CN108464105A - A kind of cutting speed adjustable safety mowing apparatus - Google Patents
A kind of cutting speed adjustable safety mowing apparatus Download PDFInfo
- Publication number
- CN108464105A CN108464105A CN201810284583.3A CN201810284583A CN108464105A CN 108464105 A CN108464105 A CN 108464105A CN 201810284583 A CN201810284583 A CN 201810284583A CN 108464105 A CN108464105 A CN 108464105A
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- China
- Prior art keywords
- shaft
- power
- knife net
- transmission
- jackshaft
- 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
- 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
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
- A01D34/46—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator
- A01D34/47—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator with motor driven cutters or wheels
- A01D34/475—Driving mechanisms
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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
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
- A01D34/52—Cutting apparatus
- A01D34/53—Helically shaped cutting members
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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
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
- A01D34/62—Other details
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
- A01D43/077—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material with auxiliary means, e.g. fans, for transporting the mown crop
Abstract
The present invention provides a kind of cutting speed adjustable safety mowing apparatus, including supporting rack, power plant, power transmission, cutting mechanism, the supporting rack can be divided into three parts and respectively handle, interconnecting piece, mounting portion, the handle holds convenient for staff, the power plant, power transmission, cutting mechanism is mounted on mounting portion, the interconnecting piece is used for being fixedly connected between handle and mounting portion, the power plant is used to provide cutting power for cutting mechanism, the power transmission is used to receive the power of power plant generation and power is transferred to cutting mechanism, the cutting mechanism cuts weeds under power effect.
Description
Technical field
The present invention relates to a kind of mowing apparatus.
Background technology
With lawn, the rapid emergence of greening industry, China starts storage power transformation and uses various grass trimmers, existing grass trimmer
It is big to mostly use backpack, walking need to be born during use by operating personnel, pruning modes, the back of the body are carried out to lawn, green plant simultaneously
Negative grass trimmer not only increases the labor intensity of operating personnel, and influences flexible manipulation of the operating personnel to grass trimmer, especially
Be when trimming supreme hollow uneven greenbelt, easily cause to lawn, it is green plant the irregular of trimming, influence the whole of greenbelt
Body is beautiful, and the cutter of this cutting machine is mostly to face type directly, cannot be focused on to the weeds after chopping, increase work
Make the labor intensity that personnel subsequently clear up weeds.
Invention content
To solve the deficiencies in the prior art, the object of the present invention is to provide a kind of safe grass trimmers.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
A kind of cutting speed adjustable safety mowing apparatus, including supporting rack, power plant, power transmission, cutting
Mechanism, the power plant, power transmission, cutting mechanism are mounted on supporting rack, and the power plant is for being
Cutting mechanism provides cutting power, and the power transmission is used to receive the power of power plant generation and transmits power
To cutting mechanism, the cutting mechanism cuts weeds under power effect；
The cutting mechanism includes knife net, cutter, and the knife net is arranged horizontally and both ends open and periphery are in net
The tube structure of shape, the cutter are set in knife net, and the power plant includes engine, jackshaft, jackshaft
It is axially parallel to the axial direction of knife net, the engine is fixedly installed in supporting rack, is set between the jackshaft and engine
It is equipped with shaft coupling, the power output end of the engine and the power intake of shaft coupling connect, the power input of jackshaft
End is connect with the power output end of shaft coupling, and engine rotation simultaneously draws jackshaft synchronous rotation by shaft coupling；
The power transmission includes cutter power transmission, knife net power transmission, and the cutter power passes
Delivery device, knife net power transmission with intermediate axis connection, and cutter power transmission receive jackshaft rotation generate
Power and be passed to cutter, knife net power transmission receive jackshaft rotation generate power simultaneously be passed to knife
Net；
The knife net power transmission includes gear transmission mechanism b, and the gear transmission mechanism b includes shaft, described
Shaft the axial direction for being axially parallel to knife net, shaft is divided into two sections and respectively shaft a, shaft b, the power of shaft a are defeated
Outlet is provided with turn hole, and the power intake of shaft b is coaxially arranged with connecting shaft and connecting shaft pivot bush unit is in turn hole, turns
It is flexibly connected by the cooperation of turn hole, connecting shaft between axis a and shaft b, is also set up between the shaft a and shaft b
It is useful for the clutch of cut-out or the combination of power between the two, the clutch includes clutch, on-off control mechanism,
The state of the clutch be divided into make power is combined between shaft a and shaft b bonding state, make shaft a and shaft b it
Between power cut dissengaged positions, the on-off control mechanism is for making clutch between bonding state and dissengaged positions
It switches over.
As being further improved for the technical program.
Above-mentioned cutting mechanism further includes drive hubs, driven wheel hub, turntable, is set between the turntable and drive hubs
It is equipped with fastener and installation is fixed by fastener in the two, end face of the turntable far from drive hubs is coaxially arranged with turntable
Line shaft, one end of the knife net is fixedly sheathed in drive hubs, the other end is fixedly sheathed in driven wheel hub, and turntable turns
Drive hubs, knife net, driven wheel hub is moved and draws to rotate synchronously；
Connecting plate is additionally provided between the cutting mechanism and supporting rack, one end of the connecting plate is fixedly installed in support
Frame, the other end are provided with perforating, and connecting plate is used for the connection between cutting mechanism and mounting portion, the turntable line shaft
Power intake passes through the perforating of connecting plate and the two to constitute pivot bush unit cooperation.
As being further improved for the technical program.
Above-mentioned gear transmission mechanism b further includes driving gear b, driven gear b, and the driving gear b is fixedly attached
Outside the power output end of jackshaft, the driven gear b is fixedly sheathed in outside the power intake of shaft a and driven
Gear b is engaged with driving gear b and the transmission ratio between driving gear b and driven gear b is more than 1, and jackshaft rotates and leads to
Driving gear b and driven gear b traction shafts a is crossed to rotate synchronously；
The knife net power transmission further includes tape handler b, the tape handler b include driving pulley b, from
Movable belt pulley b, transmission belt b, the driving pulley b are fixedly sheathed in the power output end of shaft b, and the driven pulley b is solid
Surely it is socketed on outside turntable line shaft, transmission, shaft a is attached by transmission belt b between driving pulley b and driven pulley b
It rotates and shaft b is drawn by clutch and rotate synchronously, shaft b rotations are simultaneously same by tape handler b traction turntable line shafts
Step rotation.
The advantageous effect of the present invention compared with prior art is that the grass trimmer is hand propelled, and hand-push type mower is lightly clever
Living, automatically walk after only needing staff hand steered is easy to operate, work efficiency is high, while the cutter of the grass trimmer is cut for spiral
Knife can focus on the weeds after cutting, facilitate the follow-up cleaning of staff.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the present invention
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the present invention.
Fig. 3 is the cooperation figure of the cutting mechanism and supporting rack of the present invention.
Fig. 4 is the structural schematic diagram of the cutting mechanism of the present invention.
Fig. 5 is the structural schematic diagram of the cutting mechanism of the present invention.
Fig. 6 is the structural schematic diagram of the cutter power transmission of the present invention.
Fig. 7 is the structural schematic diagram of the knife net power transmission of the present invention.
Fig. 8 is the structural schematic diagram of the shaft of the present invention.
Fig. 9 is the cooperation figure of the shaft and clutch of the present invention.
Figure 10 is the cooperation figure of the shaft a and flywheel of the present invention.
Figure 11 is the cooperation figure of the friction plate a and shaft b of the present invention.
Figure 12 is the cooperation figure of the flywheel and friction plate b of the present invention.
Figure 13 is the sectional view of the buffer component of the present invention.
Figure 14 is the structural schematic diagram of the on-off control mechanism of the present invention.
Figure 15 is the structural schematic diagram of the on-off control mechanism of the present invention.
Figure 16 is the structural schematic diagram of the on-off control mechanism of the present invention.
Figure 17 is the cooperation figure of the friction member and sliding sleeve of the present invention.
Each label meaning is in figure：
100, supporting rack；110, handle；120, interconnecting piece；130, mounting portion；140, baffle；150, connecting plate；
200, power plant；210, engine；220, jackshaft；
300, cutter power transmission；
310, gear transmission mechanism a；311, transmission axle；312, driving gear a；313, driven gear a；
320, tape handler a；321, driving pulley a；322, driven pulley a；323, transmission belt a；
400, knife net power transmission；
410, gear transmission mechanism b；411, shaft；411a, shaft a；411b, shaft b；412, driving gear b；413, driven tooth
Take turns b；
420, tape handler b；421, driving pulley b；422, driven pulley b；423, transmission belt b；
430, clutch；431, flywheel；432, friction plate a；433, friction plate b；434, telophragma；435, buffer spring；
440, on-off control mechanism；441, bracing wire；442, pull rod；443, cut spring；444, shift fork；444a, linkage section；
444b, pressing section；445, sliding sleeve；
500, cutting mechanism；510, knife net；520, cutter；521, screw blade；522, cutter line shaft；523, fixing bracket；
530, drive hubs；540, turntable；541, turntable line shaft；550, driven wheel hub.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1-17, a kind of cutting speed adjustable safety mowing apparatus, including supporting rack 100, power plant
200, power transmission, cutting mechanism 500, the power plant 200, power transmission, cutting mechanism 500 are respectively mounted
In supporting rack 100, the power plant 200 is used to provide cutting power, the power transmission for cutting mechanism 500
Power is simultaneously transferred to cutting mechanism 500 by power for receiving the generation of power plant 200, and the cutting mechanism 500 is dynamic
Weeds are cut under force effect.
The supporting rack 100 can be divided into three parts and respectively handle 110, interconnecting piece 120, mounting portion 130, described
Handle 110 convenient for staff hold, the power plant 200, power transmission, cutting mechanism 500 are mounted on
Mounting portion 130, the interconnecting piece 120 are used for being fixedly connected between handle 110 and mounting portion 130.
As in Figure 3-5, above-mentioned cutting mechanism 500 includes knife net 510, cutter 520, and the knife net 510 is level
Arrangement and both ends open and periphery are in netted tube structure, and the cutter 520 includes the spiral of structure in the shape of a spiral
Blade 521 is fixedly connected and coaxially arranged cutter line shaft 522, the cutter 520 are located at knife net with screw blade 521
In 510, specifically, the coaxial arrangement of screw blade 521, in 510 inner cavity of knife net, cutter line shaft 522 stretches out knife net 510.
The cutting mechanism 500 further includes drive hubs 530, turntable 540, the turntable 540 and drive hubs 530
Between be provided with fastener and installation is fixed by fastener in the two, end face of the turntable 540 far from drive hubs 530 is same
Axis is provided with turntable line shaft 541, and turntable 540 is provided through at the end face center position of drive hubs 530 and turns
One end of the through-hole of 541 length of disk 540 and turntable line shaft, the knife net 510 is fixedly sheathed in drive hubs 530 and cuts
The power intake of knife line shaft 522 constitutes pivot bush unit cooperation across through-hole and cutter line shaft 522 and through-hole,
Turntable 540 rotates and draws drive hubs 530, knife net 510 rotates synchronously.
The cutting mechanism 500 further includes driven wheel hub 550, the other end of the knife net 510 be fixedly sheathed in from
In runner hub 550, knife net 510 rotates and draws the synchronous rotation of driven wheel hub 550, and the power of the cutter line shaft 522 is defeated
Fixing bracket 523 is provided between outlet and knife net 510, specifically, the fixing bracket 523 includes the set of structure in a ring
Ring, lantern ring pivot bush unit are provided with connecting rod outside the power output end of cutter line shaft 522 between lantern ring and knife net 510,
One end of connecting rod is fixedly connected with lantern ring, the other end is fixedly connected with the inner cavity cavity wall of knife net 510.
It is additionally provided with connecting plate 150 between the cutting mechanism 500 and mounting portion 130, the one of the connecting plate 150
End is fixedly installed in mounting portion 130, the other end is provided with perforating, and connecting plate 150 is for cutting mechanism 500 and mounting portion 130
Between connection, specifically, the connecting plate 150 is provided with two pieces and two pieces of connecting plates 150 are located at knife net 510
The power intake of one end, the turntable line shaft 541 passes through the perforating of a connecting plate 150 and the two constitutes movable sleeve
Cooperation is connect, the power output end of the cutter line shaft 522 passes through the perforating of another connecting plate 150 and the two to constitute and lives
Dynamic socket cooperation；The course of work of cutting mechanism 500, is embodied in：The power transmission is for receiving power dress
It sets the power of 200 generations and power is transferred to knife net 510, cutter 520, due to being constituted between cutter line shaft 522 and through-hole
Pivot bush unit coordinates so that the rotation between knife net 510 and cutter 520 is independent of each other and is deposited between knife net 510 and cutter 520
There are speed discrepancy, weeds to be cleaned under the cooperation of cutter 520 in knife net 510, simultaneously as the blade of cutter 520 is spiral
Blade 521, weeds are moved to the power output end location of cutter line shaft 522 along the knife face of screw blade 521 after being cleaned
Domain, weeds are centrally located, and are convenient for the follow-up cleaning of staff.
More optimize, when cutting mechanism 500 clears up weeds in order to prevent, weeds fly out outward under the action of the centrifugal force
And staff/fall into power plant 200 and impacted to power plant 200 is interfered, the cutting mechanism 500 and installation
Baffle 140 is provided between portion 130, specifically, the baffle 140 in arc-shaped plate body structure and bending direction towards knife
Net 510, is provided with connector between baffle 140 and mounting portion 130 and baffle 140 is fixedly installed in mounting portion by connector
130。
As shown in Fig. 2,6-7, above-mentioned power plant 200 includes engine 210, jackshaft 220, the axis of jackshaft 220
To the axial direction for being parallel to knife net 510, the engine 210 is fixedly installed in mounting portion 130, the jackshaft 220 and hair
It is provided with shaft coupling between motivation 210, it is preferred that the shaft coupling is gimbal coupling, and the engine 210 moves
The power intake of power output end and shaft coupling connects, and the power intake of jackshaft 220 and the power output end of shaft coupling connect
It connects, the rotation of engine 210 simultaneously draws the synchronous rotation of jackshaft 220 by shaft coupling.
Installation shell is further fixedly arranged on the mounting portion 130, it is outer that the jackshaft 220 is movably installed in installation
In shell and jackshaft 220 can be around own axis.
As shown in Fig. 2, above-mentioned power transmission includes cutter power transmission 300, knife net power transmission
400, the cutter power transmission 300, knife net power transmission 400 are connect with jackshaft 220, and cutter is dynamic
Force transfering device 300 receives the power that the rotation of jackshaft 220 generates and is passed to cutter 520, knife net power transmission
The power of the 400 reception rotation generations of jackshaft 220 is simultaneously passed to knife net 510.
As shown in fig. 6, above-mentioned cutter power transmission 300 includes gear transmission mechanism a310, the gear passes
It includes transmission axle 311, driving gear a312, driven gear a313 to pass mechanism a310, and the transmission axle 311 is axially parallel to
The axial direction of jackshaft 220, transmission axle 311 is movably installed in installation shell and transmission axle 311 can be described around own axis
Driving gear a312 be fixedly sheathed in outside the power output end of jackshaft 220, the driven gear a313 is fixedly attached
Outside the power intake of transmission axle 311 and driven gear a313 is engaged with driving gear a312 and driving gear a312
Transmission ratio between driven gear a313 is less than 1, and jackshaft 220 rotates and passes through driving gear a312 and driven gear a313
Transmission axle 311 is drawn to rotate synchronously.
The cutter power transmission 300 further includes tape handler a320, the tape handler a320 packets
Include driving pulley a321, driven pulley a322, transmission belt a323, the driving pulley a321 are fixedly sheathed in transmission axle 311
Power output end, the driven pulley a322 is fixedly sheathed in outside the power intake of cutter line shaft 522, main belt
Transmission is attached by transmission belt a323 between wheel a321 and driven pulley a322, transmission axle 311 rotates and passes through V belt translation
Mechanism a320 draws cutter line shaft 522 and rotates synchronously, and then screw blade 521 is driven to rotate synchronously.
As shown in Fig. 7-17, above-mentioned knife net power transmission 400 includes gear transmission mechanism b410, the gear
Transmission mechanism b410 includes shaft 411, driving gear b412, driven gear b413, in being axially parallel to of the shaft 411
The axial direction of countershaft 220, shaft 411 is movably installed in installation shell and shaft 411 can divide around own axis, shaft 411
For two sections and respectively shaft a411a, shaft b411b turn specifically, the power output end of shaft a411a is provided with turn hole
The power intake of axis b411b is coaxially arranged with connecting shaft and connecting shaft pivot bush unit is in turn hole, shaft a411a and shaft
It is flexibly connected by the cooperation of turn hole, connecting shaft between b411b, is also set between the shaft a411a and shaft b411b
It is equipped with the clutch of cut-out or the combination for power between the two.
The driving gear b412 is fixedly sheathed in outside the power output end of jackshaft 220, the driven gear
B413 is fixedly sheathed in outside the power intake of shaft a411a and driven gear b413 is engaged with driving gear b412 and
Transmission ratio between driving gear b412 and driven gear b413 is more than 1, the rotation of jackshaft 220 and by driving gear b412 with
Driven gear b413 traction shafts a411a is rotated synchronously.
The knife net power transmission 400 further includes tape handler b420, the tape handler b420 packets
Include driving pulley b421, driven pulley b422, transmission belt b423, the driving pulley b421 are fixedly sheathed in shaft b411b
Power output end, the driven pulley b422 is fixedly sheathed in outside turntable line shaft 541, driving pulley b421 with it is driven
Transmission is attached by transmission belt b423 between belt wheel b422, shaft a411a rotations simultaneously draw shaft b411b by clutch
It rotates synchronously, shaft b411b rotations simultaneously draw 541 synchronous rotation of turntable line shaft by tape handler b420, to drive
Drive hubs 530, knife net 510 rotate synchronously.
As shown in Fig. 2,7, above-mentioned clutch includes clutch 430, on-off control mechanism 440, the clutch
The state of structure 430, which is divided into, to be made power is combined between shaft a411a and shaft b411b bonding state, makes shaft a411a and shaft
The dissengaged positions of power cut between b411b, the on-off control mechanism 440 is for making clutch 430 in bonding state
It is switched between dissengaged positions.
As shown in figures 8-13, above-mentioned clutch 430 includes flywheel 431, friction member, and the flywheel 431 is one
End seal closes, the tube structure of another end opening, and the blind end of flywheel 431 is coaxially arranged with connecting hole, the flywheel 431 with turn
It is provided with fixing piece between the power output end of axis a411a and flywheel 431 is coaxially fixedly sheathed in shaft a411a by fixing piece
Power output end outside and flywheel 431 opening towards shaft b411b, specifically, the fixing piece includes being set to
The external splines of shaft a411a power output ends, be set in the connecting hole of 431 blind end of flywheel and match with external splines in
Spline, shaft a411a are rotated and are drawn the synchronous rotation of flywheel 431.
The friction member is located in flywheel 431, and friction member includes friction plate a432, friction plate b433, friction plate
A432 and friction plate b433 structures annular in shape and friction plate a432 is close close to blind end, the friction plate b433 of flywheel 431
The open end of flywheel 431 is connected between the friction plate a432 and shaft b411b by linkage part, and friction plate
When a432 is axially displaced along shaft b411b, friction plate a432 can be continued dynamic to shaft b411b outputs by linkage part
Power, specifically, the linkage part is the internal spline for being set to friction plate a432 inner rings, is set to shaft b411b peripheries
External splines, and the inner cavity cavity wall composition of the outer ring of friction plate a432 and flywheel 431 is slidably matched.
The friction plate b433 is connect with flywheel 431 by linked component, and friction plate b433 is axial along flywheel 431
When being subjected to displacement, flywheel 431 can continue to export power to friction plate b433 by linked component, specifically, the gearing group
Part includes the external splines for being set to the outer rings friction plate b433, is set to the internal spline of 431 inner cavity cavity wall of flywheel, and friction plate
The inner ring of b433 and the periphery composition of shaft b411b are slidably matched；The course of work of clutch 430, is embodied in：It is logical
It crosses on-off control mechanism 440 and thrust of the direction towards friction plate a432 is applied to friction plate b433, friction plate b433 is being pushed away
It is closely contradicted with friction plate a432 under force effect and generates static friction torque between the two, clutch 430 is in knot at this time
Conjunction state, shaft a411a are rotated and are drawn the synchronous rotation of flywheel 431, and flywheel 431 rotates and passes through friction plate a432, friction plate
B433 draws shaft b411b and rotates synchronously, to drive drive hubs 530, knife net 510 to rotate synchronously；It cancels clutch and manipulates machine
The thrust that structure 440 applies friction plate b433, static friction torque between friction plate a432, friction plate b433 disappear, at this time from
It closes mechanism 430 and is in dissengaged positions, drive hubs 530 and knife net 510 stop operating.
More optimize, more preferably for the power transmission effect between shaft a411a and shaft b411b, the friction
Component is provided with several groups.
When applying thrust of the direction towards friction plate a432 to friction plate b433 by on-off control mechanism 440, if
Thrust applies excessive/thrust moment application and finishes, and can be damaged to clutch 430, to avoid the generation of this case, institute
The clutch 430 stated further includes buffer component.
As shown in figure 13, above-mentioned buffer component includes telophragma 434, buffer spring 435, and connecting hole direction turns
The aperture of axis b411b is provided with the fixing axle extended towards the directions shaft b411b, and the telophragma 434 is ring mechanism, in
It is connected by moving part between disk 434 and fixing axle, and when telophragma 434 is axially displaced along fixing axle, fixing axle
Continue to export power to telophragma 434, specifically, the moving part includes the external splines for being set to fixing axle periphery, sets
It is placed in the internal spline of 434 inner ring of telophragma, and the outer ring of telophragma 434 and the inner cavity cavity wall composition of flywheel 431 are slidably matched,
The buffer spring 434 be provided with several and several buffer spring 434 along telophragma 434 circumferencial direction in uniform
It is spaced apart, one end of buffer spring 434 is connect with the inner cavity bottom of chamber of flywheel 431, the other end and telophragma 434 connect, buffering
The elastic force of spring 434 makes telophragma 434 do the movement close to 431 open end of flywheel；The course of work of buffer component, specific table
It is now：By on-off control mechanism 440 to friction plate b433 apply a direction towards friction plate a432 thrust during,
It is in relative static conditions between friction member, telophragma 434, flywheel 431, thrust pushes friction plate b433 and friction plate a432 tight
When close conflict, friction plate a432 can make telophragma 434 do the movement close to 431 blind end of flywheel, and buffer spring 435 is in compression
State and the movement for hindering telophragma 434, to make the conflict between friction plate a432 and friction plate b433 have a buffering course,
It avoids damaging clutch 430.
As shown in figures 14-17, above-mentioned on-off control mechanism 440 includes control member, pushing member, the promotion structure
Part is used to apply thrust to friction plate b433, and the control member applies/removes to friction plate b433 for controlling pushing member
Sell thrust.
The clutch further includes clutch shell, and the clutch shell is fixedly installed in installation shell, clutch shell
Body, which is one end open, the closed shell structure of the other end and open end Matching installation, has clutch end cap, the clutch end cap to set
It is equipped with push hole, the clutch 430 is set in clutch shell, specifically, the blind end setting of the clutch shell
There is perforation, the power output end of the shaft a411a, which passes through, to be perforated and be located in clutch shell, and the power of shaft b411b is defeated
Enter end across push hole and is located in clutch shell and is connect with the power output end of shaft a411a.
As shown in figures 14-17, above-mentioned pushing member includes shift fork 444, sliding sleeve 445, the periphery of the sliding sleeve 445
Be provided with mounting groove, 445 pivot bush unit of sliding sleeve outside shaft b411b, specifically, one end of the sliding sleeve 445 be located at from
It closes the push hole that shell is outer, the other end is for promote-side and across clutch end cap and is located in clutch shell, promote-side and friction plate
B433 is fixedly connected.
The shift fork 444 divides for two parts and respectively linkage section 444a, pressing section 444b, the pressing section
444b is U-shaped structure, specifically, pressing section 444b include arc-shaped structure and towards the horizon bar of shaft b411b bending, be set to
Horizon bar both ends and the vertical bar extended downwardly, the intrados of horizon bar are contacted with the mounting groove slot bottom of sliding sleeve 445, vertical bar
The hole wall of free end and the push hole of clutch end cap is hinged and is hinged axial direction of the shaft core line perpendicular to shaft b411b, the company
The one end for meeting section 444a is fixedly connected with horizon bar, the other end is provided with hinged protrusion, is between linkage section 444a and horizon bar
It is in tilted layout and the distance between linkage section 444a and horizon bar is directed toward shaft b411b's by shaft a411a in the horizontal direction
Direction is incremented by.
As shown in figs. 14-15, above-mentioned installation shell is located at the face of the top of shaft 411 and is provided with leading for guide hole and guide hole
To the axial direction for being parallel to shaft 411, the control member includes bracing wire 441, pull rod 442, cut spring 443, the drawing
The hinged protrusion of one end of bar 442 and linkage section 444a are hinged and are hinged shaft core line perpendicular to the axial, another of shaft b411b
End is located in guide hole, and the cut spring 443 is socketed on outside pull rod 422, and pull rod 422 is provided with external close to hinged place
Rank, one end of cut spring 443 is contradicted with external step, the other end is contradicted with installation shell, and the elastic force of cut spring 443 makes drawing
Bar 442 does the movement close to shaft 411, and the bracing wire 441 is fixedly connected with pull rod 442；The work of on-off control mechanism 440
Process is embodied in：It pulls bracing wire 441 and makes pull rod 442 along the guiding movement of guide hole, cut spring 443 is in compression shape
State makes since pull rod 442 and linkage section 444a are hinged, it is hinged with the push hole hole wall of clutch end cap to press the vertical bar of section 444b
The horizon bar that section 444b must be pressed does movement close to friction member so that sliding sleeve 445 done with movable friction plate b443 it is close
The movement of friction plate a442, clutch 430 are in bonding state；Bracing wire 441 is unclamped, the elastic force of cut spring 443 makes pull rod
442 restPose so that the horizon bar of pressing section 444b does the movement far from friction member, so that 445 band of sliding sleeve
Movable friction plate b443 does the movement far from friction plate a442, and clutch 430 is in dissengaged positions.
More optimize, the control for the ease of staff to on-off control mechanism 440, the bracing wire 441 from
Handle 110 is set to by end, and the free end of bracing wire 441 is provided with the clutch hand for controlling 441 pullings of bracing wire/release
Handle.
When grass trimmer works, engine 210 brings into operation and drives jackshaft 220 to rotate synchronously by shaft coupling, intermediate
Axis 220 rotates and draws transmission axle 311 by driving gear a312 and driven gear a313 and rotates synchronously, and transmission axle 311 rotates
And cutter line shaft 522 is drawn by tape handler a320 and is rotated synchronously, and then screw blade 521 is driven to rotate synchronously.
It pulls bracing wire 441 and makes pull rod 442 along the guiding movement of guide hole, cut spring 443 is in compressive state, due to drawing
Bar 442 and linkage section 444a is hinged, the vertical bar of pressing section 444b is hinged with the push hole hole wall of clutch end cap so that pressing section
The horizon bar of 444b does the movement close to friction member, so that sliding sleeve 445 is done with movable friction plate b443 close to friction plate
The movement of a442, friction plate b433 and friction plate a432 are closely contradicted and are generated static friction torque between the two, clutch at this time
Mechanism 430 is in bonding state, and the rotation of jackshaft 220 simultaneously draws shaft by driving gear b412 and driven gear b413
A411a rotate synchronously, shaft a411a rotate and draw flywheel 431 synchronous rotation, flywheel 431 rotate and by friction plate a432,
Friction plate b433 traction shaft b411b is rotated synchronously, to drive drive hubs 530, knife net 510 to rotate synchronously, knife net 510 with
There are speed discrepancies between screw blade 521, and weeds are cleaned in knife net 510 under the cooperation of cutter 520, simultaneously as cutting
The blade of knife 520 is screw blade 521, and weeds along the knife face of screw blade 521 are moved to cutter line shaft 522 after being cleaned
Power output end region, weeds are centrally located, and are convenient for the follow-up cleaning of staff.
After weeds clean out, bracing wire 441 is unclamped, the elastic force of cut spring 443 makes pull rod 442 restPose, makes
The horizon bar that section 444b must be pressed does the movement far from friction member so that sliding sleeve 445 done with movable friction plate b443 it is separate
The movement of friction plate a442, the static friction torque between friction plate a432, friction plate b433 disappear, and clutch 430 is in and cuts
Disconnected state, drive hubs 530 and knife net 510 stop operating, and simultaneously close off engine 210, grass trimmer is stopped.
A method of low noise trimming being carried out to the vegetation on park lawn, step is：
S1：Power plant 200 is opened, the power that power plant 200 generates is transferred to cutting mechanism 500 through power transmission,
Cutting mechanism 500 trims vegetation under power effect；The cutting mechanism 500 includes knife net 510, cutter 520, master
Runner hub 530, turntable 540, driven wheel hub 550, the knife net 510 is arranged horizontally and both ends open and periphery are in net
The tube structure of shape, the cutter 520 are fixedly connected including the screw blade 521 of structure in the shape of a spiral, with screw blade 521
And coaxially arranged cutter line shaft 522, the screw blade 521 are coaxially disposed in 510 inner cavity of knife net and cutter line shaft
522 stretch out knife nets 510, be provided with fastener between the turntable 540 and drive hubs 530 and the two by fastener into
Row is fixedly mounted, and end face of the turntable 540 far from drive hubs 530 is coaxially arranged with turntable line shaft 541, and turntable 540 leans on
The through-hole of 541 length of turntable 540 and turntable line shaft is provided through at the end face center position of nearly drive hubs 530, it is described
One end of knife net 510 be fixedly sheathed in drive hubs 530 and the power intake of cutter line shaft 522 passes through through-hole, another
One end is fixedly sheathed in driven wheel hub 550, and the power plant 200 includes engine 210, jackshaft 220, jackshaft
220 axial direction for being axially parallel to knife net 510 is provided with gimbal coupling between the jackshaft 220 and engine 210
And the two is attached transmission by gimbal coupling, and the power transmission includes cutter power transmission
300, knife net power transmission 400, the power output of the power intake and jackshaft 220 of cutter power transmission 300
End connection, the power output end of cutter power transmission 300 are connect with the power intake of cutter line shaft 522；Engine
210 rotations simultaneously draw the synchronous rotation of jackshaft 220 by gimbal coupling, and jackshaft 220, which rotates, simultaneously to be passed by cutter power
Delivery device 300 draws cutter line shaft 522 and rotates synchronously, and then screw blade 521 is driven to rotate synchronously；
S2：The knife net power transmission 400 includes gear transmission mechanism b410, tape handler b420, the tooth
It includes shaft 411, driving gear b412, driven gear b413 to take turns transmission mechanism b410, and the shaft 411 is axially parallel to
The axial direction of jackshaft 220, shaft 411 is divided to for two sections and respectively shaft a411a, shaft b411b, the power of shaft a411a
Output end is provided with turn hole, and the power intake of shaft b411b is coaxially arranged with connecting shaft and connecting shaft pivot bush unit is in turning
It in hole, is flexibly connected by the cooperation of turn hole, connecting shaft between shaft a411a and shaft b411b, the shaft
The clutch of cut-out or the combination for power between the two, the driving tooth are additionally provided between a411a and shaft b411b
Wheel b412 is fixedly sheathed in outside the power output end of jackshaft 220, and the driven gear b413 is fixedly sheathed in shaft
Outside the power intake of a411a and driven gear b413 engaged with driving gear b412 and driving gear b412 with it is driven
Transmission ratio between gear b413 is more than 1, the tape handler b420 include driving pulley b421, driven pulley b422,
Transmission belt b423, the driving pulley b421 are fixedly sheathed in the power output end of shaft b411b, the driven pulley
B422 is fixedly sheathed in outside turntable line shaft 541, passes through transmission belt b423 between driving pulley b421 and driven pulley b422
It is attached transmission, the clutch includes clutch 430, on-off control mechanism 440, the clutch 430
State be divided into make power is combined between shaft a411a and shaft b411b bonding state, make shaft a411a and shaft b411b it
Between power cut dissengaged positions, the on-off control mechanism 440 for make clutch 430 bonding state with cut-out shape
It is switched between state；Clutch 430 is set to be in bonding state by on-off control mechanism 440, jackshaft 220 rotates and leads to
It crosses driving gear b412 and driven gear b413 traction shafts a411a to rotate synchronously, shaft a411a is rotated and passed through clutch
430 traction shaft b411b are rotated synchronously, and shaft b411b rotations simultaneously draw drive hubs 530, knife by tape handler b420
Net 510 rotates synchronously, and there are speed discrepancies between knife net 510 and screw blade 521, and vegetation is in knife net 510 and screw blade 521
Cooperation under be trimmed to about, simultaneously because the structure in the shape of a spiral of screw blade 521, vegetation be trimmed to about after along screw blade 521 knife
Face is moved to the power output end region of cutter line shaft 522, and vegetation is centrally located, convenient for the follow-up clear of staff
Reason；
S3：After vegetation is trimmed, clutch 430 is set to be in dissengaged positions by on-off control mechanism 440, at this time driving wheel
Hub 530 and knife net 510 stop operating, and simultaneously close off engine 210, grass trimmer is stopped.
Specific case is applied in the present invention, and principle and implementation of the present invention are described, above example
Illustrate the method and its core concept for being merely used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (3)
1. a kind of cutting speed adjustable safety mowing apparatus, which is characterized in that it includes supporting rack, power plant, power biography
Delivery device, cutting mechanism, the power plant, power transmission, cutting mechanism are mounted on supporting rack, the power
Device is used to provide cutting power for cutting mechanism, and the power transmission is used to receive the power of power plant generation simultaneously
Power is transferred to cutting mechanism, the cutting mechanism cuts weeds under power effect；
The cutting mechanism includes knife net, cutter, and the knife net is arranged horizontally and both ends open and periphery are in net
The tube structure of shape, the cutter are set in knife net, and the power plant includes engine, jackshaft, jackshaft
It is axially parallel to the axial direction of knife net, the engine is fixedly installed in supporting rack, is set between the jackshaft and engine
It is equipped with shaft coupling, the power output end of the engine and the power intake of shaft coupling connect, the power input of jackshaft
End is connect with the power output end of shaft coupling, and engine rotation simultaneously draws jackshaft synchronous rotation by shaft coupling；
The power transmission includes cutter power transmission, knife net power transmission, and the cutter power passes
Delivery device, knife net power transmission with intermediate axis connection, and cutter power transmission receive jackshaft rotation generate
Power and be passed to cutter, knife net power transmission receive jackshaft rotation generate power simultaneously be passed to knife
Net；
The knife net power transmission includes gear transmission mechanism b, and the gear transmission mechanism b includes shaft, described
Shaft the axial direction for being axially parallel to knife net, shaft is divided into two sections and respectively shaft a, shaft b, the power of shaft a are defeated
Outlet is provided with turn hole, and the power intake of shaft b is coaxially arranged with connecting shaft and connecting shaft pivot bush unit is in turn hole, turns
It is flexibly connected by the cooperation of turn hole, connecting shaft between axis a and shaft b, is also set up between the shaft a and shaft b
It is useful for the clutch of cut-out or the combination of power between the two, the clutch includes clutch, on-off control mechanism,
The state of the clutch be divided into make power is combined between shaft a and shaft b bonding state, make shaft a and shaft b it
Between power cut dissengaged positions, the on-off control mechanism is for making clutch between bonding state and dissengaged positions
It switches over.
2. a kind of cutting speed adjustable safety mowing apparatus according to claim 1, which is characterized in that above-mentioned cutting
Mechanism further includes drive hubs, driven wheel hub, turntable, and fastener and the two are provided between the turntable and drive hubs
Installation is fixed by fastener, end face of the turntable far from drive hubs is coaxially arranged with turntable line shaft, the knife net
One end be fixedly sheathed in drive hubs, the other end is fixedly sheathed in driven wheel hub, turntable rotate and draw drive hubs,
Knife net, driven wheel hub rotate synchronously；
Connecting plate is additionally provided between the cutting mechanism and supporting rack, one end of the connecting plate is fixedly installed in support
Frame, the other end are provided with perforating, and connecting plate is used for the connection between cutting mechanism and mounting portion, the turntable line shaft
Power intake passes through the perforating of connecting plate and the two to constitute pivot bush unit cooperation.
3. a kind of cutting speed adjustable safety mowing apparatus according to claim 1 or 2, which is characterized in that above-mentioned
Gear transmission mechanism b further includes that driving gear b, driven gear b, the driving gear b are fixedly sheathed in the power of jackshaft
Outside output end, the driven gear b is fixedly sheathed in outside the power intake of shaft a and driven gear b and driving tooth
Take turns b engagements and transmission ratio between driving gear b and driven gear b be more than 1, jackshaft rotation and by driving gear b with
Driven gear b traction shafts a is rotated synchronously；
The knife net power transmission further includes tape handler b, the tape handler b include driving pulley b, from
Movable belt pulley b, transmission belt b, the driving pulley b are fixedly sheathed in the power output end of shaft b, and the driven pulley b is solid
Surely it is socketed on outside turntable line shaft, transmission, shaft a is attached by transmission belt b between driving pulley b and driven pulley b
It rotates and shaft b is drawn by clutch and rotate synchronously, shaft b rotations are simultaneously same by tape handler b traction turntable line shafts
Step rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284583.3A CN108464105B (en) | 2018-04-02 | 2018-04-02 | Safe mowing equipment with adjustable cutting speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284583.3A CN108464105B (en) | 2018-04-02 | 2018-04-02 | Safe mowing equipment with adjustable cutting speed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108464105A true CN108464105A (en) | 2018-08-31 |
| CN108464105B CN108464105B (en) | 2021-04-13 |
Family
ID=63262535
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810284583.3A Active CN108464105B (en) | 2018-04-02 | 2018-04-02 | Safe mowing equipment with adjustable cutting speed |
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| Country | Link |
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| CN (1) | CN108464105B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116235689A (en) * | 2023-05-11 | 2023-06-09 | 杭州柏尚园林设计有限公司 | Intelligent weeding device and weeding method |
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| US2695071A (en) * | 1949-07-05 | 1954-11-23 | Arleigh G Hupp | Power arm for lawn and garden implements |
| JPS5071447U (en) * | 1973-10-30 | 1975-06-24 | ||
| CN1817081A (en) * | 2003-02-11 | 2006-08-16 | 特克斯特朗有限公司 | Articulating handle for a walk-behind mower |
| CN105357952A (en) * | 2013-02-15 | 2016-02-24 | Hrm企业有限公司 | Horizontal rotary mower |
| WO2017066396A1 (en) * | 2015-10-14 | 2017-04-20 | The Toro Company | Walk reel mower |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2641889A (en) * | 1948-08-14 | 1953-06-16 | King Pneumatic Tool Company | Control means for power lawn mowers |
| US2695071A (en) * | 1949-07-05 | 1954-11-23 | Arleigh G Hupp | Power arm for lawn and garden implements |
| JPS5071447U (en) * | 1973-10-30 | 1975-06-24 | ||
| CN1817081A (en) * | 2003-02-11 | 2006-08-16 | 特克斯特朗有限公司 | Articulating handle for a walk-behind mower |
| CN105357952A (en) * | 2013-02-15 | 2016-02-24 | Hrm企业有限公司 | Horizontal rotary mower |
| WO2017066396A1 (en) * | 2015-10-14 | 2017-04-20 | The Toro Company | Walk reel mower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116235689A (en) * | 2023-05-11 | 2023-06-09 | 杭州柏尚园林设计有限公司 | Intelligent weeding device and weeding method |
| CN116235689B (en) * | 2023-05-11 | 2023-08-15 | 杭州柏尚园林设计有限公司 | Intelligent weeding device and weeding method |
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|---|---|
| CN108464105B (en) | 2021-04-13 |
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Effective date of registration: 20210324 Address after: 225300 No. 261, Renmin Middle Road, Luotang street, Jiangyan District, Taizhou City, Jiangsu Province Applicant after: Ni Weiyong Address before: 230009 School of mechanical engineering, Hefei University of technology, 193 Tunxi Road, Hefei City, Anhui Province Applicant before: Zhang Guan |
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