CN201538327U - A-mode subway vehicle bogie - Google Patents

Abstract

The utility model relates to an A-mode subway vehicle bogie, aiming at ensuring good safety and stability of a subway while improving the running speed. In the A-mode subway vehicle bogie, a primary suspension system adopts a structural mode of an overhead spiral steel spring plus a rocker arm rubber joint plus a rubber pad; a secondary system adopts a structural mode of an air spring plus a side rolling preventing device plus a height adjusting device; a traction device adopts a push-pull type structure of a single pull rod; a driving device adopts a structure of a dental coupling, a full-suspension traction alternating current motor, and a semi-suspension bearing type gearbox; and two wheel set axle boxes (1) of the bogie are longitudinally connected with a structure (2) by the rocker arm locating rubber joint (13). The A-mode subway vehicle bogie has excellent horizontal comfortableness and high-speed running stability with highest running speed being 100km/h.

Description

A type metro vehicle bogie

FIELD

[0001] The present invention relates to a bogie urban rail transit vehicles, in particular to a type A metro vehicle bogie.

Background technique

[0002] A metro vehicle generally divided, B, C three, including B, C light car axle, the maximum axle load of not more than 14T, thus carrying less; type A metro vehicle up to the maximum axle load 16T, the maximum passenger capacity, but its maximum operating speed of 80km / h based, not 100km / h speed rating of a-type metro vehicle operating record.

[0003] With the accelerated urbanization, the urban population increased dramatically, extending subway lines to the suburbs, lengthen the distance between stations, and therefore need to further increase the maximum operational speed of the vehicle in order to shorten the subway travel time, improve the efficiency of metro cars. Existing 80km / h speed grade A-type metro vehicle capacity appears to be insufficient.

[0004] Currently there are type A metro vehicle maximum operating speed of 80km / h, not 100km / h speed rating of A-type metro vehicle.

SUMMARY

[0005] The present invention aims to provide a 100km / have operational safety, stability and comfort index reached h speed rating of excellent type A metro bogies.

[0006] A type of the present invention by the two metro bogie wheel, a frame, two motors, two drive means, a wheel braking device, a pulling device, two air springs, a anti-roll means set, a height adjustment means, a series of four steel spring and a series of four vertical damper, two secondary vertical damper, consisting of a transverse damper, wherein:

[0007] ① a primary suspension system using an overhead boom coil steel spring + rubber joint rubber pad structure + a way that each pedestal is mounted a vertical shock absorber; steel coil spring suspension system is located a pedestal top , a portion of the vibration isolation rubber pad from the track;

[0008] ② framework for the H-type structure, the intermediate concave side member, for mounting the air spring, beams seamless steel pipe, the brake pipe and pylon base beam butt weld, hanging out of the brake housing is connected to the upper and lower cover to close the side sill the box-shaped structure; [0009] ③ secondary suspension system employs air springs + + anti-roll device structure height adjusting apparatus, wherein two air springs located about the truck frame side members as the vertical main bearing member mounted on a vehicle body underframe anti-roll means to improve the anti-roll stiffness of the vehicle, since the number of passengers height variations caused by changes in the vehicle body floor height adjustable by adjusting means, supplemented by reduced lateral and vertical damper body vibration;

[0010] ④ single rod pulling means push-pull configuration; tow bar ends are connected to the fifth wheel on the frame and the vehicle body, braking force and traction force is transmitted; at both ends of the rubber member is an elastic drawbar articulation, capable of buffering the vehicle body and the impact between opposite frame;

[0011] ⑤ driving apparatus using a toothed coupling, AC traction motors fully suspended, semi-mounted gear box bearing structure; self-ventilated traction motor asynchronous full side by four bolts suspended directly over a secure mounting slot the steering rack architecture, security is provided at the other side of the tray above the axle traction motor; gearbox bearing fixed to one end of the axle through the tapered roller, and the other end by a steering gear box boom hanging frame architecture; provided on the frame safety pin, provided on the gear box corresponding security torr; gear box with vertically split structure, with split plane through the axle center; lubricant passage provided inside the gear housing, bearings lubricated by oil; traction motors and gearboxes of transmission of the driving force between the braking is implemented by a flexible coupling tooth;

[0012] ⑥ two wheels of the bogie axle box (1) by longitudinal positioning of the rubber joint pivot arm (13) and the frame (2) is connected. [0013] - vertical stiffness of the suspension system is provided mainly by the coil spring steel, rubber joint pivot arm rotational stiffness in vertical stiffness of the primary suspension in a small proportion. The structure is easier to implement a three-way primary suspension stiffness reasonable match, in favor of high-speed bogie running. It is the traction and braking, engine weight support, guide Locomotive, curve adaptation, adaptation locomotive lateral stability.

[0014] The present invention type A metro vehicle bogie frame by the use of high-strength low-alloy steel plate, steel, high-quality steel castings all welded construction. The main frame transmitting tractive and braking force, the supporting vehicle weight, each bogie parts mounting locations, and subjected to vibration and impact from the wheel to the vehicle body, the suspension traction motor, brake, drive means, and transmitting the auxiliary device member produced various forces. Light weight framework of the present invention, a high strength.

[0015] The present invention type A metro vehicle bogie for trailing push-pull rod means a single structure, which is simple in structure

Single, to achieve longitudinal traction force, the braking force is transmitted, and to achieve lateral, vertical and rotational movement, can better adapt to motion between the bogie and the vehicle body.

[0016] A type of the present invention based metro bogie brake disc braking device adopts a manner to meet the high-speed metro vehicle braking performance.

[0017] The present invention type A metro bogie driving apparatus using a toothed coupling, AC traction motors fully suspended, semi-mounted gearbox bearing structure.

[0018] Example embodiment of the present invention, the two wheels of the bogie axle box (1) by longitudinal positioning of the rubber joint pivot arm

(13) and the frame (2) is connected. Achieve localization in a bogie, and the wheel relative to the frame may be implemented in the orbital plane

Small angle relative rotation to achieve lateral and vertical positioning of the wheel and the frame by a series of steel spring group (14). The wheel positioning

Means to ensure the straight-running stability and the curve of the present embodiment by type A metro bogie performance.

[0019] the present invention has excellent type A metro bogie lateral comfort and stability at high speed, the highest op

Camp speed of 100km / h.

[0020] The present invention 100km / h speed rating of A-type metro vehicle bogie metro rail transportation in large cities have broad market prospects.

BRIEF DESCRIPTION

[0021] FIG. 1 Total embodiment of the present invention FIG embodiment, wherein a front view, b is a plan view;

[0022] means a system configuration diagram in FIG. 2 embodiment of the present invention is suspended;

[0023] Figure 3 embodiment of the present invention shows the structure of two suspension lines;

[0024] Figure 4 embodiment of the present invention is a configuration diagram of the traction device;

[0025] The drive apparatus of FIG. 5 embodiment of the present invention;

[0026] The disc braking device configuration of Figure 6 an embodiment of the present invention.

[0027] Legend:

[0028] 1, wheel 2, the frame 3, a series of suspension

[0029] 4, 5 anti-roll means, drive means 6, the air spring

4 [0030] 7, lateral damper 8, 9 traction means, secondary vertical damper

[0031] 10, the braking device base 11, the height adjusting device 12, a primary vertical damper

[0032] 13, the boom joint rubber 14, the steel spring coil 15, primary vertical stop

[0033] 16, a rubber pad 17, a transverse stop 18, the fifth wheel

[0034] 19, drawbar 20, the vehicle body 21, a gear box

[0035] 22, coupling 23, the traction motor 24, the axle

[0036] 25, the boom gear box 26, the brake unit 27, the coupling bolts

[0037] 28, brake pad 29, coupling bolt 30, the brake disk

[0038] 31 wheel

detailed description

[0039] FIG. 1 is a front view and a plan view of the present invention type A metro bogie. As shown in FIG. L, the present invention type A metro bogie a two-axis structure which mainly consists of two pair of wheels the axle box 1, a frame 2, a primary suspension means (3), a Lateral rolling means (4), two drive means (5), two air springs (6), a lateral damper (7), a traction means (8), two secondary vertical damper (9 ), four sets of base brake unit (10), a height adjusting means (11), a series of four vertical damper (12) components.

[0040] As shown in FIG. 1, the frame (2) "H" shaped structure, welded low alloy high strength steel, and steel castings made.

[0041] The wheel (1) with the overall rolling of steel wheels, axles steel, cast on the axle box housing axis.

[0042] positioned on the wheel: 2, the two wheels of each bogie axle box (1) longitudinal positioning of the rubber joint (13) and the frame (2) connected via a pivot arm.

[0043] Suspension: Figures 1, 2 and 3, the primary suspension system using an overhead steel coil spring (14) + rubber joint boom (13) + rubber (16) structure, each a pedestal mounted vertical damper (12); secondary suspension system uses (11) the structure of the air spring (6) + anti-roll means (4) + height adjusting means, supplemented by lateral damper (7) and secondary vertical vertical damper (9); the suspension system to support the sprung weight, to ensure smooth operation of the vehicle and comfort. The suspension system to ensure the running stability and comfort when 100km / h speed of the present embodiment type A metro vehicle bogie. [0044] As shown in FIG. 1 and FIG. 4, the present invention type A subway train traction bogie brake implemented by a traction means (8) between the structure and the vehicle body (20). Traction means (8) including the fifth wheel (18) and the traction bar (19).

[0045] FIG. 1, the drive apparatus of the present invention type A metro vehicle bogie using traction motor (23) in FIG. 5 is suspended from the rigid frame (2), a drive torque via a toothed coupling (22 ) is transmitted to a gearbox (21), a gearbox (21) - of the semi-mounted wheel axle (24), the other half of the gear box boom (25) suspended on the frame (2). [0046] As shown in FIG. 1 and FIG. 6, the present embodiment metro type A bogie brake base employed in the form of a brake disc, brake disc (30) connected by a coupling bolt (29) and the wheel (31), a gate sheet (28) is mounted on a brake unit (26) on the clamp, the brake unit (26) (27) mounted on the housing (2) by means of four bolts.

Claims (1)

1. A subway car truck type, comprising two wheel, a frame, two motors, two drive means, a wheel braking device, a pulling device, two air springs, an anti-roll device, a height adjustment means, a series of four steel spring and a series of four vertical damper, two secondary vertical damper, consisting of a transverse damper, wherein is: ① suspension system uses a series of steel spring overhead boom + + rubber joint rubber pad structure a way that each pedestal is mounted a vertical shock absorber; primary suspension means located at the top of pedestal steel coil spring, the two wheels of the bogie shaft box (1) by longitudinal positioning of the rubber joint pivot arm (13) and the frame (2) is connected; ② the frame is H-shaped structure, the intermediate concave side member, for mounting the air spring, beams seamless steel pipe, the brake pipe and lifting beam hanging seat butt welding, the brake base and the side sill vertically hanging plate is connected as a closed box-like structure; ③ the secondary suspension system employs air springs + + anti-roll device structure height adjusting apparatus, wherein two air springs located in the steering architecture left and right side of the rack As the main vertical beam bearing member mounted on the chassis of the vehicle anti-roll means to improve the anti-roll stiffness of the vehicle, due to the resulting change in the number of passengers the vehicle body floor height changes is adjusted by the height adjusting means, supplemented by lateral and vertical dampers reduce vibration of the vehicle body; ④ single rod pulling means push-pull configuration; tow bar ends are connected to the fifth wheel on the frame and the vehicle body, braking force and traction force is transmitted. Ends drawbar articulation is an elastic rubber member, can cushion the impact between the body and the relative frame. ⑤ driving apparatus using a toothed coupling, AC traction motors fully suspended, semi-mounted gear box bearing structure; self-ventilated traction motor asynchronous full side by four bolts mounted directly suspended by the steering architecture security slot frame, the safety bracket is provided at the other side above the axle traction motor. One end of the gearbox by tapered roller bearings fixed on the axle, through the gear box and the other end hanging boom steering rack architecture. A safety pin provided on the frame, the bracket is provided with a respective safety gear box. Gear box with vertically split structure, with split plane through the center of the axle. The lubricating oil passage is provided inside the gear housing, bearings lubricated by oil. Braking traction drive transmission between the motor and the gear box is realized by a flexible toothed coupling; ⑥ two wheels of the bogie axle box (1) longitudinal positioning of the rubber joint (13) and the frame (2) by the pivot arm connected.