CN108825736A - A kind of multi-disk type stepless variable speed unit - Google Patents
A kind of multi-disk type stepless variable speed unit Download PDFInfo
- Publication number
- CN108825736A CN108825736A CN201810675709.XA CN201810675709A CN108825736A CN 108825736 A CN108825736 A CN 108825736A CN 201810675709 A CN201810675709 A CN 201810675709A CN 108825736 A CN108825736 A CN 108825736A
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- China
- Prior art keywords
- disk
- socketed
- output shaft
- variable speed
- shaft
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
-
- 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
- F16H61/664—Friction gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a kind of multi-disk type stepless variable speed units, including speed changer cover, transmission shaft is equipped in speed changer cover, one end of transmission shaft is supported by bracket, the other end of transmission shaft is socketed with bearing A, the outer ring of bearing A is coaxially socketed with gear wheel, gear wheel is engaged with central gear, central gear is socketed on output shaft, bearing B is coaxially provided between central gear and output shaft, friction disc pack is additionally provided on output shaft, one end of output shaft is connected with input shaft, gear wheel is also engaged with pinion gear, pinion gear is coaxially socketed in one end of splined shaft, the other end of splined shaft is equipped with guiding mechanism, driving mechanism is connected on guiding mechanism, small frictional disk is coaxially socketed on splined shaft, small frictional disk and friction component cooperate.It is unstable that the present invention solves the problems, such as that easy skidding, power existing for existing speed changer are transmitted.
Description
Technical field
The invention belongs to gear technical fields, are related to a kind of multi-disk type stepless variable speed unit.
Background technique
Stepless transmission is one kind of speed changer, and stepless transmission is to utilize variable master and slave of transmission belt and working diameter
Driving wheel matches to transmit power, and the continuous change of transmitting ratio is realized with this.Existing stepless transmission is using transmission belt band
The conical pulley transmission of two changeable diameters, the outer diameter size of belt wheel carry out stepless variation by oil pressure size.This structure
Stepless transmission cannot bear biggish load, torque is limited, be easy skid, power transmitting it is unstable.
Summary of the invention
The object of the present invention is to provide a kind of multi-disk type stepless variable speed unit, solves and be easy to beat existing for existing speed changer
Sliding, power transmits unstable problem.
The technical scheme adopted by the invention is that a kind of multi-disk type stepless variable speed unit, including speed changer cover, in speed changer cover
Equipped with transmission shaft, one end of transmission shaft is supported by bracket, and the other end of transmission shaft is socketed with bearing A, and the outer ring of bearing A is coaxial
It is socketed with gear wheel, gear wheel is engaged with central gear, and central gear is socketed on output shaft, between central gear and output shaft
Be coaxially provided with bearing B, be additionally provided with friction disc pack on output shaft, one end of output shaft is connected with input shaft, gear wheel also with it is small
Gear engagement, pinion gear are coaxially socketed in one end of splined shaft, and the other end of splined shaft is equipped with guiding mechanism, connects on guiding mechanism
It is connected to driving mechanism, small frictional disk is coaxially socketed on splined shaft, small frictional disk and friction component cooperate.
The features of the present invention also characterized in that
One end end of output shaft and input axis connection is equipped with bearings D, is coaxially socketed with bearing C on input shaft, bearing C with
Spacer ring is equipped between bearings D.
The both ends of splined shaft are respectively equipped with bearing block A and bearing block B, and bearing block B is connect with guiding mechanism.
Guiding mechanism includes bracket B, and bracket B is connect with bearing block B, and the bottom of bracket B is the arc-shaped being recessed upwards, and
The bottom of bracket B and guide rail cooperate, and bracket B and driving mechanism cooperate.
Driving mechanism includes yoke plate A, bracket B and yoke plate A affixed, and yoke plate A and one end of yoke plate B are hinged, and yoke plate B's is another
End is hinged with feed screw nut, and feed screw nut is socketed on lead screw, and one end of lead screw is equipped with handwheel.
The both ends of lead screw are respectively equipped with limited block, and feed screw nut is positioned between the two limiting blocks.
Friction disc pack includes two intermediate friction disks being coaxially socketed on output shaft, the outside of two intermediate friction disks
It is respectively equipped with end frictional disk, two end frictional disks are also coaxially socketed on output shaft, in an end frictional disk and one
Between insert a small frictional disk between frictional disk.
The disk of small frictional disk is the lozenges of thick middle thin edge.
Spring base is also coaxially socketed on output shaft, spring base is connected with exporting axis by key A, and spring base is equipped with bullet
Spring, the outer, coaxial of spring are socketed with spring socket sleeve, and it is coaxially connected in spring that end frictional disk and intermediate friction disk pass through key B
On the outer wall of cover for seat.
Distinguish frictional disk end cap in the outside of two end frictional disks.
It is inserted between intermediate friction disk and end frictional disk, leads to the invention has the advantages that relying primarily on small frictional disk
It crosses and changes frictional force suffered by frictional disk group i.e. intermediate friction disk and end frictional disk, thus the rotation of frictional disk group, then
Influence the rotation situation of output shaft.The contact radius size for changing small frictional disk and intermediate friction disk, end frictional disk at this time is come
It realizes variable speed, substantially increases the torque of gear receiving, performance is stablized, and working range is wider.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multi-disk type stepless variable speed unit of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the structural schematic diagram of small frictional disk in a kind of multi-disk type stepless variable speed unit of the present invention.
In figure, 1. speed changer covers, 2. transmission shafts, 3. output shafts, 4. splined shafts, 5. input shafts, 6. bracket A, 7. bearing A,
8. gear wheel, 9. central gears, 10. bearing B, 11. bearing C, 12. spacer rings, 13. pinion gears, 14. small frictional disks, 15. bearing blocks
A, 16. bearing block B, 17. bracket B, 18. guide rails, 19. yoke plate A, 20. yoke plate B, 21. feed screw nuts, 22. lead screws, 23. handwheels,
24. limited block, 25. intermediate friction disks, 26. end frictional disks, 27. spring bases, 28. key A, 29. springs, 30. spring socket sleeves,
31. key B, 32. frictional disk end caps, 33. ladder axles, 34. bearings Ds, 35. wear rings.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of multi-disk type stepless variable speed unit of the present invention is equipped in speed changer cover 1 as shown in Figures 1 to 3, including speed changer cover 1
One end of transmission shaft 2, transmission shaft 2 is supported by bracket A6, and the other end of transmission shaft 2 is socketed with bearing A7, the outer ring of bearing A7
Coaxially be socketed with gear wheel 8, gear wheel 8 is engaged with central gear 9, and central gear 9 is socketed on output shaft 3, central gear 9 with
Bearing B10 is coaxially provided between output shaft 3, the outer ring of bearing B10 and central gear 9 are affixed, are additionally provided with frictional disk on output shaft 3
Component, one end of output shaft 3 are connected with input shaft 5, and gear wheel 8 is also engaged with pinion gear 13, and pinion gear 13 is coaxially socketed in flower
One end of key axis 4, the other end of splined shaft 4 are equipped with guiding mechanism, are connected with driving mechanism on guiding mechanism, same on splined shaft 4
Axle sleeve is connected to small frictional disk 14, and small frictional disk 14 cooperates with friction component.
One end end that output shaft 3 is connect with input shaft 5 is equipped with bearings D 34, is coaxially socketed with bearing C11 on input shaft 5,
Spacer ring 12 is equipped between bearing C11 and bearings D 34.
The both ends of splined shaft 4 are respectively equipped with bearing block A15 and bearing block B16, and bearing block B16 is connect with guiding mechanism.
Guiding mechanism includes bracket B17, and bracket B17 is connect with bearing block B16, and the bottom of bracket B17 is recessed upwards
Arc-shaped, and the bottom of bracket B17 and guide rail 18 cooperate, bracket B17 and driving mechanism cooperate.
Driving mechanism includes yoke plate A19, bracket B17 and yoke plate A19 affixed, and yoke plate A19 and one end of yoke plate B20 are hinged,
The other end and feed screw nut 21 of yoke plate B20 is hinged, and feed screw nut 21 is socketed on lead screw 22, and one end of lead screw 22 is equipped with handwheel
23。
The both ends of lead screw 22 are respectively equipped with limited block 24, and feed screw nut 21 is located between two limited blocks 24.
Friction disc pack includes two intermediate friction disks 25 being coaxially socketed on output shaft 3, two intermediate friction disks 25
Outside be respectively equipped with end frictional disk 26, two end frictional disks 26 are also coaxially socketed on output shaft 3, the friction of end
One small frictional disk 14 is inserted between disk 26 and an intermediate friction disk 25.
As shown in figure 4, the disk of small frictional disk 14 is the lozenges of thick middle thin edge.
Spring base 27 is also coaxially socketed on output shaft 3, spring base 27 is connect by key A28 with output shaft 3, spring base 27
It is equipped with spring 29, the outer, coaxial of spring 29 is socketed with spring socket sleeve 30, and end frictional disk 26 and intermediate friction disk 25 are logical
It is coaxially connected on the outer wall of spring socket sleeve 30 to cross key B31.
Distinguish frictional disk end cap 32 in the outside of two end frictional disks 26.
A kind of working principle of multi-disk type stepless variable speed unit of the present invention is that one end end of input shaft 5 passes through half a coupler
33 connection motors are equipped with wear ring 35 between ladder axle 33 and bearing C11, wear ring 35 is used to reduce the abrasion between body,
Spacer ring 12 between bearing C11 and bearings D 34 is used to control the axial movement of motion process middle (center) bearing.By rotating handwheel 23,
The position of 22 upper leading screw nut 21 of adjusting screw, moves feed screw nut 21 between two limited blocks 24, and feed screw nut 21 is logical
It crosses yoke plate B20 and drives yoke plate A19 movement, yoke plate A19 and bracket B17 are affixed, and bracket B17 drives splined shaft 4 by bearing block B16
It moves back and forth, splined shaft 4 drives pinion gear 13 to rotate, and pinion gear 13 moves on the track 18 with splined shaft 4, small frictional disk 14
On splined shaft 4, small frictional disk 14 can be moved as splined shaft 4 rotates, the small wedge shaped construction of friction, end frictional disk 26
It is all located on spring socket sleeve 30 with intermediate friction disk 25, frictional disk end cap 32 protects intermediate friction disk 25 and end frictional disk 26 to transport
Capable stabilization, the longitudinal movement of spring 29 change the contact range with intermediate friction disk 25 and end frictional disk 26, by rubbing
The variation for wiping power influences the rotation of frictional disk, and frictional disk rotation situation controls the rotation of output shaft 3, to control output shaft 3
Revolving speed.
A kind of the characteristics of multi-disk type stepless variable speed unit of the invention is to rely primarily on small frictional disk 14 to be inserted in intermediate friction disk 25
Between end frictional disk 26, the contact radius size for changing small frictional disk 14 and intermediate friction disk 25, end frictional disk 26 is come
Realize variable speed, control mechanism uses hardness, and the better frictional disk group of material property replaces traditional chain belt mechanism, therefore big
The ability of gear bearing torque is improved greatly, and performance is stablized, and working range is wider.
Claims (10)
1. a kind of multi-disk type stepless variable speed unit, it is characterised in that：Including speed changer cover (1), transmission shaft is equipped in speed changer cover (1)
(2), one end of transmission shaft (2) is supported by bracket A (6), and the other end of transmission shaft (2) is socketed with bearing A (7), bearing A (7)
Outer ring be coaxially socketed with gear wheel (8), gear wheel (8) is engaged with central gear (9), and central gear (9) is socketed in output shaft
(3) it on, is coaxially provided between central gear (9) and output shaft (3) bearing B (10), output shaft is additionally provided with frictional disk group on (3)
Part, one end of output shaft (3) are connected with input shaft (5), and gear wheel (8) is also engaged with pinion gear (13), and pinion gear (13) is coaxial
It is socketed in one end of splined shaft (4), the other end of splined shaft (4) is equipped with guiding mechanism, is connected with driving on the guiding mechanism
Mechanism is coaxially socketed with small frictional disk (14) on splined shaft (4), and small frictional disk (14) and the friction component cooperate.
2. a kind of multi-disk type stepless variable speed unit according to claim 1, it is characterised in that：The output shaft (3) and input
One end end of axis (5) connection is equipped with bearings D (34), is coaxially socketed with bearing C (11) on input shaft (5), bearing C (11) and axis
It holds and is equipped with spacer ring (12) between D (34).
3. a kind of multi-disk type stepless variable speed unit according to claim 1, it is characterised in that：The both ends of the splined shaft (4)
It is respectively equipped with bearing block A (15) and bearing block B (16), bearing block B (16) is connect with the guiding mechanism.
4. a kind of multi-disk type stepless variable speed unit according to claim 3, it is characterised in that：The guiding mechanism includes bracket
B (17), bracket B (17) are connect with bearing block B (16), and the bottom of bracket B (17) is the arc-shaped being recessed upwards, and bracket B
(17) bottom and guide rail (18) cooperates, and bracket B (17) and driving mechanism cooperate.
5. a kind of multi-disk type stepless variable speed unit according to claim 4, it is characterised in that：The driving mechanism includes yoke plate
A (19), the bracket B (17) and yoke plate A (19) are affixed, and one end of yoke plate A (19) and yoke plate B (20) is hinged, yoke plate B's (20)
Hingedly, feed screw nut (21) is socketed on lead screw (22) for the other end and feed screw nut (21), and one end of lead screw (22) is equipped with handwheel
(23)。
6. a kind of multi-disk type stepless variable speed unit according to claim 5, it is characterised in that：The both ends of the lead screw (22) point
Not She You limited block (24), feed screw nut (21) is located between two limited blocks (24).
7. a kind of multi-disk type stepless variable speed unit according to claim 1, it is characterised in that：The friction disc pack includes two
It is a to be coaxially socketed in intermediate friction disk (25) on output shaft (3), end is respectively equipped on the outside of two intermediate friction disks (25)
Frictional disk (26), two end frictional disks (26) are also coaxially socketed on output shaft (3), end frictional disk (26) with one
One small frictional disk (14) is inserted between intermediate friction disk (25).
8. according to claim 1 or a kind of multi-disk type stepless variable speed unit described in 7 any claims, it is characterised in that：It is described
The disk of small frictional disk (14) is the lozenges of thick middle thin edge.
9. a kind of multi-disk type stepless variable speed unit according to claim 7, it is characterised in that：It is also same on the output shaft (3)
Axle sleeve is connected to spring base (27), and spring base (27) is connect by key A (28) with output shaft (3), and spring base (27) is equipped with spring
(29), the outer, coaxial of spring (29) is socketed with spring socket sleeve (30), the end frictional disk (26) and intermediate friction disk (25)
It is coaxially connected on the outer wall of spring socket sleeve (30) by key B (31).
10. a kind of multi-disk type stepless variable speed unit according to claim 7, it is characterised in that：Two end frictional disks
(26) distinguish frictional disk end cap (32) in outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675709.XA CN108825736A (en) | 2018-06-27 | 2018-06-27 | A kind of multi-disk type stepless variable speed unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675709.XA CN108825736A (en) | 2018-06-27 | 2018-06-27 | A kind of multi-disk type stepless variable speed unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825736A true CN108825736A (en) | 2018-11-16 |
Family
ID=64137710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810675709.XA Pending CN108825736A (en) | 2018-06-27 | 2018-06-27 | A kind of multi-disk type stepless variable speed unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825736A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB781396A (en) * | 1955-08-04 | 1957-08-21 | Josef Beier | Improvements in or relating to a variable friction gear |
| CN2113384U (en) * | 1991-12-03 | 1992-08-19 | 程建平 | Multi-disk and poly-ring series type stepless variable speed machine by friction |
| CN204267634U (en) * | 2014-11-27 | 2015-04-15 | 邓巍 | The stepless zero passage speed changer of multi-disc type |
-
2018
- 2018-06-27 CN CN201810675709.XA patent/CN108825736A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB781396A (en) * | 1955-08-04 | 1957-08-21 | Josef Beier | Improvements in or relating to a variable friction gear |
| CN2113384U (en) * | 1991-12-03 | 1992-08-19 | 程建平 | Multi-disk and poly-ring series type stepless variable speed machine by friction |
| CN204267634U (en) * | 2014-11-27 | 2015-04-15 | 邓巍 | The stepless zero passage speed changer of multi-disc type |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国纺织工业部: "《纺织机械标准资料选编》", 31 December 1980 * |
| 阮忠唐: "《机械无级变速器设计与选用指南》", 30 September 1999 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |