CN216530755U - Rotor connecting shaft structure for mounting encoder - Google Patents
Rotor connecting shaft structure for mounting encoder Download PDFInfo
- Publication number
- CN216530755U CN216530755U CN202122507843.9U CN202122507843U CN216530755U CN 216530755 U CN216530755 U CN 216530755U CN 202122507843 U CN202122507843 U CN 202122507843U CN 216530755 U CN216530755 U CN 216530755U
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- rotor
- connecting shaft
- mounting
- encoder
- outer tongue
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Abstract
The utility model relates to a rotor connecting shaft structure for mounting an encoder, which comprises a motor rotor rotating shaft and a rotor connecting shaft which are mounted together through a fixing device, wherein the rotor connecting shaft is fixedly mounted at the tail end of the motor rotor rotating shaft. The rotor connecting shaft structure for mounting the encoder further comprises an outer tongue locking washer, the fixing device is a plurality of full-thread bolts, and the outer tongue locking washer is located between the motor rotor connecting shaft and the full-thread bolts. The rotor connecting shaft and the rotor main shaft are simply connected, the connection can be realized only through the high-strength full-thread bolt and the outer tongue locking washer, and the influence on the overall structure of the rotor can be avoided. The rotor connecting shaft has a simple structure, and the rotor connecting shaft in the structure can be machined by turning, milling and drilling only one section of round steel. And after the rotor spindle is installed with the rotor spindle, the appearance looks compact, looks neat and beautiful and avoids a complex installation structure.
Description
Technical Field
The utility model relates to a rotor connecting shaft structure, in particular to a rotor connecting shaft structure for mounting an encoder, which has the advantages of simple structure, convenience in processing, convenience and practicability.
Background
The traditional rotating speed measuring mode of large and medium-sized motors is poor in anti-interference performance, low in resolution, single in acquired data and inconvenient to install, and the speed measuring requirement of the brushless doubly-fed speed regulating motor cannot be met. When the encoder is adopted to solve the problems, the large and medium-sized motor of the encoder is too small and precise. Particularly, the encoder needs to be directly installed on the rotor for normal use, and improper installation can also influence the measurement of the rotating speed of the motor. When the installation position is simply machined at the tail end of the rotor spindle, the radial machining amount is extremely large, and time and materials are wasted.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the main object of the present invention is to provide a rotor spindle structure for mounting an encoder, which has a simple structure, is convenient to process, and is convenient and practical.
The utility model solves the technical problems through the following technical scheme: a rotor spindle structure for mounting an encoder, the rotor spindle structure for mounting an encoder comprising: the motor rotor rotating shaft and the rotor connecting shaft are installed together through a fixing device, and the rotor connecting shaft is fixedly installed at the tail end of the motor rotor rotating shaft.
In an embodiment of the present invention, the rotor spindle structure for mounting the encoder further includes an outer tongue stop washer, the fixing device is a plurality of full-thread bolts, and the outer tongue stop washer is located between the rotor spindle of the motor and the full-thread bolts.
In a specific embodiment of the utility model, the rotor spindle comprises a spindle flange, a spindle boss and a spindle body; the connecting shaft flange is provided with a plurality of screw holes which are distributed on a concentric circle.
In the embodiment of the utility model, the spindle flange, the spindle boss and the spindle body are integrally formed.
In the embodiment of the utility model, 3-6 full-thread bolts are uniformly distributed on a concentric circle on the connecting shaft flange.
In a specific embodiment of the utility model, the outer tongue stop washer has a diameter greater than the diameter of the screw hole.
In the concrete implementation example of the utility model, a stop blind hole reserved for the outer tongue stop washer is arranged at a position near the screw hole, and the outer tongue stop washer is provided with a notch matched with the stop blind hole.
The positive progress effects of the utility model are as follows: the rotor connecting shaft structure for mounting the encoder is simple in connection with a rotor main shaft, connection can be achieved only through the high-strength full-thread bolt and the outer tongue locking washer, and the whole structure of the rotor can be prevented from being affected.
The rotor connecting shaft has a simple structure, and the rotor connecting shaft in the structure can be machined, milled and drilled by only using a section of round steel. And after the rotor spindle is installed with the rotor spindle, the appearance looks compact, looks neat and beautiful and avoids a complex installation structure.
The rotor connecting shaft and the rotor are finished together, so that the radial runout value of the rotor connecting shaft is far lower than the technical requirement, and the harsh working condition requirement of the encoder is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2-1 is a front view of the rotor spindle of the present invention.
Fig. 2-2 is a right side view of fig. 2-1.
FIG. 3-1 is a schematic view of the installation process of a full threaded bolt and an outer tongue stop washer.
Fig. 3-2 is a top view of fig. 3-1.
The following are the names corresponding to the reference numbers in the utility model:
the motor rotor comprises a motor rotor rotating shaft 1, an outer tongue stop washer 2, a full-thread bolt 3 and a rotor connecting shaft 4; a connecting shaft flange 401, a connecting shaft boss 402 and a connecting shaft body 403; screw hole 4011, stop blind hole 4012, breach 201.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic view of an overall structure of the present invention, fig. 2-1 is a front view of a rotor spindle according to the present invention, and fig. 2-2 is a right view of fig. 2-1, as shown in the above-mentioned figures, the present invention provides a rotor spindle structure for mounting an encoder, the rotor spindle structure for mounting an encoder comprising: the motor rotor rotating shaft 1 and the rotor connecting shaft 4 are installed together through a fixing device, and the rotor connecting shaft 4 is fixedly installed at the tail end of the motor rotor rotating shaft 1.
The utility model also comprises an outer tongue stop washer 2, the fixing device is a plurality of full thread bolts 3, and the outer tongue stop washer 2 is positioned between the motor rotor connecting shaft 4 and the full thread bolts 3.
The rotor connecting shaft 4 comprises a connecting shaft flange 401, a connecting shaft boss 402 and a connecting shaft body 403; the connecting shaft flange 401 is provided with a plurality of screw holes which are distributed on a concentric circle.
The connecting shaft flange 401, the connecting shaft boss 402 and the connecting shaft body 403 are integrally formed.
The number of the full-thread bolts 3 is 3-6, and the full-thread bolts are uniformly distributed on a concentric circle on the connecting shaft flange 401.
The diameter of the outer tongue stop washer 2 is larger than the diameter of the screw hole 4011. A stop blind hole 4012 reserved for the outer tongue stop washer 2 is arranged in the position close to the screw hole 4011, and a notch 201 matched with the stop blind hole 4012 is arranged on the outer tongue stop washer 2.
The rotor spiale is shaped as shown in fig. 2-1, and a stop blind hole 4012 is reserved for the outer tongue stop washer 2 at a proper position around the installation unthreaded hole. Before the high-strength full-thread bolt 3 is installed, an outer tongue stop washer 2 is additionally arranged. Before the high-strength full-thread bolt 3 is screwed, the outer tongue stop washer 2 is aligned to the stop blind hole 4012 reserved on the rotor spindle 4, and then the high-strength full-thread bolt 3 is screwed. After the high-strength full-thread bolt 3 is screwed, one end of the outer tongue locking washer 2 is pried on one side of the hexagon head of the high-strength full-thread bolt 3, the pried edge (the position A in 3-1 and 3-2 in the figure) of the outer tongue locking washer 2 is hammered down and is enabled to be close to the edge nearby the hexagon head of the high-strength full-thread bolt 3 (see the figure 3-1 and the figure 3-2). And finally, finish machining the installed rotor connecting shaft 4 and the motor rotor rotating shaft 1 together.
The rotor connecting shaft and the rotor main shaft are simply connected, the connection can be realized only through the high-strength full-thread bolt and the outer tongue locking washer, and the influence on the overall structure of the rotor can be avoided.
The rotor connecting shaft has a simple structure, and the rotor connecting shaft in the structure can be machined, milled and drilled by only using a section of round steel. And after the rotor spindle is installed with the rotor spindle, the appearance looks compact, looks neat and beautiful and avoids a complex installation structure.
The rotor connecting shaft and the rotor are finished together, so that the radial runout value of the rotor connecting shaft is far lower than the technical requirement, and the harsh working condition requirement of the encoder is ensured.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims and their equivalents.
Claims (7)
1. A rotor hub structure for installing an encoder, characterized in that: the rotor spindle structure for mounting the encoder includes: the motor rotor rotating shaft and the rotor connecting shaft are installed together through a fixing device, and the rotor connecting shaft is fixedly installed at the tail end of the motor rotor rotating shaft.
2. The rotor spindle structure for mounting an encoder according to claim 1, wherein: the rotor connecting shaft structure for mounting the encoder further comprises an outer tongue locking washer, the fixing device is a plurality of full-thread bolts, and the outer tongue locking washer is located between the motor rotor connecting shaft and the full-thread bolts.
3. The rotor spindle structure for mounting an encoder according to claim 2, wherein: the rotor connecting shaft comprises a connecting shaft flange, a connecting shaft boss and a connecting shaft body; the connecting shaft flange is provided with a plurality of screw holes which are distributed on a concentric circle.
4. The rotor spindle structure for mounting an encoder according to claim 3, wherein: the connecting shaft flange, the connecting shaft boss and the connecting shaft body are integrally formed.
5. The rotor spindle structure for mounting an encoder according to claim 4, wherein: the number of the full-thread bolts is 3-6, and the full-thread bolts are uniformly distributed on a concentric circle on the connecting shaft flange.
6. The rotor spindle structure for mounting an encoder according to claim 2, wherein: the diameter of the outer tongue stop washer is larger than the diameter of the screw hole.
7. The rotor spindle structure for mounting an encoder according to claim 3, wherein: and a stop blind hole reserved for the outer tongue stop washer is arranged near the screw hole, and a notch matched with the stop blind hole is arranged on the outer tongue stop washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122507843.9U CN216530755U (en) | 2021-10-19 | 2021-10-19 | Rotor connecting shaft structure for mounting encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122507843.9U CN216530755U (en) | 2021-10-19 | 2021-10-19 | Rotor connecting shaft structure for mounting encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530755U true CN216530755U (en) | 2022-05-13 |
Family
ID=81522297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122507843.9U Active CN216530755U (en) | 2021-10-19 | 2021-10-19 | Rotor connecting shaft structure for mounting encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530755U (en) |
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2021
- 2021-10-19 CN CN202122507843.9U patent/CN216530755U/en active Active
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