CN213017517U - Novel high-precision planetary reducer output transmission structure - Google Patents
Novel high-precision planetary reducer output transmission structure Download PDFInfo
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- CN213017517U CN213017517U CN202020600507.1U CN202020600507U CN213017517U CN 213017517 U CN213017517 U CN 213017517U CN 202020600507 U CN202020600507 U CN 202020600507U CN 213017517 U CN213017517 U CN 213017517U
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Abstract
The utility model relates to a speed reducer technical field, concretely relates to novel high-accuracy planetary reducer exports transmission structure, including ring gear and output flange, be equipped with input flange installation cavity and internal gear on the ring gear, be equipped with first output bearing installation cavity, second output bearing installation cavity, location portion on the output flange, be equipped with the through-hole on location portion, location portion longitudinal section becomes the rectangle, and the ring gear other end that corresponds is equipped with the rectangle that supplies location portion smooth cooperation block to lead to the groove, and the rectangle leads to groove and input flange installation cavity intercommunication. The utility model has the advantages that: compare in traditional structure, because the location portion that has used the rectangle leads to the groove block with the rectangle, solved the ring gear at least to a certain extent with the output flange between the too big problem that leads to the connecting piece damage of moment of torsion, simultaneously, under the condition of guaranteeing output flange polytype, not only guaranteed the stability and the security of transmission, but also improved the transmission moment of torsion greatly to realize the optimization of the whole transmission performance of speed reducer.
Description
Technical Field
The utility model relates to a speed reducer technical field, concretely relates to novel high-accuracy planetary reducer exports transmission structure.
Background
When the planetary reducer is applied, the input flange and the output flange are respectively provided with the motor and fixed on the rack at the application end. The torque is input through the motor shaft, the sun wheel drives the planet wheel, the planet wheel drives the inner gear ring, and the inner gear ring and the input flange output flange are fixed, so that the planet wheel is subjected to reaction force, the planet wheel rotates on the output shaft connecting piece, and the output shaft rotates by force. Therefore, the input end and the output end of the internal gear ring are both key structures of bearing capacity.
The existing planetary reducer mainly has two structures to realize the above parts, wherein the planetary reducer is integrated, an inner gear ring and an output flange are integrally designed, and the output flange is connected with the inner gear ring by using a connecting bolt.
The integral solution has the defects that the integral processing cost is too high, and the diversity of output end flanges cannot be realized;
for bolt connection, the defects are that 1, the threaded hole requires the diameter of the inner gear ring and the output flange to be larger, which is not beneficial to installation; 2. the bolt connection is easy to loosen in high vibration occasions, so that the speed reducer fails; and 3, the bearing capacity of the speed reducer is combined, the bearing capacity of the bolt is limited, and the performance of the speed reducer is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a novel high-precision planetary reducer output transmission structure, it can realize solving prior art's problem to a certain extent at least.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
the utility model provides a novel high-accuracy planetary reducer exports transmission structure, includes ring gear and output flange, ring gear axial one is served and is equipped with input flange installation cavity and internal gear, output flange serves and is equipped with first output bearing installation cavity, second output bearing installation cavity in proper order, and its other end is equipped with the location portion that extends to its axial outside, be equipped with the through-hole with first output bearing installation cavity and second output bearing installation cavity intercommunication on the location portion, location portion longitudinal section becomes the rectangle, corresponds the ring gear other end is equipped with the rectangle that supplies location portion sliding fit block and leads to the groove, the rectangle leads to groove and input flange installation cavity intercommunication.
As a further optimization of the above technical solution, a circular arc section is provided at a corner of the positioning portion.
As a further optimization of the above technical solution, the diameter of the arc segment is consistent with the side length of the positioning portion.
As a further optimization of the technical scheme, a plurality of screw mounting holes communicated with the input flange mounting cavity are formed in the circumferential surface of the inner gear ring along the axial direction of the inner gear ring in an array mode.
As a further optimization of the technical scheme, a plurality of threaded holes are formed in the end face of the output flange.
The utility model has the advantages that: compare in traditional structure, because the location portion that has used the rectangle leads to the groove block with the rectangle, solved the ring gear at least to a certain extent with the output flange between the too big problem that leads to the connecting piece damage of moment of torsion, simultaneously, under the condition of guaranteeing output flange polytype, not only guaranteed the stability and the security of transmission, but also improved the transmission moment of torsion greatly to realize the optimization of the whole transmission performance of speed reducer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded perspective view of the structure;
FIG. 3 is a schematic side view of a three-dimensional structure;
FIG. 4 is an exploded perspective view of the structure;
the reference numerals are explained below:
1-internal gear, 2-input flange installation cavity, 3-rectangular through groove, 4-internal gear ring, 5-through hole, 6-first output bearing installation cavity, 7-second output bearing installation cavity, 8-arc section, 9-positioning part and 10-output flange.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, fig. 1-4 show a novel high-precision planetary reducer output transmission structure, which includes an inner gear ring 4 and an output flange 10, wherein one axial end of the inner gear ring 4 is provided with an input flange mounting cavity 2 and an inner gear 1, one end of the output flange 10 is sequentially provided with a first output bearing mounting cavity 6 and a second output bearing mounting cavity 7, the other end of the output flange is provided with a positioning portion 9 extending to the axial outer side of the output flange, the positioning portion 9 is provided with a through hole 5 communicated with the first output bearing mounting cavity 6 and the second output bearing mounting cavity 7, the longitudinal section of the positioning portion 9 is rectangular, the other corresponding end of the inner gear ring 4 is provided with a rectangular through groove 3 for slidably engaging and clamping the positioning portion 9, and the rectangular through groove 3 is communicated with the input flange mounting.
The corner of the positioning part 9 is provided with an arc section 8, the diameter of the arc section 8 is consistent with the side length of the positioning part 9, and the stress concentration phenomenon of the positioning part 8 and the rectangular through groove 3 is reduced.
The peripheral surface of the inner gear ring 4 is provided with a plurality of screw mounting holes communicated with the input flange mounting cavity 2 along the axial array, the external input flange is mounted in the input flange mounting cavity 2, and the external input flange is fastened and connected with the inner gear ring 4 by screws.
The end face of the output flange 10 is provided with a plurality of threaded holes, and the output flange 10 is connected with an external power mechanism through screws.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A novel high-precision planetary reducer output transmission structure is characterized by comprising an inner gear ring (4) and an output flange (10), an input flange mounting cavity (2) and an inner gear (1) are arranged at one axial end of the inner gear ring (4), a first output bearing mounting cavity (6) and a second output bearing mounting cavity (7) are sequentially arranged at one end of the output flange (10), the other end of the bearing is provided with a positioning part (9) extending towards the axial outer side of the bearing, the positioning part (9) is provided with a through hole communicated with the first output bearing installation cavity (6) and the second output bearing installation cavity (7), the longitudinal section of the positioning part (9) is rectangular, the other end of the corresponding inner gear ring (4) is provided with a rectangular through groove (3) for the sliding fit and clamping of the positioning part (9), and the rectangular through groove (3) is communicated with the input flange installation cavity (2).
2. The novel high-precision planetary reducer output transmission structure as claimed in claim 1, wherein a circular arc section (8) is arranged at a corner of the positioning part (9).
3. The novel high-precision planetary reducer output transmission structure as claimed in claim 2, wherein the diameter of the circular arc section (8) is consistent with the side length of the positioning part (9).
4. The novel high-precision planetary reducer output transmission structure as claimed in claim 1, wherein the circumferential surface of the inner gear ring (4) is provided with a plurality of screw mounting holes communicated with the input flange mounting cavity (2) along the axial array thereof.
5. The novel high-precision planetary reducer output transmission structure as claimed in claim 1, wherein a plurality of threaded holes are formed in the end face of the output flange (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020600507.1U CN213017517U (en) | 2020-04-21 | 2020-04-21 | Novel high-precision planetary reducer output transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020600507.1U CN213017517U (en) | 2020-04-21 | 2020-04-21 | Novel high-precision planetary reducer output transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017517U true CN213017517U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020600507.1U Active CN213017517U (en) | 2020-04-21 | 2020-04-21 | Novel high-precision planetary reducer output transmission structure |
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| CN (1) | CN213017517U (en) |
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- 2020-04-21 CN CN202020600507.1U patent/CN213017517U/en active Active
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