CN204729582U - A kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer - Google Patents
A kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer Download PDFInfo
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- CN204729582U CN204729582U CN201520306327.1U CN201520306327U CN204729582U CN 204729582 U CN204729582 U CN 204729582U CN 201520306327 U CN201520306327 U CN 201520306327U CN 204729582 U CN204729582 U CN 204729582U
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- firm wheel
- center hole
- tooth
- gear teeth
- speed reducer
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Abstract
The utility model discloses a kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer, include firm wheel body in the form of annular discs, the axial direction that the core of firm wheel body offers along just taking turns body extends and the center hole run through completely, the rounded shape of center hole, the circumferential surface of center hole is provided with and extends and the gear teeth of circumferentially ring-type uniform intervals distribution along center hole axial direction; Firm wheel body is provided with the circular arc tooth root in arc-shaped between the root of adjacent two gear teeth, the flank of tooth of each gear teeth is respectively involute flank, each circular arc tooth root is tangent with the involute flank of both sides respectively, be respectively arranged with the transition circle cambered surface in arc-shaped between the tooth top of each gear teeth and involute flank, the involute flank of each transition circle cambered surface respectively with corresponding is tangent.Designed by said structure, the utility model has advantage reasonable in design and effectively can improve the meshing efficiency between flexbile gear, and the friction reduced when engaging with flexbile gear and the working life of raising harmonic speed reducer.
Description
Technical field
The utility model relates to harmonic speed reducer technical field, particularly relates to a kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer.
Background technique
Harmonic reducer of robot is simple by means of its structure, size is little, noise is little, velocity ratio is large, transmission accuracy is high and efficiency advantages of higher, and is widely used by the vitals as joint of robot.Since nineteen fifty-five U.S. C.W. Mai Saier has invented First harmonic speed reducer, whole world major industrial country has all carried out comprehensive research to it, and then prepare a lot of serial kind harmonic speed reducer different with Dimensions successively, wherein use the most extensive with involute fine module gear flank profil harmonic speed reducer.Wherein, harmonic speed reducer relies on above-mentioned advantage and is widely used in the rotation portion in the joint of robot, the wide spectrum such as revolving table, mechanism hand rotary part, precision rotary table, Medical Instruments, measurement instrument, IC manufacturing installation, aerospace appts, national defence equipment (such as guided missile, radar, rocket) of machining center, especially very general in the application of industrial robot field; For industrial robot, harmonic speed reducer can greatly reduce industrial robot size, reduce noise, raise the efficiency and precision.
But for existing harmonic speed reducer, its noise still obviously and also need working life to improve further.
Summary of the invention
The purpose of this utility model is to provide a kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer, this is applied to the reasonable in design and meshing efficiency that can effectively improve between flexbile gear of the firm wheel construction of S shape tooth of harmonic speed reducer, and the friction reduced when engaging with flexbile gear and the working life of raising harmonic speed reducer.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer, include firm wheel body in the form of annular discs, the axial direction that the core of firm wheel body offers along just taking turns body extends and the center hole run through completely, the rounded shape of center hole, the circumferential surface of center hole is provided with and extends and the gear teeth of circumferentially ring-type uniform intervals distribution along center hole axial direction;
Firm wheel body is provided with the circular arc tooth root in arc-shaped between the root of adjacent two gear teeth, the flank of tooth of each gear teeth is respectively involute flank, each circular arc tooth root is tangent with the involute flank of both sides respectively, be respectively arranged with the transition circle cambered surface in arc-shaped between the tooth top of each gear teeth and involute flank, the involute flank of each transition circle cambered surface respectively with corresponding is tangent.
Wherein, described firm wheel body offers the screw attachment holes of circumferentially ring-type uniform intervals distribution in the periphery of described center hole.
The beneficial effects of the utility model are: a kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer described in the utility model, include firm wheel body in the form of annular discs, the axial direction that the core of firm wheel body offers along just taking turns body extends and the center hole run through completely, the rounded shape of center hole, the circumferential surface of center hole is provided with and extends and the gear teeth of circumferentially ring-type uniform intervals distribution along center hole axial direction; Firm wheel body is provided with the circular arc tooth root in arc-shaped between the root of adjacent two gear teeth, the flank of tooth of each gear teeth is respectively involute flank, each circular arc tooth root is tangent with the involute flank of both sides respectively, be respectively arranged with the transition circle cambered surface in arc-shaped between the tooth top of each gear teeth and involute flank, the involute flank of each transition circle cambered surface respectively with corresponding is tangent.Designed by said structure, the utility model has advantage reasonable in design and effectively can improve the meshing efficiency between flexbile gear, and the friction reduced when engaging with flexbile gear and the working life of raising harmonic speed reducer.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is flexbile gear and the structural representation of just taking turns when engaging.
Include in fig. 1 and 2:
1---just wheel body 2---center hole
3---gear teeth 4---circular arc tooth root
5---involute flank 6---tooth top
7---transition circle cambered surface 8---screw attachment holes
9---flexbile gear 100---oil groove.
Embodiment
Below in conjunction with concrete mode of execution, the utility model is described.
As depicted in figs. 1 and 2, a kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer, include firm wheel body 1 in the form of annular discs, the axial direction that the core of firm wheel body 1 offers along just taking turns body 1 extends and the center hole 2 run through completely, the rounded shape of center hole 2, the circumferential surface of center hole 2 is provided with and extends and the gear teeth 3 of circumferentially ring-type uniform intervals distribution along center hole 2 axial direction.
Further, firm wheel body 1 is provided with the circular arc tooth root 4 in arc-shaped between the root of adjacent two gear teeth 3, the flank of tooth of each gear teeth 3 is respectively involute flank 5, each circular arc tooth root 4 is tangent with the involute flank 5 of both sides respectively, be respectively arranged with the transition circle cambered surface 7 in arc-shaped between the tooth top 6 of each gear teeth 3 and involute flank 5, the involute flank 5 of each transition circle cambered surface 7 respectively with corresponding is tangent.
In addition, for convenience of just taking turns body 1 assembly connection, firm wheel body 1 of the present utility model offers the screw attachment holes 8 of circumferentially ring-type uniform intervals distribution in the periphery of center hole 2; Wherein, screw attachment holes 8 matches with corresponding locking nut.
Need point out further, to engage with flexbile gear 9 at the utility model and form (as shown in Figure 2) in the process of a harmonic speed reducer, between the circular arc tooth root 4 of firm wheel body 1 and the tooth top of flexbile gear 9 and just taken turns between the tooth top 6 of body 1 and the tooth root of flexbile gear and form an oil groove 100 respectively, this oil groove 100 is convenient to hold harmonic wave lubricant oil or harmonic wave lubricating grease, reduces and rubs with the lubrication effect improved just between wheel with flexbile gear 9, generates heat and noise.
In addition, circular arc tooth root 4 and transition circle cambered surface 7 are respectively in arc-shaped, and the gear teeth 3 of this shape and structure design effectively can be avoided occurring that root is cut and pushed up when just wheel engages with flexbile gear 9 and cut phenomenon.
Comprehensive above-mentioned situation is known, is designed by said structure, and the utility model has advantage reasonable in design and effectively can improve the meshing efficiency between flexbile gear 9, and the friction reduced when engaging with flexbile gear 9 and improve working life of harmonic speed reducer.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (2)
1. one kind is applied to the firm wheel construction of S shape tooth of harmonic speed reducer, it is characterized in that: include firm wheel body (1) in the form of annular discs, the axial direction that the core of firm wheel body (1) offers along just taking turns body (1) extends and the center hole (2) run through completely, center hole (2) rounded shape, the circumferential surface of center hole (2) is provided with and extends and the gear teeth (3) of circumferentially ring-type uniform intervals distribution along center hole (2) axial direction;
Firm wheel body (1) is provided with the circular arc tooth root (4) in arc-shaped between the root of adjacent two gear teeth (3), the flank of tooth of each gear teeth (3) is respectively involute flank (5), each circular arc tooth root (4) is tangent with the involute flank (5) of both sides respectively, be respectively arranged with the transition circle cambered surface (7) in arc-shaped between the tooth top (6) of each gear teeth (3) and involute flank (5), the involute flank (5) of each transition circle cambered surface (7) respectively with corresponding is tangent.
2. a kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer according to claim 1, is characterized in that: described firm wheel body (1) offers the screw attachment holes (8) of circumferentially ring-type uniform intervals distribution in the periphery of described center hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520306327.1U CN204729582U (en) | 2015-05-13 | 2015-05-13 | A kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520306327.1U CN204729582U (en) | 2015-05-13 | 2015-05-13 | A kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729582U true CN204729582U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520306327.1U Ceased CN204729582U (en) | 2015-05-13 | 2015-05-13 | A kind of firm wheel construction of S shape tooth being applied to harmonic speed reducer |
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| Country | Link |
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| CN (1) | CN204729582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533715A (en) * | 2018-06-28 | 2018-09-14 | 西安交通大学 | A kind of two-way conjugate tooth profile design method for Harmonic Gears |
-
2015
- 2015-05-13 CN CN201520306327.1U patent/CN204729582U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533715A (en) * | 2018-06-28 | 2018-09-14 | 西安交通大学 | A kind of two-way conjugate tooth profile design method for Harmonic Gears |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zou Zancheng Inventor before: Zou Zancheng Inventor before: Ma Xinquan |
|
| COR | Change of bibliographic data | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20200730 Decision number of declaring invalidation: 45438 Granted publication date: 20151028 |