CN104734399A - Radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector - Google Patents
Radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector Download PDFInfo
- Publication number
- CN104734399A CN104734399A CN201510150928.2A CN201510150928A CN104734399A CN 104734399 A CN104734399 A CN 104734399A CN 201510150928 A CN201510150928 A CN 201510150928A CN 104734399 A CN104734399 A CN 104734399A
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- China
- Prior art keywords
- stainless steel
- magnetic stainless
- motor
- facewidth
- magnetic circuit
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Classifications
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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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/022—Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator
- H02K21/025—Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator by varying the thickness of the air gap between field and armature
- H02K21/026—Axial air gap machines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector, and belongs to the technical field of motor protection equipment. The radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector aims at solving the problems that a motor protector does not exist at present, therefore, the usage performance of a motor is reduced, the service life of the motor is shortened, and the maintenance cost of the motor is increased. Multiple disc-shaped permanent magnets are fixed in a non-magnetism stainless steel sleeve, circular magnetic conductive stainless steel baffles are fixed between every two adjacent permanent magnets and on the outer sides of the two permanent magnets located at the two ends, and a magnetic conductive stainless steel sleeve is fixed in an installing hole of each disc-shaped permanent magnet. When the radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector is used, an output shaft of the motor penetrates out the multiple magnetic conductive stainless steel sleeves and shaft holes of the multiple circular magnetic conductive stainless steel baffles of multiple radial magnetic circuit multipole equal tooth width decelerating type motor protector bodies, and gaps are formed between multiple equal tooth width tooth top circumference surfaces of each magnetic conductive stainless steel sleeve and the output shaft of the motor and between the shaft hole of each circular magnetic conductive stainless steel baffle and the output shaft of the motor. The radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector is used in a bigger space occasion for protecting the motor.
Description
Technical field
The present invention relates to a kind of motor protecter, belong to electric motor protecting equipment technical field.
Background technology
Reducing gear (as decelerator) friction the impurity such as the iron filings that produce have important impact to long-time effectively operation of permagnetic synchronous motor (hereinafter referred to as motor), simultaneously the impurity such as iron filings also can produce harmful effect to the serviceability of motor for a long time in motor body, not only make electrical machmary maintenance cost increase, also can have a strong impact on the useful life of motor.Therefore how reducing the impurity such as iron filings enters in motor body, and effectively improve performance and the life-span of motor, the maintenance cost reducing motor is current problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide the facewidth deceleration type motor protecters such as the multistage multipole of a kind of radial magnetic circuit, to solve at present because of without motor protecter, motor serviceability and life-span all can be reduced, and increase the problem of electrical machmary maintenance cost.
The present invention solves the problem the technical scheme taked respectively:
The facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit, the facewidth deceleration type motor protecters such as it comprises the facewidth deceleration type motor protecters such as multiple radial magnetic circuit multipoles, each radial magnetic circuit multipole include non-magnetic stainless steel sleeve, multiple permanent magnet, multiple magnetic stainless steel cover and multiple circular magnetic stainless steel baffle plate;
Described multiple permanent magnets are disc-shape, the permanent magnet of multiple disc-shape is fixed in non-magnetic stainless steel sleeve along the axis of non-magnetic stainless steel sleeve side by side, the magnetic circuit of the permanent magnet of multiple disc-shape is all disposed radially, between the permanent magnet of every adjacent two disc-shapes and in non-magnetic stainless steel sleeve two disc-shapes at two ends permanent magnet outside be fixed with a circular magnetic stainless steel baffle plate respectively, the middle part of described multiple circular magnetic stainless steel baffle plate is equipped with axis hole, the middle part of the permanent magnet of multiple disc-shape is equipped with installing hole, a magnetic stainless steel cover is all fixed with in each installing hole, the N pole of the permanent magnet of multiple disc-shape is disposed adjacent with non-magnetic stainless steel sleeve, the S pole of the permanent magnet of multiple disc-shape is disposed adjacent with multiple magnetic stainless steel cover, described multiple magnetic stainless steel covers are coaxially arranged with the axis hole of multiple circular magnetic stainless steel baffle plate, the inner peripheral surface of each magnetic stainless steel cover is processed with vertically the tooth of the facewidth such as several, the facewidth deceleration type motor protecters such as multiple radial magnetic circuit multipoles are coaxially arranged, during use, the output shaft of described motor passes multiple magnetic stainless steel covers of the facewidth deceleration type motor protecters such as multiple radial magnetic circuit multipoles and the axis hole of multiple circular magnetic stainless steel baffle plate, and the outside circle side face of tooth of the facewidth such as several of each magnetic stainless steel cover and be equipped with gap between the axle hole inner circle side face of each circular magnetic stainless steel baffle plate and the output shaft of motor.
The present invention relative to the beneficial effect of prior art is:
1, adopt the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit of the present invention, only need carry out installing according to reserved space between motor and decelerator, effectively can reduce iron filings impurity etc. and enter in motor body.Because protector structure pattern of the present invention is simple, easy processing and manufacturing, and the effect highly significant to electric motor protecting.Practice shows, after being provided with protector of the present invention, effectively can improve motor useful life more than 27%, reduce motor operation expense more than 17%, can use under the particular surroundings such as oil, deep-sea.
the inner peripheral surface of 2, magnetic stainless steel cover is processed with vertically the tooth of the facewidth such as several, object is the area in order to increase adsorbing contaminant, and owing to adopting multiple magnetic stainless steel cover, the ability of adsorbing contaminant is stronger, and adsorbance is larger, and adsorption effect is better.
To sum up, the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit of the present invention are applicable to the occasion of larger space, due to the cause of multilevel hierarchy, better to the protected effect of motor.
Accompanying drawing explanation
Fig. 1 is the main cutaway views of facewidth deceleration type motor protecter such as the multistage multipole of radial magnetic circuit of the present invention;
Fig. 2 is the front view be arranged on by the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit of the present invention between motor and decelerator;
Fig. 3 is the left view of Fig. 2.
The component names related in above-mentioned figure and label are respectively:
Non-magnetic stainless steel sleeve 1, circular magnetic stainless steel baffle plate 2, permanent magnet 3, magnetic stainless steel cover 4, etc. facewidth deceleration type motor protecter 7, the motor 8 such as tooth 4-1, output shaft 5, decelerator 6, radial magnetic circuit multipole of the facewidth.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented under premised on technical solution of the present invention, gives detailed execution mode, but protection scope of the present invention is not limited to following embodiment.
Embodiment one: as depicted in figs. 1 and 2, the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit, the facewidth deceleration type motor protecters 7 such as it comprises the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit multipoles, each radial magnetic circuit multipole include non-magnetic stainless steel sleeve 1, multiple permanent magnet 3, multiple magnetic stainless steel cover 4 and multiple circular magnetic stainless steel baffle plate 2;
Described multiple permanent magnets 3 are disc-shape, the permanent magnet 3 of multiple disc-shape is fixed in non-magnetic stainless steel sleeve 1 along the axis of non-magnetic stainless steel sleeve 1 side by side, the magnetic circuit of the permanent magnet 3 of multiple disc-shape is all disposed radially, between the permanent magnet 3 of every adjacent two disc-shapes and in non-magnetic stainless steel sleeve 1 two disc-shapes at two ends permanent magnet 3 outside be fixed with a circular magnetic stainless steel baffle plate 2 respectively, the middle part of described multiple circular magnetic stainless steel baffle plate 2 is equipped with axis hole, the middle part of the permanent magnet 3 of multiple disc-shape is equipped with installing hole, a magnetic stainless steel cover 4 is all fixed with in each installing hole, the N pole of the permanent magnet 3 of multiple disc-shape is disposed adjacent with non-magnetic stainless steel sleeve 1, S pole and multiple magnetic stainless steel of the permanent magnet 3 of multiple disc-shape are overlapped 4 and are disposed adjacent, thus make axle system, air gap, the closed magnetic circuit formed between permanent magnet.Described multiple magnetic stainless steel cover 4 is coaxially arranged with the axis hole of multiple circular magnetic stainless steel baffle plate 2, the inner peripheral surface of each magnetic stainless steel cover 4 is processed with vertically the tooth 4-1 of the facewidth such as several; The facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit multipoles are coaxially arranged; During use; the output shaft 5 of described motor 8 passes multiple magnetic stainless steel covers 4 of the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit multipoles and the axis hole of multiple circular magnetic stainless steel baffle plate 2, and the outside circle side face of tooth 4-1 of the facewidth such as several of each magnetic stainless steel cover 4 and be equipped with gap between the axle hole inner circle side face of each circular magnetic stainless steel baffle plate 2 and the output shaft 5 of motor 8.
On the inner peripheral surface of magnetic stainless steel cover 4 etc. the shape of tooth 4-1 of the facewidth do not limit, can be rectangular teeth, stepped tooth or lance tooth etc., convenient processing.
The preferred spaced set vertically of the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit multipoles, makes its more effective reduction iron filings impurity etc. enter in motor body.The quantity of the facewidth deceleration type motor protecters 7 such as radial magnetic circuit multipole and installation site are determined according to space reserved between motor 8 and decelerator 6.
Embodiment two: as depicted in figs. 1 and 2; the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit described in embodiment one, the outside circle side face of tooth 4-1 of the facewidth such as several of described each magnetic stainless steel cover 4 and the gap between the axle hole inner circle side face of each circular magnetic stainless steel baffle plate 2 and the output shaft 5 of motor 8 are 1 ~ 2mm.Both ensure that the normal operation of motor 8, and iron filings impurity etc. can also have been intercepted to greatest extent simultaneously and enter in motor body.
Embodiment three: as shown in Figure 1, the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit described in embodiment one or two, the tooth depth of the tooth 4-1 of the facewidth such as several of described each magnetic stainless steel cover 4 is all equal.Object is convenient processing.
Operation principle: as shown in Fig. 1 ~ Fig. 3, coaxially installs the facewidth deceleration type motor protecters such as the multistage multipole of radial magnetic circuit of the present invention and motor 8 and decelerator 6, and is arranged between motor 8 and decelerator 6.Due to the effect of the permanent magnet 3 of disc-shape, the impurity such as iron filings are adsorbed on the surface of each circular magnetic stainless steel baffle plate 2 and each magnetic stainless steel cover 4, and can not suck the internal body of motor 8; The axle hole inner circle side face gap that output shaft 5 and magnetic stainless steel due to motor 8 overlap the outside circle side face of the tooth 4-1 of the facewidth such as several of 4 and circular magnetic stainless steel baffle plate 2 is very little, only has 1 ~ 2mm, so larger-diameter iron filings particle can be blocked in motor body outside, and then serve the effect of protection motor 8, effectively prevent the impurity such as the iron filings produced due to decelerator 6 mechanical friction enter the inside of motor 8 and cause the decline of motor 8 performance, improve the useful life of motor 8 and decelerator 6 thereof; Described motor 8 is permagnetic synchronous motor.
Claims (3)
1. the facewidth deceleration type motor protecter such as multistage multipole of radial magnetic circuit, it is characterized in that: the facewidth deceleration type motor protecters (7) such as it comprises the facewidth deceleration type motor protecters (7) such as multiple radial magnetic circuit multipoles, each radial magnetic circuit multipole include non-magnetic stainless steel sleeve (1), multiple permanent magnet (3), multiple magnetic stainless steel cover (4) and multiple circular magnetic stainless steel baffle plate (2);
Described multiple permanent magnets (3) are disc-shape, the permanent magnet (3) of multiple disc-shape is fixed in non-magnetic stainless steel sleeve (1) along the axis of non-magnetic stainless steel sleeve (1) side by side, the magnetic circuit of the permanent magnet (3) of multiple disc-shape is all disposed radially, a circular magnetic stainless steel baffle plate (2) is fixed with respectively between the permanent magnet (3) of every adjacent two disc-shapes and outside the permanent magnet (3) of two disc-shapes at non-magnetic stainless steel sleeve (1) interior two ends, the middle part of described multiple circular magnetic stainless steel baffle plate (2) is equipped with axis hole, the middle part of the permanent magnet (3) of multiple disc-shape is equipped with installing hole, a magnetic stainless steel cover (4) is all fixed with in each installing hole, the N pole of the permanent magnet (3) of multiple disc-shape is disposed adjacent with non-magnetic stainless steel sleeve (1), the S pole of the permanent magnet (3) of multiple disc-shape is disposed adjacent with multiple magnetic stainless steel cover (4), described multiple magnetic stainless steel cover (4) is coaxially arranged with the axis hole of multiple circular magnetic stainless steel baffle plate (2), the inner peripheral surface of each magnetic stainless steel cover (4) is processed with vertically the tooth (4-1) of the facewidth such as several, the facewidth deceleration type motor protecters (7) such as multiple radial magnetic circuit multipoles are coaxially arranged, during use, the output shaft (5) of described motor (8) passes multiple magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) and the axis holes of multiple circular magnetic stainless steel baffle plate (2) such as multiple radial magnetic circuit multipoles, and the outside circle side face of tooth (4-1) of the facewidth such as several of each magnetic stainless steel cover (4) and be equipped with gap between the axle hole inner circle side face of each circular magnetic stainless steel baffle plate (2) and the output shaft (5) of motor (8).
2. the facewidth deceleration type motor protecter such as multistage multipole of radial magnetic circuit according to claim 1, is characterized in that: the outside circle side face of tooth (4-1) of the facewidth such as several of described each magnetic stainless steel cover (4) and the gap between the axle hole inner circle side face of each circular magnetic stainless steel baffle plate (2) and the output shaft (5) of motor (8) are 1 ~ 2mm.
3. the facewidth deceleration type motor protecter such as multistage multipole of radial magnetic circuit according to claim 1 and 2, is characterized in that: the tooth depth of the tooth (4-1) of the facewidth such as several of described each magnetic stainless steel cover (4) is all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150928.2A CN104734399A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150928.2A CN104734399A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104734399A true CN104734399A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150928.2A Pending CN104734399A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage multipole equal tooth width decelerating type motor protector |
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| Country | Link |
|---|---|
| CN (1) | CN104734399A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| CN2354669Y (en) * | 1998-03-25 | 1999-12-22 | 耿胜利 | Household descaler |
| CN202666980U (en) * | 2012-07-31 | 2013-01-16 | 淄博盛金磁铁制造有限公司 | Powerful magnetic rod |
| CN203694743U (en) * | 2014-01-18 | 2014-07-09 | 贵阳经济技术开发区永兴机械有限公司 | Magnetic filter |
-
2015
- 2015-04-01 CN CN201510150928.2A patent/CN104734399A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| CN2354669Y (en) * | 1998-03-25 | 1999-12-22 | 耿胜利 | Household descaler |
| CN202666980U (en) * | 2012-07-31 | 2013-01-16 | 淄博盛金磁铁制造有限公司 | Powerful magnetic rod |
| CN203694743U (en) * | 2014-01-18 | 2014-07-09 | 贵阳经济技术开发区永兴机械有限公司 | Magnetic filter |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20150624 |