CN205872074U - Low floor railway vehicle lifting device and bogie - Google Patents

Abstract

The utility model relates to a low floor railway vehicle lifting device and bogie installs between truck bloster and framework, lifting device includes that at least one is carried the jib, corresponds on the framework it opens to carry and hangs the opening to carry the jib, the bottom of carrying the jib has a diameter and is greater than and carries the bayonet socket that hangs the opening diameter, the bottom of carrying the jib stretch into to carry and hang the open -ended below, the bayonet socket with carry and hanging between the opening to the distance of vertical backstop. The utility model discloses not only the simple compactness of overall structure can play the effect of vertical backstop in addition, and restriction automobile body the biggest vertical vibration distance effectively avoids the vehicle to surpass the boundary limit, improves the travelling comfort and the equilibrium of operation that the vehicle was taken, also is favorable to reducing the height of ground face simultaneously, when needs wholly lift by crane the bogie, carries the jib and can play the function that the bogie wholly lifted by crane.

Description

A kind of low-floor rail vehicle lift and bogie

Technical field

This utility model relates to the bogie of a kind of rail vehicle, particularly to one at low-floor articulated track vehicle The lift of upper use, 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 running vehicle performance, simultaneously need to provide a kind of at this On bogie install can realize simultaneously avoid vehicle cross punching and the lift of bogie integral lifting function.

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, be beneficial to fall Low-floor face height, and can realize avoiding vehicle to cross punching and the low-floor rail vehicle lifting of bogie integral lifting function simultaneously Device, provides a kind of bogie being provided with this lift simultaneously.

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

A kind of low-floor rail vehicle lift, is arranged between bolster and framework, and described lift includes at least A piece lifting bar, the most corresponding described lifting bar has lifting opening, the bottom of described lifting bar have greater diameter than The bayonet socket of lifting opening diameter, the bottom of described lifting bar stretches to the lower section of described lifting opening, and described bayonet socket carries with described Hang the distance for backstop between opening.

Further, described lifting bar is two, and two described lifting bars are symmetricly set on the lower section of bolster along cross-car,

Further, extending downwardly from an extension in the center of the lower surface of described bolster, described extension inserts To the opening architecturally arranged, two described lifting bars are transversely symmetricly set on the both sides of extension.

Further, the main body of described lifting bar is an elongated cylinder, and the top of lifting bar has a T-shaped head, T shape The dual-side of head has spline plane, and the bottom of lifting bar has external screw thread, and externally threaded top has one section of diameter and is more than The stopper section of elongated cylinder diameter.

Further, having fixing port needing to install on the bolster lower surface of lifting bar, the top of lifting bar is arranged on solid Determining in mouth, have a mounting blocks in the lower section of lifting masthead end T-shaped head, mounting blocks is connected by bolt and bolster are fixing, peace The T-shaped head of described lifting bar is fixed on bolster by dress block after fixation.

Further, the inner ring of described mounting blocks has the conical surface matched in the bottom surface with lifting bar T-shaped head, mounting blocks The bottom of outer ring has step-like structure, is provided for the bolt hole through described bolt on step-like position.

Further, described bayonet socket is arranged on the excircle of stopper section, installs a positioning block in the lower section of described bayonet socket, institute The inner ring stating locating piece has step-like structure, and step-like structure stopper section with lifting bar after mounting leans, described fixed The lower section of position block is tightened a nut and is realized fixing in the bottom of lifting bar.

Further, the framework of described lifting opening part has the fovea superior part upwards caved in, and lifting opening is opened in this fovea superior On the roof of part, described bayonet socket is positioned at the inside of described fovea superior part.

Another technical scheme of the present utility model is:

A kind of bogie, is provided with lift as above.

Further, being provided with two bolster on bogie, two bolster are symmetricly set on and are framed in car body longitudinal direction Both sides, are provided with two lifting bars in the lower section of each bolster.

To sum up content, a kind of low-floor rail vehicle lift described in the utility model and bogie, at bolster Arranging lifting bar between lower section and framework, not only overall structure is the compactest, and the bayonet socket carrying boom foot is occurring vehicle During overshoot phenomenon, bayonet socket can be stuck in lifting opening part, plays the effect of vertical backstop, and then limits the vertical vibration that car body is maximum Distance, is prevented effectively from vehicle and exceedes gauge, improves comfortableness and the balance of operation of vehicle ride, is simultaneously also beneficial to reduce The height of floor.When needs are to bogie integral lifting, lifting bar can play the function of bogie integral lifting.

Accompanying drawing explanation

Fig. 1 is this utility model bogie structure schematic diagram；

Fig. 2 is this utility model frame construction schematic diagram；

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 this utility model damper structure schematic diagram；

Fig. 9 is this utility model drawing pull bar structural representation；

Figure 10 is the top view of Fig. 9；

Figure 11 is that this utility model bolster forms structural representation；

Figure 12 is the top view of this utility model bolster 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 this utility model bolster is connected with car body；

Figure 16 is this utility model oil nozzle mounting seat structural representation；

Figure 17 is the top view of Figure 16；

Figure 18 is this utility model horizontal stop configurations schematic diagram；

Figure 19 is this utility model lifting bar structural representation；

Figure 20 is that this utility model secondary spring forms mounting structure schematic diagram；

Figure 21 is that this utility model secondary spring forms structural representation；

Figure 22 is this utility model dust cover structure schematic diagram.

As shown in Fig. 1 to Figure 22, bogie 1, framework 2, hang traction apparatus 3, wheel is to 4, and wheel 5, bolster forms 6, leads The bar that is pulled composition 7, secondary spring composition 8, lateral damper 9, vertical damper 10, bolster 11, the first drawing pull bar is installed and is connect Mouth 12, containing cavity 13, slewing bearing 14, bolt 15, drawing pull bar 16, pull bar 16a, ball pivot 16b, connection seat 16c, first Installing port 17, bolt 18, car body connects seat 19, by mouth 20, inner ring bolt 21, outer ring bolt 22, underframe 23, annular boss 24, annular erecting bed 25, oil filling mechanism 26, pump nozzle 27, oil fuel tube 28, oil nozzle mounting seat 29, vertical receiving chamber 30, closure 31, first laterally contains chamber 32, band 33, cavity 34, discharge outlet 35, the first reinforcement 36, vibroshock mounting seat 37, bolt hole 38, the second installing port 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, adjustment pad 49, installing hole 50, lifting bar 51, fixing port 52, backing plate 53, locking backing plate 54, mounting blocks 55, Bolt 56, spline plane 57, sealing ring 58, lifting opening 59, bayonet socket 60, stopper section 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 first 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, the One connecting rod 88, the second connecting rod 89, bolt 90, oscillating bearing 91, connecting shaft 92, dust cover 93, opening 94, opening 95, prick Band 96, pouring orifice 97, second laterally contains chamber 98, and seat 99 fixed by vertical damper, and lateral damper fixes seat 100, turn-around machine Structure 101, lamina tecti 102, groove 103, nut 104, connecting rod 105.

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 rail vehicle bogie, it is arranged on low-floor articulated track vehicle, this rail Road 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 etc., drive Galvanic electricity machine uses four and drives four wheels 5 respectively, and four driving motors and brake are respectively and fixedly installed to framework 2 both sides Mounting rail 81 on, drive motor and brake to be arranged on the outside of wheel 5, be arranged so as to advantageously reduce the height on floor.

As in figure 2 it is shown, framework 2 includes 80, two end carriages 82 of two curb girders, in the centre of two curb girders 80 arranges one Heart crossbeam 77, two in the longitudinal direction (referring to length over ends of body direction) of two end carriage 82 centrally disposed crossbeams of Parallel Symmetric 77 Side, 80, two end carriages 82 of two curb girders and center crossbeam 77 form the frame structure of day font.Two curb girders 80 horizontal Outside on (referring to width of the carbody direction) 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 of center crossbeam 77 to be welded 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 composition (not shown), secondary spring composition 8, lateral damper 9 and vertical damper 10 etc..Bolster composition 6 and drawing pull bar group Becoming 7 to be two groups, the structure of two groups of bolster compositions 6 is identical, is separately mounted to often to organize and takes turns in two wheels 5 in 4 Between, two groups of bolster compositions 6 are connected by slew gear 101 respectively with the car body (not shown) in adjacent two joint compartments, pole The earth improves the little curve negotiation ability of vehicle, and height of floor from rail top can be greatly reduced, and is beneficial to setting of getting on or off the bus, vehicle Cornering ability also obtains bigger raising, is also beneficial to reduce wheel and the abrasion of track, can reduce in vehicle marshalling turning to simultaneously The configuration quantity of frame 1, 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 group bolster form 6 lower section and Two groups of secondary spring compositions 8 are set between the end carriage 82 of framework 2, are often organizing pacifying towards the side outside framework 2 of bolster composition 6 Equipped with a lateral damper 9 and two vertical dampers 10, two vertical dampers 10 are arranged on the car body of lateral damper 9 Both sides on horizontal direction, include four vertical dampers 10 and two lateral dampers 9, altogether in order to decline in each bogie 1 Subtract oscillation crosswise and the vertical vibration of car body, improve the comfortableness taken.

As shown in Fig. 3,4,5, often group bolster composition 6 is respectively by the center crossbeam of one group of drawing pull bar composition 7 with framework 2 77 connect, and two groups of drawing pull bar compositions 7 are arranged on the centre of two curb girders 80 and set up separately in the both sides of center crossbeam 77, and often group is led The bar that is pulled composition 7 includes one or more drawing pull bar 16, and the most often group bolster composition 6 is all by one or more drawing pull bar 16 Being connected with the center crossbeam 77 of framework 2, one end of drawing pull bar 16 and bolster composition 6 is connected, the other end then with the center of framework 2 Crossbeam 77 connects.Two groups of bolster compositions 6 and two groups of drawing pull bar form 7 cloth and postpone the overall structure in flat, can enter one Step reduces the height on floor.

In the present embodiment, the most often group drawing pull bar composition 7 includes two drawing pull bar 16, and the most often to form 6 equal for group bolster Being connected with the center crossbeam 77 of framework 2 by two drawing pull bar 16, two drawing pull bar 16 are arranged in parallel at framework 2 Between two curb girders 80.Two groups of bolster compositions 6 are connected, no with the center crossbeam 77 of framework 2 by two drawing pull bar 16 respectively But when vehicle run traction and the transmission of brake force can be better achieved, carry vertical, horizontal, longitudinal loading, and every is led The be pulled end of bar 16 is all connected directly between on the center crossbeam 77 of framework 2, makes two groups of bolster compositions 6 and two groups of drawing pull bar groups Becoming 7 not affect mutually, a bolster composition 6 does not interferes with the lengthwise movements that another bolster forms 6 when lengthwise movement, and one The vibratory impulse in individual compartment is also not transferred to another compartment, it is achieved the decoupling between two adjacent car bodies, can improve and take advantage of The comfortableness sat and reliability of operation.It addition, often group bolster composition 6 is by two parallel drawing pull bar 16 and framework 2 Center crossbeam 77 connects, it is also possible to utilizes two parallel drawing pull bar 16 to play the effect of anti-side rolling torsion rod, makes vehicle run More steady, and simplify the structure of bogie.

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, 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 cylinder, and its center has installing hole (figure In do not indicate), coordinate 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 include a bolster 11, bolster 11 entirety be one polygon The structure of shape, bolster 11 uses one piece casting structure, not only can ensure that its bulk strength and rigidity, it is to avoid Welding Structure produces Welding stress, the bearing capacity of bolster 11 is greatly improved, it is also possible to reduce the thickness of bolster 11 and weight, be beneficial to reduce floor The height in face, is the most also beneficial to vehicle and realizes lightweight.It is provided with towards the side of center crossbeam 77 at bolster 11 and draws with traction The first drawing pull bar mounting interface 12 that bar 16 connects, 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 reality Executing in example, 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 first and leads Be pulled bar mounting interface 12, and in order to two connection seat 16c of fixed traction pull bar 16 end, the side of the most each bolster 11 sets Putting four the first drawing pull bar mounting interfaces 12, four the first drawing pull bar mounting interfaces 12 are disposed side by side on bolster in in-line The side of 11, middle two the first drawing pull bar mounting interfaces 12 are closely packed together or are structure as a whole.Four first tractions are drawn The upper surface of bar mounting interface 12 is respectively provided with a reclinate arch section, is beneficial to the overall drawing pull bar that reduces and forms 7 Setting height(from bottom), and then be beneficial to reduce floor height.

Each first drawing pull bar mounting interface 12 has the circle connecting seat 16c for accommodating drawing pull bar 16 end Shape the first installing port 17, the ball pivot 16b of drawing pull bar 16 end is between two the first drawing pull bar mounting interfaces 12, often Four are arranged for the bolt hole (not shown) fixing bolt 18 on the both sides of individual first drawing pull bar mounting interface 12.

Dismount for convenience, in the present embodiment, four the first drawing pull bar mounting interfaces 12 are disposed as the knot of split Structure, is i.e. divided into upper and lower two parts, is respectively arranged with semicircular opening in upper and lower two parts, common group after fastening Conglobate first installing port 17, is correspondingly arranged on the bolt hole of fixing bolt 18 in upper and lower two parts, and the first traction is drawn The connection seat 16c of drawing pull bar 16 end is tightly fixed to first after fastening by upper and lower two parts of bar mounting interface 12 In installing port 17, finally with four bolts 18 upper and lower two parts are fixed together and realize the fixed installation of drawing pull bar 16. Wherein, the top half of the first drawing pull bar mounting interface 12 and bolster 11 are integrally machined molding, and the latter half is separately installed；Also The latter half of the first drawing pull bar mounting interface 12 and bolster 11 can be integrally machined molding, top half is separately installed. As shown in Figure 9 and Figure 10, fix, at the excircle of each connection seat 16c with the first drawing pull bar mounting interface 12 for convenience On be provided with a pin-and-hole 78, as it is shown in figure 5, correspondingly in the upper part or lower part of the first drawing pull bar mounting interface 12 also One pin-and-hole is set, an alignment pin 79 is installed in the pin-and-hole 78 connecting seat 16c, with the first drawing pull bar mounting interface 12 during installation On pin-and-hole coordinate, 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 fixing of the first drawing pull bar mounting interface 12 Intensity, makes drawing pull bar 16 to fixedly secure, and is arranged above one piece of installing plate at the first drawing pull bar mounting interface 12 41, two bolts 18 that each two is disposed adjacent are correspondingly arranged one piece of installing plate 41.Installing plate 41 is in step-like structure, in subordinate Two bolts hole it are provided with, in order to installing plate 41 is fixed on the first drawing pull bar mounting interface 12 through bolt 43 on step 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 12 is through, and bolt 18 is also cross the bolt on the first drawing pull bar mounting interface 12 The bolt hole on higher level's step on hole and installing plate 41 connects fixing for two parts up and down of the first drawing pull bar mounting interface 12 It is connected 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, is shaking The center resting the head on 11 upper surfaces has the containing cavity 13 of downward indent, installs slewing bearing 14, revolution in containing cavity 13 The border of support bearing 14 is connected by multiple bolts 15 are fixing with bolster 11, and containing cavity 13 i.e. can protect slewing bearing 14, the bearing capacity of slewing bearing 14 can be improved again.The bolt hole 38 that one circle runs through, bolt hole 38 are set on bolster 11 For counter sink, multiple bolts 15 are inserted in bolt hole 38 be connected fixing with slewing bearing 14, bolt 15 from bottom correspondence Head install after be positioned at the inside of counter sink, such purpose is to install for convenience, it is to avoid the head of bolt 15 extend out to The outside of bolster 11, also functions to the effect ensured.

As shown in figure 15, car body connection seat 19 is in a discoid structure, and car body connects the center of seat 19 to be had by mouth 20, form annular boss 24 along being raised up by mouth 20, the underframe 23 that annular boss 24 is inserted into car body when mounted is internal, Be beneficial to location is installed, inside and outside two circle bolts be set by the periphery of mouth 20, inner ring bolt 21 totally 12 with the underframe 23 of car body Fixing connect, outer ring bolt 22 totally 24 fix with slewing bearing 14 and to be connected, outer ring bolt 22 is simultaneously by vehicle body bottom frame 23 Fixing connect, facilitate operator car body is connected seat 19 fix with underframe 23 be connected after be arranged on slewing bearing 14 In, by outer ring bolt 22, car body can be connected seat 19 from the top of vehicle body bottom frame 23 and fix with slewing bearing 14.Car body Connect and also setting up the annular erecting bed 25 that a circle is downwardly projecting, annular erecting bed by the periphery of mouth 20 on the lower surface of seat 19 25 inside being pressed into when mounted to slewing bearing 14 are fixed.In the latter half of the outer circumference surface of annular erecting bed 25 it is The conical surface tilted to center position, plays preferable guide effect when mounted, is beneficial to install.Car body connection seat 19 is integrated and adds Work forms, and overall structure is simple, it is easy to processing, is also 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 (such as 25m) Requirement, improve vehicle little curve negotiation ability.

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, for for turning round Spring bearing 14 oiling, to ensure that slewing bearing 14 normally works.Oil filling mechanism 26 includes one group of pump nozzle 27, this enforcement In example, for ensureing oiling effect, make lubricating oil be distributed more uniformly across in slewing bearing 14, be provided with four pump nozzles altogether 27, four pump nozzles 27 connect four oil fuel tubes 28 respectively, and the end of four oil fuel tubes 28 is separately installed with a through type pipe Joint 40, oil fuel tube 28 is by the connection of straight-through type pipe joint 40 with slewing bearing 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 one Body injection mo(u)lding, directly takes the center putting the containing cavity 13 at bolster 11, and i.e. four pump nozzles 27 are arranged on slewing bearing The center of 14.The annular erecting bed 25 that car body connects seat 19 is provided with four gap, at press-in slewing bearing 14 avoid four oil fuel tubes 28 time internal.

Four pump nozzles 27 use self-sealed pump nozzle, and inside has flexible member, when needs oiling, and operator Member presses downwards the self sealss closure 31 at pump nozzle 27 top, closure 31 is opened and can connect pouring orifice, at the end of oiling, only Needs unclamp closure 31, and 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 11 On, cylindrical border is provided with the vertical receiving chamber of the substantially semicircular in shape of four indents extended in the vertical direction 30, four pump nozzles 27 are separately mounted in four vertical receiving chambeies 30, the oiling to installing therein of the vertical receiving chamber 30 Mouth 27 not only plays the effect of support, and pump nozzle 27 also plays in vehicle motor process the effect of protection simultaneously.

On the border of oil nozzle mounting seat 29 in addition to the vertical receiving chamber 30 of vertically extending setting, also have and transversely prolong The first of the setting around cylinder excircle stretched laterally contains chamber 32, and four oil fuel tubes 28 are respectively by pipe joint and four The bottom of pump nozzle 27 connects.As shown in figure 14, fixed, by four oil fuel tubes 28 by band 33 after four oil fuel tubes 28 connect Fixedly securing in oil nozzle mounting seat 29, band 33 is bundled in the first position laterally containing chamber 32.Band 33 is utilized to bundle not But can be prevented effectively from vehicle operation and make loose or dislocation between oil fuel tube 28 and pump nozzle 27, also make dismounting the most square Just.Extending transversely on the cylinder excircle and be additionally provided with second and laterally contain chamber 98, second laterally contains chamber 98 is positioned at First lower section laterally containing chamber 32, oil fuel tube 28 is bending laterally in bottom, arranges second herein and laterally contains chamber 98 convenience Oil fuel tube 28 bending, also functions to the effect of protection to oil fuel tube 28.Because oil fuel tube 28 is copper pipe, utilize the intensity of itself i.e. The pump nozzle 27 of sustainable top, bundlees oil fuel tube 28 by band 33 and can realize fixing pump nozzle 27, install knot 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 rear top 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, sets herein Put cavity 34 and can play the effect of reinforcement, improve structural strength and the rigidity of whole bolster 11.In two cavitys 34 also Having a discharge outlet 35, discharge outlet 35 runs through bolster 11, to facilitate the rainwater and flushing water accumulated in in cavity 34 Discharge.As is illustrated by figs. 11 and 12, four at bolster 11 are also respectively provided with outwardly outside the side of centre convergence The first reinforcement 36.

As shown in figure 13, on the lower surface of bolster 11, it is positioned at the marginal position outside framework 2 and is also equipped with two downwards The vibroshock mounting seat 37 stretched out, lateral damper 9 and vertical damper 10 are fixedly mounted on vibroshock by bolt 90 and install On seat 37, vibroshock mounting seat 37 be two be arranged side by side, one of them be used for fixing a lateral damper 9 and one vertical To vibroshock 10, another is used for fixing another vertical damper 10.First reinforcement 36 and vibroshock mounting seat 37 with shake Rest the head on 11 one-body molded, and and bolster 11 between arc transition, the setting of the first reinforcement 36 and vibroshock mounting seat 37 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 an extension in the center of the lower surface of bolster 11 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, at the end of framework 2 An opening 46 inserted for extension 45, the structure that opening 46 is rectangle, the length in cross-car it is provided with on beam 82 More than the length on car body is longitudinal.Corresponding two bolster 11, are provided with an opening 46 on two end carriages 82.

As shown in Figure 6, being provided with two horizontal backstops 47 on the sidewall of each opening 46 both lateral sides, two the most only The while of gear 47, below two lateral bolster 11, the direction of extension 45 is stretched out, and the extension 45 below bolster 11 stretches to two horizontal strokes Between backstop 47, and and laterally leave horizontal backstop gap between backstop 47.Preferable horizontal stroke is played in vehicle operation To the effect of backstop, to limit the vehicle lateral displacement beyond normal degree of freedom, in order to avoid vehicle to pass through some little curves half There is the dangerous working conditions such as rollover in footpath.

As shown in figure 18, in the present embodiment, horizontal backstop 47 is made up of three-decker, respectively wearing layer 47a, rubber layer 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 and bolster 11 Extension 45 contacts, and wearing layer 47a uses the nylon material of high abrasion characteristic, utilizes nylon material to have wear-resisting feature, carries The service life of high laterally backstop 47.Rubber layer 47b is arranged between wearing layer 47a and backplane level, rubber layer 47b and backplane level Vulcanizing one-body molded, wearing layer 47a and rubber layer 47b sticks with glue together with knot.As shown in Figure 6, backplane level is solid by bolt 48 It is scheduled on the sidewall of the opening 46 on end carriage 82.As shown in figure 18, backplane level is made up of three parts, the respectively first base plate 47c, Second base plate 47d and the 3rd base plate 47e, the first base plate 47c are positioned at the bottommost of backplane level, and the center of the first base plate 47c has One opening, the tubular second base plate 47d, second base plate 47d thicker at opening part throat thickness stretch to rubber layer 47b's Inside, has internal thread hole 47f at the center of the second base plate 47d.Internal thread hole 47f runs through the second base plate 47d, the 3rd base plate 47e is arranged on the top of internal thread hole 47e, plays the effect of backstop, can ensure that the structural strength of junction, first end simultaneously Plate 47c, the second base plate 47d and the 3rd base plate 47e form with rubber layer 47b integrated vulcanizing.Internal thread hole 47f can also use not Run through the gap structure of the second 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 on the installing hole 50 on end carriage 82 and horizontal backstop 47 backplane level Screwed hole 47f is fixing to be connected, and then horizontal backstop 47 is fixed on end carriage 82, the installing hole 50 on end carriage 82 sidewall and spiral shell One setting-up piece (not indicating in figure) is installed between the head of 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 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 47, existing car is needed to regulate between top and the extension 45 of bolster 11 of horizontal backstop 47 Horizontal backstop gap size, pad one or more between the first base plate 47c and the sidewall of end carriage 82 of horizontal backstop 47 again Adjust 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, longitudinal stopper section 42 with stretch Go out portion 45 cooperation to remain to drive vehicle to run.

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 shown in Fig. 6 and Figure 14, In the present embodiment, being additionally provided with lift between the end carriage 82 of bolster 11 and framework 2, lift not only can limit car The vertical vibration distance that body is maximum, may also operate as the effect of bogie integral lifting simultaneously.

As shown in Fig. 6 and Figure 14, lift is two lifting bars 51, is arranged on the lower surface of bolster 11, and two carry Suspension rod 51 is symmetricly set on the both sides that extension 45 is horizontal, in order to ensure bonding strength during lifting, can keep lifting simultaneously Time balance, the structure of two lifting bars 51 is identical, and the top of lifting bar 51 is connected with bolster 11, the bottom of lifting bar 51 and structure The end carriage 82 of frame 2 connects.

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, T-shaped The dual-side of head has spline plane 57, and the bottom of lifting bar 51 has external screw thread, and externally threaded top has one section of diameter Bigger stopper section 61.

As shown in Fig. 6 and Figure 14, have fixing port 52, fixing port needing to install on bolster 11 lower surface of lifting bar 51 One piece of backing plate 53 is i.e. installed at the top end of lifting bar 51 in the inside of 52, and on the excircle of fixing port 52, installation one piece is 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, is used for limiting lifting Bar 51 rotates, and installs one piece of mounting blocks 55 again in the lower section of locking backing plate 54, and the inner ring of mounting blocks 55 has and the T of lifting bar 51 The conical surface matched in shape head bottom surface, the bottom of the outer ring of mounting blocks 55 has step-like structure, sets on step-like position Put four bolts hole, by four bolts 56, mounting blocks 55 is fixed together with bolster 11, lifting bar 51 its T-shaped after mounting Head is mounted block 55 and blocks, and meanwhile, also has the annular groove of a circle indent, be filled with close therein on mounting blocks 55 Seal 58, also functions to the effect fixedly secured further while the effect playing sealing.

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 Symmetry is opened in the both sides of opening 46, installs a bayonet socket 60 in the bottom of lifting bar 51, and the diameter of bayonet socket 60 is more than lifting opening 59 Diameter, bayonet socket 60 has a vertical distance apart from lifting opening 59, and this distance is the maximum vertical vibration distance of permission.Bayonet socket The bottom inner ring of 60 has the conical surface, installs a positioning block 62 in the lower section of bayonet socket 60, the upper surface of locating piece 62 has and card The conical surface of mouthful 60 cone match, the inner ring of locating piece 62 has step-like structure, step-like structure after mounting with lifting bar 51 Stopper section 61 leans, and plays the effect of location backstop, and a nut 63 is tightened in the lower section of locating piece 62 in the bottom of lifting bar 51 Realizing fixing, the inner ring at bayonet socket 60 has the annular groove of an annular indent, installs an O-ring seals in annular groove 64, while the effect playing sealing, also function to the effect of fixing bayonet socket 60.After installation, if bolster 11 on vertical upwards Mobile, the bayonet socket 60 bottom lifting bar 51 i.e. may be stuck at lifting opening 59, and then can avoid punching.Meanwhile, this lifting bar 51 when lifting, and bayonet socket 60 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 opening 59 is opened On the roof of this fovea superior part 65.Fovea superior the part 65 not only horizontal backstop 18 of convenient installation and the installation of lifting bar 51, the most just In regular maintenance, it is not necessary to additionally arrange the structures such as horizontal backstop mounting seat, vertical backstop mounting seat, simplify to a certain extent The structure of bogie 1, also mitigates the weight of bogie 1.

As shown in Fig. 6 and Figure 20, arranging two groups of secondary spring compositions 8 between each bolster 11 and framework 2, two group two is Spring composition 8 along the lateral symmetry outside being arranged on two lifting bars 51 of framework 2, the structure phase of two groups of secondary spring compositions 8 With.

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 bullet Spring part uses double steel coil spring, is made up of interior spring 68 and outer spring 69, not only compact overall structure, and stability is 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 space between car body and bogie nervous Low-floor city railway vehicle.

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 Figure 20 institute Showing, corresponding upper padding plate 66 arranges first mounting groove 70 on the lower surface of bolster 11, has at the center of the first mounting groove 70 Having the installation portion 71 of downwardly projecting annular, installation portion 71 matches to merge with centre bore 66d and is inserted in centre bore 66d, plays The effect that location is fixing, the diameter of the first mounting groove 70 coordinates with upper padding plate 66, makes upper padding plate 66 be stuck in the first mounting groove 70 And realizing fixing, centre bore 66d is stuck at installation portion 71 simultaneously, and then realizes upper padding plate 66 and be connected with the fixing of bolster 11, on Without using traditional bolted mode between backing plate 66 and bolster 11, make installing/dismounting the most simple and convenient, make installation Dismantle the most simple and convenient, decrease the operation and maintenance of securing member, and it is the compactest to make secondary spring form 8 structures, with This device is made to be more suitable for the low-floor rail vehicle that between car body and bogie, space is nervous.

Lower surface at the lower metal plate 66b of upper padding plate 66 has downwardly projecting upper spring positioning convex ringwise 66e, upper spring positioning convex 666e between interior spring 68 and outer spring 69, upper spring positioning convex 666e be metallic plate and with under Layer metallic plate 66b welds together or one-body molded.

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 second Mounting groove 72, the diameter of the second mounting groove 72 coordinates with lower bolster 67, realizes in making lower bolster 67 be stuck in the second mounting groove 72 Fixing.Lower bolster 67 is made up of positioning seat 67a and adjusting pad, positioning seat 67a for metallic plate, on the upper surface of positioning seat 67a Having a lower spring positioning convex 67b ringwise protruding upward equally, lower spring positioning convex 67b is positioned at spring 68 with outer Between spring 69, lower spring positioning convex 67b is metallic plate, welds together or one-body molded with positioning seat 67a.After installation, under Backing plate 67 fixes and realizes fixing being connected between secondary spring composition 8 and end carriage 82 bottom the second mounting groove 72 of framework 2, under Without using traditional bolted mode as between backing plate 67 with end carriage 82, make installing/dismounting the most simple and convenient, subtract Lack the operation and maintenance of securing member, made secondary spring form 8 structures the most further the compactest.The second installation on end carriage 82 Groove 72, for turbination structure, while fixing secondary spring composition 8, it is also possible to avoid when vehicle runs, secondary spring The inwall collision of composition 8 and the second mounting groove 72.In the present embodiment, the second mounting groove 72 uses the structure of sunk type, further Reduce the height of floor.

Upper spring positioning convex 666e and lower spring positioning convex 67b mono-aspect serve damping effect, on the other hand, and this Plant " protruding " structure interior spring 68 and outer spring 69 to be separated, when vehicle needs by little curve, i.e. when secondary spring composition 8 generation During big displacement, decrease interior spring 68 and the probability of outer spring 69 collision, efficiently avoid the unstability of secondary 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, and interior spring adjusting pad 67c is Rubber blanket, is arranged on the bottom of the interior spring 68 of inner ring of lower spring positioning convex 67b, for spring in ordinance load compression relative superiority or inferiority The adjustment of 68, another kind is outer spring adjusting pad 67d, and outer spring adjusting pad 67d is rubber blanket, is arranged on lower spring positioning convex 67b Outer ring be the bottom of outer spring 69, for the adjustment of outer spring 69, to ensure that interior spring 68 and outer spring 69 are under same service load Compression height, and then ensure operating steadily between car body and bogie.Meanwhile, upper padding plate 66 utilizes the pliability of rubber layer 66c 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 are 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 card The portion that connects is sealedly and fixedly connected respectively on the first mounting groove 70 and the second mounting groove 72, be not only advantageous to protective cover 73 installation and Dismounting, is also sealed in secondary spring composition 8 in protective cover 73, prevents 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 under different loads The sealing of steel spring deformation.

As shown in Figure 20 and Figure 21, in the present embodiment, be additionally provided with a vertical backstop 74 at the center of interior spring 68, vertical only Gear 74 is fixed on the upper padding plate 66 in secondary spring composition 8.Vertical backstop 74 is by rubber 74a, base plate 74b and baffle plate 74c Composition, rubber 74a and base plate 74b and baffle plate 74c sulfides molding, and rubber 74a is positioned at the lower section of base plate 74b, base plate The center of 74b has an internal thread hole (not indicating in figure), and baffle plate 74c is positioned at the bottom of internal thread hole, base plate 74b and backstop Plate 74c uses metallic plate, even if there is the situation that secondary spring ruptures, vertical backstop 74 coordinates with boss 76 also can be as safety Support, it is ensured that the driving safety of rail vehicle, the center of the lower metal plate 66b of the upper padding plate 66 in secondary spring composition 8 There is an installing hole, be fixed together by bolt 75 between base plate 74b and lower metal plate 66b.Base plate 74b with on It is additionally provided with adjustment plate 74d between backing plate 66, regulates between the bottom of vertical backstop 77 and protruding 76 tops in time installing Vertical backstop gap.

As shown in figure 20, in the second mounting groove 72 of end carriage 82, it is provided with a projection 76 upwards, protruding 76 and framework Out, the center of the lower bolster 67 in secondary spring composition 8 has opening to 2 integrally castings, and protruding 76 are inserted into after mounting In the opening of lower bolster 67, and stretch to the inside of interior spring 68, with vertical backstop 74 just to setting, the bottom of vertical backstop 74 with Between the top of protruding 76, there is vertical backstop gap.When vehicle is properly functioning, the bottom of vertical backstop 74 and protruding 76 Do not contact between top, only in the case of load capacity is relatively big, when secondary spring composition 8 is compressed, the bottom of vertical backstop 74 With protruding 76 top contact, vertical backstop 74 is also further compressed, due to rigidity linear of double steel coil springs, rubber material The rigidity of the vertical backstop 74 of material is non-linear, the projection when load capacity is bigger, in vertical backstop 74 and the second mounting groove 72 76 contacts are also compressed, and while playing backstop action, also function to the effect of variation rigidity, are conducive to improving the dynamic of vehicle operation Mechanical property.

As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the center crossbeam 77 of framework 2 has the strip that extends transversely Cannelure 83, cannelure 83 respectively arranges one on the upper and lower surface of center crossbeam 77, connects and can increase in the middle of center crossbeam 77 Adding structural strength herein, improve bearing capacity, upper and lower two strip grooves 83 can also run through setting.At center crossbeam 77 It is installed with the second drawing pull bar mounting interface 84 respectively on two sidewalls of cannelure 83, each sidewall is provided with four Second drawing pull bar mounting interface 84, four the second drawing pull bar mounting interfaces 84 be disposed side by side on cannelure 83 side, side On wall, middle two the second drawing pull bar mounting interfaces 84 are closely packed together fixing or are integral type structure, four second tractions Pull bar mounting interface 84 is for fixing four connection seat 16c of two drawing pull bar 16 ends.At center crossbeam 77, annular is set Groove 83, is very easy to the dismounting of the second drawing pull bar mounting interface 84.

Second drawing pull bar mounting interface 84 is designed to Split type structure, is divided into left and right two parts, each part has one Semicircle installing port, forms the second complete installing port 39 after two part snap-fit, for accommodating the company of drawing pull bar 16 end Joint chair 16c, the sidewall of one of center crossbeam 77 with framework 2 is fixing to be connected, at this block the second drawing pull bar mounting interface The center of 84 has a smooth bore, is correspondingly also equipped with having female screwed hole on the sidewall of center crossbeam 77, By bolt 85, this block is fixed together with center crossbeam 77.In order to avoid bolt 85 affects drawing pull bar 16 after mounting Install, the inwall of this block the second drawing pull bar mounting interface 84 arranges a groove 103, in order to accommodate the head of bolt 85. Two connection seat 16c of drawing pull bar 16 end are correspondingly placed in the semicircle installing port of both sides, then another block is fastened, and With four bolts 86, two pieces are fixed together, and then the connection seat 16c of drawing pull bar 16 end is fixed, be used for tightening The nut 104 of bolt 86 end stretches into from the center of cannelure 83, is inserted into the afterbody of bolt 86 and tightens, upper and lower two annulars Two nuts 104 of each installation in groove 83, get final product the fixing of complete drawing pull bar 16, operate the most simple and convenient, be greatly improved Installation effectiveness.As when the first drawing pull bar mounting interface 12 is installed, installation one in the pin-and-hole 78 connecting seat 16c during installation Alignment 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, Er Qieke To improve installation effectiveness.

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 12 and the first circular installing port 17 of the second drawing pull bar mounting interface 84 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 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 and laterally subtracts Shake device 9 and two vertical dampers 10, and two vertical dampers 10 are put the both sides in the cross-car of lateral damper 9, subtracted Device mounting seat 37 of shaking is set to two, installs a lateral damper 9 and one wherein and hang down in a vibroshock mounting seat 37 To vibroshock 10, another vibroshock mounting seat 37 is installed a vertical damper 10, lateral damper 9 and vertical damper The other end of 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, first even Extension bar the 88, second connecting rod 89 forms, and the shell of vibroshock body 87 has four installing holes, is fixed by bolt 90 respectively In the vibroshock mounting seat 37 of bolster 11, one end of head rod 88 and vibroshock body 87 is fixing to be connected, the other end and Second connecting rod 89 connects, and the other end of the second connecting rod 89 is connected with framework 2, is provided with and laterally subtracts on the sidewall of end carriage 82 Seat 100 fixed by the device that shakes and seat 99 fixed by vertical damper, and the other end of the second connecting rod 89 is connected to the lateral vibration absorbing of end carriage 82 Seat 100 fixed by device or vertical damper is fixed on seat 99.The two ends of the second connecting rod 89 and head rod 88 and lateral vibration absorbing Seat 100 fixed by device or vertical damper is fixed and all connected by an oscillating bearing 91 between seat 99.The outer ring of oscillating bearing 91 Being connected with the second connecting rod 89, the inner ring of oscillating bearing 91 is installed and is connected a connecting shaft 92, and connecting shaft 92 stretches out insertion from side Fix seat 100 to the lateral damper of framework 2 or vertical damper is fixed in the installing hole of seat 99, and solid by puller bolt Fixed.Attachment structure between second connecting rod 89 and the first head 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 connected by one section of connecting rod 105, Being threaded connection between connecting rod 105 and two section of second connecting rod 89, this structure can facilitate the second connecting rod 89 and two ends Head rod 88 and lateral damper fixes seat 100 or vertical damper fixes that seat 99 is fixing to be connected.

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 and opening 95 Towards in 90 degree, an opening 94 is used for overlapping the second connecting rod 89, and another opening 95 is used for overlapping with the second connecting rod 89 even The connecting shaft 92 connect, the diameter of opening 95 is slightly less than the diameter of connecting shaft 92, and its round edge is taper so that can after installation herein Tight seal, the diameter of another opening 94 is bigger, convenient installation, is tightened by band 96 and be fixed on the second connecting rod 89 after installation On.At dust cover 93 near the position of opening 95, there is wave structure, improving enough distortion allowances.In the second connecting rod On oscillating bearing 91 below 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 Arranging, the head rod 88 of vertical damper 10 is horizontally set, and its second connecting rod 89 is vertical setting, due to Each junction all uses oscillating bearing 91 to connect, when producing oscillation crosswise or vertical vibration when the vehicle is running, and the second connecting rod 89 horizontal or vertical on can in certain angle swing, and then drive head rod 88 swing, 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 of framework 2 by this utility model Between the sidepiece of 82, and vibroshock body 87 is by head rod 88 and the second connecting rod 89 and the framework as vibration source 2 connect, and the rotary motion of vibroshock body 87 is not only changed into the linear motion of the second connecting rod 89, effectively achieve laterally With the amplification of vertical deviation, making the damping regulating effect of vibroshock strengthen, regulation is more flexible, also makes the structure of bogie more Add the compactest, be 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 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 lift, it is characterised in that: it is arranged between bolster and framework, described lift Including at least lifting bar, the most corresponding described lifting bar has lifting opening, and the bottom of described lifting bar has one Diameter is more than the bayonet socket of lifting opening diameter, and the bottom of described lifting bar stretches to the lower section of described lifting opening, described bayonet socket And it is the distance of backstop between described lifting opening.

Low-floor rail vehicle lift the most according to claim 1, it is characterised in that: described lifting bar is two, Two described lifting bars are symmetricly set on the lower section of bolster along cross-car.

Low-floor rail vehicle lift the most according to claim 2, it is characterised in that: at the lower surface of described bolster Center extend downwardly from an extension, described extension is inserted in the opening architecturally arranged, and carries described in two Suspension rod is symmetricly set on the both sides of described extension along cross-car.

4. according to the low-floor rail vehicle lift described in any one of claims 1 to 3, it is characterised in that: described lifting The main body of bar is an elongated cylinder, and the top of lifting bar has a T-shaped head, and the dual-side of T-shaped head has spline plane, The bottom of lifting bar has external screw thread, and externally threaded top has one section of diameter stopper section more than elongated cylinder diameter.

Low-floor rail vehicle lift the most according to claim 4, it is characterised in that: needing installation lifting bar Having fixing port on bolster lower surface, the top of lifting bar is arranged in fixing port, has in the lower section of lifting masthead end T-shaped head Having a mounting blocks, mounting blocks is connected by bolt and bolster are fixing, and mounting blocks is after fixation by the T-shaped head card of described lifting bar Gu on bolster.

Low-floor rail vehicle lift the most according to claim 5, it is characterised in that: the inner ring tool of described mounting blocks Having the conical surface matched in the bottom surface with lifting bar T-shaped head, the bottom of the outer ring of mounting blocks has step-like structure, step-like Position on be provided for the bolt hole through described bolt.

Low-floor rail vehicle lift the most according to claim 4 and bogie, it is characterised in that: described bayonet socket is pacified Being contained on the excircle of stopper section, install a positioning block in the lower section of described bayonet socket, the inner ring of described locating piece has step-like Structure, step-like structure stopper section with lifting bar after mounting leans, and the lower section of described locating piece is in the bottom of lifting bar Tighten a nut and realize fixing.

8. according to the low-floor rail vehicle lift described in any one of claim 1-3, it is characterised in that: described lifting is opened Framework at Kou has the fovea superior part upwards caved in, and lifting opening is opened on the roof of this fovea superior part, and described bayonet socket is positioned at The inside of described fovea superior part.

9. a bogie, it is characterised in that: install just like the lift described in any one of claim 1-8.

Bogie the most according to claim 9, it is characterised in that: on bogie, it is provided with two bolster, two bolster It is symmetricly set on the both sides being framed in car body longitudinal direction, is provided with two lifting bars in the lower section of each bolster.