CN115443796B - Pruning machine for garden lawn - Google Patents
Pruning machine for garden lawn Download PDFInfo
- Publication number
- CN115443796B CN115443796B CN202211075149.7A CN202211075149A CN115443796B CN 115443796 B CN115443796 B CN 115443796B CN 202211075149 A CN202211075149 A CN 202211075149A CN 115443796 B CN115443796 B CN 115443796B
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- Prior art keywords
- air
- seat
- sliding
- upper blade
- shaped
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- 238000013138 pruning Methods 0.000 title claims abstract description 14
- 230000008602 contraction Effects 0.000 claims abstract description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009966 trimming Methods 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241001494496 Leersia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
Classifications
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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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/08—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator
- A01D34/10—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters 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
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
- A01B71/08—Means for protecting against dust, or the like, or for cleaning agricultural implements
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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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/13—Cutting apparatus
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/40—Other details
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a pruning machine for garden lawns, and belongs to the technical field of greening equipment. A trimming machine for garden lawns, comprising a housing, further comprising: the side plates are welded with the shell, an L-shaped supporting seat is welded between the side plates at two sides, an L-shaped cutting frame is connected to the L-shaped supporting seat in a sliding manner through a lifting assembly, an upper blade is connected to the L-shaped cutting frame in a sliding manner, fixing blocks are symmetrically arranged on the upper blade, hollow pipes are connected between the symmetrical fixing blocks, and a plurality of nozzles are arranged on the hollow pipes at equal intervals; when the inflator extrudes air, partial air can intermittently enter and exit the first air bag seat to realize expansion or contraction of the air bag surface, when the first air bag seat is inflated, the driving rod drives the upper blade to slide to one side in the L-shaped cutting frame through the fixing block, and when the first air bag seat is deflated, the air bag surface is concave, and the driving rod drives the upper blade to reset through the fixing block, so that the power required for trimming lawns is met.
Description
Technical Field
The invention relates to the technical field of greening equipment, in particular to a pruning machine for garden lawns.
Background
The lawn trimmer is also called a weeding machine, a grass mower and the like. The lawn trimmer is a mechanical tool for trimming lawns, vegetation and the like, saves the working time of weeder workers and reduces a large amount of human resources.
With the growth of economy and the development of home gardening, the application of lawn mowers is increasing. With the increase of people's environmental protection consciousness, more and more problems appear in the power mower on the market when the garden is used. For example, the power lawn trimmer is heavier, and the power lawn trimmer can walk only by pushing the trimmer, so that the power consumption is high, and the walking unit and the trimming unit of the existing trimmer on the market basically work by being driven by two driving sources, so that the extra energy consumption is increased, the noise is increased, and the life of other people is seriously disturbed and influenced.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, the trimmer basically drives a walking unit and a trimming unit to work through two driving sources respectively, and extra energy consumption is increased.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a trimming machine for garden lawn, includes the casing that rectangular notch was seted up to one side, still includes: the device comprises a shell, side plates welded and fixed with the two sides of the shell, L-shaped supporting seats are welded between the side plates at the two sides, an L-shaped cutting frame is connected to the L-shaped supporting seats in a sliding manner through a lifting assembly, upper blades are connected to the L-shaped cutting frame in a sliding manner, fixing blocks are symmetrically arranged on the upper blades, hollow pipes are connected between the fixing blocks, and a plurality of nozzles are equidistantly arranged on the hollow pipes; the first air bag seat is arranged on one side of the side plate, and a driving rod is arranged between the first air bag seat and the fixing block on the same side; the air pump is arranged in the shell, the air supply assembly is connected in the air pump in a sliding mode, a first air inlet pipe is connected between the air pump and the first air bag seat, and an air inlet branch pipe is connected between the air pump and the hollow pipe.
In order to reduce manpower and promote, alleviate the labour, provide the actuating source for the start-up of device simultaneously, preferably, the symmetry rotate between the curb plate and be connected with the dwang, coaxial arrangement has first band pulley and second band pulley on the dwang, the both ends of dwang run through the curb plate and install the auxiliary wheel, install the motor on the casing, the output of motor runs through the curb plate and installs the third band pulley, be connected through belt transmission between third band pulley and the first band pulley.
In order to inflate and deflate the first air bag, power is provided for the left and right sliding of the upper blade, further, the air supply assembly comprises a first U-shaped seat and a second U-shaped seat which are fixedly connected with the inner wall of the shell, a first rotating shaft and a second rotating shaft are respectively and rotatably connected to two sides of the opening of the first U-shaped seat and the second U-shaped seat, a gear is mounted on the first rotating shaft and is connected with the same side in a meshed mode, a fourth belt wheel is mounted on one side of the second rotating shaft, the fourth belt wheel is connected with the second belt wheel through a belt transmission, a sleeve and a piston rod which is slidably connected in the sleeve are mounted between any one of the first rotating shaft and the second rotating shaft through a connecting rod mechanism, a first piston plate is mounted at the upper end of the sleeve, the upper end of the piston rod penetrates through the sleeve and is mounted with a second piston plate, and the first piston plate and the second piston plate are slidably connected in the sleeve.
In order to enable the upper blade to reset after sliding, secondary pruning is facilitated, further, a sliding groove is formed in the upper end face of the L-shaped cutting frame, a sliding rod is connected in the sliding groove, two symmetrically arranged first sliding blocks are connected to the sliding rod in a sliding mode, springs are sleeved at two ends of the sliding rod, two ends of each spring are fixedly connected with the first sliding blocks and the inner wall of the sliding groove respectively, a supporting rod is welded on one side of each first sliding block, and the supporting rods are welded and fixed with the driving rods.
In order to supplement air in the air cylinder, preferably, the air cylinder is connected with an air outlet pipe, and an air outlet check valve is arranged in the air outlet pipe.
In order to cut the lawn under the cooperation of the upper blade and the lower blade, preferably, the L-shaped cutting frame is provided with the lower blade, the shearing edges of the upper blade and the lower blade are inclined planes, and the shearing edges of the upper blade and the lower blade are mirror images.
In order to facilitate replacement of the upper blade, preferably, pin platforms are mounted on two sides of the upper blade, pin holes matched with the pin platforms are formed in the bottoms of the fixing blocks, and locking bolts are connected between the pin platforms and the pin holes.
In order to conveniently adjust the height of the L-shaped cutting frame so as to adapt to the trimming of lawns with different heights, preferably, one side, close to the L-shaped supporting seat, of the L-shaped cutting frame is symmetrically provided with a second sliding block, the L-shaped supporting seat is symmetrically provided with a sliding rail seat, and the second sliding block is in sliding connection with the sliding rail seat.
In order to drive the height adjustment of the L-shaped cutting frame, preferably, an installation groove is formed in the L-shaped supporting seat, a plurality of second air bag seats are installed in the installation groove, the second air bag seats are communicated with each other, and a second air inlet pipe is connected between the air cylinder and the second air bag seats.
In order to reduce the back suction of cut grass clippings into the nozzle, which leads to nozzle blockage, a filter screen is preferably arranged in the nozzle.
Compared with the prior art, the invention provides a pruning machine for garden lawns, which has the following beneficial effects:
1. This kind of trimming machine for garden lawn, when the inflator extrusion air, partial air makes the inflation of first gasbag seat realization gasbag face with give vent to anger, when first gasbag seat is admitted air and is expanded, the gasbag face of rising supports the actuating lever, makes the actuating lever drive the blade and slides to one side in L shape cutting frame through the fixed block, when first gasbag seat is given vent to anger the shrink, gasbag face indent makes the actuating lever drive the blade through the fixed block and resets to this required power of trimming lawn is satisfied, the energy saving.
2. The pruning machine for the garden lawn has the advantages that when the air is extruded by the air cylinder, part of air can be intermittently sprayed out of the air flow through the nozzle to blow away grass scraps clamped between the upper blade and the lower blade, so that the pruning efficiency is improved.
3. This kind of trimming machine for garden lawn, when needing to adjust the height of L shape cutting frame according to actual conditions, the valve in first intake pipe and the play tuber pipe is closed, and the air extrusion in the inflator gets into the second intake pipe and aerifys the second gasbag seat, and the inflation is inflated to the second gasbag seat and is lifted L shape cutting frame and slide through the slide rail seat, and after the inflation, the control valve in the second intake pipe is closed, makes L shape cutting frame keep at current height, reinforcing arrangement's practicality.
Drawings
FIG. 1 is a schematic structural view of a pruning machine for garden lawns according to the present invention;
FIG. 2 is a schematic view of an air supply assembly of the garden lawn mower according to the present invention;
FIG. 3 is a schematic view of a second view angle of an air supply assembly of a pruning machine for garden lawns according to the present invention;
FIG. 4 is a schematic side view of an L-shaped supporting seat of the pruning machine for garden lawns;
FIG. 5 is a schematic view of the upper blade of the garden lawn mower according to the present invention;
FIG. 6 is a schematic view of the inner structure of a chute of the pruning machine for garden lawns;
fig. 7 is an enlarged schematic view of the structure a in fig. 1 of the garden lawn mower according to the present invention.
In the figure: 1. a housing; 101. a rectangular notch; 2. a side plate; 3. an L-shaped supporting seat; 301. a mounting groove; 4. an L-shaped cutting rack; 401. a chute; 5. an upper blade; 501. a pin table; 6. a fixed block; 601. a pin hole; 7. a hollow tube; 8. a nozzle; 9. a first airbag seat; 10. a driving rod; 11. an air cylinder; 12. a first air inlet pipe; 13. an air inlet branch pipe; 14. a rotating lever; 15. an auxiliary wheel; 16. a first pulley; 17. a second pulley; 18. a motor; 19. a third pulley; 20. a first U-shaped seat; 21. a second U-shaped seat; 22. a first rotation shaft; 23. a second rotation shaft; 24. a gear; 25. a fourth pulley; 26. a sleeve; 27. a piston rod; 28. a first piston plate; 29. a second piston plate; 30. a slide bar; 31. a first slider; 32. a spring; 33. a support rod; 34. a lower blade; 35. a second slider; 36. a slide rail seat; 37. a second airbag seat; 38. a second air inlet pipe; 39. an air outlet pipe; 40. an air outlet one-way valve; 41. a locking bolt; 42. a filter screen; 43. a first link; 44. a second link; 45. a third link; 46. a fourth link; 47. a first cross bar; 48. a fifth link; 49. and a second cross bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
referring to fig. 1 to 7, a pruning machine for garden lawns, comprising a casing 1 with a rectangular slot 101 formed in one side, further comprising: the side plates 2 are welded and fixed with the two sides of the shell 1, an L-shaped supporting seat 3 is welded between the two side plates 2, an L-shaped cutting frame 4 is connected to the L-shaped supporting seat 3 in a sliding manner through a lifting assembly, an upper blade 5 is connected to the L-shaped cutting frame 4 in a sliding manner, fixing blocks 6 are symmetrically arranged on the upper blade 5, hollow pipes 7 are connected between the symmetrical fixing blocks 6, a plurality of nozzles 8 are equidistantly arranged on the hollow pipes 7, and a filter screen 42 is arranged in each nozzle 8.
Further, the lower blade 34 is mounted on the L-shaped cutting frame 4, the shearing edges of the upper blade 5 and the lower blade 34 are inclined planes, and the shearing edges of the upper blade 5 and the lower blade 34 are mirror images.
The grass is trimmed by the shearing force between the upper blade 5 and the lower blade 34, and the trimmed grass clippings are scattered on the ground to be naturally degraded and provide nutrients for the grass.
In operation, the working surfaces of the nozzles 8 face the upper blade 5 and are used for blowing away grass clippings clamped between the upper blade 5 and the lower blade 34, so that the trimming efficiency is improved.
The first air bag seat 9 is arranged on one side plate 2, and a driving rod 10 is arranged between the first air bag seat 9 and the same side fixing block 6.
The first air bag seat 9 can realize expansion or contraction of the air bag surface through air inlet and air outlet, when the first air bag seat 9 is expanded through air inlet, the bulged air bag surface props against the driving rod 10, the driving rod 10 drives the upper blade 5 to slide to one side in the L-shaped cutting frame 4 through the fixing block 6, and when the first air bag seat 9 is contracted through air outlet, the air bag surface is concave, the driving rod 10 drives the upper blade 5 to reset through the fixing block 6, so that the power required by trimming lawns is met.
The air cylinder 11 is arranged in the shell 1, the air supply assembly is connected in the air cylinder 11 in a sliding way, the first air inlet pipe 12 is connected between the air cylinder 11 and the first air bag seat 9, and the air inlet branch pipe 13 is connected between the air cylinder 11 and the hollow pipe 7.
Further, an air outlet pipe 39 is connected to the air cylinder 11, and an air outlet check valve 40 is installed in the air outlet pipe 39.
The air cylinder 11 provides wind power for air inlet of the first air bag seat 9 and air outlet of the nozzle 8, air is intermittently extruded from the air cylinder 11 under the action of the air supply assembly, the air enters the nozzle 8 and the first air bag seat 9 respectively through the first air inlet pipe 12 and the air inlet branch pipe 13, and meanwhile, the air returns to the air cylinder 11 from the air outlet pipe 39 under the action of the air supply assembly to perform air compensation, so that the nozzle 8 can intermittently spray air flow to blow away grass scraps clamped between the upper blade 5 and the lower blade 34.
The first intake pipe 12 is provided with an intake check valve so that air can flow only from the air cylinder 11 into the first intake pipe 12, and the air cannot flow in the reverse direction, and the air outlet check valve 40, which is also provided in the air outlet pipe 39, can only allow air into the air cylinder 11 and cannot exhaust air.
Referring to fig. 1, a rotating rod 14 is rotatably connected between symmetrical side plates 2, a first belt pulley 16 and a second belt pulley 17 are coaxially installed on the rotating rod 14, two ends of the rotating rod 14 penetrate through the side plates 2 and are provided with auxiliary wheels 15, a motor 18 is installed on a machine shell 1, an output end of the motor 18 penetrates through the side plates 2 and is provided with a third belt pulley 19, and the third belt pulley 19 is in transmission connection with the first belt pulley 16 through a belt.
During operation of the motor 18, the third pulley 19 at the output end of the motor 18 rotates, and the rotating third pulley 19 drives the coaxial rotating rod 14 to rotate and transmits force to the auxiliary wheels 15 at the two sides, so that the thrust required by a worker when trimming lawns is reduced.
Referring to fig. 2-3, the air supply assembly includes a first U-shaped seat 20 and a second U-shaped seat 21 fixedly connected to the inner wall of the casing 1, two sides of the opening of the first U-shaped seat 20 and the second U-shaped seat 21 are respectively rotatably connected with a first rotating shaft 22 and a second rotating shaft 23, a gear 24 is installed on the first rotating shaft 22, the same side gear 24 is engaged and connected, a fourth belt pulley 25 is installed on the second rotating shaft 23 on one side, the fourth belt pulley 25 is connected with the second belt pulley 17 through a belt transmission, a sleeve 26 and a piston rod 27 slidably connected in the sleeve 26 are installed between any one of the first rotating shaft 22 and the second rotating shaft 23 through a connecting rod mechanism, a first piston plate 28 is installed at the upper end of the sleeve 26, the upper end of the piston rod 27 penetrates through the sleeve 26 and is installed with a second piston plate 29, and the first piston plate 28 and the second piston plate 29 are slidably connected in the casing 11.
During the operation of the motor 18, the rotating rod 14 drives the second belt pulley 17 to rotate, the rotating second belt pulley 17 drives the fourth belt pulley 25 through a belt, the rotating fourth belt pulley 25 drives the pair of gears 24 to mesh and rotate through the link mechanism, so that the link mechanisms on two sides are driven to coaxially and reversely move, the relative sliding of the sleeve 26 and the piston rod 27 is controlled, the first piston plate 28 and the second piston plate 29 are enabled to be close to or far away from each other, and accordingly the extrusion and the suction of air are achieved.
It should be noted that, the link mechanism includes a first link 43 connected with the first rotation shaft 22, one end of the first link 43 away from the first rotation shaft 22 is rotatably connected with a second link 44, one side of the second link 44 away from the first link 43 is rotatably connected with a third link 45, one end of the second rotation shaft 23 away from the gear 24 is mounted with a fourth link 46, a fifth link 48 is rotatably connected between the fourth link 46 and the third link 45, two sides of the second link 44 are rotatably connected with a first cross bar 47, the sleeve 26 is fixedly mounted on the first cross bar 47, two sides of the fifth link 48 are rotatably connected with a second cross bar 49, and the piston rod 27 is fixedly mounted on the second cross bar 49.
Example 2:
Referring to fig. 1,6 and 7, the same as embodiment 1, further, a chute 401 is formed on the upper end surface of the L-shaped cutting frame 4, a slide bar 30 is connected in the chute 401, two symmetrically arranged first slide blocks 31 are slidingly connected on the slide bar 30, springs 32 are sleeved at two ends of the slide bar 30, two ends of the springs 32 are fixedly connected with the first slide blocks 31 and the inner wall of the chute 401 respectively, a strut 33 is welded on the first slide block 31 at one side, and the strut 33 is welded and fixed with the driving rod 10.
In the original state, the spring 32 is in a relaxed state, when the first air bag seat 9 is inflated, the spring 32 is stressed to stretch, when the first air bag seat 9 is deflated, the air bag surface is concave, and the originally stretched spring 32 pulls the first sliding block 31 to reversely slide under the action of reset potential energy, so that the upper blade 5 is reset, and the purpose of left-right reciprocating movement of the upper blade 5 is met.
Referring to fig. 5, pin platforms 501 are installed at both sides of the upper blade 5, pin holes 601 matched with the pin platforms 501 are formed at the bottoms of the fixed blocks 6, and locking bolts 41 are connected between the pin platforms 501 and the pin holes 601.
The upper blade 5 and the fixed block 6 are installed by disassembling the locking bolt 41, so that the upper blade 5 can be replaced conveniently.
Referring to fig. 4, a second slider 35 is symmetrically installed on one side of the L-shaped cutting frame 4 close to the L-shaped supporting seat 3, a slide rail seat 36 is symmetrically installed on the L-shaped supporting seat 3, and the second slider 35 is slidably connected in the slide rail seat 36.
Furthermore, the L-shaped support base 3 is provided with a mounting groove 301, a plurality of second air bag bases 37 are mounted in the mounting groove 301, the plurality of second air bag bases 37 are communicated with each other, and a second air inlet pipe 38 is connected between the air cylinder 11 and the second air bag bases 37.
A control valve is installed in the second intake pipe 38 to control the intake or exhaust of air.
Because the lawn is trimmed in different modes, some trimmers can only trim weeds with fixed height, when the height of the L-shaped cutting frame 4 needs to be adjusted according to actual conditions, the valves in the first air inlet pipe 12 and the air outlet pipe 39 are closed, air in the air cylinder 11 is extruded into the second air inlet pipe 38 to inflate the second air bag seat 37, the second air bag seat 37 inflates to lift the L-shaped cutting frame 4 and slide through the slide rail seat 36, and after inflation is finished, the control valve in the second air inlet pipe 38 is closed, so that the L-shaped cutting frame 4 is kept at the existing height.
Here, the entire operation is described again in general:
When the lawn trimmer is used, the rotating rod 14 drives the second belt pulley 17 to rotate, the rotating second belt pulley 17 drives the fourth belt pulley 25 through a belt, the rotating fourth belt pulley 25 drives a pair of gears 24 to rotate in a meshed mode through a connecting rod mechanism, so that the connecting rod mechanisms on two sides are driven to coaxially and reversely move, the sleeve 26 and the piston rod 27 are controlled to slide relatively, the first piston plate 28 and the second piston plate 29 are enabled to be close to or far away from each other, air extrusion and suction are achieved, a part of extruded air enters the first air bag seat 9 to achieve expansion or contraction of an air bag surface, when the first air bag seat 9 is inflated, the inflated air bag surface props against the driving rod 10, the driving rod 10 drives the upper blade 5 to slide to one side in the L-shaped cutting frame 4 through the fixing block 6, when the first air bag seat 9 is deflated, the air bag surface is concaved inwards, the driving rod 10 drives the upper blade 5 to reset through the fixing block 6, and therefore required power for trimming a lawn is met, and the other part of the extruded air enters the first air bag seat 9 to blow and scatter grass scraps clamped between the upper blade 5 and the lower blade 34 through the nozzle 8.
When the height of the L-shaped cutting frame 4 needs to be adjusted according to actual conditions, the valves in the first air inlet pipe 12 and the air outlet pipe 39 are closed, air in the air cylinder 11 is extruded into the second air inlet pipe 38 to inflate the second air bag seat 37, the second air bag seat 37 inflates to lift the L-shaped cutting frame 4 and slides through the slide rail seat 36, and after inflation is finished, the control valve in the second air inlet pipe 38 is closed, so that the L-shaped cutting frame 4 is kept at the existing height.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The pruning machine for the garden lawn is characterized by comprising a machine shell (1) with a rectangular notch (101) formed in one side, side plates (2) welded and fixed with two sides of the machine shell (1), L-shaped supporting seats (3) are welded between the side plates (2) on two sides, and L-shaped cutting frames (4) are connected onto the L-shaped supporting seats (3) in a sliding mode through lifting components; the upper blade (5) is connected in the L-shaped cutting frame (4) in a sliding manner, the upper blade (5) is symmetrically provided with fixed blocks (6), hollow pipes (7) are connected between the fixed blocks (6), and a plurality of nozzles (8) are equidistantly arranged on the hollow pipes (7); a first air bag seat (9) arranged on one side of the side plate (2), wherein a driving rod (10) is arranged between the first air bag seat (9) and the fixed block (6) on the same side; the air pump comprises an air cylinder (11) arranged in a shell (1), wherein an air supply assembly is connected in a sliding manner in the air cylinder (11), a first air inlet pipe (12) is connected between the air cylinder (11) and a first air bag seat (9), and an air inlet branch pipe (13) is connected between the air cylinder (11) and a hollow pipe (7); a rotating rod (14) is rotationally connected between the side plates (2), a first belt wheel (16) and a second belt wheel (17) are coaxially arranged on the rotating rod (14), and two ends of the rotating rod (14) penetrate through the side plates (2) and are provided with auxiliary wheels (15); a motor (18) is arranged on one side of the shell (1), the output end of the motor (18) penetrates through the side plate (2) and is provided with a third belt wheel (19), and the third belt wheel (19) is connected with the first belt wheel (16) through belt transmission;
The air supply assembly comprises a first U-shaped seat (20) and a second U-shaped seat (21) which are fixedly connected with the inner wall of the shell (1), a first rotating shaft (22) and a second rotating shaft (23) are respectively and rotatably connected to two sides of the opening of the first U-shaped seat (20) and the second U-shaped seat (21), a gear (24) is arranged on the first rotating shaft (22), the gear (24) on the same side is in meshed connection, a fourth belt pulley (25) is arranged on the second rotating shaft (23) on one side, and the fourth belt pulley (25) is connected with the second belt pulley (17) through belt transmission; a sleeve (26) and a piston rod (27) which is connected in the sleeve (26) in a sliding way are arranged between any one of the first rotating shaft (22) and the second rotating shaft (23) through a connecting rod mechanism, a first piston plate (28) is arranged at the upper end of the sleeve (26), a second piston plate (29) is arranged at the upper end of the piston rod (27) in a penetrating way through the sleeve (26), and the first piston plate (28) and the second piston plate (29) are both connected in the inflator (11) in a sliding way; a chute (401) is formed in the upper end face of the L-shaped cutting frame (4), a sliding rod (30) is connected in the chute (401), two first sliding blocks (31) which are symmetrically arranged are connected to the sliding rod (30) in a sliding manner, springs (32) are sleeved at two ends of the sliding rod (30), and two ends of the springs (32) are fixedly connected with the first sliding blocks (31) and the inner wall of the chute (401) respectively; a supporting rod (33) is welded on the first sliding block (31) at one side, and the supporting rod (33) is welded and fixed with the driving rod (10); an air outlet pipe (39) is connected to the air cylinder (11), and an air outlet one-way valve (40) is arranged in the air outlet pipe (39); the L-shaped cutting frame (4) is provided with a lower blade (34), the shearing edges of the upper blade (5) and the lower blade (34) are inclined planes, and the shearing edges of the upper blade (5) and the lower blade (34) are arranged in a mirror image mode; pin platforms (501) are arranged on two sides of the upper blade (5), pin holes (601) matched with the pin platforms (501) are formed in the bottoms of the fixed blocks (6), and locking bolts (41) are connected between the pin platforms (501) and the pin holes (601); a second sliding block (35) is symmetrically arranged on one side, close to the L-shaped supporting seat (3), of the L-shaped cutting frame (4), a sliding rail seat (36) is symmetrically arranged on the L-shaped supporting seat (3), and the second sliding block (35) is slidably connected in the sliding rail seat (36); the L-shaped supporting seat (3) is provided with a mounting groove (301), a plurality of second air bag seats (37) are mounted in the mounting groove (301), the second air bag seats (37) are communicated with each other, and a second air inlet pipe (38) is connected between the air cylinder (11) and the second air bag seats (37); when the inflator extrudes air, part of air can intermittently enter and exit the first airbag seat to realize expansion or contraction of the airbag surface, when the first airbag seat enters the air to expand, the bulged airbag surface props against the driving rod, the driving rod drives the upper blade to slide to one side in the L-shaped cutting frame through the fixing block, and when the first airbag seat exits the air to contract, the airbag surface is concave, and the driving rod drives the upper blade to reset through the fixing block; when the air cylinder extrudes air, part of the air can intermittently jet out air flow through the nozzle to blow away grass scraps clamped between the upper blade and the lower blade; the valve in the first intake pipe and the play tuber pipe is closed, and the air extrusion in the inflator gets into the second intake pipe and aerifys the second gasbag seat, and the inflation is aerifyd to the second gasbag seat and is held L shape cutting frame jacking and slide through the slide rail seat, after aerifing, and the control valve in the second intake pipe is closed, makes L shape cutting frame keep at current height.
2. A garden lawn trimmer according to claim 1, characterized in that a filter screen (42) is mounted in the nozzle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211075149.7A CN115443796B (en) | 2022-09-03 | 2022-09-03 | Pruning machine for garden lawn |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211075149.7A CN115443796B (en) | 2022-09-03 | 2022-09-03 | Pruning machine for garden lawn |
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| CN115443796A CN115443796A (en) | 2022-12-09 |
| CN115443796B true CN115443796B (en) | 2024-06-04 |
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| CN202211075149.7A Active CN115443796B (en) | 2022-09-03 | 2022-09-03 | Pruning machine for garden lawn |
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| CN118032472B (en) * | 2024-04-08 | 2024-06-25 | 四川大学 | Pretreatment device for water quality detection |
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Effective date of registration: 20240509 Address after: 427000, Group 9, Sanyanqiao, Airport Road, Yongding District, Zhangjiajie City, Hunan Province Applicant after: Zhangjiajie Shuaiyi Landscape Engineering Co.,Ltd. Country or region after: China Address before: 1305, Building 3, Oriental Culture Plaza, 230 Anzheng Road, Binhai New Area, Tianjin, 300450 Applicant before: Wang Aiai Country or region before: China |
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