CN104033551B - Chuck type stepless speed changing mechanism - Google Patents
Chuck type stepless speed changing mechanism Download PDFInfo
- Publication number
- CN104033551B CN104033551B CN201410265695.6A CN201410265695A CN104033551B CN 104033551 B CN104033551 B CN 104033551B CN 201410265695 A CN201410265695 A CN 201410265695A CN 104033551 B CN104033551 B CN 104033551B
- Authority
- CN
- China
- Prior art keywords
- chuck
- belt
- changing mechanism
- stepless speed
- speed changing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
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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 relates to a chuck type stepless speed changing mechanism which comprises a driving belt pulley and a driven belt pulley. Each belt pulley comprises a rotary shaft, a rear mounting base end cover, a front mounting base end cover, spiral discs and chuck plates, each rear mounting base end cover is arranged at one end of the corresponding rotary shaft, and each front mounting base end cover is arranged at the other end of the corresponding rotary shaft. The chuck type stepless speed changing mechanism is characterized in that the spiral discs are arranged on the rear mounting base end covers, positioning tooth spaces which can be meshed with spiral tooth spaces of the spiral discs are arranged on the inner side surfaces of the chuck plates, belt wheels are arranged at the tail ends of the chuck plates, a plurality of belt clamp grooves are spliced with one another to form each belt wheel and are arranged around the axis of the corresponding rotary shaft, and the chuck plates are mounted on plate grooves of the front mounting base end covers, are fixed by the aid of fixing grooves and only can move along the radius directions of the belt wheels. The chuck type stepless speed changing mechanism has the advantages that only the radiuses of wheel discs of the two belt pulleys need to be adjusted, so that a speed regulating ratio of the mechanism can be changed, and speeds can be regulated under the condition that the belt pulleys are not changed; the chuck type stepless speed changing mechanism is flexible in regulating range, and speed regulating tasks under different working conditions can be implemented.
Description
Technical field
This invention is related to a kind of stepless speed changing mechanism, more particularly, to a kind of stepless speed changer of radius-adjustable belt pulley composition
Structure.
Background technology
Speed adjusting gear is all widely used in the various plant equipment such as lathe, automobile, water pump, but existing governor
Structure is all to set the tone speed ratio speed governing or beat between the speed ratio of several fixations it is impossible to realize flexible speed governing；Existing some
Stepless speed changing mechanism complex structure, manufacture difficult, involve great expense, be only used on some superior automobile it is difficult to promote.
Content of the invention
The present invention is to provide for a kind of chuck mode stepless speed changing mechanism, and this mechanism passes through to change the diameter ratio of two wheel discs, can
To change the speed ratio of transmission, because diameter arbitrarily can be adjusted in excursion, middle free of discontinuities, thus having reached stepless change
The purpose of speed.
For achieving the above object, the technical scheme is that a kind of chuck mode stepless speed changing mechanism, including driving and driven
Belt wheel, is connected by belt transmission between two belt wheels, and each belt wheel is by rotating shaft, installing matrix rear end cap, installing matrix front end
Lid, spiral disk, chuck piece composition, equipped with installing matrix rear end cap, equipped with installing matrix drive end bearing bracket, it is special for the other end for rotating shaft one end
Point is: equipped with spiral disk on installing matrix rear end cap, chuck piece medial surface is provided with mutually can be stung with the helical teeth groove of spiral disk
The positioning teeth groove closing, chuck piece tail end is provided with belt draw-in groove, and some chuck piece splicings become an approximate circle as belt pulley,
Some belt draw-in grooves are arranged around rotating shaft core, and chuck piece is arranged on the film trap of installing matrix drive end bearing bracket, is fixed by fixing groove
And can only move along pulley radius direction.
Chuck piece includes the positioning teeth groove of side, middle fixing groove, the belt draw-in groove of tail end, positioning teeth groove and leather belt buckle
Groove is fixedly connected by fixing groove.
Buffer gear for slowing down pulley rotation impact is installed between rotating shaft and installing matrix rear end cap.
Belt pulley prevents chuck piece from hurting the chamfering of belt just contacting and depart from its chuck belt grooves setting.
The invention has the beneficial effects as follows: the present invention is made up of the variable active wheel disc of a pair of diameter and driven wheel disc, two groups
Wheeling disk structure is identical, by changing the diameter ratio of two wheel discs, thus it is possible to vary the speed ratio of transmission, because diameter can be in excursion
Interior any regulation, middle free of discontinuities, thus having reached the purpose of infinitely variable speeds.
Because pulley disc is not continuous whole circle, have slight load when belt is with each card disk contact and become
Change, and radius is bigger, the change that load causes is bigger, in order to eliminate the impact that this live load causes, is connected with axle in belt wheel
Mono- buffer gear 2 of Shi Zengjia, as transition, makes energy transmission more steady.
Brief description
Fig. 1 is the belt pulley overall assembling figure of the present invention；
Fig. 2 is the buffer gear structure chart of the present invention；
Fig. 3 is the installing matrix structure chart of the present invention；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the spiral disk structure chart of the present invention；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the chuck chip architecture figure of the present invention；
Fig. 8 is the left view of Fig. 7；
Fig. 9 is the sectional view in Fig. 7 along a-a；
Figure 10 is the sectional view in Fig. 7 along b-b；
Figure 11 is the fundamental diagram of the chuck mode stepless speed changing mechanism of the present invention；
Wherein: before (a) speed change, after (b) is speed change.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to 11, the chuck mode stepless speed changing mechanism of the present invention, including driving and driven belt wheel 7,8, two bands
Connected by belt transmission between wheel.Each belt wheel is by rotating shaft 1, installing matrix rear end cap 3, installing matrix drive end bearing bracket 6, spiral disk
4th, chuck piece 5 forms.Equipped with installing matrix rear end cap 3, the other end is equipped with installing matrix drive end bearing bracket 6, installing matrix for rotating shaft 1 one end
Equipped with spiral disk 4 on rear end cap 3, chuck piece 5 medial surface is provided with can be with determining that the helical teeth groove 4.1 of spiral disk 4 is mutually twisted
Position teeth groove 5.1, chuck piece 5 tail end is provided with belt pulley, and belt pulley is spliced by some belt draw-in grooves 5.3, some leather belt buckles
Groove 5.3 is arranged around rotating shaft 1 axle center, and chuck piece 5 is arranged on the film trap 6.1 of installing matrix drive end bearing bracket 6, is consolidated by fixing groove 6.2
Determine and can only move along pulley radius direction.
Belt wheel adopts the principle of machine chuck, installing matrix rear end cap 3 and installing matrix drive end bearing bracket 6 to be equipped with and rotating shaft 1
Connected axis hole.As shown in Figure 3,4, installing matrix drive end bearing bracket 6 is provided with the film trap 6.1 of chuck for installing piece 5, installing matrix rear end
Lid 3 is provided with the dish groove 3.2 installing spiral disk 4.
As shown in Figure 7 to 10, chuck piece 5 includes the positioning teeth groove 5.1 of side, middle fixing groove 5.2, the skin of tail end
Band draw-in groove 5.3, the fixing groove 5.2 that positioning teeth groove 5.1 and belt draw-in groove 5.3 pass through centre is fixing, and chuck piece 5 can only be along belt
Wheel radial direction moves.Multiple belt draw-in grooves 5.3 of chuck piece 5 tail end are spliced into an approximate circle as pulley disc.Card
The positioning teeth groove 5.1 of the side of disc 5 is machined with positioning teeth groove 5.1, and this teeth groove 5.1 can be with the helical teeth groove 4.1 of spiral disk 4
It is mutually twisted, when spiral disk 4 rotates clockwise or counterclockwise, positioning teeth groove 5.1 is moved along radial direction by helix effect,
Reach the purpose changing diameter pulley.Installing matrix rear end cap 3 and installing matrix drive end bearing bracket 6 serve fixing, support
The effect of chuck piece 5, spiral disk 4 and buffer gear 2.
Because belt pulley is the approximate circle being spliced by multi-disc chuck piece, the chuck of belt and belt wheel in rotation process
Mild impulse is had during piece 5 contact, and the increase of the minimizing with chuck piece 5 number or diameter then impact strength increase.For
Eliminate the impact that this impact causes, set up a buffer gear 2 when belt pulley is connected with rotating shaft 1 as transition (Fig. 2),
Play cushioning effect when the load is varied.
As shown in Figure 11 (a) and (b), chuck mode stepless speed changing mechanism is made up of two belt wheels and a belt, one of
As driving pulley 7, another, as driven pulley 8, by changing the diameter of two belt pulleys, reaches change speed ratio to belt wheel
Purpose.
The work process of the present invention is: when diameter pulley is minimum, belt draw-in groove is located nearest to home position, multi-disc
Chuck piece is spliced into a circle；Chuck piece 5 is arranged on the film trap 6.1 of installing matrix drive end bearing bracket 6, is fixed by fixing groove 6.2
And can only move along belt wheel radial direction；The depression just projection with spiral disk 4 of the positioning teeth groove 5.1 of chuck piece 5 side
Mutually be engaged, when spiral disk 4 rotates clockwise or counterclockwise along its center of circle, positioning teeth groove 5.1 drive whole chuck piece 5 inwardly or
It is displaced outwardly, that is, reached the purpose changing radius.
Claims (4)
1. a kind of chuck mode stepless speed changing mechanism is including driving pulley and driven pulley, logical between driving pulley and driven pulley
Cross belt transmission to connect, driving pulley and driven pulley are by rotating shaft (1), installing matrix rear end cap (3), installing matrix drive end bearing bracket
(6), spiral disk (4), chuck piece (5) composition it is characterised in that: described rotating shaft (1) one end equipped with installing matrix rear end cap (3),
The other end equipped with installing matrix drive end bearing bracket (6), equipped with spiral disk (4) on installing matrix rear end cap (3), chuck piece (5) medial surface
It is provided with the positioning teeth groove (5.1) being mutually twisted with the helical teeth groove (4.1) of spiral disk (4), chuck piece (5) tail end is provided with skin
Band draw-in groove (5.3), the splicing of some chuck pieces (5) becomes an approximate circle as belt pulley, some belt draw-in grooves (5.3) around
Arrange in rotating shaft (1) axle center, chuck piece (5) is arranged on the film trap (6.1) of installing matrix drive end bearing bracket (6), solid by fixing groove (6.2)
Determine and can only move along pulley radius direction.
2. chuck mode stepless speed changing mechanism according to claim 1 it is characterised in that: described chuck piece (5) includes side
Positioning teeth groove (5.1), middle fixing groove (5.2), the belt draw-in groove (5.3) of tail end, positioning teeth groove (5.1) and belt draw-in groove
(5.3) it is fixedly connected by fixing groove (5.2).
3. chuck mode stepless speed changing mechanism according to claim 1 it is characterised in that: described rotating shaft (1) and installing matrix
Buffer gear (2) for slowing down pulley rotation impact is installed between rear end cap (3).
4. chuck mode stepless speed changing mechanism according to claim 1 it is characterised in that: described belt pulley contacts and de- firm
Away from the belt draw-in groove of its chuck piece, setting prevents chuck piece from hurting the chamfering of belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265695.6A CN104033551B (en) | 2014-06-16 | 2014-06-16 | Chuck type stepless speed changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265695.6A CN104033551B (en) | 2014-06-16 | 2014-06-16 | Chuck type stepless speed changing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104033551A CN104033551A (en) | 2014-09-10 |
| CN104033551B true CN104033551B (en) | 2017-01-18 |
Family
ID=51464464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410265695.6A Expired - Fee Related CN104033551B (en) | 2014-06-16 | 2014-06-16 | Chuck type stepless speed changing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104033551B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551120A (en) * | 2020-12-09 | 2021-03-26 | 许晓亿 | But quick adjustment transport speed's machining is with defeated material mechanism |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB241654A (en) * | 1924-08-13 | 1925-10-29 | Nils Axel Wilhelm Backman | Improvements in or relating to expanding pulleys |
| GB989894A (en) * | 1961-02-06 | 1965-04-22 | Josef Walk | Improvements in variable speed belt drives |
| US3661023A (en) * | 1970-12-15 | 1972-05-09 | Maurey Mfg Corp | Adjustable pulley construction |
| US4167124A (en) * | 1977-04-01 | 1979-09-11 | Dso "Rodopa" | Variable-speed chain drive unit |
| CN1031753A (en) * | 1988-06-28 | 1989-03-15 | 方俊昌 | Expansion type stepless speed variator |
| US4915673A (en) * | 1989-06-13 | 1990-04-10 | Gkn Automotive, Inc. | Variable diameter pulley having extendible elements |
| CN200956743Y (en) * | 2006-08-24 | 2007-10-10 | 王文俊 | Stepless gearing grass cutter |
| CN103104667B (en) * | 2013-01-30 | 2016-05-04 | 王子延 | A kind of band transmission diameter changing hub-type buncher |
-
2014
- 2014-06-16 CN CN201410265695.6A patent/CN104033551B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104033551A (en) | 2014-09-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |