CN106763553A - A kind of many gear rotating speed change gears of twin shaft - Google Patents
A kind of many gear rotating speed change gears of twin shaft Download PDFInfo
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- CN106763553A CN106763553A CN201710178786.XA CN201710178786A CN106763553A CN 106763553 A CN106763553 A CN 106763553A CN 201710178786 A CN201710178786 A CN 201710178786A CN 106763553 A CN106763553 A CN 106763553A
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- gear
- shelves
- rotating shaft
- shift
- bevel gear
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/16—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion essentially with both gears that can be put out of gear and continuously-meshing gears that can be disengaged from their shafts
- F16H3/18—Gearings for reversal only
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
A kind of many gear rotating speed change gears of twin shaft,Including casing and the first rotating shaft being mounted side by side and the second rotating shaft,Also include straight trip shelves bevel gear,Reverse gear bevel gear,Input bevel gear and the multiple power input gears in the second rotating shaft,First rotating shaft is provided with to pass through to change and is engaged or out of mesh gear type shifter assemblies with any one in multiple power input gears,Shelves bevel gear is fixedly installed in first rotating shaft for straight trip,Bevel gear is rotatably sheathed in first rotating shaft reverse gear,Straight trip shelves bevel gear and reverse gear bevel gear are divided into input bevel gear both sides and are engaged with input bevel gear,Slide to be provided with reverse gear bevel gear and engaged or out of mesh back gear with least one of multiple power input gears,Many gear rotating switching mechanisms also include the reverse speed fork component for ordering about back gear slip.It has the advantages that axle and gear quantity is few, compact conformation, lightweight, low cost, easy for installation, wide adaptation range.
Description
Technical field
The present invention relates to transmission art field, and in particular to a kind of many gear rotating speed change gears of twin shaft.
Background technology
At present, the crawler tractor gearbox of in the market does not possess pivot stud function, caterpillar tractor speed change typically
Case generally realizes adjustable travel speed on a large scale using the design of hydraulic pump motor and mechanical gear shift one, there is gear and axle
Quantity it is many, system complex, high cost, gearbox is oversized, and fault rate is high, inconvenient operation, the defect such as adaptability is not strong.
Also, what the crawler tractor gearbox back axle of in the market had does not possess pivot stud function, although some gearbox back axles have
There is turning function, but its structure is numerous and diverse, and installation accuracy is high, difficulty is big so that presence high cost that gearbox is not avoided that,
The shortcomings of back axle bulk is excessive.Additionally, the crawler tractor transfer case shift mechanisms of in the market typically use three or three
Axle more than root, could realize multiple drive shifts and reverse gear, and the quantity of its gear and axle is more, directly results in speed change system and answers
Miscellaneous, high cost, overall dimension be big and the low problem of reliability.
The content of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of that prior art is present, there is provided a kind of axle and gear quantity
Less, compact conformation, lightweight, low cost, many gear rotating speed change gears of twin shaft easy for installation, wide adaptation range.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of many gear rotating speed change gears of twin shaft, including casing and the first rotating shaft and second that is mounted side by side in casing
Rotating shaft, is provided with many gear rotating switching mechanisms, many gear rotating conversions between the first rotating shaft and the second rotating shaft
Mechanism includes the input bevel gear that straight trip shelves bevel gear, reverse gear bevel gear be connected with power source and in the second rotating shaft
Multiple power input gears, the first rotating shaft is provided with any one that can pass through in conversion and multiple power input gears
Engagement or with the out of mesh gear type shifter assemblies of multiple power input gears, shelves bevel gear is fixedly installed in for the straight trip
In first rotating shaft, the reverse gear bevel gear is rotatably sheathed in first rotating shaft, and the straight trip shelves bevel gear and reverse gear bore tooth
Wheel is divided into input bevel gear both sides and is engaged with input bevel gear, and sliding to be provided with the reverse gear bevel gear can pass through to slide
It is dynamic engage at least one of with multiple power input gears or with the out of mesh back gear of multiple power input gears,
Many gear rotating switching mechanisms also include the reverse speed fork component for ordering about back gear slip.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that multiple power input gears be respectively a shelves gear,
Intermediate gear, third gear and fourth gear, the fixed installation of a shelves gear, intermediate gear, third gear and fourth gear
In the second rotating shaft, the gear type shifter assemblies include the first gear shift duplicate gear and the second gear shift duplicate gear, described the
One gear shift duplicate gear be slidedly arranged in first rotating shaft and can by slip select one engaged with a shelves gear and intermediate gear or with
One shelves gear and intermediate gear are not engaged, and the second gear shift duplicate gear is slidedly arranged in first rotating shaft and can be selected by slip
One engages with third gear and fourth gear or is not engaged with third gear and fourth gear, the gear type shifter assemblies
Also include being used for the first straight trip shelves pull-fork assembly for ordering about the slip of the first gear shift duplicate gear and for ordering about the second gear shift duplex
Second straight trip shelves pull-fork assembly of gears slip.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the first straight trip shelves pull-fork assembly, the second straight trip
Shelves pull-fork assembly and reverse speed fork component include shift fork and the selector shaft being slidedly arranged on casing, and the shift fork is fixed in selector shaft
On, the selector shaft is connected with a slip actuator.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the first straight trip shelves pull-fork assembly, the second straight trip
Shelves pull-fork assembly and reverse speed fork component are respectively provided with an independent selector shaft.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the selector shaft is slidably installed in and is fixed on casing
In slide, gear shift elastic positioning member is additionally provided between the selector shaft and slide.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the gear shift elastic positioning member includes compressing steel
Pearl and stage clip, the slide are provided with counterbore of the opening towards selector shaft, and stage clip and compression steel ball are installed in the counterbore successively
And stage clip makes compression steel ball be close to selector shaft, the selector shaft is provided with multiple positioning counterbores that steel ball is compressed for being pressed into.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that the first gear shift duplicate gear, the second gear shift are double
Connection gear and reverse gear bevel gear are equipped with draw-in groove, the first gear shift duplicate gear, the second gear shift duplicate gear and reverse gear cone tooth
Take turns corresponding shift fork and be provided with the U-shaped card being fastened in the draw-in groove.
The many gear rotating speed change gears of above-mentioned twin shaft, it is preferred that fixedly mounted in second rotating shaft dynamic defeated
Go out gear.
Compared with prior art, the advantage of the invention is that：In many gear rotating speed change gears of twin shaft of the invention, directly
Row shelves bevel gear and reverse gear bevel gear use coaxial design, and the power transmission of drive shift and reverse gear is carried out respectively, greatly simplify
Reverse gear mechanism, reduces the quantity of axle and gear, improves structural compactness and reduces cost；Also, using straight trip shelves
Two bevel gears of bevel gear and reverse gear bevel gear engage with input bevel gear, can preferably balance due to bevel gear engaged transmission
The axial force of generation, reduces the axial motion of first rotating shaft；Compared to existing logical function gear, many gears of the twin shaft are positive and negative
Transformation speed variator has axle and gear quantity is few, simple and compact for structure, lightweight, velocity adaptive scope wide, low cost of manufacture, peace
The advantages of facilitating is filled, in can be widely applied to the transmission system of caterpillar tractor.
Brief description of the drawings
Fig. 1 is the partial sectional view of many gear rotating speed change gears of twin shaft.
Fig. 2 is that the first straight trip shelves pull-fork assembly, the second straight trip shelves pull-fork assembly and reverse speed fork component are changed with first respectively
The partial sectional view that shelves duplicate gear, the second gear shift duplicate gear and back gear coordinate.
Fig. 3 is that the mounting structure of the first straight trip shelves pull-fork assembly, the second straight trip shelves pull-fork assembly and reverse speed fork component shows
It is intended to.
Marginal data：
100th, casing；501st, first rotating shaft；502nd, the second rotating shaft；503rd, a shelves gear；504th, intermediate gear；505th, third gear tooth
Wheel；506th, fourth gear；507th, the first gear shift duplicate gear；508th, the second gear shift duplicate gear；509th, keep straight on shelves bevel gear；
510th, reverse gear bevel gear；511st, it is input into bevel gear；512nd, back gear；513rd, the first straight trip shelves pull-fork assembly；514th, second is straight
Row shelves pull-fork assembly；515th, reverse speed fork component；521st, shift fork；522nd, selector shaft；601st, power output gear.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, many gear rotating speed change gears of the twin shaft of the present embodiment, including casing 100 and side by side
The rotating shaft 502 of first rotating shaft 501 and second in casing 100, is provided with many between the rotating shaft 502 of first rotating shaft 501 and second
Gear rotating switching mechanism, many gear rotating switching mechanisms include straight trip shelves bevel gear 509, reverse gear bevel gear 510 and move
Input bevel gear 511 and the multiple power input gears in the second rotating shaft 502 that power source is connected, first rotating shaft 501
Being provided with can pass through conversion and be engaged or with multiple power input gears not with any one in multiple power input gears
Meshed gears formula shifter assemblies, straight trip shelves bevel gear 509 is fixedly installed in first rotating shaft 501, and reverse gear bevel gear 510 can turn
Dynamic is sheathed in first rotating shaft 501, and straight trip shelves bevel gear 509 and reverse gear bevel gear 510 are divided into input bevel gear 511 both sides
And engaged with input bevel gear 511, being slided on reverse gear bevel gear 510 and be provided with back gear 512, back gear 512 can lead to
Slip is crossed to engage or do not engaged with multiple power input gears, many gears with multiple at least one of power input gears
Rotating switching mechanism also includes the reverse speed fork component 515 for ordering about the slip of back gear 512.
In the present embodiment, multiple power input gears are respectively a shelves gear 503, intermediate gear 504, third gear 505
With fourth gear 506, a shelves gear 503, intermediate gear 504, third gear 505 and fourth gear 506 are spaced successively vertically
It is fixedly mounted in the second rotating shaft 502, gear type shifter assemblies include the first gear shift duplicate gear 507 and the second gear shift duplex-gear
Wheel 508, the first gear shift duplicate gear 507 is slidedly arranged in first rotating shaft 501 vertically, and the first gear shift duplicate gear 507 can pass through
Slip select one engaged with any one in a shelves gear 503 and intermediate gear 504 or with a shelves gear 503 and intermediate gear
504 do not engage, and the second gear shift duplicate gear 508 is slidedly arranged in first rotating shaft 501 vertically, the second gear shift duplicate gear 508
Can by slide select one engaged with any one in third gear 505 and fourth gear 506 or with third gear 505 and four
Shelves gear 506 is not engaged, and gear type shifter assemblies also include straight for ordering about the first of the slip of the first gear shift duplicate gear 507
Row shelves pull-fork assembly 513 and the second straight trip shelves pull-fork assembly 514 for ordering about the slip of the second gear shift duplicate gear 508.This reality
Apply example to be arranged to back gear 512 only to be engaged with intermediate gear 504 by sliding or do not engaged, to realize passing through reverse gear tooth
Wheel 512 is by the power transmission of first rotating shaft 501 or is not passed to the second rotating shaft 502, namely back gear 512 only has by sliding
There are two states, first state is engaged with intermediate gear 504, and second state is not engaged with intermediate gear 504.At it
In his embodiment, back gear 512 can be also arranged to a shelves gear 503, third gear 505 and fourth gear 506 wherein
One cooperation is driven or is not driven；Or with a shelves gear 503, intermediate gear 504, third gear 505 and fourth gear
Two or more in 506 coordinates.
The two ends of the rotating shaft 502 of first rotating shaft 501 and second of the present embodiment are arranged on casing 100 by bearing assembly respectively
On, bearing assembly includes bearing and the end cap being fixedly mounted on casing 100, and the rotating shaft 502 of first rotating shaft 501 and second passes through axle
Hold in end cap, and sealing ring is provided between the rotating shaft 502 of first rotating shaft 501 and second and end cap.First gear shift is double
Connection gear 507, the second gear shift duplicate gear 508 are coordinated by spline and first rotating shaft 501, can be slided along first rotating shaft 501；
Bevel gear 510 is rotatably arranged in the second rotating shaft 502 shelves, and its axial two ends is respectively by located at the second rotating shaft 502
On semicircle back-up ring and the shaft shoulder it is spacing, back gear 512 by spline fitted be arranged on reverse gear bevel gear 510 on, can fall
Slid axially along the second rotating shaft 502 on shelves bevel gear 510；Straight trip shelves bevel gear 509 is arranged on the second rotating shaft by spline fitted
On 502, it is from the axial thrust load being input into when with bevel gear 511 and the shaft shoulder axially position in first rotating shaft 501.One grade
Gear 503, intermediate gear 504, third gear 505 and fourth gear 506 are arranged in the second rotating shaft 502 by spline fitted,
And a shelves gear 503, between intermediate gear 504, third gear 505 and fourth gear 506 axle is carried out using axial limit structure
To positioning.
Many gear rotating switching mechanisms can realize advance one grade, advance two grades, advance third gear, advance fourth gear, fall
Shelves and six conversions of gear of neutral gear.When one grade of gear is advanced, it is double that the first straight trip shelves pull-fork assembly 513 orders about the first gear shift
Connection gear 507 slides into its gear wheel and is engaged with a shelves gear 503, and it is double that the second straight trip shelves pull-fork assembly 514 orders about the second gear shift
Connection gear 508 slides into and is not engaged with third gear 505 and fourth gear 506, and reverse speed fork component 515 orders about back gear
512 do not engage with intermediate gear 504, after power is input to input bevel gear 511, then are transferred to directly by being input into bevel gear 511
Row shelves bevel gear 509 and reverse gear bevel gear 510, straight trip shelves bevel gear 509 and reverse gear bevel gear 510 are in input bevel gear 511
Be rotated by, both steering conversely, and reverse gear bevel gear 510 dallied in first rotating shaft 501, straight trip shelves bevel gear 509
With the synchronous rotation of first rotating shaft 501, now, the power of bevel gear 511 is input into successively through the shelves bevel gear 509 that keeps straight on, the
One rotating shaft 501, the gear wheel of the first gear shift duplicate gear 507 and a shelves gear 503 are transferred to the second rotating shaft 502.Advance two grades
It is change the sliding position of the first gear shift duplicate gear 507, i.e., the first straight trip shelves pull-fork assembly 513 on the basis of one grade to advance
Order about the first gear shift duplicate gear 507 and slide into its little gear and engaged with intermediate gear 504, be now input into the dynamic of bevel gear 511
Power is successively through shelves bevel gear 509, first rotating shaft 501, the little gear of the first gear shift duplicate gear 507 and the intermediate gear 504 of keeping straight on
It is transferred to the second rotating shaft 502.Advance third gear change the first gear shift duplicate gear 507 and second and change on the basis of one grade is advanced
The sliding position of shelves duplicate gear 508, i.e., the first straight trip shelves pull-fork assembly 513 orders about the first gear shift duplicate gear 507 and slides into
Do not engaged with a shelves gear 503 and intermediate gear 504, while the second straight trip shelves pull-fork assembly 514 orders about the second gear shift duplex
Gear 508 slides into its gear wheel and is engaged with third gear 505, and the power for being now input into bevel gear 511 is bored through shelves of keeping straight on successively
Gear 509, first rotating shaft 501, the gear wheel of the second gear shift duplicate gear 508 and third gear 505 are transferred to the second rotating shaft
502.Advance fourth gear is the sliding position for changing the second gear shift duplicate gear 508 on the basis of advance third gear, i.e., the second straight trip
Shelves pull-fork assembly 514 orders about the second gear shift duplicate gear 508 and slides into its little gear and engaged with fourth gear 506, is now input into
The power of bevel gear 511 is successively through the little gear of keep straight on shelves bevel gear 509, first rotating shaft 501, the second gear shift duplicate gear 508
The second rotating shaft 502 is transferred to fourth gear 506.Neutral gear be advance one grade on the basis of change the first gear shift duplicate gear
507 sliding position, i.e., the first straight trip shelves pull-fork assembly 513 orders about the first gear shift duplicate gear 507 and slides into and a shelves gear
503 and intermediate gear 504 do not engage, now be input into bevel gear 511 power be delivered to first rotating shaft 501 after be no longer transferred to
Second rotating shaft 502.In the gear of reverse gear, the first straight trip shelves pull-fork assembly 513 orders about the first gear shift duplicate gear 507 and slides into
Do not engaged with a shelves gear 503 and intermediate gear 504, the second straight trip shelves pull-fork assembly 514 orders about the second gear shift duplicate gear
508 slide into and are not engaged with third gear 505 and fourth gear 506, reverse speed fork component 515 order about back gear 512 with
Intermediate gear 504 is engaged, and is input into the power of bevel gear 511 successively through reverse gear bevel gear 510, back gear 512 and intermediate gear
504 are transferred to the second rotating shaft 502.
In many gear rotating speed change gears of twin shaft of the present embodiment, straight trip shelves bevel gear 509 and reverse gear bevel gear 510 are adopted
With coaxial design, the power transmission of drive shift and reverse gear is carried out respectively, greatly simplify reverse gear mechanism, reduce axle and gear
Quantity, improve structural compactness and reduce cost；Also, using 510 liang of straight trip shelves bevel gear 509 and reverse gear bevel gear
Individual bevel gear engages with input bevel gear 511, can preferably balance due to the axial force that bevel gear engaged transmission is produced, and reduces
The axial motion of first rotating shaft 501；Compared to existing logical function gear, many gear rotating speed change gears of the twin shaft have
Axle and gear quantity is few, simple and compact for structure, lightweight, velocity adaptive scope wide, low cost of manufacture, it is easy for installation the advantages of,
In can be widely applied to the transmission system of caterpillar tractor.
After above-mentioned many gear rotating switching mechanisms are combined with height quick change gear mechanism, 2 × 4 totally 8 can be further realized
Drive shift, high speed reverse, a low reverse gears and a neutral gear, namely height quick change gear mechanism is under high-speed drive state, moves
Power through height quick change gear mechanism and many gear rotating switching mechanisms can realize the different drive shift of four gearratios and one it is high
Fast reverse gear, height quick change gear mechanism under Low transmission state, through height quick change gear mechanism and many gear rotatings change by power
Mechanism can realize the different drive shift of four additional gearratio and a low reverse gears.Using many gear rotating switching mechanisms with
After the combination of height quick change gear mechanism, its gear is reasonable in design, easy to operate, can well adapt to each operating mode operation speed of agricultural machinery
The requirement of degree.
In the present embodiment, as shown in Figures 2 and 3, first the 513, second straight trip shelves of straight trip shelves pull-fork assembly pull-fork assembly 514
Include shift fork 521 and the selector shaft 522 being slidedly arranged on casing 100 with reverse speed fork component 515, shift fork 521 is fixed in gear shift
On axle 522, selector shaft 522 and slides actuator（Do not show in figure）It is connected, sliding actuator can use prior art, for example
Manual shifting mechanism of telescopic cylinder, telescopic oil cylinder and existing speed changer etc..Preferably, the first straight trip shelves pull-fork assembly 513,
Second straight trip shelves pull-fork assembly 514 and reverse speed fork component 515 are respectively provided with an independent selector shaft 522, namely first straight
The straight trip of row shelves pull-fork assembly 513, second shelves pull-fork assembly 514 and reverse speed fork component 515 include independent shift fork 521 and change
Shelves axle 522.In other embodiments, first the 513, second straight trip shelves of straight trip shelves pull-fork assembly pull-fork assembly 514 and reverse speed fork
Component 515 can also be using the pull-fork assembly of existing other forms.
Further, selector shaft 522 is slidably installed in the slide being fixed on casing 100, between selector shaft 522 and slide also
Gear shift elastic positioning member is provided with, for being positioned to shift fork 521 under each range state；Specifically, gear shift is flexibly positioned
Component includes compressing steel ball and stage clip, and slide is provided with counterbore of the opening towards selector shaft 522, and stage clip and compression steel ball are filled successively
It is located in the counterbore and stage clip makes compression steel ball be close to selector shaft 522, selector shaft 522 is provided with multiple for being pressed into compression steel
The positioning counterbore of pearl.When shift fork 521 slides control respective gears and is under each range state, compress steel ball and just correspond to pressure
Enter in one of positioning counterbore, so as to realize positioning shift fork 521 under the range state, prevent shift fork 521 random
It is mobile.By taking the first straight trip shelves pull-fork assembly 513 as an example, the straight trip shelves of correspondence first pull-fork assembly 513 is provided with three on selector shaft 522
Individual positioning counterbore, when shift fork 521 is in the first gear shift duplicate gear 507 is engaged with a shelves gear 503, compresses steel ball just
In first positioning counterbore of press-in, when shift fork 521 is in the first gear shift duplicate gear 507 is engaged with intermediate gear 504, pressure
Tight steel ball is just pressed into second positioning counterbore, and the first gear shift duplicate gear 507 and a shelves gear are made when shift fork 521 is in
503 and intermediate gear 504 when not engaging, compress steel ball and be just pressed into the 3rd positioning counterbore.
In the present embodiment, the first gear shift duplicate gear 507, the second gear shift duplicate gear 508 and back gear 512 are equipped with
Draw-in groove, the corresponding shift fork 521 of the first gear shift duplicate gear 507 be provided be fastened in it is U-shaped in the draw-in groove of the first gear shift duplicate gear 507
Card, the corresponding shift fork 521 of the second gear shift duplicate gear 508 be provided be fastened in it is U-shaped in the draw-in groove of the second gear shift duplicate gear 508
Card, the corresponding shift fork 521 of back gear 512 is provided with the U-shaped card being fastened in the draw-in groove of back gear 512, and shift fork 521 is along gear shift
Axle 522 can accordingly stir the first gear shift duplicate gear 507, the second gear shift duplicate gear 508 and the edge of back gear 512 when sliding
First rotating shaft 501 is slided.This kind of shift fork 521 is connected the structure type for coordinating with respective gears to be had simple structure, makes assembling
Easily, advantage stable and reliable in work.
In the present embodiment, power output gear 601 is also installed with the second rotating shaft 502, for being nibbled with outer gear
Close output power.Power output gear 601 is arranged in the second rotating shaft 502 by spline fitted, 503, two grades of a shelves gear tooth
Wheel 504, third gear 505, fourth gear 506 and power output gear 601 are entered in the second rotating shaft 502 by bushing and bearing
Row axially position.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, the improvement and change resulting in the case where the technology of the present invention concept thereof is not departed from
Change and also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of many gear rotating speed change gears of twin shaft, including casing（100）And it is mounted side by side on casing（100）In
One rotating shaft（501）With the second rotating shaft（502）, the first rotating shaft（501）With the second rotating shaft（502）Between to be provided with many gears positive and negative
Walk around converting mechanism, it is characterised in that：Many gear rotating switching mechanisms include straight trip shelves bevel gear（509）, reverse gear cone tooth
Wheel（510）The input bevel gear being connected with power source（511）And installed in the second rotating shaft（502）On multiple power input
Gear, the first rotating shaft（501）Be provided with can pass through conversion with multiple power input gears in any one engage or
With the out of mesh gear type shifter assemblies of multiple power input gears, the straight trip shelves bevel gear（509）It is fixedly installed in
One rotating shaft（501）On, the reverse gear bevel gear（510）Rotatably it is sheathed on first rotating shaft（501）On, the straight trip shelves cone tooth
Wheel（509）With reverse gear bevel gear（510）It is divided into input bevel gear（511）Both sides and with input bevel gear（511）Engagement, institute
State reverse gear bevel gear（510）Upper slip be provided with can be engaged with multiple at least one of power input gears by sliding or
With the out of mesh back gear of multiple power input gears（512）, many gear rotating switching mechanisms are also including being used for
Order about back gear（512）The reverse speed fork component of slip（515）.
2. many gear rotating speed change gears of twin shaft according to claim 1, it is characterised in that：Multiple power input gears
A respectively shelves gear（503）, intermediate gear（504）, third gear（505）And fourth gear（506）, a shelves gear
（503）, intermediate gear（504）, third gear（505）And fourth gear（506）It is fixedly mounted on the second rotating shaft（502）On, institute
Stating gear type shifter assemblies includes the first gear shift duplicate gear（507）With the second gear shift duplicate gear（508）, first gear shift
Duplicate gear（507）It is slidedly arranged on first rotating shaft（501）Go up and one and one shelves gear can be selected by slip（503）And intermediate gear
（504）Engagement or with a shelves gear（503）And intermediate gear（504）Do not engage, the second gear shift duplicate gear（508）
It is slidedly arranged on first rotating shaft（501）Go up and one and third gear can be selected by slip（505）And fourth gear（506）Engagement or with
Third gear（505）And fourth gear（506）Do not engage, the gear type shifter assemblies are also included for ordering about the first gear shift
Duplicate gear（507）The the first straight trip shelves pull-fork assembly for sliding（513）With for ordering about the second gear shift duplicate gear（508）Slide
Second straight trip shelves pull-fork assembly（514）.
3. many gear rotating speed change gears of twin shaft according to claim 2, it is characterised in that：The first straight trip shelves are dialled
Fork component（513）, second straight trip shelves pull-fork assembly（514）With reverse speed fork component（515）Include shift fork（521）Be slidedly arranged on
Casing（100）On selector shaft（522）, the shift fork（521）It is fixed in selector shaft（522）On, the selector shaft（522）With one
Actuator is slided to be connected.
4. many gear rotating speed change gears of twin shaft according to claim 3, it is characterised in that：The first straight trip shelves are dialled
Fork component（513）, second straight trip shelves pull-fork assembly（514）With reverse speed fork component（515）It is respectively provided with an independent gear shift
Axle（522）.
5. many gear rotating speed change gears of twin shaft according to claim 3, it is characterised in that：The selector shaft（522）
It is slidably installed in and is fixed in casing（100）On slide in, the selector shaft（522）Flexibly positioned group of gear shift is additionally provided between slide
Part.
6. many gear rotating speed change gears of twin shaft according to claim 5, it is characterised in that：The gear shift is flexibly positioned
Component includes compressing steel ball and stage clip, and the slide is provided with opening towards selector shaft（522）Counterbore, stage clip and compress steel ball according to
It is secondary to be installed in the counterbore and stage clip makes compression steel ball be close to selector shaft（522）, the selector shaft（522）It is provided with multiple use
The positioning counterbore of steel ball is compressed in press-in.
7. many gear rotating speed change gears of twin shaft according to claim 3, it is characterised in that：The first gear shift duplex
Gear（507）, the second gear shift duplicate gear（508）With reverse gear bevel gear（510）It is equipped with draw-in groove, the first gear shift duplex-gear
Wheel（507）, the second gear shift duplicate gear（508）With reverse gear bevel gear（510）Corresponding shift fork（521）It is provided with and is fastened in the card
U-shaped card in groove.
8. many gear rotating speed change gears of twin shaft according to any one of claim 1 to 7, it is characterised in that：It is described
Second rotating shaft（502）On be installed with power output gear（601）.
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| CN201710178786.XA CN106763553B (en) | 2017-03-23 | 2017-03-23 | A kind of more gear rotating speed change gears of twin shaft |
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| CN201710178786.XA CN106763553B (en) | 2017-03-23 | 2017-03-23 | A kind of more gear rotating speed change gears of twin shaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824316A (en) * | 2018-09-11 | 2018-11-16 | 辽宁健德电动环卫车辆科技有限公司 | A kind of multifunctional ceiling sweeps the electric cleaning car of convolution |
| CN111219457A (en) * | 2020-03-07 | 2020-06-02 | 西北工业大学 | Gear transmission device for rapid reversing |
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| CN206694510U (en) * | 2017-03-23 | 2017-12-01 | 湖南农业大学 | A kind of more gear rotating speed change gears of twin shaft |
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| SE8501091L (en) * | 1984-03-08 | 1985-09-09 | Kanzaki Kokyukoki Mfg Co Ltd | FOR BATAR PROVIDED DEVICE |
| CN2350242Y (en) * | 1998-12-25 | 1999-11-24 | 安徽六安手扶拖拉机厂 | Tractor speed change box |
| CN203289918U (en) * | 2013-03-08 | 2013-11-20 | 山东常林农业装备股份有限公司 | Transmission assembly for harvest machine |
| CN203946233U (en) * | 2014-05-20 | 2014-11-19 | 重庆动霸科技有限公司 | Preposition three shift transmissions of motor-tricycle |
| CN104141749A (en) * | 2014-07-25 | 2014-11-12 | 湖南农业大学 | Hydraulic control continuously variable transmission for mechanical direct-drive tracked vehicle |
| CN206694510U (en) * | 2017-03-23 | 2017-12-01 | 湖南农业大学 | A kind of more gear rotating speed change gears of twin shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108824316A (en) * | 2018-09-11 | 2018-11-16 | 辽宁健德电动环卫车辆科技有限公司 | A kind of multifunctional ceiling sweeps the electric cleaning car of convolution |
| CN111219457A (en) * | 2020-03-07 | 2020-06-02 | 西北工业大学 | Gear transmission device for rapid reversing |
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|---|---|
| CN106763553B (en) | 2018-06-12 |
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Application publication date: 20170531 Assignee: JISHOU ZONGNAN HEAVY INDUSTRY Co.,Ltd. Assignor: Hunan Agricultural University Contract record no.: X2021980003520 Denomination of invention: A dual shaft multi gear forward and reverse speed change device Granted publication date: 20180612 License type: Common License Record date: 20210514 |
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Application publication date: 20170531 Assignee: HUNAN NONGFU ELECTROMECHANICAL Co.,Ltd. Assignor: Hunan Agricultural University Contract record no.: X2022980005563 Denomination of invention: A double shaft multi gear forward and reverse speed change device Granted publication date: 20180612 License type: Common License Record date: 20220518 |
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Application publication date: 20170531 Assignee: CHANGSHA SUNLIGHT AGRICULTUREMACHINERY FACILITIES Co.,Ltd. Assignor: Hunan Agricultural University Contract record no.: X2023980041573 Denomination of invention: A dual axis and multi gear forward and reverse transmission device Granted publication date: 20180612 License type: Common License Record date: 20230914 |
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