CN209395501U - Axle box, wheel are to, bogie and rail vehicle - Google Patents

Abstract

A kind of axle box, wheel are provided in the embodiment of the present application to, bogie and rail vehicle, wherein axle box includes: cabinet；The pilot hole for being assembled with the axle in bogie is equipped in the cabinet；One is buffering ring, is arranged in the pilot hole；For the first mounting base that the framework with bogie is connected, the outer wall of the cabinet is set.Axle box provided by the embodiments of the present application, wheel are conducive to mitigate the self weight of rail vehicle to, bogie and rail vehicle.

Description

Axle box, wheel are to, bogie and rail vehicle

Technical field

This application involves travelled by vehicle technology more particularly to a kind of axle box, wheels to, bogie and rail vehicle.

Background technique

Rail vehicle is the important traffic tie for linking each city, the main means of transport being increasingly becoming in city, rail Road vehicle still realizes the main carriers of cargo transport.Rail vehicle mainly includes: car body and the steering that is arranged in below car body Frame, bogie is for carrying car body and realizing traveling and turning function.

Bogie generally includes: framework, wheel are to, single stage suspension and secondary suspension, wherein wheel to include axle, wheel and Axle box, two wheels are symmetrically fixed on axle, and the both ends of axle pass through bearing respectively and are connected with axle box, and axle box passes through one System's suspension and positioning device are connected with framework, and framework is connected by secondary suspension and traction device with car body.Framework is bogie Core skeleton, traditional framework is made of two curb girders disposed in parallel and the crossbeam being connected between two curb girders, two A curb girder and crossbeam connect into " H " shape.The volume of curb girder is larger, and both ends are extendd in the longitudinal direction to the top of axle box, a system Vertically direction is arranged between curb girder and axle box for suspension.Large volume of curb girder also has biggish weight, Jin Erzeng simultaneously The big weight of bogie.

Summary of the invention

A kind of axle box, wheel are provided in the embodiment of the present application to, bogie and rail vehicle, are conducive to mitigate rail vehicle Self weight.

The application first aspect embodiment provides a kind of axle box, is applied on bogie, the axle box includes:

Cabinet；The pilot hole for being assembled with the axle in bogie is equipped in the cabinet；

One is buffering ring, is arranged in the pilot hole；

For the first mounting base that the framework with bogie is connected, the outer wall of the cabinet is set.

Axle box as described above, first mounting base are equipped with the first connecting hole.

Axle box as described above, the center line of first connecting hole and the centerline parallel of the pilot hole.

Axle box as described above, further includes:

The second mounting base for being connected with framework, is arranged in the outer wall of the cabinet.

Axle box as described above, second mounting base are equipped with the second connecting hole.

Axle box as described above, the center line of second connecting hole and the centerline parallel of the pilot hole.

Axle box as described above, the cabinet are cylinder-like structure.

Axle box as described above, first mounting base and the second mounting base are located at the same semi-circumference of the cabinet It is interior.

Axle box as described above, described one is that buffering ring includes:

Outer ring；

Inner ring is located in the outer ring；And

Intermediate ring, between the outer ring and inner ring.

Axle box as described above, the intermediate ring are rubber ring.

Axle box as described above, further includes:

Bearing, being arranged described one is on the inside of buffering ring.

Axle box as described above, it is interference fit that the bearing, which is buffering ring with described one,.

The application second aspect embodiment provides a kind of wheel pair, comprising: axle box as described above.

The application third aspect embodiment provides a kind of bogie, comprising: wheel pair as described above.

The application fourth aspect embodiment provides a kind of rail vehicle, comprising: bogie as described above.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the structural schematic diagram for the bogie that the embodiment of the present application one provides；

Fig. 2 is the structural schematic diagram for the axle box cabinet that the embodiment of the present application one provides；

Fig. 3 is the structural schematic diagram that the embodiment of the present application one provides one is buffering ring；

Fig. 4 is the structural schematic diagram that the embodiment of the present application one provides one is buffering ring and cabinet assembly；

Fig. 5 is the structural schematic diagram of the axle box that the embodiment of the present application one provides and framework assembly；

Fig. 6 is the partial sectional view for the wheel pair that the embodiment of the present application one provides；

Fig. 7 is the structural schematic diagram for the framework that the embodiment of the present application one provides；

Fig. 8 is the explosive view of the framework that the embodiment of the present application one provides and axle box assembly；

Fig. 9 is the structural schematic diagram for the wheel pair that the embodiment of the present application one provides；

Figure 10 is the explosive view for the wheel pair that the embodiment of the present application one provides；

Figure 11 is the explosive view for the bogie that the embodiment of the present application one provides；

Figure 12 is the explosive view for the traction device that the embodiment of the present application one provides；

The structural schematic diagram of driving motor is provided on the bogie that Figure 13 provides for the embodiment of the present application one；

Figure 14 is the explosive view of the driving motor that the embodiment of the present application one provides and wheel pair；

Figure 15 is the schematic diagram of the driving motor that the embodiment of the present application one provides and wheel to assembly.

Appended drawing reference:

1- crossbeam；11- draw rod attachment part；The second pivot hole of 111-；12- brakes flap seat；13- motor connecting base；14- traction Slot；15- bis- is mounting base；

2- attachment beam；21- linking arm；The first bolt hole of 211-；22- connector；The first pivot of 221-；222- support base； 23- bolt；24- nut；

31- axle；32- wheel；33- axle box；330- cabinet；3301- pilot hole；The first mounting base of 331-；3311- first Pivot hole；The second mounting base of 332-；3321- third pivot hole；34- mono- is buffering ring；341- outer ring；Ring among 342-；343- Inner ring；35- bearing；36- hubcap；37- brake disc；

4- positioning tie bar；The second pivot of 41-；42- third pivot；43- abdicating through hole；

5- brake clamp；

6- traction device；61- centrepin；62- draws rubber metal pad；621- receiving hole；63- pressing plate；

7- air spring；

8- driving motor；81- motor housing；811- attachment base；82- stator；83- rotor；84- connecting rod.

Specific embodiment

In order to which technical solution in the embodiment of the present application and advantage is more clearly understood, below in conjunction with attached drawing to the application Exemplary embodiment be described in more detail, it is clear that described embodiment be only the application a part implement Example, rather than the exhaustion of all embodiments.It should be noted that in the absence of conflict, embodiment and reality in the application The feature applied in example can be combined with each other.

Embodiment one

The present embodiment provides a kind of axle boxes, can be used on the bogie of rail vehicle.The rail vehicle can be internal combustion Locomotive, electric locomotive, EMU, subway, light rail, tramcar etc..The bogie has lighter self weight, and then can reduce Vehicle body self weight, improves propulsive efficiency.

Fig. 1 is the structural schematic diagram for the bogie that the embodiment of the present application one provides.As shown in Figure 1, provided in this embodiment Bogie includes: framework and wheel pair, and framework includes: crossbeam 1 and attachment beam 2.Wherein, crossbeam 1 extends in transverse direction, attachment beam 2 extend in the longitudinal direction.Transverse direction is the left and right directions of rail vehicle, and longitudinal direction is the driving direction of rail vehicle.Afterwards The vertical direction that face is mentioned is vertical direction namely up and down direction.

Wheel is to specifically including: axle 31 and wheel 32.Wherein, axle 31 extends in transverse direction, it may be assumed that the axis of axle 31 It is parallel with crossbeam 1.Wheel 32 there are two being symmetrical arranged on a piece axle 31.Axle box 33 provided in this embodiment passes through bearing It is connected with axle 31, so that axle 31 can be rotated relative to axle box 33.

Fig. 2 is the structural schematic diagram for the axle box that the embodiment of the present application one provides, and Fig. 3 is one that the embodiment of the present application one provides It is the structural schematic diagram of buffering ring, Fig. 4 is the structural representation that the embodiment of the present application one provides one is buffering ring and cabinet assembly Figure.As shown in Figures 2 to 4, axle box 33 provided by the present embodiment specifically includes: 330 outer wall of cabinet is arranged in cabinet 330 First mounting base 331 and what is be arranged in cabinet 330 one is buffering ring 34.Pilot hole 3301, system buffering are equipped in cabinet 330 Ring 34 is located in pilot hole 3301.Cabinet 330 is assembled by bearing with axle 31, and bearing also is located in pilot hole 3301, One is buffering ring 34 between bearing and cabinet 330.

Fig. 5 is the structural schematic diagram of the axle box that the embodiment of the present application one provides and framework assembly.As shown in figure 5, above-mentioned One mounting base 331 is specifically connected with attachment beam 2 for being connected with framework, realizes that axle box 33 is connected with framework.

Technical solution provided in this embodiment is equipped in cabinet for being filled with axle in bogie using cabinet The pilot hole matched, being arranged one in pilot hole is buffering ring, for buffering to the vibration between axle and axle box；In cabinet Outer wall be equipped with the first mounting base, be connected for the framework with bogie, with framework in the prior art by single stage suspension and The connected mode of axle box is compared, and framework and axle box are connected directly by technical solution provided in this embodiment, is conducive to reduce framework Volume, weight also mitigates therewith, and then reduces the weight of bogie, reaches the light-weighted effect of bogie.

In prior art, it is connected with framework by single stage suspension by axle box and is limited, wheel can only be arranged in axle box Outside.And above scheme provided by the present embodiment is used, axle box 33 both can be set in the outside of wheel 32, also can be set In the inside of wheel 32.Below by taking the inside of wheel 32 is arranged in axle box 33 as an example, its implementation is described in detail.Axis Case 33 is located at the inside of wheel 32, it may be assumed that is located between two wheels 32.

As shown in Figures 2 to 4, above-mentioned cabinet 330 is substantially cylindrical, and one is that buffering ring 34 is arranged in pilot hole 3301 Interior, it is in buffering ring 34 that bearing, which is arranged one,.One be buffering ring 34 effect be between cabinet 330 and bearing vibration carry out Buffering.

One is there are many kinds of the implementations of buffering ring 34, such as can be used such as under type:

One be buffering ring 34 includes: outer ring 341, intermediate ring 342 and the inner ring 343 that ecto-entad is set gradually.Outer ring 341 It can be made of metal, inner ring 343 can also be made of metal, and intermediate ring 342 is using the material system with certain elasticity At, such as: rubber ring is made using rubber.Outer ring 341, intermediate ring 342 and inner ring 343 can be made up of sulfuration process.Rubber Ring internal resistance with higher can absorb impact and high-frequency vibration to reduce noise.

Compared to the rigid straight spring that can only bear single direction load used by single stage suspension in the related technology, originally It is that buffering ring 34 can reach buffering only with one as soon as what embodiment used is that buffering ring 34 is able to bear multidirectional load Effect simplify the structure of bogie to reduce the quantity of components.

Fig. 6 is the partial sectional view for the wheel pair that the embodiment of the present application one provides.As shown in fig. 6, outer ring 341 and cabinet 330 For interference fit, the outer ring of inner ring 343 and bearing 35 is clearance fit.The inner ring and axle 31 of bearing 35 are interference fit.

In addition, wheel 32 and axle 31 are interference fit.Hollow shaft can be used in axle 31, is conducive to the weight for mitigating wheel pair Amount.Hubcap 36 is set in the outside of wheel 32, hubcap 36 is bolted on the end of axle 31, and hubcap 36 can Sealing effect is played to hollow axle 31, prevents dust and other impurities from entering in the hollow cavity of axle 31.

The scheme in 32 outside of wheel is set for axle box 33, specifically axle box 33 is arranged in 32 outside of wheel.Axle box 33, the mode that wheel 32 is respectively assembled with axle 31, which can refer to built in above-mentioned axle box 33, realizes.

First mounting base 331 is arranged on the outer circumference surface of cabinet 330.First mounting base 331 is used for and the company in framework It connects beam 2 to be connected, therefore, the specific structure of the first mounting base 331 can be equipped with attachment beam 2.

For axle box 33 and framework, the present embodiment provides a kind of concrete implementation modes:

Fig. 7 is the structural schematic diagram for the framework that the embodiment of the present application one provides, and Fig. 8 is the structure that the embodiment of the present application one provides The explosive view of frame and axle box assembly, Fig. 9 are the structural schematic diagram for the wheel pair that the embodiment of the present application one provides, and Figure 10 is the application The explosive view for the wheel pair that embodiment one provides.As shown in Fig. 1,5,7,8,9,10, the quantity taken turns pair is two, is symmetricly set on The two sides of crossbeam 1 along the longitudinal direction.The inside of wheel 32 is arranged in axle box 33, it may be assumed that is located between two wheels 32.Axle box 33 Outer wall is provided with the first mounting base, and the vertical height of the first mounting base is higher than the axis of axle 31, it may be assumed that the first mounting base is located at axis Above the axis of case 33.

The quantity of attachment beam 2 is at least two, and at least two attachment beams 2 are symmetricly set on two of crossbeam 1 along the longitudinal direction Side.There are two ends for the tool of attachment beam 2, referred to as: first end and second end.The first end of attachment beam 2 is connected with crossbeam 1, second end It is connected with the first mounting base on axle box 33, realizes the connection of crossbeam 1 and wheel pair.The weight of car body loads on crossbeam 1, also Axle box 33 is passed to by attachment beam 2, then wheel 32 is passed to by axle 31.

Attachment beam 2 is the structure of strip, can be linear type, can also there is certain radian.Attachment beam 2 is in vertical side To certain deformation can be generated, the effect of semielliptic spring is played, the vibration of wheel pair is buffered, the vibration of car body is reduced.

Four attachment beams 2 are provided on framework shown in Fig. 7, two attachment beams 2 are symmetricly set on the side of crossbeam 1, Other two attachment beams 2 are symmetricly set on the other side of crossbeam 1.Corresponding, arranged symmetrically on each axle 31 there are two axis Case 33, axle box 33 are connected with corresponding attachment beam 2.The weight average of car body is distributed on four wheels 32, so that each wheel 32 It keeps steady calmly to trying hard to keep for rail application, can be improved riding comfort, and the track uplink not positive in curve track or route When sailing, the phenomenon that can inhibit " wheel unloading " that the vertical load that wheel 32 transmits to track is reduced, and be not easy to derail.

The both ends of attachment beam 2 are fixedly connected with crossbeam 1 and axle box 33 respectively；Alternatively, the both ends of attachment beam 2 respectively with crossbeam 1 and axle box 33 be pivotally connected；Alternatively, the first end of attachment beam 2 is fixedly connected with axle box 33, second end and crossbeam 1 are pivotally connected；Again alternatively, The first end of attachment beam 2 is fixedly connected with crossbeam 1, and second end and axle box 33 are pivotally connected.

In Fig. 5, in order to clearly show the connection type of axle box 33 Yu attachment beam 2, wheel 32 is eliminated.As shown in figure 5, In the present embodiment, the first end of attachment beam 2 is fixedly connected with crossbeam 1, and second end and axle box 33 are pivotally connected, and enables 33 phase of axle box Certain angle is rotated for attachment beam 2.When crossbeam 1 is by varying load, can produce relative rotation between axle box 33, so that The stress equalization of four wheels 32.

The present embodiment provides a kind of specific implementations of attachment beam 2:

As shown in Figure 7 and Figure 8, attachment beam 2 includes: linking arm 21 and connector 22.Wherein, one end of linking arm 21 and cross Beam 1 is fixedly connected, and the other end is connected with connector 22.The first mounting base 331 on connector 22 and axle box 33 is pivotally connected.

For the connection type between linking arm 21 and connector 22, can there are many means, such as: in connector 22 Equipped with the accommodating chamber for accommodating linking arm 21, accommodating chamber is open towards linking arm 21.Linking arm 21 can be inserted into accommodating chamber simultaneously It is fixedly connected with connector 22.Specifically, the first bolt hole 211 is arranged on linking arm 21, the quantity of the first bolt hole 211 can Think two or more.The corresponding side wall in accommodating chamber opens up the second bolt hole (not indicating in figure).Linking arm 21 is inserted into and is held It receives in hole, makes the first bolt hole 211 and the second bolt hole to just, the first bolt hole 211 and the second bolt are passed through using bolt 23 Hole, and attaching nut 24 is fixed.

Alternatively, can also be exchanged in the connection structure of linking arm 21 and connector 22, it may be assumed that be arranged on linking arm 21 and accommodate Chamber, connector 22 are inserted into the accommodating chamber of linking arm 21 and are attached.

It, can also be using modes such as clamping, welding, rivetings between linking arm 21 and connector 22 other than aforesaid way It is fixed.

For the implementation being pivotally connected between connector 22 and axle box 33, multiple means can be used, for example, by using such as lower section Formula:

Open up the first connecting hole 3311 in the first mounting base 331, the center line of the first connecting hole 3311 and pilot hole Centerline parallel.Articulated section is set in the end of connector 22, articulated section includes: two support bases 222 and is connected to two The first pivot 221 between support base 222.First pivot 221 may be mounted in the first connecting hole 3311, realize connector 22 with First mounting base 331 is connected, and can relatively rotate between connector 22 and the first mounting base 331.

In addition to the above, pivot can also be set in the first mounting base 331, and correspondence is arranged on connector 22 Pivot hole, to realize that connector 22 and the first mounting base 331 are pivotally connected.

Other than above-mentioned implementation, attachment beam 2 can also be realized in other manners, such as: attachment beam 2 is A piece unjointed beam, one end are fixedly connected with crossbeam 1, and the other end and axle box 33 are pivotally connected.

As shown in Fig. 5 to Fig. 8, based on the above technical solution, crossbeam 1 can also be connected to using positioning tie bar 4 Between axle box 33, to play the positioning action to wheel pair.The outer wall of cabinet 330 is additionally provided with the second peace for being connected with framework Seat 332 is filled, the vertical height of the second mounting base 332 is lower than the axis of axle 31, is equivalent to the second mounting base 332 and is located at axle box 33 Axis below.One end of positioning tie bar 4 is connected with crossbeam 1, and the other end is connected with the second mounting base 332.

In the present embodiment, the both ends of positioning tie bar 4 are pivotally connected with crossbeam 1 and axle box 33 respectively, specifically, in positioning tie bar 4 Both ends be respectively arranged with the second pivot 41 and third pivot 42.It is corresponding, draw rod attachment part 11, pull rod are set on crossbeam 1 The second pivot hole 111 is provided on interconnecting piece 11, the second pivot 41 can be assembled in the second pivot hole 111, so that positioning tie bar 4 It can be rotated relative to crossbeam 1.The second connecting hole 3321, the second connecting hole are provided in the second mounting base 332 of axle box 33 3321 center line and the centerline parallel of pilot hole.Third pivot 42 can be assembled in the second connecting hole 3321, so that positioning Pull rod 4 can be rotated relative to axle box 33.

In addition to the above, pivot hole can also be set on positioning tie bar 4, it is corresponding on crossbeam 1 or axle box 33 Pivot is set, also can be realized positioning tie bar 4 and be attached by the way of pivot joint with crossbeam 1 or axle box 33.

Above-mentioned first mounting base 331 and the second mounting base 332 are located in the same semi-circumference of cabinet, so that axle box 33, 4 three components of attachment beam 2 and positioning tie bar form the connection structure of triangle, and stability is preferable.Moreover, the weight when car body adds It is loaded on crossbeam 1, crossbeam 1 drives axle box 33 to rotate (in Fig. 3, axle box 33 is rotated clockwise) by attachment beam 2, when turning to one When determining angle, positioning tie bar 4 limits axle box 33, limits axle box 33 and continues to rotate, and then is able to suppress wheel to opposite It is shaken in crossbeam 1, can especially control critical speed when serpentine locomotion occurs.

Further, the vertical height of first end is lower than second end in attachment beam 2.The setting of above-mentioned draw rod attachment part 11 is existed The joint of crossbeam 1 and attachment beam 2, and it is located at the top surface of crossbeam 1.The resigning passed through for attachment beam 2 is set on positioning tie bar 4 Through-hole 43, attachment beam 2 are connected after being upward through the abdicating through hole 43 with the first mounting base 331 for being located at 33 top of axle box.

Positioning tie bar 4 is whole in the domes to arch upward upwards, intensity with higher.

The above-mentioned framework including crossbeam 1 and attachment beam 2 integrally can be used carbon fibre material and be made, and it is whole to increase framework Flexibility, the transmitting with the vibration between wheel track of decaying to car body.

The mode in 32 outside of wheel is set for axle box 33, only changes attachment beam 2, positioning tie bar 4 is connect with crossbeam 1 Position, be equivalent to by Fig. 7 attachment beam 2 and draw rod attachment part 11 to the both ends of crossbeam 1 move corresponding distance, make it Adapt to the external position of axle box 33.

Above-mentioned one is buffering ring 34 as single stage suspension, can be buffered to the vibration of wheel track.Figure 11 is that the application is real The explosive view of the bogie of the offer of example one is provided.As shown in figure 11, secondary suspension includes the air spring 7 being arranged on crossbeam 1, The top of air spring 7 is connected with car body, plays the role of bearing body, additionally it is possible to reduce the vibration for passing to car body.

As shown in fig. 7, being symmetrically arranged with two for assembling air spring 7 on crossbeam 1 is mounting base 15, air spring 7 quantity is two, and being separately positioned on two is in mounting base 15.

In above-mentioned bogie, the vertical load transmission path of car body are as follows: car body, air spring 7, crossbeam 1, attachment beam 2, axis Case 33, one is buffering ring 34, bearing 35, axle 31, wheel 32, track.The vibration of wheel track is transmitted along opposite direction, can Mitigate the vibration of car body, improves riding comfort.

In addition, the middle part of crossbeam 1 is provided with traction grooved 14 as shown in Fig. 1,5,7,8, for accommodating traction device 6.Figure 12 For the explosive view for the traction device that the embodiment of the present application one provides.As shown in figure 12, traction device 6 includes: centrepin 61, leads Draw rubber metal pad 62 and pressing plate 63.Traction rubber metal pad 62 is fixed between two pressure plates 63, and is fixed together with pressing plate 63.Traction The receiving hole 621 for accommodating centrepin 61 is arranged in 62 center of rubber metal pad, and the bottom end of centrepin 61 is inserted into receiving hole 621, in The top of heart pin 61 is connected with car body.

Traction device is used to transmit tractive force and brake force to car body.Longitudinal force in vehicle operation passes through traction The linear deformation of rubber metal pad 62 is transmitted, and cross force is transmitted by drawing the transversely deforming of rubber metal pad 62, vehicle operation In gyrodaming provided by drawing the deflection compression of rubber metal pad 62.The structure of traction device provided in this embodiment is more Simply, and reliability with higher.

As shown in Fig. 5,7,8,11, braking flap seat 12 can also be set on crossbeam 1, for installing brake clamp 5.Accordingly , as shown in Fig. 9,10 and 11, brake disc 37 is set on axle 31, brake clamp 5 is lower in the braking state to clamp brake disc 37 It is braked.

It is symmetrical arranged two brake discs 37 on a piece axle 31, is correspondingly arranged four braking flap seats 12 on crossbeam 1, connects respectively Connect a brake clamp 5.

Bogie provided by above content can be used as non-powered bogie.

For power truck, motor hanger can be set on crossbeam 1, substitute above-mentioned braking flap seat 12.Motor Flap seat is for assembling driving motor.Driving motor is connected by gear-box with axle 31, is rotated for axle shaft 31.

The present embodiment also provides a kind of implementation of power truck,

The structural schematic diagram of driving motor is provided on the bogie that Figure 13 provides for the embodiment of the present application one,

Figure 14 is the explosive view of the driving motor that the embodiment of the present application one provides and wheel pair, and Figure 15 is the embodiment of the present application One driving motor provided is with wheel to the schematic diagram of assembly.Figure 15 is only schematic diagram, and Figure 15 is only used for showing driving motor and wheel Pair assembly method, the other components for not having direct connection relational with driving motor are simply illustrated.

As shown in FIG. 13 to 15, driving motor 8 is set on axle 31, which is direct driving motor, is directly driven Motor-car axis 31 rotates, and does not use gear-box.Specifically, driving motor includes: motor housing 81, stator 82 and rotor 83.

Wherein, the motor chamber for accommodating stator 82 and rotor 83, the axis of motor housing 81 are equipped in motor housing 81 The aperture being connected to motor chamber is respectively provided with to both ends.Axle 31 is passed through from the aperture of 81 one end of motor housing, and from the other end Aperture be pierced by, be equivalent to motor housing 81 and be set on axle 31.

Stator 82 is fixed on the inner wall of motor housing 81.Rotor 83 is located among stator 82, and rotor 83 is connected with axle 31 To be rotated synchronously with axle 31.Specifically, rotor 83 can be specifically interference fitted with axle 31.

The attachment base 811 for being connected with bogie frame is provided on the outer wall of motor housing 81, attachment base 811 passes through Connecting rod 84 is connected with framework, is specifically connected with crossbeam 1.Motor connecting base 13, one end of connecting rod 84 are set on crossbeam 1 It is hinged that seat 13 is connected to motor, the other end and attachment base 811 are hinged, so that motor connecting base 13 and crossbeam 1 are in a longitudinal direction Relative position keep it is relatively fixed.In vehicle travel process, the vibration of wheel 32 can drive driving motor 8 in vertical direction The upper a small amount of displacement of generation, the displacement can be adjusted by connecting rod 84 hinged with motor housing 81 and crossbeam 1 respectively, be avoided The deformation of connecting rod 84 or fracture.

Bearing is provided between motor housing 81 and axle 31, then motor housing 81 and stator 82 are fixed, rotor 83 Axle 31 is driven to rotate.

It is set to the scheme in 31 outside of wheel for axle box 33, is each provided with an axis in the axial ends of motor housing 81 It holds, the inner ring of the bearing can be interference fit with axle 31, and the outer ring of bearing and motor housing 81 are clearance fit.

It is set to the scheme of 31 inside of wheel for axle box 33, is each provided with an axis in the axial ends of motor housing 81 It holds, the inner ring of the bearing can be interference fit with axle 31, and the outer ring of bearing and motor housing 81 are clearance fit.Alternatively, The present embodiment structure shown in figure 15 can also be used: motor housing 81 can be connected with axle box 33.Such as: motor housing 81 can To be structure as a whole with axle box 33.Alternatively, the axial ends insertion bearing 35 and one of motor housing 81 is between buffering ring 34.Phase When sharing bearing 35 in driving motor 8 and axle box 33, the quantity of bearing 35 is reduced, is conducive to the weight for mitigating wheel pair.Meanwhile one It is that buffering ring 34 is arranged outside motor housing 81, does not influence the gap between motor stator 82 and rotor 83.Meanwhile can also it subtract Slow Wheel Rail Vibration is transmitted to framework.

The output revolving speed of above-mentioned driving motor 8 and the revolving speed of axle 31 are adapted, and without gear-box, be can reduce and are turned To the weight of frame, the vehicle body self weight of rail vehicle is advantageously reduced, drive efficiency is improved.

Axle 31 is directly driven using driving motor 8 to rotate, and be connected with crossbeam 1 by axle box 33, motor housing 81 and Crossbeam 1 is connected to transmit tractive force, driving rail vehicle traveling.During track vehicle driving, pass through control driving electricity Machine 8 inverts, and can brake to axle 31.

Embodiment two

The present embodiment provides a kind of wheels pair, comprising: axle box provided by above content.

Wheel centering provided in this embodiment is equipped with the dress for being assembled with axle in bogie in the cabinet of axle box Distribution, being arranged one in pilot hole is buffering ring, for buffering to the vibration between axle and axle box；In the outer wall of cabinet Equipped with the first mounting base, it is connected for the framework with bogie, passes through single stage suspension and axle box phase with framework in the prior art Mode even is compared, and framework and axle box are connected directly by technical solution provided in this embodiment, is conducive to the volume for reducing framework, Its weight also mitigates therewith, and then reduces the weight of bogie, reaches the light-weighted effect of bogie.

The present embodiment also provides a kind of bogie, including above-mentioned wheel pair, has with wheel to identical technical effect.

The present embodiment also provides a kind of rail vehicle, including above-mentioned bogie, has technical effect identical with bogie.

In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as the limitation to the application.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present application, the meaning of " plurality " is at least two, such as two It is a, three etc., unless otherwise specifically defined.

In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art, The concrete meaning of above-mentioned term in this application can be understood as the case may be.

Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the application range.

Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies Within, then the application is also intended to include these modifications and variations.

Claims (15)

1. a kind of axle box, it is applied on bogie, which is characterized in that the axle box includes:

Cabinet；The pilot hole for being assembled with the axle in bogie is equipped in the cabinet；

One is buffering ring, is arranged in the pilot hole；

For the first mounting base that the framework with bogie is connected, the outer wall of the cabinet is set.

2. axle box according to claim 1, which is characterized in that first mounting base is equipped with the first connecting hole.

3. axle box according to claim 2, which is characterized in that the center line of first connecting hole and the pilot hole Centerline parallel.

4. axle box according to claim 1, which is characterized in that further include:

The second mounting base for being connected with framework, is arranged in the outer wall of the cabinet.

5. axle box according to claim 4, which is characterized in that second mounting base is equipped with the second connecting hole.

6. axle box according to claim 5, which is characterized in that the center line of second connecting hole and the pilot hole Centerline parallel.

7. according to axle box described in claim 4,5 or 6, which is characterized in that the cabinet is cylinder-like structure.

8. axle box according to claim 7, which is characterized in that first mounting base and the second mounting base are located at the case In the same semi-circumference of body.

9. axle box according to claim 1, which is characterized in that described one is that buffering ring includes:

Outer ring；

Inner ring is located in the outer ring；And

Intermediate ring, between the outer ring and inner ring.

10. axle box according to claim 9, which is characterized in that the intermediate ring is rubber ring.

11. axle box according to claim 9 or 10, which is characterized in that further include:

Bearing, being arranged described one is on the inside of buffering ring.

12. axle box according to claim 11, which is characterized in that the bearing is that buffering ring is matched for interference with described one It closes.

13. a kind of wheel pair characterized by comprising such as the described in any item axle boxes of claim 1-12.

14. a kind of bogie characterized by comprising wheel pair as claimed in claim 13.

15. a kind of rail vehicle characterized by comprising bogie as claimed in claim 14.