CN207720007U - A kind of threephase asynchronous machine facilitating repair - Google Patents
A kind of threephase asynchronous machine facilitating repair Download PDFInfo
- Publication number
- CN207720007U CN207720007U CN201721718200.6U CN201721718200U CN207720007U CN 207720007 U CN207720007 U CN 207720007U CN 201721718200 U CN201721718200 U CN 201721718200U CN 207720007 U CN207720007 U CN 207720007U
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- China
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- drive end
- bearing bracket
- end bearing
- shell
- threephase asynchronous
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Abstract
The utility model discloses a kind of threephase asynchronous machines facilitating repair,It solves staff to need drive end bearing bracket and shell can just to be removed by external tool,The problem of just cannot achieve drive end bearing bracket and shell dismounting when not having tool,Its key points of the technical solution are that a kind of threephase asynchronous machine facilitating repair,Including shell,Wear shaft inside housings,The drive end bearing bracket that is connected with shell and the bearing that the countershaft on drive end bearing bracket is supported is set,The first grafting set is provided on the drive end bearing bracket,The first inserting groove identical with shaft axial direction is offered in the first grafting set,The second grafting set is offered on the shell,The second inserting groove being connected to the first inserting groove is offered in the second grafting set,Drive end bearing bracket is connected by first inserting groove after being connected to second inserting groove by grafting tenon with shell,Achieve the effect that drive end bearing bracket can be removed without external tool.
Description
Technical field
The utility model belongs to motor technology field, more particularly to a kind of threephase asynchronous machine facilitating repair.
Background technology
The one kind of threephase asynchronous machine as motor has simple in structure, cheap, operation compared with than remaining motor
The advantages that reliable, is widely used in some general machinery equipments, as that can use threephase asynchronous machine band in air compressor
Movable vane piece carries out rotation and admits air into air compressor and compressed.
The motor shaft of motor is usually pierced by drive end bearing bracket for exporting power, in the use process of motor by being arranged bearing
In, bearing causes bearing wear due to the friction between inner ring and outer ring, it is therefore desirable to open the drive end bearing bracket of motor to bearing into
Row repair is replaced, however drive end bearing bracket and motor housing, usually by screw tightening, staff needs by external tool
Drive end bearing bracket and shell can be removed, the dismounting of drive end bearing bracket and shell is just cannot achieve when not having tool.
Utility model content
The purpose of this utility model is to provide a kind of threephase asynchronous machine facilitating repair, without external tool
Drive end bearing bracket is removed, can facilitate and bearing is repaired or replaced.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of threephase asynchronous machine facilitating repair, including shell, wear shaft inside housings, be connected with shell
Drive end bearing bracket and the bearing that the countershaft on drive end bearing bracket is supported is set, which is characterized in that is provided on the drive end bearing bracket
One grafting set offers the first spliced eye identical with shaft axial direction in first grafting set, is opened up on the shell
There is the second grafting set, the second spliced eye being connected to the first spliced eye, first grafting are offered in the second grafting set
Drive end bearing bracket is connected by hole after being connected to second spliced eye by grafting tenon with shell.
By using above-mentioned technical proposal, by the way that the first grafting set and the setting and first on shell are arranged on drive end bearing bracket
Second grafting set of grafting set cooperation, the first grafting set is covered with the second grafting to be connected by grafting tenon grafting, before needing to open
When bearing is repaired or replaced in end cap, it is only necessary to move drive end bearing bracket along shaft axial direction, so that it may so that drive end bearing bracket and shell
Body detaches, without external tool；In addition, grafting tenon only needs to change new grafting tenon when damaging, do not have to motor itself
There is larger impact.
Preferably, being wholely set the seat angle being supported to shell below the shell, the seat angle is along shaft axis
End cap side extends to form the carrier being supported to drive end bearing bracket forward in line direction.
By using above-mentioned technical proposal, drive end bearing bracket with shell only by grafting feather joint when it is more unstable, pass through seat
The design of angle and carrier, when drive end bearing bracket when shell connects prop up drive end bearing bracket in the lower section of drive end bearing bracket by undertaking site
Support, reduce grafting tenon uses load, and the connection of drive end bearing bracket and shell is made more to stablize.
Preferably, the first grafting set and the second grafting set have four along the circumferential spaced set of drive end bearing bracket and shell
It is a.
By using above-mentioned technical proposal, by the way that by first the second grafting of grafting box set set, circumferentially spaced set has four
It is a, stability when drive end bearing bracket is connected with shell can be promoted.
Preferably, the both ends of the grafting tenon are disposed as bulb-type.
By using above-mentioned technical proposal, by setting the both ends of grafting tenon to bulb-type, first is inserted into grafting tenon
Guiding role can be played when spliced eye and the second spliced eye, and the connection of drive end bearing bracket and shell is made to be more prone to.
Preferably, offering the mounting base being arranged for bearing on the drive end bearing bracket, have for bearing in the mounting base
The mounting groove being embedded.
By using above-mentioned technical proposal, by the way that the mounting base being arranged for bearing is arranged on drive end bearing bracket, and in mounting base
The mounting groove being embedded for bearing is inside opened up, bearing is embedded in mounting groove, relatively stable during the use of motor.
It is provided with limited post preferably, being opened up on the side wall of the mounting groove, is offered on the bearing outer ring for limit
The limiting slot of position column sliding.
By using above-mentioned technical proposal, the limited post installed in groove sidewall is embedded in the limiting slot of bearing outer ring, limitation
Bearing outer ring and drive end bearing bracket it is circumferentially displaced, make bearing outer ring be not necessarily to be connected with drive end bearing bracket by interference fit, make drive end bearing bracket
Dismounting it is more laborsaving.
Preferably, form shoe cream room between the groove bottom and bearing of the mounting groove, be provided on the drive end bearing bracket with
The oil filler point of shoe cream room connection.
By using above-mentioned technical proposal, by the design of oil filler point and shoe cream room, worker can be by oil filler point to storage
Lubricating oil is injected in oil pocket, bearing can be lubricated, be increased the service life of bearing, reduce the frequency of bearing replacing.
Preferably, being threaded on the drive end bearing bracket by the closed oil nozzle of oil filler point.
By using above-mentioned technical proposal, by the design of oil nozzle, oil nozzle can close oil filler point, avoid lubricating oil from
It is flow backwards in oil filler point.
Preferably, the oil nozzle includes the sealing being threadedly coupled with oil filler point and what circumferential evagination was formed screws
Portion, the circumferential side wall for screwing portion are additionally provided with non-slip texture identical with sealing axial direction.
Preferably, the shaft includes main shaft section and the construction section that is arranged for bearing, the maximum of the construction section is straight
Diameter is less than the minimum diameter of main shaft section, and the main shaft section forms the confined planes abutted for bearing with the joint face of construction section.
By using above-mentioned technical proposal, bearing can be packed into shaft, worker directed along construction section one end when mounted
It only needs to exert a force to bearing along shaft axial direction, the peace of bearing and shaft is just completed after bearing is abutted with bearing surface
Dress, can facilitate the installation of bearing, while can also remove bearing along shaft axial direction when removing bearing.
In conclusion the utility model has the advantages that：
1. drive end bearing bracket is connected with shell by making grafting tenon be inserted into the first inserting groove and the second inserting groove, make drive end bearing bracket and
The dismounting of shell need not be operated by tool；
2. by the way that the mounting groove being arranged for bearing is arranged on drive end bearing bracket, and making shape between the groove bottom of mounting groove and bearing
Lubricating oil is injected into oil storage tank at oil storage tank, and by oil filler point, can increase the service life of bearing, slows down bearing repair
The frequency of replacement.
Description of the drawings
Fig. 1 is the overall schematic of motor；
Fig. 2 is the sectional view of motor；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the explosive view one of motor；
Fig. 5 is the explosive view two of motor；
Fig. 6 is the enlarged drawing at B in Fig. 4；
Fig. 7 is the enlarged drawing at C in Fig. 5.
In figure, 1, shell；11, the second grafting set；111, the second inserting groove；112, grafting tenon；12, stator；13, shaft；
131, main shaft section；132, construction section；133, confined planes；14, rotor；15, seat angle；151, carrier；2, drive end bearing bracket；21, it installs
Seat；211, mounting groove；2111, limited post；212, shoe cream room；213, oil filler point；214, oil nozzle；2141, sealing；2142, it revolves
The portion of twisting；2143, non-slip texture；22, bearing；221, limiting slot；23, the first grafting set；231, the first inserting groove.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Figures 1 and 2, the utility model proposes a kind of threephase asynchronous machine facilitating repair, including it is shell 1, solid
The stator 12 that is located on 1 inner surface of shell, the shaft 13 being threaded through inside shell 1 and it is installed in drive shaft 13 in shaft 13
The rotor 14 of rotation is synchronized, forms the rotation that driving rotor 14 is rotated after electrical power between rotor 14 and stator 12
Magnetic field, rotor 14 drive shaft 13 to rotate synchronously for exporting power.
With reference to Fig. 3, shaft 13 includes the main shaft section 131 being arranged for rotor 14 and the construction section for being arranged with bearing 22
132, the diameter that shaft 13 is located at main shaft section 131 is more than the diameter that shaft 13 is located at construction section 132, main shaft section 131 and construction section
The confined planes 133 abutted for bearing 22 are formed between 132.
With reference to Fig. 4 and Fig. 5, shell 1 is connected with drive end bearing bracket 2, and 2 entirety of drive end bearing bracket is in bowl structure and the peripheral wall of drive end bearing bracket 2
Circumferentially there are four the first grafting to cover 23 for spaced set, is offered in the first grafting set 23 identical with 13 axial direction of shaft
First inserting groove 231；The periphery wall of shell 1 has the second grafting set abutted with the first grafting set 23 along its circumferential spaced set
11, the second inserting groove 111 identical with 13 axial direction of shaft is offered in the second grafting set 11, the first inserting groove 231 and the
The opening of two inserting grooves 111 mutually communicates, and in being equipped with 2 He of drive end bearing bracket in the first inserting groove 231 and the second inserting groove 111
The grafting tenon 112 that shell 1 connects.The both ends of grafting tenon 112 are disposed as bulb-type, and first grafting is covered 23 in grafting tenon 112
After being connect with the second grafting set 11, groove bottom of the grafting tenon 112 just with the first inserting groove 231 and the second inserting groove 111 is supported
It connects.The lower section of shell 1 is provided with the seat angle 15 being supported to shell 1, and seat angle 15 is along 13 axis direction of shaft, 2 side of end cap forward
Carrier 151 is extended to form, after drive end bearing bracket 2 is connect with shell 1, carrier 151 is located at 2 lower section of drive end bearing bracket to drive end bearing bracket 2
It is supported.
Referring to figure 6 and figure 7, the center of drive end bearing bracket 2 towards 1 interior side of shell is provided with mounting base 21, mounting base
The mounting groove 211 being embedded for bearing 22 is offered on 21, the circumferential cell wall of mounting groove 211 is provided with limited post 2111, bearing 22
The limiting slot 221 slid for limited post 2111 is offered on outer ring, and oil storage is formed between the groove bottom and bearing 22 of mounting groove 211
Chamber 212 offers the pouring orifice being connected to shoe cream room 212 on drive end bearing bracket 2, is additionally provided on drive end bearing bracket 2 pouring orifice is closed
Oil nozzle 214, oil nozzle 214 is including cylindrical structure and the sealing 2141 being threaded in pouring orifice and is connected to drive end bearing bracket
2 screw portion 2142 on end face at pouring orifice, screw and are additionally provided with increase human hand in the circumferential side wall in portion 2142 and screw
The non-slip texture 2143 to rub between portion 2142, wherein 2143 direction of non-slip texture are identical as the axial direction of sealing 2141.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of utility model.
Claims (10)
1. a kind of threephase asynchronous machine facilitating repair, including shell（1）, be threaded through shell（1）Internal shaft（13）With shell
Body（1）Connected drive end bearing bracket（2）And it is arranged in drive end bearing bracket（2）Upper countershaft（13）The bearing being supported（22）, feature
It is, the drive end bearing bracket（2）On be provided with the first grafting set（23）, the first grafting set（23）It inside offers and shaft（13）
Identical first inserting groove of axial direction（231）, the shell（1）On offer the second grafting set（11）, second grafting
Set（11）It inside offers and the first inserting groove（231）Second inserting groove of connection（111）, first inserting groove（231）And institute
State the second inserting groove（111）Pass through grafting tenon after connection（112）By drive end bearing bracket（2）And shell（1）It is connected.
2. a kind of threephase asynchronous machine facilitating repair according to claim 1, which is characterized in that the shell（1）Under
Side has been wholely set to shell（1）The seat angle being supported（15）, the seat angle（15）Along shaft（13）Axis direction forward end
Lid（2）Side is extended to form to drive end bearing bracket（2）The carrier being supported（151）.
3. a kind of threephase asynchronous machine facilitating repair according to claim 1, which is characterized in that the first grafting set
（23）With the second grafting set（11）Along drive end bearing bracket（2）And shell（1）Circumferential spaced set there are four.
4. a kind of threephase asynchronous machine facilitating repair according to claim 1, which is characterized in that the grafting tenon
（112）Both ends be disposed as bulb-type.
5. a kind of threephase asynchronous machine facilitating repair according to claim 1, which is characterized in that the drive end bearing bracket（2）
On offer for bearing（22）The mounting base of setting（21）, the mounting base（21）It is interior to have for bearing（22）The mounting groove being embedded
（211）.
6. a kind of threephase asynchronous machine facilitating repair according to claim 5, which is characterized in that the mounting groove
（211）Side wall on open up and be provided with limited post（2111）, the bearing（22）It is offered for limited post on outer ring（2111）It is sliding
The limiting slot of shifting（221）.
7. a kind of threephase asynchronous machine facilitating repair according to claim 5, which is characterized in that the mounting groove
（211）Groove bottom and bearing（22）Between form shoe cream room（212）, the drive end bearing bracket（2）On be provided with and shoe cream room（212）
The oil filler point of connection（213）.
8. a kind of threephase asynchronous machine facilitating repair according to claim 7, which is characterized in that the drive end bearing bracket（2）
On be threaded with oil filler point（213）Closed oil nozzle（214）.
9. a kind of threephase asynchronous machine facilitating repair according to claim 8, which is characterized in that the oil nozzle（214）
Include and oil filler point（213）The sealing of threaded connection（2141）And circumferential evagination formed screw portion（2142）, described
Screw portion（2142）Circumferential side wall be additionally provided with and sealing（2141）The identical non-slip texture of axial direction（2143）.
10. a kind of threephase asynchronous machine facilitating repair according to claim 1, which is characterized in that the shaft（13）
Including main shaft section（131）And for bearing（22）The construction section of setting（132）, the construction section（132）Maximum gauge be less than
Main shaft section（131）Minimum diameter, the main shaft section（131）With construction section（132）Joint face formed for bearing（22）It abuts
Confined planes（133）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718200.6U CN207720007U (en) | 2017-12-11 | 2017-12-11 | A kind of threephase asynchronous machine facilitating repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718200.6U CN207720007U (en) | 2017-12-11 | 2017-12-11 | A kind of threephase asynchronous machine facilitating repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207720007U true CN207720007U (en) | 2018-08-10 |
Family
ID=63060375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721718200.6U Active CN207720007U (en) | 2017-12-11 | 2017-12-11 | A kind of threephase asynchronous machine facilitating repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207720007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224529A (en) * | 2019-07-12 | 2019-09-10 | 太仓市悦博电动科技有限公司 | A kind of quick service type electric machine casing |
| CN112994314A (en) * | 2021-04-21 | 2021-06-18 | 常州江苏大学工程技术研究院 | Dust collector motor convenient to maintain and working method thereof |
-
2017
- 2017-12-11 CN CN201721718200.6U patent/CN207720007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224529A (en) * | 2019-07-12 | 2019-09-10 | 太仓市悦博电动科技有限公司 | A kind of quick service type electric machine casing |
| CN112994314A (en) * | 2021-04-21 | 2021-06-18 | 常州江苏大学工程技术研究院 | Dust collector motor convenient to maintain and working method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |