CN204099543U - Based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth - Google Patents
Based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth Download PDFInfo
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- CN204099543U CN204099543U CN201420567803.0U CN201420567803U CN204099543U CN 204099543 U CN204099543 U CN 204099543U CN 201420567803 U CN201420567803 U CN 201420567803U CN 204099543 U CN204099543 U CN 204099543U
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Abstract
Based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, relate to gear.Be provided with main body and the gear teeth, the driving side of the gear teeth has large tooth-shape angle and transverse tooth thickness angle, and described large tooth-shape angle is 23 ~ 37 °, and described transverse tooth thickness angle is 12 ~ 27 °, and the non-drive side of the gear teeth has little tooth-shape angle and little transverse tooth thickness angle; Main body driving side and non-drive side share the top circle of a same diameter and the gear ring of same diameter.For the gear drive based on single-direction transmission such as vehicle, in order to improve the performance of circular-arc bevel gear, large tooth-shape angle and transverse tooth thickness angle is adopted in drive surface, little tooth-shape angle and little transverse tooth thickness angle is adopted in non-driving face, both the bearing capacity of driving direction gear had been increased, turn avoid topping, can effectively improve circular-arc bevel gear bearing capacity, fatigue life and output torque, and reduce vibrations and noise.
Description
Technical field
The utility model relates to gear, particularly relates to a kind of circular-arc bevel gear based on dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth.
Background technique
Circular-arc bevel gear is compared with helical bevel gear with straight-tooth, have that contact ratio is large, the Relative radius of curvature of the point of contact place flank of tooth is large, curved face contact region is easy to control, to advantages such as error are not too responsive, in the transmission of intersection axis and staggered axis, be widely used.Along with the development trend of gear transmission middle/high speed heavy-load, traditional circular-arc bevel gear has been difficult to the requirement meeting equipment.Especially in system of vehicle transmission parts, more and more higher to the requirement of circular-arc bevel gear output torque.
Summary of the invention
The purpose of this utility model is to provide a kind of circular-arc bevel gear based on dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth.
The utility model is provided with main body and the gear teeth, the driving side of the gear teeth has large tooth-shape angle and transverse tooth thickness angle, described large tooth-shape angle is 23 ~ 37 °, described transverse tooth thickness angle is 12 ~ 27 °, and the non-drive side of the gear teeth has little tooth-shape angle (conventional tooth form angle) and little transverse tooth thickness angle (conventional transverse tooth thickness angle); Main body driving side and non-drive side share the top circle of a same diameter and the gear ring of same diameter.
At circular-arc bevel gear small end and the large end of gear, uniform in order to load after load, axial modification is carried out to circular-arc bevel gear driving side.
The utility model is for the gear drive based on single-direction transmission such as vehicle, in order to improve the performance of circular-arc bevel gear, a kind of novel bevel gear is proposed---the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, this gear adopts large tooth-shape angle and transverse tooth thickness angle in drive surface, little tooth-shape angle and little transverse tooth thickness angle is adopted in non-driving face, both the bearing capacity of driving direction gear had been increased, turn avoid topping, circular-arc bevel gear bearing capacity, fatigue life and output torque be can effectively improve, and vibrations and noise reduced.
Accompanying drawing explanation
Fig. 1 is the structure composition schematic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, the utility model embodiment is provided with main body 1 and the gear teeth, the driving side 2 of the gear teeth has large tooth-shape angle and transverse tooth thickness angle, described large tooth-shape angle is 23 ~ 37 °, described transverse tooth thickness angle is 12 ~ 27 °, and the non-drive side 3 of the gear teeth has little tooth-shape angle (conventional tooth form angle) and little transverse tooth thickness angle (conventional transverse tooth thickness angle); Main body 1 driving side 2 and non-drive side 3 share the top circle 4 of a same diameter and the gear ring 7 of same diameter.
At circular-arc bevel gear small end 6 and the large end 5 of gear, uniform in order to load after load, axial modification is carried out to circular-arc bevel gear driving side 2.
Based on dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth circular-arc bevel gear due to the tooth-shape angle of both sides different, thickening in cross section, tooth root place, driving side and non-drive side transverse tooth thickness, tooth top fillet, Fillet etc. there occurs change.
According to the designing requirement of the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, select suitable modulus m, number of teeth z, facewidth B, helixangleβ, crossed axis angle Σ, driving side tooth-shape angle α
d, non-drive side tooth-shape angle α
c, the parameter such as modification coefficient x, then calculate each parameter according to conversion relation, determine the position relationship between the circular-arc bevel gear driving side of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth and non-drive side flank profil.
According to the designing requirement of the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, gear parameter shown in option table 1, calculate each parameter according to conversion relation, determine the position relationship between the circular-arc bevel gear driving side 2 of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth and non-drive side 3 flank profil.
Table 1 is based on the circular-arc bevel gear parameter of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth
As stated above, setting up driving side tooth-shape angle is 30 °, tooth-shape angle coefficient be the circular-arc bevel gear body 1 of 1.085 as shown in Figure 1, gear 1 has the circular-arc bevel gear driving side 2 based on dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, based on the circular-arc bevel gear non-drive side 3 of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, based on the circular-arc bevel gear tooth top 4 of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, based on the large end 5 of circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, based on the circular-arc bevel gear small end 6 of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, based on the circular-arc bevel gear gear ring 7 of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth.
Claims (1)
1. based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth, it is characterized in that being provided with main body and the gear teeth, the driving side of the gear teeth has large tooth-shape angle and transverse tooth thickness angle, described large tooth-shape angle is 23 ~ 37 °, described transverse tooth thickness angle is 12 ~ 27 °, and the non-drive side of the gear teeth has little tooth-shape angle and little transverse tooth thickness angle; Main body driving side and non-drive side share the top circle of a same diameter and the gear ring of same diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567803.0U CN204099543U (en) | 2014-09-29 | 2014-09-29 | Based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567803.0U CN204099543U (en) | 2014-09-29 | 2014-09-29 | Based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth |
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| Publication Number | Publication Date |
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| CN204099543U true CN204099543U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420567803.0U Active CN204099543U (en) | 2014-09-29 | 2014-09-29 | Based on the circular-arc bevel gear of dissimilar tooth form angle and transverse tooth thickness corner-kick face profile of tooth |
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| CN (1) | CN204099543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434220A (en) * | 2019-01-10 | 2019-03-08 | 姚显民 | A kind of arc bevel gear machining method |
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2014
- 2014-09-29 CN CN201420567803.0U patent/CN204099543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434220A (en) * | 2019-01-10 | 2019-03-08 | 姚显民 | A kind of arc bevel gear machining method |
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