CN104702019A - Axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector - Google Patents
Axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector Download PDFInfo
- Publication number
- CN104702019A CN104702019A CN201510150971.9A CN201510150971A CN104702019A CN 104702019 A CN104702019 A CN 104702019A CN 201510150971 A CN201510150971 A CN 201510150971A CN 104702019 A CN104702019 A CN 104702019A
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- China
- Prior art keywords
- stainless steel
- magnetic stainless
- motor
- tooth
- facewidth
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- 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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Classifications
-
- 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 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. 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 of the nonmagnetic stainless steel sleeve; a magnetic stainless steel sleeve is fixedly arranged in an installation hole in the middle 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. When the axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector is used, an output shaft of the motor penetrates through the magnetic stainless steel sleeve and the axle holes of the two circular magnetic stainless steel baffles, and gaps are formed both between the tooth top peripheral surfaces of the multiple teeth with the unequal tooth widths of the magnetic stainless steel sleeve and the output shaft of the motor and between the inner peripheral surfaces of the axle holes of the two circular magnetic stainless steel baffles and the output shaft of the motor. The axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector is applied to motor protection occasions.
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 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 one pole facewidth deceleration type motor protecter such as not, the described axial magnetic circuit one pole facewidth deceleration type motor protecter such as not comprises 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, during use, the output shaft of described motor passes the axis hole of magnetic stainless steel cover and two circular magnetic stainless steel baffle plates, and the outside circle side face of tooth of several facewidth such as not of magnetic stainless steel cover 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:
1, the facewidth deceleration type motor protecter that adopts axial magnetic circuit one pole of the present invention not etc., 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, all materials also can be easier to obtain, and increase less for whole device cost, but the effect highly significant of electric motor protecting.Practice shows, after being provided with protector of the present invention, effectively can improve motor useful life more than 16%, reduce motor operation expense more than 10%, 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.
Accompanying drawing explanation
Fig. 1 is the axial magnetic circuit one pole of the present invention main cutaway view of facewidth deceleration type motor protecter such as not;
Fig. 2 be by axial magnetic circuit one pole of the present invention 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:
Tooth 4-1, output shaft 5, decelerator 6, motor protecter 7, the motor 8 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.
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 one pole facewidth deceleration type motor protecter such as not, the described axial magnetic circuit one pole facewidth deceleration type motor protecter such as not comprises 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, during use, the output shaft 5 of described motor 8 passes the axis hole of magnetic stainless steel cover 4 and two circular magnetic stainless steel baffle plates 2, and the outside circle side face of tooth 4-1 of several facewidth such as not of magnetic stainless steel cover 4 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.
Embodiment two: as depicted in figs. 1 and 2; axial magnetic circuit one pole described in embodiment one facewidth deceleration type motor protecter such as not, several outside circle side face of tooth 4-1 of the facewidth such as or not described magnetic stainless steel cover 4 and the 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 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 protecter such as or not the axial magnetic circuit one pole described in embodiment one or two, the tooth depth of the tooth 4-1 of several facewidth such as or not described magnetic stainless steel cover 4 is all equal.Object is convenient processing.
Operation principle: as shown in Fig. 1 ~ Fig. 3, coaxially installs motor protecter 7 of the present invention with 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 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 one pole facewidth deceleration type motor protecter such as not, is characterized in that: the described axial magnetic circuit one pole facewidth deceleration type motor protecter such as not comprises 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, during use, the output shaft (5) of described motor (8) passes the axis hole of magnetic stainless steel cover (4) and two circular magnetic stainless steel baffle plates (2), and the outside circle side face of tooth (4-1) of several facewidth such as not of magnetic stainless steel cover (4) 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 one pole according to claim 1 facewidth deceleration type motor protecter such as not, is characterized in that: several outside circle side face of tooth (4-1) of the facewidth such as or not described magnetic stainless steel cover (4) and the 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) are 1 ~ 2mm.
3. the axial magnetic circuit one pole according to claim 1 and 2 facewidth deceleration type motor protecter such as not, is characterized in that: the tooth depth of the tooth (4-1) of several facewidth such as or not described magnetic stainless steel cover (4) is all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150971.9A CN104702019A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150971.9A CN104702019A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104702019A true CN104702019A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150971.9A Pending CN104702019A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit monopole tooth-width-unequal deceleration type motor protector |
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|---|---|
| CN (1) | CN104702019A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097040U (en) * | 1991-06-30 | 1992-02-26 | 赵承树 | Magnetic separator |
| CN201112026Y (en) * | 2007-07-20 | 2008-09-10 | 上海金发科技发展有限公司 | Outer casing of magnetic stick |
| CN201423216Y (en) * | 2009-03-26 | 2010-03-17 | 窦淑敏 | Lubricant oil filter with magnetizer |
| 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 CN201510150971.9A patent/CN104702019A/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 |
| CN201112026Y (en) * | 2007-07-20 | 2008-09-10 | 上海金发科技发展有限公司 | Outer casing of magnetic stick |
| CN201423216Y (en) * | 2009-03-26 | 2010-03-17 | 窦淑敏 | Lubricant oil filter with magnetizer |
| 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 |
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Application publication date: 20150610 |