CN106481755B - 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
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- CN106481755B CN106481755B CN201611193333.6A CN201611193333A CN106481755B CN 106481755 B CN106481755 B CN 106481755B CN 201611193333 A CN201611193333 A CN 201611193333A CN 106481755 B CN106481755 B CN 106481755B
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- pallet piece
- statement
- federally sponsored
- centre wheel
- ratchet
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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 gearboxs of centre wheel, it include: power input, central axis, ratchet sleeve and gear, the gear includes: number set automatic centrifugation shift mechanism and number set planetary transmission, every set planetary transmission includes: gear ring, centre wheel, planet carrier and planetary gear, in per two sets of adjacent planetary transmissions, wherein the planet carrier of the gear ring of a set of planetary transmission and another set of planetary transmission forms a sub-assembly, the power input is installed on ratchet sleeve, the power input is integrally formed or is fixedly connected with ratchet sleeve, the planet carrier of wherein a set of planetary transmission in number set planetary transmission is fixedly connected or is integrally formed with central axis, freewheel clutch is equipped between the gear ring and the ratchet sleeve inner wall of the most end planetary transmission, every set automatically from Heart shift mechanism includes pallet piece frame, ratchet and at least one pallet piece, to can reduce the requirement to frequency is stepped in medium and high quality.
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 technique]
Bicycle speed-varying unit is divided into internal speed changer and two kinds of outer speed changer, outer speed changer be use open link chain mechanism for
Transmission system transforms to chain by stirring the selector being installed in front of bicycle and realizes different chains on different flywheels
Transmission ratio is easier to get rusty since outer speed changer is exposed outside, and is easy the interference by external force, so through
Often periodic maintenance is needed to maintain, internal speed changer mainly using planetary gear mechanism as transmission main body, is sealed in ratchet sleeve
Portion, by multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, so there is no need to time-based maintenances, realize
The advantages of exempting from maintenance.The generally existing following defect of internal speed changer now in the art: 1, needing hand shift, cannot achieve certainly
Move shelves；2, when internal speed changer is shifted to top gear, if stepping on frequency is reducing, speed changer is difficult to hold in top gear,
3, gear is relatively fewer, cannot achieve multi gear speed change.
Therefore, it is necessary to provide a kind of fixed Two-wheeled multi gear fully-automatic conversion of centre wheel for solving above-mentioned technical problem
Fast device.
[summary of the invention]
To solve the above problems, the purpose of the present invention is to provide one kind can reduce to step on frequency require centre wheel it is fixed
Two-wheeled multi gear fully-automatic gearbox.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of fixed Two-wheeled multi gear of centre wheel is complete
Automatic transmission, comprising: power input, central axis, ratchet sleeve and the gear being set between central axis and ratchet sleeve,
The gear includes: the planetary transmission that number set automatic centrifugation shift mechanism and number set are arranged side by side, every set planet speed-change
Device includes: gear ring, centre wheel, planet carrier and planetary gear, and the centre wheel is sheathed on central axis and mutually fixes with vehicle frame, number set
The centre wheel of planetary transmission is integrally formed or are provided separately, in every two sets of adjacent planetary transmissions, wherein a set of planet becomes
The planet carrier of the gear ring of fast device and another set of planetary transmission forms a sub-assembly, and the power input is installed on ratchet sleeve
On, the planet carrier of wherein a set of planetary transmission in number set planetary transmission is fixedly connected or is integrally formed with central axis, institute
It states and is equipped with freewheel clutch, every set automatic centrifugation gear shift machine between the most gear ring of end planetary transmission and the ratchet sleeve inner wall
Structure includes pallet piece frame, ratchet and at least one pallet piece, and the pallet piece erection is placed on sub-assembly or on planet carrier, described
Ratchet is arranged in ratchet sleeve.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: the pallet piece is installed on pallet piece frame by the first connector, every set automatic centrifugation gearshift further 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 in circle
It is set in distance in circumferential direction, the pallet piece includes first end, the second end and is set to first end and the second end
Between the first mounting portion, the pawl portion matched with ratchet, institute are equipped at the outer wall of the second end of at least one pallet piece
The first mounting portion for stating pallet piece is equipped with the first mounting hole for being used for installing the first connector, and the STATEMENT OF FEDERALLY SPONSORED includes third end
Portion, the 4th end and the second mounting portion being set between third end and the 4th end, the second mounting portion of the STATEMENT OF FEDERALLY SPONSORED
Equipped with the second mounting hole for installing the second connector, the second end of the pallet piece and/or the third end of STATEMENT OF FEDERALLY SPONSORED
Equipped with clump weight, the inside of pallet piece the second end is limited in, along radius side along the third end of STATEMENT OF FEDERALLY SPONSORED described in radial direction
The inside of pallet piece first end is limited in the 4th end of the STATEMENT OF FEDERALLY SPONSORED or along first of pallet piece described in radial direction
End is limited in the inside of the 4th end of STATEMENT OF FEDERALLY SPONSORED, the second end of the pallet piece is limited in STATEMENT OF FEDERALLY SPONSORED third end
Inside is equipped with the elastic component for controlling pallet piece initial position on the pallet piece frame or in STATEMENT OF FEDERALLY SPONSORED or on pallet piece.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: the pallet piece is installed on pallet piece frame by the first connector, every set automatic centrifugation gearshift further include to
A few STATEMENT OF FEDERALLY SPONSORED, one end of the STATEMENT OF FEDERALLY SPONSORED are flexibly connected with adjacent one of pallet piece, the STATEMENT OF FEDERALLY SPONSORED it is 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 mounting portion being set between first end and the second end, described
The second end of pallet piece is equipped with clump weight, is equipped at the outer wall of the second end of at least one pallet piece and to match with ratchet
Pawl portion, the first mounting portion of the pallet piece are equipped with the first mounting hole for installing the first connector, the pallet piece frame
On elastic component for controlling pallet piece initial position is installed.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: the pallet piece frame includes: the outwardly extending several mounting bases of outer wall of circular base portion and certainly circular base portion, described
Moving part and centrifugal ratchet part are respectively arranged in mounting base.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: the elastic component is torsional spring, spring or spring leaf, and first connector, the second connector are pin.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: the mating surface of the pallet piece and STATEMENT OF FEDERALLY SPONSORED is arranged in involute shape or arc shaped.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: one end of the ratchet sleeve is equipped with first and tight part and second and tight part, passes through between described first and tight part and centre wheel
Spline connection, is connected between described first and tight part and ratchet sleeve by bearing or ball, described second and tight part and first simultaneously
It is connected between tight part by bearing or ball.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: one end of the central axis is equipped with boss, is connected between the boss and power input by bearing or ball.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: freewheel clutch is provided between the power input and ratchet sleeve.
Preferably, the fixed Two-wheeled multi gear fully-automatic gearbox of one of present invention centre wheel is further arranged
Are as follows: the central axis is hollow object and is fixedly connected with the shell of differential mechanism.
Compared with prior art, the invention has the following beneficial effects: the fixed Two-wheeleds of centre wheel in the present invention
Multi gear fully-automatic gearbox is compact-sized, easy for installation, transmission efficiency is high, gear shift is firm, speed change is stable, by speed changer
Number is set and covers automatic centrifugation shift mechanism, so that automatic speed-changing can be realized, passes through automatic centrifugation gear shift in increase and decrease gear
Mechanism and the quantity of planetary transmission realize multi gear speed change, and in addition speed changer in the present invention can be reduced in medium and high quality to stepping on
The requirement of frequency, so that riding more easily.
[Detailed description of the invention]
Fig. 1 is the schematic view of the front view 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 schematic cross-sectional view of fully-automatic gearbox in the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram of the first automatic centrifugation shift mechanism in the embodiment of the present invention 1.
Fig. 5 is the schematic cross-sectional view of fully-automatic gearbox in the embodiment of the present invention 2.
Fig. 1 is into Fig. 5: 1, power input, 2, central axis, 20, boss, 3, ratchet sleeve, 4, automatic centrifugation shift mechanism,
40, the first automatic centrifugation shift mechanism, the 400, first pallet piece frame, 4000, elastic component, the 401, first pallet piece, 4010, first
End, 4011, the second end, the 4012, first mounting portion, 4013, pawl portion, the 402, first STATEMENT OF FEDERALLY SPONSORED, 4020, third end,
4021, the 4th end, the 4022, second mounting portion, the 403, first ratchet, the 41, second automatic centrifugation shift mechanism, the 410, second spine
Bluff piece frame, the 411, second pallet piece, the 412, second STATEMENT OF FEDERALLY SPONSORED, the 413, second ratchet, 42, third automatic centrifugation shift mechanism,
420, third pallet piece frame, 421, third pallet piece, 422, third STATEMENT OF FEDERALLY SPONSORED, 423, third ratchet, 5, planetary transmission, 50,
First planetary transmission, the 500, first gear ring, the 501, first centre wheel, 502, first planet carrier, the 503, first planetary gear, 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, 520, third gear ring, 521, third centre wheel, 522, third planet carrier, 523, the third line star-wheel, 6, super
More clutch, 60, pawl, 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
The fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel joined shown in Fig. 1 to Fig. 4, in the present invention includes: dynamic
Power input component 1, central axis 2, ratchet sleeve 3 and the gear being set between ratchet sleeve 3 and central axis 2, the power input
Part 1 is fixedly connected with ratchet sleeve 3, certainly in other implementations, can also between the power input 1 and ratchet sleeve 3
Freewheel clutch is set, to guarantee that ratchet sleeve 3 can be in rotation status when power input 1 shuts down.The speed change
Mechanism includes number set automatic centrifugation shift mechanism 4 and number set planetary transmission 5, is to realize four-speed gear shift in the present embodiment,
Therefore three sets of automatic centrifugation shift mechanisms are set altogether and three sets of planetary transmissions certainly in other implementations can basis
The gear number set required for specific increases and decreases the quantity of automatic centrifugation shift mechanism and planetary transmission.
The planetary transmission 5 includes the first planetary transmission 50, the second planetary transmission set gradually from right to left
51 and third planet speed changer 52, first planetary transmission 50 includes the first gear ring 500, the first centre wheel 501, the first row
Carrier 502 and the first planetary gear 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 third gear ring 520, third centre wheel 521, the
Three planet carriers 522 and the third line star-wheel 523, first gear ring 500 are integrally formed formation first with the second planet carrier 512 and combine
Part, second gear ring 510 is integrally formed with third planet carrier 522 forms the second sub-assembly, and the first planet carrier 502 is in
Mandrel 2 is connected by spline, and first centre wheel 501, the second centre wheel 511 and third centre wheel 521 are integrally formed.
The automatic centrifugation shift mechanism 4 includes the first automatic centrifugation shift mechanism 40, the second automatic centrifugation shift mechanism
41 and third automatic centrifugation shift mechanism 42, the first automatic centrifugation shift mechanism 40 includes: the first pallet piece frame 400, number
A first pallet piece 401, several first STATEMENT OF FEDERALLY SPONSOREDs 402 and the first ratchet 403, the first pallet piece frame 400 includes: annular shape
The outwardly extending several mounting bases of outer wall of base portion and certainly circular base portion, first STATEMENT OF FEDERALLY SPONSORED 402 and the first pallet piece 401
It is respectively arranged in mounting base.Certainly in other embodiments, it is not provided with the first STATEMENT OF FEDERALLY SPONSORED 402 or only setting one first
First pallet piece 401 is only arranged in moving part 402, and the present invention equally may be implemented.The first pallet piece frame 400 and first
Planet carrier 502 is integrally formed, first ratchet 403 be set at the right end position of 3 inner wall of ratchet sleeve and with the one of ratchet sleeve 3
Molding, 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 SPONSOREDs 402 are in a circumferential direction
Interval setting, first pallet piece 401 include first end 4010, the second end 4011 and be set to first end 4010 with
First mounting portion 4012 of the first mounting portion 4012 between the second end 4011, first pallet piece 401 is equipped with for pacifying
Fill pin the first mounting hole, in the present embodiment, be equipped at the outer wall of each first pallet piece, 401 the second end 4011 with
It the pawl portion 4013 that first ratchet 403 matches certainly in other embodiments can also be with only one the first pallet piece
The pawl portion 4013 matched with the first ratchet 403 is equipped at the outer wall of 401 the second end 4011, or only there are two first
The pawl portion 4013 matched with the first ratchet 403 is equipped at the outer wall of the second end 4011 of pallet piece 401, it equally can be real
The existing present invention.First STATEMENT OF FEDERALLY SPONSORED 402 include third end 4020, the 4th end 4021 and be set to third end 4020 with
Second mounting portion 4022 of the second mounting portion 4022 between the 4th end 4021, first STATEMENT OF FEDERALLY SPONSORED 402 is equipped with for pacifying
Fill the second mounting hole of pin, the third end 4020 of the second end 4011 of first pallet piece 401 and the first STATEMENT OF FEDERALLY SPONSORED 402
Equipped with clump weight, 401 second end of the first pallet piece is limited in along the third end 4020 of the first STATEMENT OF FEDERALLY SPONSORED 402 described in radial direction
The inside 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 inside of end 4010, the advantages of this arrangement are as follows not only pallet piece can produce centrifugal force, STATEMENT OF FEDERALLY SPONSORED also can produce centrifugal force,
To substantially increase the centrifugal force of centrifugal mechanism, so that the more miniaturization that entire centrifugal mechanism can be set, while this kind
More centrifugal ratchet quantity can be set in the centrifugal mechanism of structure, so that stability is higher when entire centrifugal mechanism being made to work.
Elastic component 4000 for controlling 401 initial position of the first pallet piece, the elasticity are installed on the first pallet piece frame 400
Part can be torsional 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 equally may be implemented.First pallet piece 401 and the first STATEMENT OF FEDERALLY SPONSORED
402 mating surface is arranged in involute shape or arc shaped, the advantages of this arrangement are as follows: the swing angle and connection of pallet piece can be made
The swing angle of moving part is consistent.The second automatic centrifugation shift mechanism 41 includes: the second pallet piece frame 410, Shuo Ge
Two pallet pieces 411, several second STATEMENT OF FEDERALLY SPONSOREDs 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 set to the middle position of 3 inner wall of ratchet sleeve and is integrally formed with ratchet sleeve 3, described
Third automatic centrifugation shift mechanism 42 includes: third pallet piece frame 420, several third pallet pieces 421, several third STATEMENT OF FEDERALLY SPONSOREDs
422 and third ratchet 423, the third pallet piece frame 420 be fixedly connected with third planet carrier 522, the third ratchet 423 is set
It is placed in ratchet sleeve 3 and is integrally formed with ratchet sleeve 3.The second automatic centrifugation shift mechanism 41 and third automatic centrifugation gear shift
The structure of mechanism 42 is identical as the structure of the first automatic centrifugation shift mechanism 40.Certainly in other implementations, automatically
Be centrifuged gearshift it is also possible that structure, one end of the STATEMENT OF FEDERALLY SPONSORED and adjacent one of pallet piece activity connect
It connects, the other end of the STATEMENT OF FEDERALLY SPONSORED is flexibly connected with another adjacent pallet piece, i.e., STATEMENT OF FEDERALLY SPONSORED can pass through both ends bending
Mode is flexibly connected respectively with two adjacent pallet pieces composition or STATEMENT OF FEDERALLY SPONSORED directly passes through pin and two adjacent pallet pieces
It constitutes and is flexibly connected, STATEMENT OF FEDERALLY SPONSORED is equivalent to balancing pull rod and plays linkage at this time, and same implementation is of the invention.
Freewheel clutch 6, the freewheel clutch 6 are equipped between the third gear ring 520 and the left end inner wall of ratchet sleeve 3
It include: pawl 60 and ratchet 61, in the present embodiment, the pawl 60 is set on third gear ring 520, and ratchet 61 is set to
In ratchet sleeve 3, certainly in other implementations, the pawl 60 be may also set up in ratchet sleeve 3, and ratchet 61 may also set up
In on third gear ring 520, the present invention equally may be implemented.
One end of the ratchet sleeve 3 is equipped with first and tight part 7 and second and tight part 8, and described first and tight part 7 and centre wheel
Between connected by spline, connected between described first and tight part 7 and ratchet sleeve 3 by bearing or ball, described second and tight
It is connected between part 8 and first and tight part 7 by bearing or ball.One end of the central axis 2 is equipped with boss 20, the boss 20
It is connect between power input 1 by bearing or ball.
The working principle of speed changer in the present embodiment are as follows: described first and tight part 7 be fixedly connected with vehicle frame, it is described surmount from
The pawl 60 of clutch 6 is normally open, i.e. third gear ring 520 and ratchet sleeve 3 remains meshing state, the change in the present embodiment
Fast device realizes four-speed gear shift altogether, and when level-one low or first gear, power is inputted by power input 1, due to power input 1 and ratchet sleeve
3 are integrally formed, and ratchet sleeve 3 is meshed with third gear ring 520 again, therefore power transmission passes through third planet to third gear ring 520
The transmission of wheel 523, then delivers power to third planet carrier 522, due to third planet carrier 522 and the second gear ring 510 it is integrated at
Type, the 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
Frame 512 and the first gear ring 500 are integrally formed, and by the transmission of the first planetary gear 503, the first gear ring 500 delivers power to the
One planet carrier 502, since first planet carrier 502 is fixedly connected with central axis 2, final power transmission to central axis 2 and by
Central axis 2 carries out power output.With the promotion of 1 speed of power input, third spine in third automatic centrifugation shift mechanism 42
The clump weight end of bluff piece 421 generates centrifugal force and moves along the direction far from axle center, the pawl portion due to third pallet piece 421 with match
Pouring weight is installed on the same end, and therefore, pawl portion is also moved along the direction far from axle center, thus with the third ratchet in ratchet sleeve 3
423 are meshed, and when third pallet piece 421 is meshed with ratchet sleeve 3, the freewheel clutch is servo-actuated state, and power is by power
Input component 1 inputs, and since power input 1 and ratchet sleeve 3 are integrally formed, ratchet sleeve 3 is meshed with third pallet piece 421, the
Three pallet pieces 421 are installed on third pallet piece frame 420, and third pallet piece frame 420 is integrally formed with third planet carrier 522 again,
Therefore power transmission passes through the second row since third planet carrier 522 and the second gear ring 510 are integrally formed to third planet carrier 522
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 planetary gear 503, the first gear ring 500 delivers power to first planet carrier 502, by
It is fixedly connected in first planet carrier 502 with central axis 2, therefore power is finally transferred to central axis 2 and carries out power by central axis 2
Output realizes second level mid ranger, when 1 speed of power input is promoted again, second in the second automatic centrifugation shift mechanism 41
The clump weight end of pallet piece 411 generates centrifugal force and moves along the direction far from axle center, due to the second pallet piece 411 pawl portion with
Clump weight is installed on the same end, and therefore, pawl portion is also moved along the direction far from axle center, thus with the second spine in ratchet sleeve 3
Wheel is meshed, when the second pallet piece 411 is meshed with ratchet sleeve 3, the freewheel clutch 6 and third automatic centrifugation shift mechanism
42 be servo-actuated state, and power is inputted by power input 1, since power input 1 and ratchet sleeve 3 are integrally formed, ratchet sleeve 3 with
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, therefore power transmission gives 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 planetary gear 503, the first gear ring 500 delivers power to first planet carrier 502, due to
First planet carrier 502 is fixedly connected with central axis 2, thus power be finally transferred to central axis 2 and by central axis 2 carry out power it is defeated
Out, to realize three-level mid ranger, when the input speed of power input 1 is promoted again, the first automatic centrifugation shift mechanism
The clump weight end of first pallet piece 401 generates centrifugal force and moves along the direction far from axle center in 40, due to the first pallet piece 401
Pawl portion and clump weight are installed on the same end, and therefore, pawl portion is also moved along the direction far from axle center, thus in ratchet sleeve 3
The first ratchet 403 be meshed, when the first pallet piece 401 is meshed with ratchet sleeve 3, the freewheel clutch 6, third automatically from
Heart shift mechanism 42 and the second automatic centrifugation shift mechanism 41 are servo-actuated state, and power is inputted by power input 1, due to power
Input component 1 and ratchet sleeve 3 are integrally formed, 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 first planet carrier 502 again, therefore power transmission gives the first planet
Frame 502, since first planet carrier 502 is fixedly connected with central axis 2, power is finally transferred to central axis 2 and by central axis 2
Power output is carried out, to realize level Four top gear.Speed changer in the present invention can reduce the requirement to frequency is stepped on, such as: at this
In embodiment, it is assumed that set 3.375:1 for the slowest ratio in the present embodiment, the speed ratio between adjacent two grades is 1.5:1.
The working speed that the pawl of third automatic centrifugation mechanism, the second automatic centrifugation mechanism and the first automatic centrifugation mechanism is opened is
135 revs/min, then when level-one low or first gear when input component input speed is 135 revs/min, third automatic centrifugation pawl, the
The speed of two automatic centrifugation pawls and the first automatic centrifugation pawl is respectively 90 revs/min, 60 revs/min of kinds, 40 revs/min,
Less than 135 revs/min of working speed of the pawl opening of automatic centrifugation mechanism, the pawl of automatic centrifugation mechanism can not be opened, this
When output revolving speed be 40 revs/min.When the input speed of input component mentions 202.5 revs/min, third automatic centrifugation pawl,
The speed of second automatic centrifugation pawl and the first automatic centrifugation pawl is respectively 135 revs/min, 90 revs/min of kinds, 60 revs/min,
Third automatic centrifugation pawl is opened at this time, and the second automatic centrifugation pawl and the first automatic centrifugation pawl are real still in closed state
Existing second level mid ranger, output revolving speed at this time are 60 revs/min.Spine of the input component at this time directly with third automatic centrifugation mechanism
Pawl engagement, 202.5 revs/min of the input speed of input component, the work much larger than the pawl opening of third automatic centrifugation mechanism turn
135 revs/min of speed, it is possible to reduce the input speed of input component, that is, cadence can be reduced.Third automatically from
Under the working condition that the pawl of concentric mechanism is opened, when input speed increases again to 202.5 revs/min, third automatic centrifugation spine
The speed of pawl, the second automatic centrifugation pawl and the first automatic centrifugation pawl is respectively 202.5 revs/min, 135 revs/min of kinds, 90
Rev/min, the second automatic centrifugation pawl is opened at this time, and third automatic centrifugation pawl is still in opening state, the first automatic centrifugation
Pawl realizes three-level mid ranger still in closed state.Output revolving speed at this time is 90 revs/min.Input component at this time is direct
It is engaged with the pawl of the second automatic centrifugation mechanism, 202.5 revs/min of the input speed of input component, is much larger than the second automatic centrifugation
135 revs/min of working speed of the pawl opening of mechanism, it is possible to reduce the input speed of input component, that is, can drop
Low cadence.Under the working condition that the pawl of the second automatic centrifugation mechanism is opened, when input speed increases again to 202.5
Rev/min, the speed of third automatic centrifugation pawl, the second automatic centrifugation pawl and the first automatic centrifugation pawl is to be respectively
303.75 revs/min, 202.5 revs/min of kinds, 135 revs/min, the first automatic centrifugation pawl is opened at this time, third automatic centrifugation spine
Pawl, the second automatic centrifugation pawl realize level Four top gear still in opening state, and output revolving speed at this time is 135 revs/min,
Input component at this time is directly engaged with the pawl of the first automatic centrifugation mechanism, 202.5 revs/min of the input speed of input component, far
Greater than 135 revs/min of working speed of the pawl opening of the first automatic centrifugation mechanism, it is possible to which the input for reducing input component turns
Speed, that is, cadence can be reduced.By a series of raising input speeds, realize that frequency is trampled in automatic centrifugation gear shift, reduction
Rate, improves input speed again, realizes that this automatic centrifugation gear shift of more advanced automatic centrifugation gear shift recycles again.
Embodiment 2
Speed changer remaining structure joined shown in Fig. 5, in the present embodiment is same as Example 1, the difference is that: in reality
Apply in example 1, the centre wheel of first planetary transmission 50, the second planetary transmission 51 and third planet speed changer 52 one at
Type forms an entirety, and the first planet carrier 502 in first planetary transmission 50 is fixedly connected with carry out power with central axis 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 third
Heart wheel 521 is integrally formed, and second planet carrier 512 is fixedly connected with carry out power output, speed change in the present embodiment with central axis 2
The working principle of device are as follows: the pawl 60 of the freewheel clutch 6 is normally open, i.e. third gear ring 520 is protected always with ratchet sleeve 3
Hold meshing state, when level-one low or first gear, power is inputted by power input 1, due to power input 1 and 3 one of ratchet sleeve at
Type, ratchet sleeve 3 is meshed with third gear ring 520 again, therefore power transmission passes through the third line star-wheel 523 to third gear ring 520
Transmission, then third planet carrier 522 is delivered power to, since third planet carrier 522 and the second gear ring 510 are integrally formed, 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 axis 2 is fixedly connected, therefore power is finally transferred to central axis 2 and carries out power output by central axis 2, as power inputs
The promotion of 1 speed of part, the clump weight end of third pallet piece 421 generates centrifugal force along separate in third automatic centrifugation shift mechanism 42
The direction in axle center moves, since the pawl portion of third pallet piece 421 and clump weight are installed on the same end, pawl portion also edge
Direction far from axle center moves, thus be meshed with the third ratchet 423 in ratchet sleeve 3, third pallet piece 421 and ratchet sleeve 3
When being meshed, the freewheel clutch 6 is servo-actuated state, and power is inputted by power input 1, due to power input 1 and spine
Wheel case 3 is integrally formed, and ratchet sleeve 3 is meshed with third pallet piece 421, and third pallet piece 421 is installed on third pallet piece frame 420
On, third pallet piece frame 420 is integrally formed with third planet carrier 522 again, therefore power transmission is to third planet carrier 522, due to
Third planet carrier 522 and the second gear ring 510 are integrally formed, and by the transmission of the second planetary gear 513, the second gear ring 510 is by power
It is transferred to the second planet carrier 512, since the second planet carrier 512 is fixedly connected with central axis 2, final power transmission is to center
Axis 2 simultaneously carries out power output by central axis 2, realizes second level mid ranger, and when 1 speed of power input is promoted again, second certainly
The clump weight end of second pallet piece 411 generates centrifugal force and moves along the direction far from axle center in dynamic centrifugation shift mechanism 41, due to
The pawl portion of second pallet piece 411 and clump weight are installed on the same end, and therefore, pawl portion is also moved along the direction far from axle center,
To being meshed with the second ratchet 413 in ratchet sleeve 3, when the second pallet piece 411 is meshed with ratchet sleeve 3, it is described surmount from
Clutch 6 and third automatic centrifugation shift mechanism 42 are servo-actuated state, and power is inputted 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, and 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, therefore power transmission gives the second planet carrier 512,
Since the second planet carrier 512 is fixedly connected with central axis 2, power is finally transferred to central axis 2 and is moved by central axis 2
Power output, realizes three-level middle-grade speed change, when the input speed of power input 1 is promoted again, the first automatic centrifugation gear shift machine
The clump weight end of first pallet piece 401 generates centrifugal force and moves along the direction far from axle center in structure 40, due to the first pallet piece 401
Pawl portion and clump weight be installed on the same end, therefore, pawl portion is also moved along far from the direction in axle center, thus with ratchet sleeve 3
The first interior ratchet 403 is meshed, and when the first pallet piece 401 is meshed with ratchet sleeve 3, the freewheel clutch, third are automatic
It is centrifuged shift mechanism 42 and the second automatic centrifugation shift mechanism 41 is servo-actuated state, power is inputted by power input 1, due to dynamic
Power input component 1 and ratchet sleeve 3 are integrally formed, and ratchet sleeve 3 is meshed with the first pallet piece 401, and the first pallet piece 401 is installed on the
On one pallet piece frame 400, the first pallet piece frame 400 is integrally formed with first planet carrier 502 again, therefore power transmission is to the first row
Carrier 502, by the transmission of the first planetary gear 503, first planet carrier 502 delivers power to the first gear ring 500, due to second
Planet carrier 512 and the first gear ring 500 are integrally formed, and the second planet carrier 512 is fixedly connected with central axis 2 again, therefore power is final
It is transferred to central axis 2 and power output is carried out by central axis 2, realize level Four top grade speed change.
In conclusion the fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel in the present invention is compact-sized, installation
Conveniently, transmission efficiency is high, gear shift is firm, speed change is stable, covers automatic centrifugation shift mechanism by the way that number is arranged in speed changer, thus
Automatic speed-changing can be achieved, it is more to realize by the quantity of automatic centrifugation shift mechanism and planetary transmission in increase and decrease gear
Shelves speed change, in addition the speed changer in the present invention can be reduced in medium and high quality to the requirement of frequency is stepped on, so that riding more easily.
The principles and effects of the invention, and the implementation that part uses only is illustrated in the above embodiments
Example, and is not intended to limit the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from wound of the present invention
Under the premise of making design, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (10)
1. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel characterized by comprising power input, in
Mandrel, ratchet sleeve and the gear being set between central axis and ratchet sleeve, the gear include: number set automatic centrifugation
The planetary transmission that shift mechanism and number set are arranged side by side, every set planetary transmission includes: gear ring, centre wheel, planet carrier and row
Star-wheel, the centre wheel are sheathed on central axis and mutually fix with vehicle frame, number set planetary transmissions centre wheels be integrally formed or
It is provided separately, in every two sets of adjacent planetary transmissions, wherein the gear ring of 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 one in number set planetary transmissions
The planet carrier of set planetary transmission is fixedly connected or is integrally formed with central axis, the most gear ring of end planetary transmission and the spine
Freewheel clutch is equipped between wheel case inner wall, every set automatic centrifugation shift mechanism includes pallet piece frame, ratchet and at least one spine
Bluff piece, the pallet piece erection are placed on sub-assembly or on planet carrier, and the ratchet is arranged in ratchet sleeve.
2. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as described in claim 1, it is characterised in that: institute
It states pallet piece to be installed on pallet piece frame by the first connector, every set automatic centrifugation gearshift further 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 set between first end and the second end
First mounting portion is equipped with the pawl portion matched with ratchet, the pawl at the outer wall of the second end of at least one pallet piece
First mounting portion of part is equipped with the first mounting hole for installing the first connector, and the STATEMENT OF FEDERALLY SPONSORED includes third end, the 4th
End and the second mounting portion being set between third end and the 4th end, the second mounting portion of the STATEMENT OF FEDERALLY SPONSORED, which is equipped with, to be used for
Second mounting hole of the second connector is installed, the second end of the pallet piece and/or the third end of STATEMENT OF FEDERALLY SPONSORED are equipped with counterweight
Block is limited in the inside of pallet piece the second end, along connection described in radial direction along the third end of STATEMENT OF FEDERALLY SPONSORED described in radial direction
4th end of moving part is limited in the inside of pallet piece first end or limits along the first end of pallet piece described in radial direction
The inside of STATEMENT OF FEDERALLY SPONSORED third end, institute are limited in the inside of the 4th end of STATEMENT OF FEDERALLY SPONSORED, the second end of the pallet piece
State on pallet piece frame or be equipped in STATEMENT OF FEDERALLY SPONSORED or on pallet piece the elastic component for controlling pallet piece initial position.
3. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as described in claim 1, it is characterised in that: institute
It states pallet piece to be installed on pallet piece frame by the first connector, every set automatic centrifugation gearshift further includes at least one
STATEMENT OF FEDERALLY SPONSORED, one end of the STATEMENT OF FEDERALLY SPONSORED are flexibly connected with adjacent one of pallet piece, the other end and the phase of the STATEMENT OF FEDERALLY SPONSORED
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 pawl
Part includes first end, the second end and the first mounting portion being set between first end and the second end, the pallet piece
The second end be equipped with clump weight, the pawl matched with ratchet is equipped at the outer wall of the second end of at least one pallet piece
Portion, the first mounting portion of the pallet piece are equipped with the first mounting hole for installing the first connector, pacify on the pallet piece frame
Equipped with the elastic component for controlling pallet piece initial position.
4. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as claimed in claim 2 or claim 3, feature exist
In: the pallet piece frame includes: the outwardly extending several mounting bases of outer wall of circular base portion and certainly circular base portion, described
Moving part and centrifugal ratchet part are respectively arranged in mounting base.
5. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as claimed in claim 2, it is characterised in that: institute
Stating elastic component is torsional spring, spring or spring leaf, and first connector, the second connector are pin.
6. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as claimed in claim 2, it is characterised in that: institute
The mating surface for stating pallet piece and STATEMENT OF FEDERALLY SPONSORED is arranged in involute shape or arc shaped.
7. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as described in claim 1, it is characterised in that: institute
The one end for stating ratchet sleeve is equipped with first and tight part and second and tight part, passes through spline company between described first and tight part and centre wheel
Connect, connected between described first and tight part and ratchet sleeve by bearing or ball, described second and tight part with first and tightly part it
Between connected by bearing or ball.
8. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as described in claim 1, it is characterised in that: institute
The one end for stating central axis is equipped with boss, is connected between the boss and power input by bearing or ball.
9. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as described in claim 1, it is characterised in that: institute
It states and is provided with freewheel clutch between power input and ratchet sleeve.
10. a kind of fixed Two-wheeled multi gear fully-automatic gearbox of centre wheel as described in claim 1, it is characterised in that:
The central axis is hollow object and is fixedly connected with the shell 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 |
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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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| CN106481755A CN106481755A (en) | 2017-03-08 |
| CN106481755B true 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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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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| EP2773554A1 (en) * | 2011-11-08 | 2014-09-10 | EBM Solutions Pty Ltd | Dual speed bottom bracket |
| CN106005238A (en) * | 2016-07-07 | 2016-10-12 | 张家港川梭车业有限公司 | Centrifugal gear shifting device |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5543569B2 (en) * | 2012-11-17 | 2014-07-09 | 稔 中川 | Ring gear continuously variable transmission mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2773554A1 (en) * | 2011-11-08 | 2014-09-10 | EBM Solutions Pty Ltd | Dual speed bottom bracket |
| CN106005238A (en) * | 2016-07-07 | 2016-10-12 | 张家港川梭车业有限公司 | Centrifugal gear shifting device |
| 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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| CN106481755A (en) | 2017-03-08 |
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