CN207218440U - Low noise threephase asynchronous - Google Patents
Low noise threephase asynchronous Download PDFInfo
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- CN207218440U CN207218440U CN201720987927.8U CN201720987927U CN207218440U CN 207218440 U CN207218440 U CN 207218440U CN 201720987927 U CN201720987927 U CN 201720987927U CN 207218440 U CN207218440 U CN 207218440U
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- fan housing
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Abstract
The utility model discloses a kind of low noise threephase asynchronous, it is related to technical field of motors, it includes fixed seat, outlet box, bearing end cover, reinforcement, heat emission fan, internal bearing cover, fan housing, abatvoix, rotor, suspension ring, stator, casing, end cap, spring bearing, main shaft, casing is provided with above fixed seat, cabinet top is provided with suspension ring, outlet box is provided with chassis sidewall, casing front end is provided with end cap, casing rear end is provided with fan housing, fan housing inner surface setting has reinforcement, casing center is fixed with main shaft by spring bearing, main shaft tail is provided with heat emission fan, rotor is provided with the middle part of main shaft, rotor exterior is provided with stator, abatvoix is provided with casing inner wall, internal bearing cover is provided with the inside of spring bearing.It can reduce mechanical oscillation during motor operation, reduce mechanicalness noise, while separate absorption can be carried out to electromagnetic noise, the outflow of deceleration noise, improve the use range of motor, extend the service life of motor.
Description
Technical field
It the utility model is related to and be related to low noise threephase asynchronous, belong to technical field of motors.
Background technology
Asynchronous motor is widely used in industrial and agricultural production and daily life, with production technology and use environment requirement
Raising, since proposing noise objective first from Y-series motor, till now Y3 series motor, China makes an uproar to motor
The requirement of sound is more and more stricter.Threephase asynchronous is the threephase asynchronous machine for making motor running.Three-phase asynchronous electric
The rotating speed of machine rotor be less than rotating excitation field rotating speed, rotor windings because between magnetic field there is relative motion and induced electromotive force and
Electric current, and electromagnetic torque is produced with magnetic field interaction, realize energy conversion.It is phase asynchronous compared with monopole asynchronous motor
Motor running performance is good, and can save various materials.By the difference of rotor structure, threephase asynchronous can be divided into cage and
Two kinds of Wound-rotor type.The Induction Motor Structure of cage rotor is simple, reliable, in light weight, cheap, has obtained extensive
Using.With the growth in motor usage time and life-span, motor can produce noise, and the noise of motor running is listened people
Power has huge injury, and because noise caused by motor oscillating can influence the service life of motor.Therefore invention one is needed
Kind low noise threephase asynchronous, reduces the noise in motor operation course, reduces noise pollution.
Utility model content
In view of the above-mentioned problems, the technical problems to be solved in the utility model is to provide low noise threephase asynchronous.
Low noise threephase asynchronous of the present utility model, it include fixed seat, outlet box, bearing end cover, reinforcement,
Heat emission fan, internal bearing cover, fan housing, abatvoix, rotor, suspension ring, stator, casing, end cap, spring bearing, main shaft, fixed seat top
Casing is provided with, cabinet top is provided with suspension ring, and outlet box is provided with chassis sidewall, and casing front end is provided with end cap, casing
Rear end is provided with fan housing, and fan housing inner surface setting has reinforcement, and casing center is fixed with main shaft, main shaft tail by spring bearing
Heat emission fan is provided with, rotor is provided with the middle part of main shaft, rotor exterior is provided with stator, and abatvoix is provided with casing inner wall, branch
Internal bearing cover is provided with the inside of support bearing, bearing end cover is provided with the outside of spring bearing.
Preferably, described fixed seat and casing is molded as one, casing is molded one-shot forming using aluminium alloy, so
The weight of motor can be caused by setting, and easy to process, improve the production efficiency of motor.
Preferably, described fan housing is fixed by screws in casing rear, the thickness of fan housing is 2mm-3mm, after fan housing
Ventilation slot is formed on end face, so setting can conveniently carry out radiating with wind, avoid motor internal coil because temperature is too high
And burn, while thicker outer wall is avoided because fan housing deformation caused by colliding with.
Preferably, described reinforcement is welded on inside fan housing in the shape of a spiral, the thickness of reinforcement is not less than 1mm, this
Sample sets the intensity that can further increase fan housing, reduces fan housing on year-on-year basis and big vibrations occur using process in motor,
Avoid producing noise.
Preferably, described heat emission fan is fixed on main shaft by key connection, the blade of heat emission fan is apart from reinforcement
Distance is not less than 10mm, and the normal ventilation and heat of motor can be ensured by so setting, and avoids fan housing deformation from causing heat emission fan
Influence, while increase airspace, avoid fan housing and reinforcement because of the effect of wind-force and larger vibrations occur.
Preferably, described abatvoix is fixed by screws on casing inner wall, the thickness of abatvoix is 3mm-5mm,
Marine glue is coated between abatvoix and casing inner wall, so setting can make abatvoix is firm to be fixed on casing, effectively
Prevent external water from causing the damage of motor into motor internal, while caused electromagnetic noise in motor operation course can be absorbed
And mechanical noise, improve muting function.
Preferably, described end cap is fixed by screws in casing money all on end face, spring bearing is embedded in end cap
Centre, internal bearing cover and bearing end cover be fixed by screws on end cap inside and outside wall, and internal bearing cover and bearing end cover and main shaft connect
At least one dust-proof seal ring is each provided with contacting surface, so setting can make main shaft fixation more firm, while avoid outside
Dust enter the normal use for being made and spring bearing being influenceed in bearing.
The beneficial effects of the utility model：The low noise threephase asynchronous can reduce machinery during motor operation
Vibration, mechanicalness noise is reduced, while separate absorption can be carried out to electromagnetic noise, the outflow of deceleration noise, improve motor
Use range, extend the service life of motor.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is half sectional view of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is fan housing structure sketch of the present utility model.
1- fixed seats；2- outlet boxes；3- bearing end covers；4- reinforcements；5- heat emission fans；6- internal bearing covers；7- fan housings；8- inhales
Soundboard；9- rotors；10- suspension ring；11- stators；12- casings；13- end caps；14- spring bearings；15- main shafts.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, present embodiment uses following technical scheme：It includes fixed seat 1, outlet
Box 2, bearing end cover 3, reinforcement 4, heat emission fan 5, internal bearing cover 6, abatvoix 87, abatvoix, rotor 9, suspension ring 10, stator 11,
Casing 12, end cap 13, spring bearing 14, main shaft 15, the top of fixed seat 1 are provided with casing 12, and the top of casing 12 is provided with suspension ring
10, outlet box 2 is provided with the side wall of casing 12, the front end of casing 12 is provided with end cap 13, and the rear end of casing 12 is provided with abatvoix 87,
The inner surface setting of abatvoix 87 has reinforcement 4, and the center of casing 12 is fixed with main shaft 15 by spring bearing 14, and the afterbody of main shaft 15 is set
Heat emission fan 5 is equipped with, the middle part of main shaft 15 is provided with rotor 9, stator 11 is provided with outside rotor 9, suction is provided with the inwall of casing 12
Soundboard, internal bearing cover 6 is provided with the inner side of spring bearing 14, the outside of spring bearing 14 is provided with bearing end cover 3.
Wherein, described fixed seat 1 and casing 12 are molded as one, and casing 12 is molded one-shot forming using aluminium alloy, this
Sample sets the weight that can cause motor, and easy to process, improves the production efficiency of motor；Described abatvoix 87 is logical
To cross screw and be fixed on the rear of casing 12, the thickness of abatvoix 87 is 2mm-3mm, and ventilation slot is formed on the rear end face of abatvoix 87,
So setting can conveniently carry out radiating with wind, avoid motor internal coil from being burnt because temperature is too high, at the same it is thicker outside
Wall avoids because abatvoix 87 caused by colliding with deforms；Described reinforcement 4 is welded on inside abatvoix 87 in the shape of a spiral, is added
The thickness of strengthening tendons 4 is not less than 1mm, so sets the intensity that can further increase abatvoix 87, reduces abatvoix 87 on year-on-year basis
In motor using the big vibrations of the generation of process, avoid producing noise；Described heat emission fan 5 is fixed on main shaft by key connection
On 15, the blade of heat emission fan 5 is not less than 10mm apart from the distance of reinforcement 4, and so setting can ensure that motor normally leads to
Wind radiates, and avoids abatvoix 87 from deforming and heat emission fan 5 is impacted, while increases airspace, avoids abatvoix 87 and strengthens
Because of the effect of wind-force larger vibrations occur for muscle 4；Described abatvoix is fixed by screws on the inwall of casing 12, sound-absorbing
The thickness of plate is 3mm-5mm, and marine glue is coated between abatvoix and the inwall of casing 12, and so setting can make abatvoix firm
Be fixed on casing 12, effectively prevent external water from causing the damage of motor into motor internal, at the same can absorb motor fortune
Caused electromagnetic noise and mechanical noise during row, improve muting function；Described end cap 13 is fixed by screws in casing
12 money are all on end face, and spring bearing 14 is embedded in the center of end cap 13, and internal bearing cover 6 and bearing end cover 3 are fixed by screws in end
On the inside and outside wall of lid 13, internal bearing cover 6 and bearing end cover 3 on the contact surface of main shaft 15 with being each provided with least one dust seal
Enclose, so setting can fix main shaft 15 more firm, while avoid the dust of outside from being supported into influence in bearing is made
The normal use of bearing 14.
The operation principle of present embodiment：During electric motor operation, stator 11, which is powered, produces 9 turns of magnetic field rotor driven
Dynamic, the rotation of rotor 9 drives main shaft 15 to rotate and produces power, drives the rotation of heat emission fan 5 to be aerated in the rotation process of main shaft 15 scattered
Heat, noise caused by the magnetic force of noise and the coil of stator 11 caused by abatvoix absorption motor interior vibration, reduces noise
Outflow.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (7)
1. low noise threephase asynchronous, it is characterised in that：It include fixed seat (1), outlet box (2), bearing end cover (3),
Reinforcement (4), heat emission fan (5), internal bearing cover (6), fan housing (7), abatvoix (8), rotor (9), suspension ring (10), stator (11),
Casing (12), end cap (13), spring bearing (14), main shaft (15), fixed seat (1) top are provided with casing (12), casing (12)
Top is provided with suspension ring (10), and outlet box (2) is provided with casing (12) side wall, and casing (12) front end is provided with end cap (13),
Casing (12) rear end is provided with fan housing (7), and fan housing (7) inner surface setting has reinforcement (4), and casing (12) center passes through support shaft
Hold (14) and be fixed with main shaft (15), main shaft (15) afterbody is provided with heat emission fan (5), rotor (9) is provided with the middle part of main shaft (15), turns
Stator (11) is provided with outside sub (9), abatvoix (8) is provided with casing (12) inwall, spring bearing (14) is set on inner side
There is internal bearing cover (6), bearing end cover (3) is provided with the outside of spring bearing (14).
2. low noise threephase asynchronous according to claim 1, it is characterised in that：Described fixed seat (1) and machine
Shell (12) is molded as one, and casing (12) is using aluminium alloy injection one-shot forming.
3. low noise threephase asynchronous according to claim 1, it is characterised in that：Described fan housing (7) passes through spiral shell
Nail is fixed on casing (12) rear, and the thickness of fan housing (7) is 2mm-3mm, and ventilation slot is formed on fan housing (7) rear end face.
4. low noise threephase asynchronous according to claim 1, it is characterised in that：Described reinforcement (4) is in spiral shell
Rotation shape is welded on fan housing (7) inside, and the thickness of reinforcement (4) is not less than 1mm.
5. low noise threephase asynchronous according to claim 1, it is characterised in that：Described heat emission fan (5) passes through
Key connection is fixed on main shaft (15), and the blade of heat emission fan (5) is not less than 10mm apart from the distance of reinforcement (4).
6. low noise threephase asynchronous according to claim 1, it is characterised in that：Described abatvoix (8) passes through
Screw is fixed on casing (12) inwall, and the thickness of abatvoix (8) is 3mm-5mm, between abatvoix (8) and casing (12) inwall
Coated with marine glue.
7. low noise threephase asynchronous according to claim 1, it is characterised in that：Described end cap (13) passes through spiral shell
Nail is fixed on casing (12) money all on end face, and spring bearing (14) is embedded in end cap (13) center, outside internal bearing cover (6) and bearing
Lid (3) is fixed by screws on end cap (13) inside and outside wall, the contact with main shaft (15) of internal bearing cover (6) and bearing end cover (3)
At least one dust-proof seal ring is each provided with face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720987927.8U CN207218440U (en) | 2017-08-09 | 2017-08-09 | Low noise threephase asynchronous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720987927.8U CN207218440U (en) | 2017-08-09 | 2017-08-09 | Low noise threephase asynchronous |
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| Publication Number | Publication Date |
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| CN207218440U true CN207218440U (en) | 2018-04-10 |
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| CN201720987927.8U Active CN207218440U (en) | 2017-08-09 | 2017-08-09 | Low noise threephase asynchronous |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342652A (en) * | 2017-08-09 | 2017-11-10 | 江苏环球特种电机有限公司 | A kind of low noise threephase asynchronous |
-
2017
- 2017-08-09 CN CN201720987927.8U patent/CN207218440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342652A (en) * | 2017-08-09 | 2017-11-10 | 江苏环球特种电机有限公司 | A kind of low noise threephase asynchronous |
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