CN106043344B - Low-floor articulated track vehicle bogie suspension traction device - Google Patents
Low-floor articulated track vehicle bogie suspension traction device Download PDFInfo
- Publication number
- CN106043344B CN106043344B CN201610579844.5A CN201610579844A CN106043344B CN 106043344 B CN106043344 B CN 106043344B CN 201610579844 A CN201610579844 A CN 201610579844A CN 106043344 B CN106043344 B CN 106043344B
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- Prior art keywords
- bolster
- drawing pull
- pull bar
- framework
- damper
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of low-floor articulated track vehicle bogie suspension traction devices, including bolster, primary spring and secondary spring, it is connected between bolster and car body by swing mechanism, it further include two drawing pull bars being parallel to each other, two drawing pull bars are mounted between two curb girders of framework, and bolster is connected in the longitudinal side of car body by the end carriage of two drawing pull bars and framework.Overall structure of the present invention is simple and compact, light-weight, the transmitting of traction and brake force when vehicle operation can not only be better achieved, carry vertical, transverse direction, longitudinal loading, the small curve negotiation ability of vehicle is greatly improved, and whole is in flat structure, and height of floor from rail top can be greatly reduced.Bolster in the present invention is connect by two parallel drawing pull bars with framework, be can use drawing pull bar and is played the role of anti-side rolling torsion rod, is kept vehicle operation more steady, is also simplified the structure of bogie.
Description
Technical field
The present invention relates to a kind of bogies of rail vehicle, in particular to one kind is in low-floor articulated track vehicle driver
The bogie suspension traction device installed below room, belongs to rail vehicle manufacturing technology field.
Background technique
Low-floor urban rail vehicle plays increasingly important role in many urban transportations, and in Low-floor urban rail vehicle
In, bogie directly determines the stability of vehicle operation and multiplies as most important structure member, structure and parameters
The comfort of seat.The bogie of existing Low-floor urban rail vehicle generally has that small curve negotiation ability is poor, the higher difficulty of floor
With get on or off the bus setting and heavy traction device the problems such as.With being constantly progressive for city rail vehicle, the requirement to city rail vehicle is more next
It is higher, it is therefore desirable to which that floor can be reduced conducive to get on or off the bus setting, and simple and compact for structure, curve negotiating energy by providing one kind
Strong, the light-weight low-floor articulated track vehicle bogie suspension traction device of power.
Summary of the invention
Present invention is primarily aimed at solving the above problems and insufficient, a kind of simple and compact for structure, curve negotiating energy is provided
Power is strong and can reduce the low-floor articulated track vehicle bogie suspension traction device of height of floor from rail top.
To achieve the above object, the technical scheme is that
A kind of low-floor articulated track vehicle bogie suspension traction device, including bolster, primary spring and two system's bullets
Spring is connected by swing mechanism between the bolster and car body, further includes two drawing pull bars being parallel to each other, lead described in two
The bar that is pulled is mounted between two curb girders of framework, and the bolster passes through two drawing pull bars in the longitudinal side of car body
It is connect with the end carriage of framework.
Further, the side of the bolster the first drawing pull bar installation connecting with the drawing pull bar is provided with to connect
Mouthful, the second drawing pull bar installation interface connecting with the drawing pull bar, the traction are provided on the end carriage of the framework
Interface is installed at the both ends of pull rod with the first drawing pull bar respectively and the second drawing pull bar installation interface is fixedly connected.
Further, the first drawing pull bar installation interface and the second drawing pull bar installation interface are seperated structure,
It is respectively arranged with semicircular opening on two seperated parts and is collectively constituted after fastening circular for installing traction
The first installing port and the second installing port of pull rod, two parts are bolted to connection.
Further, the top half of first drawing pull bar installation interface be the bolster side be arranged it is multiple to
Under arch hatch frame outstanding, the lower half portion that the first drawing pull bar installs interface is respectively independently installed multiple installations
The side wall of block, corresponding each arch opening two sides is respectively fixedly connected with a mounting blocks.
Further, the upper surface of first drawing pull bar installation interface is the bolster upper surface to the portion of lower recess
Point.
Further, multiple peaces corresponding with second drawing pull bar installation interface are provided on the end carriage of the framework
Open slot is filled, the second drawing pull bar installation interface is bolted on the side wall of the construction opening slot.
Further, an extension, the extension insertion are extended downwardly in the center of the lower surface of the bolster
Into the opening being architecturally arranged, lateral backstop, the stretching are separately installed on the both lateral sides side wall of the opening
Portion stretches between two lateral backstops, and there are lateral backstop gaps between the lateral backstop.
Further, the two sides in the cross-car of the bolster are respectively equipped with lateral damper and vertical damper, institute
The other end for stating lateral damper and vertical damper is connect with framework.
Further, the two sides of the bolster be each provided with one it is outwardly directed in step-like damper mounting base,
The position of inner side step is provided with a construction opening in damper mounting base, and the lateral damper is bolted on described
On the side wall of construction opening, the vertical damper is bolted on the outside step of the damper mounting base.
Further, mounting rail is provided on the outside of the curb girder of framework, the mounting rail and curb girder form " II " shape structure,
The lateral damper and vertical damper are mounted in the opening surrounded by the mounting rail and curb girder and are fixed on the peace
It fills on the side plate on the inside of beam.
Further, lift is provided between the bolster and framework, the top of the lift and bolster connect
It connects, the bottom end of the lift is connect with framework.
Further, the lift is more lifting bars, and the quantity of the lifting bar is opposite with the quantity of secondary spring
It answers, a lifting bar is installed respectively inside each secondary spring.
Further, the secondary spring is symmetrically mounted between the two sides of the bolster and two curb girders of framework, described
It is respectively embedded into and is mounted in the bolster and curb girder at the top and bottom of secondary spring.
To sum up content, a kind of low-floor articulated track vehicle bogie suspension traction device of the present invention are whole
Simple and compact for structure, light-weight, the transmitting of traction and brake force, carries vertical, horizontal when vehicle operation can not only be better achieved
To, longitudinal loading, the small curve negotiation ability of vehicle is greatly improved, and whole is in flat structure, can substantially be dropped
Low land plate face height, conducive to setting of getting on or off the bus, vehicle drive performance also obtains larger raising.In addition, bolster passes through in the present invention
Two parallel drawing pull bars are connect with framework, be can use drawing pull bar and are played the role of anti-side rolling torsion rod, run vehicle
It is more steady, also simplify the structure of bogie.
Detailed description of the invention
Fig. 1 is rail vehicle structure schematic diagram of the present invention；
Fig. 2 is bogie suspension traction device structural schematic diagram of the present invention；
Fig. 3 is the floor map of bogie suspension traction device structure of the present invention；
Fig. 4 is the A direction view of Fig. 3；
Fig. 5 is drawing pull bar structural schematic diagram of the present invention；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is bolster structural schematic diagram of the present invention；
Fig. 8 is the A-A cross-sectional view of Fig. 3；
Fig. 9 is the B-B cross-sectional view of Fig. 3；
Figure 10 is the C-C cross-sectional view of Fig. 3；
Figure 11 is I partial enlarged view of Fig. 3；
Figure 12 is the mounting structure schematic diagram of lateral damper and vertical damper of the present invention；
Figure 13 is dust cover structure schematic diagram of the present invention.
As shown in figure 1 to figure 13, bogie 1, car body 2, swing mechanism 3, framework 4 hang traction device 5, and wheel is pacified to 6
Fill beam 7, curb girder 8, end carriage 9, bolster 10, pin hole 11, primary spring 12, secondary spring 13, lateral damper 14, vertical damper
15, drawing pull bar 16, pull rod 16a, flexural pivot 16b, attachment base 16c, bolt hole 17, the first drawing pull bar installation interface 18, first
Installing port 19, bolt 20, pin hole 21, mounting plate 22, bolt 23, slewing bearing 24, accommodating cavity 25, bolt 26, bolt hole
27, bolt 28, oil filling mechanism 29, oil fuel tube 30, cavity 31, damper mounting base 32, extension 33, opening 34, lateral backstop
35, wearing layer 35a, rubber layer 35b, backplane level 35c, bolt 36, lifting bar 37, fixed pin 38, the second mounting groove 39, second leads
The bar that is pulled installation interface 40, construction opening slot 41, the second installing port 42, bolt 43, damper ontology 44, first connecting 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 protrusion 53a, lower bolster 54, lower spring positioning protrusion 54a, interior spring 55, outer spring 56, the first mounting groove 57, mounting portion 58,
Protective cover 59, lifting mounting hole 60, upper lifting mounting base 61, lifting installation sheath 62, connecting pin 63, bolt 64, attachment base 65,
Lower lifting mounting base 66, lifting opening 67, bayonet 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 fixing seat 77, positioning protrusion 78, positioning groove 79, mounting plate 80.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, a kind of low-floor articulated track vehicle bogie suspension traction device, it is hinged to be mounted on low-floor
On bogie 1 below the drivers' cab of formula rail vehicle and the cephalomere compartment adjacent with drivers' cab, that is, it is mounted on headstock position
On bogie 1, connected between the bogie 1 and the car body 2 in cephalomere compartment by swing mechanism 3.
As shown in Fig. 2, bogie 1 include framework 4, suspension traction device 5, wheel to 6, driving motor (not shown),
Brake etc., wherein driving motor uses four, respectively drives four wheels, and four driving motors and brake are fixedly mounted
On the mounting rail 7 of 4 two sides of framework, it is arranged so the height for advantageously reducing floor.
As shown in Fig. 2, framework 4 includes two curb girders, 8, two end carriages 9 and two mounting rails 7, the transverse direction of two curb girders 8
Outside on (referring to width of the carbody direction) is respectively arranged to the mounting rail 7 of installation driving motor and brake, is installing
The Holder for hanging household utensiles of magnetic rail brake device is provided on beam 7.In the present embodiment, curb girder 8 is integrated casting beam, and mounting rail 7 is box-girder, by
Top plate and bottom plate and side plate splicing are welded, and top plate and bottom plate and side plate are all made of stainless steel plate, 7 expansion of curb girder 8 and mounting rail
Body is π shape structure, and curb girder 8 is connected with 7 butt welding of mounting rail, forms " II " shape structure after mounting rail 7 and the welding of curb girder 8.Two
A end carriage 9 is symmetricly set on two sides of two curb girders 8 on car body longitudinal (referring to vehicle body longitudinal direction), and end carriage 9 is " mouth "
Glyph framework beam, end carriage 9 are integrated casting beam, also fix between end carriage 9 and curb girder 8 for butt welding, on the one hand can be enhanced
On the other hand the integrated carrying ability and structural strength of end carriage 9 can reduce welding capacity again, reduce processing technology difficulty, improve
The craftsmanship of framework 4.
Framework 4 minimizes the welding interior stress of structure, and can be a large amount of using the structure of steel plate and casting Combination Welding
Reduce welding capacity, improve the processing performance and packaging efficiency of framework, 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, suspension traction device 5 includes a system's bullet of drawing pull bar 16, eight of bolster 10, two
Spring 12, four secondary springs, 13, two lateral dampers 14 and two vertical dampers 15 etc..
In the present embodiment, the whole structure in " V " font of bolster 10, bolster 10 is connected with car body 2 by swing mechanism 3
It connects, the center of the centre of gyration between bolster 10 and car body 2 and framework 4 is not on same center line, between two center lines
Distance is 350mm.In this way, being rotated after bogie is mounted on car body 2 with the centre of gyration of biasing, the most knot of bogie
Structure is all placed on the front of car body 2, that is, is placed on the lower space of drivers' cab, so that bogie more occupies the sky of drivers' cab
Between, an occupied space in vehicle compartment is relatively reduced, the comfort for improving and taking is more advantageous in this way, also has to a certain extent
Conducive to the passenger capacity for improving compartment.Moreover, bolster 10 is connect with car body 2 by swing mechanism 3, the Chinese yeast of vehicle can also be improved
Line handling capacity, and height of floor from rail top can be greatly reduced, conducive to setting of getting on or off the bus, vehicle drive performance also obtains larger mention
Height, while being also conducive to reduce the abrasion of wheel and track.
Four secondary springs 13 are set between the lower section of bolster 10 and the curb girder 8 of framework 4, and four secondary springs 13 are right in pairs
Two sides of the bolster 10 in cross-car are arranged in title.It is arranged between two end carriages 9 and axis bridge (not indicated in figure) of framework 4
There are eight primary springs 12, i.e., is respectively mounted a primary spring 12 at each angle of the end carriage 9 of " mouth " font.In the vehicle of bolster 10
A lateral damper 14 and a vertical damper 15 are installed in two sides in body transverse direction respectively, lateral damper 14 and vertical subtract
It shakes oscillation crosswise and vertical vibration of the device 15 to car body of decaying, improves the comfort of seating, lateral damper 14 and vertical subtract
The other end of vibration device 15 is mounted in the opening surrounded by mounting rail 7 and curb girder 8 and is fixed on the side plate of 7 inside of mounting rail,
This mounting structure makes the overall structure of bogie more compact, is more favorable to reduce the height of floor.
As shown in Figures 2 to 4, the side of bolster 10 is connect by two drawing pull bars 16 with the end carriage 9 of 4 one end of framework,
The centre of two curb girders 8 of framework 4 is arranged in two drawing pull bars 16, and bolster 10 and 16 cloth of drawing pull bar postpone whole in flat
The structure of shape can further decrease the height on floor.
Bolster 10 is connect by two drawing pull bars 16 with the end carriage 9 of 4 one end of framework in the longitudinal side of car body, not only
The transmitting of traction and brake force when vehicle operation can be better achieved, carries vertical, transverse direction, longitudinal loading, and bolster 10 passes through two
The parallel drawing pull bar 16 of root is connect with the end carriage 9 of framework 4, and anti-side rolling can also be played using two parallel drawing pull bars 16
The effect of torsion bar keeps vehicle operation more steady, and anti-rolling device separately installed on existing bogie is omitted, and simplifies
The structure of bogie.
As shown in Figure 5 and Figure 6, the structure of drawing pull bar 16 includes the flexural pivot 16b of intermediate pull rod 16a and both ends, is drawn
Two ends of bar 16a are in U-shape structure, and two flexural pivot 16b are inserted into U-shaped structure respectively through fastener and pull rod 16a
It is fixedly connected.Flexural pivot 16b is made of the flexural pivot axis at center and the flexural pivot set of outer layer, and flexural pivot axis and flexural pivot set are cut with scissors by sphere curved surface
Cooperation is connect, flexural pivot set is connect with pull rod 16a.One attachment base 16c is respectively installed on two flexural pivot axis of each flexural pivot 16b, two
A attachment base 16c is symmetricly set on the two sides of end flexural pivot 16b, and attachment base 16c is the rubber material of cylindrical body, and center has
Mounting hole (does not indicate) in figure, cooperates with the flexural pivot axis of flexural pivot 16b and fixes.
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 guarantee its integral strength and rigidity, the welding stress for avoiding welding structure from generating greatly improves the bearing capacity of bolster 10, also
The thickness and weight of bolster 10 can be reduced, conducive to the height for reducing floor, while being also conducive to vehicle and realizing lightweight.
As shown in fig. 7, the side (i.e. the inside of the angle of " V " character form structure) of bolster 10 towards end carriage 9 be provided with
The first drawing pull bar that drawing pull bar 16 connects installs interface 18, dismounts for convenience, and the first drawing pull bar installation interface 18 is adopted
With the structure of two-piece unit, the first drawing pull bar installs the top half and 10 integrally casting shaping of bolster of interface 18, and first leads
The top half that the bar that is pulled installs interface 18 is the multiple downward projection of arch hatch frames being arranged in 10 side of bolster, with benefit
In the mounting height for integrally reducing drawing pull bar 16, and then conducive to the height for reducing floor.The quantity and traction of arch opening
16 quantity of pull rod is corresponding, and two drawing pull bars 16 are installed in the side of bolster 10, so the quantity that the arch of 10 side of bolster is open
It is two, is formed on three side walls of two arches opening and all have downwardly open semicircular opening, the first drawing pull bar peace
The lower half portion of attaching mouth 18 is four pieces of respectively independently installed mounting blocks, each fixation of side wall of corresponding each arch opening two sides
A mounting blocks are connected, intermediate side wall is fixedly connected with two mounting blocks, also has respectively on four mounting blocks of lower half portion
There is the semicircular opening of upward opening, two part snap-fits up and down that the first drawing pull bar installs interface 18 form complete after docking
Circular first installing port 19, the attachment base 16c at 16 both ends of drawing pull bar is separately fixed at two the first opposite installing ports
In 19, two parts up and down for forming each first installing port 19 are fixedly connected by four bolts 20.
In the present embodiment, have on the upper surface of bolster 10 to the part of lower recess, the first drawing pull bar installs interface
18 upper surface is 10 upper surface of bolster to the part of lower recess, and such purpose reduces drawing pull bar 16 also for whole
Mounting height, conducive to reduce floor height.
Upper and lower two parts of first drawing pull bar installation interface 18 are after fastening by the attachment base of 16 end of drawing pull bar
16c is tightly fixed in the first installing port 19, and finally upper and lower two parts are fixed together with four bolts 20 and realize traction
The fixed installation of pull rod 16.As shown in Figure 5 and Figure 6, fixed with the first drawing pull bar installation interface 18 for convenience, in each company
A pin hole 21 is provided on the excircle of joint chair 16c, as shown in fig. 7, correspondingly in the upper of the first drawing pull bar installation interface 18
A pin hole 11 is also provided on part or lower part, and when installation installs a positioning pin in the pin hole 21 of attachment base 16c, leads with first
The bar that is pulled is installed the pin hole 11 on interface 18 and is cooperated, and so that drawing pull bar 16 is accurately installed, and installation effectiveness can be improved.
As shown in fig. 7, in order to reinforce the fixing intensity of the first drawing pull bar installation interface 18, making to draw in the present embodiment
Pull rod 16 can be fixedly secured, and be additionally provided with one piece of mounting plate 22, every two phase in the top of the first drawing pull bar installation interface 18
Two bolts 20 of neighbour's setting are correspondingly arranged one piece of mounting plate 22.Mounting plate 22 is in step-like structure, is arranged on junior's step
There are two bolts hole, and mounting plate 22 is fixed on the top half that the first drawing pull bar installs interface 18 to pass through bolt 23
On, there are two bolt hole (not indicating in figure), two bolts hole to respectively correspond first with lower section for setting on higher level's step
Drawing pull bar installs the bolt hole perforation on interface 18, and bolt 20 is also cross the bolt on the first drawing pull bar installation interface 18
The bolt hole on higher level's step on hole and mounting plate 22, which fixes two parts up and down of the first drawing pull bar installation interface 18, to be connected
It is connected together.
As shown in Fig. 2, Fig. 3 and Fig. 9, the second drawing pull bar installation interface 40 is fixedly installed on the side wall of end carriage 9,
There are four the second drawing pull bars to install interface 40 for installation altogether on side wall, and four the second drawing pull bar installation interfaces 40 are disposed side by side on
On the side wall of end carriage 9, intermediate two the second drawing pull bars installation interface 40 is closely packed together fixed or is an integral structure, four
Second drawing pull bar installation interface 40 is used to fix four attachment base 16c of two 16 ends of drawing pull bar.
Second drawing pull bar installation interface 40 is designed to separate structure, is divided into left and right two parts, has one on each part
Semicircular opening forms complete second installing port 42 after two part snap-fits, for accommodating the connection of 16 end of drawing pull bar
Seat 16c.It is one of it is upper there is positioning protrusion 78, correspondingly there is positioning groove 79 in the side of end carriage 9, by second when installation
Positioning protrusion 78 on drawing pull bar installation interface 40 is stuck in the positioning groove 79 of end carriage 9, by the two of 16 end of drawing pull bar
A attachment base 16c is correspondingly placed into the semicircular opening of two sides, then another piece is fastened, and with four bolts 43 by two pieces of fixations
It links together, and then the attachment base 16c of 16 end of drawing pull bar is fixed.
Corresponding four the second drawing pull bars installation interfaces 40 open that there are three installations to open in a side of " mouth " font end carriage 9
Mouth slot 41, is provided with drainage hole in the bottom of each construction opening slot 41, construction opening slot 41 can be in the upper and lower surface of end carriage 9
Three are each provided with, the two rows bolt 43 for being respectively used to install interface 40 with the second drawing pull bar is fixedly connected, and installation is opened
Mouth slot 41 can also be using hatch frame up and down.Every two adjacent bolt 43 is corresponded in construction opening slot 41 to be arranged
One mounting plate 80, there are two internal thread holes for tool on mounting plate 80, its tail portion and mounting plate 80 are twisted after bolt 43 is inserted into from side
It fastens, the fixation of drawing pull bar 16 can be completed, can not only guarantee the overall structural strength of end carriage 9, also to operate non-
It is often simple and convenient, installation effectiveness greatly improved.As when installation the first drawing pull bar installation interface 18, when installation, is being connected
A positioning pin is installed in the pin hole of seat 16c, cooperates with the pin hole on the second drawing pull bar installation interface 40, enables drawing pull bar 16
Enough accurate installations, and installation effectiveness can be improved.
In the present embodiment, in the attachment base 16c of the end of drawing pull bar 16 setting cylindrical body, installed with the first drawing pull bar
Circular first installing port 19 and the cooperation of the second installing port 39 of interface 18 and the second drawing pull bar installation interface 40 are fixed, longitudinal
Transmission force is realized by complete round binding face, longitudinal transmission capacity not only can be improved, and can mitigate abrasion, simultaneously
Flexural pivot is arranged in the both ends of drawing pull bar 16, makes it have lesser lateral stiffness, meets transverse direction big between car body and bogie
Displacement and length travel improve longitudinal traction ability, and certain flexible deformation can occur when sidewindering, thus play
The effect of anti-side rolling improves anti-side and rolls ability, further improves the overall performance of traction device.
As shown in Figure 7 and Figure 8, swing mechanism 3 include slewing bearing 24,10 upper surface of bolster center have to
The accommodating cavity 25 of lower indent, installs slewing bearing 24 in accommodating cavity 25, and the outer ring of slewing bearing 24 passes through multiple
Bolt 26 is fixedly connected with bolster 10, and accommodating cavity 25 can protect slewing bearing 24, and revolving support axis can be improved
Hold 24 bearing capacity.The one perforative bolt hole 27 of circle of setting on bolster 10, bolt hole 27 are counter sink, and multiple bolts 26 are the bottom of from
Corresponding be inserted into bolt hole 27 in portion is fixedly connected with slewing bearing 24, is located at counter sink after the head installation of bolt 26
Inside, such purpose are in order to facilitate the installation of, to avoid the head of bolt 26 from extending out to the outside of bolster 10, also function to guarantee
Effect.The inner ring of slewing bearing 24 is fixedly connected with vehicle body bottom frame (not shown) by multiple bolts 28, and behaviour is facilitated
It is by outer ring bolt 28 that vehicle body bottom frame and slewing bearing 24 is fixed from the top of vehicle body bottom frame to make personnel.Pass through revolution branch
Support bearing 24 carries vertical, vertical and horizontal load, and slewing bearing 24 may be implemented 360 degree of rotations, realize surface car
The requirement of too small curve (such as 25m), improves the small curve negotiation ability of vehicle.
As shown in Figure 7 and Figure 8, a set of oil filling mechanism 29 is also equipped on bolster 10, for being slewing bearing 24
Oiling, to guarantee that slewing bearing 24 works normally.Oil filling mechanism 29 includes one group of pump nozzle, in the present embodiment, to guarantee
Oiling effect is distributed more uniformly across lubricating oil in slewing bearing 24, is provided with eight pump nozzles, eight pump nozzles altogether
Eight oil fuel tubes 30 are separately connected, the end of eight oil fuel tubes 30 is separately installed with a straight-through type pipe joint, and oil fuel tube 30 is logical
Cross the connection of straight-through type pipe joint Yu slewing bearing 24.
A movable lamina tecti (not shown) is installed on the vehicle body bottom frame above corresponding slewing bearing 24,
When needing oiling, the pump nozzle of lower section can be leaked out by opening lamina tecti, and top cover plate after oiling not only can be with
It realizes and oiling is carried out to slewing bearing 24 at any time, also facilitate simple and direct, be also convenient for daily maintenance.
As shown in Figure 8 and Figure 9, an extension 33, extension are extended downwardly in the center of the lower surface of bolster 10
33 are integrally formed with bolster 10.Corresponding extension 33 is provided with an opening being inserted into 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 connect of joint chair is fixed on end carriage 9.
As shown in figure 8, there are two lateral backstop 35, two lateral backstops 35 for installation on the side wall for 34 both lateral sides that are open
It is stretched out simultaneously from two sides to the direction of 10 lower section extension 33 of bolster, the extension 33 of 10 lower section of bolster, which stretches to two transverse directions, to be stopped
Between gear 35, and there are lateral backstop gaps between lateral backstop 35.It plays in vehicle operation and preferably laterally stops
The effect of gear is sent out with to avoid vehicle by some small curve radius with limiting the lateral displacement that vehicle exceeds normal freedom degree
The dangerous working conditions such as raw rollover.
In the present embodiment, lateral backstop 35 is made of three-decker, respectively wearing layer 35a, rubber layer 35b and backplane level
35c, wearing layer 35a are located at the top layer contacted with the extension 33 of bolster 10, pass through the extension 33 of wearing layer 35a and bolster 10
Contact, wearing layer 35a use high abrasion characteristic nylon material, have the characteristics that using nylon material it is wear-resisting, improve transverse direction stops
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 sulphur
Change and be integrally formed, wearing layer 35a is together with rubber layer 35b gluing knot.Backplane level 35c is fixed on end carriage 9 by bolt 36
On opening 34 side wall on.As shown in figure 8, being provided with mounting hole on the side wall of end carriage 9, passed through on end carriage 9 by bolt 36
Mounting hole be fixedly connected with transverse direction 35 backplane level 35c of backstop, and then lateral backstop 35 is fixed on end carriage 9.
The transverse direction backstop 35 ensure that good stiffness curve in the case where the elastic characteristic for guaranteeing lateral backstop 35 requires
Can, meet lateral displacement under most severe operation situation and reduce to the maximum extent, significantly reduce vehicle it is traversing when bring shake
It is dynamic, running stability is improved, increases the comfort of seating, and structure is simple, reliable performance, durability characteristics are strong.
When installing lateral backstop 35, existing vehicle is needed to adjust between the top of lateral backstop 35 and the extension 33 of bolster 10
Lateral backstop gap size, pad one or more adjusting pads again between the backplane level of lateral backstop 35 and the side wall of end carriage 9
Piece, it is easy to adjust quick.
A longitudinal stopper section is also respectively stretched out to the direction of extension 33 in the longitudinal two side walls in inside of opening 34,
Longitudinal load-bearing is played the role of in longitudinal stopper section, and when drawing pull bar 16 fails, longitudinal stopper section is remained to the cooperation of extension 33
Drive vehicle operation.
As shown in Figures 2 and 3, four secondary springs 13, four two systems are set between bolster 10 and the curb girder 8 of framework 4
Spring 13 along framework 4 transverse symmetrical arrangement in the two sides of extension 33, the structure of four secondary springs 13 is identical.
As shown in Figure 10, each secondary spring 13 is made of the spring of upper padding plate 53, lower bolster 54 and centre, intermediate
Spring section is made of, not only compact overall structure, stability is good, may be used also using double steel coil springs interior spring 55 and outer spring 56
To improve the stability of vehicle operation, meet the requirement of big volume of passenger traffic carrying, it is tight especially suitable for space between car body and bogie
The low-floor city railway vehicle opened.
Upper padding plate 53 is made of the rubber layer of upper layer metal plate, lower metal plate and centre, rubber layer and upper layer metal 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 upward indent has the mounting portion 58 of downwardly projecting annular at the center of the first mounting groove 57,
Mounting portion 58 merges with the matching of the centre bore of upper padding plate 53 to be inserted into centre bore, and the fixed effect of positioning, the first installation are played
The diameter and upper padding plate 53 of slot 57 cooperate, and so that upper padding plate 53 is stuck in the first mounting groove 57 and is realized and fix, while centre bore card
At mounting portion 58, and then realize being fixedly connected for upper padding plate 53 and bolster 10, between upper padding plate 53 and bolster 10 without
Traditional bolted mode, keeps installing and dismounting more simple and convenient, keeps installing and dismounting more simple and convenient, reduces fastening
The operation and maintenance of part, and keep 13 structure of secondary spring more compact so that the device be more suitable for car body and bogie it
Between space anxiety low-floor rail vehicle.
There is downwardly projecting upper spring positioning protrusion in a ring in the lower surface of the lower metal plate of upper padding plate 53
Between interior spring 55 and outer spring 56, upper spring positioning protrusion 53a is metal plate and and lower layer by 53a, upper spring positioning protrusion 53a
Metal plate welds together or is integrally formed.
As shown in Figure 10, each secondary spring 13 is corresponded on the curb girder 8 of framework 4 is provided with the second mounting groove 39, second
Mounting groove 39 is embedded in the inside of curb girder 8 or is arranged on curb girder 8 by the way of sinking, the second mounting groove 39 and curb girder 8 one
Body casting and forming.The diameter and lower bolster 54 of second mounting groove 39 cooperate, and so that lower bolster 54 is stuck in the second mounting groove 39 interior and real
Now fix.Lower bolster 54 is made of positioning seat and adjusting pad, and positioning seat is metal plate, equally has one on the upper surface of positioning seat
Lower spring positioning protrusion 54a in a ring protruding upward, lower spring positioning protrusion 54a between interior spring 55 and outer spring 56,
Lower spring positioning protrusion 54a is metal plate, fits together or is integrally formed with positioning seat.After installation, lower bolster 54 is fixed
Being fixedly connected between secondary spring 13 and curb girder 8 is realized in 39 bottom of the second mounting groove of framework 4, lower bolster 54 and curb girder 8 it
Between equally without traditional bolted mode, keep installing and dismounting more simple and convenient, reduce the use of fastener
And maintenance, also further make 13 structure of secondary spring more compact.The second mounting groove 39 on curb girder 8 is inverted conical shape structure,
, can also be to avoid when vehicle be run while fixed secondary spring 13, the inner wall of secondary spring 13 and the second mounting groove 39
Collision.In the present embodiment, the top and bottom of secondary spring 13, which is respectively embedded into, to be mounted in bolster 10 and curb girder 8, this structure
The mounting height of bolster 10 can be reduced, and then the height of floor can be further decreased.
On the one hand upper spring positioning protrusion 53a and lower spring positioning protrusion 54a plays damping effect, on the other hand, this
Kind " protrusion " structure separates interior spring 55 and outer spring 56, when vehicle is needed through small curve, i.e., when secondary spring 13 generates greatly
When displacement, reduces a possibility that interior spring 55 and outer spring 56 collide, 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, interior spring adjusting pad is rubber pad,
It is mounted on the bottom of the i.e. interior spring 55 of inner ring of lower spring positioning protrusion 54a, the tune for the 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 pad, is mounted on the i.e. outer spring in outer ring of lower spring positioning protrusion 54a
56 bottom, for the adjustment of outer spring 56, to guarantee that the compression of interior spring 55 and outer spring 56 under same service load is high, Jin Erbao
Running smoothly between card car body and bogie.Meanwhile upper padding plate 53 significantly reduces steel spring using the flexibility of rubber layer
Bring vibration and impact.
Tubular protective cover 59 is installed 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 of the nitrile rubber integrated vulcanizing of oil resistant, fine corrosion resistance.Protective cover 59 by
Upper clamping portion, intermediate cylindrical part and lower clamping portion composition, intermediate cylindrical part use wavy shaped configuration, upper clamping portion and lower clamping portion
It is sealedly and fixedly connected on the first mounting groove 57 and the second mounting groove 39 respectively, is not only advantageous to the peace installation and dismantling of protective cover 59
It unloads, also secondary spring 13 is sealed in protective cover 59, prevent greasy dirt, water droplet etc. from penetrating into the framework of framework, cause to corrode.
In addition, dustproof construction itself realizes folding characteristic at " wave " shape, in vehicle operation to adapt to steel spring under different loads
The sealing of deformation.
Vehicle since circuit question can generate vertical vibration, and then can generate vertical impact to car body in high-speed cruising,
In order to avoid overshoot phenomenon occurs, the maximum vertical vibration distance of car body is limited, limit is avoided exceeding, as shown in fig. 7, this implementation
In example, lift is additionally provided between bolster 10 and framework 4, lift can not only limit the maximum vertical vibration of car body
Dynamic distance, while bogie integral lifting can also be played the role of.
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 mounted between bolster 10 and the curb girder 8 of framework, and four lifting bars 37 are symmetricly set on the two sides in 10 transverse direction of bolster, this
In embodiment, four lifting bars 37 are preferably separately mounted to the centre of four secondary springs 13, i.e. lifting bar 37 passes through interior spring
The top at 55 center, lifting bar 37 is connect by upper connection component with bolster 10, and the bottom end of lifting bar 37 passes through lower connection group
Part is connect with the curb girder 8 of framework 4.Using four lifting bars 37, it can not only guarantee bonding strength when lifting, while can protect
Balance when lifting is held, lifting bar 37 is arranged across secondary spring, while reaching lifting effect, so that whole lifting dress
The structure set is more compact, has reasonably used secondary spring internal structural space, reduces the occupancy in lift space, makes
Low-floor city railway vehicle of the device especially suitable for space anxiety between car body and bogie.Moreover, being mentioned using four
Sunpender 37, it is ensured that when there is the fracture of lifting bar 37, other lifting bars 37 can still guarantee whole lifting.
As illustrated in fig. 7 and fig. 10, upper connection component includes upper lifting mounting base 61, lifting installation sheath 62, connecting pin 63
And attachment base 65, perforative lifting mounting hole 60, lifting installation are provided at the center of the first mounting groove 57 on bolster 10
Hole 60 is a T shape counterbore, and the upper lifting mounting base 61 that vertical section is in π shape, the top of upper lifting mounting base 61 are installed in T shape counterbore
Portion is stuck in lifting mounting hole 60, and a circle sealing ring is additionally provided between upper lifting mounting base 61 and the inner wall of bolster 10, connection
Seat 65 is in substantially inverted T shape, in the supreme lifting mounting base 61 of upper part partial insertion outstanding, will above be mentioned by connecting pin 63
It hangs mounting base 61 to be fixed together with attachment base 65, the top of lifting bar 37 is fixed on attachment base 65 by fixed pin 38
On, it is socketed with lifting installation sheath 62 in the periphery of attachment base 65 and upper lifting mounting base 61, the bottom of sheath 62 is installed in lifting
Portion is fixedly connected by multiple bolts 64 with the top of lifting bar 37.
Lower connection component includes lower lifting mounting base 66, and lower lifting mounting base 66 is removably mounted at the second peace of curb girder 8
The bottom of tankage 39, lower lifting mounting base 66 are mounted on the centre of interior spring 55, are hollow structure protruding upward.Lower lifting
The bottom of mounting base 66 has outwardly directed multiple erecting beds 72, and the bottom of the second mounting groove 39 is provided with mounting groove 73,
Erecting bed 72 is stuck in the fixed installation that lower lifting mounting base 66 is realized in mounting groove 73.It is opened on the roof of lower lifting mounting base 66
There is lifting opening 67, the bottom of lifting bar 37 passes through lifting opening 67 and enters in lower lifting mounting base 66, the bottom of lifting bar 37
One bayonet 68 is installed, the diameter of bayonet 68 is greater than the diameter of lifting opening 67, has at the central through hole of bayonet 68 step-like
Structure is correspondingly provided with integrated stopper section 71 raised in a ring, the step-like structure card of bayonet 68 on lifting bar 37
On stopper section 71, there is external screw thread on the lifting bar 37 below bayonet 68, fasten a nut 69 thereon, bayonet 68 is defined
Between stopper section 71 and nut 69, a circle sealing ring 70 is additionally provided in the inner ring of bayonet 68.Bayonet 68 and lifting opening 67
Between have certain distance, this distance be prevent overshoot distance, after installation, if bolster 10 moves up on vertical,
The bayonet 68 of 37 bottom of lifting bar may be stuck at lifting opening 67, and then can be to avoid overshoot.Meanwhile the lifting bar 37 is rising
When hanging, bayonet 68 is stuck on framework 4, realizes the integral lifting of bogie and car body, entire lift installation, disassembly are very
It is convenient.Lower lifting mounting base 66 is mounted on the centre of interior spring 55, while playing the role of prevents overshoot and whole lifting, also
It is possible to prevente effectively from secondary spring 13 generates biggish shaking in vehicle operation.
As shown in Fig. 2, Fig. 3, Fig. 7, Figure 11, Figure 12, one is each provided with positioned at two sides of the bolster 10 in cross-car
Outwardly directed damper mounting base 32, damper mounting base 32 are symmetricly set on the outside of secondary spring 13, damper installation
Seat 32 and 10 integrally casting shaping of bolster.One lateral damper 14 is installed in each damper mounting base 32 and one hangs down
To damper 15, lateral damper 14 and vertical damper 15 are fixedly mounted in damper mounting base 32 simultaneously by bolt.
Damper mounting base 32 is in step-like structure in the side of bolster 10, is opened in the position of the first order step of inside
There is a construction opening 75, is provided with bolt hole 17 on the side wall of construction opening 75, for being bolted lateral damper 14,
Another bolt hole 76 is provided on the position of outermost second level step, for being bolted vertical damper 15.Subtract
The structure for device mounting base 32 of shaking is not only simple, and is easy to the installation and removal of lateral damper 14 and vertical damper 15.
As shown in figure 12, lateral damper 14 is identical with the structure of vertical damper 15, by damper ontology 44, first
Connecting rod 45, the second connecting rod 46 form, and there are four mounting holes, vertical damper 15 to subtract for tool on the shell of damper ontology 44
Device ontology 44 shake by being bolted directly on the inside side plate of mounting rail 7, the damper ontology 44 of lateral damper 14 is first
It is bolted in lateral damper fixing seat 77, lateral damper fixing seat 77 is bolted on mounting rail 7 again
Inside side plate on, be provided with lateral damper fixing seat and vertical damper fixing seat on the side wall of mounting rail 7, first connects
One end of extension bar 45 is fixedly connected with damper ontology 44, and the other end is connect with the second connecting rod 46, the second connecting rod 46 it is another
One end is connect with the damper mounting base 32 of 10 side of bolster.The both ends of second connecting rod 46 and first connecting rod 45 and damper
It is connected between mounting base 32 by an oscillating bearing 47.The outer ring of oscillating bearing 47 is connect with the second connecting rod 46, joint shaft
47 inner ring installation one connecting shaft 48 of connection is held, connecting shaft 48 stretches out the bolt hole 76 for being inserted into damper mounting base 32 from side
In bolt hole 17, and it is bolted.Connection structure between second connecting rod 46 and the first first connecting rod 45 is therewith
It is identical.
As shown in figure 12, in the present embodiment, the second connecting rod 46 is divided into two sections, centre is connected by one section of connecting rod 49,
It is connected through a screw thread between connecting rod 49 and two section of second connecting rod 46, this structure can be convenient the second connecting rod 46 and both ends
First connecting rod 45 is fixedly connected with lateral damper fixing seat or vertical damper fixing seat.
As shown in figure 12, a dust cover 50 is respectively cased in the outside of the oscillating bearing 47 at 46 both ends of the second connecting rod.Such as
Shown in Figure 13, dust cover 50 is made of rubber material, opening 51 that there are two tools and opening 52, and opening 51 and the direction of opening 52 are in
90 degree, an opening 51 was for covering the second connecting rod 46, and another opening 52 was for covering the company connecting with the second connecting rod 46
Spindle 48,52 diameter of being open is slightly less than the diameter of connecting shaft 48, and its round edge is taper, so that herein can be close close after installation
The diameter of envelope, another opening 51 is bigger, facilitates installation, is tightened and is fixed in the second connecting rod 46 by band 74 after installation.?
Dust cover 50 has wave structure close to the position of opening 52, is improving enough distortion allowances.Below the second connecting rod 46
Oscillating bearing 47 on also have pouring orifice.
As is illustrated by figs. 11 and 12, the first connecting rod 45 of lateral damper 14 is vertical setting, the second connecting rod
46 are laterally arranged, and the first connecting rod 45 of vertical damper 15 is laterally arranged, and the second connecting rod 46 is vertical sets
It sets, is connected since each junction is all made of oscillating bearing 47, when generating oscillation crosswise or vertical vibration when the vehicle is running, the
Two connecting rods 46 can be swung within a certain angle on lateral or vertical, and then first connecting rod 45 is driven to swing, damper sheet
Body 44 limit first connecting rod 45 swing angle, and then play horizontally with it is vertical on damping effect.
Lateral damper 14 and vertical damper 15 are mounted on the two sides of bolster 10 and the mounting rail 7 of framework 4 by the present invention
Side between, lateral damper 14 and vertical damper 1 are mounted in the opening surrounded by mounting rail 7 and curb girder 8 and fixed
On the side plate of 7 inside of mounting rail, and damper ontology 44 is by first connecting rod 45 and the second connecting rod 46 and as vibration
The framework 4 in dynamic source connects, and the rotary motion of damper ontology 44 is not only changed into the linear motion of the second connecting rod 46, effectively
The amplification for realizing transverse direction and vertical deviation increases the damping regulating effect of damper, and adjusting is more flexible, but also turning to
The structure of frame is simpler compact, reduces occupied space, is more favorable to reduce height of floor from rail top.
As shown in fig. 7, being additionally provided with two at the position of damper mounting base 32 on two angles of 10 upper surface of bolster
A cavity 31, cavity 31 is arranged here can play the role of reinforcing rib, improve the structural strength and rigidity of entire bolster 10,
The effect of loss of weight is also functioned to simultaneously.A discharge outlet is also had in two cavitys 31, discharge outlet runs through bolster 10, with side
Just the rainwater in cavity 31 and flushing water discharge are accumulated in.
As described above, the plan content in conjunction with given by attached drawing, can derive similar technical solution.But it is all not take off
Content from technical solution of the present invention, according to the technical essence of the invention it is to the above embodiments it is any it is simple modification, etc.
With variation and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (13)
1. a kind of low-floor articulated track vehicle bogie suspension traction device, including bolster, primary spring and secondary spring,
Pass through swing mechanism between the bolster and car body to connect, it is characterised in that: it further include two drawing pull bars being parallel to each other, two
Drawing pull bar described in root is mounted between two curb girders of framework, and the bolster passes through described in two in the longitudinal side of car body
The connection of the end carriage of drawing pull bar and framework.
2. low-floor articulated track vehicle bogie suspension traction device according to claim 1, it is characterised in that:
The side of the bolster is provided with the first drawing pull bar installation interface connecting with the drawing pull bar, in the end carriage of the framework
On be provided with the second drawing pull bar installation interface connecting with the drawing pull bar, the both ends of the drawing pull bar are respectively with first
Drawing pull bar installation interface and the second drawing pull bar installation interface are fixedly connected.
3. low-floor articulated track vehicle bogie suspension traction device according to claim 2, it is characterised in that: institute
Stating the first drawing pull bar installation interface and the second drawing pull bar installation interface is seperated structure, on two seperated parts
Be respectively arranged with it is semicircular opening and collectively constituted after fastening it is circular for install drawing pull bar the first installing port and
Second installing port, two parts are bolted to connection.
4. low-floor articulated track vehicle bogie suspension traction device according to claim 3, it is characterised in that: institute
The top half for stating the first drawing pull bar installation interface is the multiple downward projection of arch openings being arranged in the bolster side
Structure, the lower half portion that the first drawing pull bar installs interface is respectively independently installed multiple mounting blocks, and corresponding each arch is opened
The side wall of mouth two sides is respectively fixedly connected with a mounting blocks.
5. low-floor articulated track vehicle bogie suspension traction device according to claim 4, it is characterised in that: institute
The upper surface for stating the first drawing pull bar installation interface is the bolster upper surface to the part of lower recess.
6. low-floor articulated track vehicle bogie suspension traction device according to claim 2, it is characterised in that:
Be provided on the end carriage of the framework with the corresponding multiple construction opening slots of second drawing pull bar installation interface, described second
Drawing pull bar installation interface is bolted on the side wall of the construction opening slot.
7. low-floor articulated track vehicle bogie suspension traction device according to claim 1, it is characterised in that:
The center of the lower surface of the bolster extends downwardly an extension, and the extension is inserted into opening of being architecturally arranged
In mouthful, lateral backstop is separately installed on the both lateral sides side wall of the opening, the extension stretches to two cross
To between backstop, and between the lateral backstop, there are lateral backstop gaps.
8. low-floor articulated track vehicle bogie suspension traction device according to claim 1, it is characterised in that:
Two sides in the cross-car of the bolster are respectively equipped with lateral damper and vertical damper, the lateral damper and vertical
The other end of damper is connect with framework.
9. low-floor articulated track vehicle bogie suspension traction device according to claim 8, it is characterised in that:
The two sides of the bolster be each provided with one it is outwardly directed in step-like damper mounting base, in damper mounting base in
The position of side stage rank is provided with a construction opening, and the lateral damper is bolted on the side wall of the construction opening,
The vertical damper is bolted on the outside step of the damper mounting base.
10. low-floor articulated track vehicle bogie suspension traction device according to claim 8, it is characterised in that:
Mounting rail is provided on the outside of the curb girder of framework, the mounting rail and curb girder form " II " shape structure, the lateral damper
The side plate for being mounted in the opening surrounded by the mounting rail and curb girder and being fixed on the inside of the mounting rail with vertical damper
On.
11. low-floor articulated track vehicle bogie suspension traction device according to claim 1, it is characterised in that:
Lift is provided between the bolster and framework, the top of the lift is connect with bolster, the lift
Bottom end connect with framework.
12. low-floor articulated track vehicle bogie suspension traction device according to claim 11, it is characterised in that:
The lift is more lifting bars, and the quantity of the lifting bar is corresponding with the quantity of secondary spring, in each two system bullet
One lifting bar is installed respectively inside spring.
13. low-floor articulated track vehicle bogie suspension traction device according to claim 1, it is characterised in that:
The secondary spring is symmetrically mounted between the two sides of the bolster and two curb girders of framework, the top of the secondary spring and
Bottom, which is respectively embedded into, to be mounted in the bolster and curb girder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579844.5A CN106043344B (en) | 2016-07-22 | 2016-07-22 | Low-floor articulated track vehicle bogie suspension traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579844.5A CN106043344B (en) | 2016-07-22 | 2016-07-22 | Low-floor articulated track vehicle bogie suspension traction device |
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| Publication Number | Publication Date |
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| CN106043344A CN106043344A (en) | 2016-10-26 |
| CN106043344B true CN106043344B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610579844.5A Active CN106043344B (en) | 2016-07-22 | 2016-07-22 | Low-floor articulated track vehicle bogie suspension traction device |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555321B (en) * | 2020-12-04 | 2024-06-18 | 中车南京浦镇车辆有限公司 | Air spring with lifting function, trailer bogie and rubber wheel train |
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| GB1424605A (en) * | 1973-09-05 | 1976-02-11 | Gen Steel Ind Inc | Railway vehicles |
| CN201021148Y (en) * | 2006-11-13 | 2008-02-13 | 南车四方机车车辆股份有限公司 | Linear motor radial bogie |
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| CN106043344A (en) | 2016-10-26 |
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