CN104810982A - Axial magnetic circuit single-pole equal-tooth-width speed reduction type motor protector - Google Patents
Axial magnetic circuit single-pole equal-tooth-width speed reduction type motor protector Download PDFInfo
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- CN104810982A CN104810982A CN201510151050.4A CN201510151050A CN104810982A CN 104810982 A CN104810982 A CN 104810982A CN 201510151050 A CN201510151050 A CN 201510151050A CN 104810982 A CN104810982 A CN 104810982A
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Abstract
The invention provides an axial magnetic circuit single-pole equal-tooth-width speed reduction type motor protector, belongs to the technical field of motor protection equipment, and aims at solving the problems of small use performance and service life of a motor and high motor repair cost due to the shortage of motor protectors at present. The motor protector is that a disc shaped permanent magnet is fixedly mounted into a non-magnetic-conductive stainless steel sleeve; two circular magnetic conductive stainless steel baffles are fixed to two inner ends of the non-magnetic-conductive stainless steel sleeve; a magnetic-conductive stainless steel sleeve is fixed into a mounting hole in the middle part of the disc shaped permanent magnet and is coaxial to shaft holes in the two circular magnetic conductive stainless steel baffles; a plurality of teeth with the same width are axially processed on the inner circumferential surface of the magnetic-conductive stainless steel sleeve; when in use, an output shaft of the motor passes through the magnetic-conductive stainless steel sleeve and the shaft holes in the two circular magnetic conductive stainless steel baffles; gaps are formed between the top circumferential surfaces of the plurality of teeth with the same width on the magnetic-conductive stainless steel sleeve, the inner circumferential surfaces of the shaft holes in the two circular magnetic conductive stainless steel baffles and the output shaft of the motor. The motor protector is applied to the motor protection condition.
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 a kind of axial magnetic circuit one pole, 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 axial magnetic circuit one pole, the facewidth deceleration type motor protecters such as described axial magnetic circuit one pole comprise 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 the facewidth such as several, 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 the facewidth such as several 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, adopt the facewidth deceleration type motor protecters such as axial magnetic circuit one pole 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, 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 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.
Accompanying drawing explanation
Fig. 1 is the main cutaway views of facewidth deceleration type motor protecter such as axial magnetic circuit one pole of the present invention;
Fig. 2 is the front view be arranged on by the facewidth deceleration type motor protecters such as axial magnetic circuit one pole 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. tooth 4-1, output shaft 5, decelerator 6, motor protecter 7, the motor 8 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 axial magnetic circuit one pole, the facewidth deceleration type motor protecters such as described axial magnetic circuit one pole comprise 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 the facewidth such as several, 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 the facewidth such as several 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.
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.
Embodiment two: as depicted in figs. 1 and 2; the facewidth deceleration type motor protecters such as the axial magnetic circuit one pole described in embodiment one, the outside circle side face of tooth 4-1 of the facewidth such as several of 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 protecters such as the axial magnetic circuit one pole described in embodiment one or two, the tooth depth of the tooth 4-1 of the facewidth such as several of 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 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 axial magnetic circuit one pole, is characterized in that: the facewidth deceleration type motor protecters such as described axial magnetic circuit one pole comprise 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 the facewidth such as several, 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 the facewidth such as several 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 facewidth deceleration type motor protecter such as axial magnetic circuit one pole 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 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 facewidth deceleration type motor protecter such as axial magnetic circuit one pole 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 magnetic stainless steel cover (4) is all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151050.4A CN104810982A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit single-pole equal-tooth-width speed reduction type motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151050.4A CN104810982A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit single-pole equal-tooth-width speed reduction type motor protector |
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| Publication Number | Publication Date |
|---|---|
| CN104810982A true CN104810982A (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151050.4A Pending CN104810982A (en) | 2015-04-01 | 2015-04-01 | Axial magnetic circuit single-pole equal-tooth-width speed reduction type motor protector |
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| CN (1) | CN104810982A (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 CN201510151050.4A patent/CN104810982A/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: 20150729 |