CN115299239B - Lawn trimming device and application method thereof - Google Patents
Lawn trimming device and application method thereof Download PDFInfo
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- CN115299239B CN115299239B CN202210990188.3A CN202210990188A CN115299239B CN 115299239 B CN115299239 B CN 115299239B CN 202210990188 A CN202210990188 A CN 202210990188A CN 115299239 B CN115299239 B CN 115299239B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
- A01D43/077—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material with auxiliary means, e.g. fans, for transporting the mown crop
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/81—Casings; Housings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/82—Other details
- A01D34/828—Safety devices
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a lawn trimming device which comprises a supporting mechanism, a blade transmission mechanism, a blade adjusting mechanism, an isolating mechanism, a broken grass recycling mechanism, a broken grass filtering mechanism and a travelling mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; the supporting mechanism comprises a supporting plate and supporting legs positioned below the supporting plate; the blade transmission mechanism is connected with the supporting plate and moves to enable the blade to do rotary motion so as to modify the lawn; the blade adjusting mechanism is arranged on the supporting plate and used for adjusting the height of the blade; the isolating mechanism is arranged at the front end of the blade and connected with the supporting legs and is used for pushing away the big stone blocks in the advancing direction of the blade; the broken grass recycling mechanism is connected with the supporting plate and used for recycling broken grass; the broken grass filtering mechanism is arranged in a grass collecting box of the broken grass recycling mechanism and is used for placing broken grass into a suction fan of the broken grass recycling mechanism; the travelling mechanism is arranged below the supporting legs. The invention also provides a using method of the lawn trimming device. The invention can adjust the height of the pruning tool and improve the recovery efficiency of broken grass.
Description
Technical Field
The invention belongs to the field of lawn trimming, and particularly relates to a lawn trimming device and a using method thereof.
Background
As a greening, landscape is increasingly valued and loved by people. With the increase of landscape, the later maintenance (pesticide spraying, pest removal, soil loosening, watering, lawn trimming and the like) is also gradually increased. Among them, lawn mowing is generally performed by a lawn mowing apparatus. Most of the trimming cutters of the existing lawn trimming devices are fixedly arranged on a certain structure of the trimming device, the trimming cutters cannot be adjusted, if the height of the blades needs to be changed, the heights of the blades can be adjusted up and down manually, and the use is very inconvenient. Meanwhile, the recycling and grass breaking efficiency of the existing lawn trimming device is generally not high.
Disclosure of Invention
The invention aims to provide a lawn trimming device capable of adjusting the height of a trimming cutter and improving the recovery efficiency of broken grass and a using method thereof.
The technical scheme adopted by the invention is as follows:
a lawn trimming device comprises a supporting mechanism, a blade transmission mechanism, a blade adjusting mechanism, an isolating mechanism, a broken grass recycling mechanism, a broken grass filtering mechanism and a travelling mechanism;
the supporting mechanism comprises a supporting plate and supporting legs positioned below the supporting plate;
the blade transmission mechanism is connected with the supporting plate and moves to enable the blade to do rotary motion so as to modify the lawn;
the blade adjusting mechanism is arranged on the supporting plate and used for adjusting the height of the blade;
the isolating mechanism is arranged at the front end of the blade and connected with the supporting legs, and is used for pushing away the large stone blocks in the advancing direction of the blade and preventing the flying weeds from scattering around;
the broken grass recycling mechanism is connected with the supporting plate and used for recycling broken grass;
the broken grass filtering mechanism is arranged in a grass collecting box of the broken grass recycling mechanism and is used for placing broken grass into a suction fan of the broken grass recycling mechanism;
the travelling mechanism is arranged below the supporting legs and is used for enabling the whole device to walk.
According to the scheme, the blade adjusting mechanism comprises an electric push rod, a bearing seat and a gear; the output end of the electric push rod passes through the supporting plate and then is connected with one end of the bearing seat, the other end of the bearing seat is connected with the upper end of the gear, and the lower end of the gear is connected with the blade;
the blade transmission mechanism comprises a worm wheel and a transmission motor; the worm wheel is meshed with the teeth of the gear; the two ends of the worm wheel are respectively connected with the lower end of the connecting frame through rolling bearings, and the upper end of the connecting frame is connected with the supporting plate; the transmission motor is arranged on the connecting frame, and the output end of the transmission motor is connected with the worm wheel through one of the rolling bearings;
the transmission motor drives the worm wheel to work, the worm wheel drives the gear to move, and the gear drives the blade to do rotary motion; when the height needs to be adjusted, the electric push rod works, the electric push rod drives the gear to move, at the moment, the gear and the worm wheel are not separated from meshing, and the worm wheel can still drive the gear to rotate, so that the height of the blade is adjusted.
According to the scheme, the isolation mechanism comprises a baffle plate and a separation grid; the number of the baffles is two, and the side edges of the baffles are provided with connecting bulges which are connected with the supporting legs; and two ends of the separation grid are respectively connected with the bottom ends of the baffle plates.
According to the scheme, the bottom of the separation grid is 2-3cm away from the ground; the internal space of the grating is 1-2cm.
According to the scheme, the broken grass recycling mechanism comprises a grass collecting cover, a first air pipe, a grass collecting box, a second air pipe and a suction fan;
the grass collecting cover is arranged at the rear of the blade, the front part of the grass collecting cover is provided with an opening, and the upper end of the grass collecting cover is connected with the supporting plate;
one end of the first air pipe is connected with the grass collecting cover, and the other end of the first air pipe penetrates through the supporting plate to be connected with the grass collecting box;
the grass collecting box is arranged on the supporting plate and is connected with the suction fan through a second air pipe.
According to the scheme, the bottom of the grass collecting cover is provided with the opening, so that multidirectional recovery can be realized, and the weed recovery efficiency is improved; the grass collecting box is made of transparent PVC plastic plates.
According to the scheme, the bottom plate and one side plate of the grass collecting box form the extraction type baffle, and the first handle is arranged on the outer surface of the side plate.
According to the scheme, the grass breaking filtering mechanism comprises a vertical plate, a transverse plate, an inclined plate and a filter screen;
one end of the vertical plate is fixed on a bottom plate of the grass collecting box, and a certain distance is kept between the side plates of the grass collecting box, which are opposite to the outlet of the first air pipe;
one end of the transverse plate is fixed on a side plate of the grass collecting box provided with the first air pipe outlet, and a certain distance is kept between the transverse plate and a top plate of the grass collecting box;
an inclined plate is arranged at the opening formed by the vertical plate and the transverse plate; one end of the sloping plate is connected with the transverse plate, and an opening is arranged between the other end of the sloping plate and the vertical plate;
the filter screen is arranged between the transverse plate and the grass collecting box top plate, one end of the filter screen is connected with the inclined plate and the transverse plate, and the other end of the filter screen is connected with the grass collecting box top plate;
the inlet of the second air pipe is arranged on the top plate of the grass collecting box;
the transverse plate, the vertical plate and the inclined plate are utilized to perform first blocking, and the filter screen is utilized to perform second blocking on the broken grass scraps so as to prevent the broken grass scraps from damaging the suction fan; the filter screen can be directly inserted from the upper part of the grass collecting box, so that the installation, the taking out and the cleaning are convenient.
According to the scheme, the lawn trimming device further comprises a battery box arranged on the supporting plate, a storage battery is arranged in the battery box and used for supplying power to the blade transmission mechanism, the blade adjusting mechanism and the grass breaking recovery mechanism, and the storage battery can be charged and is more convenient to use.
According to the scheme, the second handle is arranged at the rear end of the supporting plate, so that the whole device can be conveniently pushed; the travelling mechanism is a universal wheel, and the universal wheel is convenient for the device to move.
A method of using the above lawn mowing apparatus, comprising the steps of:
starting a transmission motor to drive the worm wheel to rotate, so that a gear meshed with the worm wheel rotates, and further driving the blade to rotate to trim lawns; when the height of the blade needs to be adjusted, the electric push rod pushes the gear to move, at the moment, the gear and the worm wheel are not disengaged, and the worm wheel can still drive the gear to rotate, so that the height of the blade is adjusted; in the process of pushing the lawn trimming device to advance, the front isolation cover can automatically separate large stones and prevent flying weeds from scattering around;
starting a suction fan, and sucking broken grass scraps generated by trimming lawns into the grass collecting box through the second air pipe, the grass collecting box, the first air pipe and the grass collecting cover by the suction force generated by the suction fan; the transverse plate, the vertical plate and the inclined plate which are arranged in the grass collecting box are utilized to perform first blocking, and the filter screen is utilized to perform second blocking on the broken grass scraps so as to prevent the broken grass scraps from damaging the suction fan;
when the grass collecting box needs to be cleaned, the first handle is used for pulling out the pull-out type baffle plate to clean the broken grass scraps.
The invention has the beneficial effects that:
the height of the trimming cutter is adjusted by arranging the blade adjusting mechanism so as to adapt to the situation that lawns with different heights need to be trimmed, and the cutter does not need to be replaced, so that the trimming cutter is very convenient to use;
the broken grass recycling mechanism and the broken grass filtering mechanism are arranged, so that the broken grass recycling efficiency is improved;
by arranging the isolation cover and the grass collecting cover with openings on the side surface and the bottom, triple collection of isolation and bidirectional absorption of broken grass is realized, the later manual secondary cleaning is avoided, and the efficiency of recovering broken grass is high;
the grass collecting box is formed by adopting the transparent PVC plastic plates, so that the quantity of broken grass stored in the box body can be observed at any time, and meanwhile, the bottom is provided with the extraction type baffle plate, so that the broken grass can be directly poured; the operation is convenient, the grass breaking and cleaning are quick, and the labor is saved;
the traditional grass collecting box usually only uses a filter screen, and once the blockage phenomenon occurs, the suction fan can be damaged; according to the invention, the vertical plate, the transverse plate and the inclined plate are arranged in the box body to effectively block the broken grass flying inside, meanwhile, the vertical arrangement of the filter screen also avoids the adsorption of the broken grass, the suction fan is effectively protected by two layers of filtering, and the service life of the whole device is prolonged;
the blade is electrically adjusted and lifted, so that compared with the traditional manual up-and-down adjustment of the height of the blade, the device is faster in speed and more convenient to use, and is beneficial to improving the efficiency of lawn trimming; meanwhile, the isolation cover is arranged in front of the blade, so that large stones in the lawn can be separated in time, and the personal safety problems caused by the fact that the blade flies out and the blade touches small stones due to faults are avoided.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic overall construction of a lawn mowing apparatus;
FIG. 2 is a schematic view of the overall construction of the grass cutting device (without the cage);
FIG. 3 is a schematic view of the overall construction of the grass cutting device (without the cage, grass collection cage);
FIG. 4 is a schematic view of the structure of the grass collection box;
FIG. 5 is a schematic structural view of an isolation cover;
in the figure: 1. the grass collecting device comprises a supporting plate, 2, an electric push rod, 3, a bearing seat, 4, gears, 5, blades, 6, worm wheels, 7, rolling bearings, 8, a connecting frame, 9, a transmission motor, 10, a grass collecting cover, 11, a first air pipe, 12, a grass collecting box, 13, a second air pipe, 14, a suction fan, 15, a drawing type baffle, 16, a first handle, 17, a battery box, 18, supporting legs, 19, universal wheels, 20, a filter screen, 21, a second handle, 22, a baffle, 23, a separation grid, 24, a bolt hole, 25, an opening, 26, a sloping plate, 27, a vertical plate, 28, a transverse plate, 29 and a connecting protrusion.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The support mechanism comprises a support plate 1 and 4 parallel arranged support legs 18 under the support plate 1.
The blade adjusting mechanism comprises an electric push rod 2, a bearing seat 3 and a gear 4. The output end of the electric push rod 2 passes through the support plate 1 and then is connected with one end of the bearing seat 3, the other end of the bearing seat 3 is connected with the upper end of the gear 4, and the lower end of the gear 4 is connected with the blade 5.
The blade transmission mechanism comprises a worm wheel 6 and a transmission motor 9. The worm wheel 6 is meshed with the teeth of the gear 4; both ends of the worm wheel 6 are respectively connected with the lower end of a connecting frame 8 through rolling bearings 7, and the upper end of the connecting frame 8 is connected with the supporting plate 1. The transmission motor 9 is arranged on the connecting frame 8, and the output end of the transmission motor is connected with the worm wheel 6 through one of the rolling bearings 7. The transmission motor 9 drives the worm wheel 6 to work, the worm wheel 6 drives the gear 4 to move, and the gear 4 drives the blade 5 to do rotary motion; when the height needs to be adjusted, the electric push rod 2 works, the electric push rod 2 drives the gear 4 to move, at the moment, the gear 4 and the worm wheel 6 are not disengaged, and the worm wheel 6 can still drive the gear 4 to rotate, so that the height of the blade 5 is adjusted.
The isolation mechanism comprises two baffles 22, a separation grid 23. The side edge of the baffle 22 is provided with a connecting protrusion 29, and the connecting protrusion 29 is connected with the supporting leg 18 near the blade 5 through the bolt hole 24. Both ends of the separation grating 23 are respectively connected with the bottom ends of the baffles 22. The bottom of the separation grid 23 is 2.8cm from the ground; the inner space of the sub-grating 23 is 1.5cm. The two side baffles 22 prevent the grass clippings from drifting around during cutting. The separation grid 23 can push away larger stones in the lawn, so that the influence on the blade 5 is avoided, and the personal and machine damage is avoided. The bottom of the separation grid 23 is 1.5cm away from the ground, so that the grass can conveniently pass through the bottom.
The broken grass recycling mechanism comprises a grass collecting cover 10, a first air pipe 11, a grass collecting box 12, a second air pipe 13 and a suction fan 14. The grass collecting cover 10 is disposed at the rear of the blade 5, and has openings 25 at the front and bottom thereof (multi-directional recovery can be achieved by opening 25 at the front and bottom of the grass collecting cover 10, improving the recovery efficiency of weeds), and the upper end of the grass collecting cover 10 is connected with the support plate 1. One end of the first air pipe 11 is connected with the grass collecting cover 10, and the other end passes through the supporting plate 1 to be connected with the grass collecting box 12. The grass collecting box 12 is made of a transparent PVC plastic plate and is arranged on the supporting plate 1, and is connected with the suction fan 14 through the second air pipe 13, and the suction fan 14 is arranged on the supporting plate 1. To facilitate removal of the weeds in the grass collection tank 12 and to enhance the efficiency of lawn mowing, the bottom plate of the grass collection tank 12 and a side plate, the outer surface of which is provided with a first handle 16, form a pull-out type barrier 15.
The grass breaking filter mechanism comprises a vertical plate 27, a transverse plate 28, an inclined plate 26 and a filter screen 20. One end of the vertical plate 27 is fixed on the bottom plate of the grass-collecting box 12, and a certain distance is kept between the side plates of the grass-collecting box opposite to the outlet of the first air pipe 11. One end of the transverse plate 28 is fixed on a side plate of the grass collecting box 12 provided with the outlet of the first air pipe 11, and a certain distance is kept between the transverse plate and a top plate of the grass collecting box;
a sloping plate 26 is provided at a first opening formed by the riser 27 and the cross plate 28, one end of the sloping plate 26 is connected to the cross plate 28, and a second opening is formed between the sloping plate 28 and the riser 27. The filter screen 20 is arranged between the transverse plate 28 and the grass collecting box top plate, one end of the filter screen is connected with the inclined plate 26 and the transverse plate 28, and the other end of the filter screen is connected with the grass collecting box top plate. The inlet of the second air duct 13 is arranged on the roof of the grass collecting box. The suction fan 14 is started, and the suction force generated by the suction fan 14 sucks the broken grass scraps generated by trimming lawns into the grass collecting box 12 through the second air pipe 13, the grass collecting box 12, the first air pipe 11 and the grass collecting cover 10. The vertical plate 27, the transverse plate 28 and the inclined plate 26 are utilized to perform first blocking, and the filter screen 20 is utilized to perform second blocking on the broken grass scraps so as to prevent the broken grass scraps from damaging the suction fan 14; the filter screen 20 can be directly inserted from the upper part of the grass collecting box 12, so that the installation, the taking out and the cleaning are convenient.
In this embodiment, be equipped with battery case 17 on backup pad 1, be equipped with the battery in the battery case 17, the battery is blade drive mechanism, blade adjustment mechanism, garrulous grass recovery mechanism power supply, and the battery can charge, and it is more convenient to use. At the rear end of the support plate 1, a second handle 21 is provided next to the battery box 17, by means of which second handle 21 the whole device can be pushed easily. The travelling mechanism is a universal wheel 19 to facilitate movement of the device.
In embodiment 2, the lawn mower of embodiment 1 is used as follows:
the transmission motor 9 is started to drive the worm wheel 6 to rotate, so that the gear 4 meshed with the worm wheel 6 rotates around the bearing seat 3 to drive the blade 5 to rotate, and the lawn is trimmed; because the length of the gear 4 is longer, when the height of the blade 5 needs to be adjusted, the gear 4 is driven to move by the electric push rod 2, so that the height of the blade 5 is adjusted, at the moment, the gear 4 and the worm wheel 6 cannot be disengaged, and the worm wheel 6 can still drive the gear 4 to rotate; in the process of pushing the device to advance, the front isolation mechanism can automatically separate large stones and prevent flying weeds from scattering around, so that the recovery efficiency of broken weeds is improved;
by starting the suction fan 14, the suction force generated by the suction fan 14 sucks the broken grass scraps generated by trimming lawns into the grass collecting box 12 through the second air pipe 13, the grass collecting box 12, the first air pipe 11 and the grass collecting cover 10; the grass collecting cover 10 can absorb the broken grass flying in the cutting process at the front end opening 25, and the opening at the bottom of the grass collecting cover 10 can absorb the broken grass scattered on the ground, so that the double absorption effect is achieved;
the inclined plate 26, the vertical plate 27 and the transverse plate 28 arranged in the grass collecting box 12 are utilized to perform first blocking, and the filter screen 20 is utilized to perform second blocking on the broken grass scraps so as to prevent the broken grass scraps from damaging the suction fan 14; the grass collecting box 12 is made of transparent materials, and after the fact that the grass scraps are full is observed, the grass collecting box 12 is opened through the first handle 16 (the first handle 16 is convenient for opening and closing the box door 15 and is convenient to use), and the drawing-out type baffle 15 is used for cleaning the grass scraps.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (8)
1. A lawn trimming device, characterized in that: comprises a supporting mechanism, a blade transmission mechanism, a blade adjusting mechanism, an isolating mechanism, a broken grass recycling mechanism, a broken grass filtering mechanism and a travelling mechanism;
the supporting mechanism comprises a supporting plate and supporting legs positioned below the supporting plate;
the blade transmission mechanism is connected with the supporting plate and moves to enable the blade to do rotary motion so as to trim lawns;
the blade adjusting mechanism is arranged on the supporting plate and used for adjusting the height of the blade;
the isolating mechanism is arranged at the front end of the blade and connected with the supporting legs, and is used for pushing away the large stone blocks in the advancing direction of the blade and preventing the flying weeds from scattering around;
the broken grass recycling mechanism is connected with the supporting plate and used for recycling broken grass; the broken grass recycling mechanism comprises a grass collecting cover, a first air pipe, a grass collecting box, a second air pipe and a suction fan; the grass collecting cover is arranged at the rear of the blade, the front part of the grass collecting cover is provided with an opening, and the upper end of the grass collecting cover is connected with the supporting plate; one end of the first air pipe is connected with the grass collecting cover, and the other end of the first air pipe penetrates through the supporting plate to be connected with the grass collecting box; the grass collecting box is arranged on the supporting plate and is connected with the suction fan through a second air pipe;
the broken grass filtering mechanism is arranged in a grass collecting box of the broken grass recycling mechanism and is used for placing broken grass into a suction fan of the broken grass recycling mechanism; the grass breaking and filtering mechanism comprises a vertical plate, a transverse plate, an inclined plate and a filter screen; one end of the vertical plate is fixed on a bottom plate of the grass collecting box, and a certain distance is kept between the side plates of the grass collecting box, which are opposite to the outlet of the first air pipe; one end of the transverse plate is fixed on a side plate of the grass collecting box provided with the first air pipe outlet, and a certain distance is kept between the transverse plate and a top plate of the grass collecting box; an inclined plate is arranged at the opening formed by the vertical plate and the transverse plate; one end of the sloping plate is connected with the transverse plate, and an opening is arranged between the other end of the sloping plate and the vertical plate; the filter screen is arranged between the transverse plate and the grass collecting box top plate, one end of the filter screen is connected with the inclined plate and the transverse plate, and the other end of the filter screen is connected with the grass collecting box top plate; the inlet of the second air pipe is arranged on the top plate of the grass collecting box; the transverse plate, the vertical plate and the inclined plate are utilized to perform first blocking, and the filter screen is utilized to perform second blocking on the broken grass scraps so as to prevent the broken grass scraps from damaging the suction fan;
the travelling mechanism is arranged below the supporting legs and is used for enabling the whole device to walk.
2. The lawn mowing apparatus according to claim 1, wherein: the blade adjusting mechanism comprises an electric push rod, a bearing seat and a gear; the output end of the electric push rod passes through the supporting plate and then is connected with one end of the bearing seat, the other end of the bearing seat is connected with the upper end of the gear, and the lower end of the gear is connected with the blade;
the blade transmission mechanism comprises a worm wheel and a transmission motor; the worm wheel is meshed with the teeth of the gear; the two ends of the worm wheel are respectively connected with the lower end of the connecting frame through rolling bearings, and the upper end of the connecting frame is connected with the supporting plate; the output end of the transmission motor is connected with the worm wheel through one of the rolling bearings;
the transmission motor drives the worm wheel to work, the worm wheel drives the gear to move, and the gear drives the blade to do rotary motion; when the height needs to be adjusted, the electric push rod works, the electric push rod drives the gear to move, at the moment, the gear and the worm wheel are not separated from meshing, and the worm wheel can still drive the gear to rotate, so that the height of the blade is adjusted.
3. The lawn mowing apparatus according to claim 1, wherein: the isolation mechanism comprises a baffle plate and a separation grid; the two baffles are provided with connecting protrusions on the sides, the connecting protrusions are connected with the supporting legs, and the two ends of the separation grid are respectively connected with the bottom ends of the baffles.
4. A lawn mowing apparatus according to claim 3, wherein: the bottom of the separation grid is 2-3cm away from the ground; the internal space of the separation grid is 1-2cm.
5. The lawn mowing apparatus according to claim 1, wherein: an opening is formed in the bottom of the grass collecting cover; the grass collecting box is made of transparent PVC plastic plates.
6. The lawn mowing apparatus according to claim 1, wherein: the bottom plate and one side plate of the grass collecting box form a drawing-out baffle, and a first handle is arranged on the outer surface of the side plate.
7. The lawn mowing apparatus according to claim 1, wherein: the lawn trimming device also comprises a battery box arranged on the supporting plate, a storage battery is arranged in the battery box, and the storage battery supplies power for the blade transmission mechanism, the blade adjusting mechanism and the broken grass recycling mechanism;
the rear end of the supporting plate is provided with a second handle, so that the whole device can be conveniently pushed; the travelling mechanism is a universal wheel.
8. A method of using a lawn mowing apparatus as claimed in any one of claims 1 to 7, comprising the steps of:
starting a transmission motor to drive the worm wheel to rotate, so that a gear meshed with the worm wheel rotates, and further driving the blade to rotate to trim lawns; when the height of the blade needs to be adjusted, the electric push rod pushes the gear to move, at the moment, the gear and the worm wheel are not disengaged, and the worm wheel can still drive the gear to rotate, so that the height of the blade is adjusted; in the process of pushing the lawn trimming device to advance, the front isolation cover can automatically separate large stones and prevent flying weeds from scattering around;
starting a suction fan, and sucking broken grass scraps generated by trimming lawns into the grass collecting box through the second air pipe, the grass collecting box, the first air pipe and the grass collecting cover by the suction force generated by the suction fan; the transverse plate, the vertical plate and the inclined plate which are arranged in the grass collecting box are utilized to perform first blocking, and the filter screen is utilized to perform second blocking on the broken grass scraps so as to prevent the broken grass scraps from damaging the suction fan;
when the grass collecting box needs to be cleaned, the first handle is used for pulling out the pull-out type baffle plate to clean the broken grass scraps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210990188.3A CN115299239B (en) | 2022-08-18 | 2022-08-18 | Lawn trimming device and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210990188.3A CN115299239B (en) | 2022-08-18 | 2022-08-18 | Lawn trimming device and application method thereof |
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| CN115299239A CN115299239A (en) | 2022-11-08 |
| CN115299239B true CN115299239B (en) | 2023-05-16 |
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| CN212064920U (en) * | 2020-03-17 | 2020-12-04 | 河南翰墨园林工程有限公司 | Weed cutting device is used in gardens environmental protection |
| CN216820739U (en) * | 2021-12-31 | 2022-06-28 | 华翰建设集团有限公司 | Lawn trimming means for garden management |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650663A1 (en) * | 1993-11-02 | 1995-05-03 | Electrolux Outdoor Products Limited | Collection trimmers |
| CN209473038U (en) * | 2018-11-22 | 2019-10-11 | 花王生态工程股份有限公司 | A kind of gardens grass trimmer with the useless careless function of collection |
| CN210900403U (en) * | 2019-11-22 | 2020-07-03 | 哈尔滨理工大学 | Football court repairing device |
| CN212064920U (en) * | 2020-03-17 | 2020-12-04 | 河南翰墨园林工程有限公司 | Weed cutting device is used in gardens environmental protection |
| CN216820739U (en) * | 2021-12-31 | 2022-06-28 | 华翰建设集团有限公司 | Lawn trimming means for garden management |
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| CN115299239A (en) | 2022-11-08 |
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