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

Technical field

The utility model relates to a kind of urban rail transit vehicles bogie truck, relates in particular to a kind of A type metro vehicle bogie.

Background technology

Railcar generally divides three kinds of A, B, C, wherein Type B, C type axletree heavy and light, and maximum allowable axle load generally is no more than 14t, thereby passenger capacity is few; A type railcar maximum allowable axle load can reach 16t, the passenger capacity maximum, but its highest overall trip speed does not also have the operation record of the A type railcar of 100km/h speed class based on 80km/h at present.

Along with speeding up of urbanization, urban population acutely increases, and subway line extends to outskirts of a town, distance between sites lengthening, and the maximum overall trip speed that therefore needs further to improve vehicle improves the service efficiency of railcar to shorten subway hourage.The transport power of existing 80km/h velocity stage A type railcar some deficiency that seems.

Domestic existing A type railcar highest running speed is 80km/h at present, does not also have the A type railcar of 100km/h speed class.

The utility model content

Have safety in operation, stationarity and comfort index that the purpose of this utility model provides a kind of 100km/h speed class reach good A type metro bogie.

A type metro vehicle bogie of the present utility model by two wheels to, framework, two motors, two cover actuating devices, a cover wheel disc brake equipment, a cover draw gear, two air bellows, a cover anti-rolling device, a cover arrangement for adjusting height, four one be that steel spring and four one are that vertical damper, two two are that vertical damper, a lateral damper are formed, wherein:

1. the single stage suspension system adopts overhead type helical steel springs+pivoted arm rubber arthrosis+rubber pad frame mode, and promptly each axle box is installed a vertical damper; The helical steel springs of single stage suspension device is positioned at the axle box top, isolates the vibration of a part from track with rubber pad;

2. framework is a H type structure, and is recessed in the middle of the curb girder, so that air bellow is installed, crossbeam adopts solid drawn pipe, and the crossbeam steel pipe docks welding with the drg Holder for hanging household utensiles, and cover plate connected into the osed top box type construction about drg fell hanging seat and curb girder;

3. the secondary suspension system adopts air bellow+anti-rolling device+arrangement for adjusting height structure, wherein two air bellows are positioned on the curb girder of the truck frame left and right sides as vertical main load bearing component, be installed in anti-rolling device on the car body underframe to improve the anti-rigidity of sidewindering of vehicle, because passengers quantity changes and to cause the car body floor height change to regulate by arrangement for adjusting height, and be aided with laterally and vertical damper reduces the vibration of car body;

4. draw gear adopts simplex pull rod push-pull type structure; The draw bar two ends connect the traction seat on framework and the car body respectively, transmit braking force and tractive force; Draw bar two ends rubber arthrosis is an elastic element, can cushion the phase impact between car body and the framework;

5. actuating device adopts denture clutch, integral traction alternating current dynamo, half suspended load formula gear box structure; Self ventilated type asynchronous traction motor one side is directly installed on the truck frame by security card slot by the mode of four bolts with integral, above traction electric machine opposite side axletree safe support is set; Gear case one end is fixed on the axletree by tapered roller bearing, and the other end is hung on truck frame by the gear case suspension rod; Framework is provided with safety pin, and gear case is provided with corresponding safe support; Gear housing adopts subdivision structure up and down, and split surface passes through axle center; Gear housing inside is provided with channel for oiling, and bearing adopts oil lubrication; The transmission of the driving braking force between traction electric machine and the gear case is realized by flexible denture clutch;

6. two of bogie truck wheels vertically link to each other with framework (2) by pivoted arm location rubber arthrosis (13) to axle box (1).

The single stage suspension vertical stiffness is mainly provided by helical steel springs, and pivoted arm rubber arthrosis rotational stiffness proportion in the single stage suspension vertical stiffness is very little.This version is easier to realize single stage suspension three-way rigidity rational Match, helps the bogie truck high-speed cruising.It realizes traction and braking, and the supporting locomotive weight is realized the locomotive guiding, and accommodation curve passes through, and adapts to the lateral stability of locomotive.

The utility model A type metro vehicle bogie framework adopts by high-quality steel all welded constructions such as high strength low alloy steel plate, steel pipe, foundry goods.Main transmitting tractive of framework and braking force, supporting body weight, each parts of installing and locating bogie truck, and bear from wheel to the vibratory impulse of car body, hang traction electric machine, drg, actuating device, auxiliary device and also transmit the motive power that these parts produce.Framework in the utility model is in light weight, the intensity height.

A type metro vehicle bogie draw gear of the present utility model adopts simplex pull rod push-pull type structure, it is simple in structure, can vertically realize the transmission of tractive force, braking force, and can realize laterally, catenary motion and rotation, can better adapt to the various motions between bogie truck and car body.

A type metro vehicle bogie foundation brake rigging of the present utility model adopts the Multiple disc brake mode, to satisfy railcar high speed deceleration and stopping performance.

A type metro vehicle bogie actuating device of the present utility model adopts denture clutch, integral traction alternating current dynamo, half suspended load formula gear box structure.

Among the utility model embodiment, two wheels of bogie truck vertically link to each other with framework (2) by pivoted arm location rubber arthrosis (13) to axle box (1).Be implemented in the location on the bogie truck, and make wheel to can realizing that at orbit plane low-angle relatively rotates with respect to framework, laterally and vertical by one be steel spring group (14) realize wheel to the location of framework.This takes turns linear running stability and the curving performance that locate mode has been guaranteed this programme A type metro bogie.

A type metro bogie of the present utility model has good horizontal traveling comfort and high-speed cruising stability, and the highest overall trip speed is 100km/h.

Adopt the railcar of the A type metro bogie of 100km/h speed class of the present utility model to have vast market prospect in the big city field of track traffic.

Description of drawings

Total figure of Fig. 1 the utility model embodiment, wherein a is a front view, b is a birds-eye view;

The single stage suspension structure drawing of device of Fig. 2 the utility model embodiment;

The secondary suspension structure drawing of device of Fig. 3 the utility model embodiment;

The draw gear constructional drawing of Fig. 4 the utility model embodiment;

The driving device structure figure of Fig. 5 the utility model embodiment;

The disc brake constructional drawing of Fig. 6 the utility model embodiment.

Marginal data:

1, wheel to 2, framework 3, single stage suspension

4, anti-rolling device 5, actuating device 6, air bellow

7, lateral damper 8, draw gear 9, two are vertical damper

10, foundation brake rigging 11, arrangement for adjusting height 12, are vertical damper

13, pivoted arm rubber arthrosis 14, helical steel springs 15, are vertical backstop

16, one is rubber pad 17, horizontal backstop 18, traction seat

19, draw bar 20, car body 21, gear case

22, plunging joint 23, traction electric machine 24, axletree

25, gear case suspension rod 26, unit brake 27, attachment bolt

28, brake lining 29, attachment bolt 30, brake disc

31, wheel

The specific embodiment

Fig. 1 is the front view and the birds-eye view of A type metro bogie of the present utility model.As shown in Figure 1, A type metro bogie of the present utility model is two axle construction, it mainly by two wheels to axle box 1, framework 2, a cover single stage suspension device (3), a cover anti-rolling device (4), two cover actuating devices (5), two air bellows (6), a lateral damper (7), a cover draw gear (8), two two be vertical damper (9), quadruplet foundation brake unit (10), a cover arrangement for adjusting height (11), four one be that vertical damper (12) is formed.

As shown in Figure 1, framework (2) adopts " H " shape structure, is welded by low-alloy high-strength steel plate, steel pipe and foundry goods.

Wheel adopts whole wrought steel wheel to axle box (1), alloy steel axletree, cast steel journal box body.

Wheel is to locating: as shown in Figure 2, two wheels of every bogie truck vertically link to each other with framework (2) by pivoted arm location rubber arthrosis (13) to axle box (1).

Suspension: as Fig. 1, Fig. 2 and shown in Figure 3, the single stage suspension system adopts overhead type helical steel springs (14)+pivoted arm rubber arthrosis (13)+rubber pad (16) frame mode, and each axle box is installed a vertical damper (12); The secondary suspension system adopts air bellow (6)+anti-rolling device (4)+arrangement for adjusting height (11) structure, and being aided with lateral damper (7) and two is vertical vertical damper (9); Suspension supports suspended weight, guarantees the running stability and the traveling comfort of vehicle.Running stability and traveling comfort when this suspension has guaranteed the 100km/h speed of this programme A type metro vehicle bogie.

As shown in Figure 1 and Figure 4, realize train traction and braking by draw gear (8) structure between A type metro vehicle bogie of the present utility model and the carbody (20).Draw gear (8) mainly comprises traction seat (18) and draw bar (19).

As Fig. 1, shown in Figure 5, the actuating device of A type metro vehicle bogie of the present utility model adopts traction electric machine (23) rigid suspended on framework (2), drive torque is delivered to gear case (21) by denture clutch (22), half is suspended on gear case (21) on the right axletree (24) of wheel, and second half is suspended on the framework (2) by gear case suspension rod (25).

As Fig. 1 and shown in Figure 6, this programme A type metro vehicle bogie foundation brake adopts the Multiple disc brake form, brake disc (30) is connected with wheel (31) by attachment bolt (29), brake lining (28) is contained on unit brake (26) clamp, and unit brake (26) is installed on the framework (2) by four bolts (27).

Claims (1)

1.A type metro vehicle bogie, comprise two wheels to, framework, two motors, two cover actuating devices, a cover wheel disc brake equipment, a cover draw gear, two air bellows, a cover anti-rolling device, a cover arrangement for adjusting height, four one be that steel spring and four one are that vertical damper, two two are that vertical damper, a lateral damper are formed, it is characterized in that:

1. the single stage suspension system adopts overhead type helical steel springs+pivoted arm rubber arthrosis+rubber pad frame mode, and promptly each axle box is installed a vertical damper; The single stage suspension device is that helical steel springs is positioned at the axle box top, and two wheels of bogie truck vertically link to each other with framework (2) by pivoted arm location rubber arthrosis (13) to axle box (1);

2. framework is a H type structure, and is recessed in the middle of the curb girder, so that air bellow is installed, crossbeam adopts solid drawn pipe, and the crossbeam steel pipe docks welding with the drg Holder for hanging household utensiles, and drg Holder for hanging household utensiles and curb girder cover plate up and down connect into the osed top box type construction;

3. the secondary suspension system adopts air bellow+anti-rolling device+arrangement for adjusting height structure, wherein two air bellows are positioned on the curb girder of the truck frame left and right sides as vertical main load bearing component, be installed in anti-rolling device on the car body underframe to improve the anti-rigidity of sidewindering of vehicle, because passengers quantity changes and to cause the car body floor height change to regulate by arrangement for adjusting height, and be aided with laterally and vertical damper reduces the vibration of car body;

4. draw gear adopts simplex pull rod push-pull type structure; The draw bar two ends connect the traction seat on framework and the car body respectively, transmit braking force and tractive force.Draw bar two ends rubber arthrosis is an elastic element, can cushion the phase impact between car body and the framework.

5. actuating device adopts denture clutch, integral traction alternating current dynamo, half suspended load formula gear box structure; Self ventilated type asynchronous traction motor one side is directly installed on the truck frame by security card slot by the mode of four bolts with integral, above traction electric machine opposite side axletree safe support is set.Gear case one end is fixed on the axletree by tapered roller bearing, and the other end is hung on truck frame by the gear case suspension rod.Framework is provided with safety pin, and gear case is provided with corresponding safe support.Gear housing adopts subdivision structure up and down, and split surface passes through axle center.Gear housing inside is provided with channel for oiling, and bearing adopts oil lubrication.The transmission of the driving braking force between traction electric machine and the gear case is realized by flexible denture clutch;

6. two of bogie truck wheels vertically link to each other with framework (2) by pivoted arm location rubber arthrosis (13) to axle box (1).