Novel stator and rotor assembly
By introducing honeycomb-shaped weight-reducing grooves and silicone rubber elastic connectors into the stator and rotor assembly, combined with polyurethane foam energy-absorbing materials, the wear problem of the stator and rotor under vibration environment is solved, achieving improved seismic performance and lightweight design, extending equipment life and reducing manufacturing costs.
Patent Information
- Application Number
- CN202520346923.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Traditional stator and rotor structures are prone to wear in vibration environments, have limited shock resistance, and require complete replacement when partial damage occurs, leading to decreased efficiency and wasted resources.
The rotor base, which adopts a honeycomb-shaped weight-reducing groove design, is combined with silicone rubber elastic connectors and polyurethane foam energy-absorbing material. It is fixed through a pre-compression process to achieve elastic connection, reduce vibration energy and enhance stability.
It effectively reduces vibration energy by 40%, extends equipment life, reduces weight by 15%-20%, improves energy efficiency, reduces manufacturing costs, and ensures high-speed operation stability.
Smart Images
Figure CN223858978U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of stator and rotor, and relates to a stator and rotor, in particular to a novel stator and rotor assembly. BACKGROUND
[0002] Stator and rotor are the core components of motor and generator, and the two realize mutual conversion of electric energy and mechanical energy through electromagnetic interaction, the stator is the fixed part in the motor, usually containing winding or permanent magnet, for generating magnetic field, the rotor is the rotating part in the motor, generating torque or electromotive force through the interaction of magnetic field and stator. The integral stator and rotor structure design has the following defects: the traditional stator and rotor structure is prone to wear or deformation under vibration environment, resulting in the decline of motor efficiency, the prior art adopts rigid connection, but the anti-vibration effect is limited, and at the same time, when the rotor part is locally damaged or the corresponding connecting end is damaged, the whole rotor or even the whole stator and rotor needs to be scrapped. SUMMARY
[0003] The utility model discloses a novel stator and rotor assembly convenient for later maintenance and capable of improving anti-vibration performance to solve the above problems.
[0004] The utility model discloses a novel stator and rotor assembly, including stator main body, rotor main body and transmission shaft that is arranged in the rotor main body, its characterized in that, the rotor main body includes two opposite stator bases, the stator main body is installed between two rotor bases, the outer surface of the rotor base is equipped with the honeycomb lightening groove, and a plurality of matching protrusions extend in the axial direction, the two rotor bases are connected through the elastic connecting piece, the elastic connecting piece is made of silicone rubber, fills the energy-absorbing material in the inside, and is equipped with the buffer flange on the outer surface, the matching protrusion is arranged along the rotor base central axis circumferential interval, and the matching protrusions of two rotor bases are staggered, and the elastic connecting piece is fixed between the matching protrusions through the pre-pressing process.
[0005] The cross section of the matching protrusion is a sector, and the side end is provided with an arc-shaped groove matched with the adjacent matching protrusion.
[0006] The energy-absorbing material is polyurethane foam with a density of 80-120 kg / m³.
[0007] The honeycomb lightening unit is a regular hexagon, the side length is 3-5 mm, the adjacent unit spacing is 0.5-1 mm, and the depth is 1 / 3-1 / 2 of the thickness of the rotor base.
[0008] Compared with the prior art, the novel stator and rotor assembly has the following advantages:
[0009] 1、Elastic connecting piece and energy-absorbing material dual role, can reduce the vibration energy by more than 40%, prolong the service life of the equipment, at the same time, with the staggered design of the convex and arc groove limit, ensure that the elastic connecting piece does not loose in high speed operation, and the pre-press process parameters (such as pressure 5-10MPa, temperature 80-100℃) adapt to the existing production line, reduce the manufacturing cost;
[0010] 2、The rotor is lightened, and the honeycomb structure weight-reducing groove reduces the weight of the rotor by 15%-20%, and improves the energy efficiency ratio. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is the three-dimensional structure diagram of the novel stator and rotor assembly.
[0012] Figure 2 is the three-dimensional structure diagram of the rotor base and elastic connecting piece of the novel stator and rotor assembly.
[0013] In the figure, 1, rotor main body; 2, transmission shaft; 3, rotor base; 4, weight-reducing groove; 5, matching convex; 6, elastic connecting piece; 7, buffer flange; 8, arc-shaped groove. DETAILED DESCRIPTION
[0014] The following is a specific embodiment of the present application combined with the drawings, and the technical scheme of the present application is further described, but the present application is not limited to these embodiments.
[0015] For example, Figure 1 , Figure 2As shown, the novel stator-rotor assembly includes a stator body, a rotor body 1 and a transmission shaft 2 passing through the rotor body 1, the rotor body 1 includes two oppositely arranged rotor bases 3, the stator body is installed between the two rotor bases 3, the outer surface of the rotor base 3 is provided with a honeycomb lightening groove 4, the honeycomb lightening unit is a regular hexagon, the side length is 3-5mm, the distance between adjacent units is 0.5-1mm, the depth is 1 / 3-1 / 2 of the thickness of the rotor base 3, the stator-rotor lightweight design, the honeycomb structure lightening groove 4 reduces the weight of the rotor by 15%-20%, improves the energy efficiency ratio, and a plurality of matching protrusions 5 extend axially, the two rotor bases 3 are connected through an elastic connecting piece 6, the elastic connecting piece 6 is made of silicone rubber and filled with energy-absorbing material inside, the double action of the elastic connecting piece 6 and the energy-absorbing material can reduce the vibration energy by more than 40%, prolong the service life of the equipment, the outer surface is provided with a buffer flange 7, the matching protrusions 5 are arranged along the circumferential interval of the central axis of the rotor base 3, and the matching protrusions 5 of the two rotor bases 3 are staggered with each other, the staggered design of the matching protrusions 5 and the arc-shaped grooves 8 limit, ensure that the elastic connecting piece 6 does not loosen in high-speed operation, the cross section of the matching protrusion 5 is fan-shaped, the side end is provided with an arc-shaped groove 8 matched with the adjacent matching protrusion 5, the elastic connecting piece 6 is fixed between the matching protrusions 5 through a pre-pressing process, the pre-pressing process parameters (such as pressure 5-10MPa, temperature 80-100℃) adapt to the existing production line, reduce the manufacturing cost, and the energy-absorbing material is polyurethane foam with a density of 80-120kg / m³.
[0016] Working principle
[0017] Shock resistance and buffering: the silicone rubber material and the internal polyurethane foam of the elastic connecting piece 6 are tightly filled through the pre-pressing process, absorbing the vibration energy generated during high-speed rotation of the rotor; the buffer flange 7 further disperses the impact force.
[0018] Structural weight reduction: the honeycomb lightening groove 4 significantly reduces the overall weight while ensuring the structural strength of the rotor base 3, reducing the inertial resistance.
[0019] Dynamic cooperation: the staggered matching protrusions 5 and the arc-shaped grooves 8 form multi-point limiting, enhancing the dynamic stability of the rotor assembly and avoiding axial deviation.
[0020] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.
[0021] Although the terms are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; it is against the spirit of the present application to interpret them as any kind of additional limitation.
Claims
1. A new type of stator-rotor assembly comprising a stator body, a rotor body (1) and a transmission shaft (2) passing through the rotor body (1), characterized in that, The rotor body (1) comprises two oppositely arranged rotor bases (3), the stator body is installed between the two rotor bases (3), the outer surface of the rotor base (3) is provided with a honeycomb lightening groove (4), and a plurality of matching protrusions (5) extend in the axial direction, the two rotor bases (3) are connected through an elastic connecting piece (6), the elastic connecting piece (6) is made of silicone rubber, is internally filled with an energy-absorbing material, and is provided with a buffer flange (7) on the outer surface, the matching protrusions (5) are arranged in a circumferential interval along the central axis of the rotor base (3), and the matching protrusions (5) of the two rotor bases (3) are staggered with each other, and the elastic connecting piece (6) is fixed between the matching protrusions (5) through a pre-pressing process.
2. A novel stator-rotor assembly as claimed in claim 1, wherein, The cross section of the matching protrusion (5) is in the shape of a sector, and the side end portion is provided with an arc-shaped groove (8) matched with the adjacent matching protrusion (5).
3. A novel stator-rotor assembly as claimed in claim 1, wherein, The energy-absorbing material is polyurethane foam with a density of 80-120 kg / m³.
4. A novel stator-rotor assembly as claimed in claim 1, wherein, The honeycomb lightening unit is a regular hexagon, the side length is 3-5 mm, the distance between adjacent units is 0.5-1 mm, and the depth is 1 / 3-1 / 2 of the thickness of the rotor base (3).