CN203856999U - Cam connected rotary disc and arc tooth linkage transmission reduction mechanism - Google Patents
Cam connected rotary disc and arc tooth linkage transmission reduction mechanism Download PDFInfo
- Publication number
- CN203856999U CN203856999U CN201420274202.0U CN201420274202U CN203856999U CN 203856999 U CN203856999 U CN 203856999U CN 201420274202 U CN201420274202 U CN 201420274202U CN 203856999 U CN203856999 U CN 203856999U
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- arc
- rotary disk
- cylindrical roller
- cam
- spline
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Abstract
A cam connected rotary disc and arc tooth linkage transmission reduction mechanism comprises a cylindrical cam, a center rotating shaft, a second rotary disc, a first rotary disc, cylindrical rollers and an arc rack. A center hole is formed in the axis center of the cylindrical cam. Key slots for power transmission are arranged in the hole. The cylindrical cam meshes with the cylindrical rollers which are distributed on the circumference of the first rotary disc matched on the center rotating shaft. The center rotating shaft is provided with the second rotary disc which is connected with the same through spline. The cylindrical rollers distributed on the circumference of the second rotary disc mesh with arc teeth on the arc rack. The cam connected rotary disc and arc rack linkage transmission reduction mechanism has the advantages of high transmission power and efficiency and stable performance, and has low requirements for manufacturing and mounting precision.
Description
Technical field
The utility model relates to a kind of mechanical transmission, particularly relates to a kind of cam and connects rotating disk arc-shaped gear associating transmission speed reducer structure.
Background technique
Retarder is as mechanical transmission component, and improving constantly of its technical merit is most important to the development of mechanical industry.China's retarder technical merit is far away from American-European countries at present, existing traditional retarder is mostly gear reducer, plane table thermoconductivity meter, worm type of reduction gearing etc., smaller for gear reducer transmission, while adopting Multi-stage transmission, cause efficiency further to decline, simultaneously under case of heavy load, flank of tooth impact force is larger, shakes and wear and tear corresponding larger in engagement process; Turbine and worm retarder can meet the demands on velocity ratio, while stable drive, but its volume is larger, between turbine and worm screw, is sliding friction, and under high-speed overload, wearing and tearing and frictional heating are comparatively serious, cause wearing and tearing large, and the while is also seriously reduced transmission efficiency; And other common retarder is as high in transmission accuracies such as plane table thermoconductivity meter, planet-cycloid reducer, harmonic speed reducers, but that the moment of torsion of its transmission is difficult for is excessive, is not suitable for severe duty.
Summary of the invention
The purpose of this utility model is that solution provides a kind of cam to connect rotating disk arc-shaped gear associating transmission speed reducer structure, this mechanism has reduced manufacturing, the requirement of installation precision, and there is simple, compact structure, transmission precision, be easy to processing, cheap and be applicable to low-speed heave-load.
For achieving the above object, the technological scheme that the utility model adopts is:
Comprise by cylindrical cam, shaft, rotary disk two, rotary disk one, cylindrical roller, arc-shaped rack; In cylindrical cam axle center, there is center hole at place.In hole, be provided with the keyway of power input, cylindrical cam circumferentially distribute with the rotary disk one coordinating on shaft cylindrical roller be meshed, on shaft axle, be provided with the rotary disk two by spline joint simultaneously, rotary disk two circumferentially distribute cylindrical roller mesh with the arc-shaped gear on arc-shaped rack.
The utility model is double-stage driving, and the transmission of cylindrical cam and rotary disk one is one-level transmission, and rotary disk two is secondary transmission with arc-shaped gear engagement driving.
By technique scheme, described shaft two ends are provided with the spline one being connected with rotary disk one and the spline two being connected with rotary disk two.
By technique scheme, described rotary disk one central axis place is provided with the spline keyway one being connected with shaft, in outer ring, be evenly equipped with some cycle holes that are connected with cylindrical roller simultaneously, rotary disk two central axis places are provided with the spline keyway two being connected with shaft, are evenly equipped with some cycle holes that are connected with cylindrical roller simultaneously in outer ring.
By technique scheme, described arc-shaped rack is individual layer arc-shaped rack, which is provided with some individual layer arc-shaped gears, and described cylindrical roller is individual layer cylindrical roller.
By technique scheme, described arc-shaped rack is double-deck arc-shaped rack, which is provided with some double-deck arc-shaped gears, and described cylindrical roller is double-deck cylindrical roller, and double-deck cylindrical roller is comprised of floral axis and roll sleeve, and both pass through spline fitted.
By technique scheme, on described rotary disk, there is inner ring hole, in order to alleviate rotary disk quality and to save material.
The utility model has been owing to having adopted technique scheme, has that transferring power is large, efficiency is high, the characteristic of stable working, reduced manufacturing, the requirement of installation precision simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure front elevational schematic of the utility model embodiment one.
Fig. 2 is the structure elevational schematic view of the utility model embodiment one.
Fig. 3 is that schematic diagram is looked on a structure left side for the utility model embodiment one.
Fig. 4 is that schematic diagram is looked on the structure right side of the utility model embodiment one.
Fig. 5 is the structure front elevational schematic of the utility model embodiment two.
Fig. 6 is the structure elevational schematic view of the utility model embodiment two.
Fig. 7 is that schematic diagram is looked on a structure left side for the utility model embodiment two.
Fig. 8 is that schematic diagram is looked on the structure right side of the utility model embodiment two.
Fig. 9 is the structural representation of shaft of the present utility model.
Figure 10 is the structural representation of spline of the present utility model.
Figure 11 is the structural representation of roll sleeve of the present utility model.
In figure: 1. individual layer arc-shaped rack, 2. rotary disk one, 3. center hole, 4. spline keyway one, 5. arc-shaped gear, 6. individual layer cylindrical roller, 7. cycle hole, 8. inner ring hole, 9. rotary disk two, 10. spline keyway two, 11. splines one, 12. shafts, 13. spline two, 14. cylindrical cams, 15. keyways, 16. double-deck cylindrical rollers, 17. angular contact bearings, 18. floral axis, 19. roll sleeves, 20. double-deck arc-shaped racks.
Embodiment
mode of execution one
as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 9, comprise arc-shaped rack 1, rotary disk 2, center hole 3, spline keyway 1, individual layer arc-shaped gear 5, individual layer cylindrical roller 6, cycle hole 7, inner ring hole 8, rotary disk 29, spline keyway 2 10, spline 1, shaft 12, spline 2 13, cylindrical cam 14, keyway 15.Cylindrical cam 14 places, axle center are provided with center hole 3, in center hole 3, be provided with the keyway 15 for power input, cylindrical cam 14 axis are vertical with rotary disk one 2 axis, the equally distributed some individual layer cylindrical rollers 6 of rotary disk one 2 circumferencial direction, individual layer cylindrical roller 6 is connected with rotary disk 1 by angular contact bearing 17, individual layer cylindrical roller 6 curved surfaces and cylindrical cam 14 contoured surfaces are the conjugation engagement of two sides, space curved surface, rotary disk one 2 centers are provided with spline keyway 1 and coordinate with shaft 12, in rotary disk 29 centers, be provided with spline keyway 2 10 is connected with shaft 12 simultaneously, shaft 12 two ends are provided with the spline 1 being connected with rotary disk 1 and the spline 2 13 being connected with rotary disk 29.Rotary disk 29 is parallel with arc-shaped rack 1, rotary disk 29 circumferencial directions are uniformly distributed some individual layer cylindrical rollers 6, individual layer cylindrical roller 6 is connected with rotary disk 2 10 by angular contact bearing, the contoured surface of arc-shaped gear 5 engagement on individual layer cylindrical roller 6 curved surfaces and arc-shaped rack 1.Angular contact bearing 17 is the displacement of individual layer cylindrical roller 6 axial directions fixedly, but does not affect the circumferential rotation of individual layer cylindrical roller 6.Thereby diriven motion is for rolling on the contoured surface of individual layer cylindrical roller 6 arc-shaped gear 5 on arc-shaped rack 1, friction is therebetween rolling friction, can greatly reduce friction, and increases transmission efficiency.
Rotary disk 1 and rotary disk 2 10 outer rings are evenly equipped with some cycle holes 7 that are connected with individual layer cylindrical roller 6 and in order to alleviate rotary disk quality and the inner ring hole 8 of saving material.
The utility model is when work, first motor is inputted power by the keyway 15 on the center hole 3 with cylindrical cam 14 places, axle center, drive with the rotary disk 1 of cylindrical cam 14 engagements and rotate, rotary disk one 2 centers are provided with spline keyway 1 and coordinate with shaft 12, drive shaft 12 to rotate, shaft and rotary disk 29 center spline keyway 2 10 engagements, thereby drive rotary disk 29 rotations, on arc-shaped rack 1, the contoured surface of arc-shaped gear 5 contacts with the cylindrical roller curved surface on rotary disk 29, cylindrical roller is forced to roll on the profile of arc-shaped rack, both produce relative movement, drive the motion of arc-shaped rack 1.
mode of execution two
As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 10, Figure 11, comprise double-deck arc-shaped rack 20, rotary disk 2, center hole 3, spline keyway 1, individual layer arc-shaped gear 5, individual layer cylindrical roller 6, cycle hole 7, inner ring hole 8, rotary disk 29, spline keyway 2 10, spline 1, shaft 12, spline 2 13, cylindrical cam 14, keyway 15, double-deck cylindrical roller 16.Cylindrical cam 14 places, axle center are provided with center hole 3, in center hole 3, be provided with the keyway 15 for power input, cylindrical cam 14 axis are vertical with rotary disk one 2 axis, the equally distributed some individual layer cylindrical rollers 6 of rotary disk one 2 circumferencial direction, individual layer cylindrical roller 6 is connected with rotary disk 1 by angular contact bearing 17, the conjugation engagement that the wide face of cylindrical roller curved surface and cylindrical cam is two sides, space curved surface, rotary disk one 2 centers are provided with spline keyway 1 and coordinate with shaft 12, in rotary disk 29 centers, be provided with spline keyway 2 10 is connected with shaft 12 simultaneously.Shaft 12 two ends are provided with the spline 1 being connected with rotary disk 1 and the spline 2 13 being connected with rotary disk 29.Rotary disk 29 is parallel with double-deck arc-shaped rack 20, rotary disk 2 is parallel with double-deck arc-shaped rack 20, rotary disk 2 is between the double-deck arc-shaped gear 5 of double-deck arc-shaped rack 20, the both sides of rotary disk 29 are uniformly distributed some double-deck cylindrical rollers 16, double-deck cylindrical roller 16 is connected with rotary disk 29 by angular contact bearing, the double-deck arc-shaped gear 5 contoured surface engagements of double-deck cylindrical roller 16 curved surfaces and double-deck arc-shaped rack 20.Double-deck cylindrical roller 16 is comprised of floral axis 18 and roll sleeve 19, and both pass through spline fitted.Angular contact bearing 17 can be fixed the displacement of double-deck cylindrical roller 16 axial directions, but does not affect the circumferential rotation of double-deck cylindrical roller 16.Thereby diriven motion is for rolling on the contoured surface of double-deck cylindrical roller 16 arc-shaped gear 5 on double-deck arc-shaped rack 20, friction is therebetween rolling friction, can greatly reduce friction, and increases transmission efficiency.
Rotary disk 1 and rotary disk 2 10 outer rings are evenly equipped with some cycle holes that are connected with cylindrical roller 7 and in order to alleviate rotary disk quality and the inner ring hole 8 of saving material.
Double-deck arc-shaped rack 20 is provided with some arc-shaped gears 5.
The utility model is when work, first motor is inputted power by the keyway 15 on the center hole 3 with cylindrical cam 14 places, axle center, drive with cylindrical cam 14 engagement rotary disks 1 and rotate, rotary disk one 2 centers are provided with spline keyway 1 and coordinate with shaft 12, drive shaft 12 to rotate, shaft 12 and rotary disk 29 center spline keyway 2 10 engagements, thereby drive rotary disk 29 rotations, on double-deck arc-shaped rack 20, the contoured surface of arc-shaped gear 5 contacts with the cylindrical roller curved surface on rotary disk 29, double-deck cylindrical roller 16 is forced to roll on the profile of double-deck arc-shaped rack 20, both produce relative movement, drive the motion of double-deck arc-shaped rack 20.
Claims (6)
1. cam connects a rotating disk arc-shaped gear associating transmission speed reducer structure, it is characterized in that: comprise by cylindrical cam (14), shaft (12), rotary disk two (9), rotary disk one (2), cylindrical roller, arc-shaped rack; In cylindrical cam (12) axle center, there is center hole (3) at place, in hole, be provided with the keyway (15) of power input, the upper rotary disk coordinating (2) of cylindrical cam (14) and shaft (12) circumferentially distribute cylindrical roller be meshed, on shaft (12) axle, be provided with the rotary disk two (9) by spline joint simultaneously, rotary disk two (9) circumferentially distribute cylindrical roller mesh with the arc-shaped gear on arc-shaped rack (5).
2. cam according to claim 1 connects rotating disk arc-shaped gear associating transmission speed reducer structure, it is characterized in that: described shaft (12) two ends are provided with the spline one (11) being connected with rotary disk one (2) and the spline two (13) being connected with rotary disk two (9).
3. cam according to claim 1 and 2 connects rotating disk arc-shaped gear associating transmission speed reducer structure, it is characterized in that: described rotary disk one (2) central axis place is provided with the spline keyway one (4) being connected with shaft (12), in outer ring, be evenly equipped with some cycle holes that are connected with cylindrical roller (7) simultaneously, rotary disk two (9) central axis places are provided with the spline keyway two (10) being connected with shaft (12), are evenly equipped with some cycle holes that are connected with cylindrical roller (7) simultaneously in outer ring.
4. cam according to claim 3 connects rotating disk arc-shaped gear associating transmission speed reducer structure, it is characterized in that: described arc-shaped rack is individual layer arc-shaped rack (1), which is provided with some individual layer arc-shaped gears, described cylindrical roller is individual layer cylindrical roller (6).
5. cam according to claim 3 connects rotating disk arc-shaped gear associating transmission speed reducer structure, it is characterized in that: described arc-shaped rack is double-deck arc-shaped rack (20), which is provided with some double-deck arc-shaped gears, described cylindrical roller is double-deck cylindrical roller (16), double-deck cylindrical roller (16) is comprised of floral axis (18) and roll sleeve (19), and both pass through spline fitted.
6. cam according to claim 5 connects rotating disk arc-shaped gear associating transmission speed reducer structure, it is characterized in that: on described rotary disk one (2) and rotary disk two (9), have inner ring hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274202.0U CN203856999U (en) | 2014-05-27 | 2014-05-27 | Cam connected rotary disc and arc tooth linkage transmission reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274202.0U CN203856999U (en) | 2014-05-27 | 2014-05-27 | Cam connected rotary disc and arc tooth linkage transmission reduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856999U true CN203856999U (en) | 2014-10-01 |
Family
ID=51606850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274202.0U Expired - Fee Related CN203856999U (en) | 2014-05-27 | 2014-05-27 | Cam connected rotary disc and arc tooth linkage transmission reduction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856999U (en) |
-
2014
- 2014-05-27 CN CN201420274202.0U patent/CN203856999U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141001 Termination date: 20160527 |