CN211423283U - Rotary harmonic gear reducer - Google Patents
Rotary harmonic gear reducer Download PDFInfo
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- CN211423283U CN211423283U CN201922139220.3U CN201922139220U CN211423283U CN 211423283 U CN211423283 U CN 211423283U CN 201922139220 U CN201922139220 U CN 201922139220U CN 211423283 U CN211423283 U CN 211423283U
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- gear
- harmonic gear
- harmonic
- generator
- slewing bearing
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Abstract
A rotary harmonic gear reducer comprises an internal tooth type slewing bearing (1), a harmonic gear and a slewing bracket (8), wherein the internal tooth type slewing bearing (1) is composed of an outer ring (1-2), an inner gear ring (1-1), a steel ball and a spacer block, wherein the steel ball and the spacer block are embedded between the outer ring (1-2) and the inner gear ring (1-1); the harmonic gear comprises a harmonic gear fixed flexible gear (2) and a harmonic gear generator; the inner tooth type slewing bearing (1) and the slewing bracket (8) are sleeved on the fixed flexible gear (2) of the harmonic gear, the inner tooth type slewing bearing (1) is meshed with the outer teeth of the fixed flexible gear (2) of the harmonic gear through an inner gear ring (1-1), and the slewing bracket (8) is fixedly connected with an outer ring (1-2) of the inner tooth type slewing bearing (1). The speed reducer is high in transmission efficiency and stable in transmission.
Description
Technical Field
The utility model belongs to the technical field of the engineering machine tool, specificly relate to a reduction gear, more specifically relate to a rotation harmonic gear reduction gear.
Background
The rotary speed reducer is a transmission part commonly used in the field of engineering machinery such as a wood grabbing machine, a multifunctional vehicle and the like, the conventional rotary speed reducer basically adopts a worm and gear structure, and a part of force is shunted due to a lead angle formed by the worm and gear, so that the transmission efficiency is low because all the force is not effectively output. And in the continuous spiral operation process of worm gear, calorific capacity is great, if not timely radiating, can arouse that the oil temperature in the box rises, the lubrication is inefficacy, finally aggravates the teeth of a cogwheel wearing and tearing, and then leads to reduction gear transmission unstable, produces the noise.
Disclosure of Invention
An object of the utility model is to provide a rotation harmonic gear reduction gear, this reduction gear transmission efficiency is high, the transmission is stable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotary harmonic gear reducer comprises an internal tooth type slewing bearing and a slewing bracket, wherein the internal tooth type slewing bearing consists of an outer ring, an inner gear ring, a steel ball and an isolation block, wherein the steel ball and the isolation block are embedded between the outer ring and the inner gear ring; the rotary harmonic gear reducer also comprises a harmonic gear, and the harmonic gear comprises a harmonic gear fixed flexible gear and a harmonic gear generator; the inner tooth type slewing bearing and the slewing bracket are sleeved on the fixed flexible gear of the harmonic gear, the inner tooth type slewing bearing is meshed with the outer teeth of the fixed flexible gear of the harmonic gear through an inner gear ring of the inner tooth type slewing bearing, and the slewing bracket is fixedly connected with the outer ring of the inner tooth type slewing bearing.
The harmonic gear generator is composed of a harmonic gear generator rotating wheel, a harmonic gear generator rotating wheel cover plate, a harmonic gear generator vertical shaft, a harmonic gear generator transverse shaft, a harmonic gear generator rotating shaft and a harmonic gear generator bearing. One end of the rotating shaft of the harmonic gear generator is connected with the fixed flexible gear of the harmonic gear through a bearing of the harmonic gear generator, and a transverse shaft of the harmonic gear generator penetrates through a through hole at the other end of the rotating shaft of the harmonic gear generator to form fixed connection. The harmonic gear fixed flexible gear is connected with the harmonic gear generator rotating shaft through a harmonic gear generator bearing. The vertical shaft of the harmonic gear generator is a stepped shaft, one end of the vertical shaft is fixed at two ends of the transverse shaft of the harmonic gear generator through screws, and the other end of the vertical shaft is fixedly connected with the rotating wheel of the harmonic gear generator through a rotating wheel cover plate of the harmonic gear generator and screws.
Compared with the prior art, the utility model discloses a fixed flexbile gear external tooth of harmonic gear of reduction gear is more with the number of teeth of slewing bearing's ring gear simultaneous meshing, and flank of tooth wearing and tearing are little than the turbine worm structure, and the transmission is steady, the noise is low.
Because the utility model discloses a power of speed reducer is passed through the fixed flexbile gear external tooth of harmonic gear and is outwards exported with slewing bearing's ring gear effect, does not produce the component, and the loss is few, therefore transmission efficiency is high.
Drawings
FIG. 1 is a sectional view of a rotary harmonic gear reducer of the present invention;
FIG. 2 is a schematic diagram of the manner in which a harmonic gear meshes with an inner race of the internal tooth type slewing bearing in FIG. 1;
wherein: 1. an internal tooth type slewing bearing; 2. the harmonic gear fixes the flexible gear; 3. a harmonic gear generator wheel; 4. a harmonic gear generator runner cover plate; 5. a harmonic gear generator vertical shaft; 6. a harmonic gear generator cross shaft; 7. a harmonic gear generator shaft; 8. a rotating support; 9. a harmonic gear generator bearing; 1-1, an inner gear ring; 1-2 and an outer ring.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a rotary harmonic gear reducer comprises an internal tooth type slewing bearing 1, a harmonic gear and a slewing bracket 8, wherein the internal tooth type slewing bearing 1 consists of an outer ring 1-2, an inner gear ring 1-1, and a steel ball and a spacer block which are embedded between the outer ring 1-2 and the inner gear ring 1-1; the harmonic gear comprises a harmonic gear fixed flexible gear 2 and a harmonic gear generator; the inner tooth type slewing bearing 1 and the slewing bracket 8 are sleeved on the fixed flexible gear 2 of the harmonic gear, the inner tooth type slewing bearing 1 is meshed with the outer teeth of the fixed flexible gear 2 of the harmonic gear through an inner gear ring 1-1 of the inner tooth type slewing bearing, and the slewing bracket 8 is connected with an outer ring 1-1 of the inner tooth type slewing bearing 1 through a screw.
The harmonic gear generator comprises a harmonic gear fixing flexible gear 2, a harmonic gear generator rotating wheel 3, a harmonic gear generator rotating wheel cover plate 4, a harmonic gear generator vertical shaft 5, a harmonic gear generator transverse shaft 6, a harmonic gear generator rotating shaft 7 and a harmonic gear generator bearing 9. One end of the harmonic gear generator rotating shaft 7 is connected with the harmonic gear fixed flexible gear 2 through a harmonic gear generator bearing 9. The other end of the harmonic gear generator rotating shaft 7 is provided with a through hole, and the harmonic gear generator cross shaft 6 penetrates through the through hole to be fixedly connected with the harmonic gear generator rotating shaft 7. One end of the vertical shaft 5 of the harmonic gear generator is fixed at the two ends of the horizontal shaft 6 of the harmonic gear generator through screws. When rotation reduction gear used under the general condition, the slewing bearing terminal surface faced, played the supporting role, consequently the utility model discloses a harmonic gear generator runner 3 among the rotation harmonic gear reduction gear can lean on self gravity to install at the 5 other ends of harmonic gear generator vertical axis, but when the transform direction of use, harmonic gear generator runner 3 can be because with harmonic gear generator vertical axis 5 between produce axial slip, lead to droing. In order to make the rotary-type harmonic gear reducer unlimited in the direction of use, as shown in fig. 1, the harmonic gear generator wheel 3 is fixed to the other end of the harmonic gear generator vertical shaft 5 by means of a harmonic gear generator wheel cover plate 4 and screws.
The number of teeth of the external teeth of the fixed flexible gear 2 of the harmonic gear is less than that of the teeth of the internal teeth type slewing bearing 1, namely 1-1 of the internal teeth type slewing bearing, and the modulus of the fixed flexible gear and the modulus of the internal teeth type slewing bearing are the same.
When the harmonic gear generator works, the motor drives the rotating shaft 7 of the harmonic gear generator, the rotating shaft 7 of the harmonic gear generator drives the transverse shaft 6 of the harmonic gear generator, the vertical shaft 5 of the harmonic gear generator is driven to generate harmonic motion, the fixed flexible gear 2 of the harmonic gear is tangent to the rotating wheel 3 of the harmonic gear generator, and the external teeth of the fixed flexible gear 2 of the harmonic gear are meshed with the internal gear ring 1-1 of the internal gear type slewing bearing 1. Along with the continuous rotation of the harmonic gear generator, the meshing position of the harmonic gear fixed flexible gear 2 and the internal tooth type slewing bearing 1 is continuously changed, the number of teeth of the external teeth of the harmonic gear fixed flexible gear 2 is set to be smaller than the number of teeth of the internal gear 1-1 of the internal tooth type slewing bearing 1 by the harmonic gear, and when the rotating shaft 7 of the harmonic gear generator rotates for one circle, the actual rotation amount of the internal gear 1-1 of the internal tooth type slewing bearing 1 is the distance of the tooth difference amount of the harmonic gear fixed flexible gear 2, so that the speed reduction effect is realized.
Claims (3)
1. The utility model provides a rotation harmonic gear reduction unit, includes interior tooth-like slewing bearing (1), slewing bracket (8), and interior tooth-like slewing bearing (1) comprises outer lane (1-2), ring gear (1-1) and steel ball and the spacing block of embedding between outer lane (1-2) and ring gear (1-1), its characterized in that: the rotary harmonic gear reducer also comprises a harmonic gear, wherein the harmonic gear comprises a harmonic gear fixed flexible gear (2) and a harmonic gear generator; the inner tooth type slewing bearing (1) and the slewing bracket (8) are sleeved on the fixed flexible gear (2) of the harmonic gear, the inner tooth type slewing bearing (1) is meshed with the outer teeth of the fixed flexible gear (2) of the harmonic gear through an inner gear ring (1-1), and the slewing bracket (8) is fixedly connected with an outer ring (1-2) of the inner tooth type slewing bearing (1).
2. A rotary harmonic gear reducer as in claim 1 wherein: the harmonic gear generator comprises a harmonic gear generator rotating wheel (3), a harmonic gear generator rotating wheel cover plate (4), a harmonic gear generator vertical shaft (5), a harmonic gear generator transverse shaft (6), a harmonic gear generator rotating shaft (7) and a harmonic gear generator bearing (9); one end of the harmonic gear generator rotating shaft (7) is connected with the harmonic gear fixed flexible gear (2) through a harmonic gear generator bearing (9), a through hole is formed in the other end of the harmonic gear generator rotating shaft (7), and a harmonic gear generator transverse shaft (6) penetrates through the through hole to be fixedly connected with the harmonic gear generator rotating shaft (7); the harmonic gear generator vertical shaft (5) is a stepped shaft, one end of the harmonic gear generator vertical shaft is fixed at two ends of a harmonic gear generator transverse shaft (6) through screws, and the other end of the harmonic gear generator vertical shaft is fixedly connected with a harmonic gear generator rotating wheel (3) through a harmonic gear generator rotating wheel cover plate (4) and screws.
3. A rotary harmonic gear reducer as in claim 1 or 2 wherein: the number of teeth of the external teeth of the fixed flexible gear (2) of the harmonic gear is less than that of the teeth of the internal gear (1) of the internal gear slewing bearing (1), and the modulus of the fixed flexible gear and the modulus of the internal gear are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139220.3U CN211423283U (en) | 2019-12-03 | 2019-12-03 | Rotary harmonic gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139220.3U CN211423283U (en) | 2019-12-03 | 2019-12-03 | Rotary harmonic gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423283U true CN211423283U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922139220.3U Active CN211423283U (en) | 2019-12-03 | 2019-12-03 | Rotary harmonic gear reducer |
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| Country | Link |
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| CN (1) | CN211423283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112936A (en) * | 2020-09-15 | 2020-12-22 | 马鞍山市方正机械制造有限责任公司 | Self-driven slewing bearing |
-
2019
- 2019-12-03 CN CN201922139220.3U patent/CN211423283U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112936A (en) * | 2020-09-15 | 2020-12-22 | 马鞍山市方正机械制造有限责任公司 | Self-driven slewing bearing |
| CN112112936B (en) * | 2020-09-15 | 2021-08-31 | 马鞍山市方正机械制造有限责任公司 | Self-driven slewing bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xuzhou PENGYUAN Forging Co.,Ltd. Assignor: XUZHOU FENGHE SLEWING BEARING CO.,LTD. Contract record no.: X2021980016505 Denomination of utility model: Rotary harmonic gear reducer Granted publication date: 20200904 License type: Exclusive License Record date: 20220107 |
|
| EE01 | Entry into force of recordation of patent licensing contract |