CN201918830U - Variable-frequency motor with rear-end wire outlet structure for high-power locomotive - Google Patents
Variable-frequency motor with rear-end wire outlet structure for high-power locomotive Download PDFInfo
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- CN201918830U CN201918830U CN2010206862678U CN201020686267U CN201918830U CN 201918830 U CN201918830 U CN 201918830U CN 2010206862678 U CN2010206862678 U CN 2010206862678U CN 201020686267 U CN201020686267 U CN 201020686267U CN 201918830 U CN201918830 U CN 201918830U
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Abstract
The utility model relates to a variable-frequency motor with a rear-end wire outlet structure for a high-power locomotive, which comprises a junction box cover, a rear end cover, a stator, a rotor, a base, a front end cover, a rotating shaft, a motor cable and the like. The variable-frequency motor is characterized in that the junction box cover is arranged on the rear end cover, the rear end cover is provided with a wiring plate, a lead-out wire is led out from a wire outlet hole of the rear end cover, a guide strip is disposed on an iron core of the rotor, end rings are cast at two ends of the guide strip, blades used for dissipating heat on the surface of the rotor are disposed at two ends of each end ring, and an insulating stator winding capable of preventing corona and resisting to the corona is arranged inside the stator. The variable-frequency motor is assuredly unaffected by change of frequency during running and is compact in structure, heat dissipation ribs are cast on outer surfaces of the base and the end covers so as to improve heat dissipation performance of the motor, installation space of the motor is reduced and the motor can be connected and installed conveniently by means of wire outlet at the rear end, and the motor is compact in structure, high in protection grade, low in consumption, noise and manufacturing cost, fine in heat dissipation, convenient in utilization and safe and reliable in running.
Description
Technical field:
The utility model relates to a kind of high-power locomotive variable-frequency motor with the rear end outlet structure, as the driving arrangement of high-power locomotive frequency converter cooling system, for the cooling blower of locomotive frequency converter provides actuating force.
Background technology:
The electric locomotive subsidiary engine mostly adopts inverter power supply both at home and abroad at present, inverter has cooling blower, the drive motors of this blower fan is a kind of variable-frequency motor, different because of the particularity of factors such as mounting condition and environment for use and common electric machine, and existing motor radiating is relatively poor, and vibration is big, not anti-corona. degree of protection is low, so motor not anti-corona, thermal diffusivity is bad to cause easily that the motor feels hot burns.
Summary of the invention:
The purpose of this utility model is overcoming above-mentioned defective, provides a kind of compact conformation, degree of protection height, loss is low, noise is little, thermal diffusivity is good, low cost of manufacture, motor lead-out wire be from the high-power locomotive of the back end cover for motor outlet variable-frequency motor with the rear end outlet structure.
The technical solution of the utility model is: a kind of high-power locomotive variable-frequency motor of rear end outlet structure, comprise connector cover, rear end cap, rear bearing, the rear bearing inner cap, motor stator, motor rotor, support, stator winding, front end housing, fore bearing, rotating shaft and motor cable etc., it is characterized in that: described connector cover is arranged on the rear end cap, this rear end cap is provided with terminal block, the wire hole outlet that the motor lead-out wire covers from motor rear end, connector cover constitutes the terminal box that degree of protection reaches IP65 by terminal box sealing ring and the rear end cap of being with the lead wire sheath, and this terminal box is provided with the high strength corrugated flexible hose joint of tight device with lock; The circumscripted power line of band corrugated flexible hose is connected with terminal block by high strength corrugated flexible hose joint;
The rotor core outer surface of motor rotor is inlaid with the cast-in aluminum squirrel cage sliver, these sliver two ends are cast with end ring, form cage rotor with the cast-in aluminum squirrel cage sliver, and the blade that does not dispel the heat to rotor surface in the end ring two ends, this motor rotor is arranged in the rotating shaft, this rotating shaft rear end is fixed in the axis hole of rear end cap by the rear bearing of band rear bearing inner cap, and front end stretches out outside the axis hole of the front end housing of being with outside framework oil seal by fore bearing, and motor stator is built-in with the stator winding of anticorona and corona-resistant insulation; Be cast with the radiating ribs of improving motor radiating on the outer surface of described support, rear end cap.
This variable-frequency motor is a kind of variable-frequency motor of locomotive inverter cooling blower actuating force, and its design feature is at the support internal fixation motor stator to be arranged, and 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, form cage rotor with the cast aluminium sliver, and the end ring two ends also are furnished with blade, and motor can effectively dispel the heat to rotor surface in operation process; The bearing that motor uses is non-maintaining deep groove ball bearing; The heat radiation reinforcement is arranged on rear end cap; The assembling of the rotor of motor is fixed on front end housing by bearings at both ends and is connected with rotating shaft in the rear end cap axis hole, and the motor lead-out wire is equipped with the terminal box that terminal block and degree of protection reach IP65 from the wire hole outlet that motor rear end covers on the end cap.
The stator core of 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.
Described rotating speed of motor
F is the operating frequency of motor in the formula, and p is the motor stator number of pole-pairs, and the nominal operation frequency of motor is 50Hz.
The present utility model is as the actuating force of locomotive inverter cooling blower, its operating state is also changing along with the frequency change of locomotive inverter, and its inner insulation material adopts all is anticorona material, has also just guaranteed the influence that it is not changed by external environment condition in running; Compact conformation, support and end cap outer surface all are cast with radiating ribs, thereby have just improved the heat dispersion of motor; From the rear end outlet, reduced the winding degree of lead wire, dwindled the motor installation footprint, be convenient to motor wiring and installation; Design is reasonable, can not occur with the power electric motor noise big, the phenomenon of electromagnetic noise particularly; Its resistance is compared to that general asynchronous motor is little, and loss is few, and manufacturing cost is also just corresponding to be reduced; Easy to use, safe and reliable to operation.
Description of drawings:
Fig. 1 is a sectional structure schematic diagram of the present utility model;
Fig. 2 is a left TV structure schematic diagram of the present utility model;
Among the figure: 1-connector cover, 2-terminal block, 3-terminal box sealing ring 3,4-band lead wire sheath, 5-rear end cap, 6-rear bearing, 7-rear bearing inner cap, 8-sliver, 9-motor stator, the 10-motor rotor, 11-support, 12-stator winding, the 13-front end housing, 14-fore bearing, 15-, the 16-rotating shaft, 17-high strength corrugated flexible hose joint, 18-nameplate 18.
Embodiment:
As shown in the figure, a kind of high-power locomotive variable-frequency motor of rear end outlet structure, comprise connector cover 1, rear end cap 5, rear bearing 6, rear bearing inner cap 7, motor stator 9, motor rotor 10, support 11, stator winding 12, front end housing 13, fore bearing 14, rotating shaft 16, it is characterized in that: described connector cover 1 is arranged on the rear end cap 5, this rear end cap 5 is provided with terminal block 2, the wire hole outlet of motor lead-out wire from the back end cover for motor 5
Connector cover 1 constitutes the terminal box that degree of protection reach IP65 by terminal box sealing ring 3 and the rear end cap 5 of being with lead wire sheath 4, and this terminal box is provided with the high strength corrugated flexible hose joint 17 of tight device with lock; The circumscripted power line of band corrugated flexible hose is connected with terminal block 2 by high strength corrugated flexible hose joint 17; The rotor core outer surface of described motor rotor 10 is inlaid with cast-in aluminum squirrel cage sliver 8, these sliver 8 two ends are cast with end ring, form cage rotor with cast-in aluminum squirrel cage sliver 8, and the blade that does not dispel the heat to rotor surface in the end ring two ends, this motor rotor 10 is arranged in the rotating shaft 16, these rotating shaft 16 rear ends are fixed in the axis hole of rear end cap 5 by the rear bearing 6 of band rear bearing inner cap 7, front end stretches out outside the axis hole of the front end housing 13 of being with outside framework oil seal 15 by fore bearing 14, and motor stator 9 is built-in with the stator winding 12 of anticorona and corona-resistant insulation; Be cast with the radiating ribs of improving motor radiating on the outer surface of support 11, rear end cap 5.
Present embodiment stator 8 is made up of stator core, stator winding 12; Rotor is led 8 by rotor core, cast-in aluminum squirrel cage and is formed.The material selection silicon steel sheet 50w470 of stator core and rotor core, stator winding is made up of stator coil and insulating material, stator coil adopts composite enameled wire QZY/QXY-2/200, and insulating material adopts 0.25CR NHN and 0.05 polyimide film 6050 to form.
Motor stator 9 is fixed on the inwall of support 11, have in it one can be in stator rotor rotated 10, the outer surface of rotor is inlayed mouse cage sliver 8 equably to form the rotor mouse cage, the rotor mouse cage cooperates AC asynchronous motor of formation with motor stator 9.Rotor 10 is fixed in the axis hole of front end housing 13 and rear end cap 5 by rotating shaft 16 and bearing 6,14.Bearing 6 is fixed in rear end cap 5 and the rear bearing inner cap 7 common bearing chambers that form; Bearing 14 is placed in front end housing 13 bearing chambers.Front end housing 13 adopts outside framework oil seal 15 to carry out sealing with the seal of rotating shaft 14; Rear end cap 5 adopts terminal box sealing ring 3, high strength corrugated flexible hose joint 17 to be arranged on the connector cover 1 with the seal of connector cover 1, and the circumscripted power line of band corrugated flexible hose is connected with terminal block 2 by high strength corrugated flexible hose joint 17; There is locking device these hose coupling 17 inside, are used to lock power line, to guarantee motor seal.
The stator core of 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 alternating current motor
F is the operating frequency of motor in the formula, and p is the motor stator number of pole-pairs, and the nominal operation frequency of motor is 50Hz.
Claims (1)
1. a high-power locomotive is with the variable-frequency motor of rear end outlet structure, comprise connector cover (1), rear end cap (5), rear bearing (6), rear bearing inner cap (7), motor stator (9), motor rotor (10), support (11), stator winding (12), front end housing (13), fore bearing (14), rotating shaft (16), it is characterized in that:
A, described connector cover (1) are arranged on the rear end cap (5), this rear end cap (5) is provided with terminal block (2), the wire hole outlet of motor lead-out wire from the back end cover for motor (5), connector cover (1) constitutes the terminal box that degree of protection reaches IP65 by terminal box sealing ring (3) and the rear end cap (5) of being with lead wire sheath (4), and this terminal box is provided with the high strength corrugated flexible hose joint (17) of tight device with lock; The circumscripted power line of band corrugated flexible hose is connected with terminal block (2) by high strength corrugated flexible hose joint (17);
B, the rotor core outer surface of described motor rotor (10) is inlaid with cast-in aluminum squirrel cage sliver (8), this sliver (8) two ends are cast with end ring, form cage rotor with cast-in aluminum squirrel cage sliver (8), and the blade that does not dispel the heat to rotor surface in the end ring two ends, this motor rotor (10) is arranged in the rotating shaft (16), this rotating shaft (16) rear end is fixed in the axis hole of rear end cap (5) by the rear bearing (6) of band rear bearing inner cap (7), front end stretches out outside the axis hole of the front end housing (13) of being with outside framework oil seal (15) by fore bearing (14), and motor stator (9) is built-in with the stator winding (12) of anticorona and corona-resistant insulation;
Be cast with the radiating ribs of improving motor radiating on the outer surface of C, described support (11), rear end cap (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206862678U CN201918830U (en) | 2010-12-29 | 2010-12-29 | Variable-frequency motor with rear-end wire outlet structure for high-power locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206862678U CN201918830U (en) | 2010-12-29 | 2010-12-29 | Variable-frequency motor with rear-end wire outlet structure for high-power locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918830U true CN201918830U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206862678U Expired - Lifetime CN201918830U (en) | 2010-12-29 | 2010-12-29 | Variable-frequency motor with rear-end wire outlet structure for high-power locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918830U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746489A (en) * | 2013-12-04 | 2014-04-23 | 昆山南洋电机配件有限公司 | New type motor rear end cover |
| CN104218757A (en) * | 2014-09-23 | 2014-12-17 | 永济新时速电机电器有限责任公司 | Closed slot cast aluminum rotor of motor |
| WO2015154221A1 (en) * | 2014-04-08 | 2015-10-15 | 南车株洲电机有限公司 | Traction motor three-phase lead connection method and device |
| CN105071619A (en) * | 2015-09-11 | 2015-11-18 | 天津理工大学 | Permanent magnet brushless motor having stator winding provided with heat-radiating device |
| CN107394945A (en) * | 2017-08-16 | 2017-11-24 | 杭州江南电机股份有限公司 | One kind defends kitchen ceiling appliance motor special |
| CN111406357A (en) * | 2017-11-28 | 2020-07-10 | 西门子股份公司 | Integrated terminal box of rotating electric machine |
-
2010
- 2010-12-29 CN CN2010206862678U patent/CN201918830U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746489A (en) * | 2013-12-04 | 2014-04-23 | 昆山南洋电机配件有限公司 | New type motor rear end cover |
| WO2015154221A1 (en) * | 2014-04-08 | 2015-10-15 | 南车株洲电机有限公司 | Traction motor three-phase lead connection method and device |
| CN106464060A (en) * | 2014-04-08 | 2017-02-22 | 中车株洲电机有限公司 | Traction motor three-phase lead connection method and device |
| AU2014390615B2 (en) * | 2014-04-08 | 2018-03-29 | Crrc Zhuzhou Electric Co., Ltd. | Traction motor three-phase lead connection method and device |
| CN106464060B (en) * | 2014-04-08 | 2019-10-29 | 中车株洲电机有限公司 | A kind of traction electric machine three-phase lead-out wire method and device |
| CN104218757A (en) * | 2014-09-23 | 2014-12-17 | 永济新时速电机电器有限责任公司 | Closed slot cast aluminum rotor of motor |
| CN105071619A (en) * | 2015-09-11 | 2015-11-18 | 天津理工大学 | Permanent magnet brushless motor having stator winding provided with heat-radiating device |
| CN105071619B (en) * | 2015-09-11 | 2017-07-18 | 天津理工大学 | A kind of stator winding is provided with the permanent magnetic brushless of heat abstractor |
| CN107394945A (en) * | 2017-08-16 | 2017-11-24 | 杭州江南电机股份有限公司 | One kind defends kitchen ceiling appliance motor special |
| CN111406357A (en) * | 2017-11-28 | 2020-07-10 | 西门子股份公司 | Integrated terminal box of rotating electric machine |
| US11509187B2 (en) | 2017-11-28 | 2022-11-22 | Siemens Aktiengesellschaft | Integrated terminal box of a rotary dynamoelectric machine |
| CN111406357B (en) * | 2017-11-28 | 2023-03-21 | 西门子股份公司 | Integrated terminal box of rotating electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuzhou Electric Locomotive Motor Repair Manufacture Co., Ltd Assignor: Liancheng Group Co., Ltd., Zhuzhou Contract record no.: 2012430000035 Denomination of utility model: Variable-frequency motor with rear-end wire outlet structure for high-power locomotive Granted publication date: 20110803 License type: Exclusive License Record date: 20120418 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |