CN105923006A - Swing bolster structure of bogie of low-floor railway vehicle and bogie - Google Patents
Swing bolster structure of bogie of low-floor railway vehicle and bogie Download PDFInfo
- Publication number
- CN105923006A CN105923006A CN201610344569.9A CN201610344569A CN105923006A CN 105923006 A CN105923006 A CN 105923006A CN 201610344569 A CN201610344569 A CN 201610344569A CN 105923006 A CN105923006 A CN 105923006A
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- Prior art keywords
- bolster
- pull bar
- drawing pull
- bogie
- low
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a swing bolster structure of a bogie of a low-floor railway vehicle and the bogie. The swing bolster structure of the bogie of the low-floor railway vehicle comprises a swing bogie. A plurality of pulling rod installation connectors which are connected with pulling rods are arranged on one side of the swing bolster. A stretching-out part stretches out downwards from the central position of the lower surface of the swing bolster. The swing bolster is connected with a vehicle body through a swing mechanism. The swing bolster structure of the bogie of the low-floor railway vehicle and the bogie are simple and compact in overall structure; and in addition, the overall structural strength of the swing bolster can be improved, and the overall bearing capacity of the swing bolster is also improved. Meanwhile, the swing bolster is connected with the vehicle body through the swing mechanism, so that the small-curve passage capacity of the bogie is greatly improved; and in addition, by the adoption of the swing bolster structure, the height of a floor can be reduced easily, and accordingly people can get on and get off the vehicle easily.
Description
Technical field
The present invention relates to a kind of low-floor rail vehicle bogie, relate to a kind of at low-floor articulated track vehicle simultaneously
The bolster structure installed on, belongs to rail vehicle manufacturing technology field.
Background technology
Low-floor urban rail vehicle plays the most important effect in a lot of urban transportations, and at low-floor urban rail car
In, bogie is as most important structure member, and its structure and parameters directly determine the steady of vehicle operation
Comfortableness that is qualitative and that take.The bogie of existing Low-floor urban rail vehicle generally have little curve negotiation ability poor,
Floor is higher is difficult to the problem such as setting and traction apparatus heaviness of getting on or off the bus.Along with the continuous progress of city rail vehicle, right
The requirement of city rail vehicle is more and more higher, it is therefore desirable to provides one can reduce floor and is beneficial to setting of getting on or off the bus, and
And simple and compact for structure, curve negotiation ability is strong, lightweight, improve run vehicle performance low-floor radial type rail
Road Vehicular turn frame hanging device.
In low-floor articulated track vehicle, general employing bolster will be carried out between car body and the framework of bogie even
Connecing, bolster is primarily subjected to and transmits vertical force, cross force and longitudinal force, the bolster master of existing Low-floor urban rail vehicle
If by the box structure of the Plate Weldings such as upper cover plate, lower cover, side plate and various bearings, structure all compares
Complexity, is susceptible to the phenomenon of deformation and fatigue fracture, and meanwhile, bolster is installed in the top of whole framework, phase
Raise the height of floor over the ground, be unfavorable for setting of getting on or off the bus.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that a kind of simple and compact for structure, curve negotiating
Ability is strong, and can reduce the low-floor rail vehicle truck bolster structure of height of floor from rail top, provides one peace simultaneously
Bogie equipped with this bolster structure.
For achieving the above object, the technical scheme is that
A kind of low-floor rail vehicle truck bolster structure, including bolster, be provided with in the side of described bolster with
Multiple first drawing pull bar mounting interfaces that drawing pull bar connects, downward in the center of the lower surface of described bolster
Stretching out an extension, described bolster is connected with car body by slew gear.
Further, described bolster, the first drawing pull bar mounting interface, extension are integrated cast structure.
Further, the opposite side relative with described first drawing pull bar mounting interface at described bolster is provided with laterally
Vibroshock and vertical damper, the other end of described lateral damper and vertical damper is connected with framework.
Further, the side at described bolster extended has a vibroshock mounting seat down along vertical, described laterally subtracts
Shake device and vertical damper is fixedly mounted in vibroshock mounting seat.
Further, described first drawing pull bar mounting interface is the structure of split, in two parts of split respectively
It is provided with semicircular opening and after fastening, collectively constitutes first installation for installing drawing pull bar end of circle
Mouthful, two parts are bolted to connection.
Further, the lower surface of described bolster is provided with lift, the bottom of described lift and framework
Connect.
Further, described lift is two lifting bars, and two described lifting bars are symmetricly set on along cross-car
The both sides of extension below bolster, have fixing port needing to install on the bolster lower surface of lifting bar, lifting bar
Top is fixed in fixing port.
Further, described slew gear includes that slewing bearing and car body connect seat, and described slewing bearing is solid
Dingan County is contained on bolster, and described car body connects the top of seat and is fixed on car body, and bottom is fixed on described revolving support
In bearing, being provided centrally with for the oiling machine for described slewing bearing oiling at described slewing bearing
Structure.
Further, described bolster is provided with one or more cavity, in described cavity, is provided with osculum.
Another technical scheme of the present invention is:
A kind of bogie, is provided with bolster structure as above.
To sum up content, a kind of low-floor rail vehicle truck bolster structure of the present invention and bogie, not only
Overall structure is the compactest, and can improve the overall construction intensity of bolster, improves its integrated carrying ability.With
Time, it is connected by slew gear between bolster with car body, drastically increases the little curve negotiation ability of bogie,
And this bolster structure also helps the height reducing floor, and then it is beneficial to setting of getting on or off the bus.
Fig. 1 is bogie structure schematic diagram of the present invention；
Fig. 2 is frame construction schematic diagram of the present invention；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the A-A sectional view of Fig. 3；
Fig. 5 is the B-B sectional view of Fig. 3；
Fig. 6 is the C-C sectional view of Fig. 3；
Fig. 7 is the D direction view of Fig. 3；
Fig. 8 is damper structure schematic diagram of the present invention；
Fig. 9 is drawing pull bar structural representation of the present invention；
Figure 10 is the top view of Fig. 9；
Figure 11 is that bolster of the present invention forms structural representation；
Figure 12 is the top view of bolster of the present invention composition structure；
Figure 13 is the F direction view of Figure 12；
Figure 14 is the G-G sectional view of Figure 12；
Figure 15 is the structural representation that bolster of the present invention is connected with car body；
Figure 16 is oil nozzle mounting seat structural representation of the present invention；
Figure 17 is the top view of Figure 16；
Figure 18 is the present invention horizontal stop configurations schematic diagram；
Figure 19 is lifting bar structural representation of the present invention；
Figure 20 is that secondary spring of the present invention forms mounting structure schematic diagram；
Figure 21 is that secondary spring of the present invention forms structural representation；
Figure 22 is dust cover structure schematic diagram of the present invention.
As shown in Fig. 1 to Figure 22, bogie 1, framework 2, hangs traction apparatus 3, takes turns 4, wheel 5, bolster group
One-tenth 6, drawing pull bar composition 7, secondary spring composition 8, lateral damper 9, vertical damper 10, bolster 11, the
One drawing pull bar mounting interface 12, containing cavity 13, slewing bearing 14, bolt 15, drawing pull bar 16, pull bar
16a, ball pivot 16b, connect seat 16c, the first installing port 17, bolt 18, and car body connects seat 19, by mouth 20, interior
Circle bolt 21, outer ring bolt 22, underframe 23, annular boss 24, annular erecting bed 25, oil filling mechanism 26, oiling
Mouth 27, oil fuel tube 28, oil nozzle mounting seat 29, vertical receiving chamber 30, block 31, first laterally contains chamber 32, pricks
Band 33, cavity 34, discharge outlet 35, the first reinforcement 36, vibroshock mounting seat 37, bolt hole 38, second installs
Mouth 39, straight-through type pipe joint 40, installing plate 41, longitudinal stopper section 42, bolt 43, extension 45, opening 46,
Laterally backstop 47, wearing layer 47a, rubber layer 47b, the first base plate 47c, the second base plate 47d, the 3rd base plate 47e,
Internal thread hole 47f, bolt 48, adjust pad 49, installing hole 50, lifting bar 51, fixing port 52, backing plate 53, prevent
Pine backing plate 54, mounting blocks 55, bolt 56, spline plane 57, sealing ring 58, lifting opening 59, bayonet socket 60, only
Stopper 61, locating piece 62, nut 63, sealing ring 64, fovea superior part 65, upper padding plate 66, upper strata metallic plate 66a,
Lower metal plate 66b, rubber layer 66c, centre bore 66d, upper spring positioning convex 66e, lower bolster 67, positioning seat
67a, lower spring positioning convex 67b, interior spring adjusting pad 67c, outer spring adjusting pad 67d, interior spring 68, outer spring 69, the
One mounting groove 70, installation portion 71, the second mounting groove 72, protective cover 73, vertical backstop 74, rubber 74a, base plate 74b,
Baffle plate 74c, adjustment plate 74d, bolt 75, protruding 76, center crossbeam 77, pin-and-hole 78, alignment pin 79, curb girder
80, mounting rail 81, end carriage 82, cannelure 83, the second drawing pull bar mounting interface 84, bolt 85, bolt 86,
Vibroshock body 87, head rod 88, the second connecting rod 89, bolt 90, oscillating bearing 91, connecting shaft 92,
Dust cover 93, opening 94, opening 95, band 96, pouring orifice 97, second laterally contains chamber 98, vertical damper
Fixing seat 99, lateral damper fixes seat 100, slew gear 101, lamina tecti 102, groove 103, nut 104,
Connecting rod 105.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of low-floor rail vehicle bogie, it is arranged on low-floor articulated track vehicle, should
Rail vehicle includes more piece compartment, every two save compartments junctions below install bogie 1, two joint compartments respectively with
This bogie 1 is connected by slew gear 101.
Bogie 1 include framework 2, hang traction apparatus 3, wheel to 4, drive motor (not shown), brake
Deng, drive motor use four and drive four wheels 5 respectively, four driving motors and brake fixedly mount respectively
On the mounting rail 81 of framework 2 both sides, drive motor and brake to be arranged on the outside of wheel 5, be arranged so as to favourable
In the height reducing floor.
As in figure 2 it is shown, framework 2 includes 80, two end carriages 82 of two curb girders, arrange one in the centre of two curb girders 80
Individual center crossbeam 77, the longitudinal direction of two end carriage 82 centrally disposed crossbeams of Parallel Symmetric 77 (refers to length over ends of body side
To) on both sides, 80, two end carriages 82 of two curb girders and center crossbeam 77 form the frame structure of day font.
Outside on horizontal (the referring to width of the carbody direction) of two curb girders 80 is separately provided for installing and drives motor
And the mounting rail 81 of brake, center crossbeam 77 uses the structure of integrally casting molding, the two ends weldering of center crossbeam 77
It is connected on the web of two curb girders 80.
As shown in Figures 3 to 5, hang traction apparatus 3 and include bolster composition 6, drawing pull bar composition 7, primary spring group
Become (not shown), secondary spring composition 8, lateral damper 9 and vertical damper 10 etc..Bolster composition 6 Hes
Drawing pull bar composition 7 is two groups, and the structure of two groups of bolster compositions 6 is identical, is separately mounted to often to organize wheel in 4
The centre of two wheels 5, two groups of bolster compositions 6 are distinguished with the car body (not shown)s in adjacent two joint compartments
Connected by slew gear 101, drastically increase the little curve negotiation ability of vehicle, and can be greatly reduced ground
Plate face height, is beneficial to setting of getting on or off the bus, and vehicle drive performance also obtains bigger raising, is also beneficial to reduce wheel and rail
The abrasion in road, can reduce the configuration quantity of bogie 1 in vehicle marshalling simultaneously, saves vehicle manufacture, repair and maintenance
Cost.
Often group bolster composition 6 is all connected with framework 2 by one group of drawing pull bar composition 7, often the lower section of group bolster composition 6
And two groups of secondary springs composition 8 is set between the end carriage 82 of framework 2, often organize bolster composition 6 towards outside framework 2
Side one lateral damper 9 and two vertical dampers 10 are installed, two vertical dampers 10 are arranged on laterally
Both sides on the cross-car direction of vibroshock 9, include four vertical dampers 10 and two altogether in each bogie 1
Lateral damper 9, in order to oscillation crosswise and the vertical vibration of car body of decaying, improves the comfortableness taken.
As shown in Fig. 3,4,5, often group bolster composition 6 is respectively by the center of one group of drawing pull bar composition 7 with framework 2
Crossbeam 77 connects, and two groups of drawing pull bar compositions 7 are arranged on the centre of two curb girders 80 and set up separately at the two of center crossbeam 77
Side, often group drawing pull bar composition 7 includes one or more drawing pull bar 16, and the most often group bolster composition 6 is all by one
Or many drawing pull bar 16 are connected with the center crossbeam 77 of framework 2, one end of drawing pull bar 16 is connected with bolster composition 6,
The other end is then connected with the center crossbeam 77 of framework 2.Two groups of bolster compositions 6 and two groups of drawing pull bar form 7 cloth and postpone whole
Body is the structure of flat, can reduce the height on floor further.
In the present embodiment, the most often group drawing pull bar composition 7 includes two drawing pull bar 16, the most often group bolster composition 6
All be connected with the center crossbeam 77 of framework 2 by two drawing pull bar 16, two drawing pull bar 16 arranged in parallel
Between two curb girders 80 of framework 2.Two groups of bolster compositions 6 are horizontal with the center of framework 2 by two drawing pull bar 16 respectively
Beam 77 connects, and when vehicle run traction and the transmission of brake force not only can be better achieved, carry vertical, horizontal,
Longitudinal loading, and the end of every drawing pull bar 16 is all connected directly between on the center crossbeam 77 of framework 2, makes two groups
Bolster composition 6 and two groups of drawing pull bar compositions 7 do not affect mutually, and a bolster composition 6 does not interferes with when lengthwise movement
To the lengthwise movement of another bolster composition 6, the vibratory impulse in a compartment is also not transferred to another compartment, real
Decoupling between existing two adjacent car bodies, can improve the comfortableness and reliability of operation taken.It addition, every group
Bolster composition 6 is connected with the center crossbeam 77 of framework 2 by two parallel drawing pull bar 16, it is also possible to utilize two
Parallel drawing pull bar 16 plays the effect of anti-side rolling torsion rod, makes vehicle run more steady, and simplifies and turn to
The structure of frame.
As shown in Figure 9 and Figure 10, the structure of drawing pull bar 16 includes the pull bar 16a and the ball pivot 16b at both ends of centre,
Two ends of pull bar 16a all take the shape of the letter U structure, two ball pivot 16b be inserted into respectively in U-shaped structure by securing member with
Pull bar 16a is fixing to be connected.Ball pivot 16b is made up of the ball pivot axle at center and the ball pivot set of outer layer, ball pivot axle and ball pivot set
By the hinged cooperation of sphere curved surface, ball pivot set is connected with pull bar 16a.On two ball pivot axles of each ball pivot 16b respectively
Installing one and connect seat 16c, two connect seat 16c and are symmetricly set on the both sides of this end ball pivot 16b, connect seat 16c and are
Cylinder, its center has installing hole (not indicating in figure), coordinates fixing with the ball pivot axle of ball pivot 16b.
As shown in Fig. 5, Figure 11 to Figure 14, often group bolster composition 6 includes that a bolster 11, bolster 11 entirety are one
Polygonal structure, bolster 11 uses one piece casting structure, not only can ensure that its bulk strength and rigidity, it is to avoid
The welding stress that Welding Structure produces, is greatly improved the bearing capacity of bolster 11, it is also possible to reduce the thickness of bolster 11
And weight, it is beneficial to reduce the height of floor, is the most also beneficial to vehicle and realizes lightweight.At bolster 11 towards center
The side of crossbeam 77 is provided with the first drawing pull bar mounting interface 12 being connected with drawing pull bar 16, the first drawing pull bar
Mounting interface 12 and bolster 11 integrally casting molding.
Depending on the quantity of the first drawing pull bar mounting interface 12 quantity according to required drawing pull bar 16 to be mounted, this
In embodiment, two drawing pull bar 16 are installed in the side of each bolster 11, and the end of each drawing pull bar 16 needs two
Individual first drawing pull bar mounting interface 12, in order to two connection seat 16c of fixed traction pull bar 16 end, the most each
The side of bolster 11 arranges four the first drawing pull bar mounting interfaces 12, four the first drawing pull bar mounting interfaces 12 in
In-line is disposed side by side on the side of bolster 11, middle two the first drawing pull bar mounting interfaces 12 be closely packed together or
It is structure as a whole.The upper surface of four the first drawing pull bar mounting interfaces 12 is respectively provided with a reclinate curved portions
Point, it is beneficial to the overall setting height(from bottom) reducing drawing pull bar composition 7, and then is beneficial to reduce the height of floor.
Each first drawing pull bar mounting interface 12 has for accommodating drawing pull bar 16 end connection seat 16c's
Circular first installing port 17, the ball pivot 16b of drawing pull bar 16 end be positioned at two the first drawing pull bar mounting interfaces 12 it
Between, the both sides of each first drawing pull bar mounting interface 12 arrange four for the bolt hole (figure fixing bolt 18
Not shown in).
Dismount for convenience, in the present embodiment, four the first drawing pull bar mounting interfaces 12 are disposed as split
Structure, is i.e. divided into upper and lower two parts, is respectively arranged with semicircular opening in upper and lower two parts,
Collectively constitute the first installing port 17 of circle after fastening, upper and lower two parts are correspondingly arranged on fixing bolt 18
Bolt hole, upper and lower two parts of the first drawing pull bar mounting interface 12 after fastening by drawing pull bar 16 end
Connection seat 16c be tightly fixed in the first installing port 17, finally with four bolts 18, upper and lower two parts are fixed
Realize the fixed installation of drawing pull bar 16 together.Wherein, the top half of the first drawing pull bar mounting interface 12 with
Bolster 11 is integrally machined molding, and the latter half is separately installed；Can also be by the first drawing pull bar mounting interface 12 times
Half part is integrally machined molding with bolster 11, and top half is separately installed.As shown in Figure 9 and Figure 10, for convenience with
First drawing pull bar mounting interface 12 is fixed, and is provided with a pin-and-hole 78, such as figure on the excircle of each connection seat 16c
Shown in 5, correspondingly in the upper part or lower part of the first drawing pull bar mounting interface 12, it is also provided with a pin-and-hole, installs
Time connect seat 16c pin-and-hole 78 in installation one alignment pin 79, with the first drawing pull bar mounting interface 12 on pin-and-hole join
Close, make drawing pull bar 16 accurately to install, and installation effectiveness can be improved.
As shown in Figure 11, Figure 12 and Figure 13, in the present embodiment, in order to strengthen the first drawing pull bar mounting interface 12
Fixing intensity, makes drawing pull bar 16 to fixedly secure, being arranged above of the first drawing pull bar mounting interface 12
One piece of installing plate 41, two bolts 18 that each two is disposed adjacent are correspondingly arranged one piece of installing plate 41.Installing plate 41 in
Step-like structure, is provided with two bolts hole on subordinate's step, in order to be fixed on by installing plate 41 through bolt 43
On first drawing pull bar mounting interface 12, being provided with two bolts hole (not indicating in figure) on higher level's step, these are two years old
Individual bolt hole is the most corresponding through with the bolt hole on the first drawing pull bar mounting interface 12 of lower section, and bolt 18 is simultaneously
Through the bolt hole on the bolt hole on the first drawing pull bar mounting interface 12 and the higher level's step on installing plate 41 by
Two parts up and down of one drawing pull bar mounting interface 12 are fixed together.
As shown in Fig. 6, Figure 11 to Figure 15, slew gear 101 includes that slewing bearing 14 and car body connect seat 19,
There is at the center of bolster 11 upper surface the containing cavity 13 of downward indent, slewing bearing is installed in containing cavity 13
14, the border of slewing bearing 14 is connected by multiple bolts 15 are fixing with bolster 11, and containing cavity 13 i.e. can be protected
Protect slewing bearing 14, the bearing capacity of slewing bearing 14 can be improved again.Arrange a circle on bolster 11 to pass through
The bolt hole 38 worn, bolt hole 38 is counter sink, and multiple bolts 15 are inserted in bolt hole 38 from bottom correspondence and return
Turning that spring bearing 14 is fixing to be connected, the head of bolt 15 is positioned at the inside of counter sink after installing, such purpose be for
Facilitate installation, it is to avoid the head of bolt 15 extend out to the outside of bolster 11, also function to the effect ensured.
As shown in figure 15, car body connection seat 19 is in a discoid structure, and the center of car body connection seat 19 has to be passed through
Mouth 20, forms annular boss 24 along being raised up by mouth 20, and annular boss 24 is inserted into the end of car body when mounted
Frame 23 is internal, is beneficial to install location, is arranging inside and outside two circle bolts by the periphery of mouth 20, and inner ring bolt 21 is altogether
12 fixing with the underframe 23 of car body is connected, outer ring bolt 22 totally 24 fix with slewing bearing 14 and to be connected, outward
Circle bolt 22 connects fixing for vehicle body bottom frame 23 simultaneously, facilitates operator car body connecting seat 19 with underframe 23 admittedly
It is arranged in slewing bearing 14 after fixed connection, outer ring bolt 22 can be passed through from the top of vehicle body bottom frame 23 by car body
Connect seat 19 to fix with slewing bearing 14.Also set by the periphery of mouth 20 on the lower surface of car body connection seat 19
Putting the annular erecting bed 25 that a circle is downwardly projecting, annular erecting bed 25 is pressed into when mounted to slewing bearing 14
Internal fixing.It is the conical surface tilted to center position in the latter half of the outer circumference surface of annular erecting bed 25, in peace
Play preferable guide effect during dress, be beneficial to install.Car body connection seat 19 is integrated and processes, overall structure letter
Single, it is easy to processing, also it is beneficial to install.
Bolster 11 is connected with the underframe 23 of car body by slewing bearing 14, is hung down by slewing bearing 14 carrying
To, vertical and horizontal load, slewing bearing 14 can realize 360 degree of rotations, it is achieved the too small curve of surface car
The requirement of (such as 25m), improves the little curve negotiation ability of vehicle.
As shown in Fig. 6, Figure 12, Figure 14 and Figure 15, bolster 11 is also equipped with a set of oil filling mechanism 26, be used for be
Slewing bearing 14 oiling, to ensure that slewing bearing 14 normally works.Oil filling mechanism 26 includes one group of oiling
Mouth 27, in the present embodiment, for ensureing oiling effect, makes lubricating oil be distributed more uniformly across in slewing bearing 14,
Being provided with four pump nozzles 27 altogether, four pump nozzles 27 connect four oil fuel tubes 28, the end of four oil fuel tubes 28 respectively
Portion is separately installed with a straight-through type pipe joint 40, and oil fuel tube 28 is by straight-through type pipe joint 40 and slewing bearing
The connection of 14.
Four pump nozzles 27 are arranged in an oil nozzle mounting seat 29, and oil nozzle mounting seat 29 uses high abrasion-resistance nylon material
Integrated injection molding, directly takes the center putting the containing cavity 13 at bolster 11, and i.e. four pump nozzles 27 are arranged on revolution
The center of spring bearing 14.The annular erecting bed 25 that car body connects seat 19 is provided with four gap, in pressure
Four oil fuel tubes 28 are avoided when entering slewing bearing 14 inside.
Four pump nozzles 27 use self-sealed pump nozzle, and inside has flexible member, when needs oiling, and behaviour
Make personnel and press downwards the self sealss closure 31 at pump nozzle 27 top, closure 31 is opened and can connect pouring orifice, note
At the end of oil, it is only necessary to unclamp closure 31, closure 31 can pop up under the effect of flexible member and seal up
Pouring orifice.
As shown in Figure 16 and Figure 17, oil nozzle mounting seat 29 entirety is column structure, and cylindrical bottom is taken and put at bolster
On 11, cylindrical border is provided with four indents extended in the vertical direction substantially semicircular in shape hang down
To accommodating chamber 30, four pump nozzles 27 are separately mounted in four vertical receiving chambeies 30, and vertical receiving chamber 30 is to installation
Pump nozzle 27 therein not only plays the effect of support, the most also to pump nozzle 27 in vehicle motor process
Effect to protection.
On the border of oil nozzle mounting seat 29 in addition to the vertical receiving chamber 30 of vertically extending setting, also have transversely
The first of the setting around cylinder excircle extended laterally contains chamber 32, and four oil fuel tubes 28 are connect by pipe respectively
Head is connected with the bottom of four pump nozzles 27.As shown in figure 14, four oil fuel tubes 28 are fixed by band 33 after connecting,
Fixedly securing in oil nozzle mounting seat 29 by four oil fuel tubes 28, band 33 is bundled in the first portion laterally containing chamber 32
Position.Utilize band 33 to bundle not only can be prevented effectively from vehicle operation and make between oil fuel tube 28 and pump nozzle 27
Loose or dislocation, also makes dismounting very convenient.Extend transversely that to be additionally provided with second horizontal on the cylinder excircle
Accommodating chamber 98, second laterally contains chamber 98 is positioned at the first lower section laterally containing chamber 32, and oil fuel tube 28 is outside in bottom
Side bending, arranges second herein and laterally contains chamber 98 and facilitate oil fuel tube 28 bending, and oil fuel tube 28 also functions to protection
Effect.Because oil fuel tube 28 is copper pipe, utilize the pump nozzle 27 of the i.e. sustainable top of intensity of itself, by pricking
Bundling oil fuel tube 28 with 33 and can realize fixing pump nozzle 27, mounting structure is simple and convenient.
Seat 19 is connected centrally through the lamina tecti being provided with an activity on the vehicle body bottom frame above mouth 20 at corresponding car body
102, when needs oiling, to open lamina tecti 102 and can spill the pump nozzle 27 of lower section, oiling terminates to push up on bonnet
Cover plate 102, not only can realize at any time slewing bearing 14 being carried out oiling, also facilitate simple and direct, also allow for
Regular maintenance.
As is illustrated by figs. 11 and 12, on two angles of bolster 11 upper surface, it is additionally provided with two cavitys 34, at this
Place arranges cavity 34 can play the effect of reinforcement, improves structural strength and the rigidity of whole bolster 11.At two
Also having a discharge outlet 35 in cavity 34, discharge outlet 35 runs through bolster 11, accumulates in cavity 34 to facilitate
Interior rainwater and flushing water are discharged.As is illustrated by figs. 11 and 12, four of bolster 11 outside the side of centre convergence
Side is also respectively provided with the first outwardly reinforcement 36.
As shown in figure 13, on the lower surface of bolster 11, be positioned at the marginal position outside framework 2 be also equipped with two to
Under the vibroshock mounting seat 37 stretched out, lateral damper 9 and vertical damper 10 are fixedly mounted on vibration damping by bolt 90
In device mounting seat 37, vibroshock mounting seat 37 is two be arranged side by side, and one of them is used for fixing one and laterally subtracts
Shake device 9 and a vertical damper 10, and another is used for fixing another vertical damper 10.First reinforcement 36 He
Vibroshock mounting seat 37 is one-body molded with bolster 11, and and bolster 11 between arc transition, the first reinforcement 36 and subtracting
The setting of device mounting seat 37 of shaking can improve structural strength and the rigidity of whole bolster 11 further.
As shown in Fig. 4, Fig. 6, Figure 13 and Figure 14, extend downwardly from one in the center of the lower surface of bolster 11 and stretch
Going out portion 45, extension 45 is one-body molded with bolster 11, it is also possible to be welded and fixed.As in figure 2 it is shown, corresponding extension 45,
The end carriage 82 of framework 2 is provided with one for extension 45 insert opening 46, the structure that opening 46 is rectangle,
Length in cross-car is more than the length on car body is longitudinal.Corresponding two bolster 11, on two end carriages 82 all
It is provided with an opening 46.
As shown in Figure 6, being provided with two horizontal backstops 47 on the sidewall of each opening 46 both lateral sides, two laterally
The while of backstop 47, below two lateral bolster 11, the direction of extension 45 is stretched out, and the extension 45 below bolster 11 stretches into
Between two horizontal backstops 47, and and laterally leave horizontal backstop gap between backstop 47.At vehicle operation
In play the effect of preferably laterally backstop, to limit the vehicle lateral displacement beyond normal degree of freedom, in order to avoid
Vehicle is by dangerous working conditions such as some small curve radius generation rollovers.
As shown in figure 18, in the present embodiment, horizontal backstop 47 is made up of three-decker, respectively wearing layer 47a, rubber
Glue-line 47b and backplane level, wearing layer 47a is positioned at the top layer that the extension 45 with bolster 11 contacts, by wearing layer 47a
Contacting with the extension 45 of bolster 11, wearing layer 47a uses the nylon material of high abrasion characteristic, utilizes nylon material to have
There is wear-resisting feature, improve the service life of horizontal backstop 47.Rubber layer 47b is arranged on wearing layer 47a and backplane level
Between, rubber layer 47b is one-body molded with backplane level sulfuration, and wearing layer 47a and rubber layer 47b sticks with glue together with knot.
As shown in Figure 6, backplane level is fixed on the sidewall of the opening 46 on end carriage 82 by bolt 48.As shown in figure 18, the end
Flaggy is made up of three parts, the respectively first base plate 47c, the second base plate 47d and the 3rd base plate 47e, the first base plate 47c
Being positioned at the bottommost of backplane level, the center of the first base plate 47c has an opening, opening part throat thickness thicker in
Second base plate 47d of tubular, the second base plate 47d stretch to the inside of rubber layer 47b, at the center of the second base plate 47d
There is internal thread hole 47f.Internal thread hole 47f runs through the second base plate 47d, and the 3rd base plate 47e is arranged on internal thread hole 47e
Top, play the effect of backstop, can ensure that the structural strength of junction, the first base plate 47c, second end simultaneously
Plate 47d and the 3rd base plate 47e forms with rubber layer 47b integrated vulcanizing.Internal thread hole 47f can also use not through
The gap structure of two base plate 47d, the most then need not additionally arrange the 3rd base plate 47e.As shown in Figure 6, at end carriage 82
Sidewall on have installing hole 50, by bolt 48 through the installing hole 50 on end carriage 82 and horizontal backstop 47 backplane level
On internal thread hole 47f fixing connect, and then horizontal backstop 47 is fixed on end carriage 82, on end carriage 82 sidewall
One setting-up piece (not indicating in figure) is installed between the head of installing hole 50 and bolt 48.
This horizontal backstop 47 is under the elastic characteristic ensureing horizontal backstop 47 requires, it is ensured that good stiffness curve
Can, meet lateral displacement under the most severe operation situation and reduce to greatest extent, significantly reduce vehicle traversing time band
That comes rocks, and improves running stability, adds the comfortableness taken, and simple in construction, dependable performance,
Durability characteristics is strong.
When installing horizontal backstop 47, need existing car regulate horizontal backstop 47 top and bolster 11 extension 45 it
Between horizontal backstop gap size, between the first base plate 47c and the sidewall of end carriage 82 of horizontal backstop 47, pad one again
Or multiple adjustment pad 49, easy to adjust fast.
As shown in Figure 4, two sidewalls on the inside of opening 46 is longitudinal respectively stretch out one to the direction of extension 45 to indulge
To stopper section 42, the effect of longitudinal load-bearing is played in longitudinal stopper section 42, when drawing pull bar 16 lost efficacy, and longitudinal backstop
Portion 42 coordinate with extension 45 remain to drive vehicle run.
Vehicle, when high-speed cruising, owing to circuit question can produce vertical vibration, and then can produce vertical punching to car body
Hitting, in order to avoid there is overshoot phenomenon, limiting the vertical vibration distance that car body is maximum, it is to avoid exceed gauge, such as Fig. 6
Shown in Figure 14, in the present embodiment, between the end carriage 82 of bolster 11 and framework 2, it is additionally provided with lift, lifting
Device not only can limit the vertical vibration distance that car body is maximum, may also operate as the work of bogie integral lifting simultaneously
With.
As shown in Fig. 6 and Figure 14, lift is two lifting bars 51, is arranged on the lower surface of bolster 11, two
Lifting bar 51 is symmetricly set on the both sides that extension 45 is horizontal, in order to ensure bonding strength during lifting, the most permissible
Keeping balance during lifting, the structure of two lifting bars 51 is identical, and the top of lifting bar 51 is connected with bolster 11, carries
The bottom of suspension rod 51 is connected with the end carriage 82 of framework 2.
As shown in figure 19, lifting bar 51 main body is an elongated cylinder, and the top of lifting bar 51 has a T-shaped head,
The dual-side of T-shaped head has spline plane 57, and the bottom of lifting bar 51 has external screw thread, and externally threaded top has
The stopper section 61 that one section of diameter is bigger.
As shown in Fig. 6 and Figure 14, have fixing port 52 needing to install on bolster 11 lower surface of lifting bar 51, fixing
One piece of backing plate 53 is i.e. installed at the top end of lifting bar 51 in the inside of mouth 52, installs on the excircle of fixing port 52
One piece of locking backing plate 54, the inner ring of locking backing plate 54 has two straight lines relative with the spline plane 57 of lifting bar 51,
Rotate for limiting lifting bar 51, in the lower section of locking backing plate 54, one piece of mounting blocks 55 is installed again, mounting blocks 55 interior
Circle has the conical surface matched in the T-shaped head bottom surface with lifting bar 51, and the bottom of the outer ring of mounting blocks 55 has step-like
Structure, arranges four bolts hole on step-like position, by four bolts 56 by solid with bolster 11 for mounting blocks 55
Being scheduled on together, lifting bar 51 its T-shaped head after mounting is mounted block 55 and blocks, and, also has on mounting blocks 55 meanwhile
There is the annular groove of a circle indent, be filled with sealing ring 58 therein, also rise while the effect playing sealing
To the effect fixedly secured further.
As shown in Figure 6, on the end carriage 82 of framework 2, corresponding every lifting bar 51 has lifting opening 59, lifting opening
59 symmetries are opened in the both sides of opening 46, install a bayonet socket 60 in the bottom of lifting bar 51, and the diameter of bayonet socket 60 is more than carrying
Hanging the diameter of opening 59, bayonet socket 60 has a vertical distance apart from lifting opening 59, and this distance is the maximum of permission and hangs down
To oscillation distances.The bottom inner ring of bayonet socket 60 has the conical surface, installs a positioning block 62 in the lower section of bayonet socket 60, location
Having on the upper surface of block 62 and the conical surface of bayonet socket 60 cone match, the inner ring of locating piece 62 has step-like structure, platform
Stepped structure stopper section 61 with lifting bar 51 after mounting leans, and plays the effect of location backstop, locating piece 62
Lower section tighten a nut 63 in the bottom of lifting bar 51 and realize fixing, the inner ring at bayonet socket 60 has an annular indent
Annular groove, an O-ring seals 64 is installed in annular groove, also functions to solid while the effect playing sealing
Determine the effect of bayonet socket 60.Bayonet socket 60 after installation, if bolster 11 moves up on vertical, bottom lifting bar 51
I.e. may be stuck at lifting opening 59, and then punching can be avoided.Meanwhile, this lifting bar 51 lifting time, bayonet socket 60
It is stuck on framework 2, it is achieved bogie and the integral lifting of car body.
As shown in Figure 6, in order to protect lifting bar 51, the end carriage 82 at lifting opening 59 has concave up fovea superior part
65, the installing hole 50 of the bolt 48 for installing horizontal backstop 47 is opened in the sidewall of this fovea superior part 65, and lifting is opened
Mouth 59 is opened on the roof of this fovea superior part 65.Fovea superior part 65 is not only convenient installs horizontal backstop 18 and lifting bar 51
Installation, also allow for regular maintenance, it is not necessary to the structures such as horizontal backstop mounting seat, vertical backstop mounting seat are additionally set,
Simplify the structure of bogie 1 to a certain extent, also mitigate the weight of bogie 1.
As shown in Fig. 6 and Figure 20, two groups of secondary springs composition 8 is set between each bolster 11 and framework 2, two group two
It is the spring composition 8 lateral symmetry outside being arranged on two lifting bars 51 along framework 2, two groups of secondary spring compositions 8
Structure is identical.
As shown in figure 21, secondary spring composition 8 is made up of the spring of upper padding plate 66, lower bolster 67 and centre, middle
Spring section uses double steel coil spring, is made up of interior spring 68 and outer spring 69, not only compact overall structure, stability
Good, it is also possible to improve the stability that vehicle runs, meet the requirement of big volume of passenger traffic carrying, be particularly well-suited to car body and turn
The low-floor city railway vehicle that space is nervous between frame.
Upper padding plate 66 is made up of the rubber layer 66c of upper strata metallic plate 66a, lower metal plate 66b and centre, rubber layer 66c
Sulfiding with upper strata metallic plate 66a, lower metal plate 66b, upper padding plate 66 has a centre bore 66d.Such as Figure 14
Shown in Figure 20, corresponding upper padding plate 66 arranges first mounting groove 70 on the lower surface of bolster 11, installs first
The center of groove 70 has the installation portion 71 of downwardly projecting annular, and installation portion 71 matches to merge with centre bore 66d and is inserted into
In centre bore 66d, playing the effect that location is fixing, the diameter of the first mounting groove 70 coordinates with upper padding plate 66, makes pad
Realizing fixing in plate 66 is stuck in the first mounting groove 70, centre bore 66d is stuck at installation portion 71 simultaneously, and then realizes
Backing plate 66 is connected with the fixing of bolster 11, without using traditional bolted side between upper padding plate 66 and bolster 11
Formula, makes installing/dismounting the most simple and convenient, makes installing/dismounting the most simple and convenient, decrease securing member use and
Safeguard, and it is the compactest to make secondary spring form 8 structures, so that this device is more suitable between car body and bogie
The low-floor rail vehicle that space is nervous.
Lower surface at the lower metal plate 66b of upper padding plate 66 has downwardly projecting upper spring convex ringwise
Rise 66e, upper spring positioning convex 666e between interior spring 68 and outer spring 69, upper spring positioning convex 666e is metal
Plate also welds together or one-body molded with lower metal plate 66b.
As shown in Fig. 2, Figure 20 and Figure 21, on the end carriage 82 of framework 2, corresponding each secondary spring composition 8 is provided with the
Two mounting grooves 72, the diameter of the second mounting groove 72 coordinates with lower bolster 67, makes lower bolster 67 be stuck in the second mounting groove 72
In and realize fixing.Lower bolster 67 is made up of positioning seat 67a and adjusting pad, positioning seat 67a for metallic plate, location
Having a lower spring positioning convex 67b ringwise protruding upward equally on the upper surface of seat 67a, lower spring positions
Protruding 67b is between interior spring 68 and outer spring 69, and lower spring positioning convex 67b is metallic plate, welds with positioning seat 67a
Together or one-body molded.After installation, lower bolster 67 fixes and realizes two bottom the second mounting groove 72 of framework 2 is bullet
Fixing being connected between spring composition 8 and end carriage 82, between lower bolster 67 with end carriage 82 as without using traditional bolt
The mode connected, makes installing/dismounting the most simple and convenient, decreases the operation and maintenance of securing member, make the most further
It is the compactest that secondary spring forms 8 structures.The second mounting groove 72 on end carriage 82, for turbination structure, is fixing
While secondary spring composition 8, it is also possible to avoid when vehicle runs, secondary spring composition 8 and the second mounting groove 72
Inwall collision.In the present embodiment, the second mounting groove 72 uses the structure of sunk type, reduce further floor
Height.
Upper spring positioning convex 666e and lower spring positioning convex 67b mono-aspect serve damping effect, on the other hand,
Interior spring 68 and outer spring 69 are separated by this " protruding " structure, when vehicle needs by little curve, are i.e. bullet when two
During the spring composition 8 big displacement of generation, decreasing interior spring 68 and the probability of outer spring 69 collision, efficiently avoid two is bullet
The unstability of spring composition 8.
The adjusting pad of lower bolster 67 is divided into two kinds of different structures, and one is interior spring adjusting pad 67c, interior spring adjusting pad 67c
For rubber blanket, it is arranged on the bottom of the interior spring 68 of inner ring of lower spring positioning convex 67b, for compressing in ordinance load
The adjustment of spring 68 in relative superiority or inferiority, another kind is outer spring adjusting pad 67d, and outer spring adjusting pad 67d is rubber blanket, is arranged on down
The outer ring of spring positioning convex 67b is the bottom of outer spring 69, for the adjustment of outer spring 69, with spring 68 and outer spring in ensureing
69 compressions under same service load are high, and then ensure operating steadily between car body and bogie.Meanwhile, on
Backing plate 66 utilize the pliability of rubber layer 66c to significantly reduce vibration and impact that steel spring brings.
Being provided with tubular protective cover 73 between the first mounting groove 70 and the second mounting groove 72, secondary spring composition 8 is wrapped
Being trapped among in protective cover 73, protective cover 73 is preferably made up of the nitrile rubber integrated vulcanizing of oil resistant, fine corrosion resistance.
Protective cover 73 is made up of upper Access Division, middle cylindrical part and lower Access Division, and middle cylindrical part uses wavy shaped configuration,
Upper Access Division and lower Access Division are sealedly and fixedly connected respectively on the first mounting groove 70 and the second mounting groove 72, not only have
It is beneficial to the installation and removal of protective cover 73, also secondary spring composition 8 is sealed in protective cover 73, prevents greasy dirt, water
Drip etc. and to penetrate in the framework of framework, cause corrosion.It addition, during vehicle runs, dustproof construction itself becomes " wave "
Shape, it is achieved that folding characteristic, to adapt to the sealing of steel spring deformation under different loads.
As shown in Figure 20 and Figure 21, in the present embodiment, it is additionally provided with a vertical backstop 74 at the center of interior spring 68, hangs down
It is fixed on the upper padding plate 66 in secondary spring composition 8 to backstop 74.Vertical backstop 74 by rubber 74a, base plate 74b and
Baffle plate 74c forms, and rubber 74a and base plate 74b and baffle plate 74c sulfides molding, and rubber 74a is positioned at base plate
The lower section of 74b, the center of base plate 74b has an internal thread hole (not indicating in figure), and baffle plate 74c is positioned at internal thread hole
Bottom, base plate 74b and baffle plate 74c use metallic plate, even if there is the situation that secondary spring rupture, vertical stop
Gear 74 coordinates with boss 76 also can be as safety supports, it is ensured that the driving safety of rail vehicle, forms 8 at secondary spring
In the center of lower metal plate 66b of upper padding plate 66 there is an installing hole, between base plate 74b and lower metal plate 66b
It is fixed together by bolt 75.Between base plate 74b and upper padding plate 66, it is additionally provided with adjustment plate 74d, is used for
The vertical backstop gap between the bottom of vertical backstop 77 and protruding 76 tops is regulated during installation.
As shown in figure 20, in the second mounting groove 72 of end carriage 82, be provided with a projection 76 upwards, protruding 76 with
Out, the center of the lower bolster 67 in secondary spring composition 8 has opening, and protruding 76 in peace for framework 2 integrally casting
It is inserted into after dress in the opening of lower bolster 67, and stretches to the inside of interior spring 68, with vertical backstop 74 just to setting,
Between bottom and the top of protruding 76 of vertical backstop 74, there is vertical backstop gap.When vehicle is properly functioning, hang down
Do not contact between the bottom of backstop 74 with the top of protruding 76, only in the case of load capacity is relatively big, secondary spring
When composition 8 is compressed, the bottom of vertical backstop 74 and protruding 76 top contact, vertical backstop 74 is also further compressed,
Due to rigidity linear of double steel coil springs, the rigidity of the vertical backstop 74 of elastomeric material is non-linear, works as load
When measuring bigger, vertical backstop 74 contacts with the projection 76 in the second mounting groove 72 and is compressed, and is playing backstop action
While, also function to the effect of variation rigidity, be conducive to improving the dynamic performance that vehicle runs.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the center crossbeam 77 of framework 2 has the strip extended transversely
Cannelure 83, cannelure 83 respectively arranges one on the upper and lower surface of center crossbeam 77, the centre of center crossbeam 77
Connection can increase structural strength herein, improves bearing capacity, and upper and lower two strip grooves 83 can also run through and set
Put.Two sidewalls of the cannelure 83 of center crossbeam 77 are installed with the second drawing pull bar mounting interface respectively
84, each sidewall is provided with four the second drawing pull bar mounting interfaces 84, four the second drawing pull bar mounting interfaces
84 be disposed side by side on cannelure 83 side sidewall on, middle two the second drawing pull bar mounting interfaces 84 abut against
Fixing together or be integral type structure, four the second drawing pull bar mounting interfaces 84 are used for fixing two drawing pull bar 16
Four connection seat 16c of end.Cannelure 83 is set at center crossbeam 77, is very easy to the second drawing pull bar peace
The dismounting of attaching mouth 84.
Second drawing pull bar mounting interface 84 is designed to Split type structure, is divided into left and right two parts, and each part has
There is half circular mounting mouth, form the second complete installing port 39 after two part snap-fit, be used for accommodating drawing pull bar
The connection seat 16c of 16 ends, the sidewall of one of center crossbeam 77 with framework 2 is fixing to be connected, at this block second
The center of drawing pull bar mounting interface 84 has a smooth bore, is correspondingly also provided with on the sidewall of center crossbeam 77
There is the female screwed hole of tool, by bolt 85, this block is fixed together with center crossbeam 77.In order to avoid spiral shell
Bolt 85 affects the installation of drawing pull bar 16 after mounting, sets on the inwall of this block the second drawing pull bar mounting interface 84
Put a groove 103, in order to accommodate the head of bolt 85.Two connection seat 16c correspondences of drawing pull bar 16 end are put
Enter in the semicircle installing port of both sides, then another block is fastened, and be fixedly connected on one with four bolts 86 by two pieces
Rising, and then fixed by the connection seat 16c of drawing pull bar 16 end, the nut 104 for 86 ends that tight a bolt is from ring
The center of shape groove 83 is stretched into, and is inserted into the afterbody of bolt 86 and tightens, each installation two in upper and lower two cannelures 83
Nut 104, gets final product the fixing of complete drawing pull bar 16, operates the most simple and convenient, installation effectiveness is greatly improved.
As when the first drawing pull bar mounting interface 12 is installed, in the pin-and-hole 78 connecting seat 16c, installs one during installation position
Pin 79, coordinates with the pin-and-hole on the second drawing pull bar mounting interface 84, makes drawing pull bar 16 accurately to install, and
And installation effectiveness can be improved.
In the present embodiment, cylindrical connection seat 16c is set in the end of drawing pull bar 16, with the first drawing pull bar
Mounting interface 12 and first circular installing port 17 and second installing port 39 of the second drawing pull bar mounting interface 84
Coordinating fixing, longitudinally transmission power is realized by complete circular binding face, not only can improve longitudinal transmission capacity,
And abrasion can be alleviated, the two ends of drawing pull bar 16 arrange ball pivot simultaneously so that it is have less lateral stiffness,
Meet lateral displacement big between car body and bogie and length travel, improve longitudinal traction ability and anti-side rolling ability,
Improve the overall performance of traction apparatus.
As shown in Fig. 3, Fig. 7 and Fig. 8, the vibroshock mounting seat 37 outside each bolster 11 is provided with one laterally
Vibroshock 9 and two vertical dampers 10, two vertical dampers 10 are put in the cross-car of lateral damper 9
Both sides, vibroshock mounting seat 37 is set to two, installs one wherein and laterally subtract in a vibroshock mounting seat 37
Shake device 9 and a vertical damper 10, another vibroshock mounting seat 37 is installed a vertical damper 10, laterally
The other end of vibroshock 9 and vertical damper 10 is fixing with the end carriage 82 of framework 2 to be connected.
As it is shown in fig. 7, lateral damper 9 is identical with the structure of vertical damper 10, by vibroshock body 87,
One connecting rod the 88, second connecting rod 89 forms, and the shell of vibroshock body 87 has four installing holes, leads to respectively
Cross bolt 90 to be fixed in the vibroshock mounting seat 37 of bolster 11, one end of head rod 88 and vibroshock body 87
Fixing and connect, the other end and the second connecting rod 89 connect, and the other end of the second connecting rod 89 is connected with framework 2, at end
It is provided with lateral damper on the sidewall of beam 82 and fixes seat 100 and seat 99 fixed by vertical damper, the second connecting rod 89
The other end is connected to the lateral damper of end carriage 82 and fixes seat 100 or vertical damper is fixed on seat 99.Second connecting rod
Seat 100 is fixed at the two ends of 89 and head rod 88 and lateral damper or vertical damper is fixed between seat 99 the most logical
Cross an oscillating bearing 91 to connect.The outer ring of oscillating bearing 91 is connected with the second connecting rod 89, oscillating bearing 91 interior
Circle is installed and is connected a connecting shaft 92, and connecting shaft 92 is stretched out from side and is inserted into the lateral damper of framework 2 and fixes seat 100
Or vertical damper fixes in the installing hole of seat 99, and fixed by puller bolt.Second connecting rod 89 and the one the
Attachment structure between one connecting rod 88 is same.
As shown in Figure 8, in the present embodiment, the second connecting rod 89 being divided into two sections, centre is by one section of connecting rod 105 even
Connecing, be threaded connection between connecting rod 105 and two section of second connecting rod 89, this structure can facilitate the second connecting rod
89 fix seat 100 or vertical damper fixes that seat 99 is fixing to be connected with the head rod 88 at two ends and lateral damper.
As shown in Figure 7 and Figure 8, the outside at the oscillating bearing 91 at the second connecting rod 89 two ends is respectively cased with a dust cover
93.As shown in figure 22, dust cover 93 is made for elastomeric material, has two openings 94 and opening 95, opening 94 He
Opening 95 towards in 90 degree, an opening 94 is used for overlapping the second connecting rod 89, another opening 95 be used for overlapping with
The connecting shaft 92 that second connecting rod 89 connects, the diameter of opening 95 is slightly less than the diameter of connecting shaft 92, and its round edge is
Taper so that after installation herein can tight seal, the diameter of another opening 94 is bigger, convenient installs, logical after installation
Cross band 96 to tighten and be fixed in the second connecting rod 89.At dust cover 93 near the position of opening 95, there is wave knot
Structure, is improving enough distortion allowances.On oscillating bearing 91 below the second connecting rod 89, also there is pouring orifice 97.
As it is shown in fig. 7, the head rod 88 of lateral damper 9 is vertical setting, its second connecting rod 89 is horizontal
To arrange, the head rod 88 of vertical damper 10 is horizontally set, and its second connecting rod 89 is vertical setting
Put, owing to each junction all uses oscillating bearing 91 to connect, produce oscillation crosswise when the vehicle is running or vertical shake
Time dynamic, the second connecting rod 89 horizontal or vertical on can swing in certain angle, and then drive head rod 88
Swinging, vibroshock body 87 limits the pendulum angle of head rod 88, so play in the horizontal with vertical on
Damping effect.
Lateral damper 9 and vertical damper 10 are arranged on the sidewall of bolster 11 and the end carriage 82 of framework 2 by the present invention
Between sidepiece, and vibroshock body 87 is by head rod 88 and the second connecting rod 89 and the structure as vibration source
Frame 2 connects, and the rotary motion of vibroshock body 87 is not only changed into the linear motion of the second connecting rod 89, the most in fact
Having showed the horizontal and amplification of vertical deviation, made the damping regulating effect of vibroshock strengthen, regulation is more flexible, also makes
The structure obtaining bogie is simpler compact, is more favorable to reduce height of floor from rail top.
As it has been described above, combine the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is
Without departing from the content of technical solution of the present invention, any letter above example made according to the technical spirit of the present invention
Single amendment, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (10)
1. a low-floor rail vehicle truck bolster structure, including bolster, it is characterised in that: at described bolster
Side be provided with the multiple first drawing pull bar mounting interfaces being connected with drawing pull bar, at the lower surface of described bolster
Center extend downwardly from an extension, described bolster is connected with car body by slew gear.
Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: described
Bolster, the first drawing pull bar mounting interface, extension are integrated cast structure.
Low-floor rail vehicle truck bolster structure the most according to claim 1 and 2, it is characterised in that:
The opposite side that described bolster is relative with described first drawing pull bar mounting interface is provided with lateral damper and Vertical Vibration Reduction
Device, the other end of described lateral damper and vertical damper is connected with framework.
Low-floor rail vehicle truck bolster structure the most according to claim 3, it is characterised in that: in institute
State the side of bolster and extended have vibroshock mounting seat, described lateral damper and vertical damper down along vertical
It is fixedly mounted in vibroshock mounting seat.
Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: described
First drawing pull bar mounting interface is the structure of split, is respectively arranged with semicircular opening in two parts of split
Mouth also collectively constitutes circular the first installing port for installing drawing pull bar end after fastening, and two parts are passed through
Bolt is fixing to be connected.
Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: in institute
Stating and be provided with lift on the lower surface of bolster, the bottom of described lift is connected with framework.
Low-floor rail vehicle truck bolster structure the most according to claim 6, it is characterised in that: described
Lift is two lifting bars, and two described lifting bars are symmetricly set on extension below bolster along cross-car
Both sides, have fixing port needing to install on the bolster lower surface of lifting bar, and the top of lifting bar is fixed on fixing port
In.
Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: described
Slew gear includes that slewing bearing and car body connect seat, and described slewing bearing is fixedly mounted on bolster,
Described car body connects the top of seat and is fixed on car body, and bottom is fixed in described slewing bearing, at described time
Turn being provided centrally with for the oil filling mechanism for described slewing bearing oiling of spring bearing.
Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: in institute
State and on bolster, be provided with one or more cavity, in described cavity, be provided with osculum.
10. a bogie, it is characterised in that: install on described bogie just like any one of claim 1-9 institute
The bolster structure stated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610344569.9A CN105923006B (en) | 2016-05-21 | 2016-05-21 | A kind of low-floor rail vehicle truck bolster structure and bogie |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610344569.9A CN105923006B (en) | 2016-05-21 | 2016-05-21 | A kind of low-floor rail vehicle truck bolster structure and bogie |
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| CN105923006B CN105923006B (en) | 2018-08-03 |
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Cited By (2)
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| CN106394145A (en) * | 2016-11-18 | 2017-02-15 | 中车四方车辆有限公司 | Double-power guide travelling device and roadrailer |
| CN107200033A (en) * | 2017-05-11 | 2017-09-26 | 同济大学 | A kind of single-axle bogie of the Straddle type monorail vehicle of use pivoted arm bolster |
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| CN106394145A (en) * | 2016-11-18 | 2017-02-15 | 中车四方车辆有限公司 | Double-power guide travelling device and roadrailer |
| CN106394145B (en) * | 2016-11-18 | 2019-05-24 | 中车四方车辆有限公司 | Double dynamical guiding running gear and road rail vehicle |
| CN107200033A (en) * | 2017-05-11 | 2017-09-26 | 同济大学 | A kind of single-axle bogie of the Straddle type monorail vehicle of use pivoted arm bolster |
| CN107200033B (en) * | 2017-05-11 | 2019-05-14 | 同济大学 | A kind of single-axle bogie of the Straddle type monorail vehicle using pivoted arm bolster |
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|---|---|
| CN105923006B (en) | 2018-08-03 |
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