CN112600341A - Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold - Google Patents
Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold Download PDFInfo
- Publication number
- CN112600341A CN112600341A CN202011631412.7A CN202011631412A CN112600341A CN 112600341 A CN112600341 A CN 112600341A CN 202011631412 A CN202011631412 A CN 202011631412A CN 112600341 A CN112600341 A CN 112600341A
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- CN
- China
- Prior art keywords
- motor
- stator
- bearing
- shell
- taper sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
A wide temperature motor capable of eliminating the effect of expansion with heat and contraction with cold in the technical field of motors comprises a motor shell, a motor shaft, a bearing wave washer, a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve and a stator wave washer; the bearing is arranged between the motor shaft and the bearing wave washer, the bearing wave washer is arranged between the bearing and the motor shell, and the bearing wave washer is used for absorbing and correcting a gap between the bearing and the motor shell; the stator taper sleeve is arranged between the motor stator and the motor shell and used for absorbing and correcting a gap between the motor stator and the motor shell. The invention can prevent the matching between parts from changing due to the difference of expansion coefficients, and prevent the motor from working and breaking down.
Description
Technical Field
The invention relates to a wide-temperature motor in the technical field of motors, in particular to a wide-temperature motor with a stator taper sleeve and capable of eliminating the influence of expansion with heat and contraction with cold.
Background
Along with the rapid development of science and technology, the motor application field is widening constantly, and motor service environment is also diverse, and wide temperature motor is one of them, and its service environment temperature range is great relatively, has just so appeared because the difference in temperature span is big, and cause expend with heat and contract with cold effect, lead to the cooperation between the spare part to appear changing because of the difference of coefficient of expansion, lead to motor work to break down the scheduling problem. The most significant of them are: the problem of matching the bearing with the shell; the matching problem of the motor stator and the shell. The bearing material is bearing steel, and the shell generally chooses the aluminum alloy because of the light-weighted requirement of motor, and the coefficient of thermal expansion of these two kinds of materials differs great, satisfies the condition of motor low temperature operation, and the in-process problem of temperature rise will show gradually, for example original interference fit will become the transition, becomes the clearance, and the cooperation of bearing and shell becomes loose, and the cooperation of stator and shell becomes loose, otherwise the cooperation becomes tight, still probably appears because the too big problem such as shell fracture appears of magnitude of interference.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the wide-temperature motor capable of eliminating the influence of the effects of expansion with heat and contraction with cold.
The invention is realized by the following technical scheme that the invention comprises a motor shell, a motor shaft, a bearing wave washer, a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve and a stator wave washer; the motor shaft, the bearing wave washer and the motor shell are coaxially arranged and are uniformly distributed in the motor shell, the bearing is arranged between the motor shaft and the bearing wave washer, the bearing wave washer is arranged between the bearing and the motor shell, and the bearing wave washer is used for absorbing and correcting a gap between the bearing and the motor shell; the motor comprises a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve, a stator waveform gasket and a motor shaft, wherein the motor rotor, the motor stator, the stator retainer ring, the stator taper sleeve and the stator waveform gasket are coaxially arranged with the motor shaft and are uniformly distributed in a motor shell; the stator waveform gasket is arranged between the motor stator and the motor shell and is contacted with the outer side of the stator taper sleeve, and the stator waveform gasket is used for pushing the stator taper sleeve to axially slide; the stator retaining ring is embedded in the inner side wall of the motor shell and contacts with the outer side of the motor stator, and the stator retaining ring is used for preventing the motor stator from moving outwards.
Furthermore, the cross sections of the motor rotor, the motor stator, the stator retainer ring and the stator taper sleeve are all circular.
Further, in the present invention, the longitudinal section of the stator taper sleeve is tapered.
Compared with the prior art, the invention has the following beneficial effects: the invention has reasonable design, the bearing wave washer can be used for absorbing and correcting the gap between the bearing and the motor shell, the stator taper sleeve can be used for absorbing and correcting the gap between the motor stator and the motor shell, and the invention can prevent the matching between parts from changing due to the difference of expansion coefficients and prevent the motor from working to break down.
Drawings
FIG. 1 is a schematic structural diagram of a wave washer portion of a bearing according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of section A-A in FIG. 1;
FIG. 3 is a schematic structural view of a stator taper sleeve portion according to an embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3;
the motor comprises a motor shell 1, a motor shell 2, a motor shaft 3, a bearing 4, a bearing wave washer 5, a motor rotor 6, a motor stator 7, a stator retainer ring 8, a stator taper sleeve 9 and a stator wave gasket.
Detailed Description
The following embodiments of the present invention are described in detail with reference to the accompanying drawings, and the embodiments and specific operations of the embodiments are provided on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
Examples
Fig. 1 to 5 show a specific embodiment, the present invention includes a motor housing 1, a motor shaft 2, a bearing 3, a bearing wave washer 4, a motor rotor 5, a motor stator 6, a stator retainer ring 7, a stator taper sleeve 8, and a stator wave washer 9; the motor shaft 2, the bearing 3, the bearing wave washer 4 and the motor shell 1 are coaxially arranged and are all arranged in the motor shell 1, the bearing 3 is arranged between the motor shaft 2 and the bearing wave washer 4, the bearing wave washer 4 is arranged between the bearing 3 and the motor shell 1, and the bearing wave washer 4 is used for absorbing and correcting a gap between the bearing 3 and the motor shell 1; the motor rotor 5, the motor stator 6, the stator retainer ring 7, the stator taper sleeve 8, the stator waveform gasket 9 and the motor shaft 2 are coaxially arranged and are uniformly distributed in the motor shell 1, the motor rotor 5 is connected with the motor shaft 2, the motor stator 6 is arranged between the motor rotor 5 and the stator taper sleeve 8, the stator taper sleeve 8 is arranged between the motor stator 6 and the motor shell 1, and the stator taper sleeve 8 is used for absorbing and correcting a gap between the motor stator 6 and the motor shell 1; the stator waveform gasket 9 is arranged between the motor stator 6 and the motor shell 1 and is contacted with the outer side of the stator taper sleeve 8, and the stator waveform gasket 9 is used for pushing the stator taper sleeve 8 to axially slide; stator retaining ring 7 inlays at the inside wall of motor housing 1 and contacts with motor stator 6's outside, and stator retaining ring 7 is used for preventing motor stator 6 from outwards moving. The cross sections of the motor rotor 5, the motor stator 6, the stator retainer ring 7 and the stator taper sleeve 8 are all circular rings, and the longitudinal section of the stator taper sleeve 8 is conical.
In the invention, the intermediate temperature is taken as a reference, when the working environment deviates from the intermediate temperature, the clearance between the mating parts (the bearing 3 and the motor shell 1) on the inner side and the outer side of the bearing wave washer 4 is increased or reduced, and the increased or reduced clearance is absorbed and corrected by the bearing wave washer 4, so that the relative tight fit of the two parts is ensured. Similarly, when the working environment deviates from the intermediate temperature, the gap between the mating pieces (the motor stator 6 and the motor housing 1) inside and outside the stator taper sleeve 8 is increased or decreased by taking the intermediate temperature as a reference, and the increased or decreased gap pushes the stator taper sleeve 8 to absorb and correct by the waveform gasket 9, so that the two pieces of relative tight fit is ensured.
In the implementation process of the invention, the outer ring of the bearing 3, the bearing wave washer 4 and the motor shell 1 are in interference fit, and are relatively static except for the effect of expansion with heat and contraction with cold and correction caused by temperature change; the motor stator 6, the stator taper sleeve 8 and the motor shell 1 are in interference fit, and are relatively static except for thermal expansion and cold contraction effects and correction caused by temperature change.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. A wide temperature range motor capable of eliminating the effect of expansion with heat and contraction with cold comprises a motor shell, a motor shaft and a bearing, and is characterized by also comprising a bearing wave washer, a motor rotor, a motor stator, a stator retainer ring, a stator taper sleeve and a stator wave gasket;
the motor shaft, the bearing wave washer and the motor shell are coaxially arranged and are uniformly distributed in the motor shell, the bearing is arranged between the motor shaft and the bearing wave washer, the bearing wave washer is arranged between the bearing and the motor shell, and the bearing wave washer is used for absorbing and correcting a gap between the bearing and the motor shell;
the motor rotor, the motor stator, the stator retainer ring, the stator taper sleeve, the stator waveform gasket and the motor shaft are coaxially arranged and are uniformly distributed in the motor shell, the motor rotor is connected with the motor shaft together, the motor stator is arranged between the motor rotor and the stator taper sleeve, the stator taper sleeve is arranged between the motor stator and the motor shell, and the stator taper sleeve is used for absorbing and correcting a gap between the motor stator and the motor shell;
the stator waveform gasket is arranged between the motor stator and the motor shell and is contacted with the outer side of the stator taper sleeve, and the stator waveform gasket is used for pushing the stator taper sleeve to axially slide;
the stator retaining ring is embedded in the inner side wall of the motor shell and contacts with the outer side of the motor stator, and the stator retaining ring is used for preventing the motor stator from moving outwards.
2. The wide temperature range motor capable of eliminating the effects of expansion with heat and contraction with cold according to claim 1, wherein the cross sections of the motor rotor, the motor stator, the stator retainer ring and the stator taper sleeve are all circular rings.
3. The wide temperature range motor capable of eliminating the effects of expansion with heat and contraction with cold as claimed in claim 1, wherein the longitudinal section of the tapered stator sleeve is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631412.7A CN112600341A (en) | 2020-12-30 | 2020-12-30 | Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631412.7A CN112600341A (en) | 2020-12-30 | 2020-12-30 | Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112600341A true CN112600341A (en) | 2021-04-02 |
Family
ID=75206570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011631412.7A Pending CN112600341A (en) | 2020-12-30 | 2020-12-30 | Wide-temperature range motor capable of eliminating influence of expansion with heat and contraction with cold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112600341A (en) |
-
2020
- 2020-12-30 CN CN202011631412.7A patent/CN112600341A/en active Pending
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