CN110574541A - Weeding device for landscaping - Google Patents

Weeding device for landscaping Download PDF

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Publication number
CN110574541A
CN110574541A CN201910953904.9A CN201910953904A CN110574541A CN 110574541 A CN110574541 A CN 110574541A CN 201910953904 A CN201910953904 A CN 201910953904A CN 110574541 A CN110574541 A CN 110574541A
Authority
CN
China
Prior art keywords
base plate
weeding
top end
motor
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910953904.9A
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Chinese (zh)
Inventor
张新春
张蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Hengmao Landscaping Co Ltd
Original Assignee
Yancheng Hengmao Landscaping Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yancheng Hengmao Landscaping Co Ltd filed Critical Yancheng Hengmao Landscaping Co Ltd
Priority to CN201910953904.9A priority Critical patent/CN110574541A/en
Publication of CN110574541A publication Critical patent/CN110574541A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D43/00Mowers combined with apparatus performing additional operations while mowing
    • A01D43/06Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
    • A01D43/063Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material in or into a container carried by the mower; Containers therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/02Driving mechanisms or parts thereof for harvesters or mowers electric

Abstract

The invention relates to the technical field of gardening equipment, in particular to a weeding device for landscaping, which can replace manual weeding, save human resources and improve the working efficiency; the motor comprises a base plate, including a motor, an end cap, a controller, and a cover plate, the transmission shaft, weeding sword and truckle, the bottom plate top is provided with the frame, the frame bottom is connected with the bottom plate bottom, the motor bottom output is connected with the transmission shaft top, the bottom plate top is provided with the through-hole, the transmission shaft bottom passes bottom plate top through-hole and extends to bottom plate bottom downside and weeding sword top and be connected, the bottom plate bottom is provided with the multiunit adjusting block, the adjusting block top is connected with the bottom plate bottom, adjusting block bottom and truckle top rotatable coupling, the truckle bottom takes place relative slip with ground, the bottom plate right-hand member is provided with the handrail of two sets of parallels, the handrail.

Description

weeding device for landscaping
Technical Field
The invention relates to the technical field of gardening equipment, in particular to a weeding device for landscaping.
Background
The greening maintenance, namely the watering, trimming, weeding, pesticide spraying and seedling supplementing in the later period of completing greening construction, is generally called as maintenance, and the work is simple, but indispensable and very important. The maintenance work is not well done, the garden landscape built with large flowers cannot be well maintained, and some plants deteriorate, die and weeds grow rapidly. Therefore, scientific and standardized scientific maintenance management is required for landscape maintenance. Along with the enhancement of urban greening consciousness, the requirements of people on greening and attractiveness of the surrounding environment are higher and higher, for a long time, the pruning of the garden greening belt mainly depends on manual pruning, time is consumed, a large amount of labor is consumed, the non-professional artificially-trimmed grass is irregular, and the integral attractiveness is influenced.
disclosure of Invention
In order to solve the technical problems, the invention provides the weeding device for landscaping, which can replace manual weeding, save human resources and improve the working efficiency.
The invention relates to a weeding device for landscaping, which comprises a base plate, a motor, a transmission shaft, a weeding cutter and trundles, wherein the top end of the base plate is provided with a base, the bottom end of the base is connected with the bottom end of the base plate, the bottom end of the motor is connected with the top end of the base, the output end of the bottom end of the motor is connected with the top end of the transmission shaft, the top end of the base plate is provided with a through hole, the bottom end of the transmission shaft passes through the through hole at the top end of the base plate and extends to the lower side of the bottom end of the base plate to be connected with the top end of the weeding cutter, the weeding cutter is positioned at the lower side of the base plate, the motor outputs power and can drive the weeding cutter to rotate through the transmission shaft, the top end of the base, the right end of the bottom plate is provided with two groups of parallel handrails, the left ends of the handrails are connected with the right end of the bottom plate, supporting rods are arranged between the two groups of handrails, and two ends of each supporting rod are respectively connected with the inner sides of the handrails.
the weeding device for landscaping further comprises a dust collector, a collecting box, a door and a hinge, wherein a channel opening is formed in the top end of the bottom plate, the dust collector is arranged at the bottom end of the bottom plate, the top end of the dust collector is connected with the bottom end of the bottom plate, the collecting box is arranged at the top end of the bottom plate, the bottom end of the collecting box is connected with the top end of the bottom plate, the top end of the dust collector is communicated with the collecting box through the channel opening in the top end of the bottom plate, the dust collector is electrically connected with the generator, an opening is formed in the front end of the collecting box, the left end of the door is connected with the left end of the opening in the front end of the collecting box through.
The weeding device for landscaping comprises a padlock arranged at the front end of a door, the rear end of the padlock is rotatably connected with the front end of the door, a lock nose is arranged at the front end of a collecting box, the rear end of the lock nose is connected with the front end of the door, and the padlock is connected with the lock nose in a matched mode.
According to the weeding device for landscaping, the right end of the caster is provided with the locking plate, the left end of the locking plate is rotatably connected with the right end of the caster, and the caster can be fixed by pulling the locking plate.
According to the weeding device for landscaping, the protection cover is arranged at the top end of the bottom plate, the bottom end of the protection cover is connected with the top end of the bottom plate, the motor and the generator are located inside the protection cover, the heat dissipation net is arranged on the protection cover, and heat generated by the motor and the generator is dissipated to the outside through the heat dissipation net.
The weeding device for landscaping further comprises an adjusting screw and a cushion block, wherein a threaded hole is formed in the bottom end of the adjusting block, the top end of the adjusting screw is connected with the bottom end of the adjusting block in a matched mode, the bottom end of the adjusting screw is rotatably connected with the top end of the cushion block, the height of the adjusting block can be adjusted by rotating the adjusting screw, and the top end of a caster wheel is rotatably connected with the bottom end of the cushion block.
According to the weeding device for landscaping, the baffle is arranged at the bottom end of the bottom plate, the top end of the baffle is connected with the bottom end of the bottom plate, and the weeding knife is positioned on the inner side of the baffle.
The invention relates to a weeding device for landscaping.
Compared with the prior art, the invention has the beneficial effects that: inject the fuel into in the generator oil tank, later starter generator, the generator provides electric power for the motor, the motor circular telegram back, bottom output power drives weeding sword high-speed rotatory through the transmission shaft, and weeding sword position is less than the highest position of grass, and weeding sword high-speed rotatory cuts off the grass, accomplishes the weeding process, and through setting up above device, the device can replace artifical weeding, has saved manpower resources, has improved work efficiency.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of the right-hand side view of the present invention;
FIG. 4 is a schematic structural view of a baffle of the present invention;
In the drawings, the reference numbers: 1. a base plate; 2. a machine base; 3. a motor; 4. a drive shaft; 5. weeding knives; 6. a generator; 7. an adjusting block; 8. a caster wheel; 9. a handrail; 10. a vacuum cleaner; 11. a collection box; 12. a door; 13. a hinge; 14. a handle; 15. a padlock; 16. locking the nose; 17. a locking plate; 18. a protective cover; 19. adjusting the screw rod; 20. cushion blocks; 21. a baffle plate; 22. a handle sleeve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the weeding device for landscaping of the invention comprises a bottom plate 1, a motor 3, a transmission shaft 4, a weeding cutter 5 and casters 8, wherein the top end of the bottom plate 1 is provided with a base 2, the bottom end of the base 2 is connected with the bottom end of the bottom plate 1, the bottom end of the motor 3 is connected with the top end of the base 2, the bottom output end of the motor 3 is connected with the top end of the transmission shaft 4, the top end of the bottom plate 1 is provided with a through hole, the bottom end of the transmission shaft 4 passes through the through hole at the top end of the bottom plate 1 to extend to the lower side of the bottom end of the bottom plate 1 to be connected with the top end of the weeding cutter 5, the weeding cutter 5 is positioned at the lower side of the bottom plate 1, the motor 3 outputs power, the weeding cutter 5 can be driven to rotate by, the top end of the adjusting block 7 is connected with the bottom end of the bottom plate 1, the bottom end of the adjusting block 7 is rotatably connected with the top end of the caster 8, the bottom end of the caster 8 slides relative to the ground, the right end of the bottom plate 1 is provided with two groups of parallel handrails 9, the left end of each handrail 9 is connected with the right end of the bottom plate 1, a support rod is arranged between the two groups of handrails 9, and two ends of each support rod are respectively connected with the; inject the fuel into the 6 oil tanks of generator, later start generator 6, generator 6 provides electric power for motor 3, the circular telegram back of motor 3, bottom output power drives weeding sword 5 high-speed rotatory through transmission shaft 4, weeding sword 5 positions are less than the highest position of grass, the high-speed rotation of weeding sword 5 cuts off the grass, accomplish the weeding process, through setting up above device, the device can replace artifical weeding, manpower resources have been saved, work efficiency has been improved, as shown in fig. 1.
The invention relates to a weeding device for landscaping, which further comprises a dust collector 10, a collecting box 11, a door 12 and a hinge 13, wherein a passage port is formed in the top end of a bottom plate 1, the dust collector 10 is arranged at the bottom end of the bottom plate 1, the top end of the dust collector 10 is connected with the bottom end of the bottom plate 1, the collecting box 11 is arranged at the top end of the bottom plate 1, the bottom end of the collecting box 11 is connected with the top end of the bottom plate 1, the top end of the dust collector 10 is communicated with the collecting box 11 through the passage port in the top end of the bottom plate 1, the dust collector 10 is electrically connected with a generator 6, an opening is formed in the front end of the collecting box 11, the left end of the door 12 is connected with the left end of the opening in the front end of the collecting box 11 through the hinge 13; grass that weeding sword 5 cut off needs the horticulture workman to clean, and through setting up above device, the garrulous grass that dust catcher 10 cut off padlock 15 directly inhales to collection box 11 in, when waiting to collect box 11 and collecting full garrulous grass, opens door 12, empties garrulous grass, has improved work efficiency.
The invention relates to a weeding device for landscaping, wherein a padlock 15 is arranged at the front end of a door 12, the rear end of the padlock 15 is rotatably connected with the front end of the door 12, a lock nose 16 is arranged at the front end of a collecting box 11, the rear end of the lock nose 16 is connected with the front end of the door 12, and the padlock 15 is connected with the lock nose 16 in a matching way; an operator rotates the padlock 15, the padlock 15 is moved away from the lock nose 16, the handle 14 is pulled to open the door 12, then weeds in the collecting box 11 are taken out through the door 12 by using tools, the weeds are accumulated in a unified treatment position, then the door 12 is closed, the padlock 15 is hung on the lock nose 16 by rotating the padlock 15, the motor 03 and the generator 06 are restarted, weeding operation is continued, the door 12 can be fixed by arranging the padlock 15 and the lock nose 16, the situation that the door 12 cannot be closed due to too much grass is prevented, and the practicability is improved.
According to the weeding device for landscaping, the right end of the caster 8 is provided with the locking plate 17, the left end of the locking plate 17 is rotatably connected with the right end of the caster 8, the caster 8 can be fixed by pulling the locking plate 17, and the relative sliding between the caster 8 and the ground is prevented; when the device is not used, need push away the device to the parking position, the relative slip takes place easily with ground for truckle 8, through setting up locking plate 17, can be fixed with truckle 8, prevents that truckle 8 from taking place the relative slip with ground, has improved the steadiness.
According to the weeding device for landscaping, the top end of the bottom plate 1 is provided with the protective cover 18, the bottom end of the protective cover 18 is connected with the top end of the bottom plate 1, the motor 3 and the generator 6 are positioned in the protective cover 18, the protective cover 18 is provided with the radiating net, and heat generated by the motor and the generator is radiated to the outside through the radiating net; in the weeding process of the device, part of the broken grass flies into the air and then falls on the motor 3 and the generator 6, so that the motor 3 and the generator 6 are easy to break down, the device stops working forcibly, and the protective cover 18 is arranged to prevent weeds from falling on the motor 3 and the generator 6, so that the protection performance is improved; the heat generated by the motor and the generator is dissipated to the outside through the heat dissipation net, and the practicability is improved.
The weeding device for landscaping further comprises an adjusting screw rod 19 and a cushion block 20, wherein a threaded hole is formed in the bottom end of the adjusting block 7, the top end of the adjusting screw rod 19 is connected with the bottom end of the adjusting block 7 in a matched mode, the bottom end of the adjusting screw rod 19 is rotatably connected with the top end of the cushion block 20, the adjusting screw rod 19 is rotated to adjust the height of the adjusting block 7, and the top end of a caster 8 is rotatably connected with the bottom end of the cushion block 20; to different afforestation areas, the height standard of grass is different, through rotatory adjusting screw 19, adjusts the height of adjusting block 7, makes weeding sword 5 liftoff highly different, has improved the practicality.
According to the weeding device for landscaping, the baffle plate 21 is arranged at the bottom end of the bottom plate 1, the top end of the baffle plate 21 is connected with the bottom end of the bottom plate 1, and the weeding knife 5 is positioned on the inner side of the baffle plate 21; because motor 3 drives weeding sword 5 through transmission shaft 4 and rotates at a high speed, weeding sword 5 is rotatory at a high speed and is cut off weeds, the weeds that are cut off by weeding sword 5 fly to in the air, nevertheless because baffle 21's effect, the weeds that cut off are by baffle 21 bumping post, baffle 21's effect prevents that the weeds that are cut off from flying everywhere, operating personnel still need carry out the secondary to the afforestation area and clean, through setting up baffle 21, can prevent the garrulous grass that cuts off from flying everywhere, the collection of the garrulous grass of dust catcher 10 of being convenient for, and the practicality has been improved, as shown in fig. 4.
The invention relates to a weeding device for landscaping.A handle sleeve 22 is arranged at the handle at the right end of a handrail 9, and the handle sleeve 22 is sleeved on the handle at the right end of the handrail 9; through set up handle cover 22 on hand, can increase the frictional force of operating personnel hand and handle cover 22, make operating personnel's hand and handle be difficult for skidding, avoided the in-process that promotes because of the emergence that operating personnel hand and handle landing lead to accident, improved the practicality.
The invention relates to a weeding device for landscaping, which is characterized in that when in use, firstly, an adjusting block 7 is adjusted to a proper height to be fixed by rotating an adjusting screw rod 19, then fuel oil is injected into an oil tank of a generator 6, then the generator 6 is started to provide electric power for a motor 3, an operator holds a handle at the right end of a handrail 19 to push the device to slowly move along a cleaning route, a caster 08 slides with the ground, the motor 3 receives the electric power, the output end at the bottom of the motor 3 outputs power after the motor 3 is electrified, the power is transmitted to the top end of a transmission shaft 4, the bottom end of the transmission shaft 4 drives a weeding cutter 5 to rotate at a high speed, the position of the weeding cutter 5 is lower than the highest position of weeds, the side edge of the weeding cutter 5 is contacted with the side edge of the weeds, as the motor 3 drives the weeding cutter 5 to rotate at a high speed through the, but because of the function of the baffle 21, the cut weeds are blocked by the baffle 21, the baffle 21 prevents the cut weeds from flying everywhere, the operator also needs to clean the green area for the second time, the cut weeds fall on the path through which the device passes, the dust collector 10 arranged at the bottom end of 01 cleans the weeds cut by the weeding cutter 5, the weeds are sucked from the left end of the dust collector 10 and enter the collection box 11 through the pipeline, when the collection box 11 is fully collected with the crushed weeds, the generator 16 and the motor 03 are closed, then the lock plate 17 is pulled to lock the 08 caster, then the operator rotates the padlock 15, moves the padlock 15 away from the lock nose 16, pulls the handle 14 to open the door 12, then the weeds in the collection box 11 are taken out through the door 12 by a tool to be piled up to a uniform treatment place, then the door 12 is closed, the padlock 15 is rotated to hang the padlock 15 on the lock nose 16, the motor 03 and the generator 06 are restarted, and (5) continuously carrying out weeding operation.
According to the weeding device for landscaping, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the weeding device can be implemented as long as the beneficial effects of the weeding device can be achieved; the motor and the generator of the weeding device for landscaping are purchased from the market, and technicians in the industry only need to install and operate according to the accompanying instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. a weeding device for landscaping comprises a base plate (1), a motor (3), a transmission shaft (4), a weeding cutter (5) and trundles (8), wherein a base (2) is arranged at the top end of the base plate (1), the bottom end of the base (2) is connected with the bottom end of the base plate (1), the bottom end of the motor (3) is connected with the top end of the base plate (2), the bottom output end of the motor (3) is connected with the top end of the transmission shaft (4), a through hole is formed in the top end of the base plate (1), the bottom end of the transmission shaft (4) penetrates through the through hole in the top end of the base plate (1) and extends to the lower side of the bottom end of the base plate (1) to be connected with the top end of the weeding cutter (5), the weeding cutter (5) is positioned at the lower side of the base plate (1), the motor (3) outputs power, the weeding cutter (, be provided with the oil tank on generator (6), start generator (6) and can provide electric power for motor (3), bottom plate (1) bottom is provided with multiunit adjusting block (7), adjusting block (7) top is connected with bottom plate (1) bottom, adjusting block (7) bottom and truckle (8) top rotatable coupling, truckle (8) bottom and ground take place relative slip, bottom plate (1) right-hand member is provided with handrail (9) of two sets of parallels, handrail (9) left end is connected with bottom plate (1) right-hand member, be provided with the bracing piece between two sets of handrail (9), the bracing piece both ends are connected with handrail (9) inboard respectively.
2. The weeding device for landscaping according to claim 1, further comprising a dust collector (10), a collection box (11), a door (12), and a hinge (13), wherein a passage is provided at the top end of the base plate (1), the dust collector (10) is provided at the bottom end of the base plate (1), the top end of the dust collector (10) is connected to the bottom end of the base plate (1), the collection box (11) is provided at the top end of the base plate (1), the bottom end of the collection box (11) is connected to the top end of the base plate (1), the top end of the dust collector (10) is communicated to the collection box (11) through the passage at the top end of the base plate (1), the dust collector (10) is electrically connected to the generator (6), an opening is provided at the front end of the collection box (11), the left end of the door (12) is connected to the left end of the opening at the front end of the collection box (11) through, the door (12) can cover the opening at the front end of the bottom plate (1), the front end of the door (12) is provided with a handle (14), and the rear end of the handle (14) is connected with the front end of the door (12).
3. A weeding device for landscaping according to claim 2, wherein the front end of the door (12) is provided with a padlock (15), the rear end of the padlock (15) is rotatably connected with the front end of the door (12), the front end of the collection box (11) is provided with a lock nose (16), the rear end of the lock nose (16) is connected with the front end of the door (12), and the padlock (15) and the lock nose (16) are connected in a matching manner.
4. A weeding device for landscaping according to claim 3, wherein the caster (8) has a locking plate (17) at the right end, the left end of the locking plate (17) is rotatably connected to the right end of the caster (8), and the caster (8) can be fixed by pulling the locking plate (17).
5. A weeding device for landscaping according to claim 4, wherein the base plate (1) is provided at its top end with a shield (18), the bottom end of the shield (18) is connected to the top end of the base plate (1), the motor (3) and the generator (6) are located inside the shield (18), and the shield (18) is provided with a heat-dissipating net.
6. The weeding device for landscaping according to claim 5, further comprising an adjusting screw (19) and a cushion block (20), wherein a threaded hole is formed in the bottom end of the adjusting block (7), the top end of the adjusting screw (19) is connected with the bottom end of the adjusting block (7) in a matching manner, the bottom end of the adjusting screw (19) is rotatably connected with the top end of the cushion block (20), the adjusting screw (19) is rotated to adjust the height of the adjusting block (7), and the top end of the caster (8) is rotatably connected with the bottom end of the cushion block (20).
7. A weeding apparatus for landscaping according to claim 6, wherein the bottom of the base plate (1) is provided with a baffle (21), the top of the baffle (21) is connected to the bottom of the base plate (1), and the weeding cutter (5) is located inside the baffle (21).
8. A weeding device for landscaping according to claim 7, wherein a handle sleeve (22) is provided at the right end handle of the handle (9), and the handle sleeve (22) is fitted over the right end handle of the handle (9).
CN201910953904.9A 2019-10-09 2019-10-09 Weeding device for landscaping Pending CN110574541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910953904.9A CN110574541A (en) 2019-10-09 2019-10-09 Weeding device for landscaping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910953904.9A CN110574541A (en) 2019-10-09 2019-10-09 Weeding device for landscaping

Publications (1)

Publication Number Publication Date
CN110574541A true CN110574541A (en) 2019-12-17

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Application Number Title Priority Date Filing Date
CN201910953904.9A Pending CN110574541A (en) 2019-10-09 2019-10-09 Weeding device for landscaping

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CN (1) CN110574541A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111015948A (en) * 2019-12-20 2020-04-17 盐城市权航科技有限公司 Grit material agitating unit for building engineering
CN112640648A (en) * 2020-10-12 2021-04-13 吕庆余 Beautify and maintain with weeding forage guide structure based on gardens
WO2022095011A1 (en) * 2020-11-09 2022-05-12 沈佩军 Weeding device for agricultural planting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090019826A1 (en) * 2007-07-03 2009-01-22 James Edward Rigney Method and apparatus for processing plant materials for bio-fuel production
CN106304951A (en) * 2016-08-18 2017-01-11 合肥信诺捷科节能服务有限公司 Municipal garden intelligent greening and weeding device
CN207135526U (en) * 2017-08-18 2018-03-27 嘉兴后浪文化传媒有限公司 A kind of landscape engineering hay mover
CN108476712A (en) * 2018-03-30 2018-09-04 晋江万智进出口贸易有限公司 It is a kind of with collecting function can flexible modulation angle intelligent grass trimmer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090019826A1 (en) * 2007-07-03 2009-01-22 James Edward Rigney Method and apparatus for processing plant materials for bio-fuel production
CN106304951A (en) * 2016-08-18 2017-01-11 合肥信诺捷科节能服务有限公司 Municipal garden intelligent greening and weeding device
CN207135526U (en) * 2017-08-18 2018-03-27 嘉兴后浪文化传媒有限公司 A kind of landscape engineering hay mover
CN108476712A (en) * 2018-03-30 2018-09-04 晋江万智进出口贸易有限公司 It is a kind of with collecting function can flexible modulation angle intelligent grass trimmer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111015948A (en) * 2019-12-20 2020-04-17 盐城市权航科技有限公司 Grit material agitating unit for building engineering
CN112640648A (en) * 2020-10-12 2021-04-13 吕庆余 Beautify and maintain with weeding forage guide structure based on gardens
WO2022095011A1 (en) * 2020-11-09 2022-05-12 沈佩军 Weeding device for agricultural planting

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Application publication date: 20191217

RJ01 Rejection of invention patent application after publication