CN104702026A - Axial magnetic circuit multistage monopole tooth-width-unequal deceleration type motor protector - Google Patents
Axial magnetic circuit multistage monopole tooth-width-unequal deceleration type motor protector Download PDFInfo
- Publication number
- CN104702026A CN104702026A CN201510151034.5A CN201510151034A CN104702026A CN 104702026 A CN104702026 A CN 104702026A CN 201510151034 A CN201510151034 A CN 201510151034A CN 104702026 A CN104702026 A CN 104702026A
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- China
- Prior art keywords
- stainless steel
- magnetic stainless
- facewidth
- magnetic circuit
- type motor
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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
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an axial magnetic circuit multistage monopole tooth-width-unequal 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-width-unequal deceleration type motor protectors, a disc-shaped permanent magnet is fixedly mounted in a nonmagnetic stainless steel sleeve; two circular magnetic stainless steel baffles are fixed to the two ends in the nonmagnetic stainless steel sleeve; a magnetic stainless steel sleeve is fixedly arranged in an installation hole of the disc-shaped permanent magnet; the magnetic stainless steel sleeve and axle holes of the two circular magnetic stainless steel baffles are coaxially arranged; the inner peripheral surface of the magnetic stainless steel sleeve is provided with multiple teeth with unequal tooth widths in the axial direction by machining. An output shaft of the motor penetrates through the multiple axial magnetic circuit monopole tooth-width-unequal deceleration type motor protectors, and gaps are formed both between the tooth top peripheral surfaces of multiple teeth with the unequal tooth widths of each magnetic stainless steel sleeve and the output shaft of the motor and between the inner peripheral surfaces of the axle holes of every two circular magnetic stainless steel baffles and the output shaft of the motor. The axial magnetic circuit multistage monopole tooth-width-unequal 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 facewidth deceleration type motor protecter such as not, to solve at present because of without motor protecter, motor serviceability and life-span all can be reduced, and the problem of increase electrical machmary maintenance cost.
The present invention solves the problem the technical scheme taked respectively:
The axial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, the described axial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not comprises multiple axial magnetic circuit one pole facewidth deceleration type motor protecter such as not, and each axial magnetic circuit one pole facewidth deceleration type motor protecter such as not includes non-magnetic stainless steel sleeve, permanent magnet, magnetic stainless steel cover and two circular magnetic stainless steel baffle plates;
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 disc-shape is arranged vertically, described two circular magnetic stainless steel baffle plates are fixed on the two ends in non-magnetic stainless steel sleeve, and circular magnetic stainless steel baffle plate reclines mutually with two end faces of the permanent magnet of disc-shape, the middle part of two circular magnetic stainless steel baffle plates is respectively equipped with axis hole, 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 two circular magnetic stainless steel baffle plates, the inner peripheral surface of magnetic stainless steel cover is processed with vertically the tooth of several facewidth such as not, multiple axial magnetic circuit one pole facewidth deceleration type motor protecter such as not is coaxially arranged, during use, the output shaft of described motor penetrates multiple axial magnetic circuit one pole not etc. in the magnetic stainless steel cover of facewidth deceleration type motor protecter and the axis hole of two circular magnetic stainless steel baffle plates, and each axial magnetic circuit one pole not etc. several facewidth such as or not the magnetic stainless steel cover of facewidth deceleration type motor protecter the outside circle side face of tooth and be equipped with gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates and the output shaft of motor.
The present invention relative to the beneficial effect of prior art is:
The facewidth deceleration type motor protecter such as 1, adopt the multistage one pole of axial magnetic circuit of the present invention not, only need carry out installing according to reserved space, effectively can reduce iron filings impurity etc. and enter in motor body between motor and decelerator.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 20%, reduce motor operation expense more than 11%, 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 several facewidth such as not, object is the area in order to increase adsorbing contaminant, and make the amount of adsorbing contaminant larger, adsorption effect is better.
To sum up, the axial magnetic circuit of the present invention multistage one pole facewidth deceleration type motor protecter such as is not 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 axial magnetic circuit of the present invention multistage one pole main cutaway view of facewidth deceleration type motor protecter such as not;
Fig. 2 be by multistage for axial magnetic circuit of the present invention one pole not etc. facewidth deceleration type motor protecter be arranged on the front view 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 tooth 4-1 of non-magnetic stainless steel sleeve 1, circular magnetic stainless steel baffle plate 2, permanent magnet 3, magnetic stainless steel cover 4, the facewidth such as not, output shaft 5, decelerator 6, axial magnetic circuit one pole facewidth deceleration type motor protecter 7, the motor 8 such as not.
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 axial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, the described axial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not comprises multiple axial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as not, and each axial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as not includes non-magnetic stainless steel sleeve 1, permanent magnet 3, magnetic stainless steel cover 4 and two circular magnetic stainless steel baffle plates 2;
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 disc-shape is arranged vertically, described two circular magnetic stainless steel baffle plates 2 are fixed on the two ends in non-magnetic stainless steel sleeve 1, and circular magnetic stainless steel baffle plate 2 reclines mutually with two end faces of the permanent magnet 3 of disc-shape, the middle part of two circular magnetic stainless steel baffle plates 2 is respectively equipped with axis hole, 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 two circular magnetic stainless steel baffle plates 2 are coaxially arranged, the inner peripheral surface of magnetic stainless steel cover 4 is processed with vertically the tooth 4-1 of several facewidth such as not, multiple axial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as not is coaxially arranged, during use, the output shaft 5 of described motor 8 penetrates multiple axial magnetic circuit one pole not etc. in the magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 and the axis hole of two circular magnetic stainless steel baffle plates 2, and each axial magnetic circuit one pole not etc. several facewidth such as or not the magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 the outside circle side face of tooth 4-1 and be equipped with gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates 2 and the output shaft 5 of motor 8.
The shape of the tooth 4-1 of the facewidth such as not on the inner peripheral surface of magnetic stainless steel cover 4 is not limit, and can be rectangular teeth, stepped tooth or lance tooth etc., convenient processing.
Multiple axial magnetic circuit one pole the facewidth deceleration type motor protecter 7 preferably spaced set vertically such as not, and its more effective reduction iron filings impurity etc. is entered in motor body.The quantity of the axial magnetic circuit one pole facewidth deceleration type motor protecter 7 such as is not determined according to space reserved between motor 8 and decelerator 6.
The polarity of adjacent two axial magnetic circuit one poles permanent magnet 3 of the disc-shape of facewidth deceleration type motor protecter 7 such as or not contrary, and object is: the consistency of holding structure, thus is beneficial to assembling.
Embodiment two: as depicted in figs. 1 and 2; axial magnetic circuit described in the embodiment one multistage one pole facewidth deceleration type motor protecter such as not, described each axial magnetic circuit one pole several outside circle side face of tooth 4-1 of the facewidth such as or not magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 and gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates 2 and the output shaft 5 of motor 8 such as is not 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; axial magnetic circuit described in the embodiment one or two multistage one pole facewidth deceleration type motor protecter such as not, the tooth depth of described multiple axial magnetic circuit one poles tooth 4-1 of several facewidth such as or not the magnetic stainless steel cover 4 of facewidth deceleration type motor protecter 7 such as or not all equal.Object is convenient processing.
Operation principle: as shown in Fig. 1 ~ Fig. 3, by multistage for axial magnetic circuit of the present invention one pole not etc. facewidth deceleration type motor protecter and motor 8 and decelerator 6 coaxially install, and to be 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 circular magnetic stainless steel baffle plate 2 and magnetic stainless steel cover 4, and can not suck the internal body of motor 8; The outside circle side face of the tooth 4-1 of several facewidth such as or not output shaft 5 and magnetic stainless steel due to motor 8 overlap 4 and the axle hole inner circle side face gap of two circular magnetic stainless steel baffle plates 2 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 axial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not, it is characterized in that: the described axial magnetic circuit multistage one pole facewidth deceleration type motor protecter such as not comprises multiple axial magnetic circuit one pole facewidth deceleration type motor protecter (7) such as not, each axial magnetic circuit one pole facewidth deceleration type motor protecter (7) such as not includes non-magnetic stainless steel sleeve (1), permanent magnet (3), magnetic stainless steel cover (4) and two circular magnetic stainless steel baffle plates (2);
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 disc-shape is arranged vertically, described two circular magnetic stainless steel baffle plates (2) are fixed on the two ends in non-magnetic stainless steel sleeve (1), and circular magnetic stainless steel baffle plate (2) reclines mutually with two end faces of the permanent magnet (3) of disc-shape, the middle part of two circular magnetic stainless steel baffle plates (2) is respectively equipped with axis hole, 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 two circular magnetic stainless steel baffle plates (2), the inner peripheral surface of magnetic stainless steel cover (4) is processed with vertically the tooth (4-1) of several facewidth such as not, multiple axial magnetic circuit one pole facewidth deceleration type motor protecter (7) such as not is coaxially arranged, during use, the output shaft (5) of described motor (8) penetrates multiple axial magnetic circuit one pole not etc. in the magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) and the axis hole of two circular magnetic stainless steel baffle plates (2), and each axial magnetic circuit one pole not etc. several facewidth such as or not the magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) the outside circle side face of tooth (4-1) and be equipped with gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates (2) and the output shaft (5) of motor (8).
2. the axial magnetic circuit according to claim 1 multistage one pole facewidth deceleration type motor protecter such as not, is characterized in that: described each axial magnetic circuit one pole several outside circle side face of tooth (4-1) of the facewidth such as or not magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) and gap between the axle hole inner circle side face of two circular magnetic stainless steel baffle plates (2) and the output shaft (5) of motor (8) such as is not 1 ~ 2mm.
3. the axial magnetic circuit according to claim 1 and 2 multistage one pole facewidth deceleration type motor protecter such as not, is characterized in that: the tooth depth of described multiple axial magnetic circuit one poles tooth (4-1) of several facewidth such as or not the magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) such as or not all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151034.5A CN104702026A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit multistage monopole tooth-width-unequal deceleration type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151034.5A CN104702026A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit multistage monopole tooth-width-unequal deceleration type motor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104702026A true CN104702026A (en) | 2015-06-10 |
Family
ID=53348880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151034.5A Pending CN104702026A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit multistage monopole tooth-width-unequal deceleration type motor protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104702026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149905A (en) * | 2018-08-13 | 2019-01-04 | 安徽金石拓机械有限公司 | A kind of overload protector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| CN201256334Y (en) * | 2008-08-06 | 2009-06-10 | 合肥皖化电机技术开发有限责任公司 | Furnace water pump motor having built-in magnetic filter |
| CN102755779A (en) * | 2012-06-21 | 2012-10-31 | 乐清市东风煤矿设备有限公司 | High-precision magnetic combining filter |
-
2015
- 2015-04-01 CN CN201510151034.5A patent/CN104702026A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| CN201256334Y (en) * | 2008-08-06 | 2009-06-10 | 合肥皖化电机技术开发有限责任公司 | Furnace water pump motor having built-in magnetic filter |
| CN102755779A (en) * | 2012-06-21 | 2012-10-31 | 乐清市东风煤矿设备有限公司 | High-precision magnetic combining filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149905A (en) * | 2018-08-13 | 2019-01-04 | 安徽金石拓机械有限公司 | A kind of overload protector |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |