CN201450424U - Frequency-changing three-phase asynchronous motor - Google Patents
Frequency-changing three-phase asynchronous motor Download PDFInfo
- Publication number
- CN201450424U CN201450424U CN2009200475734U CN200920047573U CN201450424U CN 201450424 U CN201450424 U CN 201450424U CN 2009200475734 U CN2009200475734 U CN 2009200475734U CN 200920047573 U CN200920047573 U CN 200920047573U CN 201450424 U CN201450424 U CN 201450424U
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- CN
- China
- Prior art keywords
- end cap
- left end
- end cover
- right end
- transmission key
- Prior art date
- 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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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to an electric motor, in particular to a frequency-changing three-phase asynchronous motor which is mainly used for driving equipment in a speed adjusting system. The frequency-changing three-phase asynchronous motor comprises a motor body, a left end cover, a right end cover and a transmission key shaft. A junction box is arranged on the motor body, a stator and a rotor which are mutually matched are arranged in the motor body, the stator and the rotor are connected with a junction box circuit by a transmission lead wire, the left end of the transmission key shaft is arranged in an installation hole of the left end cover by a left bearing rotating rack, and the right end of the transmission key shaft is arranged in the installation hole of the right end cover by a right bearing rotating rack. A wave spring sheet which is sheathed outside the transmission key shaft is arranged on the peripheral wall of the installation hole of the left end cover, a sealing ring is sheathed between the peripheral wall of the installation hole of the left end cover and the outer surface of the transmission key shaft, a retainer ring for a shaft is sheathed on the transmission key shaft at the right side of a right bearing, and a rotary elastic retainer ring for a hole is embedded on the peripheral wall of the installation hole of the right end cover at the left side of the right bearing. The frequency-changing three-phase asynchronous motor has the advantages of achieving good cooling effect, effectively prolonging the service life of the electric motor, being convenient for assembling as well as disassembling and the like.
Description
Technical field
The utility model relates to a kind of motor, especially a kind of frequency conversion threephase asynchronous that drives equipment in the governing system that is mainly used in.
Background technology
Along with the development of power electronic technology, the ac variable frequency speed regulation motor has obtained extensive use.But for normal asynchronous, the performance parameter of mainly considering during Electromagnetic Design is overload capacity, starting performance, efficient and power factor, during the common electric machine design is according to constant frequency and constant voltage, can not adapt to the requirement of frequency control, influence the change of current performance and the dynamic indicator of system undoubtedly, limited electric machine speed regulation scope and overload capacity, and the adjusting function of whole system is not reached unanimity.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of good cooling results is provided, effectively prolongs the motor life-span, operates steadily, the frequency conversion threephase asynchronous of easy accessibility.
The technical scheme that provides according to the utility model, described frequency conversion threephase asynchronous, comprise the motor body, left end cap, right end cap and driving key axle, on the motor body terminal box is installed, be provided with the stator and the rotor of cooperation in the motor body, stator is connected with the terminal box circuit by transfer wire with rotor, the left end of driving key axle is located in the installing hole of left end cap by the left bearing rotating turret, the right-hand member of driving key axle is located in the installing hole of right end cap by the right bearing rotating turret, the installing hole perisporium of left end cap is provided with and is enclosed within the outer wavy spring sheet of driving key axle, be with sealing ring between the installing hole perisporium of left end cap and the driving key axle outer surface, be with shaft block ring on the driving key axle on right bearing right side, the right end cap installing hole perisporium in right bearing left side is embedded with the circlip for hole that ring changes.
Described right end cap is provided with independently-powered blower fan, is provided with the protective cover that blower fan is covered on right end cap.
The utlity model has good cooling results, effectively prolong advantages such as motor life-span and easy accessibility.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: the utility model mainly is made of left bearing 1, wavy spring sheet 2, left end cap 3, terminal box 4, stator 5, rotor 6, motor body 7, protective cover 8, sealing ring 9, right bearing 10, driving key axle 11, circlip for hole 12, right end cap 13, shaft block ring 14 and blower fan 15 etc.
This frequency conversion threephase asynchronous, comprise motor body 7, left end cap 3, right end cap 13 and driving key axle 11, terminal box 4 is installed on the motor body 7, be provided with the stator 5 and rotor 6 of cooperation in the motor body 7, stator 5 is connected with terminal box 4 circuit by transfer wire with rotor 6, the left end of driving key axle 11 is located in the installing hole of left end cap 3 by left bearing 1 rotating turret, the right-hand member of driving key axle 11 is located in the installing hole of right end cap 13 by right bearing 10 rotating turrets, split-type structural, easy accessibility, the installing hole perisporium of left end cap 3 is provided with the wavy spring sheet 2 that is enclosed within outside the driving key axle 11, be with sealing ring 9 between the installing hole perisporium of left end cap 3 and driving key axle 11 outer surfaces, be with shaft block ring 14 on the driving key axle 11 on right bearing 10 right sides, can effectively prevent driving key axle 11 left and right sides axial endplays, the right end cap 13 installing hole perisporiums in right bearing 10 left sides are embedded with the circlip for hole 12 that ring changes, good sealing effect.
Described right end cap 13 is provided with independently-powered blower fan 15, is provided with the protective cover 8 that blower fan 15 is covered on right end cap 13, and good cooling results can effectively prolong the motor life-span.
Motor of the present utility model comprises stator 5, be that terminal box 4 is connected with motor body 7 by bolt above the stator 5, stator 5 is connected with packing ring with left end cap 3, right end cap 13 bolts, comprise fan 15 and left bearing 1 on the rotor 6, stator 5 and rotor 6 are connected by bearing, and blower fan 15 is fixed on the right end cap 13 by bolt, packing ring; V-ring 9 is contained on the driving key axle 11 of left end cap 3 outsides, and nameplate comprises data, is fixed on the stator 5 by rivet.
Operation principle of the present utility model:
Claims (2)
1. frequency conversion threephase asynchronous, comprise motor body (7), left end cap (3), right end cap (13) and driving key axle (11), terminal box (4) is installed on the motor body (7), be provided with the stator (5) and rotor (6) of cooperation in the motor body (7), stator (5) is connected with terminal box (4) circuit by transfer wire with rotor (6), the left end of driving key axle (11) is located in the installing hole of left end cap (3) by left bearing (1) rotating turret, the right-hand member of driving key axle (11) is located in the installing hole of right end cap (13) by right bearing (10) rotating turret, it is characterized in that: the installing hole perisporium of left end cap (3) is provided with and is enclosed within the outer wavy spring sheet (2) of driving key axle (11), be with sealing ring (9) between the installing hole perisporium of left end cap (3) and driving key axle (11) outer surface, be with shaft block ring (14) on the driving key axle (11) on right bearing (10) right side, right end cap (13) the installing hole perisporium in right bearing (10) left side is embedded with the circlip for hole (12) that ring changes.
2. frequency conversion threephase asynchronous as claimed in claim 1 is characterized in that: described right end cap (13) is provided with independently-powered blower fan (15), is provided with the protective cover (8) that blower fan (15) is covered on right end cap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200475734U CN201450424U (en) | 2009-07-02 | 2009-07-02 | Frequency-changing three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200475734U CN201450424U (en) | 2009-07-02 | 2009-07-02 | Frequency-changing three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201450424U true CN201450424U (en) | 2010-05-05 |
Family
ID=42555147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200475734U Expired - Fee Related CN201450424U (en) | 2009-07-02 | 2009-07-02 | Frequency-changing three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201450424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393701A (en) * | 2014-12-11 | 2015-03-04 | 重庆七色实业有限公司 | Pole-changing low-speed motor |
| CN104917327A (en) * | 2015-06-11 | 2015-09-16 | 德州恒力电机有限责任公司 | Electric motor for IP67 small boat |
| CN107786029A (en) * | 2017-12-06 | 2018-03-09 | 李彦召 | Hollow rotating shaft and processing method for the V belt translation key of motor |
-
2009
- 2009-07-02 CN CN2009200475734U patent/CN201450424U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393701A (en) * | 2014-12-11 | 2015-03-04 | 重庆七色实业有限公司 | Pole-changing low-speed motor |
| CN104917327A (en) * | 2015-06-11 | 2015-09-16 | 德州恒力电机有限责任公司 | Electric motor for IP67 small boat |
| CN107786029A (en) * | 2017-12-06 | 2018-03-09 | 李彦召 | Hollow rotating shaft and processing method for the V belt translation key of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20100702 |