CN207926330U - A kind of driving double-speed motor of standard EMU traction motor cooling blower - Google Patents

Abstract

The utility model is related to a kind of driving double-speed motors of standard EMU traction motor cooling blower, including shaft, outside framework oil seal, steel waveform spring, drive end bearing bracket, bearing, engine base, field frame assembly, holding screw, rotor assembly, rear internal bearing cover, end ring, rear end cap, fan, fan housing, terminal box and fastener, the front and rear cover of this driving double-speed motor is fixed on engine base both ends；There are stator, rotor assembly 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 cap is equipped with fan shield, and front end bearing outer ring or so is equipped with gap, give thermal expansion spacing；Power cord is drawn 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

A kind of driving double-speed motor of standard EMU traction motor cooling blower

Technical field

The utility model is related to a kind of driving double-speed motors of standard EMU traction motor cooling blower, it is as dynamic The driving equipment of vehicle group traction electric machine cooling blower.

Background technology

Currently, the driving motor of EMU traction motor cooling blower is typically totally enclosed both at home and abroad, complete machine protection Grade IP55, wherein terminal box degree of protection IP67.Drive motor requires have the outer traction electric machine cooling blower of Now Domestic Motor characteristic feature, motor drive wind turbine provide cooling wind for traction electric machine, and the heat inside traction electric machine is taken away.Because of EMU The particularity of the factors such as the mounting condition of the drive motor of traction electric machine cooling blower and use environment and common motor 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 EMU traction motor 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 are badly in need of developing new driving motor, to meet customer requirement.

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, vibrates the standard EMU traction that, dependable performance low with noise and service life length and shaft are stretched out from front end The driving double-speed motor of motor cooling blower.

Technical solution used by the utility model is：A kind of driving double speed of standard EMU traction motor cooling blower Motor, including shaft, outside framework oil seal, steel waveform spring, drive end bearing bracket, bearing, engine base, field frame assembly, holding screw, rotor are total At, rear internal bearing cover, end ring, rear end cap, fan, fan housing, terminal box and fastener, it is characterised in that the driving is double The drive end bearing bracket and rear end cap of speed motor are fixed on engine base both ends；The engine base is equipped with cooling fin and terminal box, and cooling fin is arranged, Power cord is drawn from field frame assembly；Power on, power is provided to motor.

Cooling fin is set, motor heat is made to be exhaled from cooling fin；Field frame assembly, field frame assembly are housed in engine base It is fixed in engine base by tight ingot screw, rotor assembly is set in field frame assembly, and rotor assembly is by magnetic fields in stator It rotates, the outside framework oil seal for sealing gap between shaft and drive end bearing bracket, rear end cap is arranged in the extended position of shaft on the cover outer wall of front end Equipped with fan and fan housing；

The shaft is that structure is stretched out in front end, and shaft both ends are equipped with bearing, and the bearing at both ends is separately positioned on drive end bearing bracket In the bearing chamber of rear end cap, rear end bearing outer ring is connect by screw with rear internal bearing cover；

The steel waveform spring is mounted in motor front end cover, is given bearing axial pre tightening force, is prevented axial float, carry High bearing service life.

The driving double-speed motor is arranged by the mounting hole of drive end bearing bracket on traction electric machine cooling blower mounting plate.

The outside framework oil seal is separately mounted on motor front end cover and rear end cap, it is made preferably to play dust and water protection Effect.

The bearing is deep groove ball bearing.

Engine base, drive end bearing bracket and the rear end cap is cast aluminum construction.

Front end bearing outer ring of this driving motor or so is equipped with gap, gives thermal expansion spacing；Rear end cap equipped with fan and Fan housing；Be conducive to driving motor preferably to radiate,

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.The front end bearing outer ring or so of driving double-speed motor respectively has gap, gives thermal expansion spacing；Double-speed motor is driven to use Anticorona H class F insulating material Fs and with low cigarette, nontoxic, flame retardant property, to adapt to motor-car vehicle safety requirements；Drive double speed electronic Machine is mounted on by flange plate screw hole on fan installation plate.Drive steel waveform spring, insulating materials in double-speed motor whole It adopts and customizes from specified producer.

In conclusion the utility model provides driving force as the driving equipment of EMU traction motor cooling blower, This driving double-speed motor special construction, have it is light-weight, compact appearance is beautiful, thermal diffusivity is good, vibrate, insulating materials low with noise The characteristics such as grade height, safety and environmental protection, performance 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- outside framework oil seals, 3- steel waveform springs, 4- drive end bearing brackets, 5- bearings, 6- engine bases, 7- stators Assembly, 8- holding screws, 9- rotor assemblies, internal bearing cover after 10-, 11- end rings, 12- rear end caps, 13- fans, 14- wind Cover, 15- terminal boxes.

Specific implementation mode：

With reference to above-mentioned attached drawing, a kind of driving double-speed motor of standard EMU traction motor cooling blower, including shaft 1, Outside framework oil seal 2, steel waveform spring 3, drive end bearing bracket 4, bearing 5, engine base 6, field frame assembly 7, holding screw 8, rotor assembly 9, after Internal bearing cover 10, end ring 11, rear end cap 12, fan 13, fan housing 14, terminal box 15 and fastener, it is characterised in that：Institute The drive end bearing bracket 4 and rear end cap 12 for the driving double-speed motor stated are fixed on 6 both ends of engine base；The engine base 6 is equipped with cooling fin and wiring Box 15, power cord are drawn from field frame assembly 7；Power on, power is provided to motor.

Field frame assembly 7 is housed, field frame assembly 7 is fixed on by tight ingot screw 8 in engine base 6, in field frame assembly 7 in engine base 6 Rotor assembly 9 is set, on 4 outer wall of drive end bearing bracket the extended position setting of shaft 1 seal the bone in gap between shaft 1 and drive end bearing bracket 4 Frame oil sealing 2, rear end cap 12 are equipped with fan 13 and fan housing 14；

The shaft 1 is that structure is stretched out in front end, and 1 both ends of shaft are equipped with bearing 5, before the bearing 5 at both ends is separately positioned on In the bearing chamber of end cap 4 and rear end cap 12,5 outer ring of rear end bearing is connect by screw with rear internal bearing cover 10；

The steel waveform spring 3 is mounted in motor front end cover 4, gives 5 axial pre tightening force of bearing, prevents axial alter It is dynamic, improve the effect of bearing service life.

The driving double-speed motor is arranged by the mounting hole of drive end bearing bracket 4 on traction electric machine cooling blower mounting plate.

The outside framework oil seal 2 is separately mounted on motor front end cover 4 and rear end cap 12.Preferably play dust and water protection Effect.

The bearing 5 is deep groove ball bearing；Engine base 6, drive end bearing bracket 4 and rear end cap 12 are cast aluminum construction.

The engine base 6 and drive end bearing bracket 4 and rear end cap 12 of this driving double-speed motor are cast aluminum construction；Material is ZL205A.Electricity Machine insulating materials is entirely H grades of low smoke and non-toxic material, and customized from specified producer.

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；The performance of double-speed motor is driven to stablize, it is safe and reliable to operation.

Claims (4)

1. a kind of driving double-speed motor of standard EMU traction motor cooling blower, including shaft（1）, outside framework oil seal（2）, steel Waveform spring processed（3）, drive end bearing bracket（4）, bearing（5）, engine base（6）, field frame assembly（7）, holding screw（8）, rotor assembly（9）、 Internal bearing cover afterwards（10）, end ring（11）, rear end cap（12）, fan（13）, fan housing（14）, terminal box（15）And fastener, It is characterized in that：

The drive end bearing bracket of the driving double-speed motor（4）And rear end cap（12）It is fixed on engine base（6）Both ends；The engine base（6）On set There are cooling fin and terminal box（15）, power cord is from field frame assembly（7）Middle extraction；Engine base（6）It is interior that field frame assembly is housed（7）, stator Assembly（7）Pass through tight ingot screw（8）It is fixed on engine base（6）It is interior, field frame assembly（7）Interior setting rotor assembly（9）, drive end bearing bracket（4） Shaft on outer wall（1）Extended position setting seal shaft（1）With drive end bearing bracket（4）Between gap outside framework oil seal（2）, rear end cap （12）Equipped with fan（13）And fan housing（14）；

The shaft of the driving double-speed motor（1）Structure, shaft are stretched out for front end（1）Both ends are equipped with bearing（5）, the axis at both ends It holds（5）It is separately positioned on drive end bearing bracket（4）And rear end cap（12）Bearing chamber in, rear end bearing（5）Outer ring passes through screw and rear axle Hold inner cover（10）Connection；

The steel waveform spring（3）Mounted on motor front end cover（4）It is interior；

The driving double-speed motor passes through drive end bearing bracket（4）Mounting hole be arranged on traction electric machine cooling blower mounting plate.

2. driving double-speed motor as described in claim 1, it is characterised in that the outside framework oil seal（2）It is separately mounted to motor Drive end bearing bracket（4）And rear end cap（12）On.

3. driving double-speed motor as described in claim 1, it is characterised in that the bearing（5）For deep groove ball bearing.

4. driving double-speed motor as described in claim 1, it is characterised in that the engine base（6）, drive end bearing bracket（4）And rear end cap （12）It is cast aluminum construction.