CN107023647A - A kind of manual transmission - Google Patents
A kind of manual transmission Download PDFInfo
- Publication number
- CN107023647A CN107023647A CN201710312503.6A CN201710312503A CN107023647A CN 107023647 A CN107023647 A CN 107023647A CN 201710312503 A CN201710312503 A CN 201710312503A CN 107023647 A CN107023647 A CN 107023647A
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- Prior art keywords
- gear
- clutch
- plate
- shaft
- power input
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 87
- 230000008859 change Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims description 41
- 210000000515 tooth Anatomy 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000003137 locomotive effect Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 11
- 238000005457 optimization Methods 0.000 description 9
- 230000007935 neutral effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H2061/0474—Smoothing ratio shift by smoothing engagement or release of positive clutches; Methods or means for shock free engagement of dog clutches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of manual transmission, including casing, power input shaft and speed change wheel shaft on casing, change-speed gearing is provided with speed change wheel shaft, correspondence change-speed gearing is provided with shift fork on casing, it is characterised in that rotating forward transfer gear train and reversion transfer gear train are provided between the power input shaft and speed change wheel shaft, rotating forward transfer gear train is used to drive speed change wheel shaft to rotate forward, and reversion transfer gear train is used to drive speed change wheel shaft reverse turn；Rotating switching control is additionally provided with the casing of power input shaft position, the rotating switching control can control rotating forward transfer gear train to be connected with the respective input of transfer gear train is inverted with power input shaft switching.The present invention there is locomotive to move forward and backward switching sensitivity is good, reaction is quick, easy to control, and trailer reversing flexibility is good and lower-cost advantage, is particularly suitable for using in agricultural machinery.
Description
Technical field
Locomotive field, more particularly to the manual transmission that a kind of particularly convenient agricultural machinery is used are used the present invention relates to agricultural.
Background technology
Agricultural machinery is use in agricultural production variousMachineGeneral designation, wherein be referred to as agriculture locomotive with walking function,
It is to refer to agriculture locomotive that agriculture locomotive, which is often also referred to as agricultural machinery in agricultural machinery, the application,.In existing agricultural machinery, including tractor, plough
Ground machine and united reaper etc., due to needing to be operated inside the soil of farmland, in order to avoid soil is compacted, are generally used
Caterpillar walking mechanism.Its manual transmission used is similar with existing common vehicle shift speed change box structure, including
Casing, by flower on power input shaft and the speed change wheel shaft being connected with power input shaft, speed change wheel shaft on casing
Key is axially slidably equipped with correspondence change-speed gearing on change-speed gearing, casing and is provided with shift fork, shift fork and shifting commands
Input mechanism（Shifting commands input mechanism is generally shift handle）It is connected and can stirs change-speed gearing edge on speed change wheel shaft
Axial displacement, to different gears, is effectively output gear at least with more than two gears（Neutral can also be included）, become
Gear input gear engagement that can be with each effective output gear during axially displaced to the different effective output gear of fast wheel shaft,
Each gear input gear is connected to vehicle to run driving wheel by the power train of different drive ratios.Wherein effectively export gear
More than two forward ranges and a retrogressing gear are generally comprised, forward range is driven before the rotating forward of vehicle to run driving wheel
Enter, the reversion of retreating gear bit strip motor-car walking driver gear is retreated.
When above-mentioned shift speed change box structure is used for common vehicle, due to common vehicle be generally the use state of advance compared with
Many, retrogressing use state is less, therefore is more adapted to.But when agriculture locomotive is operated in farmland, its back operation is also frequently necessary to use
Arrive, agricultural machinery even vehicle lengthwise direction two ends in part are provided with agriculture operation device, do not differentiate between fore-and-aft direction.Therefore it is above-mentioned common
Vehicle manual transmission, retreat only one of which gear, be not suitable for agricultural machinery and use.In the prior art, there is a kind of hydrostatic
Press buncher（HST）Can be good at realizing variable speed, it is possible to achieve what is moved forward and backward is switched fast, but HST into
This is higher, using causing cost to be greatly improved on agricultural machinery, while hydraulic speed-changing requires of a relatively high to use environment, it is also uncomfortable
For farming operating environment.
In order to solve the above problems, it is specially adapted for the manual transmission of agricultural machinery in the presence of a class in the prior art, wherein
On the basis of said structure, gear will be retreated and be also configured as many gears from big to small, facilitate agricultural machinery to enter with the speed of different gears
Row retreats control, to be operated suitable for farming.But such shift speed change box structure, when the gear that moves forward and backward switches, is present
Control inconvenience, sensitivity is poor, the relatively low defect of trailer reversing flexibility.
The content of the invention
The technical problem to be solved in the present invention is：How to provide a kind of locomotive move forward and backward switching sensitivity it is good, instead
Should be quick, easy to control, trailer reversing flexibility is good and lower-cost manual transmission, makes it be particularly suitable for making in agricultural machinery
With.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme.
A kind of manual transmission, including casing, power input shaft on casing and it is parallel with power input shaft and
Coordinate on the speed change wheel shaft of drive connection, speed change wheel shaft by key and be axially slidably provided with correspondence on change-speed gearing, casing
Change-speed gearing is provided with shift fork, and shift fork is connected with shifting commands input mechanism and can stir change-speed gearing edge on speed change wheel shaft
Axial displacement, to different gears, is effectively output gear at least with more than two gears, change-speed gearing is axially displaced
To gear input gear engagement that can be with each effective output gear during different effective output gears, each gear input gear is used
It is connected in the gear transmission mechanism by different drive ratios to vehicle to run driving wheel；Characterized in that, the power is defeated
Enter to be provided with rotating forward transfer gear train and reversion transfer gear train between axle and speed change wheel shaft, rotate forward the output end of transfer gear train
It is connected with speed change wheel shaft and is used to drive speed change wheel shaft to rotate forward, the output end of reversion transfer gear train is connected with speed change wheel shaft is used in combination
In drive speed change wheel shaft reverse turn；Rotating switching control is additionally provided with the casing of power input shaft position, it is described
Rotating switching control can control to rotate forward transfer gear train and the reversion respective input of transfer gear train and power is defeated
Enter axle switching to be connected.
So, this gearbox work when, forward gear output gear number reverse gear output gear number it is identical, conveniently better control over and reverse gear
Operation, while and can directly control vehicle in forward gear by rotating switching control and directly switch between reversing gear,
Agility and the flexibility of vehicle rollback control are drastically increased, makes it particularly appropriate for use in agricultural machinery and uses.
As optimization, left half output shaft and right half output shaft are rotatably mounted with casing to be used for and vehicle to run active
Wheel is connected, and left half output shaft and right half output shaft or so just pair and are coaxially set and parallel with power input shaft, each gear
Position transmission mechanism output end is rotatably provided in steering clutch support shaft phase on casing and parallel with power input shaft with one
Even, it is driven each via a pair of output active steering gears of engagement and output on the left and right halfbody for turning to clutch support shaft
Tooth sector is connected with left half output shaft and right half output shaft respectively.
When so installing and using, left half output shaft can be installed directly with right half output shaft with left and right vehicle wheel wheel to be connected,
Product good integrity, and conveniently realize the differential steering control of left and right vehicle wheel wheel.
As optimization, gear transmission mechanism includes a gear gear transmission mechanism, two gear gear transmission mechanisms, three gear gears and passed
Motivation structure and four gear gear transmission mechanisms, the gear gear transmission mechanism include one one gear driven gear（For the gear of a gear
Position input gear）, a gear driven gear is on the gear power transmission shaft that one and power input shaft be arranged in parallel, gear transmission
The three-level driven gear engagement being fixedly installed in three-level driving gear and the steering clutch support shaft is fixedly installed on axle to pass
It is dynamic；Two gear gear transmission mechanisms include one two gear driven gear（For the gear input gear of two gears）, two gear driven gear peaces
On the gear power transmission shaft；Three gear gear transmission mechanisms include a three gear masters being rotatably sleeved on speed change wheel shaft
Moving gear（For the gear input gear of three gears）, three, which keep off driving gears, is provided with ring gear and external tooth（It is not expressly described in scheme
The gear for having ring gear is accordingly to be regarded as external gear）, three keep off the external tooth of driving gears and one three gear driven gear engagement, and three gears are driven
Gear is arranged on the gear power transmission shaft；Four gear gear transmission mechanisms are rotatably sleeved on speed change wheel shaft including one
Four gear driving gears（For the gear input gear of four gears）, four, which keep off driving gears, is provided with ring gear and external tooth, four gear driving tooths
The external tooth of wheel and one four gear driven gear engagement, four gear driven gears are arranged on the gear power transmission shaft；The gear teeth
Take turns as the four-speed gear duplicate gear with two different external tooths, the external tooth of four-speed gear duplicate gear minor diameter is used for and a gear
The ring gear engaged transmission of driven gear and three gear driving gears, the external tooth of four-speed gear duplicate gear major diameter is used for and two
Keep off the ring gear engaged transmission of driven gear and four gear driving gears.
So, four gear transmission mechanisms are devised, the gear demand of agricultural machinery manipulation, and each gear driver are met enough
Structure shares a gear power transmission shaft and turns to clutch support shaft and realizes installation and be driven, with simple and compact for structure, reliable transmission
Stable advantage.
As optimization, the rotating forward transfer gear train includes a rotating forward for being rotatably sleeved on power input shaft one end
Driving gear and a rotating forward driven gear being arranged on speed change wheel shaft, rotate forward driving gear and rotating forward driven gear engagement is passed
It is dynamic；The reversion transfer gear train includes a reversion driving gear for being rotatably sleeved on the power input shaft other end, also
Including reversing gear duplicate gear installed in reverse gear support shaft in one parallel with power input shaft and one is arranged on
There are the driven gear that reverses gear on speed change wheel shaft, the duplicate gear that reverses gear two external tooths arranged side by side to be used for and invert driving gear
And driven gear engagement of reversing gear.
So, reversion transmission is realized by the duplicate gear that reverses gear of setting, it is simple and reliable for structure and facilitate switching control；Together
When the convenient regulation gearratio of the duplicate gear that sets to slow down the output speed of reversion transmission, beneficial to vehicle backing control.
As optimization, the rotating switching control, including the one section of clutch-plate peace being formed on power input shaft
Fill coaxial sleeve on section, clutch-plate construction section and be provided with coaxial on the outside of the clutch-plate that some uniform intervals vertically are arranged, clutch-plate
Be socketed with the cylindrical movable clutch-plate mounting cup in an inner chamber, clutch-plate include staggeredly spaced fixed clutch-plate and
Movable clutch-plate, fixed clutch-plate the inner, which is installed, to be connected on the clutch-plate construction section of power input shaft, movable clutch-plate outer end
Installation is connected to movable clutch-plate and installs cover inner surface；Movable clutch-plate mounting cup left and right ends end face each stretches out to be formed
There is a connecting cylinder, connecting cylinder outer end end face is concavo-convex connected structure；The input for rotating forward transfer gear train is rotatable
Ground is set in the rotating forward driving gear of power input shaft one end, and the input of reversion transfer gear train is dynamic to be rotatably sleeved on
The power input shaft other end inverts driving gear, rotates forward one end end face each faced on driving gear and reversion driving gear and sets
It is equipped with concave-convex fit structure；The fixed clutch-plate and movable clutch-plate are in when being spaced apart state, the connecting cylinder outer end
The concavo-convex grafting fit structure and rotating forward driving gear of end face and the concave-convex fit structure of reversion driving gear end face are in
Released state, the fixed clutch-plate and movable clutch-plate are in when being adjacent to bonding state, connecting cylinder outer end end face it is recessed
Convex grafting fit structure and rotating forward driving gear invert the concave-convex fit structure of driving gear end face in castellated cooperation
State；Rotating switching control also includes the switching control unit being arranged on casing, and the switching control unit is used for
The left and right translation vertically of control activity clutch-plate mounting cup simultaneously realizes laminating position in left and right between fixed clutch-plate and movable clutch-plate
The switching of configuration state.
So, employ clutch-plate and form the structure of similar clutch and realize rotating switching control, simple in construction, control
Reliably, and clutch-plate has a trip segment of a half-clutch state during clutch, clutch-plate and activity are fixed during the trip section
Certain frictional force can be transmitted between clutch-plate, but mutually rotation can be kept when meeting obstructions again, during this half-clutch state
It can be inserted into just for the concavo-convex connected structure of connecting cylinder outer end in the concave-convex fit structure of corresponding gear, it is real with smooth transition
Existing castellated cooperation docking, has greatly saved production cost and has improved the reliability and stability of rotating switching control.
As optimization, the clutch-plate construction section on the power input shaft is more than the major diameter of other positions for one section of diameter
Section.
So, clutch-plate is set on enlarged diameter section, can preferably facilitate the installation settings of clutch-plate, it is to avoid and other
The interference of component, it is ensured that the reliability of clutch switching control.
As optimization, rotating switching control also includes clutch disengaging spring, the clutch disengaging spring edge
Power input shaft acts axially between movable clutch-plate mounting cup and the output end of switching control unit and transmits control and fixes
The active force of left and right bonding position state switching between clutch-plate and movable clutch-plate.
So, switching control unit after clutch disengaging spring by remaking for movable clutch-plate mounting cup and driving work
Clutch switching control is realized in dynamic clutch-plate side-to-side movement.Spring can provide a shock-absorbing cushioning effect, improve protecting effect.
As optimization, the clutch disengaging spring be symmetrical set two in the helical spring of compressive state and
It is set in and reverses gear outside support shaft, is arranged with can also being slid axially in the support shaft of reversing gear between two clutch disengaging springs
A spring push-plate is provided with, movable clutch-plate mounting cup side, which has to the support direction of principal axis that reverses gear, extends the spring to be formed installation
Portion, support shaft of reversing gear is set through spring mountings, and the spring push-plate left and right sides is each formed with one between spring mountings
Individual spring installation cavity simultaneously is used to install clutch disengaging spring；Spring push-plate is controlled away from the side in power input shaft direction and switching
Mechanism processed is connected.
So, the convenient installation and guiding to spring of structure for support shaft of reversing gear is make use of, makes its uniform stressed, to ensure
The stability and reliability of its work.Spring push-plate can also be avoided conveniently reversing gear the interference of support shaft simultaneously, will control force
End is outwards delivered on the outside of casing, sets switching control unit to realize switching control to facilitate.Symmetrically set in addition, spring is employed
Two stage clips put, make it in addition to it can provide shock-absorbing buffer protection function, can also produce following effect：Can when the 1st, assembling
To automatically adjust each parts member fabrication error of compensation by two springs in left and right so that clutch friction plate is not by during external force
In poised state and being capable of uniform stressed.2nd, when clutch-plate or so bonding position state switches, spring energy storage can be relied on, can be with
It is better achieved to the compression between friction plate.3rd, during clutch-plate or so bonding position state handover operation, spring can be relied on
The pretightning force of offer, to providing stroke compensation after clutch friction pad wear, to ensure the compression effect after friction disc wear.4、
After the external force revocation of switching control unit, it can be automatically reset by two spring drive activity clutch-plate mounting cups to centre
State, improves manipulation flexibility；Fixed simultaneously under this state between clutch-plate and movable clutch-plate and do not contact power transmission, stabilize to sky
Gear state, therefore the convenient conversion realized to vehicle neutral position state is manipulated.
As optimization, movable sleeve is gone back on the power input shaft at the two ends of clutch-plate vertically it is connected to a main clutch and push away
Disk, main clutch push-plate is arranged on inside movable clutch-plate mounting cup, and main clutch push-plate outer end has vertically toward clutch-plate direction
The clutch-plate that extension is formed compresses force section；Also each it is socketed positioned at clutch-plate two ends on the power input shaft and is provided with one
Push-plate abuts cylinder, and the connecting cylinder at movable clutch-plate mounting cup two ends is actively socketed on push-plate and abutted outside cylinder, and push-plate, which abuts cylinder, to be used for
In the second half stroke of clutch switching control and main clutch push-plate the inner on the outside of offset, and make winner's clutch push-plate outer end from
Close piece and compress force section to clutch-plate force compression.
So, in the first half term of clutch switching control, main clutch push-plate and movable clutch-plate mounting cup are servo-actuated；To clutch
The second half stroke time point of switching control（The concavo-convex connected structure of connecting cylinder outer end end face has begun to insert during the time point
Enter in the concavo-convex grafting fit structure of corresponding gear）When can abut the main clutch that prop up on front side of moving direction of cylinder by push-plate and push away
Disk so that the main clutch push-plate is no longer servo-actuated with movable clutch-plate mounting cup, and clutch-plate is compressed；So can be preferably real
Now to the compression of clutch-plate, had begun to mutually while can better ensure that and be located at concavo-convex connected structure to the compression of clutch-plate
After insertion, it is ensured that the stationarity and reliability of positive anti-switching.
As optimization, the switching control unit, including the fan-shaped control arm of a clutch of box outer surface is arranged on, from
Hinge shape control arm is installed in rotation on casing by horizontally disposed rotating shaft, clutch sector control arm lower end and lateral out
One gear control arm of extension is connected, clutch sector control arm upper surface is integrally curved and upper surface on have and arcuately set
The engaging tooth put；Switching control unit also includes a clutch for clutch control swing pinion being installed in rotation on casing, clutch
Control the vertical installation of swing pinion and the engaging tooth engagement of downside and the fan-shaped control arm of clutch, clutch for clutch control swing pinion is vertically
It is inner extend to box house and inner end face eccentric evagination be provided with clutch for clutch control output section, switching control unit is also
Including the spring push-plate, the side of spring push-plate and movable clutch-plate mounting cup opposite direction is provided with a vertical cunning
Groove, the clutch for clutch control output section of the inner eccentric setting of the clutch for clutch control swing pinion can coordinate in chute vertically slidablely.
So, the switching control unit of setting can rely on the drawing to gear control arm to push away control, realize fan-shaped to clutch
The rotation control of control arm, and then the rotation of clutch for clutch control swing pinion is controlled, it is inner by control clutch for clutch control swing pinion
Slip of the clutch for clutch control output section of eccentric setting in chute, transforms the rotation into the translation control vertically for spring push-plate,
And then control clutch to realize clutch, complete rotating and neutral switching control.Compact with simple and ingenious structure, control can
The advantages of by being quick on the draw.
Further, the left and right sides of chute is provided with roller and clutch for clutch control output section coordinates.Frictional force is reduced, it is convenient
Clutch for clutch control output section sliding up and down in chute.
The present invention specifically can lean on positive/negative rotation switching device in the case where rotating speed is higher realize on same axis with
The dental inlay clutch structure for rotating forward driving gear and reversion driving gear is steadily smoothly engaged, compact with simple and ingenious structure,
The advantages of control is reliably quick on the draw；Can when simultaneously with axially displaced to the different effective output gear of a change-speed gearing
With the gear input gear engagement of each effective output gear, the gear switch of two and the above is realized.Simple and ingenious structure is compact,
Forward and reverse gear is more, meets the rotation speed requirements that different condition is used.
In summary, the present invention moves forward and backward with locomotive, and switching sensitivity is good, and reaction is quick, easy to control, vehicle
Yarage is good and lower-cost advantage, is particularly suitable for using in agricultural machinery.
Brief description of the drawings
Fig. 1 is the structure schematic diagram in the embodiment of the present invention from side-looking direction.
Fig. 2 is the A-A sectional views in Fig. 1.
Fig. 3 is the schematic diagram that Fig. 1 shows B-B hatchings.
Fig. 4 is the B-B sectional views in Fig. 3.
Fig. 5 is right view of the independent top half for showing rotating switching control in Fig. 1.
Fig. 6 is the top view after horizontal direction hatchings of the Fig. 5 along power input shaft is splitted.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment：
As shown in figures 1 to 6, a kind of manual transmission, including casing 1, power input shaft 55 on casing and defeated with power
Enter by key to coordinate on the speed change wheel shaft 2 that axle 55 is parallel and is connected, speed change wheel shaft 2 and be axially slidably provided with gear teeth
Correspondence change-speed gearing 21 is provided with shift fork 23 on wheel 21, casing 1, and shift fork 23 is connected with shifting commands input mechanism and can stirred
The gear axially displaced to different on speed change wheel shaft 2 of change-speed gearing 21, is effectively defeated at least with more than two gears
Go out gear, can be defeated with the gear of each effective output gear during axially displaced to the different effective output gear of change-speed gearing 21
Enter gear engagement, each gear input gear is used to be connected to vehicle to run master by the gear transmission mechanism of different drive ratios
Driving wheel；Wherein, rotating forward transfer gear train and reversion travelling gear are provided between the power input shaft 55 and speed change wheel shaft 2
System, the output end for rotating forward transfer gear train is connected with speed change wheel shaft 2 and for driving speed change wheel shaft to rotate forward, inverts transfer gear train
Output end and speed change wheel shaft phase 2 even and for driving speed change wheel shaft 2 to invert；On the casing of the position of power input shaft 55 also
Rotating switching control is provided with, the rotating switching control can control to rotate forward transfer gear train and reversion is passed
The respective input of moving gear system is connected with power input shaft switching.
So, this gearbox work when, forward gear output gear number reverse gear output gear number it is identical, conveniently better control over and reverse gear
Operation, while and can directly control vehicle in forward gear by rotating switching control and directly switch between reversing gear,
Agility and the flexibility of vehicle rollback control are drastically increased, makes it particularly appropriate for use in agricultural machinery and uses.
Left half output shaft 3 and right half output shaft 32 are rotatably mounted with present embodiment, on casing to be used for and vehicle
Walking driver gear is connected, left half output shaft 3 and right half output shaft 32 or so just pair and be coaxially set and with power input
Axle 55 is parallel, and each gear transmission mechanism output end is rotatably provided in turn on casing and parallel with power input shaft 55 with one
It is connected to clutch support shaft 60, each via a pair of output actives of engagement on the left and right halfbody for turning to clutch support shaft 60
Tooth sector 58 and the driven tooth sector 5 of output are connected with left half output shaft 3 and right half output shaft 32 respectively.
When so installing and using, left half output shaft can be installed directly with right half output shaft with left and right vehicle wheel wheel to be connected,
Product good integrity, and conveniently realize the differential steering control of left and right vehicle wheel wheel.When it is implemented, can also be straight by output shaft
Connect and be set to a bearing, should be regarded as still falling within the application protection domain.
Wherein, gear transmission mechanism includes a gear gear transmission mechanism, two gear gear transmission mechanisms, three gear gear drivers
Structure and four gear gear transmission mechanisms, the gear gear transmission mechanism include one one gear driven gear 9（Gear for a gear is defeated
Enter gear）, a gear driven gear 9 is on the gear power transmission shaft 4 that one and power input shaft be arranged in parallel, gear power transmission shaft
Three-level driving gear 14 is fixedly installed on 4 and the three-level driven gear 59 being fixedly installed in clutch support shaft 60 that turns to is nibbled
Close transmission；Two gear gear transmission mechanisms include one two gear driven gear 22（For the gear input gear of two gears）, two gear it is driven
Gear 22 is arranged on the gear power transmission shaft 4；Three gear gear transmission mechanisms are rotatably sleeved on speed change wheel shaft 2 including one
On three gear driving gears 13（For the gear input gear of three gears）, three, which keep off driving gears 13, is provided with ring gear and external tooth（Side
The not expressly described gear for having ring gear is accordingly to be regarded as external gear in case）, three gear driving gears 13 external tooth and one three gear it is driven
Gear 12 is engaged, and three gear driven gears are arranged on the gear power transmission shaft 4；Four gear gear transmission mechanisms include one rotatably
Ground is set in four gear driving gears 10 on speed change wheel shaft 2（For the gear input gear of four gears）, four, which keep off driving gears 10, is set
There are ring gear and external tooth, the external tooth of four gear driving gears 10 and one four gear driven gear 11 are engaged, and four gear driven gears 11 are pacified
On the gear power transmission shaft 4；The change-speed gearing 21 is the four-speed gear duplicate gear with two different external tooths, four-speed
The external tooth of gear duplicate gear minor diameter is used for and the ring gear engagement of a gear gear driving gear 13 of driven gear 9 and three is passed
Dynamic, the external tooth of four-speed gear duplicate gear major diameter is used for and two keep off the ring gear that driven gears 22 and four keep off driving gears 10
Engaged transmission.
So, four gear transmission mechanisms are devised, the gear demand of agricultural machinery manipulation, and each gear driver are met enough
Structure shares a gear power transmission shaft and turns to clutch support shaft and realizes installation and be driven, with simple and compact for structure, reliable transmission
Stable advantage.When it is implemented, each gear transmission mechanism can also be arranged in different rotating shafts as needed, or even will
Gear transmission mechanism is independently disposed to the Structural Transformation form such as recombinant installation outside casing, should still be contemplated as falling within the application guarantor
In the range of shield.
Wherein, the transfer gear train that rotates forward includes a rotating forward master for being rotatably sleeved on the one end of power input shaft 55
Moving gear 36 and a rotating forward driven gear 15 being arranged on speed change wheel shaft 2, rotate forward driving gear 36 and rotate forward driven gear
15 engaged transmissions；The reversion transfer gear train includes a reversion for being rotatably sleeved on the power input shaft other end actively
Gear 52, in addition to installed in reverse gear support shaft 20 in one a reverse gear duplicate gear 17 parallel with power input shaft 55
And a driven gear 16 that reverses gear being arranged on speed change wheel shaft 2, the duplicate gear 17 that reverses gear have two it is arranged side by side outer
Tooth is used for and inverted driving gear 52 and the driven gear 16 that reverses gear is engaged.Duplicate gear 17 is reversed gear during implementation by needle bearing
19 be arranged on reverse gear in support shaft 20.
So, reversion transmission is realized by the duplicate gear that reverses gear of setting, it is simple and reliable for structure and facilitate switching control；Together
When the convenient regulation gearratio of the duplicate gear that sets to slow down the output speed of reversion transmission, beneficial to vehicle backing control.Certainly
When it is implemented, rotating forward transfer gear train and reversion transfer gear train as needed each can also set up idler gear to adjust
Gearratio is saved, should be regarded as still falling within the application protection domain.
Wherein, the rotating switching control, including one section of clutch-plate being formed on power input shaft 55 are installed
Coaxial sleeve is provided with coaxial set on the outside of the clutch-plate that some uniform intervals vertically are arranged, clutch-plate on section, clutch-plate construction section
The cylindrical movable clutch-plate mounting cup 8 in an inner chamber is connected to, clutch-plate includes the staggeredly spaced He of fixed clutch-plate 6
Movable clutch-plate 7, inner install of fixed clutch-plate 6 is connected on the clutch-plate construction section of power input shaft 55, movable clutch-plate 7
Outer end is installed by connection（The installation connection of fixed clutch-plate and movable clutch-plate refer to after installing both clutch-plate and installation component it
Between can have the mounting structural mode that is adjacent to and transmits axial force, can be dismountable fixation side during actual installation
Formula, such as, in movable clutch-plate mounting cup inner surface setting arc groove, movable clutch-plate is embedded in arc groove）In work
Dynamic clutch-plate installs cover inner surface；Movable clutch-plate mounting cup left and right ends end face, which each stretches out, is formed with a connecting cylinder
35, the outer end end face of connecting cylinder 35 is concavo-convex connected structure；The input for rotating forward transfer gear train is to be rotatably sleeved on
The rotating forward driving gear 36 of the one end of power input shaft 55, the input of reversion transfer gear train is defeated to be rotatably sleeved on power
Enter the other end of axle 55 reversion driving gear 52, rotate forward one end end each faced on driving gear 36 and reversion driving gear 52
Face is provided with concave-convex fit structure；The fixed clutch-plate and movable clutch-plate are in when being spaced apart state, the connecting cylinder
The concavo-convex grafting fit structure of outer end end face and the male-female engagement knot for rotating forward driving gear 36 and the reversion end face of driving gear 52
Structure is in released state, and the fixed clutch-plate and movable clutch-plate are in when being adjacent to bonding state, the connecting cylinder outer end
At the concavo-convex grafting fit structure and rotating forward driving gear 36 of end face or the concave-convex fit structure of the reversion end face of driving gear 52
In castellated mated condition；Rotating switching control also includes the switching control unit being arranged on casing, the switching
Controlling organization be used to controlling movable clutch-plate mounting cup vertically left and right translate and realize fixed clutch-plate and movable clutch-plate it
Between or so bonding position state switching.
So, employ clutch-plate and form the structure of similar clutch and realize rotating switching control, simple in construction, control
Reliably, and clutch-plate has a trip segment of a half-clutch state during clutch, clutch-plate and activity are fixed during the trip section
Certain frictional force can be transmitted between clutch-plate, but mutually rotation can be kept when meeting obstructions again, during this half-clutch state
It can be inserted into just for the concavo-convex connected structure of connecting cylinder outer end in the concave-convex fit structure of corresponding gear, it is real with smooth transition
Existing castellated cooperation docking, drastically increases the reliability and stability of rotating switching control.Certainly, when it is implemented,
Rotating switching control can also be realized using other prior arts that can realize different gear train input switching controls
System, for example, just be regarded as still falling within the application protection domain using cooperation of selector fork and power shift gear etc..In addition
During implementation, movable clutch-plate mounting cup can be that a component or several Component compositions are obtained, and connecting cylinder can also be independent
The component of setting sets and is integrated with movable clutch-plate mounting cup, is enforceable structure.
Wherein, the clutch-plate construction section on the power input shaft 55 is the major diameter that one section of diameter is more than other positions
Section.
So, clutch-plate is set on enlarged diameter section, can preferably facilitate the installation settings of clutch-plate, it is to avoid and other
The interference of component, it is ensured that the reliability of clutch switching control.
Wherein, rotating switching control also includes clutch disengaging spring 18, the edge of clutch disengaging spring 18
Power input shaft acts axially between movable clutch-plate mounting cup 8 and the output end of switching control unit and transmits control and fixes
The active force of left and right bonding position state switching between clutch-plate 6 and movable clutch-plate 7.
So, switching control unit after clutch disengaging spring by remaking for movable clutch-plate mounting cup and driving work
Clutch switching control is realized in dynamic clutch-plate side-to-side movement.Spring can provide a shock-absorbing cushioning effect, improve protecting effect.
Wherein, the clutch disengaging spring 18 be symmetrical set two in the helical spring of compressive state and
It is set in and reverses gear outside support shaft 20, can also slides axially ground in the support shaft 20 of reversing gear between two clutch disengaging springs 18
Sheathed setting has a spring push-plate 27, and the movable side of clutch-plate mounting cup 8, which has to the support direction of principal axis that reverses gear, extends what is formed
Spring mountings, support shaft of reversing gear 20 is set through spring mountings, and the left and right sides of spring push-plate 27 is each and spring mountings
Between be formed with a spring installation cavity and for installing clutch disengaging spring 18；Spring push-plate 27 deviates from power input shaft side
To side be connected with switching control unit.
So, the convenient installation and guiding to spring of structure for support shaft of reversing gear is make use of, makes its uniform stressed, to ensure
The stability and reliability of its work.Spring push-plate can also be avoided conveniently reversing gear the interference of support shaft simultaneously, will control force
End is outwards delivered on the outside of casing, sets switching control unit to realize switching control to facilitate.Symmetrically set in addition, spring is employed
Two stage clips put, make it in addition to it can provide shock-absorbing buffer protection function, can also produce following effect：Can when the 1st, assembling
To automatically adjust each parts member fabrication error of compensation by two springs in left and right so that clutch friction plate is not by during external force
In poised state and being capable of uniform stressed.2nd, when clutch-plate or so bonding position state switches, spring energy storage can be relied on, can be with
It is better achieved to the compression between friction plate.3rd, during clutch-plate or so bonding position state handover operation, spring can be relied on
The pretightning force of offer, to providing stroke compensation after clutch friction pad wear, to ensure the compression effect after friction disc wear.4、
After the external force revocation of switching control unit, it can be automatically reset by two spring drive activity clutch-plate mounting cups to centre
State, improves manipulation flexibility；Fixed simultaneously under this state between clutch-plate and movable clutch-plate and do not contact power transmission, stabilize to sky
Gear state, therefore the convenient conversion realized to vehicle neutral position state is manipulated.
Wherein, movable sleeve is gone back on the power input shaft at the two ends in clutch-plate vertically and is connected to a main clutch push-plate 49,
Main clutch push-plate 49 is arranged on inside movable clutch-plate mounting cup 8, and the main outer end of clutch push-plate 49 has vertically toward clutch-plate side
The clutch-plate formed to extension compresses force section；Also each it is socketed positioned at clutch-plate two ends on the power input shaft and is provided with one
Individual push-plate abuts cylinder 31, and the connecting cylinder 35 at the movable two ends of clutch-plate mounting cup 8 is actively socketed on push-plate and abutted outside cylinder 31, and push-plate is supported
Connecing cylinder 31 is used in the second half stroke of clutch switching control offset with the outside of main clutch push-plate the inner, and pushes away winner's clutch
The clutch-plate of disk outer end compresses force section and clutch-plate force is compressed.
So, in the first half term of clutch switching control, main clutch push-plate and movable clutch-plate mounting cup are servo-actuated；To clutch
The second half stroke time point of switching control（The concavo-convex connected structure of connecting cylinder outer end end face has begun to insert during the time point
Enter in the concavo-convex grafting fit structure of corresponding gear）When can abut the main clutch that prop up on front side of moving direction of cylinder by push-plate and push away
Disk so that the main clutch push-plate is no longer servo-actuated with movable clutch-plate mounting cup, and clutch-plate is compressed；So can be preferably real
Now to the compression of clutch-plate, had begun to mutually while can better ensure that and be located at concavo-convex connected structure to the compression of clutch-plate
After insertion, it is ensured that the stationarity and reliability of positive anti-switching.
When it is implemented, push-plate abutting cylinder 31 can be and corresponding rotating forward driving gear 36 and reversion driving gear 52
It is integrally formed and obtains, with convenient for assembly, certain split-type structural, which is fallen within, falls into the application protection domain.
Wherein, the switching control unit, including it is arranged on the fan-shaped control arm 26 of a clutch of box outer surface, clutch
Fan-shaped control arm 26 is installed in rotation on casing by horizontally disposed rotating shaft, the clutch sector lower end of control arm 26 and transverse direction
One gear control arm 28 of outer extension is connected, clutch sector control arm 26 upper surface is integrally curved and upper surface on there is edge
The engaging tooth that arc is set；Switching control unit also includes a clutch for clutch control swing pinion being installed in rotation on casing
24, clutch for clutch control swing pinion 24 is vertically installed and the engaging tooth of downside and the fan-shaped control arm of clutch is engaged, clutch for clutch control rotation
Vertically inner of gear 24 extend to box house and inner end face eccentric evagination be provided with clutch for clutch control output section, cut
Changing controlling organization also includes the spring push-plate 27, and spring push-plate 27 and the side of the movable opposite direction of clutch-plate mounting cup 8 are set
A vertical chute is equipped with, the clutch for clutch control output section of the inner eccentric setting of clutch for clutch control swing pinion 24 can vertically be slided
Coordinate dynamicly in chute.
So, the switching control unit of setting can rely on the drawing to gear control arm to push away control, realize fan-shaped to clutch
The rotation control of control arm, and then the rotation of clutch for clutch control swing pinion is controlled, it is inner by control clutch for clutch control swing pinion
Slip of the clutch for clutch control output section of eccentric setting in chute, transforms the rotation into the translation control vertically for spring push-plate,
And then control clutch to realize clutch, complete rotating and neutral switching control.Compact with simple and ingenious structure, control can
The advantages of by being quick on the draw.When it is implemented, the input of switching power can also be realized using other switching control units
And moment of torsion input is converted into translation input, moment of torsion and turn of translation are realized for example with gear and the structure of rack cooperation
Change, should be regarded as still falling within the application protection domain.
Wherein, the left and right sides of chute is provided with roller 25 and clutch for clutch control output section coordinates.Reduce frictional force, it is convenient from
Close control output section sliding up and down in chute.Certainly when it is implemented, equivalent replacement can also be done, for example, roller is replaced
Ball is changed to, or roller is set equal to the embodiment such as the left and right sides of clutch for clutch control output section and the cooperation of chute madial wall
Can.
Claims (10)
1. a kind of manual transmission, including casing, power input shaft and and biography parallel with power input shaft on casing
Coordinate on the speed change wheel shaft of dynamic connection, speed change wheel shaft by key and be axially slidably provided with change-speed gearing, casing to strain
Fast gear is provided with shift fork, and shift fork is connected with shifting commands input mechanism and can stir change-speed gearing on speed change wheel shaft along axle
It is effectively output gear at least with more than two gears, change-speed gearing is axially displaced extremely to different gears are moved to
Gear input gear engagement that can be with each effective output gear during different effective output gear, each gear input gear be used for
It is connected by the gear transmission mechanism of different drive ratios to vehicle to run driving wheel；Characterized in that, the power input
Be provided between axle and speed change wheel shaft rotating forward transfer gear train and reversion transfer gear train, rotate forward transfer gear train output end and
Speed change wheel shaft is connected and is used to drive speed change wheel shaft to rotate forward, and the output end of reversion transfer gear train is connected and is used for speed change wheel shaft
Drive speed change wheel shaft reverse turn；Be additionally provided with rotating switching control on the casing of power input shaft position, it is described just
Reversion switching control can control to rotate forward transfer gear train and invert the respective input of transfer gear train and power input
Axle switching is connected.
2. manual transmission as claimed in claim 1, it is characterised in that be rotatably mounted with casing left half output shaft and
Right half output shaft is used to be connected with vehicle to run driving wheel, and described left half output shaft and right half output shaft or so are just pair and coaxial line
Set and parallel with power input shaft, each gear transmission mechanism output end and one are rotatably provided on casing and defeated with power
Enter the parallel steering clutch support shaft of axle to be connected, each via a pair of engagement on the left and right halfbody for turning to clutch support shaft
Export active steering gear and export driven tooth sector and be connected respectively with left half output shaft and right half output shaft.
3. manual transmission as claimed in claim 2, it is characterised in that gear transmission mechanism includes a gear gear driver
Structure, two gear gear transmission mechanisms, three gear gear transmission mechanisms and four gear gear transmission mechanisms, the gear gear transmission mechanism bag
One one gear driven gear is included, a gear driven gear is arranged on the gear power transmission shaft that one and power input shaft be arranged in parallel,
The three-level driven tooth being fixedly installed in three-level driving gear and the steering clutch support shaft is fixedly installed on gear power transmission shaft
Take turns engaged transmission；Two gear gear transmission mechanisms include one two gear driven gear, and two gear driven gears are passed installed in the gear
On moving axis；Three gear gear transmission mechanisms include a three gear driving gears being rotatably sleeved on speed change wheel shaft, three gear masters
Moving gear is provided with ring gear and external tooth, the external tooth of three gear driving gears and one three gear driven gear engagement, three gear driven tooths
Wheel is arranged on the gear power transmission shaft；Four keep off four that gear transmission mechanisms include one and are rotatably sleeved on speed change wheel shaft
Driving gear is kept off, four gear driving gears are provided with ring gear and external tooth, the external tooth of four gear driving gears and one four gear driven tooth
Wheel engagement, four gear driven gears are arranged on the gear power transmission shaft；The change-speed gearing is four with two different external tooths
Fast gear duplicate gear, the external tooth of four-speed gear duplicate gear minor diameter is used for and a gear driven gear and three gear driving gears
Ring gear engaged transmission, the external tooth of four-speed gear duplicate gear major diameter is used for and two gear driven gears and four gear driving tooths
The ring gear engaged transmission of wheel.
4. manual transmission as claimed in claim 1, it is characterised in that the rotating forward transfer gear train includes one rotatably
Ground is set in the rotating forward driving gear and a rotating forward driven gear being arranged on speed change wheel shaft of power input shaft one end, rotates forward
Driving gear and rotating forward driven gear engaged transmission；It is defeated that the reversion transfer gear train is rotatably sleeved on power including one
Enter the reversion driving gear of the axle other end, in addition to installed in reverse gear support shaft in one parallel with power input shaft
Reverse gear duplicate gear and a driven gear that reverses gear being arranged on speed change wheel shaft, and the duplicate gear that reverses gear has two simultaneously
The external tooth of row is used for and inverted driving gear and driven gear engagement of reversing gear.
5. manual transmission as claimed in claim 4, it is characterised in that the rotating switching control, including formed
Arranged in coaxial sleeve on one section of clutch-plate construction section on power input shaft, clutch-plate construction section provided with some uniform intervals vertically
It is coaxial on the outside of the clutch-plate of cloth, clutch-plate to be socketed with the cylindrical movable clutch-plate mounting cup in an inner chamber, clutch-plate bag
Include staggeredly spaced fixed clutch-plate and movable clutch-plate, fixed clutch-plate the inner install be connected to power input shaft from
Close on piece construction section, movable clutch-plate outer end, which is installed, is connected to movable clutch-plate installation cover inner surface；Movable clutch-plate mounting cup
Left and right ends end face, which each stretches out, is formed with a connecting cylinder, and connecting cylinder outer end end face is concavo-convex connected structure；It is described just
The input for turning transfer gear train is the rotating forward driving gear for being rotatably sleeved on power input shaft one end, inverts travelling gear
The input of system rotates forward driving gear and reversion actively to be rotatably sleeved on power input shaft other end reversion driving gear
One end end face each faced on gear is provided with concave-convex fit structure；Between the fixed clutch-plate and movable clutch-plate are in
When released state, the concavo-convex grafting fit structure and rotating forward driving gear and reversion driving tooth of connecting cylinder outer end end face
The concave-convex fit structure of wheel end face is in released state, and the fixed clutch-plate and movable clutch-plate are in and are adjacent to bonding state
When, the concavo-convex grafting fit structure of connecting cylinder outer end end face and rotate forward the recessed of driving gear or reversion driving gear end face
Convex fit structure is in castellated mated condition；Rotating switching control also includes the switching control machine being arranged on casing
Structure, the switching control unit is used to control the left and right translation vertically of movable clutch-plate mounting cup and realizes fixed clutch-plate and work
The switching of left and right bonding position state between dynamic clutch-plate.
6. manual transmission as claimed in claim 5, it is characterised in that the clutch-plate construction section on the power input shaft is
One section of diameter is more than the enlarged diameter section of other positions.
7. manual transmission as claimed in claim 5, it is characterised in that rotating switching control is also including clutch point
From spring, the clutch disengaging spring acts axially on movable clutch-plate mounting cup and switching control unit along power input shaft
Output end between and transmit the active force of bonding position state switching in left and right between the fixed clutch-plate of control and movable clutch-plate.
8. manual transmission as claimed in claim 7, it is characterised in that the clutch disengaging spring is to be symmetrical set
Two reversed gear in the helical spring and being set in of compressive state outside support shaft, reversing gear between two clutch disengaging springs
The ground sheathed setting that can also be slid axially in support shaft has a spring push-plate, and movable clutch-plate mounting cup side has to reversing gear
Support direction of principal axis extends the spring mountings to be formed, and support shaft of reversing gear is set through spring mountings, the spring push-plate left and right sides
A spring installation cavity is each formed between spring mountings and for installing clutch disengaging spring；Spring push-plate deviates from
The side in power input shaft direction is connected with switching control unit.
9. manual transmission as claimed in claim 8, it is characterised in that the power input shaft at the two ends of clutch-plate vertically
On go back movable sleeve and be connected to a main clutch push-plate, main clutch push-plate is arranged on inside movable clutch-plate mounting cup, main clutch push-plate
Outer end has extends the clutch-plate to be formed compression force section toward clutch-plate direction vertically；It is located at clutch on the power input shaft
Piece two ends, which are also each socketed, is provided with a push-plate abutting cylinder, and the connecting cylinder at movable clutch-plate mounting cup two ends, which is actively socketed on, to be pushed away
Disk is abutted outside cylinder, and push-plate, which abuts cylinder, to be used in the second half stroke of clutch switching control and phase on the outside of main clutch push-plate the inner
Support, and the clutch-plate of winner's clutch push-plate outer end is compressed force section and clutch-plate force is compressed.
10. manual transmission as claimed in claim 8, it is characterised in that the switching control unit, including it is arranged on casing
The fan-shaped control arm of one clutch of outer surface, clutch sector control arm is installed in rotation on casing by horizontally disposed rotating shaft
On, clutch sector control arm lower end is connected with the gear control arm extended lateral out, and clutch sector control arm upper surface is whole
Body is curved and upper surface on there is the engaging tooth arcuately set；Switching control unit is also installed in rotation on including one
Clutch for clutch control swing pinion on casing, the vertical installation of clutch for clutch control swing pinion and the engagement of downside and the fan-shaped control arm of clutch
Tooth is engaged, clutch for clutch control swing pinion vertically inner extend to box house and inner end face eccentric evagination be provided with
Clutch for clutch control output section, switching control unit also includes the spring push-plate, and spring push-plate is opposite with movable clutch-plate mounting cup
The side in direction is provided with a vertical chute, the clutch for clutch control output of the inner eccentric setting of the clutch for clutch control swing pinion
Portion can coordinate in chute vertically slidablely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312503.6A CN107023647A (en) | 2017-05-05 | 2017-05-05 | A kind of manual transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312503.6A CN107023647A (en) | 2017-05-05 | 2017-05-05 | A kind of manual transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107023647A true CN107023647A (en) | 2017-08-08 |
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ID=59529384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710312503.6A Pending CN107023647A (en) | 2017-05-05 | 2017-05-05 | A kind of manual transmission |
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| Country | Link |
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| CN (1) | CN107023647A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816535A (en) * | 2017-11-24 | 2018-03-20 | 威马农机股份有限公司 | A kind of cultivator speed-changing box structure |
| CN110307303A (en) * | 2019-06-06 | 2019-10-08 | 丰疆智能科技研究院(常州)有限公司 | Agricultural machinery |
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| CN102705456A (en) * | 2012-06-11 | 2012-10-03 | 常州飞天齿轮有限公司 | Gearbox of hand tractor |
| CN102893758A (en) * | 2012-10-18 | 2013-01-30 | 山东常林农业装备股份有限公司 | Shuttle-type shift gearbox assembly for combined harvest machinery |
| CN204828545U (en) * | 2015-07-13 | 2015-12-02 | 山东常林农业装备股份有限公司 | Take steering axle's two to drive variable speed transmission device |
| CN206708343U (en) * | 2017-05-05 | 2017-12-05 | 杨书琼 | Manual transmission especially suitable for agricultural machinery |
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2017
- 2017-05-05 CN CN201710312503.6A patent/CN107023647A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705456A (en) * | 2012-06-11 | 2012-10-03 | 常州飞天齿轮有限公司 | Gearbox of hand tractor |
| CN102893758A (en) * | 2012-10-18 | 2013-01-30 | 山东常林农业装备股份有限公司 | Shuttle-type shift gearbox assembly for combined harvest machinery |
| CN204828545U (en) * | 2015-07-13 | 2015-12-02 | 山东常林农业装备股份有限公司 | Take steering axle's two to drive variable speed transmission device |
| CN206708343U (en) * | 2017-05-05 | 2017-12-05 | 杨书琼 | Manual transmission especially suitable for agricultural machinery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816535A (en) * | 2017-11-24 | 2018-03-20 | 威马农机股份有限公司 | A kind of cultivator speed-changing box structure |
| CN107816535B (en) * | 2017-11-24 | 2023-12-05 | 威马农机股份有限公司 | Gear box structure of cultivator |
| CN110307303A (en) * | 2019-06-06 | 2019-10-08 | 丰疆智能科技研究院(常州)有限公司 | Agricultural machinery |
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Inventor after: Hu Yunping Inventor before: Yang Shuqiong |
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Effective date of registration: 20180327 Address after: 401329 the Jiulongpo District of Chongqing Municipality Gu Zhen Han Road Applicant after: CHONGQING YUXIN PINRUI ELECTRONIC CO., LTD. Address before: 401329 Chongqing Jiulongpo Baishiyi town of Bailong Road No. 25 building 6 1 unit 5-1 Applicant before: Yang Shuqiong |
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