part, a connecting device, a fixing device and a cartridge, wherein the connecting device is arranged on the handheld part, the fixing device is arranged on the connecting device, and the cartridge is arranged on the fixing device, so that the aim of removing aquatic weeds in a river or a pond is fulfilled; the invention has strong practicability and very convenient use, can kill aquatic weeds in rivers and ponds from the root part and prevent the aquatic weeds from growing again, is convenient to disassemble and assemble and easy to recover, and has little influence on the water quality of the water area.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of a hand-held portion according to the present invention;
FIG. 3 is a schematic perspective view of the connecting device of the present invention;
FIG. 4 is a schematic perspective view of a fixing device according to the present invention;
FIG. 5 is a perspective view of the cartridge of the present invention;
in the figure: 1. a holding rod; 2. a sleeve; 3. a connecting pipe; 4. an anti-slip sleeve; 5. a support bar; 6. a limiting rod; 7. a vertebral body; 8. a spring buckle; 9. a limiting hole; 10. a base plate; 11. a clamping block; 12. a fixed block; 13. a fixing ring; 14. a card slot; 15. a medicine outlet hole; 16. a barrel body; 17. an upper plate; 18. a lower plate; 19. and fixing the grooves.
[ detailed description ] embodiments
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
With the help of the attached figures 1-5, the river weeding device comprises a handheld part, a connecting device, a fixing device and a cartridge case, wherein the handheld part is provided with the connecting device, the connecting device is provided with the fixing device, the fixing device is provided with the cartridge case, the handheld part is composed of a holding rod 1, an anti-skidding sleeve 4 and a spring buckle 8, the holding rod 1 is provided with the anti-skidding sleeve 4 and the spring buckle 8, the connecting device is composed of a sleeve 2, a clamping block 11, a bottom plate 10 and a fixing block 12, the sleeve 2 is provided with the clamping block 11 and the bottom plate 10, the bottom plate 10 is provided with the fixing block, the fixing ring 13, the supporting rod 5, the limiting rod 6 and the vertebral body 7 are arranged on the connecting pipe 3, the fixing ring 13, the vertebral body 7 and the supporting rod 5 are arranged on the supporting rod 5, the limiting rod 6 is arranged on the limiting rod 6, the vertebral body 7 is arranged on the limiting rod 6, the medicine cylinder is composed of a cylinder body 16, an upper plate 17 and a lower plate 18, and the upper plate 17 and the lower plate 18 are arranged on the cylinder body 16.
The holding rod 1 is of a cylindrical, prismatic or rectangular structure, one end of the holding rod 1 is provided with an anti-skidding sleeve 4, the side surface of the other end of the holding rod 1 is provided with a spring buckle 8, and the holding rod 1 is provided with a sleeve 2.
The sleeve 2 is of a hollow cylindrical, prismatic or rectangular structure, the sleeve 2 is sleeved on the holding rod 1, the holding rod 1 penetrates through the bottom surface of the upper portion of the sleeve 2, one end of the holding rod 1, provided with a spring buckle 8, is arranged in the sleeve 2, a spring buckle 8 is arranged in the limiting hole 9, a bottom plate 10 is arranged below the sleeve 2, the upper portion of the bottom plate 10 is connected with the lower bottom surface of the sleeve 2, a fixing block 12 is arranged on the lower portion of the bottom plate 10, the upper portion of the fixing block 12 is connected with the lower portion of the bottom plate 10, and the limiting hole 9 is formed in the side face of.
The sleeve 2 is provided with at least one limiting hole 9, the limiting holes 9 are identical in structure, the limiting holes 9 are uniformly formed in the side face of the sleeve 2, at least one clamping block 11 is arranged between the limiting hole 9 and the bottom plate 10, the clamping blocks 11 are identical in structure, the clamping blocks 11 are uniformly formed in the side face of the sleeve 2 by taking the circle center of the cross section of the sleeve 2 as the center, and the connecting pipe 3 is arranged below the sleeve 2.
The connecting pipe 3 is hollow cylinder type structure, connecting pipe 3 top is equipped with solid fixed ring 13, gu fixed ring 13 is hollow cylinder type structure, gu fixed ring 13 overlaps on connecting pipe 3, gu fixed ring 13's lower bottom surface is connected with the last bottom surface of connecting pipe 3, gu be equipped with at least one draw-in groove 14 on fixed ring 13's the inner wall, draw-in groove 14 corresponds the setting with fixture block 11, draw-in groove 14 uses solid fixed ring 13's center evenly to set up on solid fixed ring 13's inner wall as the centre of a circle, connecting pipe 3 below is equipped with centrum 7, the bottom surface of centrum is connected with connecting pipe 3's lower.
The side of the connecting pipe 3 is provided with at least one medicine outlet hole 15, the medicine outlet holes 15 have the same structure, the medicine outlet holes 15 are uniformly formed in the side of the connecting pipe 3, a supporting rod 5 is arranged beside the medicine outlet holes 15, the supporting rod 5 is of a rectangular, cylindrical or prismatic structure, one end of the supporting rod 5 is connected with the side of the connecting pipe 3, the other end of the supporting rod 5 is provided with a limiting rod 6, the limiting rod 6 is of a rectangular, cylindrical or prismatic structure, the side of the limiting rod 6 is connected with the end face of the supporting rod 5, a vertebral body 7 is arranged below the limiting rod 6, the bottom face of the vertebral body 7 is connected with the lower portion face of the limiting rod 6, and the connecting pipe 3 is.
The barrel 16 is arranged in the connecting pipe 3, the barrel 16 is of a hollow cylindrical structure, an upper plate 17 is arranged above the barrel 16, the upper plate 17 is of a cylindrical structure, the lower bottom surface of the upper plate 17 is connected with the upper bottom surface of the barrel 16, a fixing groove 19 is formed in the upper bottom surface of the upper plate 17, a fixing block 12 is arranged in the fixing groove 19, a clamping block 11 is arranged between the upper plate 17 and a fixing ring 13, a lower plate 18 is arranged below the barrel 16, the lower plate 18 is of a cylindrical structure, the upper bottom surface of the lower plate 18 is connected with the lower bottom surface of the barrel 16, the lower plate 18 is arranged above the vertebral body 7, and a medicine outlet 15 is formed in the barrel.
The barrel body 16 is provided with at least one medicine outlet hole 15, the medicine outlet holes 15 are identical in structure, and the medicine outlet holes 15 are uniformly formed in the side face of the barrel body 16.
The embodiment of the river weeding device, when in use, the distance between the holding rod 1 and the sleeve 2 is adjusted according to actual needs, the spring buckle 8 on the holding rod 1 is clamped in the limit hole 9 of the sleeve 2, after the adjustment is finished, the sleeve 2 is installed on the connecting pipe 3, the fixing block 12 is clamped in the fixing groove 19 above the cartridge, the sleeve 2 is rotated to enable the medicine outlet hole 15 on the connecting pipe 3 to coincide with the medicine outlet hole 15 of the cartridge, the herbicide is added into the cartridge through the medicine outlet hole 15, then the sleeve 2 is rotated again to enable the medicine outlet hole 15 on the cartridge to be shielded by the pipe wall of the connecting pipe 3, the herbicide in the cartridge is prevented from being lost due to the fact that water flows into the cartridge when entering water, the clamping block 11 on the sleeve 2 is clamped between the fixing ring 13 and the upper plate 17, then the anti-skid 4 sleeve is held by hand to insert the connecting pipe 2 into the silt of the river with concentrated aquatic plants, and the limit rod 6, then the holding rod 4 is rotated, so that the connecting pipe 3 coincides with the medicine outlet hole 15 of the cartridge case, herbicide in the cartridge case is mixed with sludge and water and is released into the sludge generated by the growth of the root system of the aquatic plants, then the holding rod 1 is pulled upwards, the clamping block 11 on the sleeve 2 is separated from the clamping groove 14 on the connecting pipe, the connecting pipe 3 and the cartridge case are remained in the sludge, and the sleeve 2 is taken out from the water.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a river course weeding device, includes handheld portion, connecting device, fixing device and cartridge case, characterized by: be equipped with connecting device on handheld portion, the last fixing device that is equipped with of connecting device, the last cartridge case that is equipped with of fixing device, handheld portion is by the holding rod, antiskid cover and spring buckle constitute, be equipped with antiskid cover and spring buckle on the holding rod, connecting device is by the sleeve pipe, the fixture block, bottom plate and fixed block constitute, be equipped with fixture block and bottom plate on the sleeve pipe, be equipped with the fixed block on the bottom plate, fixing device is by the connecting pipe, gu fixed ring, the bracing piece, gag lever post and centrum constitute, be equipped with solid fixed ring on the connecting pipe, centrum and bracing piece, be equipped with the gag lever post on the bracing piece, be equipped with the centrum on the.
2. A river weeding apparatus according to claim 1, wherein: the holding rod is of a cylindrical, prismatic or rectangular structure, one end of the holding rod is provided with an anti-skidding sleeve, the side face of the other end of the holding rod is provided with a spring buckle, and the holding rod is provided with a sleeve.
3. A river weeding apparatus according to claim 1, wherein: the sleeve is of a hollow cylindrical, prismatic or rectangular structure, the sleeve is sleeved on the holding rod, the holding rod penetrates through the bottom surface of the upper portion of the sleeve, one end of the holding rod, which is provided with a spring fastener, is arranged in the sleeve, the spring fastener is arranged in the limiting hole, a bottom plate is arranged below the sleeve, the upper portion of the bottom plate is connected with the lower bottom surface of the sleeve, a fixing block is arranged on the lower portion of the bottom plate, the upper portion of the fixing block is connected with the lower portion of the bottom plate, and the limiting hole is formed in the.
4. A river weeding apparatus according to claim 1, wherein: the sleeve is provided with at least one limiting hole, the limiting holes are identical in structure and are evenly arranged on the side face of the sleeve, at least one clamping block is arranged between each limiting hole and the bottom plate, the clamping blocks are identical in structure and are evenly arranged on the side face of the sleeve by taking the circle center of the cross section of the sleeve as the center, and a connecting pipe is arranged below the sleeve.
5. A river weeding apparatus according to claim 1, wherein: the connecting pipe is hollow cylinder type structure, and the connecting pipe top is equipped with solid fixed ring, and solid fixed ring is hollow cylinder type structure, and solid fixed ring overlaps on the connecting pipe, and solid fixed ring's lower bottom surface is connected with the last bottom surface of connecting pipe, is equipped with at least one draw-in groove on solid fixed ring's the inner wall, and the draw-in groove corresponds the setting with the fixture block, and the draw-in groove uses solid fixed ring's center evenly to set up on solid fixed ring's inner wall as the centre of a circle, and the connecting pipe below is equipped with the.
6. A river weeding apparatus according to claim 1, wherein: the side of the connecting pipe is provided with at least one medicine outlet hole, the medicine outlet holes are identical in structure and are uniformly arranged on the side of the connecting pipe, a supporting rod is arranged beside each medicine outlet hole and is of a rectangular, cylindrical or prismatic structure, one end of the supporting rod is connected with the side of the connecting pipe, the other end of the supporting rod is provided with a limiting rod, the limiting rod is of a rectangular, cylindrical or prismatic structure, the side of the limiting rod is connected with the end face of the supporting rod, a cone is arranged below the limiting rod, the bottom face of the cone is connected with the lower face of the limiting rod, and a barrel body is arranged on the connecting pipe.
7. A river weeding apparatus according to claim 1, wherein: the barrel body sets up in the connecting tube, and the barrel body is hollow cylinder type structure, and the barrel body top is equipped with the upper plate, and the upper plate is cylinder type structure, and the lower bottom surface of upper plate is connected with the last bottom surface of barrel body, and the last bottom surface of upper plate is equipped with the fixed slot, is equipped with the fixed block in the fixed slot, is equipped with the fixture block between upper plate and the solid fixed ring, and the below of barrel body is equipped with the hypoplastron, and the hypoplastron is cylinder type structure, and the last bottom surface of hypoplastron is connected with the lower bottom surface of barrel body, and the hypoplast.
8. A river weeding apparatus according to claim 1, wherein: the barrel body is provided with at least one medicine outlet hole, the medicine outlet holes are identical in structure, and the medicine outlet holes are evenly formed in the side face of the barrel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356168.1A CN111280156B (en) | 2020-04-29 | 2020-04-29 | River course weeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356168.1A CN111280156B (en) | 2020-04-29 | 2020-04-29 | River course weeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111280156A true CN111280156A (en) | 2020-06-16 |
| CN111280156B CN111280156B (en) | 2022-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010356168.1A Active CN111280156B (en) | 2020-04-29 | 2020-04-29 | River course weeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111280156B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111758717A (en) * | 2020-06-19 | 2020-10-13 | 广东电网有限责任公司 | Plant removing device and plant removing method |
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|---|---|---|---|---|
| CN101356912A (en) * | 2008-09-02 | 2009-02-04 | 厦门大学 | Membrane sustained-release soil administration weed-extractor |
| US9541076B1 (en) * | 2015-04-02 | 2017-01-10 | John Weiss | Fluid delivery device for killing weeds |
| CN206341776U (en) * | 2016-10-25 | 2017-07-21 | 遵义卉之丰现代农业有限公司 | A kind of disinsector for being used to kill insect in nursery stock root soil |
| US20180104706A1 (en) * | 2016-10-13 | 2018-04-19 | Stewart Nagao | Weed Removal Tool |
| CN207952209U (en) * | 2018-01-02 | 2018-10-12 | 河南德冠园林绿化工程有限公司 | A kind of sustained release pre-embedded device for soil-repairing agent |
| CN208095444U (en) * | 2018-03-26 | 2018-11-16 | 杜金连 | A kind of sapling root application equipment |
| CN209886385U (en) * | 2018-12-10 | 2020-01-03 | 江苏索尔雷米环保科技有限公司 | Automatic in-situ multi-point pesticide injection device for soil and underground water remediation |
| CN212589884U (en) * | 2020-04-29 | 2021-02-26 | 麻会欣 | River course weeding device |
-
2020
- 2020-04-29 CN CN202010356168.1A patent/CN111280156B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356912A (en) * | 2008-09-02 | 2009-02-04 | 厦门大学 | Membrane sustained-release soil administration weed-extractor |
| US9541076B1 (en) * | 2015-04-02 | 2017-01-10 | John Weiss | Fluid delivery device for killing weeds |
| US20180104706A1 (en) * | 2016-10-13 | 2018-04-19 | Stewart Nagao | Weed Removal Tool |
| CN206341776U (en) * | 2016-10-25 | 2017-07-21 | 遵义卉之丰现代农业有限公司 | A kind of disinsector for being used to kill insect in nursery stock root soil |
| CN207952209U (en) * | 2018-01-02 | 2018-10-12 | 河南德冠园林绿化工程有限公司 | A kind of sustained release pre-embedded device for soil-repairing agent |
| CN208095444U (en) * | 2018-03-26 | 2018-11-16 | 杜金连 | A kind of sapling root application equipment |
| CN209886385U (en) * | 2018-12-10 | 2020-01-03 | 江苏索尔雷米环保科技有限公司 | Automatic in-situ multi-point pesticide injection device for soil and underground water remediation |
| CN212589884U (en) * | 2020-04-29 | 2021-02-26 | 麻会欣 | River course weeding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111758717A (en) * | 2020-06-19 | 2020-10-13 | 广东电网有限责任公司 | Plant removing device and plant removing method |
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| Publication number | Publication date |
|---|---|
| CN111280156B (en) | 2022-06-03 |
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