CN211314986U - RV reduction gear input disc - Google Patents
RV reduction gear input disc Download PDFInfo
- Publication number
- CN211314986U CN211314986U CN201921610149.6U CN201921610149U CN211314986U CN 211314986 U CN211314986 U CN 211314986U CN 201921610149 U CN201921610149 U CN 201921610149U CN 211314986 U CN211314986 U CN 211314986U
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- input
- ball bearing
- angular contact
- input dish
- contact ball
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Abstract
The utility model discloses a RV reduction gear input dish, RV reduction gear input dish includes input dish body, angular contact ball bearing inner circle and angular contact ball bearing outer lane, a serial communication port, input dish body and the direct integrated into one piece of angular contact ball bearing inner circle, be equipped with the raceway on the surface of input dish body, be equipped with a plurality of rollable steel ball on the raceway, angular contact ball bearing outer lane can contact with each steel ball respectively, be equipped with three group's connecting holes on the input dish body, every group connecting hole is including two screws and a cotter hole that are triangular distribution, the input dish body is connected with the input dish cooperation through three group's connecting holes. The utility model discloses the installation requires lowly, stable in structure, and the installation effectiveness is high, and precision and reliability are high to reduced input dish and angular contact ball bearing size, consequently, reduced RV reduction gear's structural dimension and weight greatly, improved reduction gear transmission efficiency, energy loss is few, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to an input dish, concretely relates to RV reduction gear input dish.
Background
The RV reducer is composed of a cycloidal pin wheel and a planet support, and is widely applied to the fields of industrial robots and the like due to the advantages of small size, strong impact resistance, large torque, high positioning precision, small vibration, large reduction ratio and the like. It has high fatigue strength, rigidity and service life, and stable return difference precision.
The input disc is one of the main components of the RV reducer, and its structure is important and complex, and the input disc are coupled to each other as a single body for outputting motion or power.
The input disc generally comprises an input disc body, a bearing inner ring and a bearing outer ring, and in the prior art, the bearing inner ring and the input disc are independently separated, so that the assembly efficiency is low, errors are easy to occur, and the precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem to a RV reduction gear input dish is provided.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a RV reduction gear input dish, RV reduction gear input dish includes input dish body, angular contact ball bearing inner circle and angular contact ball bearing outer lane, its characterized in that, direct integrated into one piece of input dish body and angular contact ball bearing inner circle, be equipped with the raceway on the surface of input dish body, be equipped with the steel ball that a plurality of can be rolling on the raceway, angular contact ball bearing outer lane can contact with each steel ball respectively, be equipped with three group's connecting holes on the input dish body, every group connecting hole is including two screws and a dowel hole that are triangular distribution, the input dish body is connected with the input dish cooperation through three group's connecting holes.
In a preferred embodiment of the present invention, the input disc body and the inner ring of the angular contact ball bearing are integrally formed by a forging process.
In a preferred embodiment of the present invention, a central hole is formed in the central position of the input disc body, and the central hole is connected with the input gear shaft in a matching manner.
In a preferred embodiment of the present invention, the input disc body is provided with three mounting holes, and the three mounting holes are respectively connected with the eccentric shaft in a matching manner.
The utility model has the advantages that:
the utility model discloses the installation requires lowly, stable in structure, and the installation effectiveness is high, and precision and reliability are high to reduced input dish and angular contact ball bearing size, consequently, reduced RV reduction gear's structural dimension and weight greatly, improved reduction gear transmission efficiency, energy loss is few, energy-concerving and environment-protective.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an installation schematic diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1 and 2, the utility model provides a RV reduction gear input disc, it includes input disc body 100, angular contact ball bearing inner circle and angular contact ball bearing outer lane 200.
The inner ring of the angular contact ball bearing and the input disc body 100 are directly and integrally formed by a forging process, so that the assembly times can be reduced and the assembly precision can be improved.
The outer surface of the input disc body 100 is provided with a raceway, the raceway is provided with a plurality of rollable steel balls 500, and the outer ring 200 of the angular contact ball bearing can be respectively contacted with the steel balls 500.
Since the inner ring of the angular contact ball bearing is integrally formed with the input disc body 100, the raceway is provided on the outer ring of the input disc body 100 in place of the inner ring raceway in the present application.
The input disc body 100 and the angular contact ball bearing outer ring 200 can be installed in the pin gear case 300 after being assembled.
A central hole 110 is formed in the central position of the input disc body 100, and the central hole 110 corresponds to the central hole of the output disc and is connected with an input gear shaft 111 in a matching manner.
In addition, the central hole 110 and the input gear shaft 111 are connected through a deep groove ball bearing 112, and the position of the bearing is limited through a retainer ring, so that the stability can be greatly improved.
Further, a retainer groove is provided in the center hole 110, which can further improve stability.
Three mounting holes 120 are formed in the input disc body 100, the three mounting holes 120 are distributed in a 120-degree direction, and the mounting holes 120 are used for being matched and connected with an eccentric shaft 121.
A tapered roller bearing 122 and a retainer ring are arranged on each mounting hole 120, the mounting holes 120 and the eccentric shaft 121 are connected through the tapered roller bearings 122, and the position of the tapered roller bearings 122 is limited through the retainer ring, so that the stability can be greatly improved.
In addition, a retainer groove is also provided in each mounting hole 120, which can further improve stability.
Three groups of connecting holes are formed in the input disc body 100, each group of connecting holes comprises two screw holes 130 and one pin hole 140 which are distributed in a triangular mode, each group of screw holes 130 and the pin holes 140 are matched with the corresponding holes in the output disc, and therefore the input disc and the output disc are detachably and fixedly connected through screws and pins 141.
In addition, can be equipped with the cell body of three indent on the contact surface of input dish body 100 and output dish, every group connecting hole correspondence is located a cell body, only needs to set up three and the cell body corresponds complex lug on the output dish like this, and when the input dish is connected with the output dish, can fix a position through cell body and lug cooperation earlier, then can dismantle fixed connection through screw and pin, has so both improved assembly efficiency, has improved the fastness again.
Moreover, a plurality of wavy stripes can be arranged on the inner side surface of each groove body, so that the friction force between the groove bodies and the convex blocks can be enhanced, and the stability is further improved.
The first circular ring groove 150 and the second circular ring groove 160 are further arranged on the contact surface of the input disc body 100 and the output disc, the center of each pin hole 140 is located on the first circular ring groove 150, and the center of each screw hole 130 is located on the second circular ring groove 160, so that the hole opening efficiency and accuracy of the screw holes 130 and the pin holes 140 are improved, and the strength of the input disc body 100 is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a RV reduction gear input dish, RV reduction gear input dish includes input dish body, angular contact ball bearing inner circle and angular contact ball bearing outer lane, its characterized in that, direct integrated into one piece of input dish body and angular contact ball bearing inner circle, be equipped with the raceway on the surface of input dish body, be equipped with the steel ball that a plurality of can be rolling on the raceway, angular contact ball bearing outer lane can contact with each steel ball respectively, be equipped with three group's connecting holes on the input dish body, every group connecting hole is including two screws and a dowel hole that are triangular distribution, the input dish body is connected with the input dish cooperation through three group's connecting holes.
2. The RV reducer input disc of claim 1, wherein the input disc body and angular contact ball bearing inner ring are integrally formed by a forging process.
3. The RV reducer input disc of claim 1, wherein said input disc body has a central hole at its center, said central hole being engaged with an input gear shaft.
4. The RV reducer input disc of claim 1, wherein said input disc body has three mounting holes, and said three mounting holes are respectively connected with the eccentric shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610149.6U CN211314986U (en) | 2019-09-26 | 2019-09-26 | RV reduction gear input disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610149.6U CN211314986U (en) | 2019-09-26 | 2019-09-26 | RV reduction gear input disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314986U true CN211314986U (en) | 2020-08-21 |
Family
ID=72053038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921610149.6U Active CN211314986U (en) | 2019-09-26 | 2019-09-26 | RV reduction gear input disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314986U (en) |
-
2019
- 2019-09-26 CN CN201921610149.6U patent/CN211314986U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |