CN208508666U - A kind of driving motor of locomotive traction ventilation blower - Google Patents

Abstract

The utility model relates to a kind of driving motors of locomotive traction ventilation blower, including shaft, external outside framework oil seal, circlip for shaft, bearing, fore bearing inner cover, drive end bearing bracket, field frame assembly, terminal box, terminal plate, base, rotor assembly, rear end cap, steel waveform spring, rear bearing inner cover, internal frame oil sealing, circlip for hole and fastener；The front and rear cover of this driving motor is fixed on base both ends；There is field frame assembly in base, rotor is located in field frame assembly, and base is equipped with heat dissipation ventilation hole, both ends of the shaft is equipped with bearing, and bearing is located in the bearing chamber of front and rear cover, and rear end cap is equipped with heat dissipation ventilation hole, rear end bearing outer ring or so is equipped with gap, gives thermal expansion reserved space；Power supply line is drawn from field frame assembly, is powered on, and provides power to motor.Base, drive end bearing bracket and rear end cap are cast-iron structure.This motor weight is light, compact appearance is beautiful, thermal diffusivity is good, and vibration is low with noise, insulating materials temperature classification is high, performance is stablized, safe and reliable to operation.

Description

A kind of driving motor of locomotive traction ventilation blower

Technical field

The utility model relates to the driving equipment of electric locomotive traction ventilation blower, in particular to a kind of locomotive traction ventilation blower Driving motor.

Background technique

Currently, the driving motor of the traction ventilator of electric locomotive both at home and abroad is typically totally enclosed, complete machine protection etc. Grade IP23.Drive motor requires have the outer traction ventilator motor characteristic feature of Now Domestic, and motor drive blower is that traction is logical Blower provides cooling wind, and the heat inside locomotive traction motor is taken away.Because of the driving motor of electric locomotive traction ventilation blower The particularity and common motor of the factors such as running environment, the class of pollution, height above sea level, overvoltage category, environment temperature, ambient humidity It is different, it is desirable that motor heat dissipation is good, high temperature resistant, Environmental Safety, high reliablity, long service life.That is, electric locomotive The particularity of the factors such as the mounting condition of the driving motor of traction ventilator and use environment, it is desirable that driving motor shape and inside The features such as particularity of structure, and have thermal diffusivity good, the class of insulation is high, security reliability.It is required that the vibration of driving motor is low, The dynamic balance grade of rotor requires high, while locomotive requires all nonmetallic materials to have low cigarette, nontoxic and fire-retardant etc. characteristics, prevents Only fire hazard and human body is not caused to damage when there is rough sledding.Existing driving motor is difficult to meet the requirements, anxious It needs to improve.

Summary of the invention

There is special construction purpose of the utility model is to overcome the above-mentioned shortcomings and provide one kind and thermal diffusivity is good, vibration The driving motor of, reliable performance low with noise and electric locomotive traction ventilation blower with long service life.

The technical scheme adopted by the utility model is a kind of driving motor of locomotive traction ventilation blower, including it is shaft, outer It sets outside framework oil seal, circlip for shaft, bearing, fore bearing inner cover, drive end bearing bracket, field frame assembly, terminal box, terminal plate, base, turn Sub- assembly, rear end cap, steel waveform spring, rear bearing inner cover, internal frame oil sealing, circlip for hole and fastener；Wherein, Drive end bearing bracket and rear end cap are fixed on field frame assembly both ends, which is fixed in base by holding screw, set on base There is heat dissipation ventilation hole, rotor assembly is set in field frame assembly, rotor assembly is made of shaft and cast-aluminum rotor；

The extended position of upper shaft is equipped with the external outside framework oil seal for sealing gap between shaft and drive end bearing bracket on the outside of drive end bearing bracket； Drive end bearing bracket and rear end cap are equipped with oil circuit, play the role of infusing lubricating grease；

Bearing is arranged in both ends of the shaft, 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 is fixing end, and front end bearing outer ring is fixed by fore bearing inner cover with drive end bearing bracket, and front end bearing inner race passes through axis elasticity gear Circle and shaft are fixed；Rear end bearing is floating end, and rear end bearing is by the indoor steel waveform spring of bearing of rear end cap to rear End bearing outer ring applies pretightning force；

Bearing chamber where preceding end bearing is closed by drive end bearing bracket and fore bearing inner cover, before being additionally provided in fore bearing inner cover Internal frame oil sealing is held, leading portion internal frame oil sealing is fixed in fore bearing inner cover by front end circlip for hole, plays increasing The effect of lubricating grease in strong sealing bearing chamber；Bearing chamber where rear end bearing is closed by rear end cap and rear bearing inner cover, after End internal frame oil sealing is fixed in rear bearing inner cover by rear end circlip for hole, plays lubrication in enhancing sealing bearing chamber The effect of rouge；

Drive end bearing bracket, rear end cap and base are bolted；

Rear end cap is equipped with the ventilation hole group of heat dissipation, and heat dissipation ventilation hole group is by the short, medium and long three bar shaped ventilation holes with radian The sector structure of composition, the heat dissipation ventilation hole group are evenly equipped with seven heat dissipation ventilation hole groups on rear end cap；

Terminal plate has the motor lead-out wire of wire loop for fixing belt, and terminal box covers terminal plate, plays mechanical protection Effect；

Base is equipped with installation threaded hole, and the driving motor of locomotive traction ventilation blower will by the installation threaded hole of the base It is fixed on volute of blower, and passes through the male half coupling auxiliary positioning on drive end bearing bracket.

Bearing is open deep groove ball bearing.Steel waveform spring is located in bearing of rear end cover room.Base, drive end bearing bracket and after End cap is cast-iron structure.

This driving motor is powered using subordinate inverter, 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 F, and there is low cigarette, nontoxic, flame retardant property, to adapt to locomotive safety requirements；Drive motor is pacified by base Dress threaded hole is mounted on volute of blower.It is circlip for hole in driving motor, circlip for shaft, steel waveform spring, outer It sets outside framework oil seal, internal frame oil sealing and insulating materials and is all made of standard component.

In conclusion the utility model as locomotive traction ventilation blower driving equipment and driving force is provided, this driving electricity Motivation special construction, with light-weight, compact appearance is beautiful, thermal diffusivity is good, degree of protection is high, vibrates, insulation material low with noise Expect the characteristics such as temperature classification height, safety and environmental protection.Its working condition is that drive motor leans on base installation threaded hole to be mounted on blower On spiral case, the performance of blower and drive motor is stablized, safe and reliable to operation.

Detailed description of the invention:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the drive end bearing bracket structural schematic diagram of the utility model；

Fig. 3 is the rear end cap structure schematic diagram of the utility model；

Fig. 4 is the rear bearing inner cover and rear end cap partial schematic diagram of the utility model；

Fig. 5 is the fore bearing inner cover and drive end bearing bracket partial schematic diagram of the utility model；

In figure: the external outside framework oil seal of 1- shaft, 2-, 3- circlip for shaft, 4- bearing, 5- fore bearing inner cover, the front end 6- Lid, 7- field frame assembly, 8- terminal box, 9- terminal plate, 10- base, 11- rotor assembly, 12- rear end cap, 13- steel waveform bullet Spring, 14- rear bearing inner cover, 15- internal frame oil sealing, 16- circlip for hole, 17- heat dissipation ventilation hole group.

Specific embodiment:

With reference to above-mentioned attached drawing, a kind of driving motor of locomotive traction ventilation blower, including shaft 1, external outside framework oil seal 2, axis It is total with circlip 3, bearing 4, fore bearing inner cover 5, drive end bearing bracket 6, field frame assembly 7, terminal box 8, terminal plate 9, base 10, rotor At 11, rear end cap 12, steel waveform spring 13, rear bearing inner cover 14, internal frame oil sealing 15, circlip for hole 16 and fastening Part；Wherein, drive end bearing bracket 6 and rear end cap 12 are fixed on 7 both ends of field frame assembly, which is fixed on machine by holding screw In seat 10, base 10 is equipped with heat dissipation ventilation hole, rotor assembly 11 is arranged in field frame assembly 7, rotor assembly 11 is by shaft 1 and casting Aluminium rotor composition, it is characterised in that:

The extended position of 6 outside upper shaft 1 of drive end bearing bracket is equipped with the external skeleton for sealing gap between shaft 1 and drive end bearing bracket 6 Oil sealing 2；Drive end bearing bracket 6 and rear end cap 12 are equipped with oil circuit, play the role of infusing lubricating grease；

Bearing 4 is arranged at 1 both ends of shaft, and the bearing 4 at both ends is separately positioned on the bearing chamber of drive end bearing bracket 6 and rear end cap 12 Interior, preceding end bearing 4 is fixing end, and preceding 4 outer ring of end bearing is gripped by fore bearing inner cover 5 and drive end bearing bracket 6, in preceding end bearing 4 Circle is fixed by circlip for shaft 3 and shaft 1；Rear end bearing 4 is floating end, and rear end bearing 4 passes through the bearing of rear end cap 12 Indoor steel waveform spring 13 applies pretightning force to 4 outer ring of rear end bearing；

Bearing chamber where preceding end bearing 4 is closed by drive end bearing bracket 6 and fore bearing inner cover 5, front end internal frame oil sealing 15 It is fixed in fore bearing inner cover 5 by front end circlip for hole 16, plays the role of lubricating grease in enhancing sealing bearing chamber；Afterwards Bearing chamber where end bearing 4 is closed by rear end cap 12 and rear bearing inner cover 14, and rear end internal frame oil sealing 15 passes through rear end Circlip for hole 16 is fixed in rear bearing inner cover 14, plays the role of lubricating grease in enhancing sealing bearing chamber；

Drive end bearing bracket 6, rear end cap 12 and base 10 are bolted；

Rear end cap 12 is equipped with the ventilation hole of heat dissipation, and heat dissipation ventilation hole group 17 is divulged information by short, medium and long three bar shapeds with radian The sector structure of hole composition, the heat dissipation ventilation hole group 17 are evenly equipped with seven heat dissipation ventilation hole groups 17 on rear end cap 12；

Terminal plate 9 has the motor lead-out wire of wire loop for fixing belt, and terminal box 8 covers terminal plate 9, plays mechanical protection Effect；

Base 10 is equipped with installation threaded hole, and the driving motor of locomotive traction ventilation blower passes through the installation screw thread of the base 10 Hole is fixed on volute of blower, and passes through the male half coupling auxiliary positioning on drive end bearing bracket 6.

Bearing 4 is open deep groove ball bearing.Steel waveform spring 13 is located in 12 bearing chamber of rear end cap.It is base 10, preceding End cap 6 and rear end cap 12 are cast-iron structure.

Steel waveform spring 13 is arranged inside 12 bearing chamber of rear end cap in the utility model；Apply for bearing 4 axial pre- Clamp force, reduce motor operation when noise, prevent axial direction vibrate and as resonance and caused by abnormal sound, and then extend bearing Working life；This driving motor is light-weight, compact appearance is beautiful, thermal diffusivity is good, vibrates, insulating materials temperature classification low with noise High, performance is stablized, safe and reliable to operation.

Claims (6)

1. a kind of driving motor of locomotive traction ventilation blower, it is characterised in that: including shaft (1), external outside framework oil seal (2), axis With circlip (3), bearing (4), fore bearing inner cover (5), drive end bearing bracket (6), field frame assembly (7), terminal box (8), terminal plate (9), base (10), rotor assembly (11), rear end cap (12), steel waveform spring (13), rear bearing inner cover (14), internal frame Oil sealing (15), circlip for hole (16) and fastener；Wherein, drive end bearing bracket (6) and rear end cap (12) are fixed on field frame assembly (7) Both ends, the field frame assembly (7) are fixed in base (10) by holding screw, and base (10) is equipped with heat dissipation ventilation hole, stator Rotor assembly (11) are set in assembly (7), rotor assembly (11) is made of shaft (1) and cast-aluminum rotor；

The extended position of upper shaft (1) is equipped with and seals gap between shaft (1) and drive end bearing bracket (6) on the outside of the drive end bearing bracket (6) External outside framework oil seal (2), be equipped with oil circuit on drive end bearing bracket (6) and rear end cap (12), play the work of note lubricating grease to bearing chamber With；

The bearing (4) is arranged at the both ends of shaft (1), and the bearing (4) at both ends is separately positioned on drive end bearing bracket (6) and rear end cap (12) in bearing chamber, preceding end bearing (4) is fixing end, and the outer ring of preceding end bearing (4) is by fore bearing inner cover (5) and drive end bearing bracket (6) fixed, preceding end bearing (4) inner ring is fixed by circlip for shaft (3) and shaft (1)；Rear end bearing (4) is floating end, Rear end bearing (4) applies rear end bearing (4) outer ring by the indoor steel waveform spring (13) of bearing of rear end cap (12) pre- Clamp force；

Bearing chamber where the preceding end bearing (4) is closed by drive end bearing bracket (6) and fore bearing inner cover (5), described Front end internal frame oil sealing (15) is additionally provided in fore bearing inner cover (5), front end internal frame oil sealing (15) is used by front aperture Circlip (16) is fixed in fore bearing inner cover (5), plays the role of lubricating grease in enhancing sealing bearing chamber；Rear end bearing (4) bearing chamber where is closed by rear end cap (12) and rear bearing inner cover (14), after rear end internal frame oil sealing (15) passes through End circlip for hole (16) is fixed in rear bearing inner cover (14), plays the role of lubricating grease in enhancing sealing bearing chamber.

2. a kind of driving motor of locomotive traction ventilation blower according to claim 1, it is characterised in that the drive end bearing bracket (6), rear end cap (12) is bolted with base (10), and rear end cap (12) is equipped with heat dissipation ventilation hole group (17), and described connects Line plate (9) is arranged on base (10), and terminal plate (9) has the motor lead-out wire of wire loop for fixing belt, and terminal box (8) is by wiring Plate (9) covers, and plays the role of mechanical protection；Base (10) is equipped with installation threaded hole, the driving electricity of locomotive traction ventilation blower Machine is fixed on volute of blower by the installation threaded hole of the base (10), and auxiliary by the male half coupling on drive end bearing bracket (6) Help positioning.

3. a kind of driving motor of locomotive traction ventilation blower according to claim 1, it is characterised in that the heat dissipation ventilation The sector structure that hole group (17) is made of the short, medium and long three bar shaped ventilation holes with radian, the heat dissipation ventilation hole group (17) is rear Seven heat dissipation ventilation hole groups (17) are evenly equipped on end cap (12).

4. a kind of driving motor of locomotive traction ventilation blower according to claim 1 or 2, it is characterised in that the bearing It (4) is open deep groove ball bearing.

5. a kind of driving motor of locomotive traction ventilation blower according to claim 1 or 2, it is characterised in that steel waveform bullet Spring (13) is located in rear end cap (12) bearing chamber.

6. a kind of driving motor of locomotive traction ventilation blower according to claim 1 or 2, it is characterised in that the base (10), drive end bearing bracket (6) and rear end cap (12) are cast-iron structure.