CN109511357A - A kind of grass trimmer for municipal Garden Engineering - Google Patents
A kind of grass trimmer for municipal Garden Engineering Download PDFInfo
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- CN109511357A CN109511357A CN201811356296.5A CN201811356296A CN109511357A CN 109511357 A CN109511357 A CN 109511357A CN 201811356296 A CN201811356296 A CN 201811356296A CN 109511357 A CN109511357 A CN 109511357A
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- Prior art keywords
- shaft
- mowing
- support plate
- support
- grass
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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
- A01D34/6806—Driving mechanisms
-
- 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
- A01D34/6806—Driving mechanisms
- A01D34/6818—Motor starting mechanisms
-
- 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
- A01D34/6806—Driving mechanisms
- A01D2034/6831—Driving mechanisms being fluid driven
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention belongs to mower art fields, more particularly to a kind of grass trimmer for municipal Garden Engineering, it includes hydraulic power mechanism, bridge, grass-mowing, wherein hydraulic power mechanism has fuel engines and hydraulic pump, hydraulic power mechanism is mounted on bridge one end, the bridge other end is equipped with grass-mowing, and grass-mowing makes one that grass trimmer will not be held with a firm grip with the power of different variations because of the complexity that grass is cut to overcome grass to the reaction force of grass trimmer when using grass trimmer；In addition when grass is difficult to be cut, the power of engine is all output to by grass-mowing by differential mechanism automatic control and adjustment to be accelerated on flywheel, and mowing shaft is made to run out of steam, i.e. grass trimmer will not invert, only accelerate flywheel in rotation, total of the present invention is compact, has fabulous using effect.
Description
Technical field
The invention belongs to mower art field more particularly to a kind of grass trimmers for municipal Garden Engineering.
Background technique
At present municipal administration field in portable mowing machine be often used fuel oil directly drive softer mowing rope come to grass into
Row cutting., because being cut using cutting rope, cutting power is limited, is to be not easy to be cut for larger thicker grass for it
It cuts.Another kind is cut using blade, and cutting power is greater than cutting rope, but in cutting when the prominent grass for meeting more difficult cutting,
Cutting sheet can not cut grass moment, and reaction force of the grass cut by generation to grass trimmer is mowed if worker does not hold with a firm grip
Machine will invert the hand for being even detached from worker, generate secondary injury to worker.
The present invention design a kind of grass trimmer for municipal Garden Engineering solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of grass trimmer for municipal Garden Engineering, it
It adopts the following technical solutions to realize.
A kind of grass trimmer for municipal Garden Engineering, it is characterised in that: it includes hydraulic power mechanism, bridge, mowing
Mechanism, wherein hydraulic power mechanism has fuel engines and hydraulic pump, and hydraulic power mechanism is mounted on bridge one end, and bridge is another
One end is equipped with grass-mowing.
Above-mentioned grass-mowing is cylinder, with annulus shell.
Above-mentioned grass-mowing includes mowing hack lever, triggering block, accelerates flywheel, is flywheel rotating shaft support, flywheel shaft, second poor
Fast device, controllable clutch, rotation support, the first differential mechanism, mowing shaft, hydraulic motor, triggering arc plate, fixed bottom plate, first
Fagging, the second right axle, limits axis, restriction article, the second support plate, first rotating shaft, third support plate, conducting bar, the 4th at the second left axle
Support plate, scroll spring, the 5th support plate, hydraulic motor bottom plate, hydraulic motor support, the 6th support plate, the second shaft, the 7th
Support plate, third shaft, the 8th support plate, hydraulic motor shaft, the first main shaft, lead ring slot, rotation lead ring, mowing shaft are led
Slot, trigger ramp, mowing shaft lead ring, limited block, limit triggering block, limit sliding sleeve, limit hole, mowing blade, the 4th shaft,
It wherein fixes bottom plate to be mounted on the downside of the inner edge surface of grass-mowing annulus shell, there is mowing shaft in circular hole among fixed bottom plate
Guide groove is fixed and is provided with lead ring slot on the upside of bottom plate on end face, has trigger ramp in arc triggering block and is mounted on fixed bottom plate
Side and close fixed bottom plate outer edge surface；Mowing shaft lead ring is installed, mowing shaft passes through mowing shaft lead ring in mowing shaft
It is fitted in fixed bottom plate with mowing shaft guide groove, mowing shaft bottom end is symmetrically installed with two mowing hack levers, each cuts
Careless hack lever top is equipped with mowing blade, and frame body of the mowing hack lever close to mowing shaft junction is greater than apart from ground level mows
Blade is at a distance from ground；Rotation support is Circular Plate, and downside is equipped with rotation lead ring, rotation support by rotation lead ring with
Lead ring slot is fitted on fixed bottom plate；Hydraulic motor bottom plate is mounted on rotation support outer edge surface；Scroll spring is mounted on
In rotation support inner ring, and scroll spring outer end is mounted on rotatably supported inner ring surface, and inner end is mounted on fixed bottom plate；Liquid
Pressure motor is mounted on hydraulic motor bottom plate by hydraulic motor support；7th support plate is mounted on the upside of rotation support and close
Hydraulic motor support, the 6th support plate one end is fixed on the 7th support plate side and, eightth support plate vertical with the 7th support plate
One end is fixed on the 7th support plate top and vertical with the 7th support plate, the 6th support plate and the 8th support plate it is ipsilateral one end it is total
With being equipped with the 5th support plate and the 5th support plate is parallel with the 7th support plate, third support plate be mounted on rotation support go up and with
7th support plate is symmetrical；4th support plate one end is mounted on the 5th support plate side, and the other end is mounted on third support plate
Side；First support plate bottom end is mounted in the 4th support plate and vertical with the 4th support plate, and second support plate one end is fixed on
Third support plate top, the other end are mounted on the first support plate side；First main shaft is mounted on the downside of the 5th support plate, and the 4th turn
Axis is mounted in the 4th support plate, and the first main shaft is connect by the first differential mechanism with mowing shaft and the 4th shaft, mowing shaft
It is two differential shafts of the first differential mechanism with the 4th shaft；Second shaft is mounted in the 6th support plate, and the second shaft and the
One main shaft passes through cone tooth cooperation transmission；Hydraulic motor shaft is mounted in the 7th support plate, and third shaft is mounted on the 8th support
On plate, hydraulic motor shaft is engaged by cone tooth cooperation with the second shaft and third shaft；Second left axle is mounted on the 5th support
On the upside of plate, third shaft is connect by controllable clutch with the second left axle；Second right axle is mounted on the upside of the first support plate；Flywheel turns
Axis support is mounted on the inner edge surface on the upside of annulus shell, and flywheel shaft is mounted on flywheel rotating shaft support, accelerates flywheel installation
In flywheel shaft upper end；Flywheel shaft is connect by the second differential mechanism with the second right axle and the second left axle, the second left axle and second
Right axle is two differential shafts of the second differential mechanism；It limits axis to be mounted in the second support plate, first rotating shaft is mounted on the first support
On plate, axis one end and the second right axle are limited by cone tooth cooperation, the axis other end and first rotating shaft is limited and passes through cone tooth cooperation；First
Shaft one end and restriction axis are by cone tooth cooperation, and the first rotating shaft other end and the 4th shaft are by boring tooth cooperation；Limit sliding sleeve peace
In the first support plate, limited block two sides are symmetrically installed there are two triggering block is limited, and each limit triggering block passes through restriction
Item is mounted on triggering arc plate top two sides, limits and is provided with limit hole on axis, and limited block one end slides in limit hole, and the other end is sliding
It moves in limit sliding sleeve；Conducting bar one end is mounted on triggering arc plate, and the other end passes through the square hole in third support plate；Trigger arc plate
Lower end and fixed bottom plate have the gap lower than triggering block height.
Hydraulic pump in above-mentioned hydraulic power mechanism is linked together by hydraulic tube and hydraulic motor.
As the further improvement of this technology, above-mentioned mowing shaft bottom end is provided with the support foundation card slot of annular, supports bottom
Circular groove is provided on the upside of column, circular groove bottom end is equipped with annular brace foundation lead ring, and support foundation passes through support foundation lead ring and support
The cooperation of foundation card slot and be mounted on mowing shaft bottom end.
As the further improvement of this technology, above-mentioned mowing hack lever lower end two sides are symmetrically installed there are two friction block, and two
A friction block is located between two mowing blades.
As the further improvement of this technology, above-mentioned scroll spring inner end is mounted on fixed bottom plate by spring anchor block
On.
It is hydraulic using the fuel engines driving in hydraulic power mechanism in the present invention relative to traditional mower art
Pump, and drive the hydraulic motor in grass-mowing that mowing blade rotation is driven to mow by hydraulic tube.Cutting in the present invention
On the one hand the design of careless mechanism plays the protective effect after being stuck when mowing blade cuts top grass to power-driven mechanism, separately
On the one hand by accelerating the rotary acceleration of flywheel to play the resistance that the reaction force of mowing blade is resisted in increase, so that cutting
Mowing blade on careless hack lever carries out cutting removal to the top grass on ground；In the case where hydraulic motor power allows, mow
The peak torque of blade cutting top grass is decided by the weight of itself and the strength of worker, and grass trimmer is wished for user
More lighter, better, more lighter easier long-time carries work；But when grass trimmer is lighter, it is necessary to which people tightly holds grass trimmer
To provide biggish resistance, the power that worker uses is bigger, and worker is shorter using the time that grass trimmer continues working.When encountering
When the top grass of more difficult cutting, worker may be because that the strength of itself not enough can not provide reaction force equal to grass trimmer
Power, grass trimmer will be inverted integrally, and grass trimmer is caused to generate certain collision damage to operator, so devising in invention
Accelerate flywheel, is acted on using the torque resistant that the acceleration that the acceleration rotation of flywheel provides increases grass trimmer itself.When top grass is produced
After raw reaction force is greater than the strength of worker, and entire grass trimmer generates because of the acceleration of flywheel and resists torque and work
It can not all be provided under the collective effect of manpower amount after can resisting grass to the reaction force of grass trimmer, grass trimmer can integrally invert.
In order to solve this problem, hydraulic motor power is all output to by acceleration flywheel by differential mechanism automatic control and adjustment in invention
On, and then mowing shaft is made to run out of steam, i.e., grass trimmer will not invert, and only accelerate flywheel in rotation.
The first main shaft is connect by the first differential mechanism with the 4th shaft and mowing shaft in grass-mowing in the present invention, and first
Differential mechanism can guarantee the power of the first main shaft transmitting according to the Drag distribution power of the 4th shaft and mowing shaft, and resistance is opposite
Smaller, assigned power is bigger, i.e., after wherein any one is stuck for the 4th shaft and mowing shaft, the first main shaft is moved
Power can be only delivered in the shaft not being stuck；Second left axle and the second right axle are connected by the second differential mechanism and flywheel shaft
Connect, the second differential mechanism designed for, the power of the second left axle and the second right axle can for delivery in flywheel shaft, and
And after any one in the second left axle and the second right axle is stuck, the shaft not being stuck can transfer power to flywheel
In shaft；Third shaft is connect by controllable clutch with the second left axle, and the design of controllable clutch is that this grass-mowing meets
Third shaft and the second left axle can just connect transmitting when certain condition；Triggering arc plate is radially slided in third support plate by conducting bar
Dynamic, triggering arc plate can be contacted with rotatably supported rotation with the trigger ramp in triggering block, under trigger ramp guiding role
Triggering arc plate is moved to third support plate direction.Limited block is controlled in sliding can slide in limit sliding sleeve and limit hole, limit
The sliding of position block can be limited to axis is limited；After limited block is inserted into limit hole, limiting axis will be rotated by limitation；
Trigger arc plate by positive stop strip and limit triggering block transmission control limited block movement, and then control limit axis limitation with
It is no.Two sides also have a friction block on the mowing hack lever of grass-mowing, friction block in mowing hack lever rotary course with ground friction
Contact guarantees that mowing blade and ground keep certain gap, ground is scratched when preventing mowing blade from rotating.The installation of mowing hack lever
There is support foundation in mowing shaft, on the downside of mowing shaft, support foundation passes through support foundation lead ring and support foundation card slot
Cooperation can be rotated around mowing shaft, the purpose of rotation is in one side mowing hack lever rotary course, the mowing of rotation
Shaft and static ground are played by support foundation transition, on the other hand with friction block jointly guarantees that mowing blade and ground are protected
Hold the effect in certain gap.
The embodiment of the cutting protrusion of grass-mowing is as follows: rotation support can rotate on fixed bottom plate, in rotation
Scroll spring is compressed, while hydraulic motor, various shafts and support being driven to rotate together.When grass is easy to be sliced off,
It triggers arc plate to be in far from rotation support outer edge surface position, limited block is entrapped in limit hole at this time, is limited axis and is revolved by limitation
Turn, the rotation of the second right axle and first rotating shaft is limited by the cone tooth engagement between shaft by the restriction axis of limitation rotation；
Controllable clutch maintains the separation of the second left axle and third shaft, and hydraulic motor is only capable of to move by the second shaft and the first main shaft
Power is transmitted in mowing shaft.When the mowing blade and grass collision driven by hydraulic motor is cut, grass has mowing blade anti-
Active force, reaction force are transmitted on hydraulic motor by mowing shaft, are driven rotation support rotation later, are compressed scrollwork bullet
Spring is easier to the reaction force very little of grass removed, and scroll spring can be greater than reaction after being compressed lesser angle, and
Worker can be greater than scroll spring restoring force with lesser power at this time, be easier to cut so mowing blade can successfully be cut off
Grass.When grass is more difficult to be cut, mowing blade will receive biggish reaction force, and scroll spring is compressed very big angle at this time
Degree, when the critical force that compressed scroll spring restoring force is generated close to general worker's fatigue, rotation support rotates to certain
Setting angle, engagement of the controllable clutch to third shaft and the second left axle can be excited at this angle, the second left axle passes through second
Differential mechanism connects hydraulic motor and drives flywheel rotation, when the reaction force for the counterforce counteraction mowing blade that flywheel rotation generates
Afterwards, worker cuts grass with regard to can also easily hold bridge using low-force.When grass it is super it is difficult cut when, and wheel action
After power can not offset the reaction force of mowing blade, scroll spring can be compressed bigger angle, and triggering block can trigger triggering arc
Plate movement, so that limited block is exited from limit hole, restriction axis restores rotation, and mowing shaft is rotated by grass limitation at this time, hydraulic
The power of mowing blade is transmitted on flywheel by motor by the first differential mechanism by first rotating shaft, restriction axis and the second left axle,
Flywheel high speed rotation under the transmission of both the second left axle and the second right axle, and grass trimmer stops in situ and without reversion feelings
Condition, when making one to reuse grass trimmer will not because of grass cutting complexity and be held with a firm grip with the power of different variations grass trimmer with gram
Clothes grass is to the reaction force of grass trimmer, grass trimmer of the invention and its easy to operate, and prevents grass trimmer reversion to people's
Injury has beneficial using effect.
Detailed description of the invention
Fig. 1 is grass trimmer structural schematic diagram.
Fig. 2 is grass-mowing structural schematic diagram.
Fig. 3 is grass-mowing structural side view.
Fig. 4 is rotation support scheme of installation.
Fig. 5 is triggering block scheme of installation.
Fig. 6 is mowing hack lever dependency structure schematic diagram.
Fig. 7 is limited block mounting structure schematic diagram.
Fig. 8 is support construction of sill pillar schematic diagram.
Fig. 9 is to limit axle construction schematic diagram.
Figure 10 is that triggering arc plate and triggering block cooperate schematic diagram.
Figure label title: 2, hydraulic power mechanism, 3, bridge, 4, grass-mowing, 5, mowing hack lever, 9, triggering block, 12,
Acceleration flywheel, 13, flywheel rotating shaft support, 14, flywheel shaft, the 15, second differential mechanism, 16, controllable clutch, 20, rotation support,
21, the first differential mechanism, 22, mowing shaft, 23, hydraulic motor, 25, triggering arc plate, 26, fixed bottom plate, the 36, first support plate,
37, the second left axle, the 38, second right axle, 39, restriction axis, 40, restriction item, the 41, second support plate, 42, first rotating shaft, 43, third
Support plate, 44, conducting bar, the 45, the 4th support plate, 46, scroll spring, the 47, the 5th support plate, 48, hydraulic motor bottom plate, 49, liquid
Pressure motor support, the 50, the 6th support plate, the 51, second shaft, the 52, the 7th support plate, 53, third shaft, the 54, the 8th support plate,
55, hydraulic motor shaft, 56, support foundation, the 57, first main shaft, 58, lead ring slot, 59, rotation lead ring, 60, spring anchor block,
61, mowing shaft guide groove, 62, trigger ramp, 63, mowing shaft lead ring, 64, support foundation card slot, 65, friction block, 66, mowing
Blade, 67, limited block, 68, limit triggering block, 69, limit sliding sleeve, 70, support foundation lead ring, 71, limit hole, 72, the 4th turns
Axis.
Specific embodiment
As shown in Figure 1, it includes hydraulic power mechanism 2, bridge 3, grass-mowing 4, wherein hydraulic power mechanism 2 has combustion
Oil turbine and hydraulic pump, hydraulic power mechanism 2 are mounted on 3 one end of bridge, and 3 other end of bridge is equipped with grass-mowing 4.
Above-mentioned grass-mowing 4 is cylinder, with annulus shell.
As shown in Figure 2,3, above-mentioned grass-mowing 4 includes mowing hack lever 5, triggering block 9, accelerates flywheel 12, flywheel shaft 14
Support 13, flywheel shaft 14, the second differential mechanism 15, controllable clutch 16, rotation support the 20, first differential mechanism 21, mowing shaft 22,
Hydraulic motor 23, triggering arc plate 25, fixed bottom plate 26, the first support plate 36, the second left axle 37, the second right axle 38, limit axis 39,
Limit article the 40, second support plate 41, first rotating shaft 42, third support plate 43, conducting bar 44, the 4th support plate 45, scroll spring 46,
5th support plate 47, hydraulic motor bottom plate 48, hydraulic motor support the 49, the 6th support plate 50, the second shaft 51, the 7th support plate
52, third shaft 53, the 8th support plate 54, hydraulic motor shaft 55, the first main shaft 57, lead ring slot 58, rotation lead ring 59, mowing
Shaft guide groove 61, trigger ramp 62, mowing shaft lead ring 63, limited block 67, limit triggering block 68, limit sliding sleeve 69, limit hole
71, mowing blade 66, the 4th shaft 72, wherein fixed bottom plate 26 is mounted on the downside of the inner edge surface of 4 annulus shell of grass-mowing, such as
Shown in Fig. 5, there is mowing shaft guide groove 61 in the fixed intermediate circular hole of bottom plate 26, be provided with lead ring slot on fixed 26 upside end face of bottom plate
58, there is in arc triggering block 9 trigger ramp 62 and be mounted on fixed 26 upside of bottom plate and close to fixed 26 outer edge surface of bottom plate；Such as
Shown in Fig. 6, mowing shaft lead ring 63 is installed in mowing shaft 22, mowing shaft 22 is turned by mowing shaft lead ring 63 and mowing
Axle guide 61 is fitted in fixed bottom plate 26, and 22 bottom end of mowing shaft is symmetrically installed each mowing there are two mowing hack lever 5
5 top of hack lever is equipped with mowing blade 66, and frame body of the mowing hack lever 5 close to 22 junction of mowing shaft is greater than apart from ground level
Mowing blade 66 is at a distance from ground；As shown in figure 4, rotation support 20 is Circular Plate, downside is equipped with rotation lead ring 59, rotation
Turn support 20 to be fitted on fixed bottom plate 26 by rotation lead ring 59 and lead ring slot 58；As shown in Figure 2,3, hydraulic motor bottom
Plate 48 is mounted on rotation 20 outer edge surfaces of support；As shown in Figure 2,4, scroll spring 46 is mounted in rotation 20 inner ring of support, and
46 outer end of scroll spring is mounted on the inner ring surface of rotation support 20, and inner end is mounted on fixed bottom plate 26；As shown in Figure 2,3,
Hydraulic motor 23 is mounted on hydraulic motor bottom plate 48 by hydraulic motor support 49；7th support plate 52 is mounted on rotation support
20 upsides and close hydraulic motor support 49,50 one end of the 6th support plate are fixed on 52 side of the 7th support plate and support with the 7th
Plate 52 is vertical, and 54 one end of the 8th support plate is fixed on 52 top of the 7th support plate and, sixth support vertical with the 7th support plate 52
Plate 50 and the ipsilateral one end of the 8th support plate 54 are equipped with the 5th support plate 47 and the 5th support plate 47 and the 7th support plate jointly
52 is parallel, and third support plate 43 is mounted in rotation support 20 and symmetrical with the 7th support plate 52；4th support plate 45 1
End is mounted on 47 side of the 5th support plate, and the other end is mounted on 43 side of third support plate；First support plate, 36 bottom end is mounted on
In 4th support plate 45 and vertical with the 4th support plate 45,41 one end of the second support plate is fixed on 43 top of third support plate, separately
One end is mounted on 36 side of the first support plate；First main shaft 57 is mounted on 47 downside of the 5th support plate, and the 4th shaft 72 is mounted on
In 4th support plate 45, the first main shaft 57 is connect by the first differential mechanism 21 with mowing shaft 22 and the 4th shaft 72, is mowed and is turned
Axis 22 and the 4th shaft 72 are two differential shafts of the first differential mechanism 21；Second shaft 51 is mounted in the 6th support plate 50, and
Second shaft 51 and the first main shaft 57 are driven by cone tooth cooperation；Hydraulic motor shaft 55 is mounted in the 7th support plate 52, the
Three shafts 53 are mounted in the 8th support plate 54, and hydraulic motor shaft 55 passes through the cooperation of cone tooth and the second shaft 51 and third shaft
53 engagements；Second left axle 37 is mounted on 47 upside of the 5th support plate, and third shaft 53 passes through controllable clutch 16 and the second left axle 37
Connection；Second right axle 38 is mounted on 36 upside of the first support plate；The support of flywheel shaft 14 13 is mounted on interior on the upside of annulus shell
On edge face, flywheel shaft 14 is mounted in the support of flywheel shaft 14 13, and flywheel 12 is accelerated to be mounted on 14 upper end of flywheel shaft；Flywheel
Shaft 14 is connect by the second differential mechanism 15 with the second right axle 38 and the second left axle 37, and the second left axle 37 and the second right axle 38 are the
Two differential shafts of two differential mechanisms 15；It limits axis 39 to be mounted in the second support plate 41, first rotating shaft 42 is mounted on the first support
On plate 36,39 one end of axis and the second right axle 38 are limited by cone tooth cooperation, 39 other end of axis is limited and first rotating shaft 42 passes through cone
Tooth cooperation；By cone tooth cooperation, 42 other end of first rotating shaft and the 4th shaft 72 pass through cone for 42 one end of first rotating shaft and restriction axis
Tooth cooperation；As shown in Fig. 2,7, limit sliding sleeve 69 is mounted in the first support plate 36, there are two 67 two sides of limited block are symmetrically installed
Triggering block 68 is limited, each limit triggering block 68 is mounted on triggering 25 top two sides of arc plate by limiting item 40, such as Fig. 9 institute
Show, limiting and being provided with limit hole 71 on axis 39,67 one end of limited block slides in limit hole 71, and the other end slides on limit sliding sleeve 69
In；44 one end of conducting bar is mounted on triggering arc plate 25, and the other end passes through the square hole in third support plate 43；Trigger 25 lower end of arc plate
There is the gap lower than 9 height of triggering block with fixed bottom plate 26.
Hydraulic pump in above-mentioned hydraulic power mechanism 2 is linked together by hydraulic tube with hydraulic motor 23.
As shown in figure 8, above-mentioned 22 bottom end of mowing shaft is provided with the support foundation card slot 64 of annular, supports and opened on the upside of foundation 56
There is circular groove, circular groove bottom end is equipped with annular brace foundation lead ring 70, and support foundation 56 passes through support foundation lead ring 70 and support bottom
The cooperation of column card slot 64 and be mounted on 22 bottom end of mowing shaft.
As shown in fig. 6, above-mentioned 5 lower end two sides of mowing hack lever are symmetrically installed, there are two friction blocks 65, and two friction blocks 65
Between two mowing blades 66.
As shown in figure 4, above-mentioned 46 inner end of scroll spring is mounted on fixed bottom plate 26 by spring anchor block 60.
In conclusion driving hydraulic pump using the fuel engines in hydraulic power mechanism 2 in the present invention, and by hydraulic
Pipe drives the hydraulic motor 23 in grass-mowing 4 and then the rotation of mowing blade 66 is driven to mow.Grass-mowing 4 in the present invention
On the one hand design plays the protective effect after being stuck when mowing blade 66 cuts top grass to power-driven mechanism, on the other hand
Rotary acceleration by accelerating flywheel 12 plays the resistance for increasing the reaction force for resisting mowing blade 66, so that mowing
Mowing blade 66 on hack lever 5 carries out cutting removal to the top grass on ground；In the case where 23 power of hydraulic motor allows, cut
The peak torque that careless blade 66 cuts top grass is decided by the weight of itself and the strength of worker, and wishes to cut for user
The lighter careless machine the better, and more lighter easier long-time carries work；But when grass trimmer is lighter, it is necessary to which people tightly holds and cuts
For careless machine to provide biggish resistance, the power that worker uses is bigger, and worker is shorter using the time that grass trimmer continues working.When
When encountering the top grass of more difficult cutting, worker may be because that the strength of itself not enough can not provide the reaction force equal to grass trimmer
Power, grass trimmer will invert integrally, cause grass trimmer to generate certain collision damage to operator, so designing in invention
Acceleration flywheel 12, the acceleration for utilizing the acceleration rotation of flywheel to provide increase the torque resistant effect of grass trimmer itself.Work as top grass
After generated reaction force is greater than the strength of worker, and entire grass trimmer generates resistance torque because of the acceleration of flywheel
With can not all be provided under the collective effect of Workers Power can resist grass to the reaction force of grass trimmer after, grass trimmer integrally can be anti-
Turn.In order to solve this problem, 23 power of hydraulic motor is all output to by acceleration by differential mechanism automatic control and adjustment in invention
On flywheel 12, and then mowing shaft 22 is made to run out of steam, i.e., grass trimmer will not invert, and only accelerate flywheel 12 in rotation.
First main shaft 57 passes through the first differential mechanism 21 and the 4th shaft 72 and mowing shaft 22 in grass-mowing 4 in the present invention
Connection, the first differential mechanism 21 can guarantee the power of the first main shaft 57 transmitting according to the resistance of the 4th shaft 72 and mowing shaft 22
Distribute power, resistance is relatively smaller, and assigned power is bigger, i.e., when the 4th shaft 72 and mowing shaft 22 wherein any one
After being stuck, the power of the first main shaft 57 can be only delivered in the shaft not being stuck；Second left axle 37 and the second right axle
38 are connect by the second differential mechanism 15 with flywheel shaft 14, the second differential mechanism 15 designed for, the second left axle 37 and the
The power of two right axles 38 can be for delivery in flywheel shaft 14, and when any one in the second left axle 37 and the second right axle 38
After being stuck, the shaft not being stuck can be transferred power in flywheel shaft 14；Third shaft 53 passes through controllable clutch
16 connect with the second left axle 37, and the design of controllable clutch 16 is third shaft 53 when this grass-mowing 4 is met certain condition
Transmitting can be just connected with the second left axle 37；Triggering arc plate 25 is radially slided in third support plate 43 by conducting bar 44, triggers arc
Plate 25 can be contacted with the rotation of rotation support 20 with the trigger ramp 62 in triggering block 9, as shown in Figure 10, in trigger ramp 62
Arc plate 25 is triggered under guiding role to move to 43 direction of third support plate.Limited block 67 is controlled in sliding can be in limit sliding sleeve 69
It is slided in limit hole 71, the sliding of limited block 67 can be limited to axis is limited；When limited block 67 is inserted into limit hole 71
In after, limit axis will by limitation rotate；It triggers arc plate 25 and limited block is controlled by the transmission of positive stop strip and limit triggering block 68
67 movement, and then whether the limitation of control restriction axis.Two sides also have friction block 65 on the mowing hack lever 5 of grass-mowing 4, rub
Cleaning block 65 contacts in 5 rotary course of mowing hack lever with ground friction, guarantees that mowing blade 66 and ground keep certain gap,
Prevent mowing blade 66 from scratching ground when rotating.Mowing hack lever 5 is mounted in mowing shaft 22, has branch on the downside of mowing shaft 22
Foundation 56 is supportted, support foundation 56 is by support foundation lead ring 70 and supports the cooperation of foundation card slot 64 can be around mowing shaft 22
Rotation, the purpose of rotation are in 5 rotary course of one side mowing hack lever that the mowing shaft 22 of rotation and static ground pass through
56 transition of foundation is supported, is on the other hand played jointly with friction block 65 and guarantees that mowing blade 66 and ground keep certain gap
Effect.
The embodiment of the cutting protrusion of grass-mowing 4 is as follows: rotation support 20 can rotate on fixed bottom plate 26, revolve
Scroll spring 46 is compressed in turning, while hydraulic motor 23, various shafts and support being driven to rotate together.When the easy quilt of grass
When slicing off, triggering arc plate 25 is in far from 20 outer edge surface positions of rotation support, and limited block 67 is entrapped in limit hole 71 at this time,
It limits axis to be rotated by limitation, 38 He of the second right axle is limited by the cone tooth engagement between shaft by the restriction axis of limitation rotation
The rotation of first rotating shaft 42；Controllable clutch 16 maintains the separation of the second left axle 37 and third shaft 53, and hydraulic motor 23 is only capable of
It is transferred power in mowing shaft 22 by the second shaft 51 and the first main shaft 57.The mowing blade driven by hydraulic motor 23
66 with grass collision cut when, grass to mowing blade 66 have reaction force, reaction force by mowing shaft 22 be transmitted to it is hydraulic
On motor 23,20 rotation of rotation support is driven later, compresses scroll spring 46, is easier to the reaction force very little of grass removed,
Scroll spring 46 can be greater than reaction after being compressed lesser angle, and worker with lesser power can be greater than scrollwork at this time
46 restoring force of spring, so mowing blade 66 can successfully cut off the grass for being easier to cutting.When grass is more difficult to be cut, mow
Blade 66 will receive biggish reaction force, and scroll spring 46 is compressed very big angle at this time, when compressed scroll spring
When the critical force that 46 restoring forces are generated close to general worker's fatigue, rotation support 20 rotates to certain setting angle, this angle
Place can excite engagement of the controllable clutch 16 to third shaft 53 and the second left axle 37, and the second left axle 37 is connect by the second differential mechanism 15
Logical hydraulic motor 23 drives flywheel rotation, after the reaction force for the counterforce counteraction mowing blade 66 that flywheel rotation generates,
Worker is cut using low-force with regard to can also easily hold 3 pairs of grass of bridge.When grass it is super it is difficult cut when, and wheel action power
After the reaction force that mowing blade 66 can not be offset, scroll spring 46 can be compressed bigger angle, and triggering block 9 can trigger triggering
Arc plate 25 moves, so that limited block 67 is exited from limit hole 71, limits axis and restores rotation, mowing shaft 22 is limited by grass at this time
Rotation, hydraulic motor 23 is by the first differential mechanism 21 by the power of mowing blade 66 by first rotating shaft 42, restriction axis and second
Left axle 37 is transmitted on flywheel, flywheel high speed rotation under the transmission of 38 the two of the second left axle 37 and the second right axle, and grass trimmer
Stop it is in situ and without Reversion, when making one to reuse grass trimmer will not because of grass cutting complexity and with different changes
The power of change holds grass trimmer with a firm grip to overcome grass to the reaction force of grass trimmer, grass trimmer of the invention and its easy to operate, and
It prevents grass trimmer to invert the injury to people, there is beneficial using effect.
Claims (2)
1. a kind of grass trimmer for municipal Garden Engineering, it is characterised in that: it includes hydraulic power mechanism, bridge, grass trimmer
Structure, wherein hydraulic power mechanism has fuel engines and hydraulic pump, and hydraulic power mechanism is mounted on bridge one end, and bridge is another
End is equipped with grass-mowing；
Above-mentioned grass-mowing is cylinder, with annulus shell；
Above-mentioned grass-mowing includes mowing hack lever, triggering block, accelerates flywheel, flywheel rotating shaft support, flywheel shaft, the second differential
Device, controllable clutch, rotation support, the first differential mechanism, mowing shaft, hydraulic motor, triggering arc plate, fixed bottom plate, the first support
Plate, the second right axle, limits axis, restriction article, the second support plate, first rotating shaft, third support plate, conducting bar, the 4th at the second left axle
Fagging, scroll spring, the 5th support plate, hydraulic motor bottom plate, hydraulic motor support, the 6th support plate, the second shaft, the 7th
Fagging, third shaft, the 8th support plate, hydraulic motor shaft, the first main shaft, lead ring slot, rotation lead ring, mowing shaft guide groove,
Trigger ramp, mowing shaft lead ring, limited block, limit triggering block, limit sliding sleeve, limit hole, mowing blade, the 4th shaft,
Middle fixed bottom plate is mounted on the downside of the inner edge surface of grass-mowing annulus shell, in circular hole there is mowing shaft to lead among fixed bottom plate
Slot is fixed and is provided with lead ring slot on the upside of bottom plate on end face, has trigger ramp in arc triggering block and is mounted on the upside of fixed bottom plate
And close to fixed bottom plate outer edge surface；Mowing shaft lead ring is installed in mowing shaft, mowing shaft by mowing shaft lead ring with
Mowing shaft guide groove is fitted in fixed bottom plate, and mowing shaft bottom end is symmetrically installed with two mowing hack levers, each mowing
Hack lever top is equipped with mowing blade, and frame body of the mowing hack lever close to mowing shaft junction is greater than hay knife apart from ground level
Piece is at a distance from ground；Rotation support is Circular Plate, and downside is equipped with rotation lead ring, and rotation support is by rotating lead ring and leading
Annular groove is fitted on fixed bottom plate；Hydraulic motor bottom plate is mounted on rotation support outer edge surface；Scroll spring is mounted on rotation
Turn in support inner ring, and scroll spring outer end is mounted on rotatably supported inner ring surface, inner end is mounted on fixed bottom plate；It is hydraulic
Motor is mounted on hydraulic motor bottom plate by hydraulic motor support；7th support plate is mounted on rotation support upside and close to liquid
Pressure motor support, the 6th support plate one end is fixed on the 7th support plate side and, eightth support plate one vertical with the 7th support plate
End is fixed on the 7th support plate top and vertical with the 7th support plate, the 6th support plate and the 8th support plate it is ipsilateral one end it is common
5th support plate is installed and the 5th support plate is parallel with the 7th support plate, it is upper and with that third support plate is mounted on rotation support
Seven support plates are symmetrical；4th support plate one end is mounted on the 5th support plate side, and the other end is mounted on third support plate side
Face；First support plate bottom end is mounted in the 4th support plate and vertical with the 4th support plate, and second support plate one end is fixed on
Three support plate tops, the other end are mounted on the first support plate side；First main shaft is mounted on the downside of the 5th support plate, the 4th shaft
Be mounted in the 4th support plate, the first main shaft is connect by the first differential mechanism with mowing shaft and the 4th shaft, mowing shaft with
4th shaft is two differential shafts of the first differential mechanism；Second shaft is mounted in the 6th support plate, and the second shaft and first
Main shaft passes through cone tooth cooperation transmission；Hydraulic motor shaft is mounted in the 7th support plate, and third shaft is mounted on the 8th support plate
On, hydraulic motor shaft is engaged by cone tooth cooperation with the second shaft and third shaft；Second left axle is mounted on the 5th support plate
Upside, third shaft are connect by controllable clutch with the second left axle；Second right axle is mounted on the upside of the first support plate；Flywheel shaft
Support is mounted on the inner edge surface on the upside of annulus shell, and flywheel shaft is mounted on flywheel rotating shaft support, and flywheel is accelerated to be mounted on
Flywheel shaft upper end；Flywheel shaft is connect by the second differential mechanism with the second right axle and the second left axle, the second left axle and second right side
Axis is two differential shafts of the second differential mechanism；It limits axis to be mounted in the second support plate, first rotating shaft is mounted on the first support plate
On, axis one end and the second right axle are limited by cone tooth cooperation, are limited the axis other end and first rotating shaft and are passed through cone tooth cooperation；First turn
Axis one end and restriction axis are by cone tooth cooperation, and the first rotating shaft other end and the 4th shaft are by boring tooth cooperation；Limit sliding sleeve installation
In the first support plate, limited block two sides are symmetrically installed there are two triggering block is limited, and each limit triggering block passes through restriction item
Triggering arc plate top two sides are mounted on, limits and is provided with limit hole on axis, limited block one end slides in limit hole, other end sliding
In limit sliding sleeve；Conducting bar one end is mounted on triggering arc plate, and the other end passes through the square hole in third support plate；It triggers under arc plate
End has the gap lower than triggering block height with fixed bottom plate；
Hydraulic pump in above-mentioned hydraulic power mechanism is linked together by hydraulic tube and hydraulic motor；
Above-mentioned mowing shaft bottom end is provided with the support foundation card slot of annular, and circular groove, the installation of circular groove bottom end are provided on the upside of support foundation
There is annular brace foundation lead ring, support foundation is mounted on mowing by the cooperation of support foundation lead ring and support foundation card slot and turns
Axis bottom end；
Above-mentioned scroll spring inner end is mounted on fixed bottom plate by spring anchor block.
2. a kind of grass trimmer for municipal Garden Engineering according to claim 1, it is characterised in that: above-mentioned mowing hack lever
Lower end two sides are symmetrically installed there are two friction block, and two friction blocks are located between two mowing blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356296.5A CN109511357B (en) | 2017-03-06 | 2017-03-06 | A lawn mower for municipal garden engineering |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129513.6A CN106888672B (en) | 2017-03-06 | 2017-03-06 | A kind of portable mowing machine for municipal Garden Engineering |
| CN201811356296.5A CN109511357B (en) | 2017-03-06 | 2017-03-06 | A lawn mower for municipal garden engineering |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129513.6A Division CN106888672B (en) | 2017-03-06 | 2017-03-06 | A kind of portable mowing machine for municipal Garden Engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109511357A true CN109511357A (en) | 2019-03-26 |
| CN109511357B CN109511357B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811356296.5A Active CN109511357B (en) | 2017-03-06 | 2017-03-06 | A lawn mower for municipal garden engineering |
| CN201710129513.6A Active CN106888672B (en) | 2017-03-06 | 2017-03-06 | A kind of portable mowing machine for municipal Garden Engineering |
| CN201811356260.7A Active CN109463097B (en) | 2017-03-06 | 2017-03-06 | Portable lawn mower that municipal garden engineering used |
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| CN201710129513.6A Active CN106888672B (en) | 2017-03-06 | 2017-03-06 | A kind of portable mowing machine for municipal Garden Engineering |
| CN201811356260.7A Active CN109463097B (en) | 2017-03-06 | 2017-03-06 | Portable lawn mower that municipal garden engineering used |
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| US20100001675A1 (en) * | 2008-07-04 | 2010-01-07 | Makita Corporation | Electric Power Tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106888672A (en) | 2017-06-27 |
| CN109463097A (en) | 2019-03-15 |
| CN109511357B (en) | 2020-07-31 |
| CN106888672B (en) | 2018-12-28 |
| CN109463097B (en) | 2020-06-16 |
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Effective date of registration: 20211117 Address after: 273300 101, East first floor, Pingyi County Economic Development Zone Management Committee, Linyi City, Shandong Province Patentee after: Pingyi Jingfa Industry Development Co.,Ltd. Address before: 311400 room 703, 177 Gong Wang street, Fuchun street, Fuyang District, Hangzhou, Zhejiang. Patentee before: HANGZHOU FUYANG FEISHANG DECORATION ENGINEERING Co.,Ltd. |