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Small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie

A permanent magnet motor, compact technology, applied in the direction of bogies, transportation and packaging, railway car body parts, etc., it can solve the problem that it is difficult to significantly improve performance indicators such as wheel rim wear and energy saving, and the wheelbase of bogies is large , complex structure of the bogie, etc., to achieve the effect of lifting small curves through the performance line, reducing wheel rim wear, and light weight

Inactive Publication Date: 2019-01-11
CRRC NANJING PUZHEN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the structural design of traditional bogies, AC asynchronous traction motors are generally used for driving. The motors need rotor coil excitation, so the efficiency is not high enough and the energy consumption is large. The motors are installed on the frame elastically or rigidly. Disturbance and torque transmission need to be equipped with complex couplings and gearboxes. This type of bogie has a complex structure and low transmission efficiency. In addition, the wheelbase of the bogie is relatively large, the diameter of the wheels is large, and the weight is large. It is difficult to significantly improve performance indicators such as small curve passing performance of the bogie, curve wheel rim wear, and energy saving

Method used

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  • Small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie
  • Small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie
  • Small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie

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Embodiment Construction

[0035] The preferred technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

[0036] Such as figure 1 As shown in the accompanying drawings of the present invention, it can be seen that the motor axle-mounted permanent magnet direct-drive bogie is used to install under the rail vehicle for steering during the running of the rail vehicle. The bogie includes two Frame device, two permanent magnet synchronous traction motors, two triangular elastic support devices, four wheel set axle box devices (general term for wheels and related components), the four wheel set axle box devices are arranged in a rectangular array on the track Below the vehicle, the two wheelset axle box devices adjacent to the front and rear in the forward direction of the rail vehicle are connected by a frame device, and the two wheelset axle box devices located on the left and right symmetrical sides in the forward direction of the rail vehicle ...

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Abstract

The invention discloses a small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie, including a pair of frame devices, wherein an axle is arranged between the framedevices; a permanent magnet synchronous traction motor is installed at the middle of the axle; a wheelset axle box device is arranged on the axle, close to the frame devices; a connecting cross beamis also arranged between the two frame devices; a double traction rod device is arranged on the connecting cross beam; the upper surface of the double traction rod device is provided with a mounting plate; and the mounting plate is fixedly connected with a rail vehicle. Compared with the prior art, the small-wheelbase compact permanent magnet motor axle-hugging mounting type direct-drive bogie hasthe advantages of simple structure, high transmission efficiency, small curve passing performance of the bogie, wheel rim wear of the curve wheel, remarkably improved energy saving performance and the like.

Description

Technical field [0001] The invention relates to a small-wheelbase compact permanent magnet motor axle-mounted direct-drive bogie, belonging to the technical field of rail vehicle bogies. Background technique [0002] In the structural design of traditional bogies, AC asynchronous traction motors are generally used. The motors need rotor coil excitation, so the efficiency is not high enough and the energy consumption is large. The motors are installed on the frame elastically or rigidly, in order to adapt to the dynamics between the motor and the wheelset. Disturbance and torque transmission require complicated couplings and gearboxes. This kind of bogie has a complex structure and low transmission efficiency. In addition, the bogie has a large wheelbase, large wheel diameter, and heavy weight. The bogie's small curve passing performance, curve wheel flange wear, energy saving and other performance indicators are difficult to significantly improve. Summary of the invention [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61F5/52
CPCB61F5/52
Inventor 马晓光赵旭东祝航胡定祥贾小平徐步震成明金
Owner CRRC NANJING PUZHEN CO LTD
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