CN107131271A - A kind of automatically controlled CVT stepless speed variator systems - Google Patents
A kind of automatically controlled CVT stepless speed variator systems Download PDFInfo
- Publication number
- CN107131271A CN107131271A CN201710315324.8A CN201710315324A CN107131271A CN 107131271 A CN107131271 A CN 107131271A CN 201710315324 A CN201710315324 A CN 201710315324A CN 107131271 A CN107131271 A CN 107131271A
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- cvt
- driving wheels
- driven pulleys
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- disk
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- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 claims 2
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/14—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using only one pulley built-up out of adjustable conical parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of automatically controlled CVT stepless speed variator systems, its CVT driving wheel includes the CVT driving wheel movable disks that can be moved axially relatively, CVT driven pulleys include the CVT driven pulley movable disks that can be moved axially relatively, CVT driven pulley fixed disks, closed loop transmission band one end is in CVT driving wheel movable disks, in relative taper card between CVT driving wheel fixed disks, the other end is in CVT driven pulley movable disks, in relative taper card between CVT driven pulley fixed disks, wherein, CVT driving wheel movable disks are snug fit on the outrigger shaft of CVT driving wheel fixed disks end, and the CVT driving wheel fixed disks end outrigger shaft runs through and is movably positioned at by bearing on a fixation leading screw, it is installed with the outrigger shaft of CVT driving wheel movable disks end by clutch shaft bearing by motor-driven driven gear, the feed screw nut that the driven gear is matched with activity on fixed leading screw is connected；CVT driven pulley movable disks are snug fit on the outrigger shaft of CVT driven pulley fixed disks end, and be connected between the CVT driven pulleys movable disk and the spring base that is fixed positioned on the CVT driven pulley fixed disks end outrigger shaft there is the spiral rolling track being engaged with the roller on the outrigger shaft of CVT driven pulley fixed disks end on spring, CVT driven pulley movable disk endoporus.
Description
Technical field
The present invention relates to non-rice habitats car stepless speed variator system, and in particular to a kind of automatically controlled CVT stepless speed variator systems.
Background technology
Current CVT stepless speed variator system main flows are divided into following several forms：
1st, CVT driving wheels use ball-type structure, and it is operated based on rotary centrifugal force principle, and CVT driven pulleys are used
Spring adds raceway adaptive mechanism, so as to combine the change for completing speed change system gearratio；
2nd, CVT driving wheels use swinging block type structure, and it is operated based on rotary centrifugal force principle, and CVT driven pulleys are used
Spring adds raceway adaptive mechanism, so as to combine the change for completing speed change system gearratio；
3rd, CVT driven wheels use hydraulic mechanism for executing agency, and realize that speed change system is driven with reference to control module
The change of ratio.
In above scheme, scheme 1,2 is respectively provided with the shortcomings of service life is short, transmission moment of torsion is small, and there is scheme 3 transmission to imitate
Rate is low, and manufacturing cost is high, the shortcomings of being not easy to safeguard.
The content of the invention
For above-mentioned weak point of the prior art, the present invention is intended to provide a kind of automatically controlled CVT stepless speed variator systems, compared with
For traditional CVT stepless speed variator systems, compact conformation, manufacturing cost is low, simple operation and reliability height.
To achieve these goals, technical scheme：A kind of automatically controlled CVT stepless speed variator systems, it includes passing through
The CVT driving wheels and CVT driven pulleys of closed loop transmission drive transmission connection, the CVT driving wheels include being coaxially disposed and can edges
The CVT driving wheels movable disk of axially opposing movement, CVT driving wheel fixed disks, the CVT driven pulleys include being coaxially disposed and can edges
The CVT driven pulleys movable disk of axially opposing movement, CVT driven pulley fixed disks, described closed loop transmission band one end are in the CVT master
In relative taper card between driving wheel movable disk, CVT driving wheel fixed disks, the other end be in the CVT driven pulleys movable disk,
In relative taper card between CVT driven pulley fixed disks, it is characterised in that：
The CVT driving wheels movable disk is snug fit on the outrigger shaft of the CVT driving wheels fixed disk end, and the CVT
Driving wheel fixed disk end outrigger shaft runs through and is movably positioned at by bearing on a fixation leading screw, the CVT driving wheels activity
It is installed with the outrigger shaft of disk end by clutch shaft bearing by motor-driven driven gear, the driven gear is matched with institute with activity
The feed screw nut stated on fixed leading screw is connected；
The CVT driven pulleys movable disk is snug fit on the outrigger shaft of the CVT driven pulleys fixed disk end, and the CVT
Spring is connected between driven pulley movable disk and the spring base being fixed positioned on the CVT driven pulley fixed disks end outrigger shaft,
Have what is be engaged with the roller on the outrigger shaft of the CVT driven pulleys fixed disk end on the CVT driven pulleys movable disk endoporus
Spiral rolling track.
Further, the output end of the motor is coaxially fixed with worm screw, and the worm screw is passed by worm gear and gear shaft power
Connection is passed, the gear shaft is meshed with the driven gear.
Further, the fixed leading screw has an axially extending bore, the CVT driving wheels fixed disk end outrigger shaft through
In the axially extending bore and fixed leading screw endoporus two ends pass through second bearing, the 3rd needle bearing and CVT actives respectively
Wheel fixed disk end outrigger shaft is connected.
Further, the clutch shaft bearing two ends are axially positioned on the CVT master by the first collar, the second collar respectively
On driving wheel movable disk end outrigger shaft, driven gear endoporus, locking screw is passed through between the driven gear and the feed screw nut
Bolt is fastened.
Further, the CVT driving wheels fixed disk and its end outrigger shaft are integrally formed or split is connected or/and institute
State CVT driven pulleys fixed disk and its end outrigger shaft is integrally formed or split is connected.
Further, also include and control the control module of the motor start and stop or rotating, the CVT driven pulleys are entered
Row rotation speed monitoring and directly secondary speed sensor just to the CVT driven pulleys fixed disk, the CVT driving wheels are carried out
Displacement monitoring and directly driving wheel displacement transducer just to the driven gear and rotating speed prison is carried out to the CVT driving wheels
Survey and the active wheel speed sensor directly just to the CVT driving wheels fixed disk, wherein, the secondary speed sensor,
Driving wheel displacement transducer, active wheel speed sensor are electrically connected with the control module respectively.
Beneficial effects of the present invention：The system is combined using automatically controlled with mechanical transfer, compared with traditional CVT variable speed system
For system, compact conformation, manufacturing cost is low, simple operation and reliability height.
Brief description of the drawings
Fig. 1 is the attachment structure figure between CVT driving wheels and CVT driven pulleys in the present invention；
Fig. 2 is the connection sectional structure chart between CVT driving wheels and motor in the present invention；
Fig. 3 is the connection sectional structure chart between CVT driving wheels and CVT driven pulleys in the present invention.
Embodiment
The present invention is further described with reference to specific embodiment and accompanying drawing.
A kind of CVT stepless speed variator systems automatically controlled as described in Fig. 1-Fig. 3, including connection is transmitted by the power of closed loop transmission band 7
CVT driving wheels 6 and CVT driven pulleys 8, the CVT driving wheels 6 include the CVT that is coaxially disposed and can move axially relatively actively
Take turns movable disk 14, CVT driving wheels fixed disk 15, CVT driven pulleys 8 include the CVT that is coaxially disposed and can move axially relatively from
Driving wheel movable disk 29, CVT driven pulleys fixed disk 30, one end of closed loop transmission band 7 are in CVT driving wheels movable disk 14, CVT driving wheels
In relative taper card between fixed disk 15, the other end be in CVT driven pulleys movable disk 29, CVT driven pulleys fixed disk 30 it
Between relative taper card on, wherein,
CVT driving wheels movable disk 14 is snug fit on the end outrigger shaft of CVT driving wheels fixed disk 15, and the CVT is actively
The wheel end outrigger shaft of fixed disk 15 runs through and is movably positioned at by bearing on a fixation leading screw 20, CVT driving wheels movable disk 14
The driven gear 11 driven by motor 1 is installed with by clutch shaft bearing 13 on the outrigger shaft of end, the driven gear 11 is matched somebody with somebody with activity
It is connected together in the feed screw nut 19 on fixed leading screw 20；
CVT driven pulleys movable disk 29 is snug fit on the end outrigger shaft of CVT driven pulleys fixed disk 30, and the CVT is driven
Spring is connected between wheel movable disk 29 and the spring base 25 being fixed positioned on the end outrigger shaft of CVT driven pulleys fixed disk 30
Have what is be engaged with the roller 27 on the end outrigger shaft of CVT driven pulleys fixed disk 30 on the endoporus of 26, CVT driven pulley movable disk 29
Spiral rolling track.
The present invention is connected dynamic between CVT driving wheels 6, CVT driven pulleys 8 by the such as closed loop steel band of closed loop transmission band 7
Power is transmitted, wherein, such as internal spline is equipped with CVT driving wheels 6 as input connection end, and output is installed with CVT driven pulleys 8
Gear 31 carries out power output connection end, and it is to form CVT variable speed between the two that two ends, which connect corresponding input and output,.
Specifically, motor 1 using can rotating servomotor.The output end of the motor 1 is coaxially fixed with worm screw 3, and
The two ends of worm screw 3 are distinguished 3rd bearing 2, fourth bearing 4 and positioned, and the worm screw 3 is transmitted by worm gear 5 and the power of gear shaft 10 to be connected
Connect, worm gear 5 is formed with worm screw 3 and engaged, and the worm gear 5 is placed on gear shaft 10 admittedly, and the two ends of gear shaft 10 pass through the 5th axle respectively
Hold 9 to be positioned, the gear shaft 10 is meshed with driven gear 11.
Here, CVT driving wheels movable disk 14, CVT driving wheels fixed disk 15, CVT driven pulleys movable disk 29, CVT driven pulleys
One end of fixed disk 30 is respectively provided with outrigger shaft, wherein, CVT driving wheels fixed disk 15 and its end outrigger shaft are integrally formed or split
Connected or/and CVT driven pulleys fixed disk 30 and its end outrigger shaft are integrally formed or split is connected, CVT driving wheel fixed disks
15th, the set-up mode of CVT driven pulleys fixed disk 30 flexibly, but need to ensure use intensity and with corresponding CVT driving wheels movable disk
14th, the fit precision between CVT driven pulleys movable disk 29, to ensure the normal operation and follow-up variable speed of closed loop transmission band 7
Smoothness.Meanwhile, CVT driving wheels movable disk 14, CVT driven pulleys movable disk 29 are respectively provided with central shaft hole, correspond to respectively and CVT
The end outrigger shaft of driving wheel fixed disk 15, the end outrigger shaft of CVT driven pulleys fixed disk 30 are slidably matched.
As shown in Fig. 2 fixed leading screw 20 is relatively fixed, it has axially extending bore, the extension of the end of CVT driving wheels fixed disk 15
Axle through in the axially extending bore and fixed endoporus two ends of leading screw 20 respectively by second bearing 21, the 3rd needle bearing 22 with
The end outrigger shaft of CVT driving wheels fixed disk 15 is connected, wherein, second bearing 21 is in outboard end, the 3rd needle bearing 22
In inner side, pass through the outer step on the interior step of the fixed axially extending bore of leading screw 20, the end outrigger shaft of CVT driving wheels fixed disk 15
Between coordinate the 3rd needle bearing 22, to ensure connective stability between the two.In order to ensure that CVT driving wheels fixed disk 15 is whole
The stability of body, sets 6th bearing 16 to be balanced support in the non-extended shaft end of CVT driving wheels fixed disk 15.
The two ends of clutch shaft bearing 13 are axially positioned on CVT driving wheel movable disks by the first collar 12, the second collar 17 respectively
On 14 end outrigger shafts, the endoporus of driven gear 11, fastened between driven gear 11 and feed screw nut 19 by clamping screw 18, silk
Screw thread coordinates between thick stick nut 19 and fixed leading screw 20.Here, threaded bore, locking are directly carried out in the side of driven gear 11
Vertical side of the bolt 18 on feed screw nut 19 pass through and with the threaded bore carry out with.
On CVT driven pulleys 8, the two ends of CVT driven pulleys fixed disk 30 are supported by 7th bearing 23 position respectively.And spring base
25 are positioned on the shaft shoulder on the end outrigger shaft of CVT driven pulleys fixed disk 30 and are locked by nut 24, in CVT driven pulleys
The fixed movable disk spring base 28 in the end of movable disk 29, the two ends of spring 26 are then directly fixed on the spring base 25, movable disk spring
On the disk body of seat 28.The quantity of roller 27 is one, and it coordinates with the spiral rolling track in CVT driven pulleys movable disk 29.Pass through spring
26 memory function realizes the adaptation function of CVT driven pulleys 8.
Finally, the system also includes the control module 35 of the start and stop of controlled motor 1 or rotating, CVT driven pulleys 8 is carried out
Rotation speed monitoring and directly secondary speed sensor 32 just to CVT driven pulleys fixed disk 30, displacement is carried out to CVT driving wheels 6
Monitor driving wheel displacement transducer 33 simultaneously directly just to driven gear 11 and rotation speed monitoring is carried out and direct to CVT driving wheels 6
Just to the active wheel speed sensor 34 of CVT driving wheels fixed disk 15, wherein, secondary speed sensor 32, driving wheel displacement
Sensor 33, active wheel speed sensor 34 are electrically connected with control module 35 respectively.Control module 35, which need to have, to be known respectively
The signal that other and reading secondary speed sensor 32, driving wheel displacement transducer 33, active wheel speed sensor 34 are sent to,
And analyzed and handled, then revertive control motor 1 start and stop and rotating.Therefore, the control module 35 is with existing at present each
The intelligent controllers or single-chip microcomputer etc. such as PLC or MCU is planted to can be achieved.
The mode of operation of the system has：
1st, motor 1 is rotated forward under the control of control module 35, motor 1 drive successively worm screw 3, worm gear 5, gear shaft 10 and from
Moving gear 11, and driven gear 11 drives feed screw nut 19 to rotate and move axially on fixed leading screw 20 again, because of fixed leading screw
20 are relatively fixed, then feed screw nut 19 promotes the activity of CVT driving wheels by clutch shaft bearing 13, the first collar 12, the second collar 17
Disk 14 moves to close to the side of CVT driving wheels fixed disk 15, while CVT driven pulleys 8 are total in spring 26, roller 27, spiral rolling track
Under same-action so that complete adaptive between CVT driven pulleys movable disk 29 and CVT driven pulleys fixed disk 30, and then realize transmission
The reduction of ratio.
2nd, motor 1 is not rotated under the control of control module 35, i.e., worm screw 3, worm gear 5, gear shaft 10 and driven gear 11,
Feed screw nut 19 is in inactive state, and is sent out between CVT driving wheels movable disk 14 and driven gear 11 by clutch shaft bearing 13
It is raw to relatively rotate, at this moment, it is attached between CVT driving wheels 6 and CVT driven pulleys 8 by closed loop transmission band 7, realizes that power is passed
Pass while keeping gearratio constant.
3rd, motor 1 is inverted under the control of control module 35, and motor 1 by driving worm screw 3, worm gear 5, gear shaft 10 successively
And driven gear 11, and driven gear 11 drives feed screw nut 19 to rotate and move axially, leading screw spiral shell on fixed leading screw 20 again
Mother 19 promotes CVT driving wheels movable disk 14 to away from CVT driving wheels by clutch shaft bearing 13, the first collar 12, the second collar 17
The side of fixed disk 15 is moved, while CVT driven pulleys 8 are under spring 26, roller 27, the collective effect of spiral rolling track so that CVT is driven
Take turns and complete adaptive between movable disk 29 and CVT driven pulleys fixed disk 30, and then realize the increase of gearratio.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Simultaneously for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
It will change in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (6)
1. a kind of automatically controlled CVT stepless speed variator systems, including the CVT driving wheels (6) connected are transmitted by closed loop transmission band (7) power
With CVT driven pulleys (8), the CVT driving wheels (6) include the CVT driving wheels activity that is coaxially disposed and can move axially relatively
Disk (14), CVT driving wheels fixed disk (15), the CVT driven pulleys (8) include what is be coaxially disposed and can move axially relatively
CVT driven pulleys movable disk (29), CVT driven pulleys fixed disk (30), described closed loop transmission band (7) one end are in the CVT actively
Take turns in the relative taper card between movable disk (14), CVT driving wheels fixed disk (15), the other end is in the CVT driven pulleys
In relative taper card between movable disk (29), CVT driven pulleys fixed disk (30), it is characterised in that：
The CVT driving wheels movable disk (14) is snug fit on the outrigger shaft of CVT driving wheels fixed disk (15) end, and should
CVT driving wheels fixed disk (15) end outrigger shaft runs through and is movably positioned at by bearing on a fixation leading screw (20), the CVT
The driven gear driven by motor (1) is installed with by clutch shaft bearing (13) on the outrigger shaft of driving wheel movable disk (14) end
(11) feed screw nut (19) that, the driven gear (11) is matched with activity on the fixed leading screw (20) is connected；
The CVT driven pulleys movable disk (29) is snug fit on the outrigger shaft of CVT driven pulleys fixed disk (30) end, and should
CVT driven pulleys movable disk (29) and the spring base (25) being fixed positioned on CVT driven pulleys fixed disk (30) end outrigger shaft
Between be connected with spring (26), CVT driven pulleys movable disk (29) endoporus have and the CVT driven pulleys fixed disk (30)
The spiral rolling track that roller (27) on the outrigger shaft of end is engaged.
2. a kind of automatically controlled CVT stepless speed variator systems according to claim 1, it is characterised in that：The output of the motor (1)
End is coaxially fixed with worm screw (3), and the worm screw (3) is connected by worm gear (5) with the transmission of gear shaft (10) power, the gear shaft
(10) it is meshed with the driven gear (11).
3. a kind of automatically controlled CVT stepless speed variator systems according to claim 1, it is characterised in that：The fixed leading screw (20)
With axially extending bore, CVT driving wheels fixed disk (15) the end outrigger shaft is through in the axially extending bore and the fixed silk
Thick stick (20) endoporus two ends pass through second bearing (21), the 3rd needle bearing (22) and the CVT driving wheels fixed disk (15) respectively
End outrigger shaft is connected.
4. a kind of automatically controlled CVT stepless speed variator systems according to claim 1, it is characterised in that：The clutch shaft bearing (13)
Two ends are axially positioned on CVT driving wheels movable disk (14) end by the first collar (12), the second collar (17) respectively and prolonged
Stretch axle, on driven gear (11) endoporus, clamping screw is passed through between the driven gear (11) and the feed screw nut (19)
(18) fasten.
5. a kind of automatically controlled CVT stepless speed variator systems according to claim 1, it is characterised in that：The CVT driving wheels are fixed
Disk (15) and its end outrigger shaft are integrally formed or split is connected or/and the CVT driven pulleys fixed disk (30) and its end are prolonged
Stretch axle be integrally formed or split be connected.
6. a kind of automatically controlled CVT stepless speed variator systems according to claim 1, it is characterised in that：Also include control described
The control module (35) of motor (1) start and stop or rotating, to the CVT driven pulleys (8) carry out rotation speed monitoring and directly just to institute
State the secondary speed sensor (32) of CVT driven pulleys fixed disk (30), displacement monitoring is carried out simultaneously to the CVT driving wheels (6)
Directly driving wheel displacement transducer (33) just to the driven gear (11) and rotating speed prison is carried out to the CVT driving wheels (6)
Survey and the active wheel speed sensor (34) directly just to the CVT driving wheels fixed disk (15), wherein, the secondary speed
Sensor (32), driving wheel displacement transducer (33), active wheel speed sensor (34) are electric with the control module (35) respectively
Property connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315324.8A CN107131271A (en) | 2017-05-08 | 2017-05-08 | A kind of automatically controlled CVT stepless speed variator systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315324.8A CN107131271A (en) | 2017-05-08 | 2017-05-08 | A kind of automatically controlled CVT stepless speed variator systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131271A true CN107131271A (en) | 2017-09-05 |
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ID=59731644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315324.8A Pending CN107131271A (en) | 2017-05-08 | 2017-05-08 | A kind of automatically controlled CVT stepless speed variator systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131271A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674980A (en) * | 2020-05-10 | 2020-09-18 | 邓书城 | Rubber cloth rewinding device |
| CN112032266A (en) * | 2020-10-26 | 2020-12-04 | 山东交通职业学院 | Mechanical type reinforcement transmission |
| US20220228651A1 (en) * | 2021-01-19 | 2022-07-21 | Shark Wheel, Inc. | Continuously variable transmission system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674980A (en) * | 2020-05-10 | 2020-09-18 | 邓书城 | Rubber cloth rewinding device |
| CN111674980B (en) * | 2020-05-10 | 2022-04-29 | 四川道弘新材料有限公司 | Rubber cloth rewinding device |
| CN112032266A (en) * | 2020-10-26 | 2020-12-04 | 山东交通职业学院 | Mechanical type reinforcement transmission |
| US20220228651A1 (en) * | 2021-01-19 | 2022-07-21 | Shark Wheel, Inc. | Continuously variable transmission system |
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Application publication date: 20170905 |