CN207410200U - A kind of frequency converting speed regulating three-phase asynchronous electromotor - Google Patents
A kind of frequency converting speed regulating three-phase asynchronous electromotor Download PDFInfo
- Publication number
- CN207410200U CN207410200U CN201721427678.3U CN201721427678U CN207410200U CN 207410200 U CN207410200 U CN 207410200U CN 201721427678 U CN201721427678 U CN 201721427678U CN 207410200 U CN207410200 U CN 207410200U
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- China
- Prior art keywords
- shaft
- rear end
- end cap
- rotor
- stator
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of frequency converting speed regulating three-phase asynchronous electromotors, including shaft, rotor, motor casing, stator, drive end bearing bracket and rear end cap, shaft and rotor are mounted in motor casing and the both ends of the shaft are stretched out outside drive end bearing bracket and rear end cap, shaft is connected with drive end bearing bracket by fore bearing, shaft is connected with rear end cap by rear bearing, the part that shaft is stretched out outside rear end cap is fixed with fan, its main feature is that：Flying wheel is installed in shaft between rear end cap and fan；By screw Guan County equipped with pressing plate, pressing plate has the flange part that a circle is resisted against front axle bearing outer-ring for the inside of drive end bearing bracket；Circuit board and frequency-converting control device are provided on rear end cap；The periphery of stator is arranged with protecting of stator set, and the periphery of rotor is arranged with rotor protection set.The utility model has the characteristics that axial float can be eliminated, can prevent that machine shaft is stuck, can realize that arbitrary speed governing and motor service life are long.
Description
Technical field
The utility model belongs to field of electromechanical technology, more particularly, to a kind of frequency converting speed regulating three-phase asynchronous electromotor.
Background technology
Threephase asynchronous is a kind of alternating current generator, is the one kind for leaning on while accessing the power supply of 380V three-phase alternating-current supplies
Motor.Due to threephase asynchronous rotor from stator rotating excitation field in the same direction, different rotating speeds rotation, exist turn
Rate, so being threephase asynchronous.
The shaft of existing asynchronous motor is only set in entry type on motor front and back ends by bearing, passes through waveform
Washer elastic force makes the axial wherein one section of /V of shaft, and asynchronous motor is since processing environment is more severe, when bearing capacity is more than ripple
During shape washer elastic force, it may appear that the forward and backward movement of shaft is out of control, the phenomenon that axial float, long-time service is present with diastema, nothing occurs
Method meets high-precision grinding needs or even is present with the appearance of shaft stuck phenomena such as can not working.
In the case of some bad environments, due to the electronic poor sealing of itself, steam and with corrosive liquid gas
Phenomena such as being easily accessible motor, machine winding is made to suffer erosion, is susceptible to short circuit burns out so as to cause machine winding.
The content of the invention
The purpose of this utility model is in view of the deficiency of the prior art, it is phase asynchronous to provide a kind of frequency control
Motor, it have can eliminate axial float, can prevent that machine shaft is stuck, can realize that arbitrary speed governing and motor service life are long
The characteristics of.
To achieve these goals, technical solution is used by the utility model：A kind of phase asynchronous electricity of frequency control
Motivation, rotor, motor casing including shaft, in shaft, the stator in motor casing and before being installed on motor casing
The drive end bearing bracket and rear end cap at both ends afterwards, the shaft and rotor are mounted in motor casing and before the stretchings of the both ends of the shaft
Outside end cap and rear end cap, the shaft is connected with drive end bearing bracket by fore bearing, and the shaft passes through rear axle with rear end cap
Hold and be connected, the part that the shaft is stretched out outside rear end cap is fixed with fan, be located in the shaft rear end cap and fan it
Between flying wheel is installed；By screw Guan County equipped with pressing plate, there is the pressing plate circle to be resisted against for the inside of the drive end bearing bracket
The flange part of front axle bearing outer-ring；Circuit board and frequency-converting control device are provided on the rear end cap；The periphery of the stator is arranged
There is protecting of stator set, the periphery of the rotor is arranged with rotor protection set.
There is the outer wheel disc with the interior wheel disc of shaft contacts and separate shaft, the interior wheel disc on the flying wheel
The concave ring groove being recessed inwardly is offered between outer wheel disc, the lubrication groove disk axial width is less than the axial width of outer wheel disc,
The weight of the interior wheel disc is less than the weight of outer wheel disc.
The protecting of stator set includes the first jacket casing coincideing with the periphery of stator, and the first jacket casing is provided at both ends with outer cover
Plate.
The rotor protection set includes the second jacket casing coincideing with rotor outer periphery, and the second jacket casing is provided at both ends with inner cover
Plate.
With the above structure, the utility model is compared to the prior art advantageously：The utility model is installed
Circuit board and frequency-converting control device can arbitrarily speed governing reach host need to rotating speed requirement；The setting of pressing plate can eliminate axial direction
Play；Flying wheel can make motor smooth running, prevent that shaft is stuck；Protecting of stator covers and rotor protection set makes winding from steam
Or corrosive gas infringement, and then the reliability service of motor is protected, improve the service life of motor.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of protecting of stator set.
Fig. 3 is the structure diagram of rotor protection set.
Specific embodiment
As described below is only the preferred embodiment of the utility model, does not therefore limit the protection model of the utility model
It encloses, the utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment, as shown in Fig. 1 to Fig. 3：A kind of frequency converting speed regulating three-phase asynchronous electromotor, including shaft 1, mounted on shaft
Rotor 2, motor casing 3 on 1, the stator 4 in motor casing 3 and be installed on 3 rear and front end of motor casing drive end bearing bracket 5 and after
End cap 6, the shaft 1 and rotor 2 are mounted in motor casing 3 and drive end bearing bracket 5 and rear end cap are stretched out in the both ends of the shaft 1
Outside 6, the shaft 1 is connected with drive end bearing bracket 5 by fore bearing 7, and the shaft 1 is connected with rear end cap 6 by rear bearing 8
Connect, the part that the shaft 1 is stretched out outside rear end cap 6 is fixed with fan 9, be located in the shaft 1 rear end cap 6 and fan 9 it
Between flying wheel 10 is installed；By 11 Guan County of screw equipped with pressing plate 12, the pressing plate 12 has one for the inside of the drive end bearing bracket 5
Circle is resisted against the flange part of 7 outer ring of fore bearing；Circuit board 13 and frequency-converting control device, frequency conversion control are provided on the rear end cap 6
Device processed is arranged on circuit board 13, and circuit board 13 is connected respectively with wiring pile and motor interior lines；The periphery of the stator 4 is arranged
There is protecting of stator to cover 14, the periphery of the rotor 2 is arranged with rotor protection set 15.
Preferably, there is the interior wheel disc contacted with shaft 1 and the outer wheel disc away from shaft 1 on the flying wheel 10,
The concave ring groove being recessed inwardly is offered between the interior wheel disc and outer wheel disc, the lubrication groove disk axial width is less than outer wheel disc
Axial width, the weight of the interior wheel disc is less than the weight of outer wheel disc.
Preferably, the protecting of stator set 14 includes the first jacket casing 16 coincideing with the periphery of stator 4, the first jacket casing 16
It is provided at both ends with outer cover plate 17.
Preferably, 15 second jacket casing 18 including coincideing with 2 periphery of rotor of rotor protection set, the two of the second jacket casing 18
End is provided with inner cover plate 19.
The utility model installation circuit board 13 and frequency-converting control device can arbitrarily speed governing reach host need to rotating speed
It is required that；The setting of pressing plate 12 can eliminate axial float；Flying wheel 10 can make motor smooth running, prevent that shaft 1 is stuck；Stator is protected
Sheath 14 and rotor protection set 15 make winding be encroached on from steam or corrosive gas, and then protect the reliability service of motor, carry
The service life of high motor.Circuit board 13 is arranged on rear end cap 6, and air stream can be made to cool down the frequency conversion control on rear end cap 6 simultaneously
Device and circuit board component and stator and rotor processed, obtain good motor heat dissipation effect, and reduce frequency control simultaneously
The thermal fault risk of component on device and circuit board.
Claims (4)
1. a kind of frequency converting speed regulating three-phase asynchronous electromotor, including shaft（1）, mounted on shaft（1）On rotor（2）, motor casing
（3）, mounted on motor casing（3）Interior stator（4）Be installed on motor casing（3）The drive end bearing bracket of rear and front end（5）And rear end cap
（6）, the shaft（1）And rotor（2）Mounted on motor casing（3）Interior and described shaft（1）Both ends stretch out drive end bearing bracket（5）
And rear end cap（6）Outside, the shaft（1）With drive end bearing bracket（5）Pass through fore bearing（7）It is connected, the shaft（1）With rear end
Lid（6）Pass through rear bearing（8）It is connected, the shaft（1）Stretch out rear end cap（6）Outer part is fixed with fan（9）, it is special
Sign is：The shaft（1）It is upper to be located at rear end cap（6）With fan（9）Between flying wheel is installed（10）；The drive end bearing bracket（5）
Inside pass through screw（11）Guan County is equipped with pressing plate（12）, the pressing plate（12）Fore bearing is resisted against with a circle（7）Outer ring
Flange part；The rear end cap（6）On be provided with circuit board（13）And frequency-converting control device；The stator（4）Periphery be arranged
There is protecting of stator set（14）, the rotor（2）Periphery be arranged with rotor protection set（15）.
2. a kind of frequency converting speed regulating three-phase asynchronous electromotor according to claim 1, it is characterised in that：The flying wheel
（10）On have and shaft（1）The interior wheel disc of contact and separate shaft（1）Outer wheel disc, the interior wheel disc and outer wheel disc it
Between offer the concave ring groove being recessed inwardly, the lubrication groove disk axial width is less than the axial width of outer wheel disc, the lubrication groove
The weight of disk is less than the weight of outer wheel disc.
3. a kind of frequency converting speed regulating three-phase asynchronous electromotor according to claim 1, it is characterised in that：The protecting of stator set
（14）Including with stator（4）The first jacket casing for coincideing of periphery（16）, the first jacket casing（16）Be provided at both ends with outer cover plate（17）.
4. a kind of frequency converting speed regulating three-phase asynchronous electromotor according to claim 1, it is characterised in that：The rotor protection set
（15）Including with rotor（2）The second jacket casing that periphery coincide（18）, the second jacket casing（18）Be provided at both ends with inner cover plate（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721427678.3U CN207410200U (en) | 2017-10-31 | 2017-10-31 | A kind of frequency converting speed regulating three-phase asynchronous electromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721427678.3U CN207410200U (en) | 2017-10-31 | 2017-10-31 | A kind of frequency converting speed regulating three-phase asynchronous electromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207410200U true CN207410200U (en) | 2018-05-25 |
Family
ID=62408533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721427678.3U Expired - Fee Related CN207410200U (en) | 2017-10-31 | 2017-10-31 | A kind of frequency converting speed regulating three-phase asynchronous electromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207410200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659098A (en) * | 2017-10-31 | 2018-02-02 | 浙江万时达电机有限公司 | A kind of frequency converting speed regulating three-phase asynchronous electromotor |
-
2017
- 2017-10-31 CN CN201721427678.3U patent/CN207410200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659098A (en) * | 2017-10-31 | 2018-02-02 | 浙江万时达电机有限公司 | A kind of frequency converting speed regulating three-phase asynchronous electromotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The town of Wenling Taizhou City Tower Ao village of 317522 cities in Zhejiang Province Patentee after: Wanshida Electric Co.,Ltd. Address before: The town of Wenling Taizhou City Tower Ao village of 317522 cities in Zhejiang Province Patentee before: ZHEJIANG WANSHIDA MOTOR CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Ta'ao village, Daxi Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Weiye Motor Co.,Ltd. Address before: Ta'ao village, Daxi Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: Wanshida Electric Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 |