CN206086746U - Railway freight car bogie and vibration damper thereof - Google Patents

Abstract

The utility model provides a railway freight car bogie and vibration damper thereof, to the bogie of installing the axle head motor, the design through the damping structure has improved the dynamic performance of vehicle, has improved the curve negotiating ability and the operational safety of vehicle. The utility model discloses one side being close to the axle head is equipped with the installing frame of opening towards the axle box, vibration damper is including setting up in the installing frame and along vertical in proper order to the kicking block, rubber pad and the adjusting block that lean on, beyond the kicking block off -axis end a side with the axle box is close to the vertical butt of curb plate of axle head, the adjusting block with the side that is close to the axle head with the vertical butt of inner wall of installing frame. Rationally set up the compression rigidity of rubber pad, empty wagon and reconditioning state can make and under, the axle box can not paste with slide wedge drawing strickle guide or installing frame and lean on, can keep certain degree of freedom for the vehicle has the curve negotiating ability, because the track can be followed to the shaft to be changed, has reduced the wearing and tearing of rim, has improved vehicle operation's security.

Description

A kind of railway goods train bogie and its vibration absorber

Technical field

This utility model is related to railway freight-car technical field, and more particularly to a kind of railway goods train bogie and its vibration damping are filled Put.

Background technology

Railway is carried on the back and unlucky defeated refers to that highway vehicle or highway semitrailer are loaded after goods on origin railway station is voluntarily opened Railroad special, by railway long-distance transportation is completed, and after arriving at railway station, it is special that highway vehicle voluntarily opens lower railway With vehicle and sail for a kind of convenient means of transportation of final destination.Compared with highway transportation, railway carry on the back it is unlucky it is defeated with safety, On time, the advantage such as large conveying quantity, round-the-clock, energy-saving and environmental protection, occupies corresponding proportion in overall transportation system.Wherein, it is described Railroad special be piggyback transport car.

Piggyback transport car of the prior art, generally by the way of one group of two train, at car group two ends system is respectively arranged Dynamic device and coupler and draft gear, car group middle part is connected using articulated couplings；Wherein, the two ends of car group are turned using research To frame, centre adopts framework type bogie.

Generally, it is respectively provided with wedge in the both sides of axle box, although the thrust of vehicle traffic direction can be transmitted, but cannot be played Good damping effect；Or, wedge can be respectively provided with the both sides in axle box and spring directly pushes up vibration-proof structure, can meet The vibration damping demand of general railway freight-car.

But, it is the power demands for meeting transport refrigeration car, need the framework type bogie in the middle of transport vehicle that axle is set End TRT provides power supply.After transport vehicle arranges electromotor in the shaft end of bogie, because motor pulley is produced to wheel shaft Raw radial pull, causes wheel shaft to be drawn close towards the direction of motor so that axle box is contacted with drawing strickle guide；Vehicle by curved section when, Wheel shaft is under excessive radial effect power restriction, it is impossible to radially or radial direction trend, and then causes the wheel shaft cannot accommodation curve The Orbit revolutionary of section, affects traffic safety, and the wheeling edge wearing for also resulting in wheel is serious, aggravates axle box with drawing strickle guide contact site Abrasion.

Therefore, a kind of railway goods train bogie and its vibration absorber how are designed, to meet the ferrum for being provided with shaft end motor The vibration damping demand of road roller bearing adapter stabilizer bar, improves the dynamic performance of vehicle, improves vehicle safety in operation, reduces abrasion, becomes The technical problem of the current urgent need to resolve of those skilled in the art.

Utility model content

The purpose of this utility model is to provide a kind of railway goods train bogie and its vibration absorber, electric for shaft end is provided with The bogie of machine, by the design of vibration-proof structure the dynamic performance of vehicle is improved, and improves the curve negotiation ability of vehicle And safety in operation.

For achieving the above object, this utility model provides a kind of vibration absorber of railway goods train bogie, near axle The side at end be provided be open towards axle box installing frame, the vibration absorber include be arranged on it is described installation inframe and along longitudinal direction according to It is secondary against jacking block, rubber blanket and adjustment block, the jacking block with away from the one side of shaft end and the axle box near shaft end side Plate is longitudinally abutted, and the adjustment block is longitudinally abutted with the one side of close shaft end with the inwall of the installing frame.

Vibration absorber of the present utility model, in the side near shaft end installing frame is provided with, and arranges edge in the installation inframe Longitudinal direction successively against jacking block, rubber blanket and adjustment block, the rubber blanket being installed between jacking block and adjustment block has larger pressure Contracting rigidity, rationally arranges the compression stiffness of rubber blanket, under empty wagons and loaded vehicle state can be caused, axle box will not with wedge drawing strickle guide or Person's installing frame reclines, so that axle box can keep certain degree of freedom；When vehicle passes through curve, wheel shaft can longitudinally incline relatively Tiltedly, and then in the radial variations of wheel shaft, and axle box is relatively free, without abrasion so that vehicle has curve negotiation ability；Also, Because wheel shaft can follow track respective change, the abrasion of wheel rim are reduced, it is to avoid because wheel shaft is caused safety hidden by " locked " Suffer from, improve the safety of vehicle operation.

Meanwhile, jacking block is longitudinally abutted with axle box, and adjustment block is longitudinally abutted with installing frame, so that between axle box and installing frame Realize reliable longitudinally connected, it is ensured that the stability and driving force in vehicle operation is from axle box to installing frame and car body Transfer reliability.

Furthermore, adjustment block can as needed adjust the compression stiffness of rubber blanket, to change the degree of freedom of axle box；Can be with Gap is installed by adjustment block filling, connection reliability is improved.

Alternatively, the F types that the vertical section of the jacking block is oppositely arranged in opening with the installing frame, and with its top Opening frame surrounds installation cavity with the installing frame, and the rubber blanket and the adjustment block are built in the installation intracavity；The top Block is longitudinally abutted with its vertical part with the side plate of the axle box.

Alternatively, the adjustment block includes entering department and the barrier portion being connected with each other, and the entering department stretches into the opening Inframe and rubber blanket longitudinal direction against, the barrier portion barrier in the opening of the opening frame and with the installing frame longitudinal direction Abut.

Alternatively, the installing frame is fixedly connected on the framework bottom of the railway goods train bogie, and compress downwards with Journal box spring in the axle box of its homonymy.

Alternatively, also including wedge damper mechanism, the wedge damper mechanism includes being arranged far from the oblique of shaft end side Wedge and the wedge drawing strickle guide for positioning the wedge, the axle box is not contacted with the wedge drawing strickle guide.

Alternatively, the journal box spring in the axle box of the bottom surface of the wedge and its homonymy compresses cooperation, and be provided with The wearing plate that the axle box is longitudinally abutted away from the side plate of shaft end.

Alternatively, the wedge drawing strickle guide and the installing frame are equipped with and are engaged with the journal box spring that is each connected Spring base.

This utility model also provides a kind of railway goods train bogie, including above-mentioned vibration absorber.

Alternatively, the TRT located at shaft end is also included, the belt of the TRT connects with the axle box of shaft end Connect.

Railway goods train bogie of the present utility model, is provided with the power demands that TRT meets some parts, also passes through The setting of vibration absorber avoids affecting the motion of wheel shaft because of the belt of TRT so that vehicle can smoothly lead in curved section Cross, and improve the safety of vehicle operation.

Description of the drawings

Fig. 1 provides railway goods train bogie axonometric chart in one embodiment by this utility model；

Fig. 2 is the Partial enlarged side view of axle box and vibration absorber in bogie shown in Fig. 1.

In Fig. 1-2：

Axle box 1, journal box spring 11, installing frame 2, jacking block 3, opening frame 31, vertical part 32, rubber blanket 4, adjustment block 5th, entering department 51, barrier portion 52, framework 6, wedge 7, wedge drawing strickle guide 8, wearing plate 9, TRT 10.

Specific embodiment

This utility model provides a kind of railway goods train bogie and its vibration absorber, for being provided with turning for shaft end motor To frame, the dynamic performance of vehicle is improved by the design of vibration-proof structure, improve the curve negotiation ability and fortune of vehicle Row safety.

Below in conjunction with accompanying drawing, this utility model is specifically introduced, so as to this reality of those skilled in the art's accurate understanding With new technical scheme.

For purposes of illustration only, being herein with reference to direction is defined, with parallel to traffic direction with the running status of railway freight-car Direction is longitudinal direction, and in the vertical, the direction in front of traffic direction is front, after being with front opposite direction；Parallel to rail In the plane in road face, the direction being transversely to the machine direction is horizontal；, as vertical, on vertical, point to perpendicular to the direction of orbital plane It is upper away from the direction of orbital plane under the direction of orbital plane is.

It is as herein described it is axial, radially and circumferentially with wheel shaft as reference, i.e., the rotation direction of wheel be it is circumferential, wheel Diametric(al) is for radially, the rotating shaft bearing of trend perpendicular to wheel is axially.

Shaft end specifically described herein refers to that the end of the wheel shaft in railway goods train bogie longitudinal end is turned with three axles To as a example by frame, including three axletrees of longitudinally spaced distributions, then in three axletrees, the axletree in longitudinal two ends constitutes end car Axle, the outer end (i.e. away from one end of intermediate axle) of the two end axletrees is shaft end.

As shown in figure 1, this utility model provides a kind of railway goods train bogie, to be applied to three axles of piggyback transport car As a example by bogie, including framework 6, brake rigging, cartridge composition, three pairs of wheels composition three wheels pair and be respectively provided with In six axle boxes 1 of lateral wheel.Wherein, the both sides in front and back of the bottom of axle box 1 are equipped with two spring load platforms for stretching out, every Journal box spring 11 is mounted on individual spring load platform, for supporting frame 6；By the mechanism, the support force of wheel is transmitted To framework 6, the support to whole car body is realized.Meanwhile, in vehicle operation, journal box spring 11 also acts vibration damping work With to the even running for keeping vehicle.

Really as stated in the Background Art, back of the body technical field of transportation is being carried on the back, when the car with power demands such as transport refrigeration car, Need to arrange TRT 10 in the shaft end of bogie；And the wheel shaft of the belt of TRT 10 and shaft end (wheel shaft is to wheel With the general designation that assembly parts are formed after bearing assembling) it is connected, longitudinal pulling force can be produced to the wheel shaft of shaft end, the pulling force is transferred to axle The axle box 1 at end so that axle box 1 produces the movement tendency near shaft end motion, and then reduces axle box 1 with each part in shaft end side Spacing, increase abrasion, or even limit wheel shaft deflection capacity so that vehicle cannot meet curved section by demand, can also shadow Ring the safe operation of vehicle；Meanwhile, when axle box 1 is moved near shaft end, also the journal box spring 11 in the both sides of axle box 1 can be produced Affect, and then affect damping capacity.

For above-mentioned technical problem, as shown in Fig. 2 the vibration damping that this utility model provides a kind of railway goods train bogie is filled Put, the installing frame 2 being open towards axle box 1 is provided with the side near shaft end, the vibration absorber includes being arranged in the installing frame 2 Jacking block 3, rubber blanket 4 and adjustment block 5, three moves longitudinally against, jacking block 3 to lean on axle box 1 away from the one side of shaft end The side plate of proximal ends is longitudinally abutted, and adjustment block 5 is longitudinally abutted with the one side of close shaft end with the inwall of installing frame 2, the He of jacking block 3 Adjustment block 5 carries out longitudinal clamping and positioning to rubber blanket 4 with both opposite faces, so by the longitudinal direction of rubber blanket 4 be installed in jacking block 3 with Between adjustment block 5.

Because rubber blanket 4 has larger compression stiffness, the compression stiffness of rubber blanket 4 is rationally set, empty wagons can be caused Under loaded vehicle state, axle box 1 will not recline with wedge drawing strickle guide 8 or installing frame 2, so that axle box 1 can keep certain freedom Degree；When vehicle passes through curve, wheel shaft can with respect to fore-and-aft tilt, and then in the radial variations of wheel shaft, and axle box 1 it is relative oneself By without abrasion so that vehicle has curve negotiation ability.Because wheel shaft can follow track respective change, wheel rim is reduced Abrasion, it is to avoid because wheel shaft causes potential safety hazard by " locked ", improve the safety of vehicle operation；Wherein, wheel shaft is by " lock Extremely " refer to, wheel loses relatively longitudinal deflection capacity, only can roll along line slideway and advance.

Meanwhile, jacking block 3 is abutted with the longitudinal direction of axle box 1, and adjustment block 5 is abutted with the longitudinal direction of installing frame 2, so that axle box 1 and installation Realize between frame 2 reliable longitudinally connected, it is ensured that the stability and driving force in vehicle operation is from axle box 1 to installing frame 2 And the transfer reliability of car body.

Furthermore, adjustment block 5 can as needed adjust the compression stiffness of rubber blanket 4, to change the degree of freedom of axle box 1；Also Gap can be installed by the filling of adjustment block 5, improve connection reliability.

In the embodiment shown in Figure 2, jacking block 3 could be arranged to the structure that vertical section is F types, and with the F type structures The opening on top is relative with the opening of installing frame 2；With the opening of F type structure uppers as opening frame 31, then being open frame 31 can be with Installing frame 2 encloses to form an installation cavity, rubber blanket 4 and adjustment block 5 can be built in into the installation intracavity, now, jacking block 3 with Side plate of the vertical part 32 of its F type structure with axle box 1 near shaft end side is longitudinally abutted.

On the one hand, the frame 31 that is open surrounds a relatively closed installation cavity with installing frame 2, can be to rubber blanket 4 and adjustment Block 5 carries out longitudinal and vertical constraint, improves reliability of positioning, the arbitrariness of the deformation of rubber blanket 4 is specifically avoid, to rubber blanket Other directions beyond 4 longitudinal directions have carried out force constraint, are capable of achieving to indulge rubber blanket 4 by arranging the longitudinal size of adjustment block 5 To the regulation of compression stiffness, using simpler reliability.

On the other hand, jacking block 3 is longitudinally abutted with its vertical part 32 with the side plate of axle box 1, forms larger contact surface, the contact Face can be made using high-abrasive material so that during 1 vertical vibration of axle box, and above-mentioned contact surface more can sufficiently absorb vertical shaking It is dynamic, more preferable damping effect is played to vertical vibration；Also, the elastic force pair of rubber blanket 4 increased by the structure setting of jacking block 3 The active area of axle box 1, can improve longitudinal damping effect.

Adjustment block 5 can specifically include the entering department 51 that is connected with each other and barrier portion 52, wherein, entering department 51 and barrier portion 52 can form vertical section substantially turns over the T-type structure after turning 90 degrees, entering department 51 equivalent to the T-type structure vertical part, every Transverse part of the stopper 52 equivalent to the T-type structure；Now, entering department 51 can be stretched in the opening frame 31 of jacking block 3F type structures, with The longitudinal direction of rubber blanket 4 against；The barrier of barrier portion 52 blocks the opening in the opening of opening frame 31, and horizontal with T-type structure The upper and lower ends barrier in portion is longitudinally abutted in the end walls of opening frame 31, the back side of the barrier portion 52 with the inwall of installing frame 2, such as Shown in Fig. 2.

By the structure setting of adjustment block 5, on the one hand rubber blanket 4 can effectively be positioned by entering department 51, and Adjust the longitudinal compression rigidity of rubber blanket 4；On the other hand, jacking block 3 and installing frame 2 can also be limited by barrier portion 52 Position so that both keep in the vertical geo-stationary, and then improve the stability of vehicle operation and the reliability of driving force transmission Property.

Wherein, installing frame 2 can be fixedly connected on the bottom of framework 6 of railway goods train bogie, and compress downwards with it Journal box spring 11 in the axle box 1 of homonymy.Now, installing frame 2 acts on journal box spring 11, can be mutual with journal box spring 11 Coordinate so that framework 6 realizes the elastic connection with axle box 1 by installing frame 2 and journal box spring 11, and then effectively buffers vertical load Lotus, plays Vertical Vibration Reduction effect.

On the basis of the above, vibration absorber of the present utility model can also include wedge damper mechanism, the wedge vibration damping machine Structure is in side of the axle box 1 away from shaft end, including the wedge 7 for being arranged far from shaft end side and for positioning the wedge 7 Wedge drawing strickle guide 8.Specifically, by the compression stiffness for rationally arranging rubber blanket 4, and the relative position of wedge drawing strickle guide 8 and axle box 1 Put, under can causing empty wagons and loaded vehicle state, the component in the vertical of wedge 7 is not result in all the time axle box 1 away from the one of shaft end Side reclines with wedge drawing strickle guide 8 so that axle box 1 is not contacted with wedge drawing strickle guide 8.

In detail, in wedge damper mechanism, the bottom surface of wedge 7 can be supported with the journal box spring 11 in the axle box 1 of its homonymy Press-fit, is also provided with the wearing plate 9 longitudinally abutted away from the side plate of shaft end with axle box 1.Wedge drawing strickle guide 8 can be with railway goods The framework 6 of car bogie is directly connected to, and the fixed structure of similar installing frame 2 can be specifically adopted, directly using modes such as welding It is fixed on the bottom of framework 6；A part for railway freight-car weight is converted into longitudinal direction by the contact with wedge 7 of wedge drawing strickle guide 8 inclined-plane Active force, and axle box 1 is transferred to by wearing plate 9；The thrust of wheel is passed to framework 6 by axle box 1 by the wearing plate 9, So, framework 6 obtains the thrust of wheel traffic direction.

To realize the connection of wedge drawing strickle guide 8 and installing frame 2 and the journal box spring 11 of respective homonymy, both of which can arrange with The spring base that each journal box spring 11 of connection is engaged, to realize being reliably connected, and is provided to journal box spring by spring base 11 application point, improves vibration damping reliability.

In addition, railway goods train bogie of the present utility model, is only illustrated to vibration absorber, other parts refer to Prior art, here is omitted.

There is provided railway goods train bogie to this utility model above and its vibration absorber is described in detail.Herein Apply specific case to be set forth principle of the present utility model and embodiment, the explanation of above example is only intended to Help understands core concept of the present utility model.It should be pointed out that for those skilled in the art, do not taking off On the premise of this utility model principle, some improvement and modification can also be carried out to this utility model, these improve and modify Also fall in this utility model scope of the claims.

Claims (9)

1. a kind of vibration absorber of railway goods train bogie, it is characterised in that be provided with opening towards axle in the side near shaft end The installing frame (2) of case (1), the vibration absorber include being arranged in the installing frame (2) and along longitudinal direction successively against jacking block (3), rubber blanket (4) and adjustment block (5), the jacking block (3) is with away from the close shaft end of the one side of shaft end and the axle box (1) Side plate is longitudinally abutted, and the adjustment block (5) is longitudinally abutted with the one side of close shaft end with the inwall of the installing frame (2).

2. vibration absorber as claimed in claim 1, it is characterised in that the vertical section of the jacking block (3) in opening with it is described The F types that installing frame (2) is oppositely arranged, and installation cavity, the rubber are surrounded with the opening frame (31) on its top and the installing frame (2) Rubber cushion (4) and the adjustment block (5) are built in the installation intracavity；The jacking block (3) is with its vertical part (32) and the axle box (1) Side plate longitudinally abut.

3. vibration absorber as claimed in claim 2, it is characterised in that the adjustment block (5) is including the entering department being connected with each other (51) and barrier portion (52), the entering department (51) is stretched in opening frame (31) with the rubber blanket (4) longitudinal direction against institute State barrier portion (52) barrier longitudinally to abut in the opening of opening frame (31) and with the installing frame (2).

4. vibration absorber as claimed in claim 1, it is characterised in that the installing frame (2) is fixedly connected on the railway goods Framework (6) bottom of car bogie, and the journal box spring (11) in the axle box (1) with its homonymy is compressed downwards.

5. the vibration absorber as described in any one of claim 1-4, it is characterised in that also including wedge damper mechanism, it is described tiltedly Wedge damper mechanism includes being arranged far from the wedge (7) and the wedge drawing strickle guide for positioning the wedge (7) of shaft end side (8), the axle box (1) does not contact with the wedge drawing strickle guide (8).

6. vibration absorber as claimed in claim 5, it is characterised in that the bottom surface of the wedge (7) and the axle of its homonymy Journal box spring (11) in case (1) compresses cooperation, and is provided with the abrasion longitudinally abutted away from the side plate of shaft end with the axle box (1) Plate (9).

7. vibration absorber as claimed in claim 6, it is characterised in that the wedge drawing strickle guide (8) and the installing frame (2) are all provided with There is the spring base being engaged with the journal box spring (11) being each connected.

8. a kind of railway goods train bogie, it is characterised in that including the vibration absorber described in any one of the claims 1-7.

9. railway goods train bogie as claimed in claim 8, it is characterised in that also include the TRT located at shaft end (10), the belt of the TRT (10) is connected with the axle box (1) of shaft end.