CN203368232U - Locomotive traction cooling fan motor - Google Patents

Locomotive traction cooling fan motor Download PDF

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Publication number
CN203368232U
CN203368232U CN 201320344658 CN201320344658U CN203368232U CN 203368232 U CN203368232 U CN 203368232U CN 201320344658 CN201320344658 CN 201320344658 CN 201320344658 U CN201320344658 U CN 201320344658U CN 203368232 U CN203368232 U CN 203368232U
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China
Prior art keywords
motor
stator
bearing
rotating shaft
ring
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Active
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CN 201320344658
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Chinese (zh)
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文鑫
曾虎彪
马泳鑫
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Zhuzhou Lince Group Co Ltd
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Zhuzhou Lince Group Co Ltd
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Abstract

The utility model relates to an export-oriented locomotive traction cooling fan motor including front and rear end covers, front and rear bearings, a housing, a lifting bolt, a stator core, a rotor assembly, a rotor core, a rotating shaft, a fan and a fan cover. A motor stator is fixed in the housing. A stator winding is built in the motor stator. The fan is disposed on the rotating shaft and rotates together with the rotor assembly to cool the motor itself. The motor stator is fixed on the inner wall of the housing. Two ends of the stator core are additionally provided with an end plate and a pressing ring. According to the utility model, the front end cover is closed to prevent dust from entering the interior of the motor from the front end when the motor is running; the bearings are sealed and maintenance-free and a bearing chamber is sealed so that dust is prevented from entering to mix with grease and thus to reduce the service life of the bearings and the grease; the rear end of the motor is equipped with the fan, so that the thermal performance of the motor is improved; the motor noise is small; the resistance of the locomotive traction cooling fan motor is smaller than that of a conventional asynchronous motor, with less wear and tear and lower manufacturing costs; and the locomotive traction cooling fan motor is easy to use and safe and reliable in operation.

Description

Traction cooling blower motor for a kind of locomotive
Technical field
The utility model relates to traction cooling blower motor for a kind of locomotive, and it is a kind of for the traction cooling blower motor on the export-oriented locomotive; As the driving arrangement of export-oriented motorcycle cooling system, for the cooling blower of locomotive traction motor provides actuating force.
Background technology
On current domestic locomotive, traction cooling blower motor used is all the two-stage vertical machine, and through runtime verification for many years, two-stage vertical machine bearing fault rate is higher, and voltage withstand class is low, noise is large, temperature rise.It is to estimate a whether superior in quality important indicator of its properties of product that the bearing fault rate is significantly reduced.
Summary of the invention
The purpose of this utility model is to reduce the bearing fault rate, provides a kind of compact conformation, voltage withstand class is high, loss is low, noise is little, temperature rise is low, low cost of manufacture, traction cooling blower motor for locomotive easy to use.
The technical solution of the utility model: traction cooling blower motor for a kind of locomotive, comprise front end housing, casing, stator core, lifting bolt, rotor assembly parts, rear end cap, fan housing, be fixed with motor stator in this casing, motor stator is built-in with stator winding, it is characterized in that described locomotive is the level Four horizontal machine by traction cooling blower design of electrical motor, rotor assembly parts in this cooling blower motor are comprised of fore bearing back-up ring, fore bearing, rotor core, rotating shaft, rear bearing, rear bearing back-up ring, and the rotor assembly parts are arranged in motor stator;
Described fore bearing is arranged on front end housing Inner, and is fixed in rotating shaft by the fore bearing back-up ring, and front end housing is provided with bearing end cover and fore bearing inner cap;
Described rear bearing is arranged on rear end cap Inner, and is fixed in rotating shaft by the rear bearing back-up ring, and rear end cap is provided with the rear bearing inner cap;
Described rotating shaft front end extends outside the fore bearing enclosing cover by fore bearing inner cap and fore bearing, the rotating shaft rear end is placed in rear end cap Inner by rear bearing inner cap and rear bearing, the rotating shaft rear end is provided with fan housing and fan, and fan is assembled in rotating shaft, with rotor, turns together with joining and rotates to form the cooling of motor itself;
Described rotor core outer surface is inlaid with the cast-in aluminum squirrel cage sliver, and this cast-in aluminum squirrel cage sliver evenly is embedded within iron core and forms cage rotor, and cast-in aluminum squirrel cage sliver two ends are cast with end ring, and the end ring two ends are furnished with blade;
Described motor stator is fixed on the Inner wall of casing, and the stator core two ends in motor stator have additional end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp; This casing top is provided with lifting bolt;
Described fore bearing enclosing cover is built-in with sealing ring and forms the hermetically-sealed construction to bearing chamber; Be that front end housing adopts enclosed construction, while stoping the motor operation, dust enters motor internal from front end;
The parameter of described this cooling blower motor: rated power Pn=19kw; Rated voltage Un=380V; Rated frequency f=50Hz; Number of pole-pairs P=2.
The stator core of this motor and rotor core adopt the silicon steel plate stacking of 0.5mm to form, and the stator core two ends are added with end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp.The rotating speed of motor , the operating frequency that in formula, f is motor, p is the motor stator number of pole-pairs, the nominal operation frequency of motor is 50Hz.
Degree of protection of the present utility model is IP55; Bearing adopts non-maintaining bearing.Be fixed with motor stator in casing, motor stator is built-in with anticorona enamel insulated round copper wire and corona-resistant insulation material; Be inlaid with the cast aluminium sliver at the rotor core outer surface, the sliver two ends are cast with end ring, and the end ring two ends also are furnished with blade, and motor can effectively dispel the heat to rotor surface in operation process; Fan is equipped with in the motor rear end, during the motor operation, can effectively give the casing surface radiating; The rotor assembly parts of motor are fixed on front end housing by bearings at both ends and are connected with rotating shaft with in the bearing of rear end cover chamber.
The utility model is as the actuating force of export-oriented pulling motor for locomotive cooling blower, and its front end housing adopts enclosed construction, and while stoping the motor operation, dust enters motor internal from front end; Bearing adopts open bearing, and bearing chamber is airtight, thereby avoid dust to enter with muddy lubricating grease, reduces bearing useful life; What inner insulation material adopted is all anticorona material, has also just guaranteed that it is not subject to the impact of corona on winding in running; Compact conformation, motor rear end is equipped with fan, thereby has just improved the heat dispersion of motor; Design is reasonable, and electric moter noise is little, particularly the phenomenon of electromagnetic noise; Its resistance is compared to that general asynchronous motor is little, and loss is few, and manufacturing cost is corresponding reduction the just also; Easy to use, safe and reliable to operation.
The accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is left TV structure schematic diagram of the present utility model;
In figure: 1-sealing ring, 2-fore bearing enclosing cover, 3-fore bearing back-up ring, 4-front end housing, the 5-fore bearing, 6-fore bearing inner cap, 7-casing, 8-motor stator, the 9-stator core, 10-lifting bolt, 11-rotor assembly parts, 12-rotor core, the 13-rotating shaft, 14-mouse cage sliver, 15-stator winding, 16-rear bearing inner cap, 17-rear bearing, 18-rear bearing back-up ring, the 19-rear end cap, 20-fan, 21-fan housing.
embodiment:
Below in conjunction with accompanying drawing, the utility model and embodiment thereof are described in further detail.
Traction cooling blower motor for a kind of locomotive, comprise front end housing 4, casing 7, stator core 9, lifting bolt 10, rotor assembly parts 11, rear end cap 19, fan housing 21, be fixed with motor stator 8 in this casing 7, motor stator 8 is built-in with stator winding 15, it is characterized in that described locomotive is the level Four horizontal machine with traction cooling blower motor, rotor assembly parts 11 in this cooling blower motor are by fore bearing back-up ring 3, fore bearing 5, rotor core 12, rotating shaft 13, rear bearing 17, rear bearing back-up ring 18 forms, rotor assembly parts 11 are arranged in motor stator 8,
Described fore bearing 5 is arranged on front end housing 4 Inner, and is fixed in rotating shaft 13 by fore bearing back-up ring 3, and front end housing 4 is provided with bearing end cover 2 and fore bearing inner cap 6;
Described rear bearing 17 is arranged on rear end cap 19 Inner, and is fixed in rotating shaft 13 by rear bearing back-up ring 18, and rear end cap 19 is provided with rear bearing inner cap 16;
Described rotating shaft 13 front ends extend outside fore bearing enclosing cover 2 by fore bearing inner cap 6 and fore bearing 5, rotating shaft 13 rear ends are placed in rear end cap 19 Inner by rear bearing inner cap 16 and rear bearing 17, rotating shaft 13 rear ends are provided with fan 20, be that fan 20 is assembled in rotating shaft 13, with rotor, turn together with joining and rotate to form the cooling of motor itself;
Described rotor core 12 outer surfaces are inlaid with cast-in aluminum squirrel cage sliver 14, and this cast-in aluminum squirrel cage sliver 14 evenly is embedded within iron core and forms cage rotor, and cast-in aluminum squirrel cage sliver 14 two ends are cast with end ring, and the end ring two ends are furnished with blade;
Described motor stator 8 is fixed on the Inner wall of casing 7, and stator core 9 two ends in motor stator 8 have additional end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp; It is the inwall that motor stator 8 is fixed on casing 7, the one rotor assembling 11 that can rotate in stator is arranged in it, the outer surface of rotor is inlayed mouse cage sliver 14 equably to form the rotor mouse cage, and the rotor mouse cage coordinates an AC asynchronous motor of formation with motor stator 8.
Described casing 7 tops are provided with lifting bolt 10; Described fore bearing enclosing cover 2 is built-in with the hermetically-sealed construction that sealing ring 1 forms bearing chamber.
The parameter of described this cooling blower motor: rated power Pn=19kw; Rated voltage Un=380V; Rated frequency f=50Hz; Number of pole-pairs P=2.
The stator core 9 of this motor and rotor core 12 adopt the silicon steel plate stacking of 0.5mm to form, and stator core 9 two ends are added with end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp.
The material selection silicon steel sheet 50WW600 of stator core 9 and rotor core 12, stator winding 15 is comprised of stator coil and insulating material,
Stator coil adopts enamel insulated round copper wire Q(ZY/XY)/2-200, insulating material adopts 0.2CR NHN and 0.05 polyimide film 6051 to form.
The rotating speed of motor , the operating frequency that in formula, f is motor, p is the motor stator number of pole-pairs, the nominal operation frequency of motor is 50Hz.
The utility model is as the actuating force of export locomotive traction electric machine cooling blower, and its front end housing adopts closed, and while stoping the motor operation, dust enters motor internal from front end; The bearing seal maintenance-free type, bearing chamber is airtight, thereby avoid dust to enter with muddy lubricating grease, reduces bearing and grease useful life; Motor rear end is equipped with fan, thereby has just improved the heat dispersion of motor; Electric moter noise is little; Its resistance is compared to that general asynchronous motor is little, and loss is few, low cost of manufacture; Easy to use, safe and reliable to operation.

Claims (2)

1. a locomotive is with drawing the cooling blower motor, comprise front end housing (4), casing (7), stator core (9), lifting bolt (10), rotor assembly parts (11), rear end cap (19), fan housing (21), be fixed with motor stator (8) in this casing (7), motor stator (8) is built-in with stator winding (15), it is characterized in that:
A, described locomotive are the level Four horizontal machine with traction cooling blower motor, rotor assembly parts (11) in this cooling blower motor are comprised of fore bearing back-up ring (3), fore bearing (5), rotor core (12), rotating shaft (13), rear bearing (17), rear bearing back-up ring (18), and rotor assembly parts (11) are arranged in motor stator (8);
Described fore bearing (5) is arranged on front end housing (4) Inner, and it is upper to be fixed on rotating shaft (13) by fore bearing back-up ring (3), and front end housing (4) is provided with bearing end cover (2) and fore bearing inner cap (6);
Described rear bearing (17) is arranged on rear end cap (19) Inner, and it is upper to be fixed on rotating shaft (13) by rear bearing back-up ring (18), and rear end cap (19) is provided with rear bearing inner cap (16);
Described rotating shaft (13) front end extends outside fore bearing enclosing cover (2) by fore bearing inner cap (6) and fore bearing (5), rotating shaft (13) rear end is placed in rear end cap (19) Inner by rear bearing inner cap (16) and rear bearing (17), rotating shaft (13) rear end is provided with fan (20) and fan housing (21), it is upper to be that fan (20) is assembled to rotating shaft (13), with rotor, turns together with joining and rotates to form the cooling of motor itself;
Described rotor core (12) outer surface is inlaid with cast-in aluminum squirrel cage sliver (14), and this cast-in aluminum squirrel cage sliver (14) evenly is embedded within iron core and forms cage rotor, and cast-in aluminum squirrel cage sliver (14) two ends are cast with end ring, and the end ring two ends are furnished with blade;
B, described motor stator (8) are fixed on the Inner wall of casing (7), and stator core (9) two ends in motor stator (8) have additional end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp; This casing (7) top is provided with lifting bolt (10);
C, described fore bearing enclosing cover (2) are built-in with sealing ring (1) and form the hermetically-sealed construction to bearing chamber;
2. a kind of locomotive cooling blower motor according to claim 1, is characterized in that the parameter of described this cooling blower motor: rated power Pn=19kw; Rated voltage Un=380V; Rated frequency f=50Hz; Number of pole-pairs P=2.
CN 201320344658 2013-06-17 2013-06-17 Locomotive traction cooling fan motor Active CN203368232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320344658 CN203368232U (en) 2013-06-17 2013-06-17 Locomotive traction cooling fan motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320344658 CN203368232U (en) 2013-06-17 2013-06-17 Locomotive traction cooling fan motor

Publications (1)

Publication Number Publication Date
CN203368232U true CN203368232U (en) 2013-12-25

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ID=49815949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320344658 Active CN203368232U (en) 2013-06-17 2013-06-17 Locomotive traction cooling fan motor

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104539103A (en) * 2014-12-17 2015-04-22 南车青岛四方机车车辆股份有限公司 Rail vehicle and traction motor cooling system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104539103A (en) * 2014-12-17 2015-04-22 南车青岛四方机车车辆股份有限公司 Rail vehicle and traction motor cooling system thereof

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