CN217558929U - Harmonic reducer with overload protection function - Google Patents
Harmonic reducer with overload protection function Download PDFInfo
- Publication number
- CN217558929U CN217558929U CN202221864865.9U CN202221864865U CN217558929U CN 217558929 U CN217558929 U CN 217558929U CN 202221864865 U CN202221864865 U CN 202221864865U CN 217558929 U CN217558929 U CN 217558929U
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- groove
- center pin
- overload protection
- recess
- protection function
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a harmonic speed reducer ware field discloses a harmonic speed reducer ware with overload protection function, including the rigid wheel, rigid wheel internal diameter meshing is connected with the flexbile gear, flexbile gear internal diameter swing joint has wave generator, the front end middle part fixedly connected with center pin of wave generator, the front end middle part of center pin is provided with the embedded groove, the inside swing joint of embedded groove has the embedding axle, the external diameter a week of embedding axle evenly is provided with a plurality of recess, the equal sliding connection in inside of recess has the fixture block, the inner wall and the corresponding position department of recess of embedded groove all are provided with the draw-in groove. The utility model discloses in, through the first cambered surface of the second cambered surface cooperation fixture block of draw-in groove, when making the main shaft stop suddenly, the center pin can continue to rotate, when realizing buffer function, makes the center pin slow down gradually and finally stops to the meshing transmission process of protection flexbile gear reduces the deflection, improves life.
Description
Technical Field
The utility model relates to a harmonic speed reducer ware field especially relates to a harmonic speed reducer ware with overload protection function.
Background
The harmonic reducer is mainly composed of four basic components of a wave generator, a flexible gear, a flexible bearing and a rigid gear, and is a gear transmission which is characterized in that the flexible bearing is assembled on the wave generator to enable the flexible gear to generate controllable elastic deformation and is meshed with the rigid gear to transmit motion and power.
When the harmonic reducer is used, if the motor is stopped suddenly, the opening end of the flexible wheel can be seriously deformed, the deformation not only influences the meshing of the external teeth at the opening end of the cylinder and the internal teeth of the rigid wheel, but also easily damages the flexible wheel due to excessive deformation and influences the service life of the device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the harmonic speed reducer ware that has overload protection function that proposes.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a harmonic speed reducer ware with overload protection function, includes the rigid wheel, rigid wheel internal diameter meshing is connected with the flexbile gear, flexbile gear internal diameter swing joint has wave generator, the front end middle part fixedly connected with center pin of wave generator, the front end middle part of center pin is provided with the embedded groove, the inside swing joint of embedded groove has the embedding axle, the external diameter a week of embedding axle evenly is provided with a plurality of recess, the equal sliding connection in inside of recess has the fixture block, the inner wall of embedded groove all is provided with the draw-in groove with the corresponding position department of recess.
As a further description of the above technical solution:
and a main shaft mounting hole is formed in the middle of the front end of the embedded shaft.
As a further description of the above technical solution:
the inner side ends of the clamping blocks are connected to the inner wall of the groove through return springs.
As a further description of the above technical solution:
and one side of the outer side end of each clamping block is provided with a first cambered surface.
As a further description of the above technical solution:
and one side of the inner side end of the clamping groove is provided with a second cambered surface.
The utility model discloses following beneficial effect has:
the utility model discloses in, when the motor spindle when sudden stop, the embedding axle stall immediately, and the center pin can not stall immediately under the inertia effect, but the first cambered surface of the second cambered surface cooperation fixture block through the draw-in groove, impress the fixture block in the recess, realize continuing to rotate, after rotating certain angle, receive reset spring's effort, the fixture block can block in the next draw-in groove, so on, when can realize buffer function, make the center pin slow down gradually and finally stop, thereby the meshing transmission process of protection flexbile gear, realize the overload protection ability, reduce the deflection, and the service life is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a harmonic reducer with an overload protection function according to the present invention;
fig. 2 is a cross-sectional view of a central shaft of a harmonic reducer with an overload protection function according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Illustration of the drawings:
1. a rigid wheel; 2. a flexible gear; 3. a wave generator; 4. a central shaft; 5. embedding the groove; 6. an embedded shaft; 7. a main shaft mounting hole; 8. a groove; 9. a clamping block; 10. a return spring; 11. a card slot; 12. a first arc surface; 13. a second cambered surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a harmonic speed reducer ware with overload protection function, including rigid wheel 1, 1 internal diameter meshing of rigid wheel is connected with flexbile gear 2, 2 internal diameter swing joint of flexbile gear has wave generator 3, harmonic speed reducer ware's basic component part, wave generator 3's front end middle part fixedly connected with center pin 4, center pin 4's front end middle part is provided with embedded groove 5, the inside swing joint of embedded groove 5 has embedding axle 6, embedding axle 6 can be at free rotation in embedded groove 5, the external diameter a week of embedding axle 6 evenly is provided with a plurality of recess 8, the equal sliding connection in inside of recess 8 has fixture block 9, the inner wall of embedded groove 5 all is provided with draw-in groove 11 with the corresponding position department of recess 8, when motor spindle rotates, can drive embedding axle 6 and rotate, get draw-in groove 11 on the cooperation center pin 4 through fixture block 9 on the embedding axle 6, realize center pin 4's rotation, thereby drive wave generator 3 and rotate.
In this embodiment, a spindle mounting hole 7 is formed in the middle of the front end of the embedded shaft 6, so that a motor spindle is conveniently connected, the inner side ends of the fixture blocks 9 are all connected to the inner walls of the grooves 8 through the reset springs 10, first arc surfaces 12 are arranged on one sides of the outer side ends of the fixture blocks 9, and second arc surfaces 13 are arranged on one sides of the inner side ends of the clamping grooves 11, when the motor spindle is suddenly stopped, the embedded shaft 6 stops rotating immediately, the central shaft 4 cannot stop rotating immediately under the inertia effect, but the second arc surfaces 13 of the clamping grooves 11 are matched with the first arc surfaces 12 of the fixture blocks 9, the fixture blocks 9 are pressed into the grooves 8, so that the continuous rotation is realized, after the fixture blocks 9 rotate by a certain angle, and are clamped into the next clamping grooves 11 under the action of the reset springs 10, and by analogy, when the buffer function is realized, the central shaft 4 is gradually decelerated and finally stopped.
The working principle is as follows: insert the motor spindle through main shaft mounting hole 7, when the motor spindle rotates, can drive embedding axle 6 and rotate, get draw-in groove 11 on the cooperation center pin 4 through fixture block 9 on the embedding axle 6, realize the rotation of center pin 4, thereby drive wave generator 3 and rotate, when the motor spindle stops suddenly, embedding axle 6 stops rotating immediately, and center pin 4 can not stop rotating immediately under the inertial action, but the first cambered surface 12 of second cambered surface 13 cooperation fixture block 9 through draw-in groove 11, impress fixture block 9 in recess 8, realize continuing to rotate, after rotating certain angle, receive reset spring 10's effort, fixture block 9 can block in next draw-in groove 11, analogize so, can realize the buffer function while, make center pin 4 slow down gradually and finally stop, thereby protect the meshing transmission process of flexbile gear 2, reduce the deflection, and prolong service life.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a harmonic speed reducer ware with overload protection function, includes rigid wheel (1), its characterized in that: rigid wheel (1) internal diameter meshing is connected with flexbile gear (2), flexbile gear (2) internal diameter swing joint has wave generator (3), front end middle part fixedly connected with center pin (4) of wave generator (3), the front end middle part of center pin (4) is provided with embedded groove (5), the inside swing joint of embedded groove (5) has embedding axle (6), the external diameter a week of embedding axle (6) evenly is provided with a plurality of recess (8), the equal sliding connection in inside of recess (8) has fixture block (9), the inner wall of embedded groove (5) all is provided with draw-in groove (11) with recess (8) corresponding position department.
2. A harmonic reducer with an overload protection function according to claim 1, wherein: and a main shaft mounting hole (7) is formed in the middle of the front end of the embedded shaft (6).
3. A harmonic reducer having an overload protection function according to claim 1, wherein: the inner side ends of the clamping blocks (9) are connected to the inner wall of the groove (8) through return springs (10).
4. A harmonic reducer having an overload protection function according to claim 1, wherein: and one side of the outer side end of the clamping block (9) is provided with a first cambered surface (12).
5. A harmonic reducer having an overload protection function according to claim 1, wherein: and a second cambered surface (13) is arranged on one side of the inner side end of the clamping groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221864865.9U CN217558929U (en) | 2022-07-20 | 2022-07-20 | Harmonic reducer with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221864865.9U CN217558929U (en) | 2022-07-20 | 2022-07-20 | Harmonic reducer with overload protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217558929U true CN217558929U (en) | 2022-10-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221864865.9U Active CN217558929U (en) | 2022-07-20 | 2022-07-20 | Harmonic reducer with overload protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217558929U (en) |
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2022
- 2022-07-20 CN CN202221864865.9U patent/CN217558929U/en active Active
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