CN204267660U - duplex driven gear - Google Patents
duplex driven gear Download PDFInfo
- Publication number
- CN204267660U CN204267660U CN201420641548.XU CN201420641548U CN204267660U CN 204267660 U CN204267660 U CN 204267660U CN 201420641548 U CN201420641548 U CN 201420641548U CN 204267660 U CN204267660 U CN 204267660U
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- CN
- China
- Prior art keywords
- gear
- teeth
- envelope face
- arc envelope
- duplex driven
- 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
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Abstract
The utility model discloses a kind of duplex driven gear, comprise gear, one end of gear is provided with driving gear, the other end is provided with engaging gear, all gear teeth of engaging gear are equipped with towards one end of driving gear the arc envelope face I formed by circular arc chamfering, and all gear teeth of described driving gear are all set to crowned teeth.By arranging the arc envelope face I be made up of circular arc chamfering on the gear teeth of engaging gear, when engage a gear operates, even if arc envelope face I and other tooth-shape structures are touched, also the effect of a tangential force can be produced, make other tooth-shape structures along the smooth-going slip in arc envelope face I, and then ensure engage a gear smooth operation, therefore, gearbox engaging sleeve of the present utility model has steady and that engage a gear is smooth-going advantage of sliding; By the gear teeth of driving gear are set to crowned teeth, it has the advantage that bearing capacity is strong, angular displacement compensation rate is large, noise is little and transmission efficiency is high, can centre distance error in effective compensation gear transmission.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, is specifically related to a kind of duplex driven gear.
Background technique
Existing duplex driven gear generally comprises the cylindrical gears being arranged on gear two ends.Although this duplex driven gear can meet usage requirement to a certain extent, but, when being used in the transmission systems such as gearbox, often require that duplex driven gear has good engage a gear meshing performance and stable transmission performance, and the requirement of bearing capacity is also higher, existing duplicate gear cannot meet usage requirement.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of duplex driven gear, not only have good engage a gear engagement capability, and its bearing capacity is higher, can effective compensation centre distance error, reduces noise.
For achieving the above object, the utility model provides following technological scheme:
A kind of duplex driven gear, comprise gear, one end of described gear is provided with driving gear, the other end is provided with engaging gear, all gear teeth of described engaging gear are equipped with towards one end of described driving gear the arc envelope face I formed by circular arc chamfering, and all gear teeth of described driving gear are all set to crowned teeth.
Further, the external diameter in described arc envelope face I reduces gradually along the radially outer direction of described gear.
Further, seamlessly transit between described arc envelope face I with the two side of the corresponding described gear teeth.
Further, the symmetrical line in described arc envelope face I is in the oblique line tilted relative to described gear axis.
Further, the angle between the symmetrical line in described arc envelope face I and described gear axis is 80 °.
Further, in described arc envelope face I, the center of circle of all circular arcs is all positioned at on the straight line of the axes normal of described gear.
Further, the arc envelope face II of the two side of the gear teeth of described driving gear all for being made up of circular curve.
Further, the two side of the gear teeth of described driving gear is arranged axisymmetricly.
Further, on the standard pitch circle cross section of described driving gear, the maximum ga(u)ge of the gear teeth of described driving gear and the difference of minimum thickness are 0.03mm.
Further, in described arc envelope face II, the center of circle of all circular curves is all positioned on the straight line vertical with the axial space of described gear shaft body.
The beneficial effects of the utility model are:
Duplex driven gear of the present utility model, by arranging the arc envelope face I be made up of circular arc chamfering on the gear teeth of engaging gear, when engage a gear operates, even if arc envelope face I and other tooth-shape structures are touched, also can produce the effect of a tangential force, make other tooth-shape structures along the smooth-going slip in arc envelope face I, and then ensure engage a gear smooth operation, therefore, gearbox engaging sleeve of the present utility model has steady and that engage a gear is smooth-going advantage of sliding; By the gear teeth of driving gear are set to crowned teeth, it has the advantage that bearing capacity is strong, angular displacement compensation rate is large, noise is little and transmission efficiency is high, can centre distance error in effective compensation gear transmission.
Accompanying drawing explanation
In order to make the purpose of this utility model, technological scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model duplex driven gear embodiment;
Fig. 2 is the A detail drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 2;
Fig. 4 is the schematic cross-section of the gear teeth at standard pitch circle place of driving gear.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the utility model duplex driven gear embodiment.The duplex driven gear of the present embodiment, comprise gear 1, one end of described gear 1 is provided with driving gear 2, the other end is provided with engaging gear 3, all gear teeth of described engaging gear 3 are equipped with towards one end of described driving gear 2 the arc envelope face I 4 formed by circular arc chamfering, and all gear teeth of described driving gear 2 are all set to crowned teeth.The center of the present embodiment gear is provided with central through bore 6, gear 1 between driving gear 2 and engaging gear 3 is provided with smooth section 5, the length of smooth section 5 and the length ratio of gear 1 are 0.5-0.6, and the length of the smooth section 5 of the present embodiment and the length ratio of gear 1 are 0.55.
Further, the external diameter in arc envelope face I 4 reduces gradually along the radially outer direction of described gear 1, and seamlessly transits between arc envelope face I 4 with the two side of the corresponding described gear teeth, can avoid bite further.The symmetrical line in described arc envelope face I 4 is that the angle α between the symmetrical line in the arc envelope face I 4 of the present embodiment and described gear 1 axis is 80 ° relative to described gear 1 axis in the oblique line tilted.In arc envelope face I 4, the center of circle of all circular arcs is all positioned at on the straight line of the axes normal of described gear 1.
Further, the arc envelope face II 7 of two side all for being made up of circular curve of the gear teeth of driving gear 2, the two side of the gear teeth of driving gear 2 is arranged axisymmetricly, and on the standard pitch circle cross section of described driving gear 2, the maximum ga(u)ge of the gear teeth of described driving gear 2 and the difference a-b=0.03mm of minimum thickness, in arc envelope face II 7, the center of circle of all circular curves is all positioned on the straight line vertical with the axial space of described gear shaft body 1, the crowned teeth of this structure is adopted to have the large advantage of load capacity, and the wear condition of the gear teeth can be improved, reduce noise.
The duplex driven gear of the present embodiment, by arranging the arc envelope face I be made up of circular arc chamfering on the gear teeth of engaging gear, when engage a gear operates, even if arc envelope face I and other tooth-shape structures are touched, also can produce the effect of a tangential force, make other tooth-shape structures along the smooth-going slip in arc envelope face I, and then ensure engage a gear smooth operation, therefore, gearbox engaging sleeve of the present utility model has steady and that engage a gear is smooth-going advantage of sliding; By the gear teeth of driving gear are set to crowned teeth, it has the advantage that bearing capacity is strong, angular displacement compensation rate is large, noise is little and transmission efficiency is high, can centre distance error in effective compensation gear transmission.
The modulus m=3 of the driving gear of the present embodiment, tooth number Z=55, the modulus m=3 of engaging gear, tooth number Z=26, gear 1 is provided with the carburizing and quenching layer that the degree of depth is 0.7-1.0mm, can effectively strengthen surface strength and wear-resisting property.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. a duplex driven gear, it is characterized in that: comprise gear, one end of described gear is provided with driving gear, the other end is provided with engaging gear, all gear teeth of described engaging gear are equipped with towards one end of described driving gear the arc envelope face I formed by circular arc chamfering, and all gear teeth of described driving gear are all set to crowned teeth.
2. duplex driven gear according to claim 1, is characterized in that: the external diameter in described arc envelope face I reduces gradually along the radially outer direction of described gear.
3. duplex driven gear according to claim 2, is characterized in that: seamlessly transit between described arc envelope face I with the two side of the corresponding described gear teeth.
4. duplex driven gear according to claim 3, is characterized in that: the symmetrical line in described arc envelope face I is in the oblique line tilted relative to described gear axis.
5. duplex driven gear according to claim 4, is characterized in that: the angle between the symmetrical line in described arc envelope face I and described gear axis is 80 °.
6. duplex driven gear according to claim 1, is characterized in that: in described arc envelope face I, the center of circle of all circular arcs is all positioned at on the straight line of the axes normal of described gear.
7. the duplex driven gear according to any one of claim 1-6, is characterized in that: the arc envelope face II of two side all for being made up of circular curve of the gear teeth of described driving gear.
8. duplex driven gear according to claim 7, is characterized in that: the two side of the gear teeth of described driving gear is arranged axisymmetricly.
9. duplex driven gear according to claim 4, is characterized in that: on the standard pitch circle cross section of described driving gear, and the maximum ga(u)ge of the gear teeth of described driving gear and the difference of minimum thickness are 0.03mm.
10. duplex driven gear according to claim 7, is characterized in that: in described arc envelope face II, the center of circle of all circular curves is all positioned on the straight line vertical with the axial space of described gear shaft body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641548.XU CN204267660U (en) | 2014-10-31 | 2014-10-31 | duplex driven gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641548.XU CN204267660U (en) | 2014-10-31 | 2014-10-31 | duplex driven gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267660U true CN204267660U (en) | 2015-04-15 |
Family
ID=52802531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641548.XU Expired - Fee Related CN204267660U (en) | 2014-10-31 | 2014-10-31 | duplex driven gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812779A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox curved-tooth bevel gear wheel shaft |
| CN106812778A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox active bevel pinion shaft |
-
2014
- 2014-10-31 CN CN201420641548.XU patent/CN204267660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812779A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox curved-tooth bevel gear wheel shaft |
| CN106812778A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox active bevel pinion shaft |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20161031 |