CN203617844U - Highly sealed variable frequency motor - Google Patents
Highly sealed variable frequency motor Download PDFInfo
- Publication number
- CN203617844U CN203617844U CN201320821633.XU CN201320821633U CN203617844U CN 203617844 U CN203617844 U CN 203617844U CN 201320821633 U CN201320821633 U CN 201320821633U CN 203617844 U CN203617844 U CN 203617844U
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- rotating shaft
- electric machine
- machine casing
- rotor
- frequency motor
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Abstract
The utility model discloses a highly sealed variable frequency motor. The highly sealed variable frequency motor comprises a motor housing. A rotation shaft is disposed in the motor housing. A rotor is disposed outside the rotation shaft. A stator is disposed on an inner sidewall of the motor housing. A junction box is disposed on an outer sidewall of the motor housing. A plurality of binding posts is disposed in the junction box. The rotor includes a rotor frame. A rotor winding is wound on the rotor frame. Two ends of the rotor frame are provided with openings uniformly distributed along the circumference of the rotor frame. A wind shield is disposed on a plane of a tail end of the rotor frame. Two ends of the motor housing are provided with a front end cap and a rear end cap respectively. Two ends of the rotation shaft penetrates through the front end cap and the rear end cap respectively, and thus a front-exposed segment of the rotation shaft and a rear-exposed segment of the rotation shaft. T-grooves and arc-surface grooves are disposed at positions where the rotation shaft is exposed from the front end cap and the rear end cap. A T-shaped sealing ring having a T-shaped cross section is disposed in each T-groove. An O-shaped sealing ring is disposed in each arc-surface groove. The highly sealed variable frequency motor has very good heat radiation effect. Because of the dual-sealing arrangement of the T-shaped sealing rings and the O-shaped sealing rings, external scraps and dust are effectively prevented from going into the motor housing, and the highly sealed variable frequency motor has a prolonged service life.
Description
Technical field
The utility model relates to a kind of motor, is specifically related to a kind of high sealing variable-frequency motor.
Background technology
In existing subway tunnel, colliery non-working surface digging, often adopt frequency converter to start, motor is regulated to high frequency by low frequency in the time starting, reach motor performance requirement, can effectively extend the useful life of motor, make motor and corollary equipment there is good stability and fail safe, but for the electric equipment in this subway tunnel, colliery non-working surface digging, due to needs long-time running, the inside of motor, especially rotor portions branch produces a large amount of heats, if these heats shed not in time, can cause damage to motor.In addition, in the operational environment such as subway tunnel, colliery, can produce a lot of chips, can be stuck in the gap between parts if these chips enter in motor, make the parts such as machine shaft can not flexible rotating, motor is caused to damage.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides that a kind of good heat dissipation effect, rotating speed are controlled, long service life, high sealing variable-frequency motor that sealing property is high.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of high sealing variable-frequency motor, comprise electric machine casing, in described electric machine casing, be provided with rotating shaft, described rotating shaft is provided with rotor outward, the madial wall of described electric machine casing is provided with the stator suitable with rotor, the lateral wall of described electric machine casing is provided with terminal box, in described terminal box, be provided with some binding posts, described rotor comprises rotor rack, on described rotor rack, be wound with rotor winding, the two ends of described rotor rack are provided with the opening distributing along rotor rack even circumferential, the tail end plane of described rotor rack is provided with a deep bead, the two ends of described electric machine casing are provided with front end housing and rear end cap, the two ends of described rotating shaft pass respectively described front end housing and rear end cap, the section of passing after the section of passing and rotating shaft before formation rotating shaft, described rotating shaft passes front end housing and rear end cap place is provided with T-shaped groove and some arch grooves, in described T-shaped groove, being provided with cross section is the T-shaped sealing ring of T shape, in described arch groove, be provided with O RunddichtringO.
As preferably, described T-shaped sealing ring and O RunddichtringO are along being arranged by the external world to motor internal.Adopt after above-mentioned preferred version, improved the sealing property between electric machine casing and rotating shaft.
As preferably, described rotating shaft passes front end housing place and is provided with front auxiliary buckling locking device, described front auxiliary buckling locking device comprises the front mounting plate body being wholely set with rotating shaft, described front mounting plate body is provided with towards the inner front button extending of electric machine casing towards a side of electric machine casing inside, described electric machine casing and described corresponding position, front button position are provided with front catching groove, described front button and described front catching groove snap fit.Adopt after above-mentioned preferred version, engaging between rotating shaft and front end housing is more fastening, front button coordinate with fastening front catching groove can carry out on radially front end housing spacing.
As preferably, described rotating shaft passes rear end cap place and is provided with rear auxiliary buckling locking device, described rear auxiliary buckling locking device comprises the rear installation plate body being wholely set with rotating shaft, described rear installation plate body is provided with towards the inner rear button extending of electric machine casing towards a side of electric machine casing inside, described electric machine casing and described corresponding position, rear button position are provided with rear catching groove, described rear button and described rear catching groove snap fit.Adopt after above-mentioned preferred version, engaging between rotating shaft and rear end cap is more fastening, rear button coordinate with fastening rear catching groove can carry out on radially rear end cap spacing.
As preferably, described rotating shaft tail end is in the outer part provided with the encoder for detection of rotating shaft rotating speed, and described encoder is arranged on after rotating shaft on the end, one end of the section of passing away from electric machine casing inside.Adopt after above-mentioned preferred version, encoder arrange can time the data of rotating shaft rotating speed are passed to control device, thereby motor speed is monitored and motor is regulated and controled.
As preferably, in described terminal box, be covered with connector cover body, described terminal box lid and described terminal box snap fit arrange.Adopt after above-mentioned preferred version, terminal box lid detachably arranges, and the binding post of being convenient in staff's butted line box carries out field-strip.
As preferably, described rotor rack tail end is provided with deep bead draw-in groove by a side of opening, and described deep bead is provided with the deep bead fixture block extending towards rotor rack by a side of rotating shaft, described deep bead fixture block and described deep bead draw-in groove snap fit.Adopt after above-mentioned preferred version, deep bead coordinates compacter, easier for installation with the installation of rotor rack.
As preferably, the side that described deep bead deviates from rotor rack is provided with guide vane end stop, in described rotating shaft, is provided with stopper slot with guide vane end stop corresponding position, and described guide vane end stop is embedded in stopper slot, the setting that offsets of described guide vane end stop and deep bead.Adopt after above-mentioned preferred version, it is spacing that the arranging of guide vane end stop can be carried out deep bead, avoids deep bead that the phenomenon that slippage is given up the throne occurs in the time that rotating shaft is rotated.
High sealing variable-frequency motor of the present utility model is provided with deep bead at rotor rack tail end, seal the tail end plane of rotor rack, when rotating shaft is rotated, rotor rack opening and deep bead form a centrifugal fan, thereby the dissipation of heat in electric machine casing can be gone out, T-shaped sealing ring and the dual-seal of O RunddichtringO arrange, and can effectively prevent that foreign debris, dust from entering in electric machine casing, guarantee the normal operation of electric machine casing inner part, useful life is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1;
Fig. 4 is the partial enlarged drawing at C place in Fig. 1.
Embodiment
As Figure 1-Figure 4, embodiment of the present utility model is a kind of high sealing variable-frequency motor specifically, comprises electric machine casing 1, is provided with rotating shaft 2 in electric machine casing 1, and rotating shaft 2 is outer is provided with rotor 3, and the madial wall of electric machine casing 1 is provided with the stator 4 suitable with rotor 3.The lateral wall of electric machine casing 1 is provided with terminal box 5.In terminal box 5, be provided with binding post 51, rotor 3 comprises rotor rack 31, is wound with rotor winding 32 on rotor rack 31, and the two ends of rotor rack 31 are provided with the opening 33 distributing along rotor rack 31 even circumferentials.The tail end plane of rotor rack 31 is provided with a deep bead 21.The two ends of electric machine casing 1 are provided with front end housing 11 and rear end cap 12.The two ends of rotating shaft 2 pass respectively front end housing 11 and rear end cap 12, the section of passing 23 after the section of passing 22 and rotating shaft before formation rotating shaft.Rotating shaft 2 passes front end housing 11 and rear end cap 12 places are provided with T-shaped groove 24 and two arch grooves 25.In T-shaped groove 24, being provided with cross section is the T-shaped sealing ring 241 of T shape, is provided with O RunddichtringO 251 in arch groove 25.T-shaped sealing ring 241 and O RunddichtringO 251 are along being arranged by the external world to motor internal.
Rotating shaft 2 passes front end housing 11 places and is provided with front auxiliary buckling locking device 26, front auxiliary buckling locking device 26 comprises the front mounting plate body 261 being wholely set with rotating shaft 2, front mounting plate body 261 is provided with towards the inner front button 262 extending of electric machine casing 1 towards a side of electric machine casing 1 inside, and electric machine casing 1 is provided with front catching groove 13 with front button 262 corresponding positions, position.Front button 262 and front catching groove 13 snap fit.Rotating shaft 2 passes rear end cap 12 places and is provided with rear auxiliary buckling locking device 27, rear auxiliary buckling locking device 27 comprises the rear installation plate body 271 being wholely set with rotating shaft 2, rear installation plate body 271 is provided with towards the inner rear button 272 extending of electric machine casing 1 towards a side of electric machine casing 1 inside, and electric machine casing 1 is provided with rear catching groove 14 with rear button 272 corresponding positions, position.Rear button 272 and rear catching groove 14 snap fit.
Rotating shaft 2 tail end is in the outer part provided with the encoder 6 for detection of rotating shaft 2 rotating speeds, and encoder 6 is arranged on after rotating shaft on the end, one end of the section of passing 23 away from electric machine casing 1 inside.In terminal box 5, be covered with connector cover body 52, terminal box lid 52 and terminal box 5 snap fit settings.
The basic principle of the operation principle of the operation principle of high sealing variable-frequency motor of the present utility model and the variable-frequency motor of prior art is basic identical, difference is: the high sealing variable-frequency motor of variable-frequency motor of the present utility model at rotor rack 31 opening parts, deep bead 21 is set, can effectively utilize the rotation of rotating shaft 2 that the heat in electric machine casing 1 is taken out of in time, simple in structure, good heat dissipation effect; Between front end housing 11 of the present utility model and rear end cap 12 and rotating shaft 2, be provided with the sealing property that T-shaped sealing ring 241 and O RunddichtringO 251 can improve electric machine casing 1, prevent entering of chip.
Claims (8)
1. a high sealing variable-frequency motor, comprise electric machine casing, in described electric machine casing, be provided with rotating shaft, described rotating shaft is provided with rotor outward, the madial wall of described electric machine casing is provided with the stator suitable with rotor, it is characterized in that: the lateral wall of described electric machine casing is provided with terminal box, in described terminal box, be provided with some binding posts, described rotor comprises rotor rack, on described rotor rack, be wound with rotor winding, the two ends of described rotor rack are provided with the opening distributing along rotor rack even circumferential, the tail end plane of described rotor rack is provided with a deep bead, the two ends of described electric machine casing are provided with front end housing and rear end cap, the two ends of described rotating shaft pass respectively described front end housing and rear end cap, the section of passing after the section of passing and rotating shaft before formation rotating shaft, described rotating shaft passes front end housing and rear end cap place is provided with T-shaped groove and some arch grooves, in described T-shaped groove, being provided with cross section is the T-shaped sealing ring of T shape, in described arch groove, be provided with O RunddichtringO.
2. high sealing variable-frequency motor according to claim 1, is characterized in that: described T-shaped sealing ring and O RunddichtringO are along being arranged by the external world to motor internal.
3. high sealing variable-frequency motor according to claim 1, it is characterized in that: described rotating shaft passes front end housing place and is provided with front auxiliary buckling locking device, described front auxiliary buckling locking device comprises the front mounting plate body being wholely set with rotating shaft, described front mounting plate body is provided with towards the inner front button extending of electric machine casing towards a side of electric machine casing inside, described electric machine casing and described corresponding position, front button position are provided with front catching groove, described front button and described front catching groove snap fit.
4. high sealing variable-frequency motor according to claim 1, it is characterized in that: described rotating shaft passes rear end cap place and is provided with rear auxiliary buckling locking device, described rear auxiliary buckling locking device comprises the rear installation plate body being wholely set with rotating shaft, described rear installation plate body is provided with towards the inner rear button extending of electric machine casing towards a side of electric machine casing inside, described electric machine casing and described corresponding position, rear button position are provided with rear catching groove, described rear button and described rear catching groove snap fit.
5. high sealing variable-frequency motor according to claim 1, is characterized in that: described rotating shaft tail end is in the outer part provided with the encoder for detection of rotating shaft rotating speed, and described encoder is arranged on after rotating shaft on the end, one end of the section of passing away from electric machine casing inside.
6. high sealing variable-frequency motor according to claim 1, is characterized in that: in described terminal box, be covered with connector cover body, described terminal box lid and described terminal box snap fit arrange.
7. high sealing variable-frequency motor according to claim 1, it is characterized in that: described rotor rack tail end is provided with deep bead draw-in groove by a side of opening, described deep bead is provided with the deep bead fixture block extending towards rotor rack by a side of rotating shaft, described deep bead fixture block and described deep bead draw-in groove snap fit.
8. high sealing variable-frequency motor according to claim 7, it is characterized in that: the side that described deep bead deviates from rotor rack is provided with guide vane end stop, in described rotating shaft, be provided with stopper slot with guide vane end stop corresponding position, described guide vane end stop is embedded in stopper slot, the setting that offsets of described guide vane end stop and deep bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821633.XU CN203617844U (en) | 2013-12-11 | 2013-12-11 | Highly sealed variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821633.XU CN203617844U (en) | 2013-12-11 | 2013-12-11 | Highly sealed variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617844U true CN203617844U (en) | 2014-05-28 |
Family
ID=50770464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320821633.XU Expired - Fee Related CN203617844U (en) | 2013-12-11 | 2013-12-11 | Highly sealed variable frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329788A (en) * | 2016-08-31 | 2017-01-11 | 无锡太昌精密机械有限公司 | Connection structure of motor cover and motor base |
| CN109716628A (en) * | 2016-09-16 | 2019-05-03 | 日本电产株式会社 | Motor |
-
2013
- 2013-12-11 CN CN201320821633.XU patent/CN203617844U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329788A (en) * | 2016-08-31 | 2017-01-11 | 无锡太昌精密机械有限公司 | Connection structure of motor cover and motor base |
| CN109716628A (en) * | 2016-09-16 | 2019-05-03 | 日本电产株式会社 | Motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |