CN217470759U - Multifunctional electric weeding machine - Google Patents
Multifunctional electric weeding machine Download PDFInfo
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- CN217470759U CN217470759U CN202221714583.0U CN202221714583U CN217470759U CN 217470759 U CN217470759 U CN 217470759U CN 202221714583 U CN202221714583 U CN 202221714583U CN 217470759 U CN217470759 U CN 217470759U
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- push rod
- electric push
- hinged
- mechanical arm
- weeding
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- 238000009333 weeding Methods 0.000 title claims abstract description 65
- 238000003860 storage Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims 3
- 241000196324 Embryophyta Species 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000012857 repacking Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The utility model discloses a multi-functional electric weeder, including mount, first arm, second arm, third arm, angular adjustment frame, weeding assembly, first electric putter, second electric putter, third electric putter and fourth electric putter. The technical effects achieved are as follows: the device adopts a mode of direct electric energy driving, can remove the shoulder weeds and the branches of the highway, and can also trim the middle isolation belt tree shape of the highway; the power is supplied by a storage battery, which is different from the power supplied by a traditional 20kW diesel generator, so that the energy consumption is greatly reduced; the device has simple structure, low cost and light weight; can cooperate pick up car and small van to use, realize dismantling at any time, solve current vehicle repacking, the problem that annual inspection was not closed.
Description
Technical Field
The utility model relates to a weeding equipment technical field, concretely relates to multi-functional electronic weeder.
Background
The green belt can be planted frequently outside the road, a lot of weeds can be generated inevitably in the growth process of the green belt, when vegetation such as weeds and trees are too high, negative effects are easily caused on the running safety of the road, in the prior art, the weeds are generally removed in a mode of spraying a medicament or manually cutting, tree branches and leaves such as short shrubs are removed in a cutting mode, wherein the mode of spraying the medicament easily causes pollution, and the manual cutting mode needs to consume large labor cost.
The prior art road weeder has the following defects: most adopt hydraulic drive, the mode that the diesel engine drove, this mode structure is complicated, needs huge hydraulic equipment to drive, and production cost of manufacture is higher.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a multi-functional electric weeding machine to solve the above-mentioned problem among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
according to the first aspect of the utility model, the multifunctional electric weeding machine comprises a fixed frame, a first mechanical arm, a second mechanical arm, a third mechanical arm, an angle adjusting frame, a weeding assembly, a first electric push rod, a second electric push rod, a third electric push rod and a fourth electric push rod;
the lower end of the first mechanical arm is hinged to the top of the fixed frame, the upper end of the first mechanical arm is hinged to one end of the second mechanical arm, the other end of the second mechanical arm is hinged to one end of the third mechanical arm, the other end of the third mechanical arm is hinged to the middle of the angle adjusting frame, and the first end of the angle adjusting frame is hinged to the middle of the weeding assembly;
the fixed end of the first electric push rod is hinged to the top of the fixed frame, and the telescopic end of the first electric push rod is hinged to the middle of the first mechanical arm;
the fixed end of the second electric push rod is hinged to the middle of the first mechanical arm, and the telescopic end of the second electric push rod is hinged to the middle of the second mechanical arm;
the fixed end of the third electric push rod is hinged to the middle of the second mechanical arm, and the telescopic end of the third electric push rod is hinged to the middle of the third mechanical arm;
the fixed end of the fourth electric push rod is hinged to the middle of the third mechanical arm, and the telescopic end of the fourth electric push rod is hinged to the second end of the angle adjusting frame.
Furthermore, the angle adjusting frame is of an L-shaped structure, the corner of the external corner of the L-shape of the angle adjusting frame is the middle of the angle adjusting frame, one branch end of the L-shape of the angle adjusting frame is the first end of the angle adjusting frame, and the other branch end of the L-shape of the angle adjusting frame is the second end of the angle adjusting frame.
Furthermore, the mobile robot further comprises a mobile base, the lower surface of the mobile base is connected to the top of the fixing frame in a sliding mode, the lower end of the first mechanical arm is hinged to the top of the mobile base, and the fixed end of the first electric push rod is hinged to the top of the mobile base.
Furthermore, the movable base further comprises a guide rail and a sliding block, the top end of the fixed frame is fixedly provided with the guide rail which extends horizontally, the sliding block is fixedly arranged on the lower surface of the movable base, and the sliding block is connected to the guide rail in a sliding mode.
Furthermore, the guide rail is a plurality of, and is a plurality of the guide rail is equidistant to be set up, remove the base and slide the setting simultaneously and be in a plurality of on the guide rail.
Furthermore, the horizontal reciprocating driving device is further included, the fixed end of the horizontal reciprocating driving device is arranged on the fixed frame, and the telescopic end of the horizontal reciprocating driving device is arranged on the movable base.
Further, the horizontal reciprocating driving device is any one of an electric push rod, a gear rack mechanism driven by a motor and a nut-screw pair driven by the motor.
Further, the weeding assembly includes weeding safety cover, rotary driving motor and weeding tool bit, the surface middle part of weeding safety cover articulates the first end of angular adjustment frame, install a plurality ofly on the weeding safety cover rotary driving motor, every rotary driving motor's output shaft is installed the weeding tool bit.
Further, a plurality of the rotary driving motors are distributed at equal intervals along the length direction of the weeding protection cover.
Further, the working voltage of the rotary driving motor, the first electric push rod, the second electric push rod, the third electric push rod and the fourth electric push rod is 24V.
Further, still include the battery, the battery is the rotary driving motor, first electric putter, second electric putter, third electric putter and the power supply of fourth electric putter.
The utility model has the advantages of as follows: the device adopts a mode of direct electric drive, can remove the weeds and the branches on the shoulders of the highway, and can also trim the shape of a middle isolation belt of the highway; the power is supplied by a storage battery, so that the power supply is different from the power supply of a traditional 20kW diesel generator, and the energy consumption is greatly reduced; the device has simple structure, cost saving and light weight; can cooperate pick up car and small van to use, realize dismantling at any time, solve current vehicle repacking, the problem that annual inspection was not closed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.
Fig. 1 is a front view of a multi-functional electric weeding machine according to some embodiments of the present invention.
Fig. 2 is a top view of a multi-functional electric weeding machine according to some embodiments of the present invention.
Fig. 3 is a schematic view of a vertical weeding state of the weeding assembly of the multifunctional electric weeding machine according to some embodiments of the present invention.
Fig. 4 is a schematic view of the horizontal weeding status of the weeding assembly of the multifunctional electric weeding machine according to some embodiments of the present invention.
Fig. 5 is a first perspective view of the multifunctional electric weeding machine according to some embodiments of the present invention.
Fig. 6 is a second perspective view of the multifunctional electric weeding machine according to some embodiments of the present invention.
In the figure: 1. the utility model provides a weeding machine, including mount, 2, removal base, 3, guide rail, 4, slider, 5, first arm, 6, second arm, 7, third arm, 8, angular adjustment frame, 9, weeding assembly, 10, first electric putter, 11, second electric putter, 12, third electric putter, 13, fourth electric putter, 14, rotary driving motor, 15, the weeding tool bit.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 6, the multifunctional electric weeding machine in the first embodiment of the present invention includes a fixing frame 1, a first mechanical arm 5, a second mechanical arm 6, a third mechanical arm 7, an angle adjusting frame 8, a weeding assembly 9, a first electric push rod 10, a second electric push rod 11, a third electric push rod 12, and a fourth electric push rod 13; the lower end of the first mechanical arm 5 is hinged to the top of the fixed frame 1, the upper end of the first mechanical arm 5 is hinged to one end of the second mechanical arm 6, the other end of the second mechanical arm 6 is hinged to one end of the third mechanical arm 7, the other end of the third mechanical arm 7 is hinged to the middle of the angle adjusting frame 8, and the first end of the angle adjusting frame 8 is hinged to the middle of the weeding assembly 9; the fixed end of the first electric push rod 10 is hinged to the top of the fixed frame 1, and the telescopic end of the first electric push rod 10 is hinged to the middle of the first mechanical arm 5; the fixed end of the second electric push rod 11 is hinged to the middle of the first mechanical arm 5, and the telescopic end of the second electric push rod 11 is hinged to the middle of the second mechanical arm 6; the fixed end of the third electric push rod 12 is hinged to the middle of the second mechanical arm 6, and the telescopic end of the third electric push rod 12 is hinged to the middle of the third mechanical arm 7; the fixed end of the fourth electric push rod 13 is hinged to the middle of the third mechanical arm 7, and the telescopic end of the fourth electric push rod 13 is hinged to the second end of the angle adjusting frame 8.
In the above embodiments, it should be noted that, in operation, the upper limit position of the weeding assembly 9 is that the weeding surface of the weeding assembly 9 faces downward horizontally, the lower limit position of the weeding assembly 9 is that the weeding surface of the weeding assembly 9 faces to the left or right vertically, and the weeding assembly 9 can be inclined at any angle between the horizontal 180 ° extension and the vertical 90 ° extension.
The technical effects achieved by the above embodiment are as follows: the device adopts a mode of direct electric energy driving, can remove the shoulder weeds and the branches of the highway, and can also trim the middle isolation belt tree shape of the highway; a storage battery (such as a lithium battery) is adopted for supplying power, so that the power supply is different from the traditional diesel generator with the power of 20kW and the like, and the energy consumption is greatly reduced; the device has simple structure, adopts new energy, obviously saves cost and has light weight; can cooperate pick up car and small van to use, realize dismantling at any time, solve current vehicle repacking, the problem that annual inspection was not closed.
Alternatively, as shown in fig. 1 to 6, in some embodiments, the angle adjusting frame 8 has an L-shaped structure, the corner of the outer corner of the L-shape of the angle adjusting frame 8 is the middle part of the angle adjusting frame 8, one branch end of the L-shape of the angle adjusting frame 8 is the first end of the angle adjusting frame 8, and the other branch end of the L-shape of the angle adjusting frame 8 is the second end of the angle adjusting frame 8.
In the above alternative embodiment, it should be noted that, in the structure of the angle adjustment frame 8 by profile welding, the external corner of the angle adjustment frame 8 refers to the outside of the corner, and the internal corner of the angle adjustment frame 8 refers to the inside of the corner, in order to enhance the strength of the angle adjustment frame 8, a reinforcing rib may be further disposed between two branch ends of the angle adjustment frame 8, and the reinforcing rib may be a quarter arc-shaped metal plate.
Optionally, as shown in fig. 1 to 6, in some embodiments, the robot further includes a moving base 2, a lower surface of the moving base 2 is slidably connected to the top of the fixed frame 1, a lower end of the first robot arm 5 is hinged to the top of the moving base 2, and a fixed end of the first electric putter 10 is hinged to the top of the moving base 2.
In the above alternative embodiment, it should be noted that the fixing device further includes a fixing pin, and when the moving base 2 is manually pushed, the fixing pin is used to lock the moving base 2 at any position of the fixing frame 1.
The beneficial effects of the above alternative embodiment are: through setting up the mobile base 2, realized the adjustment of controlling the position of weeding assembly 9, satisfied the user demand in different positions.
Optionally, as shown in fig. 1 to fig. 6, in some embodiments, the mobile base further includes a guide rail 3 and a slider 4, the horizontally extending guide rail 3 is fixed at the top end of the fixed frame 1, the slider 4 is fixed on the lower surface of the mobile base 2, and the slider 4 is slidably connected to the guide rail 3.
In the above alternative embodiment, it should be noted that the guide rail 3 may be a smooth guide rail with a circular cross section, and the sliding block 4 surrounds and embraces the guide rail 3.
The beneficial effects of the above alternative embodiment are: through setting up guide rail 3 and slider 4, strengthened the smoothness nature that removes base 2 horizontal migration.
Alternatively, as shown in fig. 1 to 6, in some embodiments, the guide rail 3 is multiple, the multiple guide rails 3 are arranged at equal intervals, and the moving base 2 is arranged on the multiple guide rails 3 in a sliding manner.
The beneficial effects of the above alternative embodiment are: through setting up a plurality of guide rails 3, guaranteed the stationarity that removes base 2 horizontal migration.
Optionally, as shown in fig. 1 to fig. 6, in some embodiments, a horizontal reciprocating driving device is further included, a fixed end of the horizontal reciprocating driving device is disposed on the fixed frame 1, and a telescopic end of the horizontal reciprocating driving device is disposed on the movable base 2.
Alternatively, as shown in fig. 1 to 6, in some embodiments, the horizontal reciprocating driving device is any one of an electric push rod, a motor-driven rack-and-pinion mechanism and a motor-driven nut-and-screw pair.
In the above optional embodiment, it should be noted that, when the horizontal reciprocating driving device is an electric push rod, a fixed end of the electric push rod is hinged to the fixed frame 1, and a telescopic end of the electric push rod is arranged on the movable base 2; the horizontal reciprocating driving device is a gear rack mechanism driven by a motor, a motor shell is arranged on the lower surface of the movable base 2, a gear is arranged on an output shaft of the motor, and the gear is meshed with the rack and drives the side of the rack fixed guide rail 3; when the horizontal reciprocating driving device is a nut-screw pair driven by a motor, the guide rail 3 is a screw, the slider 4 is provided with a nut hole, the nut hole of the slider 4 and the screw on the outer peripheral side of the guide rail 3 form the nut-screw pair, the output shaft of the motor is connected with the end part of the screw, and two ends of the screw are rotatably arranged on the fixed frame 1.
The beneficial effects of the above alternative embodiment are: different use requirements are met through different types of the horizontal reciprocating driving device.
Alternatively, as shown in fig. 1 to 6, in some embodiments, the weeding assembly 9 includes a weeding protection cover, a rotary driving motor 14 and a weeding cutter head 15, the middle part of the outer surface of the weeding protection cover is hinged at the first end of the angle adjusting frame 8, the weeding protection cover is provided with a plurality of rotary driving motors 14, and the output shaft of each rotary driving motor 14 is provided with the weeding cutter head 15.
In the above alternative embodiment, it is noted that both ends of the weeding cutter head 15 are provided with torsional striking blades like propellers of an airplane.
Alternatively, as shown in fig. 1-6, in some embodiments, the plurality of rotary drive motors 14 are equally spaced along the length of the weed control housing.
In the above alternative embodiment, it should be noted that the plurality of rotary drive motors 14 may also be distributed at unequal intervals along the length of the weed control cover.
Alternatively, as shown in fig. 1 to 6, in some embodiments, the operating voltages of the rotary driving motor 14, the first electric putter 10, the second electric putter 11, the third electric putter 12, and the fourth electric putter 13 are all 24V.
The electric push rod mechanism further comprises a storage battery, and the storage battery supplies power to the rotary driving motor 14, the first electric push rod 10, the second electric push rod 11, the third electric push rod 12 and the fourth electric push rod 13.
In the above optional embodiment, it should be noted that the storage battery may adopt 4 groups of parallel storage batteries, and the fixing frame 1 may be further provided with a solar panel to supply power to the storage battery.
The beneficial effects of the above alternative embodiment are: through setting up the battery, the duration of a journey ability of device has been improved.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof without substantial changes in the technical content are also regarded as the scope of the present invention.
Claims (10)
1. The multifunctional electric weeding machine is characterized by comprising a fixed frame (1), a first mechanical arm (5), a second mechanical arm (6), a third mechanical arm (7), an angle adjusting frame (8), a weeding assembly (9), a first electric push rod (10), a second electric push rod (11), a third electric push rod (12) and a fourth electric push rod (13);
the lower end of the first mechanical arm (5) is hinged to the top of the fixed frame (1), the upper end of the first mechanical arm (5) is hinged to one end of the second mechanical arm (6), the other end of the second mechanical arm (6) is hinged to one end of the third mechanical arm (7), the other end of the third mechanical arm (7) is hinged to the middle of the angle adjusting frame (8), and the first end of the angle adjusting frame (8) is hinged to the middle of the weeding assembly (9);
the fixed end of the first electric push rod (10) is hinged to the top of the fixed frame (1), and the telescopic end of the first electric push rod (10) is hinged to the middle of the first mechanical arm (5);
the fixed end of the second electric push rod (11) is hinged to the middle of the first mechanical arm (5), and the telescopic end of the second electric push rod (11) is hinged to the middle of the second mechanical arm (6);
the fixed end of the third electric push rod (12) is hinged to the middle of the second mechanical arm (6), and the telescopic end of the third electric push rod (12) is hinged to the middle of the third mechanical arm (7);
the fixed end of the fourth electric push rod (13) is hinged to the middle of the third mechanical arm (7), and the telescopic end of the fourth electric push rod (13) is hinged to the second end of the angle adjusting frame (8).
2. The multi-function electric weeding machine according to claim 1, wherein said angle-adjusting bracket (8) is an L-shaped structure, the corner of the outer corner of the L-shape of said angle-adjusting bracket (8) is the middle of said angle-adjusting bracket (8), one of the branch ends of the L-shape of said angle-adjusting bracket (8) is the first end of said angle-adjusting bracket (8), and the other branch end of the L-shape of said angle-adjusting bracket (8) is the second end of said angle-adjusting bracket (8).
3. The multifunctional electric weeding machine according to claim 1, further comprising a moving base (2), wherein the lower surface of the moving base (2) is slidably connected to the top of the fixed frame (1), the lower end of the first mechanical arm (5) is hinged to the top of the moving base (2), and the fixed end of the first electric push rod (10) is hinged to the top of the moving base (2).
4. The multifunctional electric weeding machine according to claim 3, further comprising a guide rail (3) and a slider (4), wherein the horizontally extending guide rail (3) is fixed to the top end of the fixed frame (1), the slider (4) is fixed to the lower surface of the movable base (2), and the slider (4) is slidably connected to the guide rail (3).
5. The multifunctional electric weeding machine according to claim 4, wherein said guide rail (3) is multiple, said multiple guide rails (3) are equally spaced, and said moving base (2) is slidably disposed on said multiple guide rails (3) at the same time.
6. A multi-function electric weeding machine according to claim 5, further comprising a horizontal reciprocating drive, the fixed end of which is disposed on the fixed frame (1), and the telescopic end of which is disposed on the mobile base (2).
7. The multi-functional electric weeding machine according to claim 6, wherein said horizontal reciprocating drive means is any one of an electric push rod, a motor-driven rack-and-pinion mechanism, and a motor-driven nut-and-screw pair.
8. The multifunctional electric weeding machine according to claim 1, wherein said weeding assembly (9) comprises a weeding protective cover, a rotary driving motor (14) and a weeding cutter head (15), the middle part of the outer surface of said weeding protective cover is hinged at the first end of said angle adjusting frame (8), said weeding protective cover is provided with a plurality of said rotary driving motors (14), and the output shaft of each said rotary driving motor (14) is provided with said weeding cutter head (15).
9. A multi-function electric weeding machine according to claim 8, wherein said rotary drive motors (14) are equally spaced apart along the length of said weeding protection cover.
10. The multifunctional electric weeding machine according to claim 9, wherein the operating voltages of the rotary driving motor (14), the first electric push rod (10), the second electric push rod (11), the third electric push rod (12) and the fourth electric push rod (13) are all 24V;
the electric push rod mechanism is characterized by further comprising a storage battery, wherein the storage battery supplies power to the rotary driving motor (14), the first electric push rod (10), the second electric push rod (11), the third electric push rod (12) and the fourth electric push rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714583.0U CN217470759U (en) | 2022-07-05 | 2022-07-05 | Multifunctional electric weeding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714583.0U CN217470759U (en) | 2022-07-05 | 2022-07-05 | Multifunctional electric weeding machine |
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| Publication Number | Publication Date |
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| CN217470759U true CN217470759U (en) | 2022-09-23 |
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| CN202221714583.0U Active CN217470759U (en) | 2022-07-05 | 2022-07-05 | Multifunctional electric weeding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114946384A (en) * | 2022-07-05 | 2022-08-30 | 牛震杰 | Multifunctional electric weeding machine |
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2022
- 2022-07-05 CN CN202221714583.0U patent/CN217470759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114946384A (en) * | 2022-07-05 | 2022-08-30 | 牛震杰 | Multifunctional electric weeding machine |
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Effective date of registration: 20231211 Address after: Room 111-061, 1st Floor, East Zone, Building 2, Science and Technology Innovation Headquarters, Shenzhen (Harbin) Industrial Park, No. 288 Zhigu Street, Songbei District, Harbin City, Heilongjiang Province, 150000 Patentee after: Heilongjiang Jiaotou Maintenance Technology Co.,Ltd. Address before: 161000 room 1003, unit 2, building 2, shenghewan community, Jianhua District, Qiqihar City, Heilongjiang Province Patentee before: Niu Zhenjie |