CN200987087Y - AC variable-frequency control asynchronous traction motor for subway vehicle - Google Patents
AC variable-frequency control asynchronous traction motor for subway vehicle Download PDFInfo
- Publication number
- CN200987087Y CN200987087Y CN 200620053190 CN200620053190U CN200987087Y CN 200987087 Y CN200987087 Y CN 200987087Y CN 200620053190 CN200620053190 CN 200620053190 CN 200620053190 U CN200620053190 U CN 200620053190U CN 200987087 Y CN200987087 Y CN 200987087Y
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Abstract
An asynchronous traction motor for subway rolling stocks comprising a motor stator being provided with a stator punching that has a ventilation borehole, wherein the stator punchings are laminated to form a ventilation passage and the laminated stator punchings are welded on a motor clamping ring through four arc plates; the stator coil 7 is welded directly and respectively with a lead-in wire 8 and 9 of an adjoining coil; a rotor is welded on an end ring 10 and provided with an annular groove to hold a copper rod 11; an air filter consists of an external steel mesh 12 for filtration and an internal labyrinth-structured element 13; a fan 14 is provided with non-uniformly-arranged vanes, in which an external portion of the bearing of the fan 14 is labyrinth-constructed and provided with a grease nipple and a bleeding element at the bearing portion. The utility model can effectively improve heat emission, the reliability and durability of the motor rotor and cooling efficiency of the copper bar, which can be employed in a relatively adverse environment with less motor noises and no resonance.
Description
Technical field
The utility model relates to a kind of motor, is specially adapted to railcar ac variable frequency speed regulation asynchronous traction motor.
Background technology
Along with Chinese economic development, urbanization process is constantly accelerated, and is growing to transport need, and freight volume is little, speed is slow, energy consumption is big, with serious pollution public transport can not satisfy the constantly requirement of development of urban construction.At present, many big and medium-sized cities of China and countries in the world all have that freight volume is big, safe and efficient, Energy and comfort, the saving energy, reduce the track traffic of polluting greatly developing, and this alternating current asynchronous traction motor is developed in order to satisfy this vehicular traffic.And railcar is as metropolitan main vehicles, continuous increase along with the urban passenger flow amount, the performance requirement of the main traction motor of using for railcar is more and more higher, DC traction motor can't satisfy vehicle to its performance demands, DC traction motor is its maximum defective because of the commutator that commutation requires to be provided with, the manufacturing of commutator and difficult in maintenance, and in use cause ring fire easily and burn out motor.
The utility model content
The purpose of this utility model is to provide a kind of high-performance city railway vehicle that drives by the VVVF inverter system with small-sized, the light weight that manufactures and designs, high-speed, communtatorless ac variable frequency speed regulation asynchronous traction motor, electric machine structure is simple and reliable, safeguard simply, can fully satisfy the requirement of railcar traction motor.
The technical scheme that its technical problem that solves the utility model adopts is: motor adopts the design of stator air duct and does not have the support design, stator coil parts line adopts two lead-in wires, the body with adjacent windings directly to carry out the joint welding connection, rotor is welded on the annulus groove is set on the end ring, insert rotor bar, adopt heating in medium frequency to carry out silver soldering, aerial dust filter adopts outer steel mesh to filter, internal layer adopts labyrinth structure, fan blade adopts uneven cloth design, bearing portion is peripheral to adopt the labyrinth seal form, and at the bearing place tank filler sleeve and discharge equipment is set.
The beneficial effects of the utility model are, can effectively improve the motor radiating ability, reduce electric machine temperature rise, effectively avoid the vibration fatigue effect that butt welded seam produced in the vehicle operating process, can guarantee rotor reliability and fastness, improve the cooling effect of copper bar, can effectively reduce motor noise relatively using in the rugged environment, eliminate resonance, can need not for a long time to refuel and need not maintenance, in the operating period, can directly be lubricated the replacing of fat.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified
Fig. 1 is the structural representation of the utility model embodiment
Fig. 2 is the local enlarged diagram of stator coil parts line embodiment illustrated in fig. 1
Fig. 3 is a rotor welding partial schematic diagram embodiment illustrated in fig. 1
Fig. 4 is an aerial dust filter partial schematic diagram embodiment illustrated in fig. 1
Fig. 5 is the blade uneven distribution schematic diagram in the fan embodiment illustrated in fig. 1.
Embodiment
In Fig. 1, the utility model is finished with following mode: railcar ac variable frequency speed regulation asynchronous traction motor, it comprises aerial dust filter 1, front end housing 2, outlet box 3, stator 4, rotor 5, rear end cap 6, fan 14 parts are formed, it is characterized in that motor adopts the design of stator air duct and do not have the support design, stator punching is opened ventilation hole, after laminating, punching makes air duct, stator punching laminates the back and is welded on the motor trim ring by four arcs, stator coil 7 parts lines adopt two lead-in wires 8 with adjacent windings, 9 bodies directly carry out joint welding and connect, rotor is welded on the annulus groove is set on the end ring 10, insert rotor bar 11, adopt heating in medium frequency to carry out silver soldering, aerial dust filter 1 adopts outer steel mesh 12 to filter, internal layer 13 adopts labyrinth structure, blade in the fan 14 is a uneven distribution, and the bearing portion of fan 14 is peripheral to adopt the labyrinth seal form, and at the bearing place tank filler sleeve and discharge equipment (see figure 5) is set.
Be welded at Fig. 3 rotor the annulus groove is set on the end ring 10, insert rotor bar 11, adopt heating in medium frequency to carry out silver soldering.Rotor bar and iron core vacuum pressure impregnation, the cooling effect of raising copper bar.
Owing to need not to refuel and do not have maintenance for a long time, this product bearing portion is peripheral to adopt the labyrinth seal form, and at the bearing place tank filler sleeve and discharge equipment is set, and can directly be lubricated the replacing of fat in the operating period.
Claims (2)
1. railcar ac variable frequency speed regulation asynchronous traction motor, it comprises aerial dust filter (1), front end housing (2), outlet box (3), stator (4), rotor (5), rear end cap (6), fan (14) parts are formed, it is characterized in that stator punching opens ventilation hole, after laminating, punching makes air duct, stator punching laminates the back and is welded on the motor trim ring by four arcs, stator coil (7) parts line adopts two lead-in wires (8) with adjacent windings, (9) body directly carries out the joint welding connection, rotor is welded on the end ring (10) the annulus groove is set, insert rotor bar (11) and silver soldering welding, aerial dust filter (1) adopts outer steel mesh (12) to filter, internal layer (13) adopts labyrinth structure, and the blade in the fan (14) is a uneven distribution.
2. rheology according to claim 1 is adjustable speed-adjustable asynchronous traction motor frequently, it is characterized in that: the bearing portion of fan (14) is peripheral to adopt the labyrinth seal form, and at the bearing place tank filler sleeve and discharge equipment is set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620053190 CN200987087Y (en) | 2006-12-22 | 2006-12-22 | AC variable-frequency control asynchronous traction motor for subway vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620053190 CN200987087Y (en) | 2006-12-22 | 2006-12-22 | AC variable-frequency control asynchronous traction motor for subway vehicle |
Publications (1)
Publication Number | Publication Date |
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CN200987087Y true CN200987087Y (en) | 2007-12-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200620053190 Expired - Lifetime CN200987087Y (en) | 2006-12-22 | 2006-12-22 | AC variable-frequency control asynchronous traction motor for subway vehicle |
Country Status (1)
Country | Link |
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CN (1) | CN200987087Y (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103166401A (en) * | 2013-03-01 | 2013-06-19 | 武汉华创新源电气有限公司 | Traction motor used for motor wheel dumper |
CN104242579A (en) * | 2014-10-16 | 2014-12-24 | 南车株洲电机有限公司 | Electric wheel dump truck and opening type variable frequency speed control asynchronous traction motor without engine base |
CN105703539A (en) * | 2016-04-18 | 2016-06-22 | 中车永济电机有限公司 | Self-ventilation traction motor |
CN106208584A (en) * | 2016-08-13 | 2016-12-07 | 中车永济电机有限公司 | A kind of totally-enclosed self-ventilation magneto |
CN106208499A (en) * | 2016-08-13 | 2016-12-07 | 中车永济电机有限公司 | A kind of full-enclosed permanent-magnet motor ventilation cooling structure |
CN107492978A (en) * | 2017-10-20 | 2017-12-19 | 中车永济电机有限公司 | Light rail, electric driving machinery of subway |
-
2006
- 2006-12-22 CN CN 200620053190 patent/CN200987087Y/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103166401A (en) * | 2013-03-01 | 2013-06-19 | 武汉华创新源电气有限公司 | Traction motor used for motor wheel dumper |
CN103166401B (en) * | 2013-03-01 | 2016-03-09 | 武汉华创新源电气有限公司 | A kind of electric power wheel self-discharging vehicle traction motor |
CN104242579A (en) * | 2014-10-16 | 2014-12-24 | 南车株洲电机有限公司 | Electric wheel dump truck and opening type variable frequency speed control asynchronous traction motor without engine base |
CN105703539A (en) * | 2016-04-18 | 2016-06-22 | 中车永济电机有限公司 | Self-ventilation traction motor |
CN106208584A (en) * | 2016-08-13 | 2016-12-07 | 中车永济电机有限公司 | A kind of totally-enclosed self-ventilation magneto |
CN106208499A (en) * | 2016-08-13 | 2016-12-07 | 中车永济电机有限公司 | A kind of full-enclosed permanent-magnet motor ventilation cooling structure |
CN107492978A (en) * | 2017-10-20 | 2017-12-19 | 中车永济电机有限公司 | Light rail, electric driving machinery of subway |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20071205 |
|
EXPY | Termination of patent right or utility model |