CN104702023A - Axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector - Google Patents
Axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector Download PDFInfo
- Publication number
- CN104702023A CN104702023A CN201510151024.1A CN201510151024A CN104702023A CN 104702023 A CN104702023 A CN 104702023A CN 201510151024 A CN201510151024 A CN 201510151024A CN 104702023 A CN104702023 A CN 104702023A
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- China
- Prior art keywords
- stainless steel
- magnetic stainless
- baffle plate
- type motor
- deceleration type
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses an axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector, belongs to the technical field of motor protection equipment, and aims at solving the existing problems that the using performance and service life of a motor are reduced, and the maintenance cost of the motor is increased owing to the lack of the motor protector. In each of axial magnetic circuit monopole tooth-space-omitted deceleration type motor protectors, a disc-shaped permanent magnet is fixedly mounted in a nonmagnetic stainless steel sleeve; a first circular magnetic stainless steel baffle and a second circular magnetic stainless steel baffle are fixed into the nonmagnetic stainless steel sleeve; the diameter of an axle hole of the first circular magnetic stainless steel baffle is smaller than that of an axle hole of the second circular magnetic stainless steel baffle; a magnetic stainless steel sleeve is fixedly arranged in an installation hole of the disc-shaped permanent magnet; the inner peripheral surface of the magnetic stainless steel sleeve is of a special-shaped tooth-space-omitted structure. When the axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector is used, an output shaft of the motor penetrates through the multiple axial magnetic circuit monopole tooth-space-omitted deceleration type motor protectors 7, and gaps are formed both between the inner peripheral surface with the smaller diameter of each magnetic stainless steel sleeve and the output shaft of the motor and between the inner peripheral surface of the axle hole of each first circular magnetic stainless steel baffle and the output shaft of the motor. The axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector is applied to large space occasions 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 a kind of axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter, 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:
Axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter, described axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter comprises multiple axial magnetic circuit one pole slotless deceleration type motor protecter, and each axial magnetic circuit one pole slotless deceleration type motor protecter includes non-magnetic stainless steel sleeve, permanent magnet, magnetic stainless steel cover, the first circular magnetic stainless steel baffle plate and the second circular magnetic stainless steel baffle plate;
Described permanent magnet is disc-shape, the permanent magnet of disc-shape is installed in non-magnetic stainless steel sleeve, the magnetic circuit of the permanent magnet of described disc-shape is arranged vertically, described first circular magnetic stainless steel baffle plate and the second circular magnetic stainless steel baffle plate are fixed on the two ends in non-magnetic stainless steel sleeve, and the first circular magnetic stainless steel baffle plate all reclines with the adjacent face of the permanent magnet of disc-shape mutually with the second circular magnetic stainless steel baffle plate, the middle part of the first circular magnetic stainless steel baffle plate and the second circular magnetic stainless steel baffle plate is respectively equipped with axis hole, and the axis hole aperture of the first circular magnetic stainless steel baffle plate is less than the axis hole aperture of the second circular magnetic stainless steel baffle plate, the middle part of the permanent magnet of disc-shape is provided with installing hole, described installing hole internal fixtion has magnetic stainless steel cover, described magnetic stainless steel cover is coaxially arranged with the axis hole of the first circular magnetic stainless steel baffle plate and the second circular magnetic stainless steel baffle plate, the inner peripheral surface of magnetic stainless steel cover is special-shaped slotless structure, and one end diameter of the inner peripheral surface of magnetic stainless steel cover is less than other end diameter, minor diameter one end of the inner peripheral surface of magnetic stainless steel cover is disposed adjacent with the first circular magnetic stainless steel baffle plate, multiple axial magnetic circuit one pole slotless deceleration type motor protecter is coaxially arranged, and often the polarity of adjacent two axial magnetic circuit one pole slotless deceleration type motor protecters is arranged on the contrary, often the first circular magnetic stainless steel baffle plate of adjacent two axial magnetic circuit one pole slotless deceleration type motor protecters is disposed adjacent with the second circular magnetic stainless steel baffle plate, during use, the output shaft of described motor passes the magnetic stainless steel cover of multiple axial magnetic circuit one pole slotless deceleration type motor protecter and the axis hole of the first circular magnetic stainless steel baffle plate and the second circular magnetic stainless steel baffle plate, and the first circular magnetic stainless steel baffle plate of the axial magnetic circuit one pole slotless deceleration type motor protecter arranged recently from motor is disposed adjacent with motor, the minor diameter inner peripheral surface of the magnetic stainless steel cover of each axial magnetic circuit one pole slotless deceleration type motor protecter and be equipped with gap between the axle hole inner circle side face of the first circular magnetic stainless steel baffle plate and the output shaft of motor 8.
The present invention relative to the beneficial effect of prior art is:
1, adopt axial magnetic circuit of the present invention multistage one pole abnormity slotless deceleration type motor protecter, 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 19%, reduce motor operation expense more than 10%, can use under the particular surroundings such as oil, deep-sea.
2, the stepped setting of inner peripheral surface of magnetic stainless steel cover, object plays certain cushioning effect to impurity such as iron filings in adsorption process, successively slowed down by the impurity such as iron filings, makes adsorption effect better.
To sum up, axial magnetic circuit of the present invention multistage one pole abnormity slotless deceleration type motor protecter is 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 view of axial magnetic circuit of the present invention multistage one pole abnormity slotless deceleration type motor protecter;
Fig. 2 is the front view be arranged on by multistage for axial magnetic circuit of the present invention one pole abnormity slotless deceleration type motor protecter 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:
The circular magnetic stainless steel baffle plate 2 of non-magnetic stainless steel sleeve 1, first, permanent magnet 3, magnetic stainless steel cover 4, output shaft 5, decelerator 6, axial magnetic circuit one pole slotless deceleration type motor protecter 7, the circular magnetic stainless steel baffle plate 9 of motor 8, second.
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, axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter, described axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter comprises multiple axial magnetic circuit one pole slotless deceleration type motor protecter 7, and each axial magnetic circuit one pole slotless deceleration type motor protecter 7 includes non-magnetic stainless steel sleeve 1, permanent magnet 3, magnetic stainless steel cover the 4, first circular magnetic stainless steel baffle plate 2 and the second circular magnetic stainless steel baffle plate 9;
Described permanent magnet 3 is disc-shape, the permanent magnet 3 of disc-shape is installed in non-magnetic stainless steel sleeve 1, the magnetic circuit of the permanent magnet 3 of described disc-shape is arranged vertically, described first circular magnetic stainless steel baffle plate 2 and the second circular magnetic stainless steel baffle plate 9 are fixed on the two ends in non-magnetic stainless steel sleeve 1, and the first circular magnetic stainless steel baffle plate 2 all reclines with the adjacent face of the permanent magnet 3 of disc-shape mutually with the second circular magnetic stainless steel baffle plate 9, the middle part of the first circular magnetic stainless steel baffle plate 2 and the second circular magnetic stainless steel baffle plate 9 is respectively equipped with axis hole, and the axis hole aperture of the first circular magnetic stainless steel baffle plate 2 is less than the axis hole aperture of the second circular magnetic stainless steel baffle plate 9, the middle part of the permanent magnet 3 of disc-shape is provided with installing hole, described installing hole internal fixtion has magnetic stainless steel to overlap 4, described magnetic stainless steel cover 4 and the axis hole of the first circular magnetic stainless steel baffle plate 2 and the second circular magnetic stainless steel baffle plate 9 are coaxially arranged, the inner peripheral surface of magnetic stainless steel cover 4 is special-shaped slotless structure, and one end diameter of the inner peripheral surface of magnetic stainless steel cover 4 is less than other end diameter, minor diameter one end of the inner peripheral surface of magnetic stainless steel cover 4 is disposed adjacent with the first circular magnetic stainless steel baffle plate 2, multiple axial magnetic circuit one pole slotless deceleration type motor protecter 7 is coaxially arranged, and often the polarity of adjacent two axial magnetic circuit one pole slotless deceleration type motor protecters 7 is arranged on the contrary, the consistency of holding structure, thus be beneficial to assembling, often the first circular magnetic stainless steel baffle plate 2 of adjacent two axial magnetic circuit one pole slotless deceleration type motor protecters 7 is disposed adjacent with the second circular magnetic stainless steel baffle plate 9, during use, the output shaft 5 of described motor 8 passes the magnetic stainless steel cover 4 of multiple axial magnetic circuit one pole slotless deceleration type motor protecter 7 and the axis hole of the first circular magnetic stainless steel baffle plate 2 and the second circular magnetic stainless steel baffle plate 9, and be disposed adjacent from the first circular magnetic stainless steel baffle plate 2 of the nearest axial magnetic circuit one pole slotless deceleration type motor protecter 7 arranged of motor 8 with motor 8, the magnetic stainless steel of each axial magnetic circuit one pole slotless deceleration type motor protecter 7 is overlapped the minor diameter inner peripheral surface of 4 and is equipped with gap between the axle hole inner circle side face of the first circular magnetic stainless steel baffle plate 2 and the output shaft 5 of motor 8.
The preferred spaced set vertically of multiple axial magnetic circuit one pole slotless deceleration type motor protecter 7, makes its more effective reduction iron filings impurity etc. enter in motor body.The quantity of axial magnetic circuit one pole slotless deceleration type motor protecter 7 is determined according to space reserved between motor 8 and decelerator 6.This execution mode is used for the occasion of larger space, protects motor.
Embodiment two: as shown in Figure 1; axial magnetic circuit described in embodiment one multistage one pole abnormity slotless deceleration type motor protecter, the inner peripheral surface of the magnetic stainless steel cover 4 of described each axial magnetic circuit one pole slotless deceleration type motor protecter 7 is stairstepping.Object plays certain cushioning effect, successively slowed down by the impurity such as iron filings, is more conducive to absorption.
The inner peripheral surface of magnetic stainless steel cover 4 is not limited to stairstepping, and the inner peripheral surface of magnetic stainless steel cover 4 is all can meet all admissible of slotless structure.
Embodiment three: as shown in Figure 1; axial magnetic circuit described in embodiment two multistage one pole abnormity slotless deceleration type motor protecter, the magnetic stainless steel cover 4 of described each axial magnetic circuit one pole slotless deceleration type motor protecter 7 press close to the inner peripheral surface of the output shaft 5 of motor 8 most and the gap between the axle hole inner circle side face of the first circular magnetic stainless steel baffle plate 2 and the output shaft 5 of motor 8 equal and be 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 four: as shown in Figure 1; axial magnetic circuit described in embodiment two or three multistage one pole abnormity slotless deceleration type motor protecter; it is characterized in that: every adjacent steps difference in height of the stairstepping inner peripheral surface of described magnetic stainless steel cover 4 is all equal, the identical length etc. of every adjacent steps of the stairstepping inner peripheral surface of magnetic stainless steel cover 4.Object plays certain cushioning effect, successively slowed down by the impurity such as iron filings, and be more conducive to absorption, adsorption effect is better than embodiment two, and convenient processing.
Operation principle: as shown in Fig. 1 ~ Fig. 3; motor protecter 7 of the present invention is coaxially installed with motor 8 and decelerator 6; and motor protecter 7 is arranged between motor 8 and decelerator 6, and be disposed adjacent from the first circular magnetic stainless steel baffle plate 2 of the nearest axial magnetic circuit one pole slotless deceleration type motor protecter 7 arranged of motor 8 with motor 8.Owing to adopting multiple axial magnetic circuit one pole slotless deceleration type motor protecter 7, under the effect of the permanent magnet 3 of multiple disc-shape, the impurity such as iron filings are adsorbed on the surface of the first all circular magnetic stainless steel baffle plates 9 of circular magnetic stainless steel baffle plate 2, second and magnetic stainless steel cover 4, and can not suck the internal body of motor 8, because magnetic stainless steel cover 4 presses close to the inner peripheral surface of the output shaft 5 of motor 8 most and the gap between the axle hole inner circle side face of the first circular magnetic stainless steel baffle plate 2 and the output shaft 5 of motor 8 is very little, only has 1 ~ 2mm, so larger-diameter iron filings particle can be blocked in motor body outside, and make multiple magnetic stainless steel overlap the stairstepping inner peripheral surface of 4, cushioning effect is step by step served when adsorbing the impurity such as iron filings, and then more excellent protective effect is served to 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 (4)
1. an axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter, it is characterized in that: described axial magnetic circuit multistage one pole abnormity slotless deceleration type motor protecter comprises multiple axial magnetic circuit one pole slotless deceleration type motor protecter (7), and each axial magnetic circuit one pole slotless deceleration type motor protecter (7) includes non-magnetic stainless steel sleeve (1), permanent magnet (3), magnetic stainless steel cover (4), the first circular magnetic stainless steel baffle plate (2) and the second circular magnetic stainless steel baffle plate (9);
Described permanent magnet (3) is disc-shape, the permanent magnet (3) of disc-shape is installed in non-magnetic stainless steel sleeve (1), the magnetic circuit of the permanent magnet (3) of described disc-shape is arranged vertically, described first circular magnetic stainless steel baffle plate (2) and the second circular magnetic stainless steel baffle plate (9) are fixed on the two ends in non-magnetic stainless steel sleeve (1), and the first circular magnetic stainless steel baffle plate (2) all reclines with the adjacent face of the permanent magnet (3) of disc-shape mutually with the second circular magnetic stainless steel baffle plate (9), the middle part of the first circular magnetic stainless steel baffle plate (2) and the second circular magnetic stainless steel baffle plate (9) is respectively equipped with axis hole, and the axis hole aperture of the first circular magnetic stainless steel baffle plate (2) is less than the axis hole aperture of the second circular magnetic stainless steel baffle plate (9), the middle part of the permanent magnet (3) of disc-shape is provided with installing hole, described installing hole internal fixtion has magnetic stainless steel cover (4), described magnetic stainless steel cover (4) is coaxially arranged with the axis hole of the first circular magnetic stainless steel baffle plate (2) and the second circular magnetic stainless steel baffle plate (9), the inner peripheral surface of magnetic stainless steel cover (4) is special-shaped slotless structure, and one end diameter of the inner peripheral surface of magnetic stainless steel cover (4) is less than other end diameter, minor diameter one end of the inner peripheral surface of magnetic stainless steel cover (4) is disposed adjacent with the first circular magnetic stainless steel baffle plate (2), multiple axial magnetic circuit one pole slotless deceleration type motor protecter (7) is coaxially arranged, and often the polarity of adjacent two axial magnetic circuit one pole slotless deceleration type motor protecter (7) is arranged on the contrary, often first of adjacent two axial magnetic circuit one pole slotless deceleration type motor protecter (7) the circular magnetic stainless steel baffle plate (2) is disposed adjacent with the second circular magnetic stainless steel baffle plate (9), during use, the output shaft (5) of described motor (8) passes the magnetic stainless steel cover (4) of multiple axial magnetic circuit one pole slotless deceleration type motor protecter (7) and the axis hole of the first circular magnetic stainless steel baffle plate (2) and the second circular magnetic stainless steel baffle plate (9), and be disposed adjacent from the first circular magnetic stainless steel baffle plate (2) of nearest axial magnetic circuit one pole slotless deceleration type motor protecter (7) arranged of motor (8) with motor (8), gap is equipped with between the axle hole inner circle side face of the minor diameter inner peripheral surface of the magnetic stainless steel cover (4) of each axial magnetic circuit one pole slotless deceleration type motor protecter (7) and the first circular magnetic stainless steel baffle plate (2) and the output shaft (5) of motor (8).
2. axial magnetic circuit according to claim 1 multistage one pole abnormity slotless deceleration type motor protecter, is characterized in that: the inner peripheral surface of the magnetic stainless steel cover (4) of described each axial magnetic circuit one pole slotless deceleration type motor protecter (7) is stairstepping.
3. axial magnetic circuit according to claim 2 multistage one pole abnormity slotless deceleration type motor protecter, is characterized in that: the magnetic stainless steel cover (4) of described each axial magnetic circuit one pole slotless deceleration type motor protecter (7) press close to the inner peripheral surface of the output shaft 5 of motor (8) most and the gap between the axle hole inner circle side face of the first circular magnetic stainless steel baffle plate (2) and the output shaft (5) of motor (8) equal and be 1 ~ 2mm.
4. the multistage one pole abnormity of the axial magnetic circuit according to Claims 2 or 3 slotless deceleration type motor protecter; it is characterized in that: every adjacent steps difference in height of the stairstepping inner peripheral surface of described magnetic stainless steel cover (4) is all equal, the identical length etc. of every adjacent steps of the stairstepping inner peripheral surface of magnetic stainless steel cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151024.1A CN104702023A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151024.1A CN104702023A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector |
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| Publication Number | Publication Date |
|---|---|
| CN104702023A true CN104702023A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151024.1A Pending CN104702023A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit multistage monopole special-shaped tooth-space-omitted deceleration type motor protector |
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| CN (1) | CN104702023A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| JPH11178282A (en) * | 1997-12-12 | 1999-07-02 | Railway Technical Res Inst | Iron powder remover for ventilation cooling system rotating electric machine |
| JP2002300750A (en) * | 2001-03-29 | 2002-10-11 | Railway Technical Res Inst | Iron powder removal device for air-cooled rotary electric machine |
| CN2675267Y (en) * | 2003-12-23 | 2005-02-02 | 张景聪 | Strong magnetic magnet |
| CN201008805Y (en) * | 2006-12-28 | 2008-01-23 | 赵维珂 | Electric-magnetic iron remover |
| CN203044151U (en) * | 2012-12-26 | 2013-07-10 | 重庆神工机械制造有限责任公司 | Magnetic roller of chip cleaner |
| CN203604006U (en) * | 2013-12-28 | 2014-05-21 | 张瑞新 | Automobile magnetic filter |
-
2015
- 2015-04-01 CN CN201510151024.1A patent/CN104702023A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| JPH11178282A (en) * | 1997-12-12 | 1999-07-02 | Railway Technical Res Inst | Iron powder remover for ventilation cooling system rotating electric machine |
| JP2002300750A (en) * | 2001-03-29 | 2002-10-11 | Railway Technical Res Inst | Iron powder removal device for air-cooled rotary electric machine |
| CN2675267Y (en) * | 2003-12-23 | 2005-02-02 | 张景聪 | Strong magnetic magnet |
| CN201008805Y (en) * | 2006-12-28 | 2008-01-23 | 赵维珂 | Electric-magnetic iron remover |
| CN203044151U (en) * | 2012-12-26 | 2013-07-10 | 重庆神工机械制造有限责任公司 | Magnetic roller of chip cleaner |
| CN203604006U (en) * | 2013-12-28 | 2014-05-21 | 张瑞新 | Automobile magnetic filter |
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Application publication date: 20150610 |