CN102280970A

CN102280970A - Pulling motor suspension device for steering bogie of high-speed motor train unit

Info

Publication number: CN102280970A
Application number: CN2011101447502A
Authority: CN
Inventors: 王倩
Original assignee: Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2011-12-14

Abstract

The invention discloses a pulling motor suspension device for a steering bogie of a high-speed motor train unit, and particularly relates to a motor hanging bracket. The pulling motor suspension device comprises an upper cover plate, a lower cover plate, an inner side vertical plate, an outer side vertical plate, a middle vertical plate, an upper bent plate, a side bent plate, a motor emergency stop dog, a motor upper bush, a transverse vibration damper seat, a transverse blocking seat, an altitude valve seat and a grounding block, and is characterized in that the side bent plate is welded on the side surface of the upper bent plate, two ends of the upper part of the side bent plate and the motor upper bush are fixedly welded, and the motor emergency stop dog is welded with the side bent plate, the upper bent plate, the outer side vertical plate and the motor upper bush respectively. The pulling motor suspension device is arranged on the steering bogie of the motor train unit, and the original motor hanging bracket side bent plate is welded on the side surface of the upper bent plate, so the structure is reasonable, the welding stress is effectively reduced, the fatigue strength storage is increased, the manufacturability is good, and the safe operation of vehicles can be ensured, thus the requirement on high-speed long term application is met.

Description

EMU bogie tractive motor hanging device

Technical field

The present invention relates to the EMU bogie, especially relate to a kind of tractive motor hanging device that is applied to the EMU bogie.

Background technology

The EMU bogie is the critical component of EMU bogie with the tractive motor hanging device, and its fatigue strength directly influences the security of operation of height motor train unit.Existing tractive motor hanging device, its motor suspension bracket lateral bending plate is welded on below the bent plate, and there is weak link in this Welding Structure, and the fatigue strength under-reserve is if security risk is bigger when weld seam exists tiny flaw or line condition relatively poor.

Summary of the invention

Technical problem to be solved by this invention provides a kind of fatigue strength deposit foot, the good motor suspension bracket of manufacturability, to solve the defective that present EMU bogie exists with the tractive motor hanging device, can guarantee the vehicle safety operation, satisfy long-term high-speed cruising requirement.

For solving the problems of the technologies described above, the invention provides a kind of EMU bogie tractive motor hanging device, relate to the motor suspension bracket, comprise upper cover plate, lower cover, inboard riser, outer cant board, middle riser, last bent plate, the lateral bending plate, the urgent backstop of motor, motor top lining, the lateral damper seat, horizontal block seat, the height valve seat, the ground connection piece, it is characterized in that: the lateral bending plate is welded on the side of bent plate, the welding of lateral bending plate both upper ends thereof and motor top lining is fixing, the urgent backstop of motor respectively with the lateral bending plate, last bent plate, outer cant board, the lining welding of motor top.

The present invention is loaded on the motor car bogie, and original motor suspension bracket lateral bending plate is welded on the side of bent plate, and is rational in infrastructure, welding stress is effectively reduced, and has increased the fatigue strength deposit, and manufacturability is good, can guarantee the safe operation of vehicle, thereby satisfy high Growth spurt utilization requirement.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of motor suspension bracket among Fig. 1;

Fig. 3 is an A place partial sectional view among Fig. 2.

Embodiment

With reference to Fig. 1, the present invention includes motor suspension bracket 1, leaf spring 3, leaf spring pressing plate 6, motor suspension bracket 1 passes four leaf springs 3 by four Hanging bolts 2 lining 4 links to each other with leaf spring 3, leaf spring 3 is provided with leaf spring alignment pin 5 and leaf spring pressing plate 6, motor 7 is installed in motor suspension bracket 1 corresponding diagonal position, and motor laterally retaining 11 and lateral damper 12 also are housed on the motor suspension bracket 1.

With reference to Fig. 2, Fig. 3, motor suspension bracket 1 adopts Welding Structure, urgent backstop 14 weldings of the indent of upper cover plate 13 and lower motor, between upper cover plate 13 and lower cover 15 respectively from horizontal, vertically be welded with inboard riser 16, outer cant board 17 and middle riser 18, inboard riser 16 and outer cant board 17 then are welded with outer gusset 19, the inboard lining 20 of motor lower portion, inner reinforced plate 33 and motor lower portion outside lining 21 successively, are welded with leaf spring lining 22 on the inboard riser 16; By last bent plate 23, the riser building block that lateral bending plate 24 and bearing rib 25 are welded is positioned on the upper cover plate 13, lateral bending plate 24 is welded on the side of bent plate 23, motor top lining 26 is welded in the circular arc mouth of bent plate 23 top edges in conjunction with lateral bending plate 24 and outer cant board 17 tops, 23 liang of outsides of last bent plate are welded with urgent backstop 27 of left motor and the urgent backstop 28 of right motor respectively, the urgent backstop of left and right sides motor also respectively with the lateral bending plate, outer cant board, the lining welding of motor top is welded with lateral damper seat 29 on the motor suspension bracket 1, horizontal block seat 30, height valve seat 31 and ground connection piece 32.

During use, the bolt on the motor 7 is passed the centre bore of motor suspension bracket 1 motor top lining and fix, and revoke 10 and laterally retaining 11 restriction motor and the displacements of motor suspension bracket on all directions of motor with vertical safety backstop 8, lateral displacement baffle plate 9, safety.Vibration that motor produces and noise pass to framework after relying on leaf spring lining and motor bush structure vibration damping earlier, pass to car body through air spring again, and effect of vibration and noise reduction is very good.Simultaneously, this structure has increased the fatigue strength deposit, guarantees the fail safe of vehicle operating.

Claims

1. EMU bogie tractive motor hanging device, relate to the motor suspension bracket, comprise upper cover plate, lower cover, inboard riser, outer cant board, middle riser, go up bent plate, lateral bending plate, the urgent backstop of motor, motor top lining, lateral damper seat, horizontal block seat, height valve seat, ground connection piece, it is characterized in that: the lateral bending plate is welded on the side of bent plate, lateral bending plate both upper ends thereof and the welding of motor top lining are fixing, and the urgent backstop of motor is welded with lateral bending plate, last bent plate, outer cant board, motor top lining respectively.