CN209700669U - A kind of bolster and bolster bogie - Google Patents

Abstract

The utility model discloses a kind of bolster and bolster bogies.The bolster includes bolster ontology and is vertical stopping seat and bolster vertical plane positioned at the two of bolster both ends；The centre of the bolster ontology is provided with center pin mount；Transverse damper mounting base is arranged at the bottom of the bolster ontology；Described two be that annular mounting base is equipped at the top of vertical stopping seat.The bolster structure of the utility model is simple, easy for installation, is particularly suitable for bolster bogie.

Description

A kind of bolster and bolster bogie

Technical field

The utility model relates to a kind of bolster and bolster bogies, belong to field of track traffic.

Background technique

Tramcar, especially low-floor tramcar are one of main tool of urban track traffic, main feature It is that vehicle floor height is lower than common railcar, facilitates passenger getting on/off, low-floor tramcar bogie is as low-floor The EEF bogie of vehicle is the critical component for realizing vehicle low-floor.

In order to adapt to low-floor tramcar floor low-floor, the method for comparing mainstream instantly is by motor longitudinal direction cloth It sets in bogie two sides or uses independent wheelset motor wheel edge actuation techniques, space is conceded to inside for steering framing wheel, is realized Tramcar bottom floor.However, low-floor tramcar is longitudinally arranged using motor in the outside of framework, this structure is opposite Complexity, cost of parts are higher；In addition, motor is mounted on the motor mount of truck longitudinal sill stretching, stability is poor.In addition it passes The positioning of system one system of tramcar is positioned using cone rubber spring, and framework is that rubber spring is mounted on the axis assembled with wheel by one On cabinet, the stability of structure has the space further promoted.

Motor is longitudinally arranged the method in bogie two sides due to being limited by vehicle two sides limit, inevitable requirement bogie Axle box mode is arranged to inside using wheel, so that truck longitudinal sill is also necessarily placed at wheel to inside so that car body aisle space by Limit, in addition the longitudinally arranged mode structure of motor is complicated with respect to the mode of conventional motors lateral arrangement, and structure is also relatively unstable, It is unfavorable for being runed for a long time equipment.As Chinese invention patent CN104590304 B discloses a kind of low-floor tramcar turn To frame, the setting of bogie primary spring is in wheel between framework, and bogie is not provided with axle box beam, and brake uses reel system It is dynamic.

Independent wheelset motor wheel edge actuation techniques can effectively solve the offering question of the low base surface of tramcar, but phase To conventional bogie structural instability, conventional bogie wheel is weakened to self- steering function, increases derailing risk.

In actual moving process, tramcar usually requires to walk in inner city, one side small curve radius operation Route is more, and operation operating condition is complicated；On the other hand, tramcar is more demanding to the comfort of passenger, how to improve tramcar Suspension adaptability, improve the small curve negotiation ability of tramcar and system damping performance and low-floor tramcar The critical issue and problem for needing to solve.

The utility model is exactly to put forward in this context.

Chinese patent application publication number CN107839710 A discloses the bogie of low-floor tramcar, the bogie Motor using being longitudinally arranged, structure is relative complex, and motor is mounted on the motor mount of truck longitudinal sill stretching, stability compared with Difference, in addition, the patent application is positioned using cone rubber spring, hang adds two systems of rubber hourglass spring using cone rubber spring Suspension, small curve negotiation ability and system damping performance be not high.

Therefore, how the advantage of conventional bogie existing structure is rationally utilized, while can effectively realizes that tramcar is low Floor is the primary study content of the utility model.

Utility model content

The utility model is intended to provide a kind of bolster and bolster bogie, and the bolster structure is simple, easy for installation, especially suitable For bolster bogie, to effectively improve the small curve negotiation ability of tramcar and system damping performance.

To achieve the goals above, the technical scheme adopted by the utility model is

A kind of bolster, is structurally characterized in that, including middle part bolster ontology recessed down and positioned at two systems at bolster both ends Vertical stopping seat, and being connected to two is the bolster vertical plane between vertical stopping seat and bolster ontology；The bolster ontology Centre be provided with center pin mount；Transverse damper mounting base is arranged at the bottom of the bolster ontology；Described two be vertical stop It is equipped with annular mounting base at the top of block seat, is used to that carrying wearing plate be installed in the annular mounting base.

Embodiment according to the present utility model can also make further optimization to the utility model, and the following are after optimization The technical solution of formation:

Preferably, groove is provided on the side wall of the annular mounting base.The setting of groove can be convenient carrying wearing plate Disassembly, groove can be convenient taking-up carrying wearing plate as reserved hatch frame.

Described two be that vertical stopping seat has the height for being higher by secondary spring mounting surface on bolster.

Longitudinal baffle plate, vertical damper mounting base and lifting pull rod upper mounting seat are provided on the bolster.

The bolster is integrally in down zigzag shape.

Based on the same inventive concept, the utility model additionally provides a kind of bolster bogie comprising framework is mounted in structure Bolster on frame, and wheel pair；It is installed architecturally by secondary suspension the end of the bolster.

Preferably, the left and right ends of the framework are respectively provided with an axle box beam, which includes axle box beam body and be located at The axle end of the axle box of axle box beam body front and back end, the wheel pair is mounted in corresponding axle box by axle-box locating set；It is described Axle box beam body is mounted below the stringer of the framework by single stage suspension, which passes through vertical damper and bolster End is connected.

Preferably, the framework includes two stringers in left and right and the crossbeam of front and back two, and two crossbeam parallel intervals are arranged, and two The left and right ends of two crossbeams are arranged in root stringer, and the end of two stringers is stretched out with respect to the crossbeam of front and back two.Further, The stringer middle section is with respect to rear and front end formation recess recessed down, the recess top surface of the stringer and the top surface of crossbeam It is located at approximately the same plane on the whole.

Bolster in order to facilitate the installation of, the stringer middle position have recess, which is equipped with secondary spring Mounting base.

Preferably, it is spring mounting base that the rear and front end of the stringer, which is equipped with one, this one is spring mounting base with respect to front and back two Root crossbeam stretches out.

Preferably, the crossbeam be equipped with motor mount, gear-box Holder for hanging household utensiles, drawing pull bar seat, longitudinal stopping seat and At least one of magnetic rail brake device seat.

Preferably, the motor mount has and the interface convenient for motor lateral arrangement.Cross is installed on the framework To the motor of arrangement.

It is circular arc ladder transition between the longitudinal and cross beam to improve the structural strength of framework.

Preferably, the bottom of the framework is equipped with magnetic rail brake device.

The bogie of the utility model includes framework, fills bolster architecturally, and wheel pair.The left and right two of the framework End is respectively provided with an axle box beam, which includes axle box beam body and semi-enclosed axle box positioned at axle box beam body front and back end, institute The axle end for stating wheel pair is mounted in corresponding semi-enclosed axle box by axle-box locating set；

The axle box beam body is mounted below the stringer of the framework by single stage suspension, which is subtracted by vertical Shake device is connected with the end of bolster, and the end of the bolster is installed architecturally by secondary suspension.

The axle box beam of the utility model is that fingerboard and axle box are integral, and the utility model, which creatively becomes framework, to be shaken The transition structure of pillow and axle box beam, is equivalent to and the function of traditional framework is scatter.The configuration achieves conventional bogies Two systems (primary spring, secondary spring) shock-damping structure is changed into three systems (axle-box locating set, primary spring, secondary spring) damping knot Structure, the structure design structure is well arranged, maintainable more preferable, effectively improves the small curve negotiation ability of tramcar and is System damping performance.

Preferably, the framework includes two stringers in left and right and the crossbeam of front and back two, and two crossbeam parallel intervals are arranged, and two The left and right ends of two crossbeams are arranged in root stringer, and the end of two stringers is stretched out with respect to the crossbeam of front and back two；It is preferred that described Being equipped with one at the top of the rear and front end of stringer is spring mounting base, this one is spring mounting base with respect to the crossbeam stretching of front and back two.

Preferably, the framework is equipped with motor mount, gear-box Holder for hanging household utensiles, drawing pull bar seat, longitudinal stopping seat, two It is at least one of spring mounting base, magnetic rail brake device seat；It is preferred that being equipped with the electricity of lateral arrangement on the motor mount Machine.

The stringer middle section is with respect to rear and front end formation recess recessed down, the recess top surface of the stringer and cross The top surface of beam is located at approximately the same plane on the whole；The recess top surface is equipped with secondary spring mounting base, the end of the bolster Secondary spring by being mounted on the secondary spring mounting base fills architecturally.

Preferably, the axle-box locating set includes interior steel bushing, outer steel sleeve, the elastic rubber between interior steel bushing and outer steel sleeve The axle end of glue, the wheel pair is protruded into and is positioned in the interior steel bushing.

Preferably, the plane that the middle part of the axle box beam is formed relative to two axles is recessed, so that the peace of primary spring Dress face is lower than the plane where axle；Pacify it is preferred that being provided under vertical damper mounting base, lifting pull rod on the outside of the axle box beam Fill seat and transverse damper mounting base.

Preferably, the both ends top surface of the bolster is provided with annular mounting base, and carrying mill is equipped in the annular mounting base Consume plate；It is preferred that it is described annular mounting base two sides open up it is fluted.

Preferably, the middle part of the bolster is recessed down, by being arranged in wheel medial surface between middle part and both ends Outside bolster vertical plane be connected；The centre of the bolster is provided with center pin mount；It is preferred that the two sides of the bolster What end was provided with annular two is vertical stopping seat, and described two be that vertical stopping seat has and is higher by secondary spring mounting surface on bolster Height.

Preferably, be provided on the bolster transverse damper mounting base, longitudinal baffle plate, vertical damper mounting base, Lifting pull rod upper mounting seat.

A kind of tramcar comprising the bogie and car body；The car body passes through the center being arranged on bolster Pin is connect with the bogie.The axle box beam of the utility model is by axle-box locating set and bearing and front and back wheel to connection, motor It is mounted on truck transom, gear-box one end is mounted on axle, and the other end passes through gear-box hanger erection architecturally, bolster Steel spring is installed between framework, car body passes through the connection of the centrepin realization and bogie that are arranged on bolster.

The axle box beam of the connectionless wheel pair of the utility model, primary spring and axle box and takes turns to connection, the utility model Secondary suspension transfers force to framework after acting on bolster again, and the secondary spring directly acts on framework.

A kind of elasticity axle box positioning sleeve built in the truck journal box of the utility model as a result, plays truck journal box The effect of positioning and damping；Circular cone rubber spring is provided between the bogie frame and axle box beam, between framework and bolster It is provided with round steel spring, vertical damper and transverse damper are provided between bolster and axle box beam, is set between bolster and framework It is equipped with longitudinal backstop, the structure and axle-box locating set form the suspension shock mitigation system of bogie together, and the bogie is unique Suspension arrangement, improve the small curve negotiation ability of tramcar and system damping performance.

Compared with prior art, the utility model has the beneficial effects that

1, the motor on the bogie of the utility model is transversely mounted architecturally, and motor uses minor diameter stator knot Structure reduces motor body structure size, adapts to the mounting height requirement of low-floor tramcar floor.

2, a kind of axle-box locating set built in the truck journal box, this axle-box locating set is by interior steel bushing, outer steel sleeve and bullet Property rubber composition, play the role of truck journal box positioning and damping.

3, bogie is provided with axle box beam, and axle box beam is connected by screw bolts by axle box beam body and semiclosed axle box, two side axles The two groups of wheels pair in box beam connection front and back, the basic support construction of composition bogie, this is compact-sized, stablizes, and axle box beam body and Axle box internal bearings are convenient for disassembly and assembly.

4, primary spring mounting base is arranged in two groups of wheels to inside, and axle box beam is recessed with respect to axle plane, so that Primary spring mounting surface is lower than axle plane, primary spring mounting height is advantageously reduced, to reduce the installation of entire car body Highly, the setting of tramcar low-floor is realized.

5, it is provided with circular cone rubber spring between the bogie frame and axle box beam, circle is provided between framework and bolster Steel spring is provided with vertical damper and transverse damper, longitudinal direction is provided between bolster and framework between bolster and axle box beam Backstop, the structure and axle-box locating set form the suspension shock mitigation system of bogie, the unique suspension system of bogie together System arrangement, improves the small curve negotiation ability of tramcar and system damping performance.

6, framework is arranged between axle box beam and bolster, and framework is made of two symmetrical stringers and two crossbeams, and stringer is high Spending opposite beam height has apparent change of gradient, while meeting crossbeam bearing structure intensity, truck longitudinal sill and axle box beam it Between there are appropriate spacing, adapt to the compression travel for being mounted on primary spring between framework and axle box beam, in addition longitudinal and cross beam it Between use round and smooth gradient transition connection type, balance longitudinal and cross beam difference in height bring structure change, be conducive to bogie and hold The stress of transitional region is uniformly distributed during load.

7, the bogie brake is mounted on the mounting seat of brake of motor housing end, and magnetic rail brake device is mounted on The bottom of framework, axle box beam inside, centrepin draws the center for being mounted on bolster, connect by drawing pull bar with framework, institute While stating structure realization component function, the matching requirements of bogie space structure are adapted to, so that bogie structure, which forms one, to be had Machine is whole.

8, the carrying wearing plate on bolster is mounted in the annular mounting base of bolster two sides, and annular mounting base two sides offer Groove, is conducive to the installation and removal for carrying wearing plate, and carrying wearing plate uses special wear-resistant material, not only acts as bearing body The effect of weight, and its service life meets Operational requirements, while having revolution coefficient of friction appropriate, control car body traveling Snakelike beat in the process.

9, the outside of wheel medial surface is arranged in the vertical plane of bolster, so that low-floor car body passes through bogie portion The passageway divided can not be by the constraint of bolster vertical plane, until concordant with wheel medial surface, realization low-floor car body passageway is empty Between maximization.

10, it is vertical stopping seat that bolster two sides, which are provided with annular two, while meeting installation requirement on the inside of secondary spring, tool There is the appropriate height for being higher by secondary spring mounting surface on bolster, when secondary spring compressive deformation exceeds secondary spring compression limit When, annular two is secondary spring mounting base rigid contact on vertical backstop and framework, plays the role of the vertical backstop of secondary spring.

11, compared with CN107839710 A, the motor of the utility model uses minor diameter stator structure, adapts to low-floor While the mounting height of tramcar floor requires, using hang of the conventional mounting on truck transom, structure is more Add stabilization；In addition, the utility model, using axle-box locating set positioning, structure is more compact, stablizes, and hang uses taper rubber The mode that glue spring, round steel spring add axle-box locating to cover, improves the small curve negotiation ability of tramcar and system damping performance.

Detailed description of the invention

Fig. 1 is a kind of just equal side views of bogie of embodiment of the utility model；

Fig. 2 is the framework surveys views such as just in Fig. 1；

Fig. 3 is the bolster surveys views such as just in Fig. 1；

Fig. 4 is bolster partial enlarged view in Fig. 1；

Fig. 5 is the surveys views such as bolster bottom in Fig. 1；

Fig. 6 is the left-hand axis box beam surveys views such as just in Fig. 1；

Fig. 7 is the right-hand axis box beam surveys views such as just in Fig. 1；

Fig. 8 is the top view of Fig. 1；

Fig. 9 is the bottom view of Fig. 1；

Figure 10 be in Fig. 1 take turns to and axle box beam fit structure schematic diagram；

Figure 11 is the structural schematic diagram of axle box positioning sleeve in Figure 10；

Figure 12 is the front view of Fig. 2；

Figure 13 is the top view of Fig. 2.

Specific embodiment

The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure Play restriction effect.

A kind of bolster, as in Figure 3-5, two systems including middle part bolster ontology recessed down and positioned at bolster both ends hang down To stopping seat 23, and being connected to two is the bolster vertical plane 19 between vertical stopping seat 23 and bolster ontology；The bolster 3 Entirety is in zigzag shape.The centre of the bolster ontology is provided with center pin mount 15；Cross is arranged at the bottom of the bolster ontology To damper mounting base 22；Described two be that annular mounting base 21 is equipped at the top of vertical stopping seat 23, is used in the annular mounting base 21 Wearing plate 20 is carried in installation.Groove is provided on the side wall of the annular mounting base 21.

Described two be that vertical stopping seat 23 has the height for being higher by secondary spring mounting surface on bolster 3.It is set on the bolster 3 It is equipped with longitudinal baffle plate 16, vertical damper mounting base 17 and lifting pull rod upper mounting seat 18.

A kind of low-floor tramcar bogie, such as Fig. 1, shown in 10, the bogie is provided with axle box beam 1, axle box beam 1 It is connected by screw bolts by axle box beam body 26 and semiclosed axle box 28, to 33, composition turns to the connection of the two sides axle box beam 1 two groups of wheels in front and back The basic support construction of frame, this is compact-sized, stable, and axle box beam body 24 and semiclosed axle box 28 and internal bearings dismounting side Just, axle box beam 1 is that mounting base 24 carries 4 top quality of primary spring by one, and primary spring mounting base 24 is arranged in two groups of wheels To 33 insides, and axle box beam 1 is recessed with respect to 34 plane of axle, so that 4 mounting surface of primary spring is lower than 34 plane of axle, has Conducive to 4 mounting height of primary spring is reduced, to reduce the mounting height of entire car body, setting for tramcar low-floor is realized It sets.Vertical damper mounting base 27, lifting pull rod lower mounting seat 25 and transverse damper mounting base are additionally provided on the outside of axle box beam 1 24.As shown in Figure 1, such axle box beam 1 is connected to the end of bolster 3 by vertical damper 37 and lifting pull rod 38.

Such as Fig. 2, shown in 12-13, the framework includes that two stringers 7 in left and right and the crossbeam 6 of front and back two, two crossbeams 6 are flat Row interval setting, the left and right ends of two crossbeams are arranged in two stringers 7, and the end of two stringers 7 is with respect to the cross of front and back two Beam 6 stretches out.It is circular arc ladder transition between the stringer 7 and crossbeam 6.7 middle section of stringer is downward with respect to rear and front end It is concavely formed recess, the recess top surface of the stringer 7 and the top surface of crossbeam 6 are located at approximately the same plane on the whole.The stringer 7 Recess top surface be equipped with secondary spring mounting base 10.It is spring mounting base 11 that the rear and front end of the stringer 7, which is equipped with one, this one It is that spring mounting base 11 is stretched out with respect to the crossbeam of front and back two.

As illustrated by figs. 12-13, the crossbeam 6 be equipped with motor mount 8, gear-box Holder for hanging household utensiles 12, drawing pull bar seat 14, Longitudinal stopping seat 13 and magnetic rail brake device seat 9.The motor mount 8 has and the interface convenient for motor lateral arrangement.

As shown in Figure 1, the framework 2 is arranged between axle box beam 1 and bolster 3, framework 2 is by two symmetrical stringers 7 and two A crossbeam 6 forms, and 7 height of stringer has apparent change of gradient with respect to 6 height of crossbeam, meets the same of 6 bearing structure intensity of crossbeam When, there are appropriate spacing between truck longitudinal sill 7 and axle box beam 1, adaptation is mounted on primary spring 4 between framework 2 and axle box beam 1 In addition compression travel uses round and smooth gradient transition connection type between stringer 7 and crossbeam 6, balance stringer 7 and 6 difference in height of crossbeam Bring structure change, the stress for being conducive to transitional region in bogie load bearing process are uniformly distributed.It is additionally provided on framework 2 each It is spring installation that type mounting base, which includes: motor mount 8, gear-box Holder for hanging household utensiles 12, drawing pull bar seat 14, longitudinal stopping seat 13, two, Seat 10, magnetic rail brake device seat 9, one are spring mounting base 11.

As shown in Figures 3 and 4, the bolster 3 is arranged between car body and bogie, and the carrying wearing plate 20 on bolster 3 is pacified In the annular mounting base 21 of 3 two sides of bolster, annular 21 two sides of mounting base open up fluted, are conducive to carry wearing plate 20 Installation and removal, carrying wearing plate 20 use special wear-resistant material, not only act as the effect of bearing body weight, and it is used Service life meets Operational requirements, while having revolution coefficient of friction appropriate, controls the snakelike beat in car body driving process.Bolster The outside of wheel medial surface is arranged in vertical plane 19, so that the passageway that low-floor car body passes through bogie portion can not By the constraint of bolster vertical plane 19, until, the maximization of realization low-floor car body aisle space concordant with wheel medial surface.

As shown in Figure 3 and Figure 5, pin mount 15 structure in center is provided among bolster 3, when car body and bogie assemble, The centre of pull seat assembly of vehicle body upper portion is punctured into inside 15 hole of center pin mount of bolster, to realize that bogie motor is led Gravitation and brake force are transmitted to car body.It is vertical stopping seat 23 that 3 two sides of bolster, which are provided with annular two, meets 5 inside of secondary spring While installation requirement, there is the appropriate height for being higher by 5 mounting surface of secondary spring on bolster 3, when 5 compressive deformation of secondary spring is super Out when compression limit, annular two is vertical backstop 23 and 10 rigid contact of secondary spring mounting base on framework 2, plays secondary spring The effect of vertical backstop.As shown in figure 3, being additionally provided with transverse damper mounting base 22, longitudinal baffle plate 16, vertical on bolster 3 Damper mounting base 17, lifting pull rod upper mounting seat 18.

Together with axle box beam is bolted with axle box, so that before axle box beam is realized while realizing axle box structure Integrated design of the rear-wheel to 33, this structure is more stable, reliable, simultaneously because axle-box locating be cased with a certain amount of transverse direction and Radial deflection ability, so that bogie curve negotiation ability can't weaken.

A kind of low-floor tramcar, including car body and bogie, car body pass through the centrepin being arranged on bolster and realize With the connection of bogie.Motor on the bogie is transversely mounted on framework 2, and motor uses minor diameter stator structure, is subtracted Small machine main structure size adapts to the mounting height requirement of low-floor tramcar floor.Built in the truck journal box A kind of axle-box locating set, as shown in figure 11, this axle-box locating set 35 is by interior steel bushing 351, outer steel sleeve 353 and elastic rubber 352 Composition plays the role of truck journal box positioning and damping, is different from traditional axle-box locating mode, so that front and back wheel is formed to 33 Stationary positioned, structure is more compact, stablizes.

It is provided with circular cone rubber spring between the bogie frame 2 and axle box beam 1, is provided between framework 2 and bolster Round steel spring is provided with vertical damper 37 and transverse damper 31, sets between bolster and framework 2 between bolster and axle box beam 1 It is equipped with longitudinal backstop, the structure and axle-box locating set form the suspension shock mitigation system of bogie together, and the bogie is unique Suspension arrangement, improve the small curve negotiation ability of tramcar and system damping performance.As shown in FIG. 8 and 9, turn Be mounted on to frame brake 36 on the mounting seat of brake of motor housing end, magnetic rail brake device 30 be mounted on framework 2 bottom, The inside of axle box beam 1, centrepin draw the center for being mounted on bolster, are connect by drawing pull bar 32 with framework 2, and the structure is real While existing component function, the matching requirements of bogie space structure are adapted to, so that bogie structure forms an organic whole.

The technological difficulties of the utility model are: conventional bogie bearing rigidity is mounted between axle 34 and axle box, Bogie realizes positioning by the structures such as primary spring and axlebox rod, pivoted arm, and the utility model proposes determine bogie primary Bit architecture outside axle box by moving to inside axle box, and axle-box locating set inside is provided with rubber spring, so that wheel is to 33 in transverse direction There is a certain amount of displacement with radial, this structure not only has damping effect, reduces the wheel-rail contact force of wheel and track, subtracts Few wheel wear, while meeting wheel when bogie running part crosses bend to transverse momentum needed for 33, meet bogie curve Handling capacity.The system positioning realized inside axle box is covered by axle-box locating.

The present embodiment realizes two system of conventional bogie (primary spring, secondary spring) shock-damping structure and is changed into three system's (axis Case positioning sleeve, one be rubber spring, two be steel spring) shock-damping structure, the structure design structure is well arranged, it is maintainable more It is good.Axle box beam is connected by axle-box locating set and bearing and front and back wheel to 33, and motor is mounted on truck transom, gear-box one end It is mounted on axle 34, the other end architecturally, is equipped with steel spring by gear-box hanger erection between bolster and framework.

The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model, Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.

Claims (10)

1. a kind of bolster, which is characterized in that including middle part bolster ontology recessed down and positioned at the two of bolster both ends be vertical Stopping seat (23), and being connected to two is the bolster vertical plane (19) between vertical stopping seat (23) and bolster ontology；

The centre of the bolster ontology is provided with center pin mount (15)；

Transverse damper mounting base (22) are arranged at the bottom of the bolster ontology；

Described two be that annular mounting base (21) is equipped at the top of vertical stopping seat (23), is held in the annular mounting base (21) for installing It carries wearing plate (20).

2. bolster according to claim 1, which is characterized in that be provided with groove on the side wall of the annular mounting base (21).

3. bolster according to claim 1, which is characterized in that described two be vertical stopping seat (23) have be higher by bolster (3) height of secondary spring mounting surface on.

4. bolster according to any one of claim 1-3, which is characterized in that be provided with longitudinal stop on the bolster (3) Baffle (16), vertical damper mounting base (17) and lifting pull rod upper mounting seat (18).

5. bolster according to any one of claim 1-3, which is characterized in that the bolster (3) is integrally in zigzag shape.

6. a kind of bolster bogie, including framework (2), the bolster (3) on framework (2), and wheel is to (33)；Its feature exists In the bolster (3) is bolster of any of claims 1-5, and the end of bolster (3) is mounted on by secondary suspension On framework (2).

7. bolster bogie according to claim 6, which is characterized in that the left and right ends of the framework (2) are respectively provided with one Root axle box beam (1), the axle box beam (1) include axle box beam body (26) and the axle box (28) for being located at axle box beam body (26) front and back end, institute Wheel is stated to be mounted in corresponding axle box (28) axle end of (33) by axle-box locating set (35)；The axle box beam body (26) It is mounted on by single stage suspension below the stringer (7) of the framework, which passes through vertical damper (37) and bolster (3) End be connected.

8. bolster bogie according to claim 6, which is characterized in that the framework (2) includes two stringers (7) in left and right With the crossbeam (6) of front and back two, two crossbeam (6) parallel interval settings, the left and right two of two crossbeams is arranged in two stringers (7) End, and the end of two stringers is stretched out with respect to the crossbeam of front and back two.

9. bolster bogie according to claim 8, which is characterized in that the stringer middle position has recess, should Recess top surface is equipped with secondary spring mounting base.

10. bolster bogie according to claim 8, which is characterized in that the rear and front end of the stringer (7) is equipped with one It is spring mounting base (11), one to be spring mounting base (11) stretch out with respect to the crossbeams of front and back two for this.