CN218733479U - Rotor mounting structure - Google Patents
Rotor mounting structure Download PDFInfo
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- CN218733479U CN218733479U CN202222918225.8U CN202222918225U CN218733479U CN 218733479 U CN218733479 U CN 218733479U CN 202222918225 U CN202222918225 U CN 202222918225U CN 218733479 U CN218733479 U CN 218733479U
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- rotor
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Abstract
The application relates to a rotor mounting structure, which comprises a rotor shaft and a rotor pressed on the rotor shaft, wherein the rotor is divided into a plurality of rotor modules, each rotor module comprises a rotor core and a plurality of magnetic steels circumferentially arranged on the rotor core, and two ends of the rotor core are sleeved with rotor sleeves; and a connecting part for keeping circumferential angle synchronization is arranged between the adjacent rotor modules. The rotor is cut apart into a plurality of rotor module in this application, has effectively reduced the length of single rotor module, has avoided causing the resistance in the pressure equipment process too big because of rotor module length overlength to it is more convenient to make the pressure equipment of every rotor module enter into the rotor shaft.
Description
Technical Field
The application relates to the technical field of motor parts, in particular to a rotor mounting structure.
Background
A deep well pump is a pump that is immersed in an underground water well to pump and transport water.
The deep-well pump includes the pump body and connects the motor on the pump body, and the motor includes the motor casing, sets up stator and the rotor structure in the motor casing, and the rotor structure includes the rotor shaft and sets up the rotor on the rotor shaft, and wherein, the length of rotor can reach 160mm the longest.
In view of the above-mentioned related technologies, the inventor finds that the rotor is usually pressed and inserted into the rotor shaft, when the rotor is too long, the resistance of the rotor to be inserted into the rotor shaft is too large during the pressing of the rotor, and the rotor is easily bent and is not easily pressed into the rotor shaft, which results in lower production efficiency of the rotor installation, so that there is a certain improvement.
SUMMERY OF THE UTILITY MODEL
In order to improve the production efficiency of rotor installation, this application provides a rotor mounting structure.
The application provides a rotor mounting structure adopts following technical scheme:
a rotor mounting structure comprises a rotor shaft and a rotor pressed on the rotor shaft, wherein the rotor is divided into a plurality of rotor modules, each rotor module comprises a rotor core and a plurality of magnetic steels circumferentially arranged on the rotor core, and two ends of the rotor core are sleeved with rotor sleeves;
and a connecting part for keeping circumferential angle synchronization is arranged between the adjacent rotor modules.
Optionally, the number of the connecting parts is two, and the two connecting parts are symmetrically arranged along the central axis of the rotor module.
Optionally, the connecting portion includes a connecting pin, and the connecting pin is inserted between the adjacent rotor modules.
Optionally, a connecting hole penetrates through a rotor core of the rotor module along the axial direction of the rotor core, and the connecting pin is inserted into the connecting hole of the adjacent rotor core.
Optionally, the rotor shaft is provided with dynamic balance plates at two ends of the rotor respectively, the dynamic balance plates are provided with dynamic balance holes, and the connecting portion is further connected to the dynamic balance plates.
Optionally, the rotor shaft is provided with a limiting convex edge for limiting the axial movement of the rotor on the rotor shaft.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rotor is divided into the plurality of rotor modules, so that the length of a single rotor module is effectively reduced, and overlarge resistance in the press fitting process caused by overlong length of the rotor module is avoided, and the press fitting of each rotor module is more convenient to enter the rotor shaft;
2. a connecting part for keeping circumferential angle synchronization is arranged between adjacent rotor modules, so that the integrity of the rotor is ensured;
3. the stability of rotor shaft rotation has been improved through the setting of dynamic balance board.
Drawings
Fig. 1 is a schematic structural view of a rotor and a rotor shaft in the present embodiment.
Fig. 2 is a schematic structural diagram of the rotor module in the present embodiment.
Fig. 3 is a sectional view of the rotor in the present embodiment.
Description of reference numerals: 1. a rotor shaft; 2. a rotor; 21. a rotor module; 211. a rotor core; 212. magnetic steel; 213. a rotor housing; 3. a limiting convex edge; 4. a connecting portion; 5. connecting holes; 6. a dynamic balance plate; 7. and (4) dynamic balance holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
A rotor mounting structure, refer to fig. 1, includes rotor shaft 1 and rotor 2 press-fitted on rotor shaft 1, rotor 2 is divided into a plurality of rotor modules 21 in this application, and rotor modules 21 are press-fitted into rotor shaft 1 in turn to form rotor 2.
As will be illustrated by way of example below, the length of the rotor 2 is 160mm, the rotor 2 is divided into five rotor modules 21, and the lengths of each rotor module 21 are 20mm, 30mm, 45mm and 45mm, so that by reducing the length of a single rotor module 21, the problem of excessive resistance in the press-fitting process due to the overlong length of the rotor module 21 is avoided, and the press-fitting of each rotor module 21 onto the rotor shaft 1 is facilitated. It should be noted that the length of each section of the rotor module 21 and the number of the rotor modules 21 that the rotor 2 can be divided into may be determined according to the length of the rotor 2, and the embodiment is not particularly limited.
Referring to fig. 2 and 3, a limiting convex edge 3 is arranged on the rotor shaft 1, after the first rotor module 21 is press-fitted on the rotor shaft 1 and abuts against the limiting convex edge 3, the subsequent rotor modules 21 are sequentially press-fitted to form the rotor 2, and the limiting convex edge 3 is used for limiting the axial movement of the rotor 2 on the rotor shaft 1.
Referring to fig. 2, the rotor module 21 includes a rotor core 211, a plurality of magnetic steels 212 and a rotor sleeve 213, the rotor core 211 is formed by stacking a plurality of iron core laminations, the plurality of magnetic steels 212 are circumferentially disposed on the rotor core 211, and the two ends of the rotor core 211 are sleeved with the rotor sleeve 213, the rotor sleeve 213 and the corresponding magnetic steel 212 are sleeved, so as to fix the magnetic steel 212 on the rotor core 211.
Wherein, a connecting part 4 for keeping circumferential angle synchronization is arranged between adjacent rotor modules 21. Connecting portion 4 includes connecting pin, and connecting pin wears to establish between adjacent rotor module 21, and is concrete, and it has connecting hole 5 to run through along its axial direction on rotor core 211 of rotor module 21, and connecting pin pegs graft and is adjacent in rotor core 211's connecting hole 5.
In this embodiment, the number of the connecting portions 4 is two, and the two connecting portions 4 are symmetrically arranged along the central axis of the rotor module 21.
Referring to fig. 1, the rotor shaft 1 is provided with dynamic balance plates 6 respectively pressed at two ends of the rotor 2, dynamic balance holes 7 are formed in the dynamic balance plates 6, and the connecting portion 4 is further connected to the dynamic balance plates 6. The dynamic balance plate 6 is used for providing dynamic balance for the rotation of the rotor shaft 1, and when the rotor shaft 1 is subjected to dynamic balance test, the number and the positions of the dynamic balance holes 7 can be arranged on the dynamic balance plate 6 according to actual needs.
The implementation principle of the rotor mounting structure in the embodiment of the application is as follows:
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. A rotor mounting structure comprises a rotor shaft (1) and a rotor (2) pressed on the rotor shaft (1), and is characterized in that the rotor (2) is divided into a plurality of rotor modules (21), each rotor module (21) comprises a rotor core (211) and a plurality of magnetic steels (212) circumferentially arranged on the rotor core (211), and two ends of each rotor core (211) are sleeved with rotor sleeves (213);
and a connecting part (4) for keeping circumferential angle synchronization is arranged between the adjacent rotor modules (21).
2. A rotor mounting structure according to claim 1, wherein the number of the connecting portions (4) is two, and the two connecting portions (4) are symmetrically arranged along the central axis of the rotor module (21).
3. A rotor mounting structure according to claim 1, wherein the connecting portion (4) comprises a connecting pin, which is inserted between adjacent rotor modules (21).
4. A rotor mounting structure according to claim 3, wherein a connecting hole (5) is formed through the rotor core (211) of the rotor module (21) in the axial direction thereof, and the connecting pin is inserted into the connecting hole (5) of the adjacent rotor core (211).
5. The rotor mounting structure according to claim 1, wherein the rotor shaft (1) is provided with dynamic balance plates (6) at two ends of the rotor (2) respectively, the dynamic balance plates (6) are provided with dynamic balance holes (7), and the connecting portion (4) is further connected to the dynamic balance plates (6).
6. A rotor mounting structure according to claim 1, characterized in that the rotor shaft (1) is provided with a limit ledge (3) for limiting the axial movement of the rotor (2) on the rotor shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222918225.8U CN218733479U (en) | 2022-10-31 | 2022-10-31 | Rotor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222918225.8U CN218733479U (en) | 2022-10-31 | 2022-10-31 | Rotor mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733479U true CN218733479U (en) | 2023-03-24 |
Family
ID=85599759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222918225.8U Active CN218733479U (en) | 2022-10-31 | 2022-10-31 | Rotor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733479U (en) |
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2022
- 2022-10-31 CN CN202222918225.8U patent/CN218733479U/en active Active
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