CN104702022A - Radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector - Google Patents
Radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector Download PDFInfo
- Publication number
- CN104702022A CN104702022A CN201510150994.XA CN201510150994A CN104702022A CN 104702022 A CN104702022 A CN 104702022A CN 201510150994 A CN201510150994 A CN 201510150994A CN 104702022 A CN104702022 A CN 104702022A
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- Prior art keywords
- stainless steel
- magnetic stainless
- facewidth
- motor
- 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
- 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)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention provides a radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector and belongs to the technical field of motor protection devices. The radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector aims at solving the problem that at present, due to the fact that no motor protector exists, the using performance of a motor is reduced, the service life of the motor is shortened, and the maintenance cost of the motor is increased. A disk-shaped permanent magnet is fixedly installed in a non-magnetic stainless steel sleeve, two round magnetic stainless steel baffles are fixed to two ends in the non-magnetic stainless steel sleeve, a magnetic stainless steel sleeve is fixed in an installing hole formed in the disk-shaped permanent magnet and is coaxial with shaft holes of the two round magnetic stainless steel baffles, and a plurality of equal-tooth-width teeth are machined on the inner circumferential face of the magnetic stainless steel sleeve in the radial direction. An output shaft of the motor penetrates through multiple radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protectors, and gaps are reserved between the circumferential faces of tooth crests of the equal-tooth-width teeth of the magnetic stainless steel sleeve and the output shaft of the motor and between the inner circumferential faces of the shaft holes of the two round magnetic stainless steel baffles and the output shaft of the motor. The radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector is used in a larger-space occasion and used for motor protection.
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 one pole 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 one pole of radial magnetic circuit, the facewidth deceleration type motor protecters such as the facewidth deceleration type motor protecters such as the described multistage one pole of radial magnetic circuit comprise the facewidth deceleration type motor protecters such as multiple radial magnetic circuit one poles, each radial magnetic circuit one pole include 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 disposed radially, 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 the facewidth such as several, the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit one poles are coaxially arranged, during use, the output shaft of described motor passes the magnetic stainless steel cover of the facewidth deceleration type motor protecters such as multiple radial magnetic circuit one poles and the axis hole of circular magnetic stainless steel baffle plate, and the outside circle side face of tooth of the facewidth such as several of the magnetic stainless steel of the facewidth deceleration type motor protecters such as each radial magnetic circuit one pole 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 8.
The present invention relative to the beneficial effect of prior art is:
1, adopt the facewidth deceleration type motor protecters such as the multistage one pole 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 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 the facewidth such as several, 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 facewidth deceleration type motor protecters such as the multistage one pole 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 one pole 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 one pole 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 one pole 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 one pole of radial magnetic circuit, the facewidth deceleration type motor protecters 7 such as the facewidth deceleration type motor protecters such as the described multistage one pole of radial magnetic circuit comprise the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit one poles, each radial magnetic circuit one pole include 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 disposed radially, 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 the facewidth such as several, the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit one poles are coaxially arranged, during use, the output shaft 5 of described motor 8 passes the magnetic stainless steel cover 4 of the facewidth deceleration type motor protecters 7 such as multiple radial magnetic circuit one poles and the axis hole of circular magnetic stainless steel baffle plate 2, and the outside circle side face of tooth 4-1 of the facewidth such as several of the magnetic stainless steel of the facewidth deceleration type motor protecters 7 such as each radial magnetic circuit one pole 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.
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 one poles, 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 one pole is determined according to space reserved between motor 8 and decelerator 6.
The N pole of the permanent magnet 3 of the disc-shape of the facewidth deceleration type motor protecters 7 such as each radial magnetic circuit one pole is disposed adjacent with non-magnetic stainless steel sleeve 1; the S pole of the permanent magnet 3 of the disc-shape of the facewidth deceleration type motor protecters 7 such as each radial magnetic circuit one pole is overlapped 4 with magnetic stainless steel and is disposed adjacent, thus makes the closed magnetic circuit that formed between axle system, air gap, permanent magnet.
Embodiment two: as depicted in figs. 1 and 2; the facewidth deceleration type motor protecters such as the multistage one pole of radial magnetic circuit described in embodiment one, the outside circle side face of tooth 4-1 of the facewidth such as several of magnetic stainless steel cover 4 of the facewidth deceleration type motor protecters 7 such as described each radial magnetic circuit one pole 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 protecters such as the multistage one pole 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 the magnetic stainless steel cover 4 of the facewidth deceleration type motor protecters 7 such as described multiple radial magnetic circuit one poles 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 one pole 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 circular magnetic stainless steel baffle plate 2 and 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 two circular magnetic stainless steel baffle plates 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 one pole of radial magnetic circuit, it is characterized in that: the facewidth deceleration type motor protecters (7) such as the facewidth deceleration type motor protecters such as the described multistage one pole of radial magnetic circuit comprise the facewidth deceleration type motor protecters (7) such as multiple radial magnetic circuit one poles, each radial magnetic circuit one pole include 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 disposed radially, 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 the facewidth such as several, the facewidth deceleration type motor protecters (7) such as multiple radial magnetic circuit one poles are coaxially arranged, during use, the output shaft (5) of described motor (8) passes the magnetic stainless steel cover (4) of facewidth deceleration type motor protecter (7) and the axis holes of circular magnetic stainless steel baffle plate (2) such as multiple radial magnetic circuit one poles, and the outside circle side face of tooth (4-1) of the facewidth such as several of the magnetic stainless steel cover (4) of the facewidth deceleration type motor protecters (7) such as each radial magnetic circuit one pole 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 facewidth deceleration type motor protecter such as multistage one pole 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 the magnetic stainless steel cover (4) of the facewidth deceleration type motor protecters (7) such as described each radial magnetic circuit one pole 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 facewidth deceleration type motor protecter such as multistage one pole 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 the magnetic stainless steel cover (4) of the facewidth deceleration type motor protecters (7) such as described multiple radial magnetic circuit one poles is all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150994.XA CN104702022A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150994.XA CN104702022A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104702022A true CN104702022A (en) | 2015-06-10 |
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ID=53348876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150994.XA Pending CN104702022A (en) | 2015-04-01 | 2015-04-01 | Radial magnetic circuit multistage monopole equal-tooth-width speed reduction type motor protector |
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| Country | Link |
|---|---|
| CN (1) | CN104702022A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11178282A (en) * | 1997-12-12 | 1999-07-02 | Railway Technical Res Inst | Iron powder remover for ventilation cooling system rotating electric machine |
| CN1299302A (en) * | 1998-05-08 | 2001-06-13 | 约翰·马龙 | Magnetic filtration system |
| JP2002300750A (en) * | 2001-03-29 | 2002-10-11 | Railway Technical Res Inst | Iron powder removal device for air-cooled rotary electric machine |
| 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 CN201510150994.XA patent/CN104702022A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11178282A (en) * | 1997-12-12 | 1999-07-02 | Railway Technical Res Inst | Iron powder remover for ventilation cooling system rotating electric machine |
| CN1299302A (en) * | 1998-05-08 | 2001-06-13 | 约翰·马龙 | Magnetic filtration system |
| JP2002300750A (en) * | 2001-03-29 | 2002-10-11 | Railway Technical Res Inst | Iron powder removal device for air-cooled rotary electric machine |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 张杨: ""发展潜油电机驱动螺杆泵之管见"", 《石油矿场机械》 * |
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Application publication date: 20150610 |
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| WD01 | Invention patent application deemed withdrawn after publication |