CN106481755A - A kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel - Google Patents
A kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel Download PDFInfo
- Publication number
- CN106481755A CN106481755A CN201611193333.6A CN201611193333A CN106481755A CN 106481755 A CN106481755 A CN 106481755A CN 201611193333 A CN201611193333 A CN 201611193333A CN 106481755 A CN106481755 A CN 106481755A
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- China
- Prior art keywords
- pallet piece
- ratchet
- statement
- federally sponsored
- centre wheel
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
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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
- 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
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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 fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel, including：Power input, central shaft, ratchet sleeve and gear, the gear include：Number set automatic centrifugation shifter and number set planetary transmission, often covering planetary transmission includes：Gear ring, centre wheel, planet carrier and planetary gear, in per two sets of adjacent planetary transmissions, the gear ring of wherein a set of planetary transmission forms a sub-assembly with the planet carrier of another set of planetary transmission, the power input is installed on ratchet sleeve, the power input is integrally formed with ratchet sleeve or is fixedly connected, the planet carrier of the wherein a set of planetary transmission in number set planetary transmission is fixedly connected with central shaft or is integrally formed, freewheel clutch is provided between the gear ring of the most end planetary transmission and the ratchet sleeve inwall, often set automatic centrifugation shifter includes pallet piece frame, ratchet and at least one pallet piece, so as to the requirement to stepping on frequency can be reduced when medium-to-high grade.
Description
【Technical field】
The present invention relates to technical field of bicycles, and in particular to a kind of fixed Two-wheeled multi gear fully-automatic conversion of centre wheel
Fast device.
【Background technology】
Bicycle speed-varying unit is divided into internal speed changer and two kinds of outer speed changer, and outer speed changer is to be using open link chain mechanism
Transmission system, realizes different chains by stirring the selector being installed in front of bicycle and transforming to chain on different flywheels
Bar gearratio, as outer speed changer is exposed outside, is therefore easier to get rusty, and is easily disturbed by external force, so warp
Periodic maintenance is often needed to maintain, internal speed changer is sealed in ratchet sleeve mainly using planetary gears as transmission main body
Portion, through multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, therefore without the need for time-based maintenance, realizes
Exempt from the advantage that maintains.The following defect of existing in the art internal speed changer generally existing：1st, hand shift is needed, it is impossible to realize certainly
Move shelves；2nd, when internal speed changer is shifted to top gear, if step on frequency reduced, then speed changer is difficult to hold in top gear,
3rd, gear is relatively fewer, it is impossible to realize multi gear speed change.
Therefore, it is necessary to provide a kind of centre wheel for solving above-mentioned technical problem fixed Two-wheeled multi gear fully-automatic conversion
Fast device.
【Content of the invention】
For solving the above problems, it is an object of the invention to provide a kind of reduce to step on frequency require centre wheel fixed
Two-wheeled multi gear fully-automatic gearbox.
For achieving the above object, the technical scheme that the present invention takes is：A kind of fixed Two-wheeled multi gear of centre wheel is complete
Automatic transmission, including：Power input, central shaft, ratchet sleeve and the gear being arranged between central shaft and ratchet sleeve,
The gear includes：The planetary transmission that number set automatic centrifugation shifter and number set are arranged side by side, often covers planet speed-change
Device includes：Gear ring, centre wheel, planet carrier and planetary gear, the centre wheel are sheathed on central shaft and are mutually fixed with vehicle frame, number set
The centre wheel of planetary transmission is integrally formed or is provided separately, and in every two sets of adjacent planetary transmissions, wherein a set of planet becomes
The gear ring of fast device forms a sub-assembly with the planet carrier of another set of planetary transmission, and the power input is installed on ratchet sleeve
On, the planet carrier of the wherein a set of planetary transmission in number set planetary transmission is fixedly connected with central shaft or is integrally formed, institute
State between the most gear ring of end planetary transmission and the ratchet sleeve inwall and freewheel clutch is provided with, often cover automatic centrifugation gear shift machine
Structure includes pallet piece frame, ratchet and at least one pallet piece, and the pallet piece sets up and is placed on sub-assembly or on planet carrier, described
Ratchet is arranged in ratchet sleeve.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：The pallet piece is installed on pallet piece frame by the first connector, described often set automatic centrifugation gearshift also include to
A few STATEMENT OF FEDERALLY SPONSORED, the STATEMENT OF FEDERALLY SPONSORED are installed on pallet piece frame by the second connector, and the pallet piece and STATEMENT OF FEDERALLY SPONSORED are being justified
It is set in distance in circumferential direction, the pallet piece includes first end, the second end and is arranged at first end and the second end
Between the first installation portion, be provided with the ratchet portion matched with ratchet, institute at the outer wall of the second end of at least one pallet piece
The first installation portion for stating pallet piece is provided with the first installing hole for installing the first connector, and the STATEMENT OF FEDERALLY SPONSORED includes the 3rd end
Portion, the 4th end and the second installation portion being arranged between the 3rd end and the 4th end, the second installation portion of the STATEMENT OF FEDERALLY SPONSORED
The second installing hole being provided with for installing the second connector, the 3rd end of the second end of the pallet piece and/or STATEMENT OF FEDERALLY SPONSORED
Balancing weight is provided with, and the inner side of pallet piece the second end is limited in along the 3rd end of STATEMENT OF FEDERALLY SPONSORED described in radial direction, along radius side
To the 4th end of the STATEMENT OF FEDERALLY SPONSORED be limited in pallet piece first end inner side or along pallet piece described in radial direction first
End is limited in the inner side of the 4th end of STATEMENT OF FEDERALLY SPONSORED, the second end of the pallet piece and is limited in the 3rd end of STATEMENT OF FEDERALLY SPONSORED
Inner side, the elastic component being provided with the pallet piece frame or in STATEMENT OF FEDERALLY SPONSORED or on pallet piece for controlling pallet piece initial position.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：The pallet piece is installed on pallet piece frame by the first connector, described often set automatic centrifugation gearshift also include to
A few STATEMENT OF FEDERALLY SPONSORED, one end of the STATEMENT OF FEDERALLY SPONSORED and adjacent one of pallet piece are flexibly connected, the STATEMENT OF FEDERALLY SPONSORED another
End is flexibly connected with another adjacent pallet piece, and the pallet piece and STATEMENT OF FEDERALLY SPONSORED are set in distance in a circumferential direction, institute
Stating pallet piece includes first end, the second end and the first installation portion being arranged between first end and the second end, described
The second end of pallet piece is provided with balancing weight, is provided with and matches with ratchet at the outer wall of the second end of at least one pallet piece
Ratchet portion, the first installation portion of the pallet piece are provided with the first installing hole for installing the first connector, the pallet piece frame
On elastic component for controlling pallet piece initial position is installed.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：The pallet piece frame includes：Several mounting seats that circular base portion and the outer wall from circular base portion stretch out, described
Moving part and centrifugal ratchet part are respectively arranged in mounting seat.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：The elastic component is torsion spring, spring or spring leaf, and the first described connector, the second connector are pin.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：The pallet piece is in that involute shape or arc shaped are arranged with the mating surface of STATEMENT OF FEDERALLY SPONSORED.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：One end of the ratchet sleeve is provided with first and tight part and second and tight part, and described first simultaneously tightly passes through between part and centre wheel
Spline connection, described first and tight connected by bearing or ball between part and ratchet sleeve, described second and tight part and first simultaneously
Connected by bearing or ball between tight part.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：One end of the central shaft is provided with boss, is connected by bearing or ball between the boss and power input.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：Freewheel clutch is provided between the power input and ratchet sleeve.
Preferably, a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is arranged further
For：The central shaft is hollow object and is fixedly connected with the housing of differential mechanism.
Compared with prior art, the present invention has the advantages that：The fixed Two-wheeled of centre wheel in the present invention
Multi gear fully-automatic gearbox compact conformation, easy for installation, transmission efficiency, gear shift are firm, speed change is stable, by speed changer
Number set automatic centrifugation shifter is set, so as to can achieve automatic speed-changing, by increasing and decreasing automatic centrifugation gear shift in gear
Realizing multi gear speed change, in addition the speed changer in the present invention can reduce to stepping on when medium-to-high grade the quantity of mechanism and planetary transmission
The requirement of frequency, so that it is lighter to ride.
【Description of the drawings】
Fig. 1 is the main structure diagram of fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 2 is the decomposition texture schematic diagram of fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 3 is the cross section structure diagram of fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 4 is the structural representation of the first automatic centrifugation shifter in the embodiment of the present invention 1.
Fig. 5 is the cross section structure diagram of fully-automatic gearbox in the embodiment of the present invention 2.
In Fig. 1 to Fig. 5：1st, power input, 2, central shaft, 20, boss, 3, ratchet sleeve, 4, automatic centrifugation shifter,
40th, the first automatic centrifugation shifter, the 400, first pallet piece frame, 4000, elastic component, the 401, first pallet piece, 4010, first
End, 4011, the second end, the 4012, first installation portion, 4013, ratchet portion, the 402, first STATEMENT OF FEDERALLY SPONSORED, the 4020, the 3rd end,
4021st, the 4th end, the 4022, second installation portion, the 403, first ratchet, the 41, second automatic centrifugation shifter, the 410, second spine
Bluff piece frame, the 411, second pallet piece, the 412, second STATEMENT OF FEDERALLY SPONSORED, the 413, second ratchet, the 42, the 3rd automatic centrifugation shifter,
420th, the 3rd pallet piece frame, the 421, the 3rd pallet piece, the 422, the 3rd STATEMENT OF FEDERALLY SPONSORED, the 423, the 3rd ratchet, 5, planetary transmission, 50,
First planet speed changer, the 500, first gear ring, the 501, first centre wheel, 502, the first row carrier, 503, the first row star-wheel, 51,
Second planetary transmission, the 510, second gear ring, the 511, second centre wheel, the 512, second planet carrier, the 513, second planetary gear, 52,
Third planet speed changer, the 520, the 3rd gear ring, the 521, the 3rd centre wheel, 522, the third line carrier, 523, the third line star-wheel, 6, super
More clutch, 60, ratchet, 61, ratchet, 7, first and tight part, 8, second and tight part.
【Specific embodiment】
Below by specific embodiment to a kind of fixed Two-wheeled multi gear fully-automatic conversion of centre wheel of the present invention
Fast device is described in further detail.
Embodiment 1
Join shown in Fig. 1 to Fig. 4, the fixed Two-wheeled multi gear fully-automatic gearbox of the centre wheel in the present invention includes：Dynamic
Power input component 1, central shaft 2, ratchet sleeve 3 and the gear being arranged between ratchet sleeve 3 and central shaft 2, the power input
Part 1 is fixedly connected with ratchet sleeve 3, certainly in other implementations, also may be used between the power input 1 and ratchet sleeve 3
Freewheel clutch is set, so as to ensure that ratchet sleeve 3 can be in rotation status when power input 1 shuts down.The speed change
Mechanism includes number set automatic centrifugation shifter 4 and number set planetary transmission 5, is to realize four-speed gear shift in the present embodiment,
Therefore three sets of automatic centrifugation shifters and three sets of planetary transmissions are set altogether, certainly in other implementations, can basis
The gear number set required for concrete is increasing and decreasing the quantity of automatic centrifugation shifter and planetary transmission.
The planetary transmission 5 includes first planet speed changer 50, the second planetary transmission for setting gradually from right to left
51 and third planet speed changer 52, the first planet speed changer 50 includes the first gear ring 500, the first centre wheel 501, the first row
Carrier 502 and the first row star-wheel 503, second planetary transmission 51 include the second gear ring 510, the second centre wheel 511, second
Planet carrier 512 and the second planetary gear 513, the third planet speed changer 52 include the 3rd gear ring 520, the 3rd centre wheel 521,
Three planet carriers 522 and the third line star-wheel 523, first gear ring 500 are integrally formed with the second planet carrier 512 and to form first and combine
Part, second gear ring 510 are integrally formed to form the second sub-assembly with the third line carrier 522, the first row carrier 502 with
Heart axle 2 passes through spline connection, and first centre wheel 501, the second centre wheel 511 and the 3rd centre wheel 521 are integrally formed.
The automatic centrifugation shifter 4 includes the first automatic centrifugation shifter 40, the second automatic centrifugation shifter
41 and the 3rd automatic centrifugation shifter 42, the first automatic centrifugation shifter 40 includes：First pallet piece frame 400, number
Individual first pallet piece 401, several first STATEMENT OF FEDERALLY SPONSORED 402 and the first ratchet 403, the first pallet piece frame 400 include：Circular
Several mounting seats that base portion and the outer wall from circular base portion stretch out, first STATEMENT OF FEDERALLY SPONSORED 402 and the first pallet piece 401
It is respectively arranged in mounting seat.Certainly in other embodiments, it is not provided with the first STATEMENT OF FEDERALLY SPONSORED 402 or only arranges one first
Moving part 402 only arranges first pallet piece 401, can equally realize the present invention.The first pallet piece frame 400 and first
Planet carrier 502 is integrally formed, first ratchet 403 be arranged at the right end position of 3 inwall of ratchet sleeve and with the one of ratchet sleeve 3
Shaping, first pallet piece 401 are installed on the first pallet piece frame 400 by pin, and first STATEMENT OF FEDERALLY SPONSORED 402 is pacified by pin
Loaded on the first pallet piece frame 400, several first pallet pieces 401 and several first STATEMENT OF FEDERALLY SPONSORED 402 are in a circumferential direction
Interval setting, first pallet piece 401 include first end 4010, the second end 4011 and be arranged at first end 4010 with
The first installation portion 4012 between the second end 4011, the first installation portion 4012 of first pallet piece 401 are provided with for pacifying
Dress pin the first installing hole, in the present embodiment, be equipped with the outer wall of each 401 the second end 4011 of the first pallet piece with
The ratchet portion 4013 that first ratchet 403 matches, certainly in other embodiments, it is also possible to the first pallet piece of only one of which
The ratchet portion 4013 matched with the first ratchet 403, or only two first are provided with the outer wall of 401 the second end 4011
The ratchet portion 4013 matched with the first ratchet 403 is provided with the outer wall of the second end 4011 of pallet piece 401, equally can be real
The existing present invention.First STATEMENT OF FEDERALLY SPONSORED 402 include the 3rd end 4020, the 4th end 4021 and be arranged at the 3rd end 4020 with
The second installation portion 4022 between 4th end 4021, the second installation portion 4022 of first STATEMENT OF FEDERALLY SPONSORED 402 are provided with for pacifying
Second installing hole of dress pin, the 3rd end 4020 of the second end 4011 of first pallet piece 401 and the first STATEMENT OF FEDERALLY SPONSORED 402
Balancing weight is provided with, and 401 second end of the first pallet piece is limited in along the 3rd end 4020 of the first STATEMENT OF FEDERALLY SPONSORED 402 described in radial direction
The inner side in portion 4011, is limited in the first pallet piece 401 first along the 4th end 4021 of the first STATEMENT OF FEDERALLY SPONSORED 402 described in radial direction
The inner side of end 4010, so arranges and is advantageous in that not only pallet piece can produce centrifugal force, and STATEMENT OF FEDERALLY SPONSORED also can produce centrifugal force,
So as to substantially increase the centrifugal force of centrifugal mechanism so that the more miniaturization that whole centrifugal mechanism can be arranged, while this kind
The centrifugal mechanism of structure can arrange more centrifugal ratchet quantity, so that stability is higher when whole centrifugal mechanism works.
The elastic component 4000 being provided with the first pallet piece frame 400 for controlling 401 initial position of the first pallet piece, the elasticity
Part can be torsion spring, spring or spring leaf, and certainly in other implementations, the elastic component 4000 may be mounted at first
On pallet piece 401 or in the first STATEMENT OF FEDERALLY SPONSORED 402, the present invention can be equally realized.First pallet piece 401 and the first STATEMENT OF FEDERALLY SPONSORED
402 mating surface is in involute shape or arc shaped is arranged, and so arranges and is advantageous in that：Pendulum angle and the connection of pallet piece can be made
The pendulum angle of moving part is consistent.The second automatic centrifugation shifter 41 includes：Second pallet piece frame 410, Shuo Ge
Two pallet pieces 411, several second STATEMENT OF FEDERALLY SPONSORED 412 and the second ratchet 413, the second pallet piece frame 410 and the second planet carrier 512
It is fixedly connected, second ratchet 413 is arranged at the middle position of 3 inwall of ratchet sleeve and is integrally formed with ratchet sleeve 3, described
3rd automatic centrifugation shifter 42 includes：3rd pallet piece frame 420, several 3rd pallet pieces 421, several 3rd STATEMENT OF FEDERALLY SPONSORED
422 and the 3rd ratchet 423, the 3rd pallet piece frame 420 is fixedly connected with the third line carrier 522, and the 3rd ratchet 423 sets
It is placed in ratchet sleeve 3 and is integrally formed with ratchet sleeve 3.The second automatic centrifugation shifter 41 and the 3rd automatic centrifugation gear shift
The structure of mechanism 42 is all identical with the structure of the first automatic centrifugation shifter 40.Certainly in other implementations, automatically
Centrifugation gearshift it is also possible that structure, one end of the STATEMENT OF FEDERALLY SPONSORED and the activity of adjacent one of pallet piece are even
Connect, the other end of the STATEMENT OF FEDERALLY SPONSORED is flexibly connected with another adjacent pallet piece, i.e., STATEMENT OF FEDERALLY SPONSORED can be by two ends bending
Mode pallet piece adjacent with two respectively constitutes flexible connection or STATEMENT OF FEDERALLY SPONSORED directly passes through the pin pallet piece adjacent with two
Constitute and be flexibly connected, now STATEMENT OF FEDERALLY SPONSORED plays linkage effect equivalent to balancing pull rod, equally implement the present invention.
Freewheel clutch 6 is provided between 3rd gear ring 520 and the left end inwall of ratchet sleeve 3, the freewheel clutch 6
Including：Ratchet 60 and ratchet 61, in the present embodiment, the ratchet 60 is arranged on the 3rd gear ring 520, and ratchet 61 is arranged at
In ratchet sleeve 3, certainly in other implementations, the ratchet 60 is may also set up in ratchet sleeve 3, and ratchet 61 may also set up
On the 3rd gear ring 520, the present invention can be equally realized.
One end of the ratchet sleeve 3 is provided with first and tight part 7 and second tight part 8, and described first and tight part 7 and centre wheel
Between pass through spline connection, described first simultaneously tightly is connected by bearing or ball between part 7 and ratchet sleeve 3, and described second simultaneously tightly
Part 8 is connected by bearing or ball with first and between tight part 7.One end of the central shaft 2 is provided with boss 20, the boss 20
It is connected by bearing or ball between power input 1.
In the present embodiment, the operation principle of speed changer is：Described first and tight part 7 be fixedly connected with vehicle frame, described surmount from
The ratchet 60 of clutch 6 is normally open, i.e., the 3rd gear ring 520 remains engagement with ratchet sleeve 3, the change in the present embodiment
Four-speed gear shift realized altogether by fast device, and during one-level low or first gear, power is input into by power input 1, due to power input 1 and ratchet sleeve
3 are integrally formed, and ratchet sleeve 3 is meshed with the 3rd gear ring 520 again, and therefore power is transferred to the 3rd gear ring 520, by third planet
The transmission of wheel 523, then the third line carrier 522 is delivered power to, as the third line carrier 522 is integrally become with the second gear ring 510
Type, the second gear ring 510 deliver power to the second planet carrier 512 further through the transmission of the second planetary gear 513, due to the second planet
Frame 512 is integrally formed with the first gear ring 500, and by the transmission of the first row star-wheel 503, the first gear ring 500 delivers power to
One planet carrier 502, as the first row carrier 502 is fixedly connected with central shaft 2, therefore final power be transferred to central shaft 2 and by
Central shaft 2 carries out power output.With the lifting of 1 speed of power input, the 3rd spine in the 3rd automatic centrifugation shifter 42
The balancing weight end of bluff piece 421 produces centrifugal force and moves along the direction away from axle center, the ratchet portion due to the 3rd pallet piece 421 with join
Pouring weight is installed on same one end, therefore, ratchet portion also along moving away from the direction in axle center, so as to ratchet sleeve 3 in the 3rd ratchet
423 are meshed, and when the 3rd pallet piece 421 is meshed with ratchet sleeve 3, the freewheel clutch is servo-actuated state, and power is by power
Input component 1 is input into, and as power input 1 is integrally formed with ratchet sleeve 3, ratchet sleeve 3 is meshed with the 3rd pallet piece 421, the
Three pallet pieces 421 are installed on the 3rd pallet piece frame 420, and the 3rd pallet piece frame 420 is integrally formed with the third line carrier 522 again,
Therefore power is transferred to the third line carrier 522, as the third line carrier 522 is integrally formed with the second gear ring 510, by the second row
The transmission of star-wheel 513, the second gear ring 510 deliver power to the second planet carrier 512, due to the second planet carrier 512 and the first tooth
Circle 500 is integrally formed, and by the transmission of the first row star-wheel 503, the first gear ring 500 delivers power to the first row carrier 502, by
It is fixedly connected with central shaft 2 in the first row carrier 502, therefore power is finally transferred to central shaft 2 and enters action edge by central shaft 2
Output, realizes two grades of mid rangers, when 1 speed of power input is lifted again, second in the second automatic centrifugation shifter 41
The balancing weight end of pallet piece 411 produces centrifugal force and moves along the direction away from axle center, due to the second pallet piece 411 ratchet portion with
Balancing weight is installed on same one end, therefore, ratchet portion also along moving away from the direction in axle center, so as to ratchet sleeve 3 in the second spine
Wheel is meshed, when the second pallet piece 411 is meshed with ratchet sleeve 3, the freewheel clutch 6 and the 3rd automatic centrifugation shifter
42 is servo-actuated state, and power is input into by power input 1, as power input 1 is integrally formed with ratchet sleeve 3, ratchet sleeve 3 and
Second pallet piece 411 is meshed, and the second pallet piece 411 is installed on the second pallet piece frame 410, the second pallet piece frame 410 again with
Second planet carrier 512 is integrally formed, and therefore power is transferred to the second planet carrier 512, due to the second planet carrier 512 and the first gear ring
500 are integrally formed, and by the transmission of the first row star-wheel 503, the first gear ring 500 delivers power to the first row carrier 502, due to
The first row carrier 502 is fixedly connected with central shaft 2, and therefore power is finally transferred to central shaft 2 and to enter action edge by central shaft 2 defeated
Go out, so as to realize three-level mid ranger, when the input speed of power input 1 is lifted again, the first automatic centrifugation shifter
In 40, the balancing weight end of the first pallet piece 401 produces centrifugal force and moves along the direction away from axle center, due to the first pallet piece 401
Ratchet portion and balancing weight are installed on same one end, and therefore, ratchet portion is also moved along the direction away from axle center, so as to ratchet sleeve 3 in
The first ratchet 403 be meshed, when the first pallet piece 401 is meshed with ratchet sleeve 3, the freewheel clutch the 6, the 3rd automatically from
Heart shifter 42 and the second automatic centrifugation shifter 41 are servo-actuated state, and power is input into by power input 1, due to power
Input component 1 is integrally formed with ratchet sleeve 3, and ratchet sleeve 3 is meshed with the first pallet piece 401, and the first pallet piece 401 is installed on first
On pallet piece frame 400, the first pallet piece frame 400 is integrally formed with the first row carrier 502 again, and therefore power is transferred to first planet
Frame 502, as the first row carrier 502 is fixedly connected with central shaft 2, therefore power is finally transferred to central shaft 2 and by central shaft 2
Power output is carried out, so as to realize level Four top gear.Speed changer in the present invention can reduce the requirement to stepping on frequency, for example：At this
In embodiment, it is assumed that the slowest ratio in the present embodiment is set to 3.375:1, the speed ratio between adjacent two grades is 1.5:1.
The working speed that the ratchet of the 3rd automatic centrifugation mechanism, the second automatic centrifugation mechanism and the first automatic centrifugation mechanism is opened is
135 revs/min, then during one-level low or first gear when input component input speed is 135 revs/min, the 3rd automatic centrifugation ratchet, the
The speed of two automatic centrifugation ratchets and the first automatic centrifugation ratchet be respectively 90 revs/min, 60 revs/min of kinds, 40 revs/min, all
Less than 135 revs/min of the working speed that the ratchet of automatic centrifugation mechanism is opened, the ratchet of automatic centrifugation mechanism cannot be opened, this
When output speed be 40 revs/min.When the input speed of input component mentions 202.5 revs/min, the 3rd automatic centrifugation ratchet,
The speed of the second automatic centrifugation ratchet and the first automatic centrifugation ratchet be respectively 135 revs/min, 90 revs/min of kinds, 60 revs/min,
Now the 3rd automatic centrifugation ratchet is opened, and the second automatic centrifugation ratchet and the first automatic centrifugation ratchet are still in closed mode, real
Existing two grades of mid rangers, output speed now is 60 revs/min.The spine directly with the 3rd automatic centrifugation mechanism of input component now
Pawl is engaged, 202.5 revs/min of the input speed of input component, is turned much larger than the work opened of ratchet of the 3rd automatic centrifugation mechanism
135 revs/min of speed, it is possible to reduce the input speed of input component, that is, can reduce and trample frequency.The 3rd automatically from
Under the working condition that the ratchet of concentric mechanism is opened, when input speed increases again to 202.5 revs/min, the 3rd automatic centrifugation spine
The speed of pawl, the second automatic centrifugation ratchet and the first automatic centrifugation ratchet is respectively 202.5 revs/min, 135 revs/min of kinds, 90
Rev/min, now the second automatic centrifugation ratchet is opened, the 3rd automatic centrifugation ratchet still in open mode, the first automatic centrifugation
Ratchet realizes three-level mid ranger still in closed mode.Output speed now is 90 revs/min.Input component now is direct
Engage with the ratchet of the second automatic centrifugation mechanism, 202.5 revs/min of the input speed of input component, much larger than the second automatic centrifugation
135 revs/min of the working speed that the ratchet of mechanism is opened, it is possible to reduce the input speed of input component, that is, can drop
Low trample frequency.Under the working condition that the ratchet of the second automatic centrifugation mechanism is opened, when input speed increases again to 202.5
Rev/min, the speed of the 3rd automatic centrifugation ratchet, the second automatic centrifugation ratchet and the first automatic centrifugation ratchet is for being respectively
303.75 revs/min, 202.5 revs/min of kinds, 135 revs/min, now the first automatic centrifugation ratchet open, the 3rd automatic centrifugation spine
Pawl, the second automatic centrifugation ratchet realize level Four top gear still in open mode, and output speed now is 135 revs/min,
Input component now is directly engaged with the ratchet of the first automatic centrifugation mechanism, 202.5 revs/min of the input speed of input component, far
More than 135 revs/min of the working speed that the ratchet of the first automatic centrifugation mechanism is opened, it is possible to which the input for reducing input component turns
Speed, that is, can reduce and trample frequency.By a series of raising input speeds, automatic centrifugation gear shift is realized, reduce and trample frequency
Rate, improves input speed again, realizes this automatic centrifugation gear shift circulation of higher level automatic centrifugation gear shift again.
Embodiment 2
Shown in ginseng Fig. 5, remaining structure of speed changer in the present embodiment is all same as Example 1, and difference is：In reality
Apply in example 1, the centre wheel of the first planet speed changer 50, the second planetary transmission 51 and third planet speed changer 52 integrally becomes
Type forms an entirety, and the first row carrier 502 in the first planet speed changer 50 is fixedly connected into action edge with central shaft 2
Output, and in example 2, the first centre wheel 501 is provided separately with the second centre wheel 511, in the second centre wheel 511 and the 3rd
Heart wheel 521 is integrally formed, and second planet carrier 512 is fixedly connected with central shaft 2 and carries out power output, speed change in the present embodiment
The operation principle of device is：The ratchet 60 of the freewheel clutch 6 is protected with ratchet sleeve 3 all the time for normally open, i.e. the 3rd gear ring 520
Engagement is held, during one-level low or first gear, power is input into by power input 1, as power input 1 is integrally become with ratchet sleeve 3
Type, ratchet sleeve 3 are meshed with the 3rd gear ring 520 again, and therefore power is transferred to the 3rd gear ring 520, by the third line star-wheel 523
Transmission, then the third line carrier 522 is delivered power to, as the third line carrier 522 is integrally formed with the second gear ring 510, second
Gear ring 510 delivers power to the second planet carrier 512 further through the transmission of the second planetary gear 513, due to the second planet carrier 512 with
Central shaft 2 is fixedly connected, and therefore power is finally transferred to central shaft 2 and carries out power output by central shaft 2, as power is input into
The lifting of 1 speed of part, in the 3rd automatic centrifugation shifter 42 the 3rd pallet piece 421 balancing weight end produce centrifugal force along away from
The direction motion in axle center, as ratchet portion and the balancing weight of the 3rd pallet piece 421 are installed on same one end, therefore, ratchet portion also edge
Direction away from axle center is moved, so as to be meshed with the 3rd ratchet 423 in ratchet sleeve 3, the 3rd pallet piece 421 and ratchet sleeve 3
When being meshed, the freewheel clutch 6 is servo-actuated state, and power is input into by power input 1, due to power input 1 and spine
Wheel case 3 is integrally formed, and ratchet sleeve 3 is meshed with the 3rd pallet piece 421, and the 3rd pallet piece 421 is installed on the 3rd pallet piece frame 420
On, the 3rd pallet piece frame 420 is integrally formed with the third line carrier 522 again, and therefore power is transferred to the third line carrier 522, due to
The third line carrier 522 is integrally formed with the second gear ring 510, and by the transmission of the second planetary gear 513, the second gear ring 510 is by power
The second planet carrier 512 is transferred to, as the second planet carrier 512 is fixedly connected with central shaft 2, therefore final power is transferred to center
Axle 2 simultaneously carries out power output by central shaft 2, realizes two grades of mid rangers, and when 1 speed of power input is lifted again, second certainly
In dynamic centrifugation shifter 41, the balancing weight end of the second pallet piece 411 produces centrifugal force and moves along the direction away from axle center, due to
The ratchet portion of the second pallet piece 411 is installed on same one end with balancing weight, and therefore, ratchet portion is also moved along the direction away from axle center,
So as to be meshed with the second ratchet 413 in ratchet sleeve 3, when the second pallet piece 411 is meshed with ratchet sleeve 3, described surmount from
Clutch 6 and the 3rd automatic centrifugation shifter 42 are servo-actuated state, and power is input into by power input 1, due to power input 1
It is integrally formed with ratchet sleeve 3, ratchet sleeve 3 is meshed with the second pallet piece 411, the second pallet piece 411 is installed on the second pallet piece
On frame 410, the second pallet piece frame 410 is integrally formed with the second planet carrier 512 again, and therefore power is transferred to the second planet carrier 512,
As the second planet carrier 512 is fixedly connected with central shaft 2, therefore power is finally transferred to central shaft 2 and enters action by central shaft 2
Power is exported, and realizes the middle-grade speed change of three-level, when the input speed of power input 1 is lifted again, the first automatic centrifugation gear shift machine
In structure 40, the balancing weight end of the first pallet piece 401 produces centrifugal force and moves along the direction away from axle center, due to the first pallet piece 401
Ratchet portion and balancing weight be installed on same one end, therefore, ratchet portion is also moved along the direction away from axle center, so as to ratchet sleeve 3
The first interior ratchet 403 is meshed, when the first pallet piece 401 is meshed with ratchet sleeve 3, the freewheel clutch, the 3rd automatic
Centrifugation shifter 42 and the second automatic centrifugation shifter 41 are servo-actuated state, and power is input into by power input 1, due to dynamic
Power input component 1 is integrally formed with ratchet sleeve 3, and ratchet sleeve 3 is meshed with the first pallet piece 401, and the first pallet piece 401 is installed on
On one pallet piece frame 400, the first pallet piece frame 400 is integrally formed with the first row carrier 502 again, and therefore power is transferred to the first row
Carrier 502, by the transmission of the first row star-wheel 503, the first row carrier 502 delivers power to the first gear ring 500, due to second
Planet carrier 512 is integrally formed with the first gear ring 500, and the second planet carrier 512 is fixedly connected with central shaft 2 again, and therefore power is final
It is transferred to central shaft 2 and power output is carried out by central shaft 2, realizes level Four top grade speed change.
In sum, the fixed Two-wheeled multi gear fully-automatic gearbox compact conformation of centre wheel in the present invention, installation
Convenience, transmission efficiency, gear shift are firm, speed change is stable, cover automatic centrifugation shifter by arranging number in speed changer, so as to
Achievable automatic speed-changing is many to realize by the quantity for increasing and decreasing automatic centrifugation shifter and planetary transmission in gear
Shelves speed change, in addition the speed changer in the present invention can reduce the requirement to stepping on frequency when medium-to-high grade so that it is lighter to ride.
The above embodiments only principle of illustrative the invention and its effect, and the enforcement that part uses
Example, not for the restriction present invention；It should be pointed out that for the person of ordinary skill of the art, creating without departing from the present invention
On the premise of making design, some deformation and improvement can also be made, these belong to protection scope of the present invention.
Claims (10)
1. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel, it is characterised in that include：Power input, in
Heart axle, ratchet sleeve and the gear being arranged between central shaft and ratchet sleeve, the gear include：Number set automatic centrifugation
The planetary transmission that shifter and number set are arranged side by side, often covering planetary transmission includes：Gear ring, centre wheel, planet carrier and row
Star-wheel, the centre wheel are sheathed on central shaft and are mutually fixed with vehicle frame, number set planetary transmissions centre wheels be integrally formed or
It is provided separately, per in two sets of adjacent planetary transmissions, the gear ring of wherein a set of planetary transmission and another set of planetary transmission
Planet carrier form a sub-assembly, the power input is installed on ratchet sleeve, wherein in number set planetary transmissions
The planet carrier of set planetary transmission is fixedly connected with central shaft or is integrally formed, the gear ring of the most end planetary transmission and institute
State and freewheel clutch between ratchet sleeve inwall, is provided with, often set automatic centrifugation shifter includes pallet piece frame, ratchet and at least one
Individual pallet piece, the pallet piece set up and are placed on sub-assembly or on planet carrier, and the ratchet is arranged in ratchet sleeve.
2. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 1, it is characterised in that：Institute
State pallet piece to be installed on pallet piece frame by the first connector, the often set automatic centrifugation gearshift also includes at least one
STATEMENT OF FEDERALLY SPONSORED, the STATEMENT OF FEDERALLY SPONSORED are installed on pallet piece frame by the second connector, and the pallet piece and STATEMENT OF FEDERALLY SPONSORED are in circumferencial direction
On be set in distance, the pallet piece includes first end, the second end and is arranged between first end and the second end
First installation portion, is provided with the ratchet portion matched with ratchet, the ratchet at the outer wall of the second end of at least one pallet piece
First installation portion of part be provided with for install the first connector the first installing hole, the STATEMENT OF FEDERALLY SPONSORED include the 3rd end, the 4th
End and the second installation portion being arranged between the 3rd end and the 4th end, the second installation portion of the STATEMENT OF FEDERALLY SPONSORED be provided with for
Second installing hole of the second connector is installed, the 3rd end of the second end of the pallet piece and/or STATEMENT OF FEDERALLY SPONSORED is provided with counterweight
Block, is limited in the inner side of pallet piece the second end, joins along described in radial direction along the 3rd end of STATEMENT OF FEDERALLY SPONSORED described in radial direction
4th end of moving part is limited in the inner side of pallet piece first end or spacing along the first end of pallet piece described in radial direction
The inner side of the 3rd end of STATEMENT OF FEDERALLY SPONSORED, institute is limited in the inner side of the 4th end of STATEMENT OF FEDERALLY SPONSORED, the second end of the pallet piece
The elastic component that states on pallet piece frame or be provided with STATEMENT OF FEDERALLY SPONSORED or on pallet piece for controlling pallet piece initial position.
3. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 1, it is characterised in that：Institute
State pallet piece to be installed on pallet piece frame by the first connector, the often set automatic centrifugation gearshift also includes at least one
STATEMENT OF FEDERALLY SPONSORED, one end of the STATEMENT OF FEDERALLY SPONSORED and adjacent one of pallet piece flexible connection, the other end of the STATEMENT OF FEDERALLY SPONSORED and phase
Another adjacent pallet piece is flexibly connected, and the pallet piece and STATEMENT OF FEDERALLY SPONSORED are set in distance in a circumferential direction, the ratchet
Part includes first end, the second end and the first installation portion being arranged between first end and the second end, the pallet piece
The second end be provided with balancing weight, be provided with the ratchet matched with ratchet at the outer wall of the second end of at least one pallet piece
Portion, the first installation portion of the pallet piece are provided with the first installing hole for installing the first connector, pacify on the pallet piece frame
The elastic component being equipped with for controlling pallet piece initial position.
4. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 2 or claim 3, its feature exist
In：The pallet piece frame includes：Several mounting seats that circular base portion and the outer wall from circular base portion stretch out, described
Moving part and centrifugal ratchet part are respectively arranged in mounting seat.
5. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 2, it is characterised in that：Institute
Elastic component is stated for torsion spring, spring or spring leaf, the first described connector, the second connector are pin.
6. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 2, it is characterised in that：Institute
State pallet piece and the mating surface of STATEMENT OF FEDERALLY SPONSORED is in involute shape or arc shaped is arranged.
7. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 1, it is characterised in that：Institute
The one end for stating ratchet sleeve is provided with first and tight part and second and tight part, and described first is simultaneously tightly connected by spline between part and centre wheel
Connect, described first and tight connected by bearing or ball between part and ratchet sleeve, described second and tight part with first and tightly part it
Between connected by bearing or ball.
8. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 1, it is characterised in that：Institute
The one end for stating central shaft is provided with boss, is connected by bearing or ball between the boss and power input.
9. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 1, it is characterised in that：Institute
State between power input and ratchet sleeve and be provided with freewheel clutch.
10. the fixed Two-wheeled multi gear fully-automatic gearbox of a kind of centre wheel as claimed in claim 1, it is characterised in that：
The central shaft is hollow object and is fixedly connected with the housing of differential mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611193333.6A CN106481755B (en) | 2016-12-21 | 2016-12-21 | A kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193333.6A CN106481755B (en) | 2016-12-21 | 2016-12-21 | A kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel |
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| CN106481755A true CN106481755A (en) | 2017-03-08 |
| CN106481755B CN106481755B (en) | 2018-12-07 |
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| CN201611193333.6A Active CN106481755B (en) | 2016-12-21 | 2016-12-21 | A kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel |
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Cited By (5)
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| CN106949199A (en) * | 2017-05-11 | 2017-07-14 | 张家港川梭车业有限公司 | A kind of Two-wheeled ratchet movable type gearshift two keeps off speed change gear |
| CN106949202A (en) * | 2017-05-11 | 2017-07-14 | 张家港川梭车业有限公司 | A kind of Two-wheeled ratchet movable type gearshift multi-gear transmission device |
| CN106949200A (en) * | 2017-05-11 | 2017-07-14 | 张家港川梭车业有限公司 | A kind of Two-wheeled ratchet movable type gearshift three keeps off speed change gear |
| CN107588161A (en) * | 2017-10-23 | 2018-01-16 | 张家港市九鼎机械有限公司 | A kind of gear ring inputs the full-automatic multi-shifting speed variator of Two-wheeled |
| CN111336225A (en) * | 2020-03-12 | 2020-06-26 | 吉林大学 | Triple planetary gear type in-wheel two-gear automatic speed change mechanism and gear shifting control method thereof |
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| CN106114747A (en) * | 2016-07-22 | 2016-11-16 | 张家港川梭车业有限公司 | A kind of bicycle use three-step gear shift driving means |
| CN206361098U (en) * | 2016-12-21 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel |
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| EP2773554A1 (en) * | 2011-11-08 | 2014-09-10 | EBM Solutions Pty Ltd | Dual speed bottom bracket |
| US20150308544A1 (en) * | 2012-11-17 | 2015-10-29 | Minoru Nakagawa | Continuously variable transmission mechanism driven by self-actuating control of ring gear |
| CN106005238A (en) * | 2016-07-07 | 2016-10-12 | 张家港川梭车业有限公司 | Centrifugal gear shifting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106949199A (en) * | 2017-05-11 | 2017-07-14 | 张家港川梭车业有限公司 | A kind of Two-wheeled ratchet movable type gearshift two keeps off speed change gear |
| CN106949202A (en) * | 2017-05-11 | 2017-07-14 | 张家港川梭车业有限公司 | A kind of Two-wheeled ratchet movable type gearshift multi-gear transmission device |
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| CN106949199B (en) * | 2017-05-11 | 2023-09-22 | 张家港川梭车业有限公司 | Two-wheel drive pawl movable gear shifting two-gear speed change device |
| CN106949200B (en) * | 2017-05-11 | 2023-09-22 | 张家港川梭车业有限公司 | Movable gear shifting three-gear speed changing device with two-wheel driving pawls |
| CN106949202B (en) * | 2017-05-11 | 2023-09-22 | 张家港川梭车业有限公司 | Movable gear shifting multi-gear speed changing device with two-wheel driving pawls |
| CN107588161A (en) * | 2017-10-23 | 2018-01-16 | 张家港市九鼎机械有限公司 | A kind of gear ring inputs the full-automatic multi-shifting speed variator of Two-wheeled |
| CN107588161B (en) * | 2017-10-23 | 2024-03-29 | 张家港川梭车业有限公司 | Gear ring input double-wheel drive full-automatic multi-gear transmission |
| CN111336225A (en) * | 2020-03-12 | 2020-06-26 | 吉林大学 | Triple planetary gear type in-wheel two-gear automatic speed change mechanism and gear shifting control method thereof |
| CN111336225B (en) * | 2020-03-12 | 2023-11-14 | 吉林大学 | Triple planetary gear type in-wheel two-gear automatic speed change mechanism and gear shifting control method thereof |
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|---|---|
| CN106481755B (en) | 2018-12-07 |
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