CN105875063A - Grass cutter - Google Patents
Grass cutter Download PDFInfo
- Publication number
- CN105875063A CN105875063A CN201510830749.3A CN201510830749A CN105875063A CN 105875063 A CN105875063 A CN 105875063A CN 201510830749 A CN201510830749 A CN 201510830749A CN 105875063 A CN105875063 A CN 105875063A
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- China
- Prior art keywords
- safety guard
- hay mover
- housing
- foremost
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/20—Devices for protecting men or animals
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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
- A01D34/64—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 mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention relates to a grass cutter which comprises a shell, a safety guard, a connecting piece, wheels and a cutting device provided with blades, wherein the safety guard is arranged outside the shell; the first end and the second end of the connecting piece are respectively and movably connected with the safety guard and the shell, so that the safety guard is in a first position opposite to the shell; the wheels are used for supporting the shell; after being under the action of external force, the safety guard deviates opposite to the first position, and a minimum distance between the frontmost end of the deviated safety guard and the frontmost end of a cutting locus of each of the blades is not more than 60 millimeters. According to the grass cutter provided by the invention, when the safety guard touches an obstacle, the shell can also move towards the direction of the obstacle; as the minimum distance between the frontmost end of the deviated safety guard and the frontmost end of the cutting locus of each of the blades is not more than 60 millimeters, grass or vegetations nearby the obstacle can be ensured to be cut. When the grass cutter is far away from the obstacle, a relative position between the safety guard and the shell can be manually or automatically operated, so that the grass cutter conforms to safety standards.
Description
Technical field
The present invention relates to graden machine field, particularly relate to a kind of hay mover.
Background technology
Hay mover be a kind of for cutting the grass on a lawn, the machine tool of vegetation etc..The cutter sweep of hay mover is arranged
Below housing, cutter sweep is used for performing cutting operation.Owing to the blade in cutter sweep is the sharpest,
Easily cause the injury to people and animals, the generally housing at hay mover and be outside equipped with safety guard so that cutting dress
Sufficiently large gap is there is in the blade in putting with the inwall of safety guard.But, in the range of hay mover
Within more or less can there is barrier, when barrier run into by hay mover, due to blade and safety guard
There is gap between inwall, can cause being in the grass of this relevant position, gap or vegetation cutting is not fallen, thus
Affect hay mover cutting effect.
If arranged in the gap between inwall and the blade of safety guard is less, although when hay mover is run into
During barrier, as much as possible can cut grass or vegetation, but owing to housing is the least with the gap of blade,
Unnecessary injury, hay mover can be caused can not to reach the safety standard of requirement people and animals during use.
Summary of the invention
Based on this, it is necessary to provide a kind of hay mover meeting cutting and safety requirements simultaneously.
A kind of hay mover, for walking on the ground and mowing, comprising: housing；There are front-end and back-end
Safety guard, be arranged on outside described housing；Connector, connects described housing and described safety guard, makes
Obtain the most described housing of described safety guard and be in primary importance；Wheel, supports described housing；There is blade
Cutter sweep, be arranged at below described housing, rotating blade perform cutting operation；The of described connector
One end and the second end are movably connected with described safety guard and described housing, and described safety guard is by external force
After effect, offset relative to described primary importance for fixed point with the first end of described connector, offset
The minimum range foremost with the cutting track of described blade foremost of described safety guard be not more than 60
Millimeter.
Above-mentioned hay mover, when being arranged on outermost safety guard and encountering barrier, due to depositing of connector
, housing can also move towards barrier direction, and relative displacement occurs between housing and safety guard, should
The minimum range foremost with the cutting track of blade foremost of safety guard is not more than 60 millimeters, so
Can ensure that the grass near barrier or vegetation also are able to cut away.When hay mover is away from barrier, permissible
Manually or automatically operate the relative position of safety guard and housing so that hay mover meets safety standard.
Wherein in an embodiment, occur skew described safety guard foremost with the cutting of described blade
Cut the ultimate range foremost of track more than 100 millimeters.
Wherein in an embodiment, occur skew described safety guard foremost with the cutting of described blade
Cut the difference between minimum range foremost and the ultimate range of track more than 30 millimeters.
Wherein in an embodiment, the front end of described safety guard is provided with boundary line sensor.
Wherein in an embodiment, described safety guard when being in primary importance foremost with blade
Cutting track distance foremost is more than 60 millimeters.
Described safety guard is or/and described housing arranges stopping means, and described stopping means is in order to limit described peace
Full relative shift between guard shield and described housing.Stopping means can control between safety guard and housing
Relative shift, it is to avoid relative shift is excessive, affects the normal work of hay mover.
Wherein in an embodiment, described safety guard foremost with the cutting track of described blade before
The minimum range of end is not more than 30 millimeters.
Wherein in an embodiment, described connector is extension spring, and the two ends of described extension spring connect described respectively
Safety guard and described housing.Extension spring attachment security guard shield and housing, after hay mover is away from barrier, due to
Extension spring self-characteristic, extension spring returns to original state, and safety guard returns to initial position
Wherein in an embodiment, the outside of described wheel is provided with boss, and described boss is convex towards outside
Go out.So, boss can effectively stop people, animal etc. and blade contact, improves the security performance of hay mover.
Wherein in an embodiment, described hay mover also includes distance detection device, driving means and control
Unit, described distance detection device, described driving means be connected with described control device respectively, described distance
Detection device is arranged on described housing or/and on described safety guard, described distance detection device is in order to detect
State the distance between housing and described safety guard, when described distance is less than threshold value, described control device control
Make described driving means and rotate described hay mover.
Accompanying drawing explanation
Fig. 1 is structural representation during hay mover first state of the present invention；
Fig. 2 is structural representation during hay mover second state of the present invention；
Fig. 3 is the hay mover forward sight structural representation of one embodiment of the present of invention；
Fig. 4 is the side-looking structural representation of the hay mover of Fig. 3；
Fig. 5 is the structural representation of the hay mover of another embodiment of the present invention.
Wherein:
100. hay mover 120. housing 130. connectors
140. safety guard 150. border sensor 160. wheels
161. boss 180. cutter sweep 181. rotating disks
182. blades 183. drive motor 190. preventer
191. roller 192. rotating shaft 193. blocking teeths
194. gusset
Detailed description of the invention
Hay mover be a kind of for cutting the grass on a lawn, the machine tool of vegetation etc..Walking manner according to hay mover
Difference, can be divided into automatically walking, passive walking or both the mode such as combine.
The hay mover walked with automatic walking manner below, to describe the present invention in detail, refer to Fig. 1 and Fig. 2,
Structural representation for two shape bodies of hay mover of the present invention.The normal direct of travel of hay mover 100 herein
For the front of hay mover, the rear that a side be hay mover 100 relative with front, hay mover based on definition
The front and rear direction of 100, hay mover 100 also includes the arranged on left and right sides between forward and backward side.This mowing
Machine 100 includes housing 120, and is supported in the wheel 160 below housing 120, is connected to housing 120 times
Side is for performing the cutter sweep 180 of cutting operation, and safety guard 140, before safety guard 140 includes
End and rear end, here, the part being positioned at the front of hay mover is front end, be rear end relative to one end of front end,
Safety guard 140 is arranged on outside housing 120, safety guard 140 and at least one connector of housing 120
130 connect.Connector 130 utilizes the active force of self to keep safety guard 140 to be in relative with housing 120
Fixing position, this position is defined as primary importance.When safety guard 140 is in relative to housing 120
During primary importance, both are in position the most relatively so that the cutting of the blade 182 of cutter sweep 180
Keep suitable gap between track and safety guard 140, thus reach the requirement of safety.
In the present embodiment, the first end of connector 130 is flexibly connected with safety guard 140, connector
Second end of 130 is flexibly connected with housing 120.When safety guard 140 is by External Force Acting, safety guard
140 offset with the first end of connector 130 for fixed point relative first position, and the external force being subject at this is permissible
For the obstacle effect near hay mover working range or working range at the active force of safety guard 140,
These barriers can be trees, body of wall, stone, clod etc..In the present embodiment, safety guard 140
Can housing 120 relatively towards a direction in front, rear, left and right, the orientation such as upper and lower or multiple orientation knot
The direction closed is moved.Owing to hay mover 100 is when cutting operation, typically all advance forward, in front
The probability running into barrier is maximum, so, in the present embodiment, when safety guard 140 offsets
Time, be provided with safety guard 140 foremost with the minimum range foremost of the cutting track of blade 182
It is not more than 60 millimeters.When hay mover 100 operationally, encounter barrier, safety guard in a forward direction
140 can move towards rear, safety guard 140 foremost with the cutting track of blade 182 foremost it
Between distance can be below 60 millimeters, it is ensured that the grass near barrier can be cut, when
This minimum range is more than 60 millimeters, and the grass near barrier will be difficult to cut to, and has influence on lawn
Cutting effect.Concrete, safety guard 140 foremost with the cutting track of blade 182 foremost
Minimum range can be 10,20,30,35,40,45,50,55 millimeters etc., certainly, and this minimum range
Can be other numerical value, can be according to the concrete practical situation in the position etc. of the size of housing 120, wheel 160
Arrange.Certainly, in the case of ensureing safety, above-mentioned minimum range is the smaller the better, in present embodiment
In, safety guard 140 be not more than 30 with the cutting track of blade 182 minimum range foremost foremost
Millimeter.
Sometimes, hay mover 100 is when retreating, and safety guard 140 is also possible to encounter barrier, peace
Full guard shield 140 offsets towards front.In the present embodiment, safety guard 140 now foremost with
The ultimate range foremost of the cutting track of blade 182 is more than 100 millimeters.
In the present embodiment, safety guard 140 when forwardly and rearwardly offseting, the distance of its fore-aft travel
More than 30 millimeters, i.e. safety guard 140 foremost with the minimum foremost of the cutting track of blade 182
Difference between distance and ultimate range is more than 30 millimeters.
In the present embodiment, the front end of safety guard 140 is additionally provided with boundary line sensor 150, this limit
Boundary line sensor 150 is in order to detect the position of boundary line, thus controls hay mover 100 work in working range
Make.Here, for the position detecting hay mover 100 accurately, in the setting foremost of safety guard 140
Two boundary line sensors 150, the two boundary line sensor 150 is evenly distributed in safety guard 140
Both sides.In order to ensure that the driving motor 183 in cutter sweep 180 does not produces interference to border sensor 150,
Safety guard 140 when being in primary importance foremost with the cutting track of blade 182 distance foremost
More than 60 millimeters, when i.e. this safety guard 140 is not by External Force Acting, border sensor 150 and blade 182
Cutting track distance foremost more than 60 millimeters.
Utilize connector 130 attachment security guard shield 140 and housing 120, safety guard 140 and housing 120 it
Between relative displacement can occur.Refer to Fig. 1, Fig. 1 is that the hay mover 100 structure when being in the first state is shown
Being intended to, the relative housing 120 of safety guard 140 is in primary importance,.Referring now to Fig. 2, Fig. 2 for cutting
Grass machine is in schematic diagram during the second state, has encountered barrier at this state hay mover 100.In this state,
Necessarily first safety guard 140 collides barrier, hay mover 100 continue towards barrier move time,
Barrier will certainly give safety guard 140 1 active force, and safety guard 140 keeps existing position not become
Changing, due to the existence of connector 130, housing 120 can also continue to move towards barrier.Because cutting
Device 180 is arranged on housing 120, and the gap between cutter sweep 180 and safety guard 140 will become
Little, original cutting less than grass or vegetation, it becomes possible to be cleaned.After away from barrier, safety protective
Position when cover 140 can manually or automatically return to original state or the vicinity of this position, the most again can
Access the requirement of security protection.Certainly, Fig. 2 is that the front schematically illustrating hay mover 100 is encountered
Schematic diagram during barrier, when remaining position of hay mover 100, as the position such as left and right side or rear is encountered
During barrier, those skilled in the art should know the work process of this hay mover 100 and the mistake of foregoing description
Journey is similar.
In the present embodiment, connector 130 can be rigid connecting rod, and the two ends of rigid connecting rod are permissible
It is connected with safety guard 140 and housing 120 respectively by pin-jointed structure respectively, thus realizes safety guard 140
And the relative displacement between housing 120, the gap between cutter sweep 180 and safety guard 140 diminishes.
After hay mover 100 is away from barrier, need manual operation that safety guard 140 and housing 120 are recovered
Or substantially return to the position of original state.Of course, it is possible at rigid connecting rod and safety guard 140 or shell
The junction of body 120 arranges a flexible member, and when by active force, this flexible member deforms upon, peace
Full generation relative displacement between guard shield 140 and housing 120；And when active force is once cancelled, this flexible member
Return to original state, to rigid connecting rod one active force so that safety guard 140 and housing 120 are automatic
Recover or substantially return to be in the relative position of original state, it is not necessary to being operated manually.
In the present embodiment, connector 130 can also for extension spring, the two ends of extension spring respectively with safety guard
140 and housing 120 connect.Extension spring can with safety guard 140 or/and housing 120 is fixing is connected, or
Connected by forms such as buckles.When safety guard 140 is in primary importance, the extension spring holding power by self
Carry out support safety guard shield 140 so that safety guard 140 is in suitably relative position with housing 120.When cutting
Grass machine 100 is when colliding barrier, due under the interaction of barrier and hay mover 100 self, and extension spring
The rightabout advanced towards hay mover 100 deforms upon, and occurs between safety guard 140 and housing 120
Relative displacement, the gap between cutter sweep 180 and safety guard 140 diminishes.When hay mover 100 away from
After barrier, owing to extension spring is no longer influenced by External Force Acting, its original state can be returned to.Safety guard 140
Relative position when automatically recovering under the effect of extension spring with housing 120 or substantially return to original state, should
Process is automatically performed, it is not necessary to by external force, improves labor efficiency.
The quantity of connector 130 can be arranged according to practical situation, itself and safety guard 140 or housing 120
Junction can also arrange according to practical situation.In the present embodiment, with connector 130 it is below
Extension spring be object lesson so that the link position of connector to be described, the quantity of extension spring can be four, and these four are drawn
Symmetrical being arranged between safety guard 140 and housing 120 of spring, one end of these extension springs and safety guard 140
Inwall connect, the other end of extension spring can be connected on the outer wall of housing 120, it is also possible to is connected to housing
The inside of 120, housing 120 offers corresponding hole, to ensure that extension spring can be freely movable.Certainly, extension spring
Quantity can also be one, two, three, five, six etc..
Certainly connector 130 can also be other structures, only needs this structure attachment security guard shield 140 and housing
After 120, relative displacement can occur between safety guard 140 and housing 120.
In the present embodiment, hay mover 100 also includes being arranged in housing 120 for driving at least one
The driving means of wheel, and it is positioned at the control device of housing 120, control device and be connected with driving means,
Control this driving means to control device and move hay mover 100, thus realize the automatic walking of hay mover 100.
In the present embodiment, hay mover 100 also includes stopping means, and the effect of this stopping means is used to
Limit the relative shift between safety guard 140 and housing 120, avoid safety guard 140 and housing
Relative displacement excess between 120, causes hay mover 100 internal structure that unnecessary collision occurs, and impact is cut
The performance of grass machine 100.This stopping means can be at least one limited block.When the quantity of limited block is one
Time, this limited block can be arranged on safety guard 140 or housing 120, when safety guard 140 and housing
Occur after relative displacement between 120, limited block can with corresponding housing 120 or safety guard 140 to contacting,
Thus stop the displacement occurring to continue between safety guard 140 and housing 120.The quantity of limited block also may be used
Thinking more than one, these limited blocks can be provided entirely on safety guard 140 or housing 120, not
The relative shift between safety guard 140 and housing 120 is limited on same direction；Or these are spacing
Block can partly be arranged on safety guard 140, and remaining is arranged on housing 120, passes through safety guard
Interaction between limited block on 140 and the limited block on housing 120 limits safety guard 140 and shell
Relative shift between body 120.Certainly, stopping means can also be at safety guard 140 and housing 120
The upper structure such as integrated corresponding projection or groove, those skilled in the art are readily apparent that various spacing dress
Put, do not repeat them here.
Certainly, that both safety guard 140 and housing 120 can also be utilized itself to play is spacing for hay mover 100
Effect, when safety guard 140 is mutually conflicted with housing 120, thus limits both relative displacements.
In the present embodiment, housing 120 is provided with distance detection device, this distance detection device with
Control device to connect, when distance detection device receives and represents the close information of safety guard 140, this control
Device processed controls driving means and moves hay mover 100.This distance detection device includes sensor, and this sensor sets
Being placed on the outer wall in housing 120 front, the most as required, the amount of sensor can arrange multiple, its position
Can also be arranged on the rear of housing 120 or the outer wall on left side or right side.These sensors can be distance
Sensor, when safety guard 140 is less than, from the distance of range sensor, the threshold value preset, sensor sends
Information, controller controls driving means, makes hay mover 100 move and turn to.This distance detection device is all right
Including buffer, sensor and buffer collaborative work；When buffer knocks safety guard 140, by passing
Sensor carries out record, and thus, buffer and sensor play safety guard 140 and housing 120 relative displacement
The effect of amount detection.Sensor sends information, and controller controls driving means, makes hay mover 100 move and turns
To.Certainly, distance detection device can also be the device of other distance detections.
In the present embodiment, the quantity of wheel 160 can be three, and three wheels include being positioned at housing
The single front-wheel in 120 fronts, and it is positioned at the trailing wheel of the pair of parallel setting at housing 120 rear, pair of rear wheels
Connecting below housing 120 by the wheel shaft being supported on housing 120, in present embodiment, pair of rear wheels is arranged
For driving wheel, front-wheel is then arranged to support wheel, i.e. driven pulley.Hay mover 100 by these three wheel in
Ground stably moves.Certainly, those skilled in the art can also be by a pair driving in three wheels
Wheel replaces with front-wheel, and single support wheel replaces with trailing wheel.The quantity of wheel 160 can also be four, four
Wheel includes a pair front-wheel being positioned at housing 120 front, and is positioned at the pair of parallel of housing 120 rear
The trailing wheel arranged, pair of rear wheels connects below housing 120 by the wheel shaft being supported on housing 120, this reality
Executing pair of rear wheels in mode and be set to driving wheel, front-wheel is then arranged to universal wheel.Certainly, art technology
A pair front-wheel can also be connected below housing 120 by the wheel shaft being supported on housing 120, by front by personnel
Wheel is set to driving wheel, and pair of rear wheels is set to universal wheel.Certainly, the quantity of wheel 160 can basis
Practical situation is arranged, and the position of driving wheel and quantity can also be arranged according to practical situation.
Refer to Fig. 3 or Fig. 5, in the present embodiment, the outside of wheel 160 is provided with boss 161, should
Boss 161 protrudes towards outside.Arrange on wheel 160 boss 161 can effectively prevent operator or its
He personnel be not intended to stretch into hay mover 100 internal time, this boss 161 can conflict the hands stretched into or foot etc., from
And further promote safety.
DC source installed in housing 120 by hay mover 100, generally presented in battery bag, such as
The (not shown)s such as lead-acid battery, nickel-cadmium cell, lithium battery can be used.
Cutter sweep 180 includes rotating disk 181, is pivotally connected to multiple blades 182, Yi Jiyong of rotating disk 181
Driving motor 183 in the cutting driving rotating disk 181 to rotate, rotating disk 181 is connected to cutting without relative rotation and drives
In the motor shaft of dynamic motor 183.Its turntable 181 is arranged to discoid, and blade 182 at least includes
Two diametrically arrange blade 182 along rotating disk 181, it is also possible to circumferentially equidistant many from arranging along rotating disk 181
Individual blade 182.
Please continue to refer to Fig. 1 and Fig. 2, in the present embodiment, the lower section along safety guard 140 periphery sets
Being equipped with preventer 190, preventer 190 is the block piece that metal or plastics etc. can be had to make.Protection dress
Put and suitable spacing and ground clearance are set between 190, stop that the foot of operator puts in hay mover 100
Lower section, cause unnecessary injury.Certainly, preventer 190 can also be arranged on housing 120,
Or all can arrange on both.In the present embodiment, in order to meet safety standard, preventer 190
With the rise on ground from for 30 millimeters.Below by way of two specific embodiments, preventer 190 is described.
Refer to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 are the knot of the different angles of the hay mover 100 of an embodiment
Structure schematic diagram, preventer 190 includes roller 191, rotating shaft 192, the two ends of rotating shaft 192 and safety guard
140 connect, and rotating shaft 192 can also be arranged on housing 120, and rotating shaft 192 wears roller 191, roller 191
Can rotate around rotating shaft 192.In the present embodiment, roller 191 includes multiple radially outward
The blocking teeth 193 of radiation, these blocking teeths 193 extend to axial direction, are formed at the rolling that axial length is longer
Wheel so that play protective action in wider scope.Roller 191 can be along with the relative shell of safety guard 140
Body 120 is subjected to displacement and changes, in the present embodiment, to roller 191 periphery with the distance on ground
The distance the highest with ground is 30 millimeters.After being provided with roller 191, rotating shaft 192 etc. on hay mover 100,
When operator or other people hands, foot etc. touch blocking teeth 193, and roller 191 can rotate, these resistances
Gear tooth 193 can stop that hands, foot etc. are near blade 182 further.Certainly, rotating shaft 192 can be arranged
The roller 191 that multiple axial lengths are shorter, can arrange suitable distance between these rollers 191 so that hands,
Foot is difficult to stretch into the bottom of hay mover 100.Roller 191 can also be the roller of other forms, such as outer surface
For the roller etc. of curved surface, as long as these rollers can keep suitable distance with ground, stop that hands, foot etc. enter
One step stretches into the bottom of hay mover 100.It is the mowing of another embodiment referring now to Fig. 5, Fig. 5
The structural representation of machine 100.Periphery below safety guard 140 is provided with several gussets 194, these muscle
Plate 194 can also be arranged on the lower section of housing 120, and gusset 194 can be made up of metal or plastics etc.
Block piece.Gusset 194 can be the block piece of a wider width, with in wider scope stop hands,
Feet etc. stretch into the bottom of hay mover 100.In the present embodiment, preventer 190 includes at least two
Individual gusset 194, arranges suitable spacing and ground clearance between these gussets 194, stops operator's
Hands, foot put in the lower section of hay mover 100, cause unnecessary injury.In the present embodiment, gusset 194
Between spacing be 40 millimeters to the maximum, and, when there is relative displacement in safety guard 140 and housing 120,
The rise on gusset 194 and ground is from for 35 millimeters, to meet safety, so that foot, finger or virgin arm
Contact with blade 182 etc. in being difficult to stretch into hay mover 100.
Certainly it will be appreciated by persons skilled in the art that hay mover can also be for walking and passive walking automatically
Combining, this hay mover also includes clutch, clutch connect the wheel 160 as driving wheel with
Driving means, clutch electrically connects with controlling device.The two ends of clutch connect respectively driving shaft and from
Moving axis, controls device and can control clutch.When hay mover needs passive walking, control device and control
Clutch so that clutch separates, and such wheel 160 is not driven mechanism controls, it is possible to achieve quilt
Dynamic walking.Certainly, hay mover can also be the hay mover of passive walking, and this hay mover does not include driving
Device and control device, the safety guard of this hay mover is provided with handrail, and this handrail grips for operator,
The hay mover power with walking is given in the way of artificial.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. a hay mover, for walking on the ground and mowing, including:
Housing；
There is the safety guard of front-end and back-end, be arranged on outside described housing；
Connector, connects described housing and described safety guard so that the most described housing of described safety guard
It is in primary importance；
Wheel, supports described housing；
Having the cutter sweep of blade, be arranged at below described housing, rotating blade performs cutting operation；
It is characterized in that, the first end of described connector and the second end be movably connected with described safety guard and
Described housing, described safety guard is by after External Force Acting, relative for fixed point with the first end of described connector
Described primary importance offsets, occur skew described safety guard foremost with the cutting of described blade
The minimum range foremost of track is not more than 60 millimeters.
Hay mover the most according to claim 1, it is characterised in that the described safety guard of skew occurs
Foremost with the ultimate range foremost of the cutting track of described blade more than 100 millimeters.
Hay mover the most according to claim 1, it is characterised in that the described safety guard of skew occurs
Foremost and described blade cutting track minimum range foremost and ultimate range between difference big
In 30 millimeters.
Hay mover the most according to claim 1, it is characterised in that set on the front end of described safety guard
It is equipped with boundary line sensor.
Hay mover the most according to claim 4, it is characterised in that be in described peace during primary importance
Full guard shield foremost with the cutting track of blade distance foremost more than 60 millimeters.
Hay mover the most according to claim 1, it is characterised in that described safety guard is or/and described shell
Body arranges stopping means, and described stopping means is relative in order to limit between described safety guard and described housing
Displacement.
Hay mover the most according to claim 1, it is characterised in that described safety guard foremost with
The cutting track of described blade minimum range foremost is not more than 30 millimeters.
Hay mover the most according to claim 1, it is characterised in that described connector is extension spring, described
The two ends of extension spring connect described safety guard and described housing respectively.
Hay mover the most according to claim 1, it is characterised in that the outside of described wheel is provided with convex
Platform, described boss protrudes towards outside.
Hay mover the most according to claim 1, it is characterised in that described hay mover also includes distance
Detection device, driving means and control unit, described distance detection device, described driving means respectively with institute
Stating control device to connect, described distance detection device is arranged on described housing or/and on described safety guard, institute
State distance detection device in order to detect the distance between described housing and described safety guard, when described apart from little
When threshold value, described control device controls described driving means and rotates described hay mover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/073618 WO2016131399A1 (en) | 2015-02-16 | 2016-02-05 | Automatic walking device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015100851639 | 2015-02-17 | ||
| CN201510085163 | 2015-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105875063A true CN105875063A (en) | 2016-08-24 |
| CN105875063B CN105875063B (en) | 2019-02-19 |
Family
ID=57002845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510830749.3A Active CN105875063B (en) | 2015-02-16 | 2015-11-25 | Grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105875063B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107711081A (en) * | 2017-11-15 | 2018-02-23 | 苏州科瓴精密机械科技有限公司 | Robot and hay mover |
| WO2018133758A1 (en) * | 2017-01-19 | 2018-07-26 | 苏州科瓴精密机械科技有限公司 | Robotic lawn mower |
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| EP3987914A4 (en) * | 2019-06-18 | 2023-01-04 | Positec Power Tools (Suzhou) Co., Ltd | Automatic lawn mower |
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| EP3987914A4 (en) * | 2019-06-18 | 2023-01-04 | Positec Power Tools (Suzhou) Co., Ltd | Automatic lawn mower |
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