CN111779805A - Transmission driven disc and transmission - Google Patents
Transmission driven disc and transmission Download PDFInfo
- Publication number
- CN111779805A CN111779805A CN202010665182.XA CN202010665182A CN111779805A CN 111779805 A CN111779805 A CN 111779805A CN 202010665182 A CN202010665182 A CN 202010665182A CN 111779805 A CN111779805 A CN 111779805A
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- Prior art keywords
- driven
- shaft sleeve
- transmission
- moving
- disk
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 13
- 238000010009 beating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- 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
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially 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
- 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
- F16H9/16—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 two pulleys, both 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 driven disc of a transmission, which comprises a driven fixed disc and a driven movable disc which are coaxially arranged, wherein the driven fixed disc comprises a step part with a step hole in the middle and an inclined plane part connected with the step part.
Description
Technical Field
The invention relates to the field of transmissions, in particular to a transmission driven disc and a transmission.
Background
CVT (continuously Variable Transmission) technology, namely, a stepless speed change technology, adopts a transmission belt and a driving wheel and a driven wheel with Variable working diameters to match and transmit power, and can realize continuous change of a transmission ratio so as to obtain the optimal matching of a transmission system and the working condition of an engine.
The existing beach vehicle transmission achieves the purpose of speed change by continuously changing the contact radius of a belt and a belt pulley during speed change, a driving wheel and a driven wheel are driven to change together by the aid of an internal centrifugal mechanism, but in the whole speed change process, the belt between the driving wheel and the driven wheel has a fault phenomenon, the fault phenomenon can influence transmission efficiency to reduce the service life of the belt simultaneously, and great negative effects are brought to the whole speed change process.
Therefore, a novel transmission driven disc and a transmission are needed, and the problems are conveniently and effectively solved.
Disclosure of Invention
In view of this, the present invention provides a novel transmission driven disc and a transmission, which can effectively solve the problem of a fault condition occurring in a speed changing process, so that the speed changing process is more stable, the transmission efficiency between a driving wheel and a driven wheel is improved, the service life of a belt is prolonged, and the product quality is optimized.
The utility model provides a derailleur driven plate, includes driven fixed disk and the driven movable disk that sets up of coaxial, driven fixed disk is equipped with the step portion in step hole and is connected the inclined plane portion that sets up with step portion including the centre. Driven moving plate and driven fixed disk coaxial setting and driven moving plate can realize its variable speed function at its axis direction reciprocating sliding, can effectively solve the disconnected poor condition that appears among the variable speed process, make the variable speed process more steady, promote the action wheel and from the transmission efficiency between the driving wheel, promote the belt life-span, optimize product quality.
Further, the section of the inclined plane part is of a gradually changed arc structure; the arc structure, at the variable speed in-process, the V type belt contact arc surface face with between the contact more smooth-going, the phenomenon of violent friction even of beating of traditional structure can not appear, the overall process is softer.
Further, the end of the step part extends outwards along the radial direction and bends downwards to form the inclined plane part. The end part of the step part extends towards the radial direction and bends downwards, the bent tail end part is bent slightly towards the axial direction for 5-8mm, and an installation annular groove structure is formed between the inclined plane part and the step part and used for installing the fan blade.
Furthermore, the device also comprises a driven fixed shaft sleeve arranged in the stepped hole and a driven movable shaft sleeve which is externally sleeved on the driven fixed shaft sleeve and can reciprocate along the axial direction of the driven fixed shaft sleeve. The driven moving shaft sleeve 4 is driven by a spring sleeved outside the driven moving shaft sleeve to reciprocate in the axial direction.
Further, the driven fixed shaft sleeve comprises a fixed shaft sleeve step fixedly assembled with the step hole and a fixed shaft sleeve rod used for installing the driven movable shaft sleeve, and a spiral groove is formed in the fixed shaft sleeve rod. The driven fixed shaft sleeve with the T-shaped structure comprises a step part and a sleeve rod part, wherein a spiral groove similar to a kidney-shaped hole structure is formed in the fixed shaft sleeve rod, and the spiral groove is convenient for the sliding piece to slide on the sliding piece as a track.
Further, the driven moving shaft sleeve comprises a moving shaft sleeve step fixedly mounted with the driven moving disc and a moving shaft sleeve rod perpendicular to the moving shaft sleeve step, a sliding shaft is arranged on the moving shaft sleeve rod, and the sliding shaft penetrates through the spiral groove inwards along the radial direction and can slide in the spiral groove in a reciprocating mode along the axis direction. The section of the driven moving shaft sleeve is also in a T-shaped structure, and the driven moving shaft sleeve and the driven moving disc are arranged in a welding mode.
Further, the driven moving disk comprises a moving disk step portion and a moving disk arc-shaped annular surface which extends along the moving disk step portion in the radial direction and is formed in an upward bending mode. Move and move the dish and also adopt arc structural design for the belt is when the variable speed, and the belt contacts more steadily between the two, reduces the production of beating, promotes the life of belt.
Further, the section of the arc-shaped annular surface of the movable plate is of an arc-shaped structure. The arc-shaped annular surface of the movable disc adopts the same design mode as the fixed disc, so that the processing is simpler, and the production cost is reduced.
Further, the arc structure of the inclined plane part adopts a formula
Processing, wherein: a is the center distance, l is the length of the belt core wire, and B is the width of the core wire.
A transmission of a beach vehicle is provided with the driven disc of the transmission.
The invention has the beneficial effects that:
this technical scheme provides a neotype derailleur driven plate and derailleur, can effectively solve the disconnected poor condition that appears among the speed change process, makes the speed change process more steady, promotes the action wheel and follows the transmission efficiency between the driving wheel, promotes the belt life-span, optimizes product quality.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a screen panel according to the present invention;
FIG. 3 is a schematic view of the mounting structure of the driven fixing disk of the present invention;
FIG. 4 is a schematic view of a driven stationary bushing according to the present invention;
FIG. 5 is a schematic axial view of a driven mounting plate according to the present invention;
FIG. 6 is another axial view of the driven mounting plate of the present invention;
FIG. 7 is a schematic cross-sectional view of the inventive belt;
FIG. 8 is a schematic diagram of the offset comparison of the present invention.
Detailed Description
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a schematic diagram of a screen panel according to the present invention; FIG. 3 is a schematic view of the mounting structure of the driven fixing disk of the present invention; FIG. 4 is a schematic view of a driven stationary bushing according to the present invention; FIG. 5 is a schematic axial view of a driven mounting plate according to the present invention; FIG. 6 is another axial view of the driven mounting plate of the present invention; FIG. 7 is a schematic cross-sectional view of the inventive belt; FIG. 8 is a schematic diagram of a step comparison according to the present invention; as shown in the figure, a derailleur driven plate, driven fixed disk 1 and driven removal dish 2 including coaxial setting, driven fixed disk 1 is equipped with the step portion 12 of step hole and is connected the inclined plane portion 11 that sets up with step portion 12 in the middle. Driven movable disk 2 and driven fixed disk 1 coaxial setting and driven movable disk 2 can realize its variable speed function at its axis direction (vertical direction in fig. 1 promptly) reciprocating sliding, and the disconnected poor condition that appears in this technical scheme's derailleur driven disk and derailleur can effectively be solved to the derailleur driven disk and the derailleur that this technical scheme provided, makes the variable speed process more steady, promotes the action wheel and follows the transmission efficiency between the driving wheel, promotes 5 life-span of belt, optimizes product quality.
In this embodiment, 11 axial cross-sections of inclined plane portion are the arc structure, and traditional inclined plane portion structure adopts the sharp design mode of linear function, and for traditional structure, what this technical scheme adopted is that gradual change's pitch arc structure designs and processes, and in the speed change process, the contact between face and the face is more smooth-going when V type belt 5 contacts the arc surface, and the phenomenon of violent friction even of beating of traditional structure can not appear, and whole speed change process is softer.
In this embodiment, the end of the step portion 12 extends outward along the radial direction and bends downward to form the inclined surface portion 11. As shown in fig. 3, the end of the step portion 12 extends in the radial direction and bends downward, the bent end portion continues to bend slightly in the axial direction by 5-8mm, and an installation annular groove structure is formed in front of the inclined surface portion 11 and the step portion 12 for installing fan blades and enhancing the heat dissipation effect of the structure in the operation process.
In this embodiment, the device further includes a driven fixed shaft sleeve 3 disposed in the stepped hole (i.e., the stepped hole formed by the stepped portion 12), and a driven movable shaft sleeve 4 externally sleeved on the driven fixed shaft sleeve 3 and capable of reciprocating along the axial direction of the driven fixed shaft sleeve 3. The driven moving shaft sleeve 4 is driven by a spring externally sleeved on the driven moving shaft sleeve 4 to reciprocate in the axial direction, and the section of the driven fixed shaft sleeve 3 is T-shaped and is assembled with the step hole in a welding mode. An oil seal structure is arranged between the driven fixed shaft sleeve 3 and the driven movable shaft sleeve 4, so that relative movement between the driven fixed shaft sleeve and the driven movable shaft sleeve is facilitated.
In this embodiment, the driven fixed shaft sleeve 3 includes a fixed shaft sleeve step for being fixedly assembled with the step hole and a fixed shaft sleeve rod for installing the driven movable shaft sleeve, and the fixed shaft sleeve rod is provided with a spiral groove 31. The driven fixed shaft sleeve 3 with the T-shaped structure comprises a step part and a sleeve rod part, a spiral groove 31 similar to a waist-shaped structure is formed in the fixed shaft sleeve rod, and the spiral groove 31 facilitates sliding of the sliding piece as a track.
In this embodiment, the driven moving shaft sleeve 4 includes a moving shaft sleeve step for being fixedly mounted with the driven moving disc 2 and a moving shaft sleeve rod perpendicular to the moving shaft sleeve step, and a sliding shaft is disposed on the moving shaft sleeve rod and penetrates through the spiral groove 31 inward along the radial direction and can slide in the spiral groove 31 in a reciprocating manner along the axial direction. The section of the driven moving shaft sleeve 4 is also of a T-shaped structure, and the driven moving shaft sleeve 4 and the driven moving disc 2 are arranged in a welding mode, so that the driven moving disc 2 is driven to slide back and forth when the driven moving shaft sleeve 4 slides axially.
In this embodiment, the driven moving disk 2 includes a moving disk step portion and a moving disk arc-shaped annular surface that extends radially along the moving disk step portion and is formed by bending upward. Driven movable disc 2 also adopts arc structural design for belt 5 is when the variable speed, and belt 5 contacts more steadily between the two, reduces the production of beating, promotes the life of belt. The section of the arc-shaped annular surface of the movable disc is of an arc-shaped structure. The arc-shaped annular surface of the movable disc adopts the same design mode as the fixed disc, so that the processing is simpler, and the production cost is reduced.
In this embodiment, the arc structure of the inclined plane portion adopts a formula
Processing, wherein: a is the center distance (i.e., the shaft distance) between the driving pulley 6 and the driven pulley, 51 is the belt cord, l is the belt cord length (circumference), B is the cord width, and k and B are constants. As shown in fig. 8, kx + b is traditional inclined plane parameter design mode, has very strong disconnected poor phenomenon and produces, seriously influences the whole transmission efficiency of structure and the life of belt, and adopts the design mode of gradual change pitch arc, and after above-mentioned pitch arc formula was processed and was designed promptly, whole mechanism was more steady at the variable speed in-process, has effectively promoted the transmission and has imitatedRate and service life.
A transmission of a beach vehicle is provided with the driven disc of the transmission.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A transmission driven disc characterized by: driven fixed disk and driven removal dish including coaxial setting, driven fixed disk is equipped with the step portion in step hole and is connected the inclined plane portion that sets up with step portion including the centre.
2. The transmission driven disk of claim 1, wherein: the axial section of the inclined plane part is of a gradually changed arc structure.
3. The transmission driven disk of claim 2, wherein: the end part of the step part extends outwards along the radial direction and bends downwards to form the inclined plane part.
4. The transmission driven disk of claim 3, wherein: the arc structure of the inclined plane part adopts a formula
Processing, wherein: a is the center distance, l is the length of the belt core wire, and B is the width of the core wire.
5. The transmission driven disk of claim 3, wherein: the device also comprises a driven fixed shaft sleeve arranged in the stepped hole and a driven movable shaft sleeve which is externally sleeved on the driven fixed shaft sleeve and can reciprocate along the axial direction of the driven fixed shaft sleeve.
6. The transmission driven disk of claim 5, wherein: the driven fixed shaft sleeve comprises a fixed shaft sleeve step fixedly assembled with the step hole and a fixed shaft sleeve rod used for installing the driven movable shaft sleeve, and a spiral groove is formed in the fixed shaft sleeve rod.
7. The transmission driven disk of claim 6, wherein: the driven moving shaft sleeve comprises a moving shaft sleeve step fixedly mounted with the driven moving disc and a moving shaft sleeve rod perpendicular to the moving shaft sleeve step, a sliding shaft is arranged on the moving shaft sleeve rod, and the sliding shaft penetrates through the spiral groove inwards along the radial direction and can slide in the spiral groove in a reciprocating mode along the axis direction.
8. The transmission driven disk of claim 7, wherein: the driven moving disc comprises a moving disc step portion and a moving disc arc-shaped annular surface which extends along the moving disc step portion in the radial direction and is formed by bending upwards.
9. The transmission driven disk of claim 8, wherein: the section of the arc-shaped annular surface of the movable disc is of an arc-shaped structure.
10. A beach vehicle transmission is characterized in that: the transmission is equipped with the beach vehicle of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665182.XA CN111779805B (en) | 2020-07-10 | 2020-07-10 | Transmission driven disc and transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665182.XA CN111779805B (en) | 2020-07-10 | 2020-07-10 | Transmission driven disc and transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111779805A true CN111779805A (en) | 2020-10-16 |
| CN111779805B CN111779805B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010665182.XA Active CN111779805B (en) | 2020-07-10 | 2020-07-10 | Transmission driven disc and transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111779805B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0893858A (en) * | 1994-09-29 | 1996-04-12 | Yamaha Motor Co Ltd | V belt for continuously variable transmission |
| JP2001248697A (en) * | 2000-03-02 | 2001-09-14 | Suzuki Motor Corp | V-belt type automatic transmission |
| US20060052192A1 (en) * | 2004-08-24 | 2006-03-09 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Belt-driven conical-pulley transmission, method for producing it, and motor vehicle having such a transmission |
| WO2012105036A1 (en) * | 2011-02-04 | 2012-08-09 | トヨタ自動車株式会社 | Belt-type continuously variable transmission |
| CN202545778U (en) * | 2012-04-20 | 2012-11-21 | 浙江奋进机械有限公司 | Radiating mechanism for stepless transmission |
| CN202728509U (en) * | 2012-02-03 | 2013-02-13 | 伍怀秋 | Stepless speed changing clutch for motorcycle |
| CN104389971A (en) * | 2014-11-21 | 2015-03-04 | 顺德职业技术学院 | Stepless speed change transmission device for single row planetary gear mechanism |
| CN106662235A (en) * | 2014-05-09 | 2017-05-10 | 自动变速器创新股份有限公司 | Axial transmission system |
| CN210739288U (en) * | 2019-08-28 | 2020-06-12 | 重庆隆鑫通航发动机制造有限公司 | Automatic transmission |
-
2020
- 2020-07-10 CN CN202010665182.XA patent/CN111779805B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0893858A (en) * | 1994-09-29 | 1996-04-12 | Yamaha Motor Co Ltd | V belt for continuously variable transmission |
| JP2001248697A (en) * | 2000-03-02 | 2001-09-14 | Suzuki Motor Corp | V-belt type automatic transmission |
| US20060052192A1 (en) * | 2004-08-24 | 2006-03-09 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Belt-driven conical-pulley transmission, method for producing it, and motor vehicle having such a transmission |
| WO2012105036A1 (en) * | 2011-02-04 | 2012-08-09 | トヨタ自動車株式会社 | Belt-type continuously variable transmission |
| CN202728509U (en) * | 2012-02-03 | 2013-02-13 | 伍怀秋 | Stepless speed changing clutch for motorcycle |
| CN202545778U (en) * | 2012-04-20 | 2012-11-21 | 浙江奋进机械有限公司 | Radiating mechanism for stepless transmission |
| CN106662235A (en) * | 2014-05-09 | 2017-05-10 | 自动变速器创新股份有限公司 | Axial transmission system |
| CN104389971A (en) * | 2014-11-21 | 2015-03-04 | 顺德职业技术学院 | Stepless speed change transmission device for single row planetary gear mechanism |
| CN210739288U (en) * | 2019-08-28 | 2020-06-12 | 重庆隆鑫通航发动机制造有限公司 | Automatic transmission |
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| Publication number | Publication date |
|---|---|
| CN111779805B (en) | 2023-08-25 |
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