CN106576449A - Multi-purpose mini tiller - Google Patents
Multi-purpose mini tiller Download PDFInfo
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- CN106576449A CN106576449A CN201611265119.7A CN201611265119A CN106576449A CN 106576449 A CN106576449 A CN 106576449A CN 201611265119 A CN201611265119 A CN 201611265119A CN 106576449 A CN106576449 A CN 106576449A
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- gear
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- power transmission
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a small farming device, in particular to a multi-purpose mini tiller. The mini tiller comprises a rack, an engine, a power transmission mechanism, a rapid-detaching connecting mechanism and a steering mechanism, wherein the power transmission mechanism comprises a shell, as well as a clutch, a traveling transmission mechanism and an operation transmission mechanism which are arranged in the shell, and the rapid-detaching connecting mechanism comprises a fixed base, flange heads and a bolt. The invention aims at providing the mini tiller with multiple functions.
Description
Technical field
The present invention relates to a kind of small-sized farming equipment, specially a kind of multifunctional small tiller.
Background technology
Tiller is a kind of conventional tillage implement in current farm equipment field, substantially increases agricultural using tiller
The production efficiency of production, therefore the use of tiller is more and more extensive.Tiller includes mobile device and cultivating apparatus, wherein
The mobile device of tiller and other agricultural equipments can be that general, traditional tiller mobile device and cultivating apparatus are adopted
Connection is integrated, its mobile device is difficult to be connected use with miscellaneous equipment, can only carry out single arable land, carry out agricultural
During production, it is often necessary to which many set agricultural equipment of band could meet demand, more exchange device trouble, affect production efficiency.
The content of the invention
The invention is intended to provide a kind of tiller with several functions.
The present invention provides base case：Multifunctional small tiller, including frame, electromotor, power transmission mechanism, Quick Release company
Connection mechanism and steering mechanism, the power transmission mechanism include housing, the clutch, walking transmission mechanism in housing
With operation drive mechanism, the walking transmission mechanism and operation drive mechanism connected by Quick Release bindiny mechanism, and the walking is passed
Motivation structure includes the first power transmission shaft, second driving shaft, reversing shaft and the walking output shaft being connected with housing into rotation, and described first passes
Moving axis, second driving shaft and reversing shaft be arranged in parallel, and the walking output shaft is vertical with second driving shaft, and the clutch will be sent out
The output shaft of motivation is connected with first power transmission shaft one end；
The first power transmission shaft other end is fixedly connected with one grade of driving gear and two grades of driving gears, on the second driving shaft
The first speed driven gear for engaging with one grade of driving gear all the time is rotatably connected to, is bonded on second driving shaft and is connected to and can pass second
The gearshift tooth set slided on moving axis, gearshift tooth put and are fixed with two grades of driven gears and reverse gear driven gear, gearshift tooth set and
The opposite end of shelves driven gear is provided with mutually engageable engaging tooth；Output gear one and reverse gear master are fixed with the reversing shaft
Moving gear, output gear one are engaged with one grade of driving gear or two grades of driving gears, and reverse gear driven gear can be with reverse gear actively
Gear is engaged；
Quick Release bindiny mechanism, including fixed seat, flange head and latch, the fixed seat are provided with through hole, the end of the flange head
Portion is stretched in the through hole of fixed seat and is fixed by the latch, and also including drive mechanism and drive mechanism, drive mechanism is rotated
It is connected in fixed seat, the drive mechanism is rotatably connected in flange head, the drive mechanism and drive mechanism detachably connect
Connect, the drive mechanism connects walking transmission mechanism, the drive mechanism connects walking transmission mechanism,
Drive mechanism includes drive shaft and connection actuating sleeve on the driving shaft, and the drive mechanism includes power transmission shaft and company
The drive sleeve being connected on power transmission shaft, is equipped with the actuating sleeve and drive sleeve for the spacing of mutually circumferential spacing and cooperation
Portion.
Operation principle：The output shaft of electromotor is connected by clutch with the first power transmission shaft, and when clutch is combined, electromotor will
Drive the first drive axis.When gearshift tooth set is engaged with first speed driven gear, two grades of driven gears and two grades of driving gears take off
From engagement, then first speed driven gear will be by gearshift tooth set drive second driving shaft rotation, then output shaft of walking is with one grade of output；
When gearshift tooth set is disengaged from first speed driven gear, two grades of driven gears are engaged with two grades of driving gears, then two grades of driven tooths
Wheel will drive second driving shaft to rotate by tooth set of shifting gears, then output shaft of walking is exported with two grades；When gearshift tooth set with one grade from
Moving gear is disengaged from, and two grades of driven gears are disengaged from two grades of driving gears, then output shaft of walking is in neutral state；When
Reverse driving gear is engaged with reverse gear driven gear, then reverse gear driven gear drives second driving shaft to rotate by tooth set of shifting gears,
Output shaft of then walking is exported with reverse gear.From the foregoing, walking transmission mechanism has four gears, respectively one grade, two grades, sky
Shelves and reverse gear；One grade and two grades be drive shift, i.e. tiller using one grade or two grades work when, along the direction of travel of tiller,
Walking mechanism is in the front of Working mechanism；When tiller is worked using reverse gear, along the direction of travel of tiller, walking mechanism is being made
The rear of industry mechanism, and operator are typically located at Working mechanism side, therefore a reverse gear more at a slow speed is only set, can prevent
Only during backward, tiller walking is too fast, the cutter injury operator in Working mechanism.
Drive mechanism and driving structure are arranged to dismountable structure, and are separately mounted in flange head and fixed seat, when
When installation and removal flange head, fixed seat, drive mechanism, drive mechanism can be mounted and dismounted simultaneously, it is simple and quick,
Substantially increase the efficiency of tiller equipment replacing.Drive shaft and power transmission shaft pass through actuating sleeve and the cooperation of drive sleeve is mutual
Connection, the circumferential limiting section using actuating sleeve and drive sleeve is mutually spacing, is capable of achieving being rapidly separated for drive shaft and power transmission shaft.
Compared with prior art, the advantage of this programme is：（One）The row of tiller can be changed by walking transmission mechanism
Walk speed and direction.
（Two）Quick Release bindiny mechanism causes walking transmission mechanism and operation drive mechanism depart from.
（Three）Coordinate the walking transmission mechanism that Quick Release bindiny mechanism can enable to connect various operation drive mechanisms, for example, plough
Knife, thin film laying, fertilising, rice transplanting etc..Can be according to different work, walking transmission mechanism can adjust the speed of travel and walking side
To the practical situation for adapting to this kind of operation.
（Four）Due to this programme functional diversities, but cost is relatively low.
Scheme two：Based on scheme it is preferred, the operation drive mechanism include commutation portion, gear shift portion, reduction part and
With the operation output shaft parallel to the first power transmission shaft；The commutation portion includes that the power for being mutually perpendicular to and being connected with housing into rotation is defeated
Enter axle and power transmission shaft, power input shaft one end is connected with Quick Release bindiny mechanism, and the power input shaft other end is fixed with input
Bevel gear, the two ends of the power transmission shaft are rotatably connected to the Intermediate bevel gears engaged with input bevel gear, and power is passed
Be bonded in the middle part of power axle and be connected to the engaging sleeve two that can be slided on power transmission shaft, the small end of Intermediate bevel gears be provided with can with engage
The engaging tooth of two engagement of set；The reduction part idler gear and the deceleration output gear engaged with idler gear, the gear shift portion
The moment of torsion of power transmission shaft is delivered to into idler gear, and gear shift portion can change the rotating speed of deceleration output gear.
Beneficial effect：Operation drive mechanism is capable of achieving the main story of Working mechanism cutter and reversion, makes operation more flexible.Operation
When the power input shaft in drive mechanism commutation portion is rotated, input bevel gear will drive Intermediate bevel gears to rotate, due to middle cone tooth
Wheel is located at the both sides of input bevel gear respectively, therefore the steering of two Intermediate bevel gears is contrary；Engaging sleeve two is stirred by shift fork, is made
Engaging sleeve two is combined from different Intermediate bevel gears, then the steering that can change the steering of engaging sleeve two, i.e. power transmission shaft changes,
So that the steering of reduction part deceleration output gear changes.The power of Working mechanism is exported through reduction part, and reduction part is dynamic
Power Jing tumbler gear is input into, therefore can change the steering of cutter in Working mechanism by changing the steering of tumbler gear.In addition
Export can the rotating speed that deceleration output gear can also be different by gear shift portion.
Scheme three：Based on scheme it is preferred, the limiting section is spline tooth, and the actuating sleeve is fixedly connected on drive shaft
On, the drive sleeve is slidably connected on power transmission shaft, is fixedly connected with stop collar on power transmission shaft, the drive sleeve and stop collar it
Between be connected with support spring, be socketed for spline between the drive sleeve and power transmission shaft and gap coordinate, the drive shaft and driving
It is socketed and interference fit for spline between set.
Beneficial effect：The number of teeth of spline tooth is more, and the circumferential strong point is more, can improve the stability of transmission.Support spring
Support drive sleeve to push against to stop collar, make even closer, gapless of fitting between stop collar and drive sleeve, improve stablizing for transmission
Property.Realized circumferential spacing using spline, gap coordinates and ensure that, interference fit
Ensure that being fixedly connected between drive shaft and actuating sleeve, spline compare it is common build connection, its strong point increases, and connection is more
Firmly, it is stable, and reduce the concentration of stress.
Scheme four：For the preferred of scheme three, also including clutch, the clutch includes being rotatably connected on fixed seat
On attacker, one end of the attacker and drive sleeve offset, and the other end of attacker is connected with bracing wire.
Beneficial effect：Attacker's rotation is pulled by bracing wire, attacker pulls drive sleeve and slides to depart from actuating sleeve, so as to realize
Being rapidly separated for power transmission shaft and drive shaft, disconnects transmission.
Scheme five：For the preferred of scheme four, the fixed seat is provided with installing hole, and latch is inserted in installing hole and outside latch
Wall is exposed in the through hole of fixed seat, and the outer wall being exposed on the latch in through hole is provided with the first arcuate groove；On flange head outer wall
It is provided with second arcuate groove corresponding with the arcuate groove, the latch passes through installing hole and installing hole is stretched out in end, latch is stretched
Go out end and be threaded with the nut for axial limiting, on the latch, be fixedly connected with limiting plate, the limiting plate is provided with
Ball recess, the fixed seat are provided with blind hole, blind hole and are provided with limit spring and spacing ball from bottom to up.
Beneficial effect：By rotating latch to adjust the position of the first arcuate groove, when the position dorsad the of the first arcuate groove
When two arcuate grooves overlap, plug wire is located in the second arcuate groove, realizes that the spacing of flange head, flange head and fixed seat cannot be separated；
When the first arcuate groove and the second arcuate groove overlap, flange head departs from the spacing of latch, enables flange head and fixed seat light
Separate, realize dismounting, the structure operation is efficient and convenient, it is spacing accurate.Spacing ball is supported to limiting plate under the support of limit spring
Tightly, when latch being rotated to ball recess and spacing ball coincidence, can play certain positioning action, prevent latch from turning to latch
It is dynamic.
Scheme six：For the preferred of scheme two, the second driving shaft is provided with five annular grooves, the section of annular groove
For semi-circular, the inside of the gearshift tooth set is provided with blind hole, is provided with spring and steel ball in blind hole, and spring is by steel ball top pressure second
On power transmission shaft.
Beneficial effect：Slide when gearshift tooth is enclosed within second driving shaft, and blind hole is just corresponded to after groove, steel ball will be embedding
Enter in annular groove, can prevent operation output shaft from exporting with each gear so as to tooth set of shifting gears with certain positioning action
When, gearshift tooth set play.
Scheme seven：For the preferred of scheme six, third speed drive gear and operation output gear, institute on operation output shaft, are fixed with
State, third speed drive gear can be engaged with reverse gear driven gear, operation output gear with it is defeated
Go out two engagement of gear.Beneficial effect：A high gear is increased, so as to make during only walking mechanism work, tiller can
To be walked with higher rotating speed, quickly can arrive under bare place state from tiller can be conducive to.
Scheme eight：Based on scheme or scheme five or scheme four it is preferred, the steering mechanism includes armrest seat, helps
Handss support arm, arm-rest frame and mill tooth assembly, one end connection armrest seat of handrail support arm, the other end connection handrail of handrail support arm
Frame, the handrail support arm are connected by mill tooth assembly with the armrest seat；The mill tooth assembly is included on intermeshing
Mill tooth and lower millstone tooth, the upper millstone tooth are fixedly connected with the handrail support arm, the lower millstone tooth and the armrest seat
It is fixedly connected, in the middle part of the upper millstone tooth and lower millstone tooth, is provided with through hole, the upper millstone tooth has ring-type with lower millstone between cog
Space, is provided with the first locking member between the armrest seat and handrail support arm, first locking member sequentially passes through armrest seat, lower mill
Disk tooth through hole, the through hole of upper millstone tooth and handrail support arm simultaneously adjust elastic between the armrest seat and the handrail support arm,
Also include centring sleeve, the centring sleeve be located at mill tooth group annular spaces in, the centring sleeve be hollow and annular, the centering
The outer wall of the first locking member is sheathed on, the centring sleeve is adapted with annular spaces.
Beneficial effect：It is separately fabricated in handrail support arm and arm-rest frame technique, armrest seat is that handrail support arm connects tiller
Connection pedestal, armrest seat and handrail support arm are connected by mill tooth assembly, when mill tooth assembly is tightened under external force, can
With stable fixed armrest seat and handrail support arm, when external force is removed, the upper and lower mill tooth in mill tooth assembly can be separated from each other,
Now handrail support arm can be rotated relative to armrest seat.In the prior art as mentioned in background, upper millstone tooth is adopted with lower millstone tooth
Punch forming is processed, and enterprise is considered from cost of manufacture with difficulty of processing angle, has annular spaces between mill tooth assembly.On
Through hole is provided with the middle part of mill tooth and lower millstone tooth, through hole is the reserved installation site of the first locking member.First locking member has flexible
Function can be by the function of the Distance Shortened between upper millstone and lower millstone.First locking member is also as handrail support arm and upper millstone tooth spiral
Axis when turning.Space between centring sleeve filling mill tooth assembly, makes mill tooth assembly structure more stable.Centring sleeve is upper mill
Axis when disk tooth is separated with lower millstone tooth.When lifting upper millstone tooth, upper millstone tooth is vertically slidable as axle with centring sleeve outer wall, no
Meeting run-off the straight during lifting, upper millstone tooth can be kept completely separate with lower millstone tooth.Upper millstone tooth and lower millstone tooth energy phase
To being freely rotatable.
Scheme nine is preferred for scheme eight, the centring sleeve bottom have in limit base, the lower millstone tooth with limit
The annular inner fovea part that position seat shape is adapted.
Beneficial effect：Centring sleeve together may be lifted when upper millstone tooth is rotated, limit is set in the bottom of centring sleeve
Position seat makes its embedded annular inner fovea part, makes centring sleeve be fixed together with lower millstone and avoids centring sleeve from being raised impact centering effect
Really.
Scheme ten is preferred for scheme eight, and the handrail of vertical installation is rotatably connected in the middle part of the armrest seat upper end
Arm, is fixed with limiting plate on handrail support arm, the armrest seat on the outside of handrail support arm is provided with via, and vertical installation is equipped with via
Depression bar, the top of depression bar is fixed with pressing plate, and the bottom of depression bar is fixed with briquetting, is arranged on the depression bar between pressing plate and armrest seat
Flexible return unit；Gear shift piece is rotatably connected on the side wall of housing, gear shift piece is located at the lower section of depression bar, gearshift piece and gearshift tooth
Set clamping.
Beneficial effect：Gear shift tooth is enclosed within line shaft and slides with the different gear of correspondence, and gear shift piece is rotatably connected on gear shift
It is connected on case and with gearshift tooth set, the different gear of the different rotational angle correspondence tiller of gear shift piece, piece of so shifting gears are rotated
When be the position that is enclosed within line shaft of scalable gearshift tooth, so as to change gear.During normal use, the limiting plate on handrail support arm
Depart from pressing plate, the briquetting of depression bar lower end is hanging in the presence of dynamic clamping head and quiet clamping head, and gear shift piece can be at the corresponding angle of whole gears
Rotate in the range of degree, realize the regulation of the top gear of tiller to reverse gear.When tiller needs commutation to use, with armrest seat
Centered on portion, to adapt to operation, armrest seat provides support and certralizing ability for handrail support arm to rotary handle support arm.Handrail support arm turns
When dynamic, limiting plate is also and then rotated, and pressing plate is pressed downward when rotating by handrail support arm, handrail support arm is limited after going to the position of needs
Position plate is kept off in the upper end of pressing plate, is prevented the lower end of depression bar resilience, depression bar from keeping off in the top of gear shift piece through armrest seat, is limited gear shift
The range of activity of piece, when handrail support arm Rotation With Changing backward, the slewing area of gear shift piece is limited by depression bar, makes the gear shift piece can only be solid
Rotate in fixed angular range so that move between the gear positions that gear shift tooth set can only be fixed on line shaft, realize gear
Restriction so that after tiller commutation, gear is restricted, it is possible to achieve only work in low-grade location after commutation, after reducing commutation
The security risk that high tap position work can bring.When commutating again, handrail support arm returns to normal condition, and limiting plate departs from pressure
Plate, pressing plate by jack-up upwards, drive depression bar and briquetting to move up in the presence of the recovery deformation of dynamic clamping head and quiet clamping head, and briquetting is not
The range of activity of gear shift piece is limited again, and gear shift piece can change between reverse gear in top gear again.So can have by this programme
The transforming gear that tiller is controlled according to actually used situation of effect, particularly can limit tiller when commutation is used and be in
Underdrive operating state, tiller is using safer.
Description of the drawings
Fig. 1 is the structural representation of power transmission mechanism in multifunctional small tiller embodiment of the present invention.
Sectional views of the Fig. 2 for Fig. 1.
The structural representation of Quick Release bindiny mechanism in Fig. 3 multifunctional small tiller embodiments of the present invention.
Sectional views of the Fig. 4 for Fig. 3.
Detaching structure schematic diagrams of the Fig. 5 for Fig. 3.
Fig. 6 is the structural representation of steering mechanism in invention multifunctional small tiller embodiment.
Fig. 7 is the structural representation of steering mechanism in invention multifunctional small tiller embodiment.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Multifunctional small tiller, including frame, electromotor, power transmission mechanism, Quick Release bindiny mechanism and steering mechanism,
Power transmission mechanism includes the first housing, the second housing, cone clutch 11, walking transmission mechanism as shown in Figures 1 and 2
With operation drive mechanism；First housing and the second housing are connected by ring flange, and walking transmission mechanism is made in first shell body
In second shell body, walking transmission mechanism is connected by Quick Release bindiny mechanism industry drive mechanism with operation drive mechanism.
Walking mechanism includes horizontally disposed first power transmission shaft 1201, second driving shaft 1202,1204 and of operation output shaft
Reversing shaft, and the walking output shaft 1206 being vertically arranged, the first power transmission shaft 1201, second driving shaft 1202, walking output shaft
1206 and reversing shaft be connected with the first housing into rotation, and the first power transmission shaft 1201 is coaxial with operation output shaft 1204, and second is defeated
Shaft is parallel with the first output shaft.The left end of the first power transmission shaft 1201 is connected by cone clutch 11 with the output shaft of electromotor,
And the taper of cone clutch 11 is 8；The left end of operation output shaft 1204 inserts the right-hand member of the first output shaft, and operation output
Axle 1204 is rotated with the first power transmission shaft 1201 and is connected, such that it is able to reduce the locating distance of the first power transmission shaft 1201 and operation power transmission shaft
From.The left end of second driving shaft 1202 is provided with and 1202 integrally formed bevel pinion of second driving shaft, output shaft 1206 of walking
Upper end be bonded and be connected to bevel gear wheel, bevel pinion and auger engagement, second driving shaft 1202 is by intermeshing small bevel gear
Wheel and bevel gear wheel drive walking output shaft 1206 to rotate, so as to output power.First power transmission shaft 1201 is provided with one grade of master
Moving gear 1211 and two grades of driving gears 1212, second driving shaft 1202 are provided with 1210, two grades of driven tooths of first speed driven gear
Wheel 1209 and reverse gear driven gear 1208.Output gear 1, reverse driving gear 1214 and output are fixed with reversing shaft
Gear 2 1213；Operation output shaft 1204 is provided with third speed drive gear 1205 and operation output gear.
One grade of driving gear 1211 and two grades of driving gears 1212 are integrally formed with the first power transmission shaft 1201, and one grade driven
Gear 1210 is rotatably connected on second driving shaft 1202, and one grade of driving gear 1211 is nibbled with first speed driven gear 1210 all the time
Close.1202 upper spline of second driving shaft is connected with gearshift tooth set, two grades of driven gears 1209 and reverse gear driven gear 1208 with change
Gear tooth set is integrally formed, and is that shift-variable tooth is enclosed within slip on second driving shaft 1202 by arranging shift fork.First speed driven gear
1210 opposite ends covered with gearshift tooth are provided with mutually engageable engaging tooth；When first speed driven gear 1210 and two grades of driven gears
When 1209 engaging tooth is engaged, two grades of driven gears 1209 and two grades of driving gears 1212 will be disengaged from engagement, so as to one grade
Driven gear 1210 drives gearshift tooth set to rotate, and so as to drive second driving shaft 1202 to rotate, walking output shaft 1206 is with one grade
Output.When two grades of driven gears 1209 and two grades of driving gears 1212 are in engagement, first speed driven gear 1210 and change
The engaging tooth of gear tooth set is disengaged from state, then two grades of driving gears 1212 drive two grades of driven gears 1209 to rotate, so as to band
Dynamic second driving shaft 1202 is rotated, and walking output shaft 1206 is exported with two grades.
Output gear 1 on reversing shaft is engaged all the time with two grades of driving gears 1212, so as to the first power transmission shaft 1201
Reversing shaft is driven to rotate；Output gear 2 1213 is engaged all the time with operation output gear, so as to reversing shaft drives operation defeated all the time
Shaft 1204 is rotated.The gearshift tooth set that slides makes third speed drive gear 1205 engage with reverse gear driven gear 1208, then operation output
Axle 1204 drives second driving shaft 1202 to rotate, and walking output shaft 1206 is exported with third gear.Continuing slip gearshift tooth set makes two grades
Driven gear 1209 and reverse gear driven gear 1208 are not engaged with any gear, then output shaft 1206 of walking is in neutral gear shape
State.The gearshift tooth set that slides makes reverse gear driven gear 1208 engage with reverse driving gear 1214, then reversing shaft drives second to be driven
Axle 1202 is rotated, and walking output shaft 1206 is exported with reverse gear.
In the present embodiment, operation output shaft 1204 can be exported with one grade, two grades, third gear, five gears of neutral gear and reverse gear,
And five annular grooves on second driving shaft 1202, are accordingly provided with, the section of annular groove is semi-circular；It is interior that gearshift tooth covers
Portion is provided with blind hole, and spring and steel ball are provided with blind hole, and spring is by steel ball top pressure on second driving shaft 1202.When gearshift tooth is enclosed within
Slide on second driving shaft 1202, and blind hole just correspond to after groove, steel ball by embedded annular groove, so as to tooth of shifting gears
With certain positioning action, when can prevent operation output shaft 1204 and export with each gear, gearshift tooth covers play to set.
Operation drive mechanism includes commutation portion, gear shift portion and reduction part.Commutation portion includes that power input shaft 141 and power are passed
Pass axle 142, power input shaft 141 is mutually perpendicular to power transmission shaft 142, and power input shaft 141 and power transmission shaft 142 with
Second housing into rotation connects.The right-hand member spline connection of power input shaft 141 has input bevel gear 143, the two ends of power transmission shaft
Intermediate bevel gears 144 are rotatably connected to, two Intermediate bevel gears 144 are engaged with input bevel gear 143；Intermediate bevel gears 144
Small end be provided with engaging tooth, the middle part spline connection of power transmission shaft 142 has engaging sleeve 2 146, and engaging sleeve 2 146 can be dynamic
Slide on power transmission shafr, engaging sleeve 2 146 can be made to be combined with engaging tooth by shift fork.One end of power transmission shaft also spline connection
There is the first tumbler gear 145, when engaging sleeve 2 146 is engaged from different Intermediate bevel gears 144, the first tumbler gear 145
Rotation direction is different.
In the present embodiment, bevel gear 143 and Intermediate bevel gears 144 are input into for spiral bevel gear, and Intermediate bevel gears 144
Cone angle is 5～10.
Gear shift portion includes the first selector shaft 151 being connected with the second housing into rotation and the second selector shaft 152, the first gear shift tooth
One end spline connection of wheel has the second tumbler gear 153 engaged with the first tumbler gear 145, so as to can the first tumbler gear
145 the first selector shafts 151 of drive are rotated.On first selector shaft 151, also spline connection has driving gear one and driving gear two, main
Moving gear one and driving gear two are integrally formed, and can make driving gear one and driving gear two in the first selector shaft by shift fork
Slide on 151.Second rotary shaft upper spline is connected with driven gear one and driven gear two, and driven gear one and driven gear
Two are fixed with the second selector shaft 152；By shift fork slip driving gear one and driving gear two, driving gear one and quilt can be made
Moving gear one is engaged or driving gear two is engaged with driven gear two, when driving gear one and driven gear one are engaged, second
The rotating speed of selector shaft 152 is one grade；When driving gear two and driven gear two are engaged, the rotating speed of the second selector shaft 152 is two
Shelves.
Reduction part includes the first idler gear 161, the second idler gear 162 and the deceleration output gear 163 for engaging successively,
First idler gear 161 is engaged with driven gear two, and most power is exported from deceleration output gear 163 at last, so as to reach deceleration
With the purpose of power output；And first idler gear 161, the second idler gear 162 and deceleration output gear 163 cloth downwards successively
Put, so that operation cutter reaches required terrain clearance.
As shown in Fig. 3, Fig. 4 and Fig. 5, Quick Release bindiny mechanism is mainly by 303 groups of fixed seat 301, flange head 302 and latch
Into, through hole being provided with fixed seat 301, drive mechanism is installed in through hole, the logical of fixed seat 301 is stretched in the end of flange head 302
Fixed by latch 303 in hole, drive mechanism is installed in flange head 302, drive mechanism and drive mechanism are detachably connected.
Drive mechanism is made up of drive shaft 304 and the actuating sleeve being connected in drive shaft 304 341, and drive mechanism is by passing
Moving axis 305 and the drive sleeve 351 being connected on power transmission shaft 305 are constituted, be machined with actuating sleeve 341 and drive sleeve 351 for
Mutually circumferential spacing limiting section.The concrete form of limiting section can be spline tooth, or ratchet, or other shapes
The bulge-structure of formula.It is socketed for spline between drive sleeve 351 and power transmission shaft 305 and gap coordinates, interference fit on power transmission shaft 305
Limited location set, is connected with support spring 306,304 He of the drive shaft between the stop collar in drive sleeve 351 and power transmission shaft 305
It is socketed and interference fit for spline between actuating sleeve 341.Realized circumferential spacing using spline, gap coordinates and ensure that transmission
It is slidably connected between set 351 and power transmission shaft 305, interference fit ensure that the fixed company between drive shaft 304 and actuating sleeve 341
Connect, spline compare it is common build connection, its strong point increases, connection more firmly, it is stable, and reduce the concentration of stress.Drive
Moving axis 304 and power transmission shaft 305 are connected with each other by the cooperation of actuating sleeve 341 and drive sleeve 351, using actuating sleeve 341 and transmission
The circumferential limiting section of set 351 is mutually spacing, is capable of achieving being rapidly separated for drive shaft 304 and power transmission shaft 305.Drive mechanism and transmission
Clutch is installed between mechanism, clutch has the attacker 307 being rotatably connected in fixed seat 301, one end of attacker 307
Offset with drive sleeve 351, the other end of attacker 307 is connected with bracing wire.Attacker 307 is pulled to rotate by bracing wire, attacker 307 pulls
Drive sleeve 351 is slided to depart from actuating sleeve 341, so as to realize being rapidly separated for power transmission shaft 305 and drive shaft 304, disconnects transmission.
As shown in figure 5, installing hole is machined with fixed seat 301, latch 303 is inserted in installing hole and 303 outer wall of latch dew
In the through hole of fixed seat 301, latch 303 passes through installing hole and installing hole, the external part threaded connection of latch 303 are stretched out in end
There is the nut 336 for axial limiting, on the latch 303, be fixedly connected with limiting plate 332.It is exposed in through hole on latch 303
Outer wall be provided with the first arcuate groove 333,302 outer wall of flange head is provided with second arcuate groove 321 corresponding with the arcuate groove.
By rotating latch 303 to adjust the position of the first arcuate groove 333, when position dorsad second arcuate groove of the first arcuate groove 333
During 321 coincidence, plug wire is located in the second arcuate groove 321, realizes the spacing of flange head 302,301 nothing of flange head 302 and fixed seat
Method is separated；When the first arcuate groove 333 and the second arcuate groove 321 overlap, flange head 302 departs from the spacing of latch 303, makes flange
302 and fixed seat 301 easily can separate, realize dismounting, the structure operation is efficient and convenient, spacing accurate.On limiting plate 332
Ball recess is provided with, fixed seat 301 is provided with blind hole, blind hole and is provided with limit spring 335 and spacing ball 334 from bottom to up.
Spacing ball 334 is pushed against to limiting plate 332 under the support of limit spring 335, when rotation latch 303 is to ball recess and spacing ball
During 334 coincidence, certain positioning action can be played to latch 303, prevent latch 303 from rotating.The upper end of latch 303 is provided with handle
331.It is easy to user to hold to take, the convenient latch 303 that swings manually is rotated.
The implementation process of the structure：During installation, latch 303 is rotated by handle 331, the first arc on latch 303 is made
Towards in through hole, the inner surface contour alignment of the first arcuate groove 333 and through hole, latch 303 now do not play position-limiting action to groove 333, will
Flange head 302 carries drive mechanism and is inserted in fixed seat 301 together, and the spline tooth alignment on actuating sleeve 341 and drive sleeve 351 is matched somebody with somebody
Close.Latch 303 is rotated, the first arcuate groove 333 dorsad the second arcuate groove 321, latch 303 are coordinated in the second arcuate groove 321
Carry out spacing, prevent flange head 302 from coming off.When restraining position is turned to, spacing ball 334 just falls into limiting plate to latch 303
In spherical groove on 332, prevent latch 303 from rotating.When disassembly is desired, bracing wire is pulled, makes actuating sleeve 341 and drive sleeve in advance
351 depart from, and disconnect and driving.Latch 303 is rotated, makes the first arcuate groove 333 and the second arcuate groove 321 overlap, flange head 302 departs from
Latch 303 is spacing.
Armrest seat 410 that as shown in Figure 6 steering mechanism includes being connected with tiller, handrail support arm 420, arm-rest frame 430 with
And mill tooth assembly 440, one end connection armrest seat 410 of handrail support arm 420, the other end connection arm-rest frame of handrail support arm 420
430, handrail support arm 420 is connected by mill tooth assembly 440 with armrest seat 410；Mill tooth assembly 440 is included on intermeshing
Mill tooth 441 and lower millstone tooth 442, upper millstone tooth 441 are fixedly connected with handrail support arm 420, lower millstone tooth 442 and armrest seat
410 are fixedly connected, and are provided with through hole in the middle part of upper millstone tooth 441 and lower millstone tooth 442, have between upper millstone tooth 441 and lower millstone tooth 442
There are annular spaces, between armrest seat 410 and handrail support arm 420, be provided with the first locking member 411, the first locking member 411 is sequentially passed through
Armrest seat 410, the through hole of lower millstone tooth 442, the through hole of upper millstone tooth 441 and handrail support arm 420, also including centring sleeve 443,
Centring sleeve 443 is located in the annular spaces of mill tooth assembly, and centring sleeve 443 is hollow and annular, and centring sleeve 443 is sheathed on the first lock
The outer wall of tight part 411, centring sleeve 443 are adapted with annular spaces.443 bottom of centring sleeve has limit base 4431, lower millstone tooth
With the annular inner fovea part being adapted with 4431 shape of limit base in 442.Armrest seat 410 includes grooved block 412 and template block
413, the back side and the welding 420, front of grooved block 412 of handrail support arm of grooved block 412 are welded on template block 413, template block
413 are fixed in the frame of tiller by bolt 4122.The side of grooved block 412 is provided with limiting through hole, connects in limiting through hole
It is connected to caging bolt.Template block 413 has patchhole, and the first locking member 411 includes check lock lever 4111, lock sleeve 4113 and lock
Tight 4112, check lock lever 4111 has head and a bar portion, and head is integrally formed with diameter greater than patchhole bar portion, the head end of bar portion
Outer wall thread section, the threaded portion that the inwall of locking head 4112 is threadedly coupled with the thread segment with bar portion, lock sleeve 4113
Bottom is fixed on upper millstone tooth 441, and the top of lock sleeve 4113 passes through the locking through hole and locking head of handrail support arm 420
4112 laminatings.Locking head 4112 is connected with handle.
Installation process：Centring sleeve 443 is put in the annular spaces of mill tooth assembly 440 before installing, and by centring sleeve 443
Limit base 4431 be embedded in the annular inner fovea part of lower millstone tooth 442, during installation by check lock lever 4111 pass through patchhole, centring sleeve
443rd, the locking through hole of lock sleeve 4113 and handrail support arm 420, the head of check lock lever 4111 are pasted with the lower surface of template block 413
Close, the bar portion of check lock lever 4111 is threadedly coupled with locking head 4112.430 process of rotating handrail frame：When unscrewing locking head 4112, lift
Arm-rest frame 430, handrail support arm 420 and the upper millstone tooth 441 being fixed together is acted, them are then rotated, centring sleeve 443 is fixed
Upper millstone tooth 441 is limited on lower millstone tooth 442, upper millstone tooth 441 is rotated as axle center with centring sleeve 443.Rotate to
Locking head 4112 is screwed again behind position will be mill tooth assembly locked.
Horizontal limiting plate 204 is welded with handrail support arm as shown in Figure 7, the template block on the outside of grooved block was provided with
Hole, grooved block are welded with horizontal support plate 205 on the side wall of via, and support plate 205 is provided with the through hole with via coaxial line.
The depression bar 206 of vertical installation is equipped with via, and the top of depression bar 206 is provided with external screw thread and pressing plate 207 is fixed with by nut,
Integrally formed with location-plate 208, the bottom of depression bar 206 is screwed briquetting 215 on the right side of 207 upper end of pressing plate, pressing plate 207 with
Spring 209 is arranged with depression bar 206 between support plate 205.Support plate 205 on the outside of through hole is provided with pilot hole, wears in pilot hole
The guide post 210 of vertical installation is provided with, the top of guide post 210 is integrally formed on pressing plate 207, and guide plate bottom is screwed
There is anticreep plate 211.Gear shift case 200 is equipped with rotatable shift bar 214 on the side wall of depression bar 206, and shift bar 214 is located at
One end in gear shift case 200 is fixed with driving lever 216, and the free end of driving lever 216 is located at gearshift tooth and puts front gear 217 and backgear
In draw-in groove 218 between 219, shift bar 214 is located at the one end outside gear shift case 200 integrally formed with gear shift piece.Gear shift piece includes
Vertically arranged pendulum 212, pendulum 212 are integrally formed with shift bar 214, the lower end of pendulum 212 integrally formed with catch 213,
Catch 213 is located at the lower section of briquetting 215, and pendulum 212 is fixed with draw ring away from one end of shift bar 214.
In the present embodiment, during practical application, on selector shaft, correspondence difference gear is provided with the groove of annular, the axle of gear shift tooth set
Hole wall is provided with the blind hole of radial direction, and positioning ball is provided with blind hole, and stage clip, gear shift tooth are provided between positioning ball and blind via bottom
It is enclosed within line shaft 220 and slides with the different gear of correspondence, positioning ball ejection is enclosed within to gear shift tooth by line shaft by stage clip
Position on 220 is positioned, and gear shift piece is rotatably connected on gear shift case 200 by gear level and by driving lever 216 and gearshift
Tooth set connection, the different gear of the different rotational angle correspondence tiller of gear shift piece, piece of so shifting gears pass through driving lever 216 when rotating
Rotation promote gear shift tooth to be enclosed within line shaft 220 and move, you can adjust gearshift tooth and be enclosed within the position on line shaft 220, so as to
Change gear.During normal use, the limiting plate 204 on handrail support arm departs from pressing plate 207, and the briquetting 215 of 206 lower end of depression bar is in bullet
Hanging in the presence of spring 209, gear shift piece can be rotated in the corresponding angular range of whole gears, realize the top gear of tiller
To the regulation of reverse gear.Tiller need commutation use when, centered in the middle part of grooved block rotary handle support arm with adapt to operation,
Armrest seat provides support and certralizing ability for handrail support arm.When handrail support arm is rotated, limiting plate 204 is also and then rotated, handrail support arm
Pressing plate 207 is pressed downward during rotation, the position rear position margining plate 204 that handrail support arm goes to needs is kept off in the upper end of pressing plate 207, prevented
Only 206 resilience of depression bar, is positioned to limiting plate 204 by location-plate 208, by guide post 210, support plate 205 to depression bar 206
It is oriented to, the lower end of depression bar 206 is kept off in the top of gear shift piece through armrest seat, briquetting 215 is pressed in the upper end of catch 213 and limits
The range of activity of gear shift piece, when handrail support arm Rotation With Changing backward, the slewing area of gear shift piece is limited by depression bar 206, makes gear shift piece
Can only rotate in fixed angular range so that move between the gear positions that gear shift tooth set can only be fixed on line shaft 220
It is dynamic, realize the restriction of gear so that gear is restricted after tiller commutation, it is possible to achieve only work in low-grade location after commutation,
Now by connecting drag-line on draw ring, pull drag-line adjust tiller gear shift between 1,0 and -1 grade, during use always
In low-grade or neutral gear, the security risk that high tap position work can bring after reducing commutation.When commutating again, handrail support arm is extensive
Arrive normal condition again, limiting plate 204 departs from pressing plate 207, pressing plate 207 in the presence of spring 209 recovers deformation by jack-up upwards,
Depression bar 206 and briquetting 215 is driven to move up, briquetting 215 no longer limits the range of activity of gear shift piece, by pulling on draw ring
Drag-line causes gear shift piece change between reverse gear in top gear again.
Claims (10)
1. multifunctional small tiller, including frame, electromotor, power transmission mechanism, Quick Release bindiny mechanism and steering mechanism,
Characterized in that,
The power transmission mechanism includes housing, the clutch, walking transmission mechanism and operation drive mechanism in housing, institute
State walking transmission mechanism and operation drive mechanism is connected by Quick Release bindiny mechanism, the walking transmission mechanism includes turning with housing
First power transmission shaft of dynamic connection, second driving shaft, reversing shaft and walking output shaft, first power transmission shaft, second driving shaft and
Reversing shaft be arranged in parallel, and the walking output shaft is vertical with second driving shaft, and the clutch is by the output shaft of electromotor and the
One power transmission shaft one end connects；
The first power transmission shaft other end is fixedly connected with one grade of driving gear and two grades of driving gears, on the second driving shaft
The first speed driven gear for engaging with one grade of driving gear all the time is rotatably connected to, is bonded on second driving shaft and is connected to and can pass second
The gearshift tooth set slided on moving axis, gearshift tooth put and are fixed with two grades of driven gears and reverse gear driven gear, gearshift tooth set and
The opposite end of shelves driven gear is provided with mutually engageable engaging tooth；Output gear one and reverse gear master are fixed with the reversing shaft
Moving gear, output gear one are engaged with one grade of driving gear or two grades of driving gears, and reverse gear driven gear can be with reverse gear actively
Gear is engaged；
Quick Release bindiny mechanism, including fixed seat, flange head and latch, the fixed seat are provided with through hole, the end of the flange head
Portion is stretched in the through hole of fixed seat and is fixed by the latch, and also including drive mechanism and drive mechanism, drive mechanism is rotated
It is connected in fixed seat, the drive mechanism is rotatably connected in flange head, the drive mechanism and drive mechanism detachably connect
Connect, the drive mechanism connects walking transmission mechanism, the drive mechanism connects walking transmission mechanism,
Drive mechanism includes drive shaft and connection actuating sleeve on the driving shaft, and the drive mechanism includes power transmission shaft and company
The drive sleeve being connected on power transmission shaft, is equipped with the actuating sleeve and drive sleeve for the spacing of mutually circumferential spacing and cooperation
Portion.
2. multifunctional small tiller according to claim 1, it is characterised in that：The operation drive mechanism include commutation portion,
Gear shift portion, reduction part and with the operation output shaft parallel to the first power transmission shaft；The commutation portion includes being mutually perpendicular to and and shell
Body rotates the power input shaft and power transmission shaft of connection, and power input shaft one end is connected with Quick Release bindiny mechanism, power input
The axle other end is fixed with input bevel gear, and the two ends of the power transmission shaft are rotatably connected to and are input into what bevel gear engaged
Intermediate bevel gears, are bonded in the middle part of power force transmission shaft and are connected to the engaging sleeve two that can be slided on power transmission shaft, Intermediate bevel gears
Small end be provided with the engaging tooth that can be engaged with engaging sleeve two；The reduction part idler gear and the deceleration engaged with idler gear are defeated
Go out gear, the moment of torsion of power transmission shaft is delivered to idler gear by the gear shift portion, and gear shift portion can change deceleration output gear
Rotating speed.
3. multifunctional small tiller according to claim 1, it is characterised in that：The limiting section be spline tooth, the driving
Set is fixedly connected on the driving shaft, and the drive sleeve is slidably connected on power transmission shaft, and stop collar is fixedly connected with power transmission shaft, institute
State, be socketed for spline between the drive sleeve and power transmission shaft and gap is matched somebody with somebody
Close, be socketed and interference fit for spline between the drive shaft and actuating sleeve.
4. multifunctional small tiller according to claim 3, it is characterised in that：Also include clutch, the clutch
Including the attacker being rotatably connected in fixed seat, one end of the attacker and drive sleeve offset, and the other end of attacker is connected with drawing
Line.
5.（Sharp separation）
Multifunctional small tiller according to claim 4, it is characterised in that：The fixed seat is provided with installing hole, and latch is inserted
In installing hole and latch outer wall is exposed in the through hole of fixed seat, the outer wall being exposed on the latch in through hole is provided with the first arc
Shape groove；Flange head outer wall is provided with second arcuate groove corresponding with the arcuate groove, and the latch passes through installing hole and end is stretched
Go out installing hole, the external part of latch is threaded with the nut for axial limiting, limiting plate is fixedly connected with the latch,
The limiting plate is provided with ball recess, the fixed seat be provided with blind hole, blind hole be provided with from bottom to up limit spring and
Spacing ball.
6. multifunctional small tiller according to claim 2, it is characterised in that the second driving shaft be provided with five it is annular
Groove, the section of annular groove is semi-circular, and the inside of the gearshift tooth set is provided with blind hole, and spring and steel ball are provided with blind hole,
Spring is by steel ball top pressure on second driving shaft.
7. multifunctional small tiller according to claim 6, it is characterised in that third gear driving tooth is fixed with operation output shaft
Wheel and operation output gear, are fixed with output gear two on the reversing shaft, third speed drive gear can be nibbled with reverse gear driven gear
Close, operation output gear is engaged with output gear two.
8. the multifunctional small tiller according to claim 1 or 5 or 4, it is characterised in that：The steering mechanism includes handrail
Seat, handrail support arm, arm-rest frame and mill tooth assembly, one end connection armrest seat of handrail support arm, the other end of handrail support arm connect
Arm-rest frame is connect, the handrail support arm is connected by mill tooth assembly with the armrest seat；The mill tooth assembly includes mutually nibbling
The upper millstone tooth of conjunction and lower millstone tooth, the upper millstone tooth are fixedly connected with the handrail support arm, the lower millstone tooth with it is described
Armrest seat is fixedly connected, and is provided with through hole in the middle part of the upper millstone tooth and lower millstone tooth, and the upper millstone tooth is had with lower millstone between cog
There are annular spaces, between the armrest seat and handrail support arm, be provided with the first locking member, first locking member sequentially passes through handrail
Seat, lower millstone tooth through hole, the through hole of upper millstone tooth and handrail support arm are simultaneously adjusted between the armrest seat and the handrail support arm
It is elastic, also including centring sleeve, the centring sleeve be located at mill tooth group annular spaces in, the centring sleeve be hollow and annular,
The centring sleeve is sheathed on the outer wall of the first locking member, and the centring sleeve is adapted with annular spaces.
9. multifunctional small tiller according to claim 8, it is characterised in that：The centring sleeve bottom has limit base, institute
State in lower millstone tooth with the annular inner fovea part being adapted with limit base shape.
10. multifunctional small tiller according to claim 8, it is characterised in that：The middle part of the armrest seat upper end rotates and connects
The handrail support arm of vertical installation is connected to, limiting plate on handrail support arm, is fixed with, the armrest seat on the outside of handrail support arm is provided with via,
Be equipped with the depression bar of vertical installation in via, the top of depression bar is fixed with pressing plate, the bottom of depression bar is fixed with briquetting, pressing plate with help
Dynamic clamping head and quiet clamping head is arranged with depression bar between handss seat；Gear shift piece is rotatably connected on the side wall of housing, gear shift piece is located at depression bar
Lower section, gearshift piece with gearshift tooth set clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265119.7A CN106576449B (en) | 2016-12-30 | 2016-12-30 | Multifunctional micro-tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265119.7A CN106576449B (en) | 2016-12-30 | 2016-12-30 | Multifunctional micro-tillage machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106576449A true CN106576449A (en) | 2017-04-26 |
| CN106576449B CN106576449B (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611265119.7A Active CN106576449B (en) | 2016-12-30 | 2016-12-30 | Multifunctional micro-tillage machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008564A (en) * | 2018-06-22 | 2018-12-18 | 深圳市博孚机电有限公司 | A kind of electrically driven curtain |
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| CN105981492A (en) * | 2015-03-03 | 2016-10-05 | 张朝选 | Vertical all-terrain multi-purpose mini tiller |
| CN206402646U (en) * | 2016-12-30 | 2017-08-15 | 重庆华世丹机械制造有限公司 | Multifunctional small tiller |
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| JPS61261131A (en) * | 1985-05-13 | 1986-11-19 | Iseki & Co Ltd | Backward-motion work controller in walking type farm machine |
| CN201374898Y (en) * | 2009-04-09 | 2010-01-06 | 李健伟 | Variable transmission mechanism of micro-tillage machine |
| CN201789718U (en) * | 2009-10-28 | 2011-04-13 | 孙定忠 | Ditching ridger connected with mini-tiller |
| KR101234774B1 (en) * | 2012-05-10 | 2013-02-20 | 김준환 | Rotavator drive both side |
| US20140262383A1 (en) * | 2013-03-15 | 2014-09-18 | Unverferth Manufacturing Company, Inc. | Tilling implement and bearing assembly for use therewith |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109008564A (en) * | 2018-06-22 | 2018-12-18 | 深圳市博孚机电有限公司 | A kind of electrically driven curtain |
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| Publication number | Publication date |
|---|---|
| CN106576449B (en) | 2023-02-03 |
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