CN206452231U - A kind of high-speed electric expreess locomotive structure - Google Patents
A kind of high-speed electric expreess locomotive structure Download PDFInfo
- Publication number
- CN206452231U CN206452231U CN201720067851.7U CN201720067851U CN206452231U CN 206452231 U CN206452231 U CN 206452231U CN 201720067851 U CN201720067851 U CN 201720067851U CN 206452231 U CN206452231 U CN 206452231U
- Authority
- CN
- China
- Prior art keywords
- bearing
- press cover
- outer press
- ventilating duct
- gland
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of high-speed electric expreess locomotive structure, including shell, drive end bearing bracket, bearing gland, bearing and rotating shaft, ventilating duct is provided between case surface and accommodating cavity, fin is set in each ventilating duct, the bearing gland includes bearing outer press cover and bearing internal gland, and extreme direction is socketed with bearing outer press cover, bearing internal gland and bearing successively backward for axis of rotation front end；The bearing outer press cover holds out against screw provided with several, and described hold out against is provided with Top fastening screw in screw, the Top fastening screw presses closer bearing internal gland front end face.The utility model improves rate of heat dispation by setting ventilating duct and setting effective contact area of fin, increase motor housing and extraneous air in ventilating duct；Other the utility model tightens the Top fastening screw of bearing outer press cover setting in creating when, Top fastening screw can compress bearing internal gland, cause bearing outer press cover to be moved forward with respect to rotating shaft, tighten up the thread space between bearing outer press cover and rotating shaft, improve dust-proof effect.
Description
Technical field
The utility model is related to machine field, more specifically to a kind of high speed of rotating speed more than 6000 revs/min
Electric machine structure.
Background technology
High-speed electric expreess locomotive generally existing problems with of the existing rotating speed at 6000 revs/min：It is primarily due to the rotating speed of rotating shaft
Comparatively fast, cause produced heat big, the parts in motor are caused with bad influence, service life is greatly lowered；Its
It is secondary precisely due to vibration problem caused by high rotating speed, although the amplitude of vibration less, but with the passage of run time, greatly
The trickle dust of amount still can enter motor internal from the space of end cap and rotating shaft connecting portion, and the time one, which is grown, can also influence motor
Operation conditions cleaning dedusting is carried out to its inside, it is necessary to which staff often opens motor, clean and maintenance frequency is high.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of radiating rate soon, the good electric machine structure of dust-proof effect.
The solution that the utility model solves its technical problem is：
A kind of high-speed electric expreess locomotive structure, including shell, drive end bearing bracket, bearing gland, bearing and rotating shaft, the housing profile is in
It is square, cylindrical accommodating cavity is provided with the shell, between case surface and accommodating cavity provided with 4 axially extend it is logical
Multiple fin axially extended are provided with air channel, each ventilating duct；The bearing gland includes bearing outer press cover and axle
Internal gland is held, the rotating shaft is provided with preceding external thread section, and the rear of preceding external thread section is more than bearing provided with bearing construction section and diameter
The step section of construction section；Extreme direction is socketed with bearing outer press cover, bearing internal gland and bearing successively backward for axis of rotation front end, described
The rear end face of bearing internal gland and the front end face apical grafting of bearing, the rear end face of the bearing and the front end face top of the step section
Connect, the bearing internal gland and bearing are respectively positioned on bearing construction section；The drive end bearing bracket is socketed in outside bearing internal gland and bearing
Side, the front end face of drive end bearing bracket connects with bearing outer press cover；Tool is outputed in the middle of the bearing outer press cover female, same with rotating shaft
Axle and the hole spun with the preceding external thread section, the bearing outer press cover provided with several with rotating shaft is axially in parallel holds out against
Screw, described hold out against is provided with Top fastening screw in screw, the Top fastening screw presses closer bearing internal gland front end face.
As the further improvement of above-mentioned technical proposal, the ventilating duct is symmetrically disposed in the upper left side of shell, lower-left
Side, upper right side and lower right, the ventilating duct are in triangle column, and the ventilating duct inclined-plane is set to circular arc, and radian is with holding
Put chamber radian consistent, the fin is equidistantly evenly distributed on the ventilating duct inclined-plane.
As the further improvement of above-mentioned technical proposal, the shell is formed in one.
As the further improvement of above-mentioned technical proposal, the front end face of the drive end bearing bracket is provided with scrobicular ring, the bearing external pressure
The rear end face of lid is provided with the bulge loop being mutually matched with scrobicular ring.
As the further improvement of above-mentioned technical proposal, the bearing internal gland side, which is provided with groove, the groove, to be set
There is rubber ring, the thickness of the rubber ring is more than groove height, and the drive end bearing bracket is socketed in outside bearing internal gland and extrudes rubber
Cushion rubber.
As the further improvement of above-mentioned technical proposal, the bearing is single-groove grooved ball bearing.
It is used as the further improvement of above-mentioned technical proposal, in addition to the fan housing installed in motor end, the fan housing middle part
Several bars are provided with, stiffener is provided between a bar.
The beneficial effects of the utility model are：The utility model is radiated by setting ventilating duct and being set in ventilating duct
Effective contact area of piece, increase motor housing and extraneous air, improves rate of heat dispation, effectively reduction motor internal temperature；Separately
Outer the invention middle (center) bearing outer press cover is connected with external thread section before bearing by helicitic texture, tightens the setting of bearing outer press cover
During Top fastening screw, Top fastening screw can compress bearing internal gland, because bearing internal gland, bearing and rotating shaft step section apical grafting are fixed
As an entirety, cause bearing outer press cover to be moved forward with respect to rotating shaft, tighten up the thread space between bearing outer press cover and rotating shaft,
Improve dust-proof effect.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is side cut away view of the present utility model；
Fig. 2 is the front view of the utility model shell；
Fig. 3 is the front view of the utility model fan housing.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belongs to the model of the utility model protection
Enclose.In addition, all connecting relations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific implementation feelings
Condition, by adding or reducing couple auxiliary, to constitute more excellent draw bail.Each technical characteristic in the invention,
Can be with combination of interactions on the premise of not conflicting conflict.
1~Fig. 3 of reference picture, the invention discloses a kind of high-speed electric expreess locomotive structure, including shell 1, drive end bearing bracket 2, bearing
Gland, bearing 4 and rotating shaft 5, the profile of shell 1 are square, and cylindrical accommodating cavity 11 are provided with the shell 1, outside
Provided with 4 ventilating ducts 12 axially extended between the surface of shell 1 and accommodating cavity 11, it is provided with each ventilating duct 12 multiple along axle
To the fin 13 of extension, compared with existing motor housing 1, by setting up ventilating duct 12 and fin 13, motor is increased
The contact area of shell 1 and extraneous air, while strengthening convection effects, improves interior during rate of heat dispation, effectively reduction motor operation
Portion's temperature, reduces failure probability, improves the motor operation life-span.
Bearing gland includes bearing outer press cover 31 and bearing internal gland 32, the rotating shaft 5 described in other the invention
Provided with preceding external thread section, the rear of preceding external thread section is more than the step section of bearing construction section provided with bearing construction section and diameter；From
Extreme direction is socketed with bearing outer press cover 31, bearing internal gland 32 and bearing 4, the bearing internal gland to the front end of rotating shaft 5 successively backward
32 rear end face and the front end face apical grafting of bearing 4, the rear end face of the bearing 4 and the front end face apical grafting of the step section, it is described
Bearing internal gland 32 and bearing 4 are respectively positioned on bearing construction section；The drive end bearing bracket 2 is socketed in outside bearing internal gland 32 and bearing 4
Side, the front end face of drive end bearing bracket 2 connects with bearing outer press cover 31；Outputed in the middle of the bearing outer press cover 31 tool it is female, with
Rotating shaft 5 is coaxial and the hole that is spun with the preceding external thread section, the bearing outer press cover 31 provided with several and rotating shaft 5 axially
Parallel holds out against screw, and described hold out against is provided with Top fastening screw 6 in screw, the Top fastening screw 6 is pressed closer before bearing internal gland 32
End face.Specifically, when carrying out motor installation, the Top fastening screw 6 set on bearing outer press cover 31 is tightened, Top fastening screw 6 can be pressed
Mandrel holds internal gland 32, and the front end face apical grafting of bearing internal gland 32, bearing 4 and the step section of rotating shaft 5 forms one together
Fixed entirety, pedestal is puted forth effort equivalent to providing one for Top fastening screw 6, while tightening Top fastening screw 6, bearing outer press cover 31
Moved forward relative to rotating shaft 5, tighten up the thread space of external thread section before bearing outer press cover 31 and rotating shaft 5, reduction dust from this
Position enters the possibility of motor internal, improves the dust-proof effect of motor.
It is further used as preferred embodiment, the ventilating duct 12 is symmetrically disposed in the upper left side of shell 1, lower-left
Side, upper right side and lower right, the ventilating duct 12 are in triangle column, and the inclined-plane of ventilating duct 12 is set to circular arc, radian
Consistent with the radian of accommodating cavity 11, the fin 13 is equidistantly evenly distributed on the inclined-plane of ventilating duct 12, it is easy to increase empty
Gas convection current, improves rate of heat dispation, specifically, 5 fin is provided with each ventilating duct 12 in the utility model embodiment
13。
It is further used as preferred embodiment, motor housing 1 described in the invention is integrally formed, it is easy to raw
Production, while installation part can be reduced, improves installation effectiveness.
It is further used as preferred embodiment, the front end face of the drive end bearing bracket 2 is provided with scrobicular ring, the bearing outer press cover 31
Rear end face be provided with the bulge loop that is mutually matched with scrobicular ring, by the cooperation of the scrobicular ring and bulge loop, form a labyrinth shape knot
Structure, improves dust-proof effect, while be also convenient for bearing outer press cover 31 carries out quick location and installation with drive end bearing bracket 2.
It is further used as preferred embodiment, it is recessed provided with two in the side of bearing internal gland 32 in the invention
Groove, the groove surfaces are provided with rubber ring 7, and the thickness of the rubber ring 7 is more than groove height, when motor is installed, 2 sets of drive end bearing bracket
It is connected on the outside of bearing internal gland 32 and extrudes rubber ring 7, can prevent extraneous steam from entering motor internal, influence motor is normally transported
OK.
It is further used as preferred embodiment, the bearing 4 is single-groove grooved ball bearing, compared with conventional bearing,
The invention utilizes the single-groove grooved ball bearing, effectively reduces moment of friction, it is adaptable to which there is provided electricity for the motor of high-speed rotation
Machine service life, while the noise produced by can also effectively reducing in motor operation course.
It is further used as preferred embodiment, in addition to the fan housing 8 installed in motor end, the fan housing middle part is set
Have and be provided with stiffener 82 between several bars 81, a bar 81.Compared with existing motor fan housing, the invention is in a bar
The mechanical strength of stiffener 82, effectively enhancing fan housing 8 is set between 81, prevents the shape deformed occur in carrying or process
Condition, while by the setting of a bar 81 and stiffener 82, forming specific air channel, reduces windage, reduces noise intensity, convection current effect
Fruit increases, and improves cooling rate.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (7)
1. a kind of high-speed electric expreess locomotive structure, including shell, drive end bearing bracket, bearing gland, bearing and rotating shaft, it is characterised in that：It is described
Housing profile is square, and cylindrical accommodating cavity is provided with the shell, and 4 are provided between case surface and accommodating cavity along axle
To the ventilating duct of extension, multiple fin axially extended are provided with each ventilating duct；The bearing gland includes bearing
Outer press cover and bearing internal gland, the rotating shaft are provided with preceding external thread section, and the rear of preceding external thread section is provided with bearing construction section and straight
Footpath is more than the step section of bearing construction section；Extreme direction is socketed with bearing outer press cover, bearing internal gland successively backward for axis of rotation front end
And bearing, the rear end face of the bearing internal gland and the front end face apical grafting of bearing, the rear end face of the bearing and the step section
Front end face apical grafting, the bearing internal gland and bearing are respectively positioned on bearing construction section；The drive end bearing bracket is socketed in bearing internal pressure
On the outside of lid and bearing, the front end face of drive end bearing bracket connects with bearing outer press cover；Outputed in the middle of the bearing outer press cover with internal thread
, with rotating shaft is coaxial and hole that spun with the preceding external thread section, the bearing outer press cover is provided with several and rotating shaft axle
To the parallel screw that holds out against, described hold out against is provided with Top fastening screw in screw, the Top fastening screw presses closer bearing internal gland front end
Face.
2. electric machine structure according to claim 1, it is characterised in that：The ventilating duct is symmetrically disposed in the upper left of shell
Side, lower left, upper right side and lower right, the ventilating duct are in triangle column, and the ventilating duct inclined-plane is set to circular arc, arc
Degree is consistent with accommodating cavity radian, and the fin is equidistantly evenly distributed on the ventilating duct inclined-plane.
3. electric machine structure according to claim 2, it is characterised in that：The shell is formed in one.
4. electric machine structure according to claim 1, it is characterised in that：The front end face of the drive end bearing bracket is provided with scrobicular ring, described
The rear end face of bearing outer press cover is provided with the bulge loop being mutually matched with scrobicular ring.
5. electric machine structure according to claim 4, it is characterised in that：The bearing internal gland side is provided with groove, described
Rubber ring is provided with groove, the thickness of the rubber ring is more than groove height, and the drive end bearing bracket is socketed in outside bearing internal gland
And extrude rubber ring.
6. electric machine structure according to claim 1, it is characterised in that：The bearing is single-groove grooved ball bearing.
7. electric machine structure according to claim 1, it is characterised in that：Also include the fan housing installed in motor end, it is described
Several bars are provided with the middle part of fan housing, stiffener is provided between a bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067851.7U CN206452231U (en) | 2017-01-17 | 2017-01-17 | A kind of high-speed electric expreess locomotive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067851.7U CN206452231U (en) | 2017-01-17 | 2017-01-17 | A kind of high-speed electric expreess locomotive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206452231U true CN206452231U (en) | 2017-08-29 |
Family
ID=59667694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720067851.7U Withdrawn - After Issue CN206452231U (en) | 2017-01-17 | 2017-01-17 | A kind of high-speed electric expreess locomotive structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206452231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602784A (en) * | 2017-01-17 | 2017-04-26 | 佛山市南海区天洋电机制造有限公司 | High-speed motor structure |
| CN110138106A (en) * | 2019-06-14 | 2019-08-16 | 莫力达瓦达斡尔族自治旗安信安全防范技术服务有限公司 | Unmanned plane motor |
-
2017
- 2017-01-17 CN CN201720067851.7U patent/CN206452231U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602784A (en) * | 2017-01-17 | 2017-04-26 | 佛山市南海区天洋电机制造有限公司 | High-speed motor structure |
| CN106602784B (en) * | 2017-01-17 | 2023-06-20 | 广东天洋电机有限公司 | High-speed motor structure |
| CN110138106A (en) * | 2019-06-14 | 2019-08-16 | 莫力达瓦达斡尔族自治旗安信安全防范技术服务有限公司 | Unmanned plane motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170829 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170829 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |