CN104235167A - Deceleration buffer magnetic shield rotating shaft - Google Patents
Deceleration buffer magnetic shield rotating shaft Download PDFInfo
- Publication number
- CN104235167A CN104235167A CN201410493404.9A CN201410493404A CN104235167A CN 104235167 A CN104235167 A CN 104235167A CN 201410493404 A CN201410493404 A CN 201410493404A CN 104235167 A CN104235167 A CN 104235167A
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- rotating shaft
- iron plate
- shaft body
- spoke iron
- elastic sleeve
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Abstract
The invention relates to a deceleration buffer magnetic shield rotating shaft which comprises a rotating shaft body arranged at the axis position of a rotor, narrow iron plates, wide iron plates, a casing and a buffer seat, wherein the narrow iron plates and the wide iron plates are uniformly distributed on the surface of the rotating shaft body in the axial direction of the rotating shaft body at equal intervals; a magnetic shield bushing and a fixing sleeve are arranged between every two adjacent iron plates; a wind flowing plate is arranged on the outer side of each fixing sleeve; a key groove is formed in the tail end of each wide iron plate; a through hole and a through groove are respectively formed in the side face of each iron plate; a bump is arranged on the rotating shaft body; the casing is arranged on the outer side of the bump; the buffer seat is arranged at an inlet of the casing; symmetrical springs are arranged between an elastic sleeve between the buffer seat and the bump and the buffer seat; a friction piece is arranged on the elastic sleeve; a buffer tube is arranged in the buffer seat. A motor rotating shaft disclosed by the invention has the advantages of reduced integral weight, low energy consumption, good heat radiating performance and low work load; the rotating shaft is not easy to damage, so the maintenance cost is low and the service life is long.
Description
Technical field
The present invention relates to a kind of machine shaft, specifically a kind of deceleration buffer every magnetic rotating shaft.
Background technique
Existing machine shaft is generally made up of the rotor iron core that axle and its are fixedly installed, because whole rotor is real cored structure, the quality of rotor is large, and in the rotation process of rotor, axial stress change greatly, also exists rotor radiating effect bad simultaneously.Also there is the machine shaft be made up of axle and spoke iron plate in the market, thus decrease the weight of rotor, but stress on the machine shaft cross section of this structure is large, easily causes axle fracture, this motor ventilation poor performance, therefore can not well be applied simultaneously.And machine operation rotor magnetic field of gripping portion unshakable in one's determination can enter machine shaft, thus larger eddy current loss and shaft current can be caused in machine shaft inside, so not only the loss of electric machine can be increased, and shaft current can produce infringement to bearing, cause motor to occur quality problems, greatly reduce the life-span of motor.
Simultaneously due to rotating shaft in the course of the work, owing to being subject to very large effect of stress, rotating shaft is all the one end by controlling rotating shaft, and then control the rotating shaft the other end with the work of control machine, but the rotating shaft of this structure sustains damage greatly and often very much because of stressed, therefore the performance requirement of countershaft is more and more higher, the manufacture cost of rotating shaft is also more come also high, in order to reduce rotating shaft effect of stress in the course of the work, improve the working life of rotating shaft, just must improve existing turning shaft structure, to weaken the working load of rotating shaft.
Summary of the invention
The object of the present invention is to provide that a kind of quality is good, deceleration buffer that the life-span is long every magnetic rotating shaft, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme:
A kind of deceleration buffer every magnetic rotating shaft, comprise the rotating shaft body be located in rotor, narrow spoke iron plate, wide spoke iron plate, housing and buffing pad, the axial direction of described rotating shaft body offers center hole, rotating shaft body is arranged on the axial location of rotor, described narrow spoke iron plate and wide spoke iron plate are distributed on rotating shaft body surface along the axis of rotating shaft body uniformly, be provided with every magnetic lining between adjacent narrow spoke iron plate and wide spoke iron plate, fixed cover is arranged with outside magnetic lining, the stream aerofoil be positioned at outside fixed cover is also provided with between adjacent narrow spoke iron plate and wide spoke iron plate, the end of described wide spoke iron plate is provided with keyway, the side of wide spoke iron plate and narrow spoke iron plate all offers symmetrical through hole, wide spoke iron plate and the side of narrow spoke iron plate also all offer along rotating shaft body radial direction and the groove be communicated with through hole, described rotating shaft body is also provided with projection, described housing is arranged on protruding outside, and rotating shaft body passes housing and is flexibly connected with housing, described buffing pad is arranged on the inlet of housing, and buffing pad and case entrances coincide, elastic sleeve is provided with between buffing pad and projection, symmetrical spring is connected with between elastic sleeve and buffing pad, elastic sleeve and buffing pad form hydraulic pressure cavity, elastic sleeve is provided with friction piece, and friction piece is between elastic sleeve and projection, in described buffing pad, be provided with the separator tube with hydraulic chamber into communication.
As the further scheme of the present invention: described narrow spoke iron plate and wide spoke iron plate are equipped with two pieces or three pieces, and described keyway is provided with one.
As the further scheme of the present invention: described separator tube is S-type.
As the present invention's further scheme: described spring is provided with multiple around the circumference of elastic sleeve, and elastic sleeve is along with hydraulic pressure cavity internal pressure deformation retract.
Compared with prior art, the invention has the beneficial effects as follows: the rotating shaft of hollow core structure of the present invention not only own wt alleviates, but also adds the ventilating problem of motor internal, reduce the temperature in motor; The iron plate arranged changes the overall structure of original rotor, alleviates the overall weight of rotor and axle; What arrange can weaken the magnetic flux of rotor iron core in rotating shaft greatly every magnetic lining, reduce the energy ezpenditure caused by eddy current in shaft current and rotating shaft, therefore also reduce the damage probability of rotating shaft, reduce maintenance frequency and the replacement frequency of rotating shaft, reduce the maintenance expenses of equipment; The setting of stream aerofoil improves the inner ventilation of motor, reduces the temperature in motor, extends the life-span of rotating shaft and motor; The speed governing buffer of the output terminal setting of rotating shaft, can reduce the rotating shaft of High Rotation Speed slowly, prevent the damage that traditional rotating shaft causes because of quick deceleration, reduce the working load of rotating shaft, extend the working life of rotating shaft.
Accompanying drawing explanation
Fig. 1 is the schematic diagram every magnetic rotating shaft of deceleration buffer.
Fig. 2 is the schematic diagram of iron plate position in deceleration buffer.
In figure: 1-rotating shaft body; The wide spoke iron plate of 2-; The narrow spoke iron plate of 3-; 4-flows aerofoil; 5-keyway; 6-is every magnetic lining; 7-fixed cover; 8-rotor; 9-through hole; 10-groove; 11-housing; 12-buffing pad; 13-separator tube; 14-spring; 15-elastic sleeve; 16-friction piece; 17-hydraulic pressure cavity; 18-is protruding.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 2, in the embodiment of the present invention, a kind of deceleration buffer every magnetic rotating shaft, comprise the narrow spoke iron plate of rotating shaft 1, three pieces 3, three pieces of wide spoke iron plates 2, housing 11 and buffing pads 12 of being fixed in rotor 8, the rotating shaft 1 of hollow-core construction not only own wt alleviates, but also add the ventilating problem of motor internal, reduce the temperature in motor; Rotating shaft 1 is arranged on the axial location of rotor 8, and narrow spoke iron plate 3 and wide spoke iron plate 2 are distributed in rotating shaft 1 on the surface uniformly along the axis of rotating shaft 1, and the iron plate of setting changes the overall structure of original rotor, alleviates the overall weight of rotor and axle; Be provided with every magnetic lining 6 between adjacent narrow spoke iron plate 3 and wide spoke iron plate 2, fixed cover 7 is arranged with outside magnetic lining 6, that the non-magnet material such as stainless steel, copper is made every magnetic lining 6, greatly reduce the magnetic flux of rotor iron core in rotating shaft, reduce the energy ezpenditure caused by the eddy current in shaft current and rotating shaft, therefore also reduce the damage probability of rotating shaft, reduce maintenance frequency and the replacement frequency of rotating shaft, reduce the maintenance expenses of equipment.
The stream aerofoil 4 be positioned at outside fixed cover 7 is also provided with between adjacent narrow spoke iron plate 3 and wide spoke iron plate 2, the end of one of them wide spoke iron plate 2 is provided with keyway 5, the side of wide spoke iron plate 2 and narrow spoke iron plate 3 all offers symmetrical through hole 9, wide spoke iron plate 2 and the side of narrow spoke iron plate 3 also all offer along rotating shaft body 1 radial direction and the groove 10 be communicated with through hole 9, stream aerofoil 4 and through hole 9, effect between groove 10, improve the inner ventilation of motor, reduce the temperature in motor, extend the life-span of rotating shaft and motor.
Rotating shaft body 1 is also provided with protruding 18, housing 11 is arranged on the outside of protruding 18, and rotating shaft body 1 passes housing 11 and is flexibly connected with housing 11, rotating shaft body 1 rotates in fixing housing 11, buffing pad 12 is arranged on the inlet of housing 11 and keeps sealing state, buffing pad 12 coincide with housing 11 import, elastic sleeve 15 is provided with between buffing pad 12 and protruding 18, symmetrical spring 14 is connected with between elastic sleeve 15 and buffing pad 12, spring 14 is provided with multiple around the circumference of elastic sleeve 15, elastic sleeve 15 and buffing pad 12 form hydraulic pressure cavity 17, and elastic sleeve 15 is along with hydraulic pressure cavity 17 internal pressure deformation retract, elastic sleeve 15 is provided with friction piece 16, and friction piece 16 is between elastic sleeve 15 and protruding 18, friction piece 16 is with protruding 18 processes contacted, protruding 18 can damage, therefore the projection 18 arranged can extend the working life of rotating shaft, the S type separator tube 13 be communicated with hydraulic pressure cavity 17 is provided with in buffing pad 12, in hydraulic pressure cavity 17, hydraulic oil is filled with by separator tube 13, rotating shaft body 1 is when High Rotation Speed, friction piece 16 is in clutch state with the projection 18 on rotating shaft body 1, when rotating shaft body 1 will be controlled to slow down, in buffer cavity 17, hydraulic oil is filled with by the hydraulic controller and separator tube 13 that control the external world, the pressure of hydraulic pressure cavity 17 increases gradually, elastic sleeve 15 shrinks at the deform under pressure of hydraulic oil, friction piece 16 slowly contacts with the projection 18 rotated, pressure is applied in the projection 18 of rotating shaft body 1, the speed of rotating shaft body 1 is slowed down gradually, prevent the damage that rotating shaft body 1 brings because speed reduces fast.`
When motor-driven rotatable shaft body 1 rotates, rotating shaft body 1 is subject to huge effect of stress, the degree that rotating shaft body 1 damages strengthens, its rate of decay is also accelerated, and therefore arranges dash-pot at the output shaft end of rotating shaft body 1, to carry rotating shaft body 1 part effect of stress in the course of the work, the rotational speed of buffering rotating shaft, to reduce the working load of rotating shaft body 1, extend the working life of rotating shaft body 1, reduce maintenance cost.
Claims (4)
1. a deceleration buffer every magnetic rotating shaft, comprise the rotating shaft body (1) be located in rotor (8), narrow spoke iron plate (3), wide spoke iron plate (2), housing (11) and buffing pad (12), it is characterized in that, the axial direction of described rotating shaft body (1) offers center hole, rotating shaft body (1) is arranged on the axial location of rotor (8), described narrow spoke iron plate (3) and wide spoke iron plate (2) are distributed in rotating shaft body (1) on the surface uniformly along the axis of rotating shaft body (1), be provided with every magnetic lining (6) between adjacent narrow spoke iron plate (3) and wide spoke iron plate (2), fixed cover (7) is arranged with every magnetic lining (6) outside, the stream aerofoil (4) being positioned at fixed cover (7) outside is also provided with between adjacent narrow spoke iron plate (3) and wide spoke iron plate (2), the end of described wide spoke iron plate (2) is provided with keyway (5), the side of wide spoke iron plate (2) and narrow spoke iron plate (3) all offers symmetrical through hole (9), wide spoke iron plate (2) and the side of narrow spoke iron plate (3) also all offer along rotating shaft body (1) radial direction and the groove (10) be communicated with through hole (9), described rotating shaft body (1) is also provided with projection (18), described housing (11) is arranged on the outside of projection (18), and rotating shaft body (1) to be flexibly connected with housing (11) through housing (11), described buffing pad (12) is arranged on the inlet of housing (11), and buffing pad (12) coincide with housing (11) import, elastic sleeve (15) is provided with between buffing pad (12) and protruding (18), symmetrical spring (14) is connected with between elastic sleeve (15) and buffing pad (12), elastic sleeve (15) and buffing pad (12) form hydraulic pressure cavity (17), elastic sleeve (15) is provided with friction piece (16), and friction piece (16) is positioned between elastic sleeve (15) and protruding (18), the separator tube (13) be communicated with hydraulic pressure cavity (17) is provided with in described buffing pad (12).
2. deceleration buffer according to claim 1 every magnetic rotating shaft, it is characterized in that, described narrow spoke iron plate (3) and wide spoke iron (2) plate are equipped with two pieces or three pieces, and described keyway (5) is provided with one.
3. the rotating shaft of band speed governing buffer according to claim 1, is characterized in that, described separator tube (13) is S-type.
4. the rotating shaft of band speed governing buffer according to claim 1, is characterized in that, described spring (14) is provided with multiple around the circumference of elastic sleeve (15), and elastic sleeve (15) is along with hydraulic pressure cavity (17) internal pressure deformation retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493404.9A CN104235167B (en) | 2014-09-24 | 2014-09-24 | A kind of deceleration buffer every magnetic rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493404.9A CN104235167B (en) | 2014-09-24 | 2014-09-24 | A kind of deceleration buffer every magnetic rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104235167A true CN104235167A (en) | 2014-12-24 |
| CN104235167B CN104235167B (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410493404.9A Expired - Fee Related CN104235167B (en) | 2014-09-24 | 2014-09-24 | A kind of deceleration buffer every magnetic rotating shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN104235167B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109468716A (en) * | 2018-09-21 | 2019-03-15 | 浙江龙仕达纺织科技有限公司 | A kind of twisting mill actinobacillus device having buffering effect |
| CN110912332A (en) * | 2019-11-15 | 2020-03-24 | 广州尚诚智能科技有限公司 | Excitation motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783241A (en) * | 1990-06-21 | 1995-03-28 | J M Voith Gmbh | Friction clutch |
| US20100283252A1 (en) * | 2009-05-08 | 2010-11-11 | Fradella Richard B | Broad speed range generator |
| CN102606611A (en) * | 2012-03-06 | 2012-07-25 | 山西省电力公司电力科学研究院 | Motor rotating shaft with spoke iron plates |
| CN103148135A (en) * | 2013-03-04 | 2013-06-12 | 长沙理工大学 | Yaw brake used for diaphragm-type wind generator set |
-
2014
- 2014-09-24 CN CN201410493404.9A patent/CN104235167B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783241A (en) * | 1990-06-21 | 1995-03-28 | J M Voith Gmbh | Friction clutch |
| US20100283252A1 (en) * | 2009-05-08 | 2010-11-11 | Fradella Richard B | Broad speed range generator |
| CN102606611A (en) * | 2012-03-06 | 2012-07-25 | 山西省电力公司电力科学研究院 | Motor rotating shaft with spoke iron plates |
| CN103148135A (en) * | 2013-03-04 | 2013-06-12 | 长沙理工大学 | Yaw brake used for diaphragm-type wind generator set |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109468716A (en) * | 2018-09-21 | 2019-03-15 | 浙江龙仕达纺织科技有限公司 | A kind of twisting mill actinobacillus device having buffering effect |
| CN109468716B (en) * | 2018-09-21 | 2021-02-02 | 浙江龙仕达科技股份有限公司 | Twisting frame pay-off that possesses buffering effect |
| CN110912332A (en) * | 2019-11-15 | 2020-03-24 | 广州尚诚智能科技有限公司 | Excitation motor |
| CN110912332B (en) * | 2019-11-15 | 2020-12-18 | 浙江德硕电器有限公司 | Excitation motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104235167B (en) | 2017-07-14 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20190924 |