CN205872073U - Low floor railway vehicle bogie truck bloster structure and bogie - Google Patents

Abstract

The utility model relates to a low floor railway vehicle bogie truck bloster structure and bogie, including the truck bloster, the truck bloster is V font structure the automobile body of truck bloster is indulged ascending one side and is provided with a traction pull rod who is connected with traction pull rod and installs the interface the central point of the lower surface of truck bloster puts and stretches out an extension downwards, the truck bloster passes through rotation mechanism and car connection the horizontal ascending bilateral symmetry of automobile body of truck bloster is provided with the shock absorber mount pad. The utility model discloses the simple compactness of overall structure not only can improve the overall structure intensity of truck bloster moreover, improves its whole bearing capacity. Simultaneously, being connected through rotation mechanism between truck bloster and the automobile body, greatly having improved the little curve negotiating ability of bogie, this truck bloster structure still is favorable to reducing the height of ground face in addition, and then does benefit to the setting of getting on or off the bus.

Description

Low-floor rail vehicle truck bolster structure and bogie

Technical field

This utility model relates to a kind of low-floor rail vehicle bogie, relates to a kind of at low-floor radial type track simultaneously The bolster structure installed on vehicle, 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 in Low-floor urban rail vehicle In, bogie is as most important structure member, and its structure and parameters directly determine the stability of vehicle operation and take advantage of The comfortableness sat.The bogie of existing Low-floor urban rail vehicle generally has that little curve negotiation ability is poor, the higher difficulty of floor With 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, the requirement to city rail vehicle more comes The highest, it is therefore desirable to provide one can reduce floor and be beneficial to setting of getting on or off the bus, and simple and compact for structure, curve negotiating energy Power is strong, lightweight, improve low-floor articulated track vehicle the bogie suspension device running vehicle performance.

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, and the bolster of existing Low-floor urban rail vehicle is mainly by upper The box structure of the Plate Weldings such as cover plate, lower cover, side plate and various bearings, structure is the most more complicated, is susceptible to become Shape and the phenomenon of fatigue fracture, meanwhile, bolster is installed in the top of whole framework, has relatively raised the height of floor, It is unfavorable for setting of getting on or off the bus.

Utility model content

This utility model main purpose is to solve the problems referred to above and deficiency, it is provided that one is simple and compact for structure, curve leads to Cross ability strong, and the low-floor rail vehicle truck bolster structure of height of floor from rail top can be reduced, provide one to be provided with simultaneously The bogie of this bolster structure.

For achieving the above object, the technical solution of the utility model is:

A kind of low-floor rail vehicle truck bolster structure, including bolster, is provided with slew gear on described bolster, Described bolster is in the shape of the letter V structure, described bolster car body longitudinally on side be provided with first be connected with drawing pull bar and lead Be pulled bar mounting interface, extends downwardly from an extension in the center of the lower surface of described bolster, and described bolster passes through back Rotation mechanism is connected with car body, and the lateral symmetry in the cross-car of described bolster is provided with vibroshock mounting seat.

Further, described bolster, the first drawing pull bar mounting interface, extension, vibroshock mounting seat are integrated casting knot Structure.

Further, described vibroshock mounting seat is step-like structure, is provided with construction opening on the step of inner side, It is provided with the bolt hole for installing lateral damper on the sidewall of construction opening, the step in outside has for installing vertical To the bolt hole of vibroshock.

Further, described first drawing pull bar mounting interface is the structure of split, sets respectively in two parts of split It is equipped with semicircular opening and after fastening, collectively constitutes first installing port for installing drawing pull bar end of circle, two Part is bolted to connection.

Further, the top half of described first drawing pull bar mounting interface be described bolster side arrange multiple to Lower prominent arch hatch frame, the latter half of the first drawing pull bar mounting interface is the most independently installed multiple installations Block, sidewall one mounting blocks of each fixing connection of corresponding each arch opening both sides.

Further, the upper surface of described first drawing pull bar mounting interface is the portion of described bolster upper surface concave downward Point.

Further, being provided with lift on described bolster, the bottom of described lift is connected with the curb girder of framework.

Further, described lift is many lifting bars, and the quantity of described lifting bar is relative with the quantity of secondary spring Should, inside each secondary spring, it is respectively mounted a lifting bar.

Further, the lower surface of described bolster is provided with the first mounting groove of upwards indent, the top of secondary spring Embedding is arranged in the first mounting groove.

Another technical scheme of the present utility model 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 described in the utility model and bogie, no But overall structure is the compactest, and the overall construction intensity of bolster can be improved, improve its integrated carrying ability.Meanwhile, shake Pillow is connected by slew gear with between car body, drastically increases the little curve negotiation ability of bogie, and this bolster is tied Structure also helps the height reducing floor, and then is beneficial to setting of getting on or off the bus.

Accompanying drawing explanation

Fig. 1 is this utility model rail vehicle structural representation；

Fig. 2 is this utility model bogie suspension traction apparatus structural representation；

Fig. 3 is the floor map of this utility model bogie suspension traction apparatus structure；

Fig. 4 is the A direction view of Fig. 3；

Fig. 5 is this utility model drawing pull bar structural representation；

Fig. 6 is the top view of Fig. 5；

Fig. 7 is this utility model bolster structural representation；

Fig. 8 is the A-A sectional view of Fig. 3；

Fig. 9 is the B-B sectional view of Fig. 3；

Figure 10 is the C-C sectional view of Fig. 3；

Figure 11 is I partial enlarged drawing of Fig. 3；

Figure 12 is the mounting structure schematic diagram of this utility model lateral damper and vertical damper；

Figure 13 is this utility model dust cover structure schematic diagram.

As shown in figure 1 to figure 13, bogie 1, car body 2, slew gear 3, framework 4, hang traction apparatus 5, wheel, to 6, is pacified Dress beam 7, curb girder 8, end carriage 9, bolster 10, pin-and-hole 11, primary spring 12, secondary spring 13, lateral damper 14, vertical damper 15, drawing pull bar 16, pull bar 16a, ball pivot 16b, connection seat 16c, bolt hole 17, the first drawing pull bar mounting interface 18, first Installing port 19, bolt 20, pin-and-hole 21, installing plate 22, bolt 23, slewing bearing 24, containing cavity 25, bolt 26, bolt hole 27, bolt 28, oil filling mechanism 29, oil fuel tube 30, cavity 31, vibroshock mounting seat 32, extension 33, opening 34, horizontal backstop 35, wearing layer 35a, rubber layer 35b, backplane level 35c, bolt 36, lifting bar 37, steady pin 38, the second mounting groove 39, second leads Be pulled bar mounting interface 40, construction opening groove 41, the second installing port 42, bolt 43, vibroshock body 44, head rod 45, Second connecting rod 46, oscillating bearing 47, connecting shaft 48, connecting rod 49, dust cover 50, opening 51, opening 52, upper padding plate 53, upper bullet Spring positioning convex 53a, lower bolster 54, lower spring positioning convex 54a, interior spring 55, outer spring 56, the first mounting groove 57, installation portion 58, Protective cover 59, lifting installing hole 60, upper lifting mounting seat 61, lifting installation sheath 62, connecting pin 63, bolt 64, connect seat 65, Lower lifting mounting seat 66, lifting opening 67, bayonet socket 68, nut 69, sealing ring 70, stopper section 71, erecting bed 72, mounting groove 73, Band 74, construction opening 75, bolt hole 76, lateral damper fixes seat 77, positioning convex 78, detent 79, installing plate 80.

Detailed description of the invention

With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:

As it is shown in figure 1, a kind of low-floor articulated track vehicle bogie suspension traction apparatus, it is arranged on low-floor hinged On bogie 1 below the drivers' cab of formula rail vehicle and the cephalomere compartment adjacent with drivers' cab, i.e. it is arranged on headstock position On bogie 1, it is connected by slew gear 3 between this bogie 1 and the car body 2 in cephalomere compartment.

As in figure 2 it is shown, bogie 1 include framework 4, hang traction apparatus 5, wheel to 6, drive motor (not shown), Brakes etc., wherein, drive motor to use four, drive four wheels, four driving motors and brake fixed installation respectively On the mounting rail 7 of framework 4 both sides, it is arranged so as to advantageously reduce the height of floor.

As in figure 2 it is shown, framework 4 includes 8, two end carriages 9 of two curb girders and two mounting rails 7, two curb girders 8 horizontal Outside on (referring to width of the carbody direction) is respectively arranged to install and drives motor and the mounting rail 7 of brake, is installing The Holder for hanging household utensiles of magnetic rail brake device it is provided with on beam 7.In the present embodiment, curb girder 8 is integrated casting beam, and mounting rail 7 is box-girder, by Top board, base plate and side plate splicing are welded, and top board, base plate and side plate all use corrosion resistant plate, curb girder 8 and mounting rail 7 expansion Body is π shape structure, and curb girder 8 and mounting rail 7 docking are welded to connect, and mounting rail 7 forms " II " shape structure after welding with curb girder 8.Two Individual end carriage 9 is symmetricly set on two curb girders 8 both sides on car body longitudinally (referring to length over ends of body direction), and end carriage 9 is " mouth " Glyph framework beam, end carriage 9 is integrated casting beam, is also welded and fixed for docking between end carriage 9 with curb girder 8, on the one hand can strengthen The integrated carrying ability of end carriage 9 and structural strength, on the other hand can reduce again welding capacity, reduces processing technique difficulty, improves The manufacturability of framework 4.

Framework 4 uses steel plate and the structure of foundry goods Combination Welding, makes the welding interior stress of structure be down to minimum, and can be a large amount of Reduce welding capacity, improve the processing performance of framework and packaging efficiency, the integrally-built intensity of framework 4, rigidity, anti-fatigue performance and Bearing capacity is all largely increased, and can preferably meet the safe operation requirement of rail vehicle.

As shown in Figures 2 to 4, hang traction apparatus 5 and include that 10, two drawing pull bar of a bolster 16, eight are bullet Spring 13, two lateral dampers 14 of 12, four secondary springs and two vertical dampers 15 etc..

In the present embodiment, bolster 10 entirety is the structure of " V " font, and bolster 10 is with car body 2 by slew gear 3 even Connecing, the center of the centre of gyration between bolster 10 and car body 2 and framework 4 is not on same centrage, between two centrages Distance is 350mm.So, after bogie is arranged on car body 2, rotate with the centre of gyration of biasing, the most knot of bogie Structure is all placed on the front of car body 2, is i.e. placed on the underlying space of drivers' cab, so that bogie takies the sky of drivers' cab more Between, relatively reduce taking up room of a car compartment, be so more beneficial for improving the comfortableness taken, have the most to a certain extent It is beneficial to improve the handling capacity of passengers in compartment.And, bolster 10 is connected by slew gear 3 with car body 2, it is also possible to improve the little song of vehicle Line handling capacity, it is possible to height of floor from rail top is greatly reduced, is beneficial to setting of getting on or off the bus, and vehicle drive performance also obtains carrying more greatly Height, is the most also beneficial to reduce wheel and the abrasion of track.

Arranging four secondary springs 13 between lower section and the curb girder 8 of framework 4 of bolster 10, four secondary springs 13 are the most right Claim to be arranged on the bolster 10 both sides in cross-car.Arrange between two end carriages 9 and axle bridge (not indicating in figure) of framework 4 Have at eight primary springs 12, i.e. each angle of the end carriage 9 of " mouth " font and be respectively mounted a primary spring 12.Car at bolster 10 Body both sides transversely are respectively mounted a lateral damper 14 and a vertical damper 15, lateral damper 14 and vertical subtract The device 15 that shakes, in order to the oscillation crosswise of car body of decaying and vertical vibration, improves the comfortableness taken, lateral damper 14 and vertical subtract The other end of device 15 of shaking is arranged in the opening surrounded by mounting rail 7 and curb girder 8 and is fixed on the side plate inside mounting rail 7, This mounting structure makes the overall structure of bogie compacter, is more favorable to reduce the height of floor.

As shown in Figures 2 to 4, the side of bolster 10 is connected with the end carriage 9 of framework 4 one end by two drawing pull bar 16, Two drawing pull bar 16 are arranged on the centre of two curb girders 8 of framework 4, and bolster 10 and drawing pull bar 16 cloth postpone overall in flat The structure of shape, can reduce the height on floor further.

The bolster 10 side on car body is longitudinal is connected, not only with the end carriage 9 of framework 4 one end by two drawing pull bar 16 When vehicle run traction and the transmission of brake force can be better achieved, carry vertical, horizontal, longitudinal loading, bolster 10 is by two The parallel drawing pull bar 16 of root is connected with the end carriage 9 of framework 4, it is also possible to utilize two parallel drawing pull bar 16 to play anti-side rolling The effect of torsion bar, makes vehicle run more steady, and eliminates anti-rolling device separately installed on existing bogie, simplify The structure of bogie.

As shown in Figure 5 and Figure 6, the structure of drawing pull bar 16 includes the pull bar 16a and the ball pivot 16b at both ends of centre, draws Two ends of bar 16a all take the shape of the letter U structure, and two ball pivot 16b are inserted in U-shaped structure respectively by securing member and pull bar 16a Fixing connection.Ball pivot 16b is made up of the ball pivot axle at center and the ball pivot set of outer layer, and ball pivot axle and ball pivot set are cut with scissors by sphere curved surface Connecing cooperation, ball pivot set is connected with pull bar 16a.One connection seat 16c of each installation on two ball pivot axles of each ball pivot 16b, two Individual connection seat 16c is symmetricly set on the both sides of this end ball pivot 16b, and connecting seat 16c is cylindrical elastomeric material, and its center has Installing hole (does not indicates in figure), coordinates fixing with the ball pivot axle of ball pivot 16b.

As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 7, in the present embodiment, bolster 10 is the structural member of integral casting forming, not only may be used To ensure its bulk strength and rigidity, it is to avoid the welding stress that Welding Structure produces, the bearing capacity of bolster 10 is greatly improved, also Thickness and the weight of bolster 10 can be reduced, be beneficial to reduce the height of floor, the most also be beneficial to vehicle and realize lightweight.

As it is shown in fig. 7, bolster 10 be provided with towards the side (i.e. the inner side of the angle of " V " character form structure) of end carriage 9 with The first drawing pull bar mounting interface 18 that drawing pull bar 16 connects, dismounts for convenience, and the first drawing pull bar mounting interface 18 is adopted With the structure of two-piece unit, the top half of the first drawing pull bar mounting interface 18 and bolster 10 integrally casting molding, first leads The top half of bar mounting interface 18 of being pulled is the multiple downward projection of arch hatch frame arranged in bolster 10 side, in order to Reduce the setting height(from bottom) of drawing pull bar 16 in entirety, and then be beneficial to reduce the height of floor.The quantity of arch opening and traction Pull bar 16 quantity is corresponding, and two drawing pull bar 16 are installed in the side of bolster 10, so the quantity of the arch opening of bolster 10 side It is two, is formed and on three sidewalls of two arch openings, be respectively provided with downwardly open semicircle opening, the first drawing pull bar peace The latter half of attaching mouth 18 is the most independently installed four piece mounting blocks, and the sidewall of corresponding each arch opening both sides is each fixing Connecting a mounting blocks, middle sidewall is fixing connects two mounting blocks, has the most respectively on four mounting blocks of the latter half There is the semicircle opening of upward opening, formed complete after two part snap-fit docking up and down of the first drawing pull bar mounting interface 18 The first circular installing port 19, the connection seat 16c at drawing pull bar 16 two ends is separately fixed at two the first relative installing ports In 19, two parts up and down forming each first installing port 19 connect by four bolts 20 are fixing.

In the present embodiment, the upper surface of bolster 10 has the part of concave downward, the first drawing pull bar mounting interface The upper surface of 18 is the part of bolster 10 upper surface concave downward, and such purpose reduces drawing pull bar 16 also for entirety Setting height(from bottom), be beneficial to reduce floor height.

Upper and lower two parts of the first drawing pull bar mounting interface 18 after fastening by the connection seat of drawing pull bar 16 end 16c is tightly fixed in the first installing port 19, finally upper and lower two parts is fixed together realization traction with four bolts 20 The fixed installation of pull bar 16.As shown in Figure 5 and Figure 6, fix, in each company with the first drawing pull bar mounting interface 18 for convenience A pin-and-hole 21 it is provided with on the excircle of joint chair 16c, as it is shown in fig. 7, correspondingly upper at the first drawing pull bar mounting interface 18 It is also provided with a pin-and-hole 11 in part or lower part, an alignment pin is installed during installation in the pin-and-hole 21 connecting seat 16c, leads with first The pin-and-hole 11 being pulled on bar mounting interface 18 coordinates, and makes drawing pull bar 16 accurately to install, and can improve installation effectiveness.

As it is shown in fig. 7, in the present embodiment, in order to strengthen the fixing intensity of the first drawing pull bar mounting interface 18, make traction Pull bar 16 can fixedly secure, and is arranged above one piece of installing plate 22, each two phase at the first drawing pull bar mounting interface 18 Adjacent two bolts 20 arranged are correspondingly arranged one piece of installing plate 22.Installing plate 22, in step-like structure, is arranged on subordinate's step There are two bolts hole, in order to installing plate 22 to be fixed on through bolt 23 top half of the first drawing pull bar mounting interface 18 On, higher level's step is provided with two bolts hole (not indicating in figure), these two bolts hole correspondence respectively and the first of lower section Bolt hole on drawing pull bar mounting interface 18 is through, and bolt 20 is also cross the bolt on the first drawing pull bar mounting interface 18 The bolt hole on higher level's step on hole and installing plate 22 connects fixing for two parts up and down of the first drawing pull bar mounting interface 18 It is connected together.

As shown in Fig. 2, Fig. 3 and Fig. 9, the sidewall of end carriage 9 is installed with the second drawing pull bar mounting interface 40, Being provided with four the second drawing pull bar mounting interfaces 40 on sidewall altogether, four the second drawing pull bar mounting interfaces 40 are disposed side by side on On the sidewall of end carriage 9, middle two the second drawing pull bar mounting interfaces 40 are closely packed together fixing or are integral type structure, four Second drawing pull bar mounting interface 40 is for fixing four connection seat 16c of two drawing pull bar 16 ends.

Second drawing pull bar mounting interface 40 is designed to Split type structure, is divided into left and right two parts, each part has one Semicircle opening, forms the second complete installing port 42 after two part snap-fit, for accommodating the connection of drawing pull bar 16 end Seat 16c.Having positioning convex 78 on one of, correspondingly the sidepiece at end carriage 9 has detent 79, by second during installation Positioning convex 78 on drawing pull bar mounting interface 40 is stuck in the detent 79 of end carriage 9, by the two of drawing pull bar 16 end Individual connection seat 16c is correspondingly placed in the semicircle opening of both sides, then is fastened by another block, and fixes two pieces with four bolts 43 Link together, and then the connection seat 16c of drawing pull bar 16 end is fixed.

On a side of " mouth " font end carriage 9, corresponding four the second drawing pull bar mounting interfaces 40 have three installations and open Mouth groove 41, has osculum in the bottom of each construction opening groove 41, and construction opening groove 41 can be in the upper and lower surface of end carriage 9 Being each provided with three, be respectively used to that two rows bolt with the second drawing pull bar mounting interface 40 43 is fixing to be connected, installation is opened Mouth groove 41 can also use the hatch frame of up/down perforation.The bolt 43 that corresponding each two is adjacent in construction opening groove 41 is arranged One installing plate 80, installing plate 80 has two internal thread holes, and bolt 43 its afterbody after side is inserted is twisted with installing plate 80 Fasten, the fixing of drawing pull bar 16 can be completed, not only can ensure that the overall construction intensity of end carriage 9, also make to operate non- The most simple and convenient, installation effectiveness is greatly improved.As when the first drawing pull bar mounting interface 18 is installed, connecting during installation In the pin-and-hole of seat 16c, an alignment pin is installed, coordinates with the pin-and-hole on the second drawing pull bar mounting interface 40, make drawing pull bar 16 energy Enough accurately installations, and installation effectiveness can be improved.

In the present embodiment, cylindrical connection seat 16c is set in the end of drawing pull bar 16, installs with the first drawing pull bar Interface 18 and the first circular installing port 19 of the second drawing pull bar mounting interface 40 and the second installing port 39 coordinate fixing, longitudinally Transmission power is realized by complete circular binding face, not only can improve longitudinal transmission capacity, and can alleviate abrasion, simultaneously The two ends of drawing pull bar 16 arrange ball pivot so that it is have less lateral stiffness, meet between car body and bogie big horizontal Displacement and length travel, improve longitudinal traction ability, and certain elastic deformation can occur when sidewindering, thus play The effect of anti-side rolling, improves anti-side rolling ability, further increases the overall performance of traction apparatus.

As shown in Figure 7 and Figure 8, slew gear 3 includes slewing bearing 24, have at the center of bolster 10 upper surface to The containing cavity 25 of lower indent, installs slewing bearing 24 in containing cavity 25, and the outer ring of slewing bearing 24 is by multiple Bolt 26 is fixing with bolster 10 to be connected, and containing cavity 25 i.e. can protect slewing bearing 24, can improve again revolving support axle Hold the bearing capacity of 24.Arranging the bolt hole 27 that a circle runs through on bolster 10, bolt hole 27 is counter sink, and multiple bolt 26 is the end of from Portion's correspondence is fixing with slewing bearing 24 in being inserted into bolt hole 27 to be connected, and the head of bolt 26 is positioned at counter sink after installing Inside, such purpose is to install for convenience, it is to avoid the head of bolt 26 extend out to the outside of bolster 10, also functions to guarantee Effect.The inner ring of slewing bearing 24 is connected by multiple bolts 28 are fixing with vehicle body bottom frame (not shown), convenient behaviour Make personnel to be fixed with slewing bearing 24 by vehicle body bottom frame from the top of vehicle body bottom frame by outer ring bolt 28.By revolution Support bearing 24 carries vertical, vertical and horizontal load, and slewing bearing 24 can realize 360 degree of rotations, it is achieved surface car The requirement of too small curve (such as 25m), improves the little curve negotiation ability of vehicle.

As shown in Figure 7 and Figure 8, bolster 10 is also equipped with a set of oil filling mechanism 29, is used for as slewing bearing 24 Oiling, to ensure that slewing bearing 24 normally works.Oil filling mechanism 29 includes one group of pump nozzle, in the present embodiment, for ensureing Oiling effect, makes lubricating oil be distributed more uniformly across in slewing bearing 24, is provided with eight pump nozzles, eight pump nozzles altogether Connecting eight oil fuel tubes 30 respectively, the end of eight oil fuel tubes 30 is separately installed with a straight-through type pipe joint, and oil fuel tube 30 leads to Cross the connection of straight-through type pipe joint and slewing bearing 24.

The lamina tecti (not shown) of one activity is installed on the vehicle body bottom frame above corresponding slewing bearing 24, When needs oiling, opening lamina tecti and can spill the pump nozzle of lower section, oiling terminates rear top cover plate, the most permissible Realize at any time slewing bearing 24 being carried out oiling, also facilitate simple and direct, also allow for regular maintenance.

As shown in Figure 8 and Figure 9, an extension 33, extension are extended downwardly from the center of the lower surface of bolster 10 33 is one-body molded with bolster 10.Corresponding extension 33 is provided with an opening inserted for extension 33 on the end carriage 9 of framework 4 34, opening 34 is arranged in stopping seat (not shown), and only quick-fried the connecing of joint chair is fixed on end carriage 9.

As shown in Figure 8, the sidewall of opening 34 both lateral sides is provided with two horizontal backstops 35, two horizontal backstops 35 Below two lateral bolster 10, the direction of extension 33 is stretched out simultaneously, and the extension 33 below bolster 10 the most only stretches to two Between gear 35, and and laterally leave horizontal backstop gap between backstop 35.Vehicle operation plays the most only The effect of gear, to limit the vehicle lateral displacement beyond normal degree of freedom, in order to avoid vehicle to be sent out by some small curve radius The dangerous working conditions such as raw rollover.

In the present embodiment, horizontal backstop 35 is made up of three-decker, respectively wearing layer 35a, rubber layer 35b and backplane level 35c, wearing layer 35a are positioned at the top layer that the extension 33 with bolster 10 contacts, by the extension 33 of wearing layer 35a Yu bolster 10 Contact, wearing layer 35a uses the nylon material of high abrasion characteristic, utilizes nylon material to have wear-resisting feature, the most only improves The service life of gear 35.Rubber layer 35b is arranged between wearing layer 35a and backplane level 35c, rubber layer 35b and backplane level 35c sulfur Changing one-body molded, wearing layer 35a and rubber layer 35b sticks with glue together with knot.Backplane level 35c is fixed on end carriage 9 by bolt 36 On opening 34 sidewall on.As shown in Figure 8, the sidewall of end carriage 9 has installing hole, passed on end carriage 9 by bolt 36 Installing hole and horizontal backstop 35 backplane level 35c fixing be connected, and then horizontal backstop 35 is fixed on end carriage 9.

This horizontal backstop 35 is under the elastic characteristic ensureing horizontal backstop 35 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 the rolling that brings Dynamic, improve running stability, add the comfortableness taken, and simple in construction, dependable performance, durability characteristics is strong.

When installing horizontal backstop 35, existing car is needed to regulate between top and the extension 33 of bolster 10 of horizontal backstop 35 Horizontal backstop gap size, between the backplane level and the sidewall of end carriage 9 of horizontal backstop 35, pad one or more adjusting pad again Sheet, easy to adjust fast.

Respectively stretch out a longitudinal stopper section to the direction of extension 33 on two sidewalls on the inside of opening 34 is longitudinal, The effect of longitudinal load-bearing is played in longitudinal stopper section, and when drawing pull bar 16 lost efficacy, longitudinal stopper section coordinates with extension 33 and remains to Drive vehicle runs.

As shown in Figures 2 and 3, arranging four secondary springs 13 between the curb girder 8 of bolster 10 and framework 4, four two are Spring 13 is along the lateral symmetry both sides being arranged on extension 33 of framework 4, and the structure of four secondary springs 13 is identical.

As shown in Figure 10, each secondary spring 13 is formed by the spring of upper padding plate 53, lower bolster 54 and centre, middle Spring section uses double steel coil spring, is made up of interior spring 55 and outer spring 56, not only compact overall structure, and stability is good, also may be used To improve the stability that vehicle runs, meet the requirement of big volume of passenger traffic carrying, be particularly well-suited to space between car body and bogie tight The low-floor city railway vehicle opened.

Upper padding plate 53 is made up of the rubber layer of upper strata metallic plate, lower metal plate and centre, rubber layer and upper strata metallic plate, Lower metal plate sulfides, and upper padding plate 53 has a centre bore.Corresponding upper padding plate 53 is arranged on the lower surface of bolster 10 First mounting groove 57 of one upwards indent, has the installation portion 58 of downwardly projecting annular at the center of the first mounting groove 57, Installation portion 58 matches to merge with the centre bore of upper padding plate 53 and is inserted in centre bore, plays the effect that location is fixing, and first installs The diameter of groove 57 coordinates with upper padding plate 53, realizes fixing, centre bore card simultaneously in making upper padding plate 53 be stuck in the first mounting groove 57 At installation portion 58, and then realize upper padding plate 53 and be connected with the fixing of bolster 10, without using between upper padding plate 53 and bolster 10 Traditional bolted mode, makes installing/dismounting the most simple and convenient, makes installing/dismounting the most simple and convenient, decreases fastening The operation and maintenance of part, and make secondary spring 13 structure the compactest so that this device be more suitable for car body and bogie it Between the nervous low-floor rail vehicle in space.

Lower surface at the lower metal plate of upper padding plate 53 has downwardly projecting upper spring positioning convex ringwise 53a, upper spring positioning convex 53a are between interior spring 55 and outer spring 56, and upper spring positioning convex 53a is metallic plate and lower floor Metallic plate welds together or one-body molded.

As shown in Figure 10, on the curb girder 8 of framework 4, corresponding each secondary spring 13 is provided with the second mounting groove 39, and second Mounting groove 39 is embedded in the inside of curb girder 8 or uses the mode sunk to be arranged on curb girder 8, the second mounting groove 39 and curb girder 8 one Body casting.The diameter of the second mounting groove 39 coordinates with lower bolster 54, real in making lower bolster 54 be stuck in the second mounting groove 39 Now fix.Lower bolster 54 is made up of positioning seat and adjusting pad, and positioning seat is metallic plate, and the upper surface of positioning seat has one equally Lower spring positioning convex 54a ringwise protruding upward, lower spring positioning convex 54a between interior spring 55 and outer spring 56, Lower spring positioning convex 54a is metallic plate, fits together with positioning seat or one-body molded.After installation, lower bolster 54 fixes Realize between secondary spring 13 with curb girder 8 bottom second mounting groove 39 of framework 4 fixing is connected, lower bolster 54 and curb girder 8 it Between same without using traditional bolted mode, make installing/dismounting the most simple and convenient, decrease the use of securing member And maintenance, make secondary spring 13 structure the compactest the most further.The second mounting groove 39 on curb girder 8, for turbination structure, While fixing secondary spring 13, it is also possible to avoid when vehicle runs, secondary spring 13 and the inwall of the second mounting groove 39 Collision.In the present embodiment, the top and bottom of secondary spring 13 is respectively embedded into and is arranged in bolster 10 and curb girder 8, this structure The setting height(from bottom) of bolster 10 can be reduced, and then the height of floor can be reduced further.

Upper spring positioning convex 53a and lower spring positioning convex 54a mono-aspect serve damping effect, on the other hand, and this Plant " protruding " structure interior spring 55 and outer spring 56 to be separated, when vehicle needs by little curve, i.e. produce greatly when secondary spring 13 During displacement, decrease interior spring 55 and the probability of outer spring 56 collision, efficiently avoid the unstability of secondary spring 13.

The adjusting pad of lower bolster 54 is divided into two kinds of different structures, and one is interior spring adjusting pad, and interior spring adjusting pad is rubber blanket, It is arranged on the bottom of the interior spring 55 of inner ring of lower spring positioning convex 54a, for the tune of spring 55 in ordinance load compression relative superiority or inferiority Whole, another kind is outer spring adjusting pad, and outer spring adjusting pad is rubber blanket, and the outer ring being arranged on lower spring positioning convex 54a is outer spring The bottom of 56, for the adjustment of outer spring 56, high with spring 55 and outer spring 56 compression under same service load in ensureing, Jin Erbao Operating steadily between card car body and bogie.Meanwhile, upper padding plate 53 utilizes the pliability of rubber layer to significantly reduce steel spring The vibration brought and impact.

Being provided with tubular protective cover 59 between the first mounting groove 57 and the second mounting groove 39, secondary spring 13 is enclosed in In protective cover 59, protective cover 59 is preferably made up of the nitrile rubber integrated vulcanizing of oil resistant, fine corrosion resistance.Protective cover 59 by Upper Access Division, middle cylindrical part and lower Access Division composition, middle cylindrical part uses wavy shaped configuration, upper Access Division and lower Access Division It is sealedly and fixedly connected respectively on the first mounting groove 57 and the second mounting groove 39, is not only advantageous to the peace installation and dismantling of protective cover 59 Unload, also secondary spring 13 is sealed in protective cover 59, prevent greasy dirt, water droplet etc. from penetrating 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 steel spring under different loads The sealing of deformation.

Vehicle, when high-speed cruising, owing to circuit question can produce vertical vibration, and then can produce vertical impact to car body, In order to avoid there is overshoot phenomenon, limit the vertical vibration distance that car body is maximum, it is to avoid exceed gauge, as it is shown in fig. 7, this enforcement In example, being additionally provided with lift between bolster 10 and framework 4, lift not only can limit vertical the shaking of car body maximum Dynamic distance, may also operate as the effect of bogie integral lifting simultaneously.

As illustrated in fig. 7 and fig. 10, lift is four lifting bars 37 altogether, and the main body of lifting bar 37 is the cylinder of a rigidity Body, is arranged between the curb girder 8 of bolster 10 and framework, and four lifting bars 37 are symmetricly set on bolster 10 both sides transversely, this In embodiment, four lifting bars 37 being preferably separately mounted to the centre of four secondary springs 13, i.e. lifting bar 37 is through interior spring The center of 55, the top of lifting bar 37 is connected with bolster 10 by upper connection assembly, and the bottom of lifting bar 37 is by lower connection group Part is connected with the curb girder 8 of framework 4.Use four lifting bars 37, not only can ensure that bonding strength during lifting, can protect simultaneously Hold balance during lifting, lifting bar 37 is arranged through secondary spring, while reaching lifting effect so that overall lifting dress The structure put is compacter, has reasonably used secondary spring internal structural space, decreases taking of lift space, makes This device is particularly well-suited to the low-floor city railway vehicle that between car body and bogie, space is nervous.And, use four and carry Suspension rod 37, it is ensured that when there being lifting bar 37 to rupture, other lifting bar 37 still can ensure that overall lifting.

As illustrated in fig. 7 and fig. 10, upper connection assembly includes that sheath 62, connecting pin 63 are installed in lifting mounting seat 61, lifting And connecting seat 65, the center being positioned at the first mounting groove 57 on bolster 10 has the lifting installing hole 60 run through, and lifting is installed Hole 60 is a T-shaped counterbore, installs the upper lifting mounting seat 61 that vertical section is π shape, the top of upper lifting mounting seat 61 in T-shaped counterbore Portion is stuck in lifting installing hole 60, is additionally provided with a circle sealing ring between upper lifting mounting seat 61 and the inwall of bolster 10, connects Seat is 65 substantially in inverted T-shaped, in the partial insertion supreme lifting mounting seat 61 that its top is prominent, by connecting pin 63 by carry Hanging mounting seat 61 and be connected seat 65 and be fixed together, the top of lifting bar 37 is fixed on connection seat 65 by steady pin 38 On, it being socketed with a lifting in the periphery connecting seat 65 and upper lifting mounting seat 61 and sheath 62 is installed, the end of sheath 62, is installed in lifting Portion is connected by multiple bolts 64 are fixing with the top of lifting bar 37.

Lower connection assembly includes that lower lifting mounting seat 66, lower lifting mounting seat 66 are removably mounted at the second peace of curb girder 8 The bottom of tankage 39, lower lifting mounting seat 66 is arranged on the centre of interior spring 55, and it is the structure protruding upward of hollow.Lower lifting The bottom of mounting seat 66 has outwardly directed multiple erecting bed 72, and the bottom of the second mounting groove 39 is provided with mounting groove 73, Erecting bed 72 realizes the fixed installation of lower lifting mounting seat 66 in being stuck in mounting groove 73.The roof of lower lifting mounting seat 66 is opened Having lifting opening 67, the bottom of lifting bar 37 enters in lower lifting mounting seat 66 through lifting opening 67, the bottom of lifting bar 37 Being provided with a bayonet socket 68, the diameter of bayonet socket 68, more than the diameter of lifting opening 67, has step-like at the central through hole of bayonet socket 68 Structure, is correspondingly provided with the stopper section 71 protruding ringwise of one, the step-like structure card of bayonet socket 68 on lifting bar 37 On stopper section 71, the lifting bar 37 below bayonet socket 68 having external screw thread, it fastens a nut 69, bayonet socket 68 is defined Between stopper section 71 and nut 69, the inner ring at bayonet socket 68 is additionally provided with a circle sealing ring 70.Bayonet socket 68 and lifting opening 67 Between there is certain distance, this distance be prevented punching distance, after installation, if bolster 10 moves up on vertical, Bayonet socket 68 bottom lifting bar 37 i.e. may be stuck at lifting opening 67, and then can avoid punching.Meanwhile, this lifting bar 37 is rising When hanging, bayonet socket 68 is stuck on framework 4, it is achieved bogie and the integral lifting of car body, and whole lift is installed, dismantled the most very Convenient.Lower lifting mounting seat 66 is arranged on the centre of interior spring 55, while playing the effect preventing punching and overall lifting, also Secondary spring 13 can be prevented effectively from vehicle operation, produce bigger rocking.

As shown in Fig. 2, Fig. 3, Fig. 7, Figure 11, Figure 12, it is positioned at the bolster 10 both sides in cross-car and is each provided with one Outwardly directed vibroshock mounting seat 32, vibroshock mounting seat 32 is symmetricly set on the outside of secondary spring 13, and vibroshock is installed Seat 32 and bolster 10 integrally casting molding.Each vibroshock mounting seat 32 is provided with a lateral damper 14 and one hang down It is fixedly mounted in vibroshock mounting seat 32 by bolt to vibroshock 15, lateral damper 14 and vertical damper 15 simultaneously.

Vibroshock mounting seat 32 is step-like structure at the sidepiece of bolster 10, opens in the position of the first order step of inner side There is a construction opening 75, the sidewall of construction opening 75 has bolt hole 17, be used for being bolted lateral damper 14, Have another bolt hole 76 on the position of outermost second level step, be used for being bolted vertical damper 15.Subtract The structure of device mounting seat 32 of shaking is not only simple, and is prone to lateral damper 14 and the installation and removal of vertical damper 15.

As shown in figure 12, lateral damper 14 is identical with the structure of vertical damper 15, by vibroshock body 44, first Connecting rod the 45, second connecting rod 46 forms, and the shell of vibroshock body 44 has four installing holes, subtracting of vertical damper 15 The device body 44 that shakes is by being bolted directly on the inner side side plate of mounting rail 7, and the vibroshock body 44 of lateral damper 14 is first Being bolted on lateral damper and fix on seat 77, lateral damper is fixed seat 77 and is bolted on mounting rail 7 again Inner side side plate on, the sidewall of mounting rail 7 is provided with lateral damper and fixes seat and seat fixed by vertical damper, first even One end of extension bar 45 and vibroshock body 44 is fixing to be connected, and the other end and the second connecting rod 46 connect, the second connecting rod 46 another One end is connected with the vibroshock mounting seat 32 of bolster 10 sidepiece.The two ends of the second connecting rod 46 and head rod 45 and vibroshock Connected by an oscillating bearing 47 between mounting seat 32.The outer ring of oscillating bearing 47 is connected with the second connecting rod 46, joint shaft The inner ring holding 47 installs connection one connecting shaft 48, and connecting shaft 48 stretches out the bolt hole 76 being inserted into vibroshock mounting seat 32 from side With in bolt hole 17, and it is bolted.Attachment structure between second connecting rod 46 and the first head rod 45 is therewith Identical.

As shown in figure 12, in the present embodiment, the second connecting rod 46 being divided into two sections, centre is connected by one section of connecting rod 49, Being threaded connection between connecting rod 49 and two section of second connecting rod 46, this structure can facilitate the second connecting rod 46 and two ends Head rod 45 and lateral damper fix seat or the fixing connection of seat fixed by vertical damper.

As shown in figure 12, the outside at the oscillating bearing 47 at the second connecting rod 46 two ends is respectively cased with a dust cover 50.As Shown in Figure 13, dust cover 50 is made for elastomeric material, have two openings 51 and opening 52, opening 51 and opening 52 towards in 90 degree, an opening 51 is used for overlapping the second connecting rod 46, and another opening 52 was for overlapping the company being connected with the second connecting rod 46 Spindle 48, the diameter of opening 52 is slightly less than the diameter of connecting shaft 48, and its round edge is taper so that herein can be the closeest after installation Envelope, the diameter of another opening 51 is bigger, convenient installation, is tightened by band 74 and be fixed in the second connecting rod 46 after installation.? Dust cover 50, near the position of opening 52, has wave structure, is improving enough distortion allowances.Below the second connecting rod 46 Oscillating bearing 47 on also there is pouring orifice.

As is illustrated by figs. 11 and 12, the head rod 45 of lateral damper 14 is vertical setting, its second connecting rod 46 is horizontally set, and the head rod 45 of vertical damper 15 is horizontally set, and its second connecting rod 46 is vertical setting Put, owing to each junction all uses oscillating bearing 47 to connect, when producing oscillation crosswise or vertical vibration when the vehicle is running, the Two connecting rods 46 horizontal or vertical on can in certain angle swing, and then drive head rod 45 swing, vibroshock this Body 44 limits the pendulum angle of head rod 45, so play in the horizontal with vertical on damping effect.

Lateral damper 14 and vertical damper 15 are arranged on the both sides of bolster 10 and the installation of framework 4 by this utility model Between the sidepiece of beam 7, lateral damper 14 and vertical damper 1 are arranged in the opening surrounded by mounting rail 7 and curb girder 8 and solid It is scheduled on the side plate inside mounting rail 7, and vibroshock body 44 is by head rod 45 and the second connecting rod 46 and conduct The framework 4 of vibration source connects, and the rotary motion of vibroshock body 44 is not only changed into the linear motion of the second connecting rod 46, has Effect achieves laterally and the amplification of vertical deviation, makes the damping regulating effect of vibroshock strengthen, and regulation is more flexible, also makes to turn Simpler compact to the structure of frame, minimizing takes up room, and is more favorable to reduce height of floor from rail top.

As it is shown in fig. 7, on two angles of bolster 10 upper surface, i.e. the position of vibroshock mounting seat 32 is additionally provided with two Individual cavity 31, arranges cavity 31 and can play the effect of reinforcement herein, improves structural strength and the rigidity of whole bolster 10, Also function to the effect of loss of weight simultaneously.Also having a discharge outlet in two cavitys 31, discharge outlet runs through bolster 10, with side Just interior rainwater and flushing water discharge in cavity 31 is accumulated in.

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 not take off From the content of technical solutions of the utility model, according to technical spirit of the present utility model above example is made any simply Amendment, equivalent variations and modification, all still fall within the range of technical solutions of the utility model.

Claims (10)

1. a low-floor rail vehicle truck bolster structure, including bolster, is provided with slew gear on described bolster, its Be characterised by: described bolster is in the shape of the letter V structure, described bolster car body longitudinally on side be provided with and be connected with drawing pull bar The first drawing pull bar mounting interface, extend downwardly from an extension in the center of the lower surface of described bolster, described in shake Pillow is connected with car body by slew gear, and the lateral symmetry in the cross-car of described bolster is provided with vibroshock mounting seat.

Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: described bolster, One drawing pull bar mounting interface, extension, vibroshock mounting seat are integrated cast structure.

Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: described vibroshock is pacified Dress seat be step-like structure, the step of inner side is provided with construction opening, the sidewall of construction opening is provided with for The bolt hole of lateral damper is installed, the step in outside has the bolt hole for installing vertical damper.

Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: described first traction Pull bar mounting interface is the structure of split, is respectively arranged with semicircular opening and is total to after fastening in two parts of split With organizing conglobate the first installing port for installing drawing pull bar end, two parts are bolted to connection.

Low-floor rail vehicle truck bolster structure the most according to claim 4, it is characterised in that: described first traction The top half of pull bar mounting interface is the multiple downward projection of arch hatch frame arranged in described bolster side, and first leads The be pulled the latter half of bar mounting interface is the most independently installed multiple mounting blocks, the sidewall of corresponding each arch opening both sides One mounting blocks of each fixing connection.

Low-floor rail vehicle truck bolster structure the most according to claim 5, it is characterised in that: described first traction The upper surface of pull bar mounting interface is the part of described bolster upper surface concave downward.

Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: on described bolster Being provided with lift, the bottom of described lift is connected with the curb girder of framework.

Low-floor rail vehicle truck bolster structure the most according to claim 7, it is characterised in that: described lift For many lifting bars, the quantity of described lifting bar is corresponding with the quantity of secondary spring, pacifies respectively inside each secondary spring Fill a lifting bar.

Low-floor rail vehicle truck bolster structure the most according to claim 1, it is characterised in that: at described bolster Being provided with the first mounting groove of upwards indent on lower surface, the top of secondary spring embeds and is arranged in the first mounting groove.

10. a bogie, it is characterised in that: install on described bogie just like shaking described in any one of claim 1-9 Pillow structure.