CN207926329U - A kind of driving double-speed motor of railcar current transformer cooling blower - Google Patents
A kind of driving double-speed motor of railcar current transformer cooling blower Download PDFInfo
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- CN207926329U CN207926329U CN201721237130.2U CN201721237130U CN207926329U CN 207926329 U CN207926329 U CN 207926329U CN 201721237130 U CN201721237130 U CN 201721237130U CN 207926329 U CN207926329 U CN 207926329U
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- bearing
- engine base
- frame assembly
- current transformer
- field frame
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Abstract
The utility model is related to a kind of driving double-speed motors of railcar current transformer cooling blower, including axis of walking around, drive end bearing bracket, shaft block ring, bearing, fore bearing inner cover, engine base, field frame assembly, rotor assembly, holding screw, rear end cap, steel waveform spring, terminal box, metal waterproof connector and fastener, the front and rear cover of this driving motor is fixed on engine base both ends；There are stator, rotor to be located in field frame assembly in engine base, cooling fin is set on engine base, shaft both ends are equipped with bearing, and bearing is located in the bearing chamber of front and rear cover, and rear end bearing outer ring or so is equipped with gap, give thermal expansion spacing；Metal waterproof connector is drawn by power cord from field frame assembly；Power on, power is provided to motor.Engine base and front and rear cover are cast aluminum construction.This motor weight is light, compact appearance is beautiful, thermal diffusivity is good, and vibration is low with noise, graded dielectric material is high, performance is stablized, safe and reliable to operation.
Description
Technical field
The utility model is related to a kind of driving double-speed motors of railcar current transformer cooling blower, it is as subway
The driving equipment of current transformer cooling blower.
Background technology
Currently, the driving double-speed motor of railcar current transformer cooling blower is typically totally enclosed both at home and abroad, complete machine
Degree of protection IP55, wherein terminal box degree of protection IP67.It is cold that drive motor requirement has the outer subway current transformer of Now Domestic
But blower motor feature, motor drive wind turbine provide cooling wind for current transformer, and the heat inside current transformer is taken away.Because of subway
The particularity and common motor of the factors such as the mounting condition of the drive motor of vehicle converter cooling blower and use environment
It is different, it is desirable that motor heat dissipation is good, dust-proof, water resistance is good, high temperature resistant, Environmental Safety, and reliability is high, service life
It is long.Also just say, the factors such as the mounting condition of the drive motor of railcar current transformer cooling blower and use environment it is special
Property, it is desirable that the particularity of drive motor shape and internal structure, and, class of insulation height, security reliability good with thermal diffusivity
The features such as.It is required that reducing driving motor vibration, the dynamic balance grade of rotor requires height, while motor-car requires all nonmetallic materials
With low cigarette, nontoxic and fire-retardant etc. characteristics, prevents fire hazard and human body is not caused to damage when there is rough sledding.It is former
Some driving motors are difficult to meet the requirements, and need to improve.
Invention content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide one kind have special construction and thermal diffusivity it is good, it is dust-proof,
Water resistance is good, and the driving for vibrating, dependable performance low with noise and railcar current transformer cooling blower with long service life is double
The driving double-speed motor for the railcar current transformer cooling blower that speed motor and shaft are stretched out from front end.
Technical solution used by the utility model is：
A kind of driving double-speed motor of railcar current transformer cooling blower, including shaft, drive end bearing bracket, shaft block ring, axis
It holds, fore bearing inner cover, engine base, field frame assembly, rotor assembly, holding screw, rear end cap, terminal box, metal waterproof connector and tight
Firmware, the drive end bearing bracket and rear end cap of driving motor are fixed on engine base both ends, which is equipped with cooling fin, and stator is housed in engine base
Assembly, field frame assembly are fixed on by tight ingot screw in engine base, and rotor assembly is arranged in field frame assembly, and rotor assembly passes through magnetic field
Act on rotation in field frame assembly.
The shaft both ends are equipped with bearing, and the bearing at both ends is separately positioned in the bearing chamber of drive end bearing bracket and rear end cap,
Front end bearing outer ring is connect by screw with fore bearing inner cover；Drive end bearing bracket bearing outer ring is connected with fore bearing inner cover, and inner ring uses
End ring is fixed；
Steel waveform spring is installed in the rear end cap, gives bearing axial pre tightening force；Axial float is prevented, axis is improved
Hold service life.
Terminal box is arranged on engine base, and metal waterproof connector is drawn by power cord from stator；
It is provided with mounting hole on the engine base, which is fixed on current transformer cooling blower by the mounting hole pacifies
In loading board；
The bearing is deep groove ball bearing.
Engine base, drive end bearing bracket and the rear end cap is cast aluminum construction.
This driving double-speed motor uses inverter supply, and H grade of the class of insulation, insulating materials is with low cigarette, nontoxic and fire-retardant
Etc. characteristics.Respectively there is gap in rear end bearing outer ring of driving motor or so, gives thermal expansion spacing；Driving motor is using anticorona
H class F insulating material Fs simultaneously have low cigarette, nontoxic, flame retardant property, to adapt to motor-car vehicle safety requirements；Drive motor passes through engine base spiral shell
Hole is mounted on fan installation plate.
In conclusion the utility model provides driving as the driving equipment of railcar current transformer cooling blower
Power, this drive motor special construction, have it is light-weight, compact appearance is beautiful, thermal diffusivity is good, vibrate, insulation material low with noise
Expect the characteristics such as grade height, safety and environmental protection.Its working condition is that drive motor is mounted on by engine base screw hole on fan installation plate, wind
The performance of machine and drive motor is stablized, safe and reliable to operation.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the right side structural representation of the utility model；
In figure：1- shafts, 2- drive end bearing brackets, 3- shaft block rings, 4- bearings, 5- fore bearing inner covers, 6- engine bases, 7- stators are total
At, 8- rotor assemblies, 9- holding screws, 10- rear end caps, 11- steel waveform springs, 12- terminal boxes, 13- metal waterproof connectors.
Specific implementation mode
With reference to above-mentioned attached drawing, a kind of driving double-speed motor of railcar current transformer cooling blower, including shaft 1, front end
Lid 2, shaft block ring 3, bearing 4, fore bearing inner cover 5, engine base 6, field frame assembly 7, rotor assembly 8, holding screw 9, rear end cap 10,
Terminal box 12, metal waterproof connector 13 and fastener, the drive end bearing bracket 2 and rear end cap 10 of driving motor are fixed on 6 both ends of engine base, should
Engine base 6 is equipped with cooling fin, and field frame assembly 7 is housed in engine base 6, and field frame assembly 7 is fixed on by tight ingot screw 9 in engine base 6, fixed
Rotor assembly 8 is set in sub- assembly 7
1 both ends of shaft are equipped with bearing 4, and the bearing 4 at both ends is separately positioned in the bearing chamber of drive end bearing bracket 2 and rear end cap 10,
4 outer ring of preceding end bearing is connect by screw with fore bearing inner cover 5；
Steel waveform spring 11 is installed in rear end cap 10, gives 4 axial pre tightening force of bearing；
Terminal box 12 is arranged on engine base 6, and metal waterproof connector 13 is drawn by power cord from field frame assembly 7；
It is provided with mounting hole on engine base 6, which is fixed on current transformer cooling blower mounting plate by the mounting hole
On；
Bearing 4 is deep groove ball bearing.
Engine base 6, drive end bearing bracket 2 and rear end cap 10 are cast aluminum construction, and material is ZL205A.Motor insulation material is entirely H
The low smoke and non-toxic material of grade.
The utility model have it is light-weight, compact appearance is beautiful, thermal diffusivity is good, vibrate, graded dielectric material low with noise
The characteristics such as height, safety and environmental protection.Its working condition, which is drive motor, to be mounted on by flange plate screw hole on fan installation plate, wind turbine and
The performance of drive motor is stablized, safe and reliable to operation.
Claims (3)
1. a kind of driving double-speed motor of railcar current transformer cooling blower, including shaft（1）, drive end bearing bracket（2）, shaft block ring
（3）, bearing（4）, fore bearing inner cover（5）, engine base（6）, field frame assembly（7）, rotor assembly（8）, holding screw（9）, rear end cap
（10）, terminal box（12）, metal waterproof connector（13）And fastener, the drive end bearing bracket of driving motor（2）And rear end cap（10）It is fixed
In engine base（6）Both ends, the engine base（6）It is equipped with cooling fin, engine base（6）It is interior that field frame assembly is housed（7）, field frame assembly（7）Pass through
Tight ingot screw（9）It is fixed on engine base（6）It is interior, field frame assembly（7）Interior setting rotor assembly（8）It is characterized in that：
A, the shaft（1）Both ends are equipped with bearing（4）, the bearing at both ends（4）It is separately positioned on drive end bearing bracket（2）And rear end cap
（10）Bearing chamber in, preceding end bearing（4）Outer ring passes through screw and fore bearing inner cover（5）Connection；
B, the rear end cap（10）Steel waveform spring is inside installed（11）, give bearing（4）Axial pre tightening force；
C, the terminal box（12）It is arranged in engine base（6）On, metal waterproof connector（13）By power cord from field frame assembly（7）
Middle extraction；
D, the engine base（6）On be provided with mounting hole, which is fixed on current transformer cooling blower by the mounting hole
On mounting plate.
2. a kind of driving double-speed motor of railcar current transformer cooling blower as described in claim 1, it is characterised in that institute
The bearing stated（4）For deep groove ball bearing.
3. a kind of driving double-speed motor of railcar current transformer cooling blower as described in claim 1, it is characterised in that institute
The engine base stated（6）, drive end bearing bracket（2）And rear end cap（10）It is cast aluminum construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237130.2U CN207926329U (en) | 2017-09-26 | 2017-09-26 | A kind of driving double-speed motor of railcar current transformer cooling blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237130.2U CN207926329U (en) | 2017-09-26 | 2017-09-26 | A kind of driving double-speed motor of railcar current transformer cooling blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926329U true CN207926329U (en) | 2018-09-28 |
Family
ID=63611671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721237130.2U Active CN207926329U (en) | 2017-09-26 | 2017-09-26 | A kind of driving double-speed motor of railcar current transformer cooling blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926329U (en) |
-
2017
- 2017-09-26 CN CN201721237130.2U patent/CN207926329U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230721 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |