CN106627975A - Linear pedaling single-wheel direct drive transmission - Google Patents
Linear pedaling single-wheel direct drive transmission Download PDFInfo
- Publication number
- CN106627975A CN106627975A CN201710042881.7A CN201710042881A CN106627975A CN 106627975 A CN106627975 A CN 106627975A CN 201710042881 A CN201710042881 A CN 201710042881A CN 106627975 A CN106627975 A CN 106627975A
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- Prior art keywords
- wheel
- pallet piece
- pallet
- ratchet
- wheel hub
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/18—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears with a plurality of planetary gear units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a linear pedaling single-wheel direct drive transmission which comprises a center shaft, an input wheel, a wheel hub, two sets of planetary transmissions and two sets of automatic centrifugal gear-shifting mechanisms, wherein the planetary transmissions comprise a first planetary transmission and a second planetary transmission; the first planetary transmission comprises a first planet carrier, a first planet wheel, a first gear ring and a first center wheel; the second planetary transmission comprises a second planet carrier, a second planet wheel, a second gear ring and a second center wheel; the center shaft is fixedly connected with the first gear ring or is simultaneously and fixedly connected with the first planet carrier and the second gear ring; the automatic centrifugal gear-shifting mechanisms comprise a first automatic centrifugal gear-shifting mechanism and a second automatic centrifugal gear-shifting mechanism; the first automatic centrifugal gear-shifting mechanism is arranged between the wheel hub and a second assembling unit; the second automatic centrifugal gear-shifting mechanism is arranged between the wheel hub and the first gear ring. According to the transmission disclosed by the invention, the requirement on the pedaling frequency can be reduced at a high gear.
Description
【Technical field】
The present invention relates to technical field of bicycles, and in particular to a kind of straight line tramples single-wheel and directly drives speed changer.
【Background technology】
Bicycle speed-varying unit is divided into two kinds of internal speed changer and outer speed changer, outer speed changer be adopt open link chain mechanism for
Transmission system, by stirring the selector being installed in front of bicycle and transforming to chain different chains are realized on different flywheels
Bar gearratio, because outer speed changer is exposed outside, therefore is easier to get rusty, and is easily disturbed by external force, so Jing
Periodic maintenance is often needed to maintain, internal speed changer mainly using planetary gears as transmission main body, is sealed in inside flower-drum,
Through multilayer special seal material protection, so rainwater, dust, grease etc. cannot be introduced into, therefore without the need for time-based maintenance, realize and exempt from
The advantage of maintenance.The existing following defect of internal speed changer generally existing in the art：1st, manual shift is needed, it is impossible to realize moving certainly
Gear；2nd, when internal speed changer shifts to top gear, if step on frequency reduced, then speed changer is difficult to hold in top gear.
【The content of the invention】
To solve the above problems, it is an object of the invention to provide a kind of straight line for reducing requiring stepping on frequency tramples single-wheel
It is straight to drive speed changer.
For achieving the above object, the technical scheme taken of the present invention is：A kind of straight line tramples single-wheel and directly drives speed changer, bag
Include：Central shaft, be arranged at the wheel for inputting at central shaft two ends, the wheel hub being arranged between two wheel for inputting and be arranged at central shaft with
Gear between wheel hub, the central shaft is power input, and the wheel hub is power output member, and the wheel for inputting is with
The first freewheel clutch is provided between heart axle, the gear includes two sets of planetary transmissions and two sets of automatic centrifugation gearshifts
Mechanism, the planetary transmission includes first planet speed changer and the second planetary transmission, and the first planet speed changer includes：
The first row carrier, the first row star-wheel, the first gear ring and the first centre wheel, second planetary transmission includes：Second planet carrier,
Second planetary gear, the second gear ring and the second centre wheel, first centre wheel and the second centre wheel are sheathed on respectively on central shaft
And mutually fix with vehicle frame, first centre wheel is provided separately or is integrally formed with the second centre wheel, the first row carrier with
Second gear ring is provided separately or is integrally formed, the central shaft be fixedly connected with the first gear ring or while with the first row carrier and
Second gear ring is fixedly connected, and the second freewheel clutch, the automatic centrifugation gearshift are provided between second planet carrier and wheel hub
Mechanism includes the first automatic centrifugation gearshift and the second automatic centrifugation gearshift, the first automatic centrifugation gearshift bag
The first pallet piece frame, the first ratchet and at least one first pallet pieces are included, first pallet piece is installed on the first pallet piece frame
On, first pallet piece sets up and is placed in wheel hub, and first ratchet is arranged on the first row carrier or the second gear ring, described
First pallet piece frame is provided with the first elastic component for controlling the first pallet piece initial position, the second automatic centrifugation gearshift
Mechanism includes the second pallet piece frame, the second ratchet and at least one second pallet pieces, and second pallet piece is installed on the second spine
On bluff piece frame, second pallet piece sets up and is placed in wheel hub, and second ratchet is arranged on the first gear ring, second spine
The second elastic component for controlling the second pallet piece initial position is provided with bluff piece frame.
Preferably, a kind of straight line in the present invention tramples single-wheel and directly drives speed changer and is further arranged to：Described first is elastic
Part and the second elastic component are torsion spring, including：Circular mounting portion and the first torque arm protruded out from circular mounting portion and the second torsion
Power bar.
Preferably, a kind of straight line in the present invention tramples single-wheel and directly drives speed changer and is further arranged to：First ratchet
The quantity of part is two, is connected by the first balancing pull rod between two the first pallet pieces, and in a circumferential direction, described first is flat
Weighing apparatus pull bar and the first elastic component are respectively arranged between two the first pallet pieces, first pallet piece include first end, the
Two ends and the first installation portion being arranged between first end and the second end, the first end is provided with balancing weight, institute
State the second end and be provided with the first ratchet portion being engaged with the first ratchet, the first torque arm of first elastic component with wherein
The first end of one the first pallet piece is abutted against, the second torque arm and another first pallet piece of first elastic component
The second end is abutted against, and one end of the balancing pull rod is connected with the first end of one of them the first pallet piece, described flat
The other end of weighing apparatus pull bar is connected with the second end of another the first pallet piece.
Preferably, a kind of straight line in the present invention tramples single-wheel and directly drives speed changer and is further arranged to：Second ratchet
The quantity of part is two, is connected by the second balancing pull rod between two the second pallet pieces, in a circumferential direction, second bullet
Property part and the second balancing pull rod respectively be located at two the second pallet pieces between, second pallet piece include the 3rd end, the 4th
End and the second installation portion being arranged between the 3rd end and the 4th end, the 3rd end is provided with balancing weight, described
4th end is provided with the second ratchet portion being engaged with the second ratchet, the first torque arm of second elastic component and wherein
3rd end of individual second pallet piece abuts against, and the of the second torque arm of second elastic component and another the second pallet piece
Four ends abut against, and one end of second balancing pull rod is connected with the 3rd end of one of them the second pallet piece, described
The other end of the second balancing pull rod is connected with the 4th end of another the second pallet piece.
Preferably, a kind of straight line in the present invention tramples single-wheel and directly drives speed changer and is further arranged to：First ratchet
Fixed mount includes：Several mounting seats that circular base portion and the inwall from circular base portion extend internally, second ratchet is consolidated
The structure for determining frame is identical with the structure of the first ratchet fixed mount.
Preferably, a kind of straight line in the present invention tramples single-wheel and directly drives speed changer and is further arranged to：The one of the wheel hub
End be provided with the first vehicle frame fixture and and tight part, the other end of the wheel hub is provided with the second vehicle frame fixture, on the central shaft
Be provided with boss, the first vehicle frame fixture and and tight part between connected by ball or bearing, the first vehicle frame fixture
It is connected by ball or bearing between wheel hub, is connected by ball or bearing between the second vehicle frame fixture and wheel hub,
Connected by ball or bearing between the second vehicle frame fixture and boss
Compared with prior art, the present invention has the advantages that：Straight line in the present invention is trampled the straight speed changer that drives and is tied
Structure is compact, easy for installation, transmission efficiency, shift gears firm, speed change it is stable, by speed changer arrange number cover automatic centrifugation change
Retaining device, so as to be capable of achieving automatic speed-changing, in addition the speed changer in the present invention can reduce the requirement to stepping on frequency in middle high gear,
So that it is lighter to ride.
【Description of the drawings】
Fig. 1 is that the cathetus of the embodiment of the present invention 1 tramples the main structure diagram that speed changer is directly driven in single-wheel.
Fig. 2 is that the cathetus of the embodiment of the present invention 1 tramples the decomposition texture schematic diagram that speed changer is directly driven in single-wheel.
Fig. 3 is that the cathetus of the embodiment of the present invention 1 tramples the cross section structure diagram that speed changer is directly driven in single-wheel.
Fig. 4 is the structural representation of the first automatic centrifugation gearshift in the embodiment of the present invention 1.
Fig. 5 is the structural representation of the second automatic centrifugation gearshift in the embodiment of the present invention 1.
In figure：1st, central shaft, 10, boss, 11, wheel for inputting, the 12, first freewheel clutch, 2, wheel hub, the 20, first vehicle frame
Fixture, 21 and tight part, the 22, second vehicle frame fixture, 3, first planet speed changer, 30, the first row carrier, 31, first planet
Wheel, the 32, first gear ring, the 33, first centre wheel, the 4, second planetary transmission, the 40, second planet carrier, the 41, second planetary gear, 42,
Second gear ring, the 43, second centre wheel, the 5, first automatic centrifugation gearshift, the 50, first pallet piece frame, 500, circular base portion,
501st, mounting seat, the 51, first pallet piece, 510, first end, 511, the second end, the 512, first installation portion, 513, balancing weight,
514th, the first ratchet portion, the 515, first installing hole, the 52, first ratchet, the 53, first torsion spring, 530, circular mounting portion, 531, first
Torque arm, the 532, second torque arm, the 54, first balancing pull rod, the 6, second automatic centrifugation gearshift, the 60, second pallet piece frame,
61st, the second pallet piece, the 610, the 3rd end, the 611, the 4th end, the 612, second installation portion, 613, balancing weight, the 614, second spine
Claw, the 615, second installing hole, the 62, second ratchet, the 63, second torsion spring, 630, circular mounting portion, the 631, first torque arm,
632nd, the second torque arm, the 64, second balancing pull rod, the 7, first sub-assembly, the 8, second sub-assembly, the 9, second freewheel clutch.
【Specific embodiment】
Single-wheel is trampled to a kind of straight line of the present invention below by specific embodiment and directly drives speed changer work further
Describe in detail.
Embodiment 1
Shown in ginseng Fig. 1 to Fig. 5, a kind of straight line tramples single-wheel and directly drives speed changer, including：Central shaft 1, wheel hub 2 and it is arranged at
Gear between central shaft 1 and wheel hub 2, the central shaft 1 be power input, the wheel hub 2 be power output member, institute
The two ends for stating central shaft 1 are provided with wheel for inputting 11, and the first freewheel clutch is provided between the wheel for inputting 11 and central shaft 1
12, in the present embodiment, 11 and first freewheel clutch of the wheel for inputting 12 forms a sub-assembly, the gear bag
Include two sets of planetary transmissions (planetary transmission 4 of first planet speed changer 3 and second) and two sets of automatic centrifugation gearshifts (first
The automatic centrifugation gearshift 6 of automatic centrifugation gearshift 5 and second).
The first planet speed changer 3 is arranged side by side with the second planetary transmission 4, and the first planet speed changer 3 includes：
The first row carrier 30, the first row star-wheel 31, the first gear ring 32 and the first centre wheel 33, second planetary transmission 4 includes：The
Two planet carriers 40, the second planetary gear 41, the second gear ring 42 and the second centre wheel 43, the centre wheel of first centre wheel 33 and second
43 are integrally formed to form the first sub-assembly 7, and first sub-assembly 7 is sheathed on central shaft 1 and mutually fixes with vehicle frame, and described
One planet carrier 30 and the second gear ring 42 are integrally formed to form the second sub-assembly 8, are provided between second planet carrier 40 and wheel hub 2
Second freewheel clutch 9, second freewheel clutch 9 includes surmounting ratchet and surmounting ratchet, in the present embodiment, described
Surmount ratchet to be arranged on the second planet carrier 40, the ratchet that surmounts is arranged in wheel hub 2, certainly in other embodiments
In, the ratchet that surmounts may also set up in wheel hub 2, and the ratchet that surmounts may also set up on the second planet carrier 40, equally may be used
To realize the present invention, first gear ring 32 is fixedly connected with central shaft 1, in the present embodiment, first gear ring 32 with
Pass through spline connection between central shaft 1.
The first automatic centrifugation gearshift 5 includes the first pallet piece frame 50, two the first pallet pieces 51, the first ratchets
52nd, the first torsion spring 53 and the first balancing pull rod 54, the first ratchet fixed mount 50 includes：Circular base portion 500 and from annulus
Several mounting seats 501 that the inwall of shape base portion 500 extends internally, the torsion spring 53 of first pallet piece 51 and first is pacified by pin
Loaded on the first pallet piece frame 50, in a circumferential direction, the balancing pull rod 54 of first torsion spring 53 and first is located at respectively two
Between first pallet piece 51, the first pallet piece frame 50 is arranged in wheel hub 2 and is integrally formed with wheel hub 2, first spine
Wheel 52 is arranged on the second sub-assembly 8 and is integrally formed with the second sub-assembly 8, and first pallet piece 51 includes first end
510th, the second end 511 and the first installation portion 512 for being arranged between first end 510 and the second end 511, the first end
Portion 510 is provided with balancing weight 513, and the second end 511 is provided with the first ratchet portion 514 being engaged with the first ratchet 52, institute
State the first installation portion 512 and be provided with the first installing hole 515, sell through first installing hole 515 so as to the first pallet piece 51 be pacified
Loaded on the first pallet piece frame 50, first torsion spring 53 include circular mounting portion 530 and protrude out from circular mounting portion 530 the
One torque arm 531 and the second torque arm 532, the circular mounting portion 530 is installed on the first pallet piece frame 50 by pin, described
First torque arm 531 of the first torsion spring 53 is abutted against with the first end 510 of one of them the first pallet piece 51, and described first turns round
Second torque arm 532 of spring 53 is abutted against with the second end 511 of another the first pallet piece 51, first balancing pull rod 54
One end be attached with the first end 510 of one of them the first pallet piece 51, the other end of first balancing pull rod 54
It is attached with the second end 511 of another the first pallet piece 51.
The second automatic centrifugation gearshift 6 includes the second pallet piece frame 60, two the second pallet pieces 61, the second ratchets
62nd, the second torsion spring 63 and the second balancing pull rod 64, the torsion spring 63 of second pallet piece 61 and second is installed on second by pin
On pallet piece frame 60, in a circumferential direction, the balancing pull rod 64 of second torsion spring 63 and second is located at respectively two the second ratchets
Between part 61, the second ratchet fixed mount 60 is arranged in wheel hub 2 and is integrally formed with wheel hub 2, and second ratchet 62 sets
It is placed on the first gear ring 32 and is integrally formed with the first gear ring 32, second pallet piece 61 includes the 3rd end 610, the 4th end
Portion 611 and the second installation portion 612 being arranged between the 3rd end 610 and the 4th end 611, the 3rd end 610 is arranged
There is balancing weight 613, the 4th end 611 is provided with the second ratchet portion 614 being engaged with the second ratchet 62, and described second installs
Portion 612 is provided with the second installing hole 615, sells through second installing hole 615 so as to the second pallet piece 61 is installed on into the second spine
On bluff piece frame 60, second torsion spring 63 includes circular mounting portion 630 and the first torque arm protruded out from circular mounting portion 630
631 and second torque arm 632, the first torque arm 631 of second torsion spring 63 and the 3rd of one of them the second pallet piece 61
End 610 abuts against, the second torque arm 632 of second torsion spring 63 and the 4th end 611 of another the second pallet piece 61
Abut against, one end of second balancing pull rod 64 is attached with the 3rd end 610 of one of them the second pallet piece 61, institute
4th end 611 of the other end and another the second pallet piece 61 of stating the second balancing pull rod 64 is attached.
One end of the wheel hub 2 be provided with the first vehicle frame fixture 20 and and tight part 21, the other end of the wheel hub 2 is provided with the
Two vehicle frame fixtures 22, the central shaft 1 is provided with boss 10, and the first vehicle frame fixture 20 is fixed with the first sub-assembly 7
Connection is integrally formed so that the first sub-assembly 7 is mutually fixed with vehicle frame, the first vehicle frame fixture 20 with and tightly part 21 it
Between connected by ball or bearing, connected by ball or bearing between the first vehicle frame fixture 20 and wheel hub 2, described the
Connected by ball or bearing between two vehicle frame fixtures 22 and wheel hub 2, between the second vehicle frame fixture 22 and boss 10
Connected by ball or bearing.
The cathetus of the present embodiment 1 tramples single-wheel and directly drives the operation principle of speed changer and is：Straight line in the present embodiment tramples list
The straight speed changer that drives of wheel realizes altogether three-step gear shift, and the second freewheel clutch 9 in the present embodiment is normally open, i.e. the second planet carrier
40 remain engagement with wheel hub 2, and power is input into by central shaft 1, and by wheel hub 2 power output is carried out, during bottom gear, due to
First gear ring 32 is fixedly connected with central shaft 1, therefore central shaft 1 is rotated and drives the first gear ring 32 to rotate together, by the first row
The transmission of star-wheel 31, first gear ring 32 imparts power to the first row carrier 30, due to the tooth of the first row carrier 30 and second
Circle 42 is integrally formed, therefore drives the second gear ring 42 to rotate, then by the transmission of the second planetary gear 41, and the second gear ring 42 is by power
The second planet carrier 40 is passed to, because the second planet carrier 40 keeps all the time engaging shape by the second freewheel clutch 9 with wheel hub 2
State, therefore power is ultimately transferred to wheel hub 2 and carries out power output by wheel hub 2 to realize bottom gear, with input speed slowly
Lifted, the speed of wheel hub 2 is also and then lifted, when the opening value to the first automatic centrifugation gearshift 5 is lifted, first automatically from
, due to being provided with balancing weight 513, balancing weight 513 is in centrifugal force for the first end 510 of the first pallet piece 51 in heart gearshift 5
Effect lower edge is moved away from the direction in axle center, in the presence of lever principle so that the spine of the first automatic centrifugation gearshift 5 first
The second end 511 of bluff piece 51 is moved to center of circle direction, so that the first ratchet portion 514 and first on the second end 511
Ratchet 52 is meshed, so that wheel hub 2 is meshed with the second sub-assembly 8, when wheel hub 2 is meshed with the second sub-assembly 8, second
In servo-actuated state, during middle gear speed change, power is input into freewheel clutch 9 by central shaft 1, due to the first gear ring 32 and central shaft 1
It is fixedly connected, therefore power passes to the first gear ring 32, by the transmission of the first row star-wheel 31, the first gear ring 32 transmits power
To the first row carrier 30, the second sub-assembly 8 is formed because the gear ring 42 of the first row carrier 30 and second is integrally formed, therefore power is passed
The second sub-assembly 8 is passed, now the second sub-assembly 8 is meshed by the first automatic centrifugation gearshift 5 with wheel hub 2, thus it is dynamic
Power is ultimately transferred to wheel hub 2 and carries out power output by wheel hub 2, with the further lifting of input speed, the rotating speed of wheel hub 2
Further lifted, when the opening value to the second automatic centrifugation gearshift 6 is lifted, the in the second automatic centrifugation gearshift 6
Due to being provided with balancing weight 613, balancing weight 613 is under the influence of centrifugal force along away from axle for 3rd end 610 of two pallet pieces 61
The direction motion of the heart, in the presence of lever principle so that the 4th of the second pallet piece 61 in the second automatic centrifugation gearshift 6
End 611 to center of circle direction is moved, so that the second ratchet portion 614 on the 4th end 611 is meshed with the second ratchet 62,
So that the first gear ring 32 is meshed with wheel hub 2, and when the first gear ring 32 is meshed with wheel hub 2, the first automatic centrifugation gearshift machine
, in servo-actuated state, during top gear, power is input into by central shaft 1, due to the first gear ring 32 and center for structure 5 and freewheel clutch 9
Axle 1 is fixedly connected, therefore power passes to the first gear ring 32, because the first gear ring 32 passes through the second automatic centrifugation gearshift 6
It is meshed with wheel hub 2, therefore power is directly passed to wheel hub 2 and carries out power output by wheel hub 2, so as to realize top gear, this
Straight line in invention tramples single-wheel and directly drives the requirement that speed changer can reduce to stepping on frequency in middle high gear, for example：In present embodiment
In, it is assumed that the slowest ratio in the present embodiment is set into 2.25:1, the speed ratio between adjacent two gear is 1.5:1.Second is automatic
The working speed that the ratchet of centrifugation gearshift 6 is opened is 135 revs/min, and the ratchet of the first automatic centrifugation gearshift 5 is opened
Working speed be 90 revs/min, then during one-level bottom gear when the input speed of central shaft 1 be 135 revs/min when, the first row
The speed of carrier 30 is 90 revs/min, and the speed of the second planet carrier 40 is 60 revs/min of kinds, and now the output speed of wheel hub 2 is 60
Rev/min, less than 90 revs/min of the working speed that the ratchet of the first automatic centrifugation mechanism 5 is opened.When the input speed of central shaft 1
When mentioning 202.5 revs/min, the speed of the first row carrier 30 is 135 revs/min to degree, the speed of the second planet carrier 40 is 90 turns/
Divide and plant, now the output speed of wheel hub 2 is 90 revs/min, now the first automatic centrifugation ratchet is opened, the driven wheel of the first row carrier 30
Hub 2 is rotated, and speed change is kept off in realization, and now the rotating speed of the first row carrier 30 is 135 revs/min, more than the gearshift of the first automatic centrifugation
90 revs/min of the working speed that the ratchet of mechanism 5 is opened, it is possible to reduce the input speed of central shaft 1, that is, can drop
It is low to trample frequency.When the input speed of central shaft 1 is referring again to 202.5 revs/min, the speed of the first row carrier 30 is 135
Rev/min, the speed of the second planet carrier 40 is 90 revs/min of kinds, and now the output speed of wheel hub 2 is 135 revs/min, now second
Automatic centrifugation ratchet is opened, and the first gear ring 32 drives wheel hub 2 to rotate, and realizes high gear speed change, and now the rotating speed of the first gear ring 32 is
202.5 revs/min, more than 135 revs/min of the working speed that the ratchet of the second automatic centrifugation gearshift 6 is opened, it is possible to
The input speed of central shaft 1 is reduced, that is, can reduce trampling frequency.
Embodiment 2
Straight line in the present embodiment tramples single-wheel and directly drives speed changer remaining structure and tramples single-wheel with the straight line in embodiment 1
Straight drive speed changer is identical, and difference is：In embodiment 1, the central shaft is fixedly connected with the first gear ring, and is implementing
In example 2, the central shaft is fixedly connected with the second sub-assembly.Certainly in other embodiments, the first row carrier and the second tooth
Circle also can be provided separately, and be fixedly connected with central shaft respectively, can equally realize the present invention.The first vehicle frame fixture with
First sub-assembly is fixedly connected or is integrally formed, and certainly in other embodiments, the first centre wheel and the second centre wheel also may be used
It is provided separately, the first centre wheel is fixedly connected or is integrally formed with the first vehicle frame fixture, the second centre wheel and the second vehicle frame are solid
Determine part to be fixedly connected or be integrally formed, can equally realize the present invention.
Present embodiment cathetus tramples single-wheel and directly drives the operation principle of speed changer and is：Straight line in the present embodiment tramples list
The straight speed changer that drives of wheel realizes altogether three-step gear shift, and the freewheel clutch in the present embodiment is normally open, i.e. the second planet carrier and wheel
Hub remains engagement, and power is input into by central shaft, and by wheel hub power output is carried out, and during bottom gear, power is by central shaft
Input, because the second sub-assembly is fixedly connected with central shaft, therefore power passes to the second sub-assembly, and the second sub-assembly is that have the
One planet carrier is integrally formed with the second gear ring, therefore by the transmission of the second planetary gear, the second sub-assembly is imparted power to
Second planet carrier, because the ratchet that surmounts on the second planet carrier keeps engagement with the ratchet that surmounts on wheel hub all the time, therefore
Power is ultimately transferred to wheel hub and carries out power output by wheel hub, with the slowly lifting of input speed, the speed of wheel hub also with
Lifting, when the opening value of lifting to the first automatic centrifugation gearshift, the first end of the first automatic centrifugation gearshift
Due to being provided with balancing weight, balancing weight is moved under the influence of centrifugal force along the direction away from axle center, in the effect of lever principle
Under so that the second end of the first pallet piece of the first automatic centrifugation gearshift is moved to center of circle direction, so that second
The first ratchet portion on end is meshed with the first ratchet, so that wheel hub is meshed with the second sub-assembly, wheel hub and second
When sub-assembly is meshed, in servo-actuated state, during middle speed gear, power is input into freewheel clutch by central shaft, due to the second combination
Part is fixedly connected with central shaft, and the second sub-assembly is meshed with wheel hub again, because power is directly passed to wheel hub and is entered by wheel hub
Action edge is exported, and with the further lifting of input speed, the rotating speed of wheel hub is also further lifted, when lifted to second automatically from
During the opening value of heart gearshift, the 3rd end of the second pallet piece of the second automatic centrifugation gearshift is due to being provided with counterweight
Block, balancing weight is moved under the influence of centrifugal force along the direction away from axle center, in the presence of lever principle so that second is automatic
4th end of the second pallet piece of centrifugation gearshift is moved to center of circle direction, so that the second ratchet on the 4th end
Portion is meshed with the second ratchet, so that the first gear ring is meshed with wheel hub, when the first gear ring is meshed with wheel hub, first certainly
, in servo-actuated state, during top gear, power is input into by central shaft for dynamic centrifugation gearshift and freewheel clutch, due to the second combination
Part is fixedly connected with central shaft, therefore power passes to the second sub-assembly, because the second sub-assembly is by the first row carrier and second
Gear ring is integrally formed and is formed, therefore by the transmission of the first row star-wheel, the first row carrier imparts power to the first gear ring, by
It is meshed with wheel hub in the first gear ring, therefore power is ultimately transferred to wheel hub and carries out power output by wheel hub.
In sum, the straight line in the present invention is trampled compact, easy for installation straight drive speed changer structure, transmission efficiency, is changed
Keep off firm, speed change stable, by arranging number in speed changer automatic centrifugation gearshift is covered, so as to be capable of achieving automatic speed-changing,
In addition the speed changer in the present invention can be reduced to stepping on the requirement of frequency in middle high gear, so that it is lighter to ride.
The principle and its effect of the above embodiments only illustrative the invention, and the enforcement that part uses
Example, it is of the invention not for limiting；It should be pointed out that for the person of ordinary skill of the art, without departing from present invention wound
On the premise of making design, some deformations and improvement can also be made, these belong to protection scope of the present invention.
Claims (6)
1. a kind of straight line tramples single-wheel and directly drives speed changer, it is characterised in that include：Central shaft, it is arranged at the defeated of central shaft two ends
Enter wheel, the wheel hub being arranged between two wheel for inputting and the gear being arranged between central shaft and wheel hub, the central shaft
For power input, the wheel hub is power output member, and the first freewheel clutch is provided between the wheel for inputting and central shaft,
The gear includes two sets of planetary transmissions and two sets of automatic centrifugation gearshifts, and the planetary transmission includes the first row
Star speed changer and the second planetary transmission, the first planet speed changer includes：The first row carrier, the first row star-wheel, the first tooth
Circle and the first centre wheel, second planetary transmission includes：In second planet carrier, the second planetary gear, the second gear ring and second
Heart wheel, first centre wheel and the second centre wheel are sheathed on respectively on central shaft and mutually fix with vehicle frame, first center
Wheel is provided separately or is integrally formed with the second centre wheel, and the first row carrier is provided separately or is integrally formed with the second gear ring,
The central shaft is fixedly connected with the first gear ring or while is fixedly connected with the first row carrier and the second gear ring, second row
The second freewheel clutch is provided between carrier and wheel hub, the automatic centrifugation gearshift includes the first automatic centrifugation gearshift
And the second automatic centrifugation gearshift, the first automatic centrifugation gearshift includes the first pallet piece frame, the first ratchet and extremely
Few first pallet piece, first pallet piece is installed on the first pallet piece frame, and first pallet piece sets up and is placed in wheel
In hub, first ratchet is arranged on the first row carrier or the second gear ring, and the first pallet piece frame is provided with for controlling
First elastic component of the first pallet piece initial position, the second automatic centrifugation gearshift include the second pallet piece frame, second
Ratchet and at least one second pallet pieces, second pallet piece is installed on the second pallet piece frame, the second pallet piece frame
It is arranged in wheel hub, second ratchet is arranged on the first gear ring, is provided with the second pallet piece frame for control the
Second elastic component of two pallet piece initial positions.
2. a kind of straight line as claimed in claim 1 tramples single-wheel and directly drives speed changer, it is characterised in that：First elastic component and
Second elastic component is torsion spring, including：Circular mounting portion and the first torque arm protruded out from circular mounting portion and the second torque arm.
3. a kind of straight line as claimed in claim 2 tramples single-wheel and directly drives speed changer, it is characterised in that：First pallet piece
Quantity is two, is connected by the first balancing pull rod between two the first pallet pieces, and in a circumferential direction, first balance is drawn
Bar and the first elastic component are respectively arranged between two the first pallet pieces, and first pallet piece includes first end, the second end
Portion and the first installation portion being arranged between first end and the second end, the first end is provided with balancing weight, and described
Two ends are provided with the first ratchet portion being engaged with the first ratchet, the first torque arm of first elastic component and one of them
The first end of the first pallet piece is abutted against, the second torque arm of first elastic component and the second of another the first pallet piece
End abuts against, and one end of the balancing pull rod is connected with the first end of one of them the first pallet piece, and the balance is drawn
The other end of bar is connected with the second end of another the first pallet piece.
4. a kind of straight line as claimed in claim 2 tramples single-wheel and directly drives speed changer, it is characterised in that：Second pallet piece
Quantity is two, is connected by the second balancing pull rod between two the second pallet pieces, in a circumferential direction, second elastic component
And second balancing pull rod respectively be located at two the second pallet pieces between, second pallet piece include the 3rd end, the 4th end
And the second installation portion being arranged between the 3rd end and the 4th end, the 3rd end is provided with balancing weight, and the described 4th
End is provided with the second ratchet portion being engaged with the second ratchet, the first torque arm of second elastic component with one of them
3rd end of two pallet pieces abuts against, the second torque arm of second elastic component and the 4th end of another the second pallet piece
Portion abuts against, and one end of second balancing pull rod is connected with the 3rd end of one of them the second pallet piece, and described second
The other end of balancing pull rod is connected with the 4th end of another the second pallet piece.
5. a kind of straight line as claimed in claim 1 tramples single-wheel and directly drives speed changer, it is characterised in that：First ratchet is fixed
Frame includes：Several mounting seats that circular base portion and the inwall from circular base portion extend internally, the second ratchet fixed mount
Structure it is identical with the structure of the first ratchet fixed mount.
6. a kind of straight line as claimed in claim 1 tramples single-wheel and directly drives speed changer, it is characterised in that：One end of the wheel hub sets
Have the first vehicle frame fixture and and tight part, the other end of the wheel hub is provided with the second vehicle frame fixture, and the central shaft is provided with
Boss, the first vehicle frame fixture and and tight part between connected by ball or bearing, the first vehicle frame fixture and wheel
Connected by ball or bearing between hub, connected by ball or bearing between the second vehicle frame fixture and wheel hub, it is described
Connected by ball or bearing between second vehicle frame fixture and boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042881.7A CN106627975B (en) | 2017-01-20 | 2017-01-20 | Single-wheel direct-drive transmission is trampled to straight line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042881.7A CN106627975B (en) | 2017-01-20 | 2017-01-20 | Single-wheel direct-drive transmission is trampled to straight line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106627975A true CN106627975A (en) | 2017-05-10 |
| CN106627975B CN106627975B (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042881.7A Active CN106627975B (en) | 2017-01-20 | 2017-01-20 | Single-wheel direct-drive transmission is trampled to straight line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985962A (en) * | 2017-05-11 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of single wheel drive three keeps off speed change gear |
| CN106985964A (en) * | 2017-05-11 | 2017-07-28 | 张家港川梭车业有限公司 | Movable gear-shifting three-gear speed change device with single-wheel drive pawl |
| CN107719574A (en) * | 2017-10-23 | 2018-02-23 | 张家港市九鼎机械有限公司 | A kind of centre wheel inputs two shift transmissions |
| CN108361331A (en) * | 2018-04-23 | 2018-08-03 | 张家港川梭车业有限公司 | A kind of single wheel drive straight line tramples three shift transmissions |
| CN108974243A (en) * | 2018-09-12 | 2018-12-11 | 昆山唐泽新能源科技有限公司 | A kind of fluid drive flower-drum |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985962A (en) * | 2017-05-11 | 2017-07-28 | 张家港川梭车业有限公司 | A kind of single wheel drive three keeps off speed change gear |
| CN106985964A (en) * | 2017-05-11 | 2017-07-28 | 张家港川梭车业有限公司 | Movable gear-shifting three-gear speed change device with single-wheel drive pawl |
| CN107719574A (en) * | 2017-10-23 | 2018-02-23 | 张家港市九鼎机械有限公司 | A kind of centre wheel inputs two shift transmissions |
| CN108361331A (en) * | 2018-04-23 | 2018-08-03 | 张家港川梭车业有限公司 | A kind of single wheel drive straight line tramples three shift transmissions |
| CN108974243A (en) * | 2018-09-12 | 2018-12-11 | 昆山唐泽新能源科技有限公司 | A kind of fluid drive flower-drum |
| CN108974243B (en) * | 2018-09-12 | 2024-02-13 | 昆山唐泽新能源科技有限公司 | Automatic speed-changing hub |
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| CN106627975B (en) | 2021-12-17 |
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