CN213367544U - Permanent magnet direct-drive outer rotor motor walking driving device for narrow gauge electric locomotive - Google Patents
Permanent magnet direct-drive outer rotor motor walking driving device for narrow gauge electric locomotive Download PDFInfo
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- CN213367544U CN213367544U CN202022767234.2U CN202022767234U CN213367544U CN 213367544 U CN213367544 U CN 213367544U CN 202022767234 U CN202022767234 U CN 202022767234U CN 213367544 U CN213367544 U CN 213367544U
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- end cover
- rotor motor
- rotor
- outer rotor
- permanent magnet
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Abstract
The utility model discloses a running driving device of a permanent magnet direct-drive external rotor motor for a narrow gauge electric locomotive, which comprises an external rotor motor, a wheel rim and a supporting seat; two ends of a rotor of the outer rotor motor are respectively and fixedly provided with a rotor end cover; the rotor end cover is grounded through a conducting wire; the wheel rim is fixedly arranged on the rotor end cover and is coaxial with the rotor end cover; and two ends of a stator main shaft of the outer rotor motor are respectively and fixedly provided with a supporting seat. The utility model adopts a direct drive mode to drive, does not need gear reduction, and has the advantages of simple whole vehicle structure, high transmission efficiency, low maintenance cost and the like; the utility model discloses a direct drive mode walks capable, makes the utility model discloses compact structure can shorten locomotive wheelbase in the certain limit, improves the curve and passes through the ability.
Description
Technical Field
The utility model relates to a narrow gauge is walking drive arrangement for electric locomotive, concretely relates to narrow gauge is permanent-magnet direct-drive external rotor motor walking drive arrangement for electric locomotive.
Background
In a traditional narrow-gauge electric locomotive traveling driving device, torque generated by a traction motor is transmitted to an electric locomotive wheel pair through a gear reduction device to drive a vehicle. Because of using the reduction gear transmission device, the driving system has the defects of complex structure, large occupied space, large operation noise, lower transmission efficiency, high maintenance cost and the like.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a permanent magnetism for narrow gauge motor vehicle that transmission efficiency is high, usable space is big, whole car simple structure, the energy repayment of realizing braking process easily, motor direct drive locomotive wheel directly drives external rotor motor and walks capable drive arrangement.
The technical scheme of the utility model is that: a permanent magnet direct-drive outer rotor motor walking driving device for a narrow-gauge electric locomotive comprises an outer rotor motor, a wheel rim and a supporting seat; two ends of a rotor of the outer rotor motor are respectively and fixedly provided with a rotor end cover; the rotor end cover is grounded through a conducting wire; the wheel rim is fixedly arranged on the rotor end cover and is coaxial with the rotor end cover; and two ends of a stator main shaft of the outer rotor motor are respectively and fixedly provided with a supporting seat.
In the permanent magnet direct-drive outer rotor motor walking driving device for the narrow gauge motor vehicle, the pressing ring is fixedly mounted on the end face of the rotor end cover, the rotor end cover and the pressing ring form an annular groove with a V-shaped cross section, an annular elastic element with a V-shaped cross section is arranged in the annular groove, and an annular boss with a V-shaped cross section is arranged in the inner hole of the wheel band and embedded in the groove of the elastic element.
In the walking driving device of the permanent magnet direct-drive outer rotor motor for the narrow gauge motor vehicle, the supporting seat is fixed at the end part of the stator main shaft of the outer rotor motor through the locking end cover, and the locking end cover is fixed on the end surface of the stator main shaft through the locking bolt.
In the walking driving device of the permanent magnet direct-drive outer rotor motor for the narrow gauge motor vehicle, the rotor end cover is connected with the wheel band arranged on the rotor end cover through the conducting wire, and the end part of the conducting wire is connected with the rotor end cover and the wheel band through the bolt.
In the walking driving device of the permanent magnet direct-drive outer rotor motor for the narrow gauge electric locomotive, the permanent magnet direct-drive outer rotor motor is adopted as the outer rotor motor.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts a direct drive mode to drive, does not need gear reduction, and has the advantages of simple whole vehicle structure, high transmission efficiency, low maintenance cost and the like; the utility model adopts a direct drive mode to walk, so that the utility model has compact structure, can shorten the wheelbase of the locomotive within a certain range, and improves the curve passing capacity; the utility model adopts the external rotor motor drive, can effectively utilize space for the smaller space of the narrow gauge electric locomotive, improve the torque density of the motor, and can realize the energy feedback of the mechanical and electric combined braking and electric braking processes of the driving system, thereby effectively reducing the energy consumption; the utility model discloses add elastic element between wheel hub and electric motor rotor end cover, improved the utility model discloses a stability.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses an external rotor electric machine 1, rim 2, elastic element 3, clamping ring 4, fastening bolt 5, supporting seat 6, locking end cover 7, locking bolt 8, conductor wire 9, bolt 10. The outer rotor motor 1 comprises a rotor and a stator main shaft 1-1; the stator main shaft 1-1 is arranged in the central hole of the rotor and is coaxial with the rotor. Two ends of the rotor are respectively and fixedly provided with a rotor end cover 1-2, the outer end face of the rotor end cover 1-2 is fixedly provided with a pressing ring 4, the pressing ring 4 is fixedly connected with the rotor end cover 1-2 through the fastening bolt 5, the side faces of the pressing ring 4 and the rotor end cover 1-2 are conical faces, the pressing ring 4 and the rotor end cover 1-2 form an annular groove with a V-shaped cross section, and an elastic element 3 with a V-shaped cross section is arranged in the annular groove.
The side surface of the inner hole of the wheel band 2 is provided with an annular boss with a V-shaped section, and the annular boss is embedded in the groove of the elastic element 3. The rotor end cover 1-2 is connected with the wheel rim arranged on the rotor end cover 1-2 through a conducting wire 9, two ends of the conducting wire 9 are connected with the rotor end cover 1-2 and the wheel rim 2 through bolts 10, and the motor end cover 1-2 and the wheel rim 2 are conducted and grounded.
Two ends of the stator main shaft 1-1 are respectively provided with a supporting seat 6, the supporting seats 6 are fixed at the end part of the stator main shaft 1-1 through locking end covers 7, and the locking end covers 7 are fixed on the end surface of the stator main shaft 1-1 through locking bolts 8.
The utility model discloses an external rotor electric machine adopts the permanent magnetism to directly drive external rotor electric machine, can effectively utilize the space, improves the motor performance. The utility model discloses use rotor end cover 1-2 as the wheel core, reducible assembly part quantity simplifies the structure. The utility model discloses add elastic element 3 between wheel hub 2 and rotor end cover 1-2, reduced the influence of wheel hub 2 and interorbital impact to the motor, improved the stability of motor.
Claims (5)
1. A permanent magnet direct-drive external rotor motor walking driving device for a narrow gauge electric locomotive is characterized in that: comprises an outer rotor motor, a wheel rim and a supporting seat; two ends of a rotor of the outer rotor motor are respectively and fixedly provided with a rotor end cover; the rotor end cover is grounded through a conducting wire; the wheel rim is fixedly arranged on the rotor end cover and is coaxial with the rotor end cover; and two ends of a stator main shaft of the outer rotor motor are respectively and fixedly provided with a supporting seat.
2. The running driving device of the permanent magnet direct-drive outer rotor motor for the narrow-gauge electric locomotive according to claim 1, which is characterized in that: the end face of the rotor end cover is fixedly provided with a pressing ring, the rotor end cover and the pressing ring form an annular groove with a V-shaped cross section, an annular elastic element with a V-shaped cross section is arranged in the annular groove, an annular boss with a V-shaped cross section is arranged in an inner hole of the wheel band, and the annular boss is embedded in the groove of the elastic element.
3. The running driving device of the permanent magnet direct-drive outer rotor motor for the narrow-gauge electric locomotive according to claim 1, which is characterized in that: the supporting seat is fixed at the end part of a stator main shaft of the outer rotor motor through a locking end cover, and the locking end cover is fixed on the end surface of the stator main shaft through a locking bolt.
4. The running driving device of the permanent magnet direct-drive outer rotor motor for the narrow-gauge electric locomotive according to claim 1, which is characterized in that: the rotor end cover is connected with a wheel band arranged on the rotor end cover through a conducting wire, and the end part of the conducting wire is connected with the rotor end cover and the wheel band through a bolt.
5. The running driving device of the permanent magnet direct-drive outer rotor motor for the narrow-gauge electric locomotive according to claim 1, which is characterized in that: the outer rotor motor adopts a permanent magnet direct-drive outer rotor motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022767234.2U CN213367544U (en) | 2020-11-26 | 2020-11-26 | Permanent magnet direct-drive outer rotor motor walking driving device for narrow gauge electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022767234.2U CN213367544U (en) | 2020-11-26 | 2020-11-26 | Permanent magnet direct-drive outer rotor motor walking driving device for narrow gauge electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213367544U true CN213367544U (en) | 2021-06-04 |
Family
ID=76137007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022767234.2U Active CN213367544U (en) | 2020-11-26 | 2020-11-26 | Permanent magnet direct-drive outer rotor motor walking driving device for narrow gauge electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213367544U (en) |
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2020
- 2020-11-26 CN CN202022767234.2U patent/CN213367544U/en active Active
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