CN205930747U - Framework of bogie - Google Patents

Abstract

The utility model discloses a framework of bogie, the framework including two curb girders being parallel to each other and with the crossbeam that the curb girder middle part is connected, the middle part of crossbeam is equipped with draws the pinhole, the upper surface of crossbeam is equipped with a plurality of mount pads that are used for installing secondary suspension. The utility model discloses a framework of bogie is through setting up in the pinhole that draws at crossbeam center, makes the crossbeam through drawing pinhole and truck bloster realization pin junction in order bearing traction force, is equipped with a plurality of mount pads that are used for installing secondary suspension at the upper surface of crossbeam, bears the rotary motion between bogie and the automobile body by secondary suspension, improves the curve negotiating ability of vehicle.

Description

The framework of bogie

Technical field

This utility model is related to the ture technology field of high speed railway car bogie and in particular to a kind of structure of bogie Frame.

Background technology

As a vitals of rail vehicle, its effect is used to vehicle, provides pull strength, subtracts bogie Shake, guiding, power truck also provides for the power driving rail vehicle to advance.

Bogie can be divided into the bogie with bolster and the bogie without bolster, and bogie of the prior art typically wraps Include framework, wheel to several big parts such as, axle boxes, wherein axle box passes through single stage suspension (Primary Suspension, is also called primary Hang) it is connected with framework, framework passes through secondary suspension (Secondary suspension, be also called secondary suspension) with car body even Connect.Suspension arrangement generally comprises support member (such as spring) and damping means (the such as liquid-springing for energy-absorbing of elasticity Device).Figure 15 is the bogie structure schematic diagram of CRH3 series of the prior art, and its framework includes two curb girders, two crossbeams Form with two longeron group welderings, form " H " shape box structure, the " u "-shaped structure that curb girder is welded recessed by steel plate, under curb girder Recessed part is provided with air spring and is connected with car body as secondary suspension part.

The defect of prior art is, during curvilinear motion, the lateral deflection relying solely on air spring comes wheel Realize rotation between car body and bogie and traversing, the side-play amount allowing therebetween less it is impossible to pass through less turn Curved radius.Therefore it is higher to take the vehicle of this bogie that the radius of turn of track is required, thus in the case of increased complicated landform Difficulty of construction and construction cost.

Utility model content

In view of the foregoing defects the prior art has, problem to be solved in the utility model is to provide a kind of bogie Framework, increases the relative rotation angle between car body and bogie, improves the curve negotiation ability of vehicle, improves it and adapts to road conditions Ability.

For solving the above problems, this utility model provides a kind of framework of bogie, including two sides being parallel to each other Beam and with the crossbeam being connected in the middle part of described curb girder, the middle part of described crossbeam is provided with draw pin openings, and the upper surface of described crossbeam is provided with Multiple mounting seats for installing secondary suspension.

Preferably, described framework is H-shaped.

Preferably, the middle concave part of described curb girder becomes the lower concave part for installing bolster.

Preferably, described draw pin openings are provided with resilient sleeve.

Preferably, described secondary suspension include multiple laminated rubber heaps, air spring or helical steel springs and he Combination in any.

Preferably, described bogie also includes brake rigging, described brake rigging includes tread brake list Unit and disc braking unit, being respectively arranged at two ends with of each described curb girder is installed for the disc braking installing dish type brake unit Seat, the inner side of each described curb girder lower concave part is respectively provided with the tread brake mounting seat installing tread braking unit.

Preferably, the outside of the left and right directions of the lower concave part of described curb girder is provided with for installing the anti-of anti-hunting damper holder Hunting Damper mounting seat.

Preferably, the outside of the fore-and-aft direction of the lower concave part of each described curb girder is respectively provided with installation tumbler axle-box Positioning arm seat.

Further, described curb girder is to be welded into closed box by steel plate, including steel plate integrally stamping forming lower cover And upper cover plate, inside is provided with riser, and described curb girder end is formed using steel pipe and the weldering of forging and casting group.

Further, described crossbeam is the box structure being welded by steel plate.

When bogie is for power truck, the both sides of described crossbeam are provided with motor hanger and gear box bracket, described electricity Machine flap seat and gear box bracket are box welding structure.

Preferably, described resilient sleeve is lamination metal rubber structure.

The framework of bogie of the present utility model, by being arranged at the draw pin openings at crossbeam center, makes crossbeam pass through towing pin Hole and bolster realize pin connection to undertake pull strength, are provided with multiple installations for installing secondary suspension in the upper surface of crossbeam Seat, by the spinfunction of secondary suspension, increases vehicle rotating against between car body and bogie when by curve Angle, improves its curve negotiation ability.

Brief description

Fig. 1 is the schematic perspective view of the framework of the bogie of embodiment of the present utility model；

Fig. 2 is the top view of the framework shown in Fig. 1；

Fig. 3 is the B-B direction sectional view of Fig. 2；

Fig. 4 is the front view (in terms of the side of travel direction) of the framework shown in Fig. 1；

Fig. 5 is the schematic perspective view of the bogie applying framework of the present utility model；

Fig. 6 is the front view (in terms of the side of travel direction) of Fig. 5；

Fig. 7 is the top view of Fig. 5；

Fig. 8 is the A-A of Fig. 7 to sectional view；

Fig. 9 is the schematic perspective view of the bolster matching with the framework of the present embodiment；

Figure 10 is the schematic perspective view in another direction of Fig. 9；

Figure 11 is the front view of Fig. 9；

Figure 12 is the top view of Figure 11；

Figure 13 is the left view of Figure 11；

Figure 14 is the schematic perspective view of the bogie of another embodiment applying framework of the present utility model；

Figure 15 is a kind of perspective view of bogie of prior art.

Specific embodiment

With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, but not as to this practicality New restriction.

First have to illustrate, constitute the framework of bogie and bolster is independent part, all can independently produce, Then assembled again, but in order to clearly demonstrate the structure of framework or bolster, in the description of the present application, by bogie Overall structure and its framework of composition and bolster are combined and are introduced, to understand its structure and its operation principle, But this does not imply that the framework in the present embodiment and bolster are inseparable.

Fig. 1 is the schematic perspective view of the framework of the bogie of embodiment of the present utility model；Fig. 2 is the framework shown in Fig. 1 Top view；Fig. 3 is the B-B direction sectional view of Fig. 2；Fig. 4 is the front view (side from travel direction of the framework shown in Fig. 1 See).

Fig. 5 is the schematic perspective view of the bogie applying framework of the present utility model；Fig. 6 is the front view of Fig. 5 (from traveling The side in direction is seen)；Fig. 7 is the top view of Fig. 5；Fig. 8 is the A-A of Fig. 7 to sectional view.

Fig. 9 is the schematic perspective view of the bolster matching with the framework of the present embodiment；Figure 10 is another direction of Fig. 9 Schematic perspective view；Figure 11 is the front view of Fig. 9；Figure 12 is the top view of Figure 11；Figure 13 is the left view of Figure 11.

As Figure 1-Figure 4, the framework 1 of the bogie of an embodiment of the present utility model, described framework 1 is H-shaped, bag Include two curb girders 11 being parallel to each other and the crossbeam 12 being connected with curb girder 11 middle part, the middle concave part of curb girder 11 becomes for installing The lower concave part of bolster, the middle part of crossbeam 12 is provided with draw pin openings 120, and the upper surface of crossbeam 12 is provided with and multiple for installing second is The mounting seat 122 hanging.Preferably, described draw pin openings 120 are provided with resilient sleeve 121.Structure with regard to this framework 1 And its advantage, understood incorporated by reference to using the bogie of this framework 1.It is pointed out that because secondary suspension is adopted The difference of the concrete structure of support member, the peace for installing secondary suspension on the upper surface of crossbeam 12 of framework 1 The quantity of dress position 122, shapes and sizes are also matched.

Refer to Fig. 5-Fig. 8, the bogie of an embodiment of the present utility model, including framework 1 and bolster 2, such as Fig. 1- Shown in Fig. 8, framework 1 is H-shaped, including two curb girders 11 being parallel to each other and the crossbeam 12 being connected with curb girder 11 middle part, curb girder 11 Middle part under be recessed into " u "-shaped, form the lower concave part for installing bolster 2, be provided between the two ends of curb girder 11 and tumbler axle-box 31 Primary suspension, be provided with secondary suspension between the lower section of bolster 2 and crossbeam 12, the top of bolster 2 is provided with and is connected with car body 3rd is suspension.In the present embodiment, primary suspension includes the journal box spring 3 being arranged between tumbler axle-box 31 and framework 1 It is vertical damper 32 with one, wherein journal box spring 3 is Coiled coil steel spring, is placed in the top of tumbler axle-box 31, groups of springs The part first half reaches inside the spring base of curb girder 11 of framework 1, is provided with one piece between spring 3 bottom and tumbler axle-box 31 top Rubber blanket, in order to absorb impact and the dither from rail.One be vertical damper 32 effect be for reduce be derived from steel The vibration of rail, this is general design, repeats no more.Feature of the present utility model is, takes two-stage between car body and framework Hang and connect, that is, the top of bolster 2 is provided with the 3rd being connected with car body is suspension, is provided between the lower section of bolster 2 and crossbeam 12 Secondary suspension, realizes function and separates, and the 3rd is to hang only for undertaking lateral displacement function, and secondary suspension is only used for undertaking Spinfunction, can increase the traversing amount of permission when by curve between car body and bogie for the vehicle and relative rotation angle further Degree, improves curve passing through handling capacity.Wherein secondary suspension is fixedly installed on the lower surface of bolster 2, correspondingly, horizontal The middle part of beam 12 is provided with draw pin openings 120, and the upper surface of the crossbeam 12 of framework 1 is provided with multiple peaces for installing secondary suspension Dress seat 122.In order to realize the structure of the bogie of three-level suspension, correspondingly, under the middle part of curb girder 11 of framework 1, it is recessed into " u "-shaped, The middle part of crossbeam 12 is provided with draw pin openings 120, and the upper surface of crossbeam 12 is provided with multiple pacifies accordingly for installing secondary suspension Dress seat 122.

As shown in Figure 5-Figure 8, in the present embodiment, the 3rd is to hang using air spring 21 as support member, air Spring guarantees that vehicle keeps highly constant, and other in air spring 21 is leveling valve 261.Car body is by four on trailing or leading bogie Individual air spring supports, and its Main Function, in addition to supporting deadlight load, can also be isolated the vibration of bogie frame, and pass through Realized traversing between car body and bogie in curve procedures by displacement.Air spring 21 is ordinary skill in the art means, Will not be described here.

But the 3rd is that the support member of suspension is not limited to air spring 21, in another embodiment shown in Figure 14, To replace air spring 21 using helical steel springs 212 it is clear that helical steel springs 212 are multiple, to be symmetrically dispersed in bolster 2 Two ends.Those skilled in the art can also be used as secondary suspension using the combination of air spring and helical steel springs Support member.Similarly, in the present embodiment, secondary suspension includes multiple laminated rubber heaps 22, wherein laminated rubber heap 22 Can also be replaced using air spring or helical steel springs, or using laminated rubber heap and air spring or helical steel springs Combination in any is replacing.The laminated rubber heap that the secondary suspension of the present embodiment adopts to bear each to power and then by rubber Shock absorbing characteristicses decay part vibration, plays suspension effect.The primarily serving the purpose of of secondary suspension undertakes vehicle when passing through curve Car body and the rotating function of bogie, laminated rubber heap pass through metallic plate and rubber successively structure it is provided that greatly vertical Rigidity and minimum horizontal rigidity, reduce the rigidity rotating between framework 1 and bolster 2, pass through curve beneficial to bogie, greatly simultaneously Vertical stiffness by for bogie provide enough sidewinder rigidity, make the softness factor of bogie meet bogie general requirement. For avoiding unstability after the excessive horizontal displacement of laminated rubber heap, meeting on the premise of vehicle sidewinders performance, reducing lamination as far as possible The horizontal span of rubber metal pad.When vehicle passes through curve, because the radial deformation of laminated rubber heap is larger, can make bolster 2 (and Connected car body) have larger in rotary moving with respect to framework 1, improve curve passing through handling capacity.

For the longitudinal loading between transmission car body and bogie, in the present embodiment, it is provided with Z-shaped between car body and bolster The drawing pull bar 27 of arrangement, is provided with towing pin 23 between bolster 2 and framework 1.As shown in Figure 5-Figure 7, the crossbeam 12 of framework 1 Middle part be provided with draw pin openings 120, corresponding, as Figure 9-Figure 11, the middle part of bolster 2 downside is provided with towing pin 23, Bolster 2 is connected by towing pin 23 with crossbeam 12, and towing pin 23 is arranged with elastic guide 231.Elastic guide 231 is lamination gold Belong to rubber structure.Preferably, resilient pin-and-hole set 121 is wherein set on draw pin openings 120, pin-and-hole set 121 can also Using lamination metal rubber structure.So, it is formed for pin connection between towing pin 23 and draw pin openings 120, and achieve steering The design object of the unlubricated point of frame, can meet little gyro rigidity, little vertical stiffness (axial rigidity), greatly longitudinal and horizontal To rigidity (radial rigidity), reduce on the revolution impact between bogie frame 1 and bolster 2, vertical and horizontal can be provided simultaneously to carry The transmission of lotus.Z-shaped drawing pull bar therein, forms Z-shaped from top view, is located at bolster respectively including two drawing pull bar 27 2 two ends, in order to install drawing pull bar 27, as shown in Fig. 9 and 13, bolster 2 be respectively arranged at two ends with the first mounting seat 271, lead Be pulled one end of bar 27 is respectively arranged in the first mounting seat 271, and the other end of drawing pull bar 27 is provided with rubber nodal point and car body (not shown) connects.So, the pass order of longitudinal force (pull strength or brake force) is：(adhering between wheel track) wheel → car Axle → tumbler axle-box → positioning arm seat → framework → towing pin (the 3rd is suspension) → bolster → drawing pull bar → drawing pull bar Seat → car body → hitch.

As shown in Fig. 9 and 12, the middle part of the side of bolster 2 is provided with horizontal buffer 24, and horizontal buffer 24 is opening shape Shape, two relative backstop sides are respectively equipped with yielding rubber 241.The backstop (not shown) being connected with car body is located at laterally In the opening of buffer 24, and the distance setting with two backstop sides holdings, the effect of horizontal buffer 24 is to limit car Excessive lateral displacement is produced, the lateral displacement between car body and bogie exceedes the distance of setting between body and bogie When, the backstop being connected with car body is contacted with the yielding rubber 241 on the backstop side of horizontal buffer 24, then produces and reversely presses Contracting power, to limit its lateral displacement, yielding rubber is in non-linear characteristic, and rigidity gradually steps up with the increase of amount of deflection.It is subject in car body During to less cross force, spacing and buffering can be provided by horizontal buffer 24.

Additionally, please continue to refer to Fig. 9, the middle part of bolster 2 upside is provided with kingpin hole 29, is arranged at car body for accommodating The rigid pin (not shown) at sleeper beam center.In the centrally disposed rigid pin of car body sleeper beam, it is welded on car body pillow Liang Shang, is inserted in the kingpin hole 29 at bolster 2 center of bogie, in longitudinal and vertical general both when vehicle normally runs Remain certain gap, do not come in contact.Vehicle be subject to larger longitudinal force (during as car to car impact), car body sleeper beam firm Property pin in contact with the kingpin hole 29 on bolster 2, limit vehicle separate with bogie.It is subject to big cross force in vehicle When, after yielding rubber 241 elastic compression of horizontal buffer 24, this rigid pin will be contacted with kingpin hole 29, limit The excessive lateral displacement of vehicle.The intensity of this stop configurations it should meet when vehicle collision, derailing, by 250, In the case of 000 pound of (113397.5kg) impulsive force, this structure does not rupture.

The vibroshock of multiple directions, in order to realize vibration damping purpose, is generally set in suspension, for example, such as Fig. 9-Figure 12 Shown, the side of bolster 2 is relatively set with two lateral dampers 25, and one end of lateral damper 25 is connected with bolster 2, another End is connected with car body (not shown) bottom, and its effect is the oscillation crosswise between decay car body and bogie.Lateral damper 25 are located at the relative both sides of bolster 2 respectively with above-mentioned horizontal yielding rubber stop 24.

Meanwhile, in order to reduce the vibration of vertical direction further, being respectively arranged at two ends with of bolster 2 two is vertical damper 26, two is that vertical damper 26 is arranged at by air spring 21, and relative two is vertical damper, is arranged at bolster to skew symmetry 2 two ends, vertical arrangement, its effect is the vertical vibration between decay car body and bogie.Additionally, in air bag inside air spring 21 Throttle orifice, the flowing by throttle orifice for the air between two chambeies are set and auxiliary chamber between, also can decay between car body and bogie Vertical vibration.

As shown in Fig. 9 and Figure 13, the bogie of the present embodiment also includes anti-hunting damper holder 28, anti-hunting damper holder 28 One end is arranged in the first mounting seat 271, and the other end is connected with the curb girder 11 of framework 1.It is provided between bolster 2 and framework 1 Anti-hunting damper holder 28, prevents the Snakes model in high-speed cruising for the EMUs.The structure of anti-hunting damper holder 28 is high quick-action In the design of car group, commonly used part, will not be described here.

The bogie of the present embodiment also includes brake rigging, described brake rigging include tread braking unit and Disc braking unit, as shown in figure 1, the disc braking being respectively arranged at two ends with for installing dish type brake unit of each curb girder 11 Mounting seat 13, the inner side of each curb girder 11 lower concave part is respectively provided with the tread brake mounting seat installing tread braking unit 14.Tread braking unit and disc braking unit are all brake units commonly used in this field, in the present embodiment, its installation site Different and be configured according to framework 1 structure, further, since adopt disc brake unit and tread braking unit set simultaneously Mode, available Tread brake device improves tacky state between wheel track, and reduces running noises.

When bogie is for power truck, as shown in figure 1, the side in front and back of crossbeam 12 is equipped with motor hanger 18 and gear Case flap seat 17, motor hanger 18 and gear box bracket 17 are box welding structure, have intensity greatly, lightweight advantage.For Mitigate weight, the motor hanger 18 of the present embodiment and gear box bracket 17 are welding structure, in fact, motor hanger 18 and tooth Roller box flap seat 17 can also be using the structure of forging or foundry goods.

For the structure of bolster 2, bolster 2 as the load bearing component in secondary suspension and the 3rd being suspended load transmission, It is integrated with the mounting interface of each parts, from the prior art, bolster has three kinds of frame modes, respectively steel plate welding, whole Preferably, in the present embodiment, bolster 2 adopts the box-structure of steel plate welding for body cast steel structure and monoblock cast aluminium structure, Inside is provided with internal gusset, and bolster 2, after the completion of welding, carries out integrally annealed and processes and overall machining, formed as shown in Figure 8 Inside be hollow box-structure.

With regard to the structure of framework 1, as the basis installing miscellaneous part, as shown in figure 1, for the concave configuration with curb girder Corresponding, the outside of the fore-and-aft direction of the lower concave part of each curb girder 11 is respectively provided with the positioning arm seat installing tumbler axle-box 15.The outside of the left and right directions of curb girder 11 is provided with the anti-hunting damper holder mounting seat 16 for installing anti-hunting damper holder.Please tie Close Fig. 5, one end of anti-hunting damper holder 27 is connected with the anti-hunting damper holder mounting seat 16 on curb girder 11, on the other end and bolster The first mounting seat 271 connect.

Consider, in the present embodiment, curb girder 11 is to be welded into closed box by steel plate for lightweight, including steel plate entirety punching press The lower cover of molding and upper cover plate, inside is provided with riser, and curb girder 11 end is formed using steel pipe and the weldering of forging and casting group；Crossbeam 12 It is the box structure being welded by steel plate.In sectional view shown in Fig. 4, curb girder 11 and crossbeam 12 are hollow-core construction.

Hereinafter the primary suspension in the present embodiment is made additional remarks, as shown in figure 5, in the present embodiment, first is outstanding The axle-box positioning device hung is using the ripe flexibly positioned mode of pivoted arm, one end of tumbler axle-box 31 bearing to structure with wheel 33 connections, the other end is connected with the front side of the lower concave part being arranged at each curb girder 11 and the positioning arm seat 15 of rear side, tumbler shaft The elastic panel nodes of case 31 are the movable joint of fifth wheel pair and framework, and in addition to transmitting the power of all directions and vibrating, axle box must Must ensure wheel to can adapt to line conditions and with respect to framework bob and and left and right traversing.Tumbler axle-box 31 for first is Hang applied mature technology, repeat no more.

With regard to term, in following claims and specific embodiment, according to order from the bottom up, will Suspended structure employed in bogie is referred to as primary suspension successively, secondary suspension and the 3rd is suspension.Additionally, with regard to " the first laminated rubber heap ", " the first air spring ", " the first helical steel springs ", " the second laminated rubber heap " and similar table In stating, " first " therein, " second " are intended merely to distinguish congener difference part.

Additionally, in above-described embodiment, so that framework 1 is as H-shaped as a example illustrate, but those skilled in the art should Solution, framework 1 is not necessarily H-shaped, can be also the shape such as " day " word, " mesh " word, as long as satisfaction include two curb girders and with curb girder in The structure of the crossbeam that portion connects can achieve the purpose of this utility model.In order to reduce overall center of gravity, adapt to hot-short fortune The stable needs of row, in the above-described embodiments, the middle concave part of curb girder becomes the lower concave part for installing described bolster.Actual On, in other application environment, curb girder keeps flat construction, and middle part is not recessed, also enables the structure of three-level suspension, simply bolster And the center of gravity of the vehicle body of top will raise.

Certainly, the above is preferred implementation of the present utility model it is noted that common for the art For technical staff, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improvement It is also considered as protection domain of the present utility model with retouching.

Claims (12)

1. a kind of framework of bogie, including two curb girders being parallel to each other and with the crossbeam being connected in the middle part of described curb girder, it is special Levy and be, the middle part of described crossbeam is provided with draw pin openings, the upper surface of described crossbeam be provided with multiple for installing secondary suspension Mounting seat.

2. the framework of bogie according to claim 1 is it is characterised in that described framework is H-shaped.

3. the framework of bogie according to claim 1 is it is characterised in that the middle concave part of described curb girder becomes for pacifying The lower concave part of dress bolster.

4. the framework of bogie according to claim 1 is it is characterised in that described draw pin openings are provided with resilient sleeve.

5. the framework of the bogie according to any one of Claims 1-4 is it is characterised in that described secondary suspension includes Multiple laminated rubber heaps, air spring or helical steel springs and their combination in any.

6. the framework of the bogie according to any one of Claims 1-4 is it is characterised in that the two ends of each described curb girder It is respectively provided with the disc braking mounting seat installing dish type brake unit, the inner side of each described curb girder lower concave part is respectively equipped with For installing the tread brake mounting seat of tread braking unit.

7. the framework of the bogie according to any one of Claims 1-4 is it is characterised in that the lower concave part of described curb girder The outside of left and right directions is provided with the anti-hunting damper holder mounting seat for installing anti-hunting damper holder.

8. the bogie according to any one of Claims 1-4 framework it is characterised in that each described curb girder recessed The outside of the fore-and-aft direction in portion is respectively provided with the positioning arm seat installing tumbler axle-box.

9. the framework of the bogie according to any one of Claims 1-4 is it is characterised in that described curb girder is to be welded by steel plate It is connected into closed box, including steel plate integrally stamping forming lower cover and upper cover plate, inside is provided with riser, and described curb girder end is adopted Formed with steel pipe and the weldering of forging and casting group.

10. the framework of the bogie according to any one of Claims 1-4 is it is characterised in that described crossbeam is to be welded by steel plate The box structure connecing.

The framework of 11. bogies according to any one of Claims 1-4 is it is characterised in that the both sides of described crossbeam are provided with Motor hanger and gear box bracket, described motor hanger and gear box bracket are box welding structure.

The framework of 12. bogies according to claim 4 is it is characterised in that described resilient sleeve is tied for lamination metal rubber Structure.