CN206187036U - Low floor railway vehicle bogie traction pull rod - Google Patents
Low floor railway vehicle bogie traction pull rod Download PDFInfo
- Publication number
- CN206187036U CN206187036U CN201620473689.4U CN201620473689U CN206187036U CN 206187036 U CN206187036 U CN 206187036U CN 201620473689 U CN201620473689 U CN 201620473689U CN 206187036 U CN206187036 U CN 206187036U
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- CN
- China
- Prior art keywords
- pull bar
- ball pivot
- drawing pull
- connecting seat
- pull rod
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Abstract
The utility model relates to a low floor railway vehicle bogie traction pull rod, including the middle pull rod and the ball pivot at both ends, the ball pivot comprises the ball pivot axle and the outer ball pivot cover at center, ball pivot cover and pull rod fixed connection two ball pivots of ball pivot are epaxial respectively installs a connecting seat, two the connecting seat symmetry sets up the both sides at the ball pivot, connecting seat and traction pull rod installation interface fixed connection, traction pull rod installation interface is split type structure, will behind two partial locks of components of a whole that can function independently the connecting seat is closely fixed wherein. The utility model has the characteristics of simple structure compactness, dependable performance, be convenient for the installation, can improve vertical traction force.
Description
Technical field
The utility model is related to a kind of low-floor rail vehicle bogie, and more particularly to one kind is in low-floor radial type track
The drawing pull bar installed on vehicle, belongs to rail vehicle manufacturing technology field.
Background technology
Low-floor urban rail vehicle plays more and more important effect, present low-floor urban rail car in many urban transportations
, its articulated structure is bodywork-type articulated structure, and bogie is traditional bogie.Existing Low-floor urban rail vehicle generally has
Have that small curve negotiation ability is poor, floor it is higher be difficult to get on or off the bus setting and heavy draw-gear the problems such as.With city rail vehicle
Continuous progress, the requirement more and more higher to city rail vehicle, it is therefore desirable to which providing one kind can reduce floor beneficial to getting on or off the bus
Set, and simple and compact for structure, curve negotiation ability is strong, lightweight low-floor articulated track vehicle.
In existing rail vehicle, draw-gear is mainly by a towing pin in center, a traction seat and two tractions
Pull bar is constituted, and towing pin is fitted on traction seat, is fixed on car body at the top of towing pin, and two drawing pull bars are solid in zigzag
The both sides of traction seat are scheduled on, the other end of drawing pull bar is connected with framework, drawing pull bar is used to transmit between car body and bogie
Tractive force and brake force, the structure of drawing pull bar mounting seat of the prior art is not suitable for setting two on bogie shakes
The structure of pillow.
The content of the invention
The utility model main purpose is to solve the above problems and not enough, there is provided a kind of simple and compact for structure, is easy to peace
Dress, and the low-floor rail vehicle bogie drawing pull bar of longitudinal traction can be improved.
To achieve the above object, the technical solution of the utility model is：
A kind of low-floor rail vehicle bogie drawing pull bar, including middle pull bar and the ball pivot at two ends, the ball pivot
It is made up of the ball pivot axle at center and the ball pivot set of outer layer, the ball pivot set is fixedly connected with pull bar, in two balls of the ball pivot
One connecting seat is respectively installed, two connecting seats are symmetricly set on the both sides of ball pivot, and the connecting seat draws with traction on hinge
Bar mounting interface is fixedly connected, and the drawing pull bar mounting interface is split-type structural, by institute after two part snap-fits of split
Connecting seat is stated to be tightly fastened wherein.
Further, the end of the pull bar is taken the shape of the letter U structure, and ball pivot is inserted into U-shaped structure by fastener and the drawing
Bar is fixedly connected.
Further, the connecting seat is cylinder, and its center has mounting hole, coordinates with the ball pivot axle of ball pivot and fixes.
To sum up content, a kind of low-floor rail vehicle bogie drawing pull bar described in the utility model, in drawing pull bar
End the connecting seat of cylinder is set, coordinate with the circular mounting mouthful of drawing pull bar mounting interface and fix, longitudinal direction transmission power is led to
Cross complete circular binding face to realize, can not only improve longitudinal transmission capacity, and abrasion can be mitigated, while drawing pull bar
Two ends set ball pivot, make it have less lateral stiffness, meet lateral displacement and longitudinal direction big between car body and bogie
Displacement, the utility model has simple and compact for structure, dependable performance, can improve longitudinal traction and the characteristics of anti-side is rolled.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model bogie；
Fig. 2 is the top view of the utility model bogie structure；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the B-B sectional views of Fig. 2；
Fig. 5 is the utility model drawing pull bar structural representation；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the utility model bolster composition structural representation；
Fig. 8 is the top view that the utility model bolster constitutes structure；
Fig. 9 is the A direction views of Fig. 8.
As shown in Figures 1 to 9, bogie 1, framework 2, slew gear 3 is taken turns to 4, wheel 5, mounting rail 6, curb girder 7, end carriage
8, center crossbeam 9, bolster 10, secondary spring device 11, lateral damper 12, vertical damper 13, drawing pull bar 14, pull bar
15, ball pivot 16, connecting seat 17, U-shaped structure 18, fastener 19, the first drawing pull bar mounting interface 20, the first installing port 21, spiral shell
Bolt 22, pin-and-hole 23, alignment pin 24, installing plate 25, bolt 26, annular groove 27, the second drawing pull bar mounting interface 28, second installs
Mouth 29, bolt 30, groove 31, bolt 32, nut 33, location structure 34.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of low-floor bogie drawing pull bar, installed in the steering of low-floor articulated track vehicle
On frame, the rail vehicle includes more piece compartment, and bogie 1, two section compartment difference are installed below the junction in every two section compartments
It is connected by slew gear 3 with the bogie 1.
Bogie 1 includes framework 2, single stage suspension device, secondary suspension device, draw-gear, wheel to 4, motor（Figure
Not shown in）, brake etc., motor is using four and drives four wheels 5 respectively, and four motors are fixed respectively to pacify
On the mounting rail 6 of the both sides of framework 2, motor and brake are arranged so as to advantageously reduce installed in the outside of wheel 5
The height on floor.
As shown in Figures 2 and 3, framework 2 includes two curb girders, 7, two end carriages 8, in two middle settings of curb girder 7 one
Center crossbeam 9, two longitudinal directions of the centrally disposed crossbeam 9 of the Parallel Symmetric of end carriage 8（Refer to length over ends of body direction）On both sides,
Two transverse directions of curb girder 7（Refer to width of the carbody direction）On outside be separately provided for install motor and brake
Mounting rail 6, curb girder 7, end carriage 8 use box structure, while structural strength and rigidity is ensured, can reduce framework 2
Weight, center crossbeam 9 uses the structure of integrally casting shaping, and the two ends of center crossbeam 9 are welded on two curb girders 7.
As shown in Figures 2 to 4, secondary suspension device includes bolster 10, secondary spring device 11, lateral damper 12 and hangs down
To shock absorber 13 etc., draw-gear includes drawing pull bar 14.In the present embodiment, bolster 10 is set to two, and drawing pull bar 14 sets
Be set to two groups, two bolster 10 are separately mounted to every group of wheel to two centres of wheel 5 in 4, two bolster 10 with it is adjacent
The car body in two section compartments（Not shown in figure）Connected by slew gear 3 respectively, each bolster 10 passes through one group of drawing pull bar
14 are connected with framework 2, two groups of secondary spring devices 11 are set between the lower section of each bolster 10 and the end carriage 8 of framework 2, at each
The side towards the outside of framework 2 of bolster 10 is provided with a lateral damper 12 and two vertical dampers 13, and two vertical
Shock absorber 13 is arranged on the both sides on the cross-car direction of lateral damper 12.
As shown in Figures 2 to 4, each bolster 10 is connected by one group of drawing pull bar 14 with the center crossbeam 9 of framework 2, and two
Group drawing pull bar 14 sets up separately in the both sides of center crossbeam 9, and every group of drawing pull bar 14 includes one or more drawing pull bar 14, i.e., often
Individual bolster 10 is connected by one or more drawing pull bar 14 with the center crossbeam 9 of framework 2, one end of drawing pull bar 14 with shake
Pillow 10 is connected, and the other end is then connected with the center crossbeam 9 of framework 2.
In the present embodiment, preferably every group drawing pull bar 14 includes that two drawing pull bars 14, i.e. each bolster 10 pass through two
Root drawing pull bar 14 is connected with the center crossbeam 9 of framework 2, two two sides in framework 2 arranged in parallel of drawing pull bar 14
Between beam 7.Two bolster 10 are connected by two drawing pull bars 14 with the center crossbeam 9 of framework 2 respectively, not only can be preferably real
Traction and the transmission of brake force, carry vertical, transverse direction, longitudinal loading, and the every end of drawing pull bar 14 when existing vehicle runs
Portion is all connected directly between on the center crossbeam 9 of framework 2, two bolster 10 and two groups of drawing pull bars 14 is not influenceed mutually, one
Bolster 10 does not interfere with the lengthwise movement of another bolster 10 in lengthwise movement, and the vibratory impulse in compartment will not also be passed
Another compartment is passed, beneficial to the decoupling between two neighboring car body, the comfortableness and reliability of operation of seating can be improved.
In addition, each bolster 10 is connected by two parallel drawing pull bars 14 with the center crossbeam 9 of framework 2, two can also be utilized
Parallel drawing pull bar 14 plays a part of anti-side rolling torsion rod, runs vehicle more steady, and simplify the knot of bogie
Structure.
As shown in Figure 5 and Figure 6, the structure of drawing pull bar 14 includes the pull bar 15 of centre and the ball pivot 16 at two ends, pull bar 15
Two ends take the shape of the letter U structure 18, two ball pivots 16 are inserted into U-shaped structure 18 respectively to be consolidated by fastener 19 with pull bar 15
Fixed connection, ball pivot 16 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 hinged by sphere curved surface
Coordinate, ball pivot set is fixedly connected with pull bar 15.One connecting seat 17, two are respectively installed on two ball pivot axles of each ball pivot 16
Connecting seat 17 is symmetricly set on the both sides of the end ball pivot 16, and connecting seat 17 is cylinder, and its center has mounting hole（Do not marked in figure
Show）, coordinate with the axle of ball pivot 16 and fix.
As shown in Figure 7 and Figure 8, it is in a polygonal structure that bolster 10 is overall, using monoblock cast, can not only be ensured
Its bulk strength and rigidity, it is to avoid the welding stress that welding structure is produced, greatly improve the bearing capacity of bolster 10, can also drop
The thickness and weight of low bolster 10, beneficial to the height for reducing floor, while also realizing lightweight beneficial to vehicle.
The first drawing pull bar for being connected with drawing pull bar 14 is provided with towards the side of center crossbeam 9 installs in bolster 10 and connect
Mouth 20.Depending on quantity quantity of drawing pull bar to be mounted 14 according to needed for of the first drawing pull bar mounting interface 20, this implementation
In example, two drawing pull bars 14 are installed in the side of each bolster 10, and the end of each drawing pull bar 14 needs two first tractions
Pull bar mounting interface 20, the side to two connecting seats 17 of the end of fixed traction pull bar 14, therefore each bolster 10 is set
Four the first drawing pull bar mounting interfaces 20, four the first drawing pull bar mounting interfaces 20 are disposed side by side on bolster 10 in in-line
Side, middle two the first drawing pull bar mounting interfaces 20 are closely packed together or are structure as a whole.Four the first drawing pull bars
The upper surface of mounting interface 20 is respectively provided with a reclinate arch section, is beneficial to the overall drawing pull bar that reduces and constitutes 7
Setting height(from bottom), and then beneficial to the height of reduction floor.
There is the circle for accommodating the end connecting seat 17 of drawing pull bar 14 on each first drawing pull bar mounting interface 20
The first installing port of shape 21, the ball pivot 16 of the end of drawing pull bar 14 is located between two the first drawing pull bar mounting interfaces 20, every
Four bolts hole for being used for fixing bolt 22 are set on the both sides of individual first drawing pull bar mounting interface 20（Not shown in figure）.
Dismount for convenience, in the present embodiment, four the first drawing pull bar mounting interfaces 20 are disposed as the knot of split
Structure, that is, be divided into upper and lower two parts, and semicircular opening is respectively arranged with upper and lower two parts, the common group after fastening
The first circular installing port 21, is correspondingly arranged on the bolt hole of fixing bolt 22 on upper and lower two parts, and the first traction is drawn
The connecting seat 17 of the end of drawing pull bar 14 is tightly fixed to the first peace by upper and lower two parts of bar mounting interface 20 after fastening
In dress mouth 21, upper and lower two parts are fixed together with four bolts 22 finally and realize the fixed installation of drawing pull bar 14.Its
In, top half and the bolster 10 of the first drawing pull bar mounting interface 20 are integrally machined shaping, and the latter half is separately installed；Also may be used
Shaping is integrally machined with by the latter half of the first drawing pull bar mounting interface 20 and bolster 10, top half is separately installed.Such as
Shown in Fig. 5 and Fig. 6, fixed with the first drawing pull bar mounting interface 20 for convenience, set on the excircle of each connecting seat 17
A pin-and-hole 23 is equipped with, correspondingly a pin-and-hole is also provided with the upper part or lower part of the first drawing pull bar mounting interface 20, pacified
Pin-and-hole during dress on installation one alignment pin 24, with the first drawing pull bar mounting interface 20 in the pin-and-hole 23 of connecting seat 17 coordinates,
Drawing pull bar 14 is accurately installed, and installation effectiveness can be improved.
As shown in Fig. 4, Fig. 8 and Fig. 9, in the present embodiment, in order to the fixation for strengthening the first drawing pull bar mounting interface 20 is strong
Degree, enables drawing pull bar 14 to be fixedly secured, and one piece of installing plate 25 is additionally provided with the top of the first drawing pull bar mounting interface 20,
Two bolts 22 that each two is disposed adjacent are correspondingly arranged one piece of installing plate 25.Installing plate 25 is in step-like structure, in subordinate's platform
Two bolts hole are provided with rank, are used to installing plate 25 is fixed on the first drawing pull bar mounting interface 20 through bolt 26,
Two bolts hole are provided with higher level's step（Do not indicated in figure）, two bolts hole corresponding the first traction with lower section respectively
Bolt hole insertion on pull bar mounting interface 20, bolt 22 also cross the bolt hole on the first drawing pull bar mounting interface 20 and
Be fixedly connected on for two parts up and down of first drawing pull bar mounting interface 20 by the bolt hole on higher level's step on installing plate 25
Together.
As shown in Figures 2 to 4, there is the annular groove 27 of the strip for extending transversely on the center crossbeam 9 of framework 2,
Annular groove 27 respectively sets one on the upper and lower surface of center crossbeam 9, and connection can increase knot herein in the middle of center crossbeam 9
Structure intensity, improves bearing capacity, and upper and lower two strip annular grooves 27 can also be through setting.In the annular groove 27 of center crossbeam 9
Two side walls on be installed with the second drawing pull bar mounting interface 28 respectively, four second tractions are installed on each side wall
Pull bar mounting interface 28, four the second drawing pull bar mounting interfaces 28 are disposed side by side on the side side wall of annular groove 27, in
Between two the second drawing pull bar mounting interfaces 28 be closely packed together fixed or be integral type structure, four the second drawing pull bars are installed
Interface 28 is used to fix two four connecting seats 17 of the end of drawing pull bar 14.Annular groove 27 is set in center crossbeam 9, greatly
Facilitate the dismounting of the second drawing pull bar mounting interface 28.
As shown in Figure 3 and Figure 4, the second drawing pull bar mounting interface 28 is designed to Split type structure, is divided into left and right two parts,
There is half circular mounting mouthful on each part, the second complete installing port 29 is formed after two part snap-fits, led for accommodating
Be pulled the connecting seat 17 of the end of bar 14, and the side wall of one of center crossbeam 9 with framework 2 is fixedly connected, is led in the block second
The be pulled center of bar mounting interface 28 has a smooth bore, be correspondingly also equipped with the side wall of center crossbeam 9 having in
, with center crossbeam 9 be fixed together the block by bolt 30 by the screwed hole of screw thread.In order to avoid bolt 30 influences after mounting
The installation of drawing pull bar 14, a groove 31 is set on the inwall of the second drawing pull bar of block mounting interface 28, is used to accommodate spiral shell
The head of bolt 30.In order to improve installation effectiveness, it is accurately positioned when being easily installed, is led in center crossbeam 9 and fixed thereto second
It is pulled on bar mounting interface 28 and is provided with location structure 34, location structure 34 includes the detent on centrally disposed crossbeam 9
With the positioning convex being arranged on the second drawing pull bar mounting interface 28.
During installation, two connecting seats 17 of the end of drawing pull bar 14 are correspondingly placed into the semicircle installing port of both sides, then
By another piece of fastening, and two pieces are fixed together with four bolts 32, and then by the connecting seat of the end of drawing pull bar 14
17 fix, and the nut 33 for tightening the end of bolt 32 stretches into from the center of annular groove 27, is inserted into the afterbody of bolt 32 and twists
Tightly, two nuts 33 are respectively installed, you can the fixation of complete drawing pull bar 14 in upper and lower two annular grooves 27, the very simple side of operation
Just, installation effectiveness greatly improved, regular maintenance is more favorable to.As when the first drawing pull bar mounting interface 20 is installed,
The pin-and-hole on an alignment pin 24, with the second drawing pull bar mounting interface 28 is installed in the pin-and-hole 23 of connecting seat 17 during installation to match somebody with somebody
Close, drawing pull bar 14 is accurately installed, and installation effectiveness can be improved.
As described above, the plan content with reference to given by accompanying drawing, can derive similar technical scheme.In every case it is not de-
From the content of technical solutions of the utility model, according to technical spirit of the present utility model above example is made it is any simple
Modification, equivalent variations and modification, still fall within the range of technical solutions of the utility model.
Claims (3)
1. a kind of low-floor rail vehicle bogie drawing pull bar, it is characterised in that：Ball pivot including middle pull bar and two ends,
The ball pivot is made up of the ball pivot axle at center and the ball pivot set of outer layer, and the ball pivot set is fixedly connected with pull bar, in the ball pivot
Two ball pivot axles on a connecting seat is respectively installed, two connecting seats are symmetricly set on the both sides of ball pivot, the connecting seat
It is fixedly connected with drawing pull bar mounting interface, the drawing pull bar mounting interface is split-type structural, two parts of split are detained
The connecting seat is tightly fastened wherein after conjunction.
2. low-floor rail vehicle bogie drawing pull bar according to claim 1, it is characterised in that：The end of the pull bar
Portion is taken the shape of the letter U structure, and ball pivot is inserted into U-shaped structure and is fixedly connected with the pull bar by fastener.
3. low-floor rail vehicle bogie drawing pull bar according to claim 1, it is characterised in that：The connecting seat is
Cylinder, its center has mounting hole, coordinates with the ball pivot axle of ball pivot and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620473689.4U CN206187036U (en) | 2016-05-21 | 2016-05-21 | Low floor railway vehicle bogie traction pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620473689.4U CN206187036U (en) | 2016-05-21 | 2016-05-21 | Low floor railway vehicle bogie traction pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206187036U true CN206187036U (en) | 2017-05-24 |
Family
ID=58735831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620473689.4U Active CN206187036U (en) | 2016-05-21 | 2016-05-21 | Low floor railway vehicle bogie traction pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206187036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216755A (en) * | 2018-11-23 | 2020-06-02 | 中车唐山机车车辆有限公司 | Pull rod seat, vehicle body and railway vehicle |
-
2016
- 2016-05-21 CN CN201620473689.4U patent/CN206187036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216755A (en) * | 2018-11-23 | 2020-06-02 | 中车唐山机车车辆有限公司 | Pull rod seat, vehicle body and railway vehicle |
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