CN206092843U - Circular cone disk reducing band pulley buncher - Google Patents
Circular cone disk reducing band pulley buncher Download PDFInfo
- Publication number
- CN206092843U CN206092843U CN201620470609.XU CN201620470609U CN206092843U CN 206092843 U CN206092843 U CN 206092843U CN 201620470609 U CN201620470609 U CN 201620470609U CN 206092843 U CN206092843 U CN 206092843U
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- cone disc
- output
- lead screw
- screw shaft
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Abstract
The utility model relates to a speed change gear technical field, in particular to circular cone disk reducing band pulley buncher, including box, input shaft, output shaft, velocity ratio adjustment mechanism and band pulley adjusting mechanism, be equipped with input gear and output gear on input shaft and the output shaft respectively, its characterized in that, band pulley adjusting mechanism includes driving pulley and from the driven pulleys, the regulation that driving pulley and from the driven pulleys's outer diameter passes through velocity ratio adjustment mechanism can steplessly change. The utility model discloses a derailleur, simple structure, low cost, convenient, the little circular cone disk reducing band pulley buncher of variable speed in -process vibratory impulse of regulation.
Description
Technical field
The utility model is related to speed change gear technical field, more particularly to a kind of circular cone disc type variable-diameter belt wheel variable speed
Device.
Background technology
In prior art, mechanical major product has following several classes：One is friction type stepless speed changer, mainly there is planet
Cone disk type, planet circular cone type, cone disc annular disc type and multi-disc type etc.；Two is gear chain type stepless variable speed unit, mainly there is slide plate chain type, rolling
Post chain type and formula takeup type；Three is variable v-belt drive, mainly there is classical V-belt and width V bands；Four is pulsating variable speed
Device, mainly has phase side-by-side connecting rod formula (GUSA types) and four phases and opens link-type (Zero-Max types).The major part nothing of the above-mentioned type
Level speed changer cannot be used directly on automobile with lathe.Wherein, existing conical ring formula buncher, directly adds in cone
The work gear teeth, difficulty of processing is big, and low intensity, impacts big when the gear teeth are thrown oneself on one's knees.At present the stepless variable speed device of most of bevel-types is by changing
Become the driving member between two circular cones（Such as band or ring）To reach electrodeless variable-speed, because the change of driving member needs very big driving
Power, and it is larger to fluctuate, it is impossible to it is adjusted with manpower, limits the scope of application of such grade of speed changer.Other types of change
The fast device such as buncher such as many dish rub formula, steel ball outer cone pulley type or hydraulic motor, sensing efficiency is low, and stationarity is poor.It is double from
The shortcomings of there is accuracy of manufacture height, processing technology complexity, high cost, maintenance difficult in conjunction speed changer.
Utility model content
The deficiency that the utility model exists for buncher in prior art, there is provided a kind of simple structure, low cost
The little circular cone disc type variable-diameter belt pulley variable speed device of vibratory impulse in honest and clean, easy to adjust, speed-change process.
The purpose of this utility model is achieved in that a kind of circular cone disc type variable-diameter belt pulley variable speed device, including casing,
Input shaft, output shaft, speed are respectively equipped with input tooth than main regulation mechanism and belt wheel diameter changing mechanism on the input shaft and output shaft
Wheel and output gear, the belt wheel diameter changing mechanism includes driving pulley and driven pulley, the driving pulley and driven pulley
Outside dimension can be with stepless change by the regulation of ratio adjusting mechanism.
For ease of realizing speed governing, the ratio adjusting mechanism includes the input being rotatably supported between input shaft and output shaft
Lead screw shaft and output lead screw shaft, the input lead screw shaft and output lead screw shaft be arranged in parallel, and are input into lead screw shaft and output silk
The end of thick stick axle homonymy is respectively equipped with worm gear, and rotational support has worm shaft on casing, corresponding with two worm gears on the worm shaft
Position be respectively equipped with the worm screw section engaged with worm gear, one end of the worm shaft is provided with driver part；The input lead screw shaft
It is respectively cooperating with being provided with swivel nut with output lead screw shaft periphery, is provided with vertically on the swivel nut ring week and limits the slide bar that swivel nut is rotated,
The slide bar two ends are fixed with casing, and the swivel nut periphery is connected with input Cone Disc and output Cone Disc by bearings,
The driving pulley and driven pulley of belt wheel diameter changing mechanism, the worm screw are respectively provided with the input Cone Disc and output Cone Disc
When axle is rotated, by the gear motion of worm and gear, respectively screw thread promotes the swivel nut axial movement in lead screw shaft, and drives input
Cone Disc and output Cone Disc axial movement, realize the change of driving pulley and driven pulley external diameter.Speed ratio of the present utility model
Adjustment structure, worm shaft drives input lead screw shaft and axle to go out lead screw shaft rotation simultaneously, while being input into lead screw shaft and output lead screw shaft
Promote respective swivel nut to move axially by screw thread gear motion and drive input Cone Disc and output Cone Disc axial movement, from
And the driving pulley of belt wheel diameter changing mechanism and the change of driven pulley external diameter are realized, to change the speed ratio of speed changer.During regulation
Worm and gear is moved and the transmission of leading screw swivel nut motion is steady, impacts little, and the driver part of worm shaft can adopt manual actuation,
Can also be driven using electrical components, selection mode is flexible, strong applicability.
For ease of realizing the change of driving pulley external diameter, the belt wheel diameter changing mechanism includes being separately positioned on input Cone Disc
With the driving pulley and driven pulley of output Cone Disc male cone (strobilus masculinus), belt is connected between the driving pulley and driven pulley,
The footpath that the driving pulley includes some segmentation belt wheels one of the circumferentially segmented setting along belt wheel and is connected with each segmentation belt wheel one
To push rod one, the Cone Disc periphery Cone Disc generatrix direction corresponding with radial push rod one that is input into is respectively equipped with chute, described
The cooperation of the corresponding end of radial push rod one is provided with slippery fellow, and the outer wall of the radial push rod one slides be provided with support set one respectively, respectively
Support set one fixes support by surrounding the fixed cover one of input Cone Disc periphery, and the two ends of the fixed cover one are by bearing and case
Body wall rotational support, when the input Cone Disc is moved axially with swivel nut, the slippery fellow of radial push rod one slides with the cooperation of chute
The radial motion of radial push rod one is promoted, the reducing of driving pulley is realized；Match somebody with somebody the periphery corresponding with input gear of the fixed cover one
Conjunction is provided with travelling gear one, and when the input gear drives travelling gear one to rotate, fixed cover one drives driving pulley to rotate.This
The belt wheel diameter changing mechanism of utility model, by the drive of driving pulley circumferentially subsection setup, each segmentation belt wheel one passes through respectively
Radial push rod one connects into a complete belt pulley, when slide of the radial push rod one along input Cone Disc, input circle
Cone disk promotes radial push rod one to make radially to extend out or inside contract movement, the consecutive variations of diameter pulley is realized, so as to realize speed change
The step-less adjustment of device.
For ease of realizing the change of driven pulley external diameter, if the driven pulley includes the circumferentially segmented setting along belt wheel
Dry segmentation belt wheel two and the footpath push rod two being connected with segmentation belt wheel two respectively, the output Cone Disc periphery and radial push rod two pairs
The Cone Disc generatrix direction answered is respectively equipped with chute, and the cooperation of the corresponding end of the radial push rod two is provided with slippery fellow, the radial direction
The outer wall of push rod two slides be provided with support set two respectively, and each support set two is consolidated by surrounding the fixed cover two of output Cone Disc periphery
Fixed to support, the two ends of the fixed cover two are by bearing and box body wall rotational support, and the fixed cover two is corresponding with output gear
Periphery cooperation is provided with travelling gear two.
For convenience of speed governing, the big end of the input Cone Disc and output Cone Disc is arranged in the same direction along respective axial direction, described
Thread rotary orientation in input lead screw shaft and output lead screw shaft is conversely, when worm shaft drives respectively input lead screw shaft and output lead screw shaft
During rotation, the moving direction for being input into Cone Disc and output Cone Disc is contrary.
To ensure the stationarity of belt wheel motion, the screw thread in the input lead screw shaft and output lead screw shaft is with self-locking performance
Trapezoidal thread.
During to prevent Cone Disc from rotating, the foxy matching part with chute is come off by centrifugal action, and the slippery fellow is
Bulb-type, the cross sectional shape of the chute is for parcel slippery fellow and more than semicircular deep-slotted chip breaker.
Description of the drawings
Fig. 1 is the stereogram of circular cone disc type variable-diameter belt pulley variable speed device of the present utility model.
Fig. 2 is the structural representation of circular cone disc type variable-diameter belt pulley variable speed device of the present utility model.
Fig. 3 is the structural representation of ratio adjusting mechanism.
Fig. 4 is along the profile of A-A in Fig. 2.
Wherein, 1 casing；2 input shafts；3 input gears；4 travelling gears one；5 output shafts；6 output gears；7 travelling gears
Two；8 input Cone Discs；8A chutes；9 slide bars；10 swivel nuts；11 input lead screw shaft；12 radial push rods one；12A is foxy；13 support sets
One；14 belts；15 fixed covers one；16 output lead screw shaft；17 output Cone Discs；18 fixed covers two；19 support sets two；20 radial directions are pushed away
Bar two；21 worm shafts；22 worm gears；23 segmentation belt wheels one.
Specific embodiment
It is circular cone disc type variable-diameter belt pulley variable speed device of the present utility model as shown in Fig. 1-Fig. 4, including it is casing 1, defeated
Enter axle 2, output shaft 5, speed than main regulation mechanism and belt wheel diameter changing mechanism, on input shaft 2 and output shaft 5 input gear is respectively equipped with
3 and output gear 6, belt wheel diameter changing mechanism includes the outside dimension of driving pulley and driven pulley, driving pulley and driven pulley
Can be with stepless change by the regulation of ratio adjusting mechanism.
Ratio adjusting mechanism of the present utility model includes the input leading screw being rotatably supported between input shaft 2 and output shaft 5
Axle 11 and output lead screw shaft 16, input lead screw shaft 11 and output lead screw shaft 16 be arranged in parallel, and are input into lead screw shaft 11 and output
The end of the homonymy of lead screw shaft 16 is respectively equipped with worm gear 22, and rotational support has worm shaft 21 on casing 1, with two snails on worm shaft 21
Take turns 22 corresponding positions and be respectively equipped with the worm screw section engaged with worm gear 22, one end of worm shaft 21 is provided with driver part；Input silk
Thick stick axle 11 and output lead screw shaft 16 periphery are respectively cooperating with being provided with swivel nut 10, and the ring of swivel nut 10 is provided with vertically 10 turns of swivel nut of restriction on week
Dynamic slide bar 9, the two ends of slide bar 9 are fixed with casing 1, and the periphery of swivel nut 10 is connected with input Cone Disc 8 and output by bearings
Cone Disc 17, is input on Cone Disc 8 and output Cone Disc 17 and is respectively provided with the driving pulley and driven pulley of belt wheel diameter changing mechanism,
When worm shaft 21 is rotated, by the gear motion of worm and gear, respectively screw thread promotes the swivel nut 10 in lead screw shaft to move axially, and
Drive input Cone Disc 8 and output Cone Disc 17 to move axially, realize the change of driving pulley and driven pulley external diameter.This practicality
New speed-ratio regulation structure, worm shaft 21 drives input lead screw shaft 11 and axle to go out lead screw shaft 16 and rotate simultaneously, while being input into silk
Thick stick axle 11 and output lead screw shaft 16 promote respective swivel nut to move axially and drive the input He of Cone Disc 8 by screw thread gear motion
Output Cone Disc 17 is moved axially, so as to realize the driving pulley of belt wheel diameter changing mechanism and the change of driven pulley external diameter, to change
Become the speed ratio of speed changer.The transmission of worm and gear motion and the motion of leading screw swivel nut is steady during regulation, impacts little, the drive of worm shaft
Dynamic component can adopt manual actuation, it would however also be possible to employ electrical components drive, and selection mode is flexible, strong applicability.
Belt wheel diameter changing mechanism of the present utility model includes being separately positioned on input Cone Disc 8 and the output male cone (strobilus masculinus) of Cone Disc 17
Driving pulley and driven pulley, belt is connected between driving pulley and driven pulley, driving pulley includes the week along belt wheel
To some segmentation belt wheels 1 of subsection setup and the radial push rod 1 being connected with each segmentation belt wheel 1, Cone Disc 8 is input into
Periphery Cone Disc generatrix direction corresponding with radial push rod 1 is respectively equipped with chute 8A, and the corresponding end of radial push rod 1 is matched somebody with somebody
Conjunction is provided with foxy 12A, and the outer wall of radial push rod 1 slides be provided with support set 1 respectively, and each support set 1 is defeated by surrounding
The fixed cover 1 for entering the periphery of Cone Disc 8 fixes support, and the two ends of fixed cover 1 are by bearing and box body wall rotational support, input
When Cone Disc 8 is moved axially with swivel nut, the cooperation of the foxy 12A and chute 8A of radial push rod one is slided and promotes radial push rod 1
Radial motion, realizes the reducing of driving pulley；Fixed cover 1 is provided with travelling gear one with the cooperation of the corresponding periphery of input gear 3
4, when input gear 3 drives travelling gear 1 to rotate, fixed cover 1 drives driving pulley to rotate.Belt wheel of the present utility model
Diameter changing mechanism, by the drive of driving pulley circumferentially subsection setup, each segmentation belt wheel 1 passes through respectively radial push rod 1
A complete belt pulley is connected into, when radial push rod 1 slides along the chute 8A of input Cone Disc, input Cone Disc is pushed away
Dynamic radial push rod one is made radially to extend out or inside contract movement, the consecutive variations of diameter pulley is realized, so as to realize the nothing of speed changer
Level is adjusted.
Equally, for ease of realizing the consecutive variations of driven pulley external diameter, driven pulley includes being set along the circumferentially segmented of belt wheel
The some segmentation belt wheels two put and the footpath push rod 2 20 being connected with segmentation belt wheel two respectively, the output periphery of Cone Disc 17 pushes away with radial direction
The corresponding Cone Disc generatrix direction of bar 2 20 is respectively equipped with chute, and the cooperation of the corresponding end of radial push rod 2 20 is provided with slippery fellow, footpath
Slide respectively to the outer wall of push rod 2 20 and be provided with support set 2 19, each support set 2 19 is by surrounding output Cone Disc 17 periphery
Fixed cover 2 18 is fixed and supported, and the two ends of fixed cover 2 18 are by bearing and box body wall rotational support, fixed cover 2 18 and output gear
Take turns 6 corresponding peripheries cooperations and be provided with travelling gear 27.
For convenience of speed governing, the big end for being input into Cone Disc 8 and output Cone Disc 17 is arranged in the same direction along respective axial direction, is input into silk
Thread rotary orientation on thick stick axle 11 and output lead screw shaft 16 is conversely, when worm shaft 21 drives respectively input lead screw shaft 11 and output leading screw
When axle 16 is rotated, the moving direction for being input into Cone Disc 8 and output Cone Disc 17 is contrary.
To ensure the stationarity of belt wheel motion, the screw thread being input in lead screw shaft 11 and output lead screw shaft 16 is with self-locking performance
Trapezoidal thread.
During to prevent Cone Disc from rotating, the foxy matching part with chute is come off by centrifugal action, and slippery fellow is bulb
Shape, the cross sectional shape of chute is for parcel slippery fellow and more than semicircular deep-slotted chip breaker.
Claims (5)
1. a kind of circular cone disc type variable-diameter belt pulley variable speed device, including casing, input shaft, output shaft, ratio adjusting mechanism and band
Wheel diameter changing mechanism, is respectively equipped with input gear and output gear, the belt wheel diameter changing mechanism bag on the input shaft and output shaft
The outside dimension for including driving pulley and driven pulley, the driving pulley and driven pulley can by the regulation of ratio adjusting mechanism
With stepless change；The ratio adjusting mechanism includes input lead screw shaft and the output being rotatably supported between input shaft and output shaft
Lead screw shaft, the input lead screw shaft and output lead screw shaft be arranged in parallel, and are input into the end of lead screw shaft and output lead screw shaft homonymy
Portion is respectively equipped with worm gear, and rotational support has worm shaft on casing, and position corresponding with two worm gears sets respectively on the worm shaft
There is the worm screw section engaged with worm gear, one end of the worm shaft is provided with driver part；Characterized in that, it is described input lead screw shaft and
Output lead screw shaft periphery is respectively cooperating with being provided with swivel nut, is provided with vertically on the swivel nut ring week and limits the slide bar that swivel nut is rotated, institute
State slide bar two ends to fix with casing, the swivel nut periphery is connected with input Cone Disc and output Cone Disc, institute by bearings
State the driving pulley and driven pulley that belt wheel diameter changing mechanism is respectively provided with input Cone Disc and output Cone Disc, the worm shaft
During rotation, by the gear motion of worm and gear, respectively screw thread promotes the swivel nut axial movement in lead screw shaft, and drives input circle
Cone disk and output Cone Disc axial movement, realize the change of driving pulley and driven pulley external diameter.
2. circular cone disc type variable-diameter belt pulley variable speed device according to claim 1, it is characterised in that the belt wheel reducing machine
Structure includes being separately positioned on the driving pulley and driven pulley of input Cone Disc and output Cone Disc male cone (strobilus masculinus), the driving pulley
Belt is connected between driven pulley, the driving pulley includes some segmentation belt wheels one of the circumferentially segmented setting along belt wheel
And the radial push rod one being connected with each segmentation belt wheel one, the input Cone Disc periphery and the corresponding Cone Disc of radial push rod one mother
Line direction is respectively equipped with chute, and the cooperation of the corresponding end of the radial push rod one is provided with slippery fellow, the outer wall of the radial push rod one
Slide respectively and be provided with support set one, each support set one is supported by surrounding the fixation of fixed cover one of input Cone Disc periphery, described
The two ends of fixed cover one are by bearing and box body wall rotational support, when the input Cone Disc is moved axially with swivel nut, radial push rod
One slippery fellow slides with the cooperation of chute and promotes the radial motion of radial push rod one, realizes the reducing of driving pulley；The fixed cover
One periphery cooperation corresponding with input gear is provided with travelling gear one, when the input gear drives travelling gear one to rotate, Gu
Surely set one drives driving pulley to rotate.
3. circular cone disc type variable-diameter belt pulley variable speed device according to claim 1, it is characterised in that the driven pulley bag
The some segmentation belt wheels two for including the circumferentially segmented setting along belt wheel and the radial push rod two being connected with segmentation belt wheel two respectively, it is described
Output Cone Disc periphery Cone Disc generatrix direction corresponding with radial push rod two is respectively equipped with chute, the correspondence of the radial push rod two
End coordinate be provided with slippery fellow, the outer wall of the radial push rod two slides be provided with support set two respectively, each support set two by bag
The fixed cover two for enclosing output Cone Disc periphery fixes support, and the two ends of the fixed cover two pass through bearing and box body wall rotational support,
The periphery cooperation corresponding with output gear of the fixed cover two is provided with travelling gear two.
4. circular cone disc type variable-diameter belt pulley variable speed device according to claim 1, it is characterised in that the input Cone Disc
Arrange in the same direction along respective axial direction with the big end of output Cone Disc, the thread rotary orientation in the input lead screw shaft and output lead screw shaft
Conversely, when worm shaft drives respectively input lead screw shaft and output lead screw shaft is rotated, being input into the shifting of Cone Disc and output Cone Disc
It is dynamic in opposite direction.
5. circular cone disc type variable-diameter belt pulley variable speed device according to claim 1, it is characterised in that the input lead screw shaft
It is the trapezoidal thread with self-locking performance with the screw thread in output lead screw shaft.
6. circular cone disc type variable-diameter belt pulley variable speed device according to claim 3, it is characterised in that it is described it is foxy be ball
Capitiform, the cross sectional shape of the chute is for parcel slippery fellow and more than semicircular deep-slotted chip breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470609.XU CN206092843U (en) | 2016-05-23 | 2016-05-23 | Circular cone disk reducing band pulley buncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470609.XU CN206092843U (en) | 2016-05-23 | 2016-05-23 | Circular cone disk reducing band pulley buncher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092843U true CN206092843U (en) | 2017-04-12 |
Family
ID=58471221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620470609.XU Expired - Fee Related CN206092843U (en) | 2016-05-23 | 2016-05-23 | Circular cone disk reducing band pulley buncher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092843U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100983A (en) * | 2017-05-26 | 2017-08-29 | 中南大学 | Variable middle high belt wheel |
| ES2705087A1 (en) * | 2017-09-20 | 2019-03-21 | Bernardez Jose Francisco Manso | Continuously variable transmission device (Machine-translation by Google Translate, not legally binding) |
| CN111720507A (en) * | 2020-06-30 | 2020-09-29 | 陈建军 | Conical-column continuously variable transmission |
| CN115054869A (en) * | 2022-06-16 | 2022-09-16 | 中国医科大学附属盛京医院 | Department of neurology's four limbs nursing exercise rehabilitation system |
-
2016
- 2016-05-23 CN CN201620470609.XU patent/CN206092843U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100983A (en) * | 2017-05-26 | 2017-08-29 | 中南大学 | Variable middle high belt wheel |
| CN107100983B (en) * | 2017-05-26 | 2023-05-30 | 中南大学 | Variable medium-high belt pulley |
| ES2705087A1 (en) * | 2017-09-20 | 2019-03-21 | Bernardez Jose Francisco Manso | Continuously variable transmission device (Machine-translation by Google Translate, not legally binding) |
| CN111720507A (en) * | 2020-06-30 | 2020-09-29 | 陈建军 | Conical-column continuously variable transmission |
| CN115054869A (en) * | 2022-06-16 | 2022-09-16 | 中国医科大学附属盛京医院 | Department of neurology's four limbs nursing exercise rehabilitation system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20210523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |