CN106499783B - A kind of speed changer based on variable diameters belt pulley - Google Patents
A kind of speed changer based on variable diameters belt pulley Download PDFInfo
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- CN106499783B CN106499783B CN201610962327.6A CN201610962327A CN106499783B CN 106499783 B CN106499783 B CN 106499783B CN 201610962327 A CN201610962327 A CN 201610962327A CN 106499783 B CN106499783 B CN 106499783B
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- strip
- round bar
- belt
- plate
- diameter
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/54—Pulleys or friction discs of adjustable construction of which the bearing parts are radially adjustable
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
- F16H61/6625—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of torque
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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
- 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
- F16H9/10—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 provided with radially-actuatable elements carrying the belt
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
- F16H2061/66204—Control for modifying the ratio control characteristic
- F16H2061/66218—Control for modifying the ratio control characteristic dependent on control input parameters other than ambient conditions or driver's choice
Abstract
The invention belongs to transmission technology fields, more particularly to a kind of speed changer based on variable diameters belt pulley, it includes fast pulley, belt, diameter-variable wheel, wherein diameter-variable wheel drives fast pulley rotation by belt, the diameter of fast pulley is constant in transmission process, and the diameter of diameter-variable wheel changes according to the torque that input shaft is transmitted, and diameter is changed, the transmission ratio of two belt pulleys is changed, and has achieved the purpose that speed change.Belt is also equipped with belt pre-tightening mechanism in transmission, because after the diameter of variable diameters wheel changes, effective Belt Length needed for transmission is changed, and overcomes this variation by belt pre-tightening mechanism, ensures that belt is in tension always in speed change.If being used together this variable diameters wheel as automotive transmission with the wheel of fixed diameter, then when going up a slope or accelerating to overtake other vehicles, automobile will automatically obtain larger torque and acceleration.With higher using effect.
Description
Technical field
The invention belongs to transmission technology field more particularly to a kind of speed changers based on variable diameters belt pulley.
Background technology
Many power industries have used speed changer at present, automatic transmission as in a kind of speed changer high-tech it is automatic
Change technology is also gradually popularized, automobile as wherein using the most machinery equipment of automatic transmission, automatic transmission technology with
The development for electronics industry is very advanced, and automatic transmission more speed identifications and becomes relative to transmission manual transmission
Speed control, identifies speed and control has often used electronic technology, and automatic transmission is made to have many electronic sections,
Electronic equipment is as a kind of detection part of automatic variator speed change, and reliability is certainly be not as reliable as machinery identification speed change.This
Invented using belt pulley by mechanical structure incudes achieve the purpose that change transmission ratio, need not manually shift gears change
Speed.Wherein variable diameter pulley has important research significance.
The present invention design a kind of speed changer based on variable diameters belt pulley solve the problems, such as it is as above.
Invention content
To solve drawbacks described above in the prior art, the present invention discloses a kind of speed changer based on variable diameters belt pulley, it
It is realized using following technical scheme.
A kind of speed changer based on variable diameters belt pulley, it is characterised in that：It includes fast pulley, belt, diameter-variable wheel,
Wherein diameter-variable wheel can be straightened by the belt pulley installed on input shaft, fast pulley by the belt pulley installed on output shaft
Diameter wheel is connect by belt with fast pulley.
Above-mentioned fast pulley includes output shaft, the first fixing end, driving round bar, the second fixing end, wherein the first fixing end is pacified
On output shaft, 10-14 roots drive round bar to be equidistantly mounted on the first fixing end end face edge, the installation of the second fixing end
In the driving round bar other side, and the first fixing end and the second fixing end are symmetrical relative to the driving round bar plane of symmetry.
Above-mentioned belt includes belt unit, and wherein belt is made of several belt units, passes through hinge between belt unit
Connection；Belt unit include cell enclosure, first axle, strip, second hinge, adjustment spring, positive stop strip, strip chamber, limit chamber,
Strip limits bottom plate, strip inner concave, and there is strip chamber and both sides to all have limit chamber wherein among cell enclosure, among cell enclosure
Positive stop strip is installed, positive stop strip is located at strip chamber upper end；First axle is single journal stirrup, and three first axles are equidistantly mounted on unit
Shell side；Second hinge is double journal stirrups, and three second hinges are equidistantly mounted on the other side of cell enclosure；Strip is limited mounted on strip
Strip is stretched out on the bottom plate of position and strip limit bottom plate both ends, and strip upper end both sides have strip inner concave；It is installed in strip chamber
There are two strips to limit bottom plate, and the part of strip is stretched out at strip limit bottom plate both ends and limit chamber coordinates, and is pacified in strip chamber
Two strips on two strips limit bottom plate of dress are located at positive stop strip both sides；It has been mounted equidistant between two strip limit bottom plates
5 adjustment springs；Pass through the of the first axle of front belt unit and rear belt unit between two neighboring belt unit
Two hinge coordinate and it is hinged.
Above-mentioned diameter-variable wheel include input shaft, drive ring support, drive ring, driving plectane, cylinder axis, round bar slide plate,
First spiral track, the first rail support plate, barrel, runner, guide block, inner shaft, the first sliding block, the second sliding block, positioning plate, runner shaft,
Scroll spring, barrel end plate, the second slideway, conduit, the first slideway, the second rail support plate, the second spiral track, wherein round bar slide plate
Circumferential on side to be uniformly provided with 13 the second slideways radially, the other side of the round bar slide plate of corresponding second slideway is opened
There is the first slideway, is connected by conduit between the first slideway and the second slideway；Two round bar slide plates are mounted on cylinder axis both sides,
In round bar slide plate be mounted on the top of cylinder axis one end, another round bar slide plate installation site is apart from another top of cylinder axis
With certain distance；Drive round bar both ends mounting structure identical, for wherein any one end, the second sliding block, guide block, first
Sliding block is sequentially connected, and is mounted on driving round bar one end by the first sliding block, and runner shaft is mounted on second by positioning plate and slides
On block, runner is mounted in runner shaft；13 driving round bars are mounted between two round bar slide plates, and each is driven
Dynamic round bar, installation pass through the first sliding block, guide block, the second sliding block and first in the round bar slide plate of corresponding one end per one end
Slideway, conduit, the second slideway coordinate and are mounted between the round bar slide plate of both sides；Also there is certain distance apart from cylinder axis one end
Round bar slide plate side：First rail support plate is mounted on cylinder axis, and the first spiral track is mounted on the first rail support plate, runner and the
The helical orbit of one spiral track coordinates, and scroll spring inner end is mounted on cylinder axis outer edge surface, and outer end is mounted on the first rail support plate,
Barrel end plate is mounted on by barrel in the first rail support plate outer rim, and inner shaft one end is mounted among barrel end plate, and inner shaft is nested in
In cylinder axis；Round bar slide plate side mounted on cylinder axis top：Second rail support plate is mounted on inner shaft one end, the installation of the second spiral track
On the second rail support plate, the helical orbit of runner and the second spiral track coordinates, and drive ring is by driving plectane to be slided mounted on round bar
On rail plate outer edge surface, input shaft is mounted on by drive ring support on drive ring；The positioning installed between 13 driving round bars
The length of plate is different, and the difference of length need to ensure that 13 driving round bars are concyclic.
The space before adjacent strip in above-mentioned belt coordinates with driving round bar.
As being further improved for this technology, above-mentioned scroll spring outer end is mounted on the first rail support plate by spring anchor block
On.
As being further improved for this technology, above-mentioned first rail support plate is mounted on by axle sleeve on cylinder axis.
As being further improved for this technology, the radical of above-mentioned driving round bar can also be 10-12,14-20 root.
As being further improved for this technology, above-mentioned second sliding block, guide block, the first sliding block are passed sequentially through and are welded to connect.
Relative to traditional transmission technology, diameter-variable wheel drives fast pulley rotation by belt in the present invention, fixed
The diameter of wheel is constant in transmission process, and the diameter of diameter-variable wheel changes according to the torque that input shaft is transmitted, directly
Diameter is changed, and the transmission ratio of two belt pulleys is changed, and has achieved the purpose that speed change.Belt is also installed in transmission
There is belt pre-tightening mechanism, because after the diameter of variable diameters wheel changes, effective Belt Length needed for transmission is become
Change, this variation is overcome by belt pre-tightening mechanism, ensures that belt is in tension always in speed change.Belt unit in belt
There are two strip, the parts of strip to be connected by adjustment spring for tool, and adjustment spring pulling force can ensure that two strips clamp driving circle
Bar, when driving round bar to be snapped between the strip adjacent into two belt units, two strips are by respective same belt
The strip of unit is pressed by adjustment spring, remains able to clamp driving round bar.Diameter-variable wheel is mounted on input shaft, input
Axis, drive ring support, the round bar slide plate composition rotation of drive ring, driving plectane, the round bar slide plate of side, cylinder axis, the other side
Turn whole, can be rotated under input shaft drive together.On the other hand, cylinder axis is generated by scroll spring by certain rotation
Enough torque the first rail support plates of drive, the rotation that the first rail support plate can be stablized by the effect of axle sleeve on cylinder axis, first
Rail support plate drives the rotation of the first spiral track, spiral track to rotate the rotation with round bar slide plate because the effect of scroll spring generates phase
Potential difference causes position of the runner in the first spiral track track to change, and phase difference is bigger, and position of the runner in track becomes
Change is bigger, affects radial distance of first sliding block apart from cylinder axis.First rail support plate passes through barrel, barrel end plate, inner shaft simultaneously
The second rail support plate rotation of the other end is driven, and then drives the rotation of the second spiral track, promotes corresponding runner that change in location occurs；
Interior shaft design plays the role of the first spiral track and the second spiral track rotary speed angle of synchronous driving round bar both sides, makes drive
Dynamic round bar both sides make the radial distance of itself and cylinder axis change simultaneously by identical power, reach and steadily change diameter
Purpose.The length of positioning plate used in driving round bar is different, because for the roller position in spiral track, is owned
Radial distance of the runner apart from spiral track center is different, in order to ensure to drive round bar concyclic, it is necessary to which positioning plate eliminates spiral shell
Revolve the influence of rail track.
Description of the drawings
Fig. 1 is variable diameters belt sheave structure schematic diagram.
Fig. 2 is variable diameters belt sheave structure sectional view.
Fig. 3 is drive ring scheme of installation.
Fig. 4 is driving round bar scheme of installation.
Fig. 5 is round bar sliding rail plate structure schematic diagram.
Fig. 6 is positioning plate length schematic diagram.
Fig. 7 is driving round bar two-end structure schematic diagram.
Fig. 8 is change scheme of installation.
Fig. 9 is the first rail support plate and the second rail support plate scheme of installation.
Figure 10 is barrel scheme of installation.
Figure 11 is speed changer structure schematic diagram.
Figure 12 is fast pulley structural schematic diagram.
Figure 13 is belt composition schematic diagram.
Figure 14 is belt unit structural schematic diagram.
Figure 15 is cell enclosure structural schematic diagram.
Figure 16 is cell enclosure side view.
Figure 17 is limit chamber structural schematic diagram.
Figure 18 is strip structural schematic diagram.
Figure label title：1, fast pulley, 2, belt, 3, diameter-variable wheel, 4, output shaft, the 5, first fixing end, 6, drive
Dynamic round bar, the 7, second fixing end, 8, input shaft, 9, drive ring support, 10, drive ring, 11, driving plectane, 12, cylinder axis, 13, circle
Bar slide plate, the 15, first spiral track, the 16, first rail support plate, 17, barrel, 19, runner, 21, guide block, 22, inner shaft, 23, first
Sliding block, the 24, second sliding block, 25, positioning plate, 26, runner shaft, 27, spring anchor block, 28, scroll spring, 29, barrel end plate,
30, axle sleeve, the 31, second slideway, 32, conduit, the 33, first slideway, the 34, second rail support plate, the 35, second spiral track, 37, belt list
Member, 38, cell enclosure, 39, first axle, 40, strip, 41, second hinge, 42, adjustment spring, 43, positive stop strip, 44, strip chamber,
45, limit chamber, 46, strip limit bottom plate, 47, strip inner concave.
Specific implementation mode
As shown in figure 11, it includes fast pulley, belt, diameter-variable wheel, and wherein diameter-variable wheel on input shaft by pacifying
The belt pulley of dress, fast pulley are connect by belt with fast pulley by the belt pulley installed on output shaft, diameter-variable wheel.
As shown in figure 12, above-mentioned fast pulley includes output shaft, the first fixing end, drives round bar, the second fixing end, wherein the
One fixing end be mounted on output shaft on, 10-14 roots drive round bar equidistantly be mounted on the first fixing end end face edge, second
Fixing end is mounted on the driving round bar other side, and the first fixing end and the second fixing end are symmetrical relative to the driving round bar plane of symmetry.
As shown in Figure 13,14, above-mentioned belt includes belt unit, wherein as shown in figure 13, belt is by several belt units
It forms, is connected through the hinge between belt unit；As shown in Figure 14,15, belt unit include cell enclosure, first axle, strip,
Second hinge, adjustment spring, positive stop strip, strip chamber, limit chamber, strip limit bottom plate, strip inner concave, wherein as Figure 15,16,
Shown in 17, there is strip chamber among cell enclosure and both sides all have limit chamber, positive stop strip is installed among cell enclosure, such as Figure 14 institutes
Show, positive stop strip is located at strip chamber upper end；First axle is single journal stirrup, and three first axles are equidistantly mounted on cell enclosure side；The
Two hinge is double journal stirrups, and three second hinges are equidistantly mounted on the other side of cell enclosure；As shown in figure 18, strip is mounted on strip
Strip is stretched out on limit bottom plate and strip limit bottom plate both ends, and strip upper end both sides have strip inner concave；Pacify in strip chamber
There are two strips to limit bottom plate for dress, and the part of strip is stretched out at strip limit bottom plate both ends and limit chamber coordinates, as shown in figure 14,
Two strips on two strips limit bottom plate installed in strip chamber are located at positive stop strip both sides；Two strips limit bottom plate it
Between 5 adjustment springs have been mounted equidistant；First axle by front belt unit and rear between two neighboring belt unit
The second hinge of belt unit coordinates and hinged.
As shown in Figure 1, 2, above-mentioned diameter-variable wheel include input shaft, drive ring support, drive ring, driving plectane, cylinder axis,
Round bar slide plate, the first spiral track, the first rail support plate, barrel, runner, guide block, inner shaft, the first sliding block, the second sliding block, positioning
Plate, runner shaft, scroll spring, barrel end plate, the second slideway, conduit, the first slideway, the second rail support plate, the second spiral track,
In as shown in Figure 4,5, 6, it is circumferential on round bar slide plate side to be uniformly provided with 13 the second slideways radially, corresponding second
The other side of the round bar slide plate of slideway is provided with the first slideway, is connected by conduit between the first slideway and the second slideway；Two
Round bar slide plate is mounted on cylinder axis both sides, wherein as shown in Fig. 2, a round bar slide plate is mounted on the top of cylinder axis one end, separately
One round bar slide plate installation site has certain distance apart from another top of cylinder axis；As shown in fig. 7, the installation of driving round bar both ends
Structure is identical, and for wherein any one end, the second sliding block, guide block, the first sliding block are sequentially connected, and is pacified by the first sliding block
Mounted in driving round bar one end, runner shaft is mounted on by positioning plate on the second sliding block, and runner is mounted in runner shaft；Such as figure
Shown in 4,13 driving round bars are mounted between two round bar slide plates, and for each driving round bar, such as figure Fig. 2,4 institutes
Show, installation is slided by the first sliding block, guide block, the second sliding block per one end with first in the round bar slide plate of corresponding one end
Road, conduit, the second slideway coordinate and are mounted between the round bar slide plate of both sides；Also there is certain distance apart from cylinder axis one end
Round bar slide plate side：As shown in Fig. 2,9, the first rail support plate is mounted on cylinder axis, and the first spiral track is mounted on the first rail support plate
On, as shown in Fig. 6,8, the helical orbit of runner and the first spiral track coordinates, as shown in figure 9, scroll spring inner end is mounted on cylinder
On axis outer edge surface, outer end is mounted on the first rail support plate, and as shown in Fig. 2,10, barrel end plate is mounted on the first rail branch by barrel
In plate outer rim, inner shaft one end is mounted among barrel end plate, inner shaft is nested in an axis；Round bar sliding rail mounted on cylinder axis top
Plate side：As shown in figure 9, the second rail support plate be mounted on inner shaft one end, the second spiral track be mounted on the second rail support plate on, runner with
The helical orbit of second spiral track coordinates, and as shown in Figure 2,3, drive ring is by driving plectane to be mounted on round bar slide plate outer edge surface
On, input shaft is mounted on by drive ring support on drive ring；The length for the positioning plate installed between 13 driving round bars is not
Together, the difference of length need to ensure that 13 driving round bars are concyclic.
The space before adjacent strip in above-mentioned belt coordinates with driving round bar.
As shown in figure 9, above-mentioned scroll spring outer end is mounted on by spring anchor block on the first rail support plate.
As shown in Fig. 2, above-mentioned first rail support plate is mounted on by axle sleeve on cylinder axis.
The radical of above-mentioned driving round bar can also be 10-12,14-20 root.
Above-mentioned second sliding block, guide block, the first sliding block are passed sequentially through and are welded to connect.
In conclusion diameter-variable wheel drives fast pulley rotation, the diameter of fast pulley being driven by belt in the present invention
Constant in the process, the diameter of diameter-variable wheel changes according to the torque that input shaft is transmitted, and diameter is changed, and two
The transmission ratio of a belt pulley is changed, and has achieved the purpose that speed change.Belt is also equipped with belt pre-tightening mechanism in transmission,
Because after the diameter of variable diameters wheel changes, effective Belt Length needed for transmission is changed, and is pre-tightened by belt
Mechanism overcomes this variation, ensures that belt is in tension always in speed change.
Belt unit tool is there are two strip in belt, and the part of strip is connected by adjustment spring, and adjustment spring pulling force can
Ensure that two strips clamp driving round bar, when driving round bar to be snapped between the strip adjacent into two belt units, two
A strip is pressed by the strip of respective same belt unit by adjustment spring, remains able to clamp driving round bar.
Diameter-variable wheel be mounted on input shaft on, input shaft, drive ring support, drive ring, drive plectane, side round bar
Slide plate, cylinder axis, the round bar slide plate composition rotation of the other side are whole, can be rotated under input shaft drive together.Another party
Face, cylinder axis generate enough torques by certain rotation by scroll spring and the first rail support plate, the first rail support plate are driven to pass through
The rotation that the effect of axle sleeve can stablize on cylinder axis, the first rail support plate drive the rotation of the first spiral track, spiral track rotation and circle
The rotation of bar slide plate causes position hair of the runner in the first spiral track track because the effect of scroll spring generates phase difference
Changing, phase difference is bigger, and change in location of the runner in track is bigger, affect the first sliding block apart from cylinder axis it is radial away from
From.First rail support plate drives the second rail support plate of the other end to rotate by barrel, barrel end plate, inner shaft simultaneously, and then drives the
Two spiral tracks rotate, and promote corresponding runner that change in location occurs；Interior shaft design plays the first of synchronous driving round bar both sides
The effect of spiral track and the second spiral track rotary speed angle makes driving round bar both sides simultaneously by identical power, makes itself and cylinder
The radial distance of axis changes, and achievees the purpose that steadily to change diameter.Driving the length of positioning plate used in round bar is
Different, because for the roller position in spiral track, radial distance of all runners apart from spiral track center is difference,
In order to ensure to drive round bar concyclic, it is necessary to which positioning plate eliminates the influence of spiral track track.
Specific implementation mode is as follows：When input shaft does not rotate, driving round bar is formed by wheel and is in maximum gauge；
Input shaft starts to rotate, when the torque that the acceleration of input shaft rotation is smaller or input shaft is subject to is smaller, scroll spring hair
Raw smaller deformation can drive the first rail support plate and the second rail support plate, the first rail support plate, the second rail support plate and circle by cylinder axis
The phase difference of bar slide plate is smaller, and change in location very little of the runner in spiral track, radial distance varies less, diameter-variable wheel
Diameter change very little；When the torque for the input shaft being subject to is larger, scroll spring needs larger deformation just to can guarantee first
Rail support plate keeps up with the rotating speed of round bar slide plate, and phase difference can be very big at this time, and the distance that change moves radially is very big, driving round bar away from
Radial distance reduction amplitude from cylinder axis is very big, and variable diameters wheel diameter becomes very big by a small margin；That is, the driving of input shaft is turned round
When square or larger acceleration, variable diameters wheel diameter reduces, and as driving belt pulley, input shaft is compared with the rotating speed of output shaft
It is small, make output shaft be easier to drive, the torque that output shaft obtains is bigger；If by this variable diameters wheel together with the wheel of fixed diameter
Used as automotive transmission, then when going up a slope or accelerating to overtake other vehicles, automobile will automatically obtain larger torque and acceleration
Degree.With higher using effect.
Claims (4)
1. a kind of speed changer based on variable diameters belt pulley, it is characterised in that：It includes fast pulley, belt, diameter-variable wheel,
Middle diameter-variable wheel is by the belt pulley installed on input shaft, and fast pulley is by the belt pulley installed on output shaft, variable-diameter
Wheel is connect by belt with fast pulley；
Above-mentioned fast pulley includes output shaft, the first fixing end, driving round bar, the second fixing end, wherein the first fixing end is mounted on
On output shaft, 10-14 roots drive round bar to be equidistantly mounted on the first fixing end end face edge, and the second fixing end, which is mounted on, drives
The dynamic round bar other side, and the first fixing end and the second fixing end are symmetrical relative to the driving round bar plane of symmetry；
Above-mentioned belt includes belt unit, and wherein belt is made of several belt units, is connected through the hinge between belt unit；
Belt unit includes cell enclosure, first axle, strip, second hinge, adjustment spring, positive stop strip, strip chamber, limit chamber, strip
Bottom plate, strip inner concave are limited, wherein there is among cell enclosure strip chamber and both sides to all have limit chamber, installed among cell enclosure
There are positive stop strip, positive stop strip to be located at strip chamber upper end；First axle is single journal stirrup, and three first axles are equidistantly mounted on cell enclosure one
Side；Second hinge is double journal stirrups, and three second hinges are equidistantly mounted on the other side of cell enclosure；Strip is mounted on strip and limits bottom
Strip is stretched out on plate and strip limit bottom plate both ends, and strip upper end both sides have strip inner concave；It is equipped with two in strip chamber
A strip limits bottom plate, and the part of strip is stretched out at strip limit bottom plate both ends and limit chamber coordinates, and is installed in strip chamber
Two strips on two strip limit bottom plates are located at positive stop strip both sides；It is mounted equidistant 5 between two strip limit bottom plates
Adjustment spring；Pass through the second hinge of the first axle of front belt unit and rear belt unit between two neighboring belt unit
Chain coordinate and it is hinged；
Above-mentioned diameter-variable wheel includes input shaft, drive ring support, drive ring, driving plectane, cylinder axis, round bar slide plate, first
Spiral track, the first rail support plate, barrel, runner, guide block, inner shaft, the first sliding block, the second sliding block, positioning plate, runner shaft, scrollwork
Spring, barrel end plate, the second slideway, conduit, the first slideway, the second rail support plate, the second spiral track, wherein round bar slide plate side
Upper circumferential direction is uniformly provided with 13 the second slideways radially, and the other side of the round bar slide plate of corresponding second slideway is provided with the
One slideway is connected between the first slideway and the second slideway by conduit；Two round bar slide plates are mounted on cylinder axis both sides, wherein one
A round bar slide plate is mounted on the top of cylinder axis one end, another round bar slide plate installation site has apart from another top of cylinder axis
Certain distance；Drive round bar both ends mounting structure identical, for wherein any one end, the second sliding block, guide block, the first sliding block
It being sequentially connected, and driving round bar one end is mounted on by the first sliding block, runner shaft is mounted on by positioning plate on the second sliding block,
Runner is mounted in runner shaft；13 driving round bars are mounted between two round bar slide plates, and for each driving circle
Bar, installation are slided by the first sliding block, guide block, the second sliding block per one end with first in the round bar slide plate of corresponding one end
Road, conduit, the second slideway coordinate and are mounted between the round bar slide plate of both sides；Also there is certain distance apart from cylinder axis one end
Round bar slide plate side：First rail support plate is mounted on cylinder axis, and the first spiral track is mounted on the first rail support plate, runner and first
The helical orbit of spiral track coordinates, and scroll spring inner end is mounted on cylinder axis outer edge surface, and outer end is mounted on the first rail support plate, cylinder
Wall end plate is mounted on by barrel in the first rail support plate outer rim, and inner shaft one end is mounted among barrel end plate, and inner shaft is nested in cylinder
In axis；Round bar slide plate side mounted on cylinder axis top：Second rail support plate is mounted on inner shaft one end, and the second spiral track is mounted on
On second rail support plate, the helical orbit of runner and the second spiral track coordinates, and drive ring is by driving plectane to be mounted on round bar sliding rail
On plate outer edge surface, input shaft is mounted on by drive ring support on drive ring；The positioning plate installed between 13 driving round bars
Length it is different, the difference of length need to ensure that 13 driving round bars are concyclic；
The space before adjacent strip in above-mentioned belt coordinates with driving round bar.
2. a kind of speed changer based on variable diameters belt pulley according to claim 1, it is characterised in that：Above-mentioned scroll spring
Outer end is mounted on by spring anchor block on the first rail support plate.
3. a kind of speed changer based on variable diameters belt pulley according to claim 1, it is characterised in that：Above-mentioned first rail branch
Plate is mounted on by axle sleeve on cylinder axis.
4. a kind of speed changer based on variable diameters belt pulley according to claim 1, it is characterised in that：Above-mentioned second slides
Block, guide block, the first sliding block are passed sequentially through and are welded to connect.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962327.6A CN106499783B (en) | 2016-11-04 | 2016-11-04 | A kind of speed changer based on variable diameters belt pulley |
| CN201811168301.XA CN109210161A (en) | 2016-11-04 | 2016-11-04 | A kind of speed changer |
| PCT/CN2017/094950 WO2018082350A1 (en) | 2016-11-04 | 2017-07-28 | Transmission based on variable-diameter pulley |
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| CN201610962327.6A CN106499783B (en) | 2016-11-04 | 2016-11-04 | A kind of speed changer based on variable diameters belt pulley |
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| CN106499783B true CN106499783B (en) | 2018-10-30 |
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| CN201610962327.6A Active CN106499783B (en) | 2016-11-04 | 2016-11-04 | A kind of speed changer based on variable diameters belt pulley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220332322A1 (en) * | 2021-04-14 | 2022-10-20 | Hyundai Motor Company | Apparatus and method for controlling power train of vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210161A (en) * | 2016-11-04 | 2019-01-15 | 泉州齐美电子科技有限公司 | A kind of speed changer |
| CN108486705A (en) * | 2018-06-04 | 2018-09-04 | 临沂市沃达机械有限公司 | A kind of synchronizing bar belt pulley for frame |
| CN108945985A (en) * | 2018-08-17 | 2018-12-07 | 安徽爱瑞特新能源专用汽车股份有限公司 | Synchronous pulley |
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| CN114586508B (en) * | 2022-02-10 | 2023-04-21 | 河源市陈氏华兴农业发展有限公司 | Sowing speed adjusting mechanism and sowing machine |
| CN114532936A (en) * | 2022-03-18 | 2022-05-27 | 南京信息工程大学 | Portable double-cylinder hair sticking device free of tearing |
| CN115533591B (en) * | 2022-09-29 | 2023-11-10 | 江苏贵钰航空工业有限公司 | Feeding device for high-precision industrial master machine and control method thereof |
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- 2016-11-04 CN CN201811168301.XA patent/CN109210161A/en active Pending
- 2016-11-04 CN CN201610962327.6A patent/CN106499783B/en active Active
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2017
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| CN200999853Y (en) * | 2007-01-20 | 2008-01-02 | 潍柴动力股份有限公司 | Variable reference diameter pulley |
| CN201111572Y (en) * | 2007-08-24 | 2008-09-10 | 张明海 | Reducing type mechanical stepless speed changer |
| CN104185746A (en) * | 2011-07-22 | 2014-12-03 | 西里尔·克洛佩特 | Mechanism for transmitting power of rotation |
| CN103104667A (en) * | 2013-01-30 | 2013-05-15 | 王子延 | Stepless speed change device with transmission diameter variable wheel hub |
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| US20220332322A1 (en) * | 2021-04-14 | 2022-10-20 | Hyundai Motor Company | Apparatus and method for controlling power train of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499783A (en) | 2017-03-15 |
| WO2018082350A1 (en) | 2018-05-11 |
| CN109210161A (en) | 2019-01-15 |
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