CN206520610U - Bogie assembly and rail vehicle - Google Patents
Bogie assembly and rail vehicle Download PDFInfo
- Publication number
- CN206520610U CN206520610U CN201621070259.4U CN201621070259U CN206520610U CN 206520610 U CN206520610 U CN 206520610U CN 201621070259 U CN201621070259 U CN 201621070259U CN 206520610 U CN206520610 U CN 206520610U
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- Prior art keywords
- tie
- bogie
- electronic assembly
- seat
- suspension
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
- B61B13/06—Saddle or like balanced type
-
- 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
- B61F3/00—Types of bogies
-
- 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
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/42—Adjustment controlled by buffer or coupling gear
-
- 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
- B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a kind of bogie assembly and rail vehicle, bogie assembly includes：Electronic assembly；It is provided with bogie frame, the bogie frame at electronic assembly mounting groove, the electronic assembly mounting groove and is provided with axial limiting part and radial direction locating part, the electronic assembly is fixedly connected on the axial limiting part and the radial direction locating part.Axial limiting part can limit the axial freedom of electronic assembly, and radial direction locating part can limit the radial direction free degree of electronic assembly, so as to improve installation reliability of the electronic assembly in electronic assembly mounting groove.
Description
Technical field
The utility model is related to rail vehicle technical field, more particularly to a kind of bogie assembly and with the bogie
The rail vehicle of assembly.
Background technology
In correlation technique, the electronic assembly in rail vehicle is very important part, and electronic assembly can be used as traveling
The power source of wheel, electronic assembly is typically mounted on bogie, but bogie is not firm to the fixed form of electronic assembly, this
The position that sample is easily caused electronic assembly shifts, and oppresses miscellaneous part, or even can be rubbed with miscellaneous part, produces shake
Dynamic and noise.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
With a kind of bogie assembly of new proposition, the bogie frame in the bogie assembly can preferably fix electronic assembly.
The utility model further proposes a kind of rail vehicle.
According to bogie assembly of the present utility model, including：Electronic assembly；On bogie frame, the bogie frame
It is provided with electronic assembly mounting groove, the electronic assembly mounting groove and is provided with axial limiting part and radial direction locating part, the electricity
Dynamic assembly is fixedly connected on the axial limiting part and the radial direction locating part.
According to bogie assembly of the present utility model, axial limiting part can limit the axial freedom of electronic assembly, footpath
The radial direction free degree of electronic assembly can be limited to locating part, so as to improve electronic assembly in electronic assembly mounting groove
Installation reliability.
In addition, can also have following additional technical feature according to bogie assembly of the present utility model：
In some examples of the present utility model, the axial limiting part is for platy structure and perpendicular to the electronic assembly
Axis, the axial limiting part substantially takes the shape of the letter U and is distributed with multiple mounting holes in the direction of extension.
In some examples of the present utility model, the radial direction locating part is platy structure and is located at respectively described electronic total
Into both sides and be respectively arranged with mounting hole.
In some examples of the present utility model, the radial direction locating part is for two and on the axis of the electronic assembly
It is arranged symmetrically.
In some examples of the present utility model, the radial direction locating part extends above the upper of the bogie frame
Surface, the upper surface of the bogie frame is provided with the radial direction locating part reinforcement for being connected to the radial direction locating part beyond part
Muscle.
In some examples of the present utility model, the bogie frame includes：Turn to frame body and suspension strut seat, institute
State and be provided with the electronic assembly mounting groove on steering frame body, the suspension strut seat is two and is connected to described turn
To frame body opposite sides and with it is described steering frame body limit errant recess jointly.
In some examples of the present utility model, the suspension strut seat is substantially horizontal, the steering frame body
Rounding off is used between the suspension strut seat.
In some examples of the present utility model, horizontal backstop mounting seat is provided with the steering frame body, is arranged on
Suspension on the suspension strut seat is suitable to be provided with suspension stop part, and the suspension stop part is pacified with the horizontal backstop
Fill seat corresponding.
In some examples of the present utility model, it is described steering frame body it is generally rectangular and including：Head and the tail are sequentially connected
The first tie-beam to the 4th tie-beam, first tie-beam and the 3rd tie-beam be relative and second tie-beam and
4th tie-beam is relative, and the electronic assembly mounting groove is formed on the 4th tie-beam, the 4th tie-beam
Thickness is more than the thickness of second mounting rail.
In some examples of the present utility model, two suspension struts seats be connected to second tie-beam and
On 4th tie-beam, the upper surface of second tie-beam between the upper surface of the corresponding suspension strut seat away from
From between 480mm-660mm, the upper surface of the 4th tie-beam is between the upper surface of the corresponding suspension strut seat
Distance between 620mm-800mm.
According to rail vehicle of the present utility model, including：Car body；Described bogie assembly, the car body is arranged on institute
State on bogie assembly.
The rail vehicle is identical with the beneficial effect of above-mentioned bogie assembly, will not be described in detail herein.
Brief description of the drawings
Fig. 1 is the structural representation of bogie assembly according to embodiments of the present invention, car body and track girder；
Fig. 2 is the front view between bogie assembly according to embodiments of the present invention and car body；
Fig. 3 is the side view of bogie assembly according to embodiments of the present invention；
Fig. 4 is the stereogram of bogie frame；
Fig. 5 is the partial schematic diagram of electronic assembly and bogie frame；
Fig. 6 is bogie frame and the stereogram of suspension；
Fig. 7 is the explosive view of suspension；
Fig. 8 is the stereogram of car body connecting seat；
Fig. 9 is the stereogram of bogie frame；
Figure 10 is the stereogram of bogie frame；
Figure 11 is the partial structural diagram of bogie frame；
Figure 12 is the explosive view of the first tie-beam；
Figure 13 is the enlarged drawing of region A in Fig. 1；
Figure 14 is the exploded view of directive wheel and directive wheel mounting seat；
Figure 15 is the structural representation of elastic component limiting bracket.
Reference：
Bogie assembly 1000；
Bogie frame 100；Travelling wheel mounting groove 101；Electronic assembly mounting groove 102；Axial limiting part 103；Radially limit
Position part 104；Radial direction locating part reinforcement 105；Track recess 106；The reinforcement 107 of electronic assembly mounting groove；Vertical stiffeners
108；Tilt reinforcement 109；
Turn to frame body 110；Horizontal backstop mounting seat 111；First tie-beam 112；Second tie-beam 113；3rd connection
Beam 114；4th tie-beam 115；Turn to the escape groove 116 of frame body；Tie-beam reinforcement 117；Horizontal wheels mounting seat reinforcement
118；Roof 112a；Bottom wall 112b；Lateral wall 112c；Madial wall 112d；
Suspension strut seat 120；Connection strengthening rib 121；Directive wheel mounting seat 130；Second pre-determined bit part 131；Steady wheel is pacified
Fill seat 140；
Travelling wheel 200；Electronic assembly 300；
Suspension 400；Car body connecting seat 410；Hang stop part 411；Upper plate 412；Lower plate 413；Cushion pad 414；It is long
Web 415；Stenogastry plate 416；
Elastic component 420；Transverse damper 430；Vertical damper 440；Elastic component limiting bracket 450；The spacing branch of elastic component
The beam 451 of frame；Locating part main body 452；Locating part bottom plate 453；
Directive wheel 500；Directive wheel adjust pad 510；Directive wheel axletree 520；First pre-determined bit part 521；
Steady wheel 600；Steady wheel axletree 610；
Car body 2000；Track girder 3000.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings bogie assembly 1000 according to embodiments of the present invention is described in detail, the bogie assembly 1000
Can be using on the rail vehicle, the rail vehicle also includes car body 2000, and car body 2000 is arranged on bogie assembly 1000,
Rail vehicle can be ridden on the track girder 3000 of single track by bogie assembly 1000, and rail vehicle and track girder 3000 can
To constitute a part for Rail Transit System.
As shown in Figure 1-Figure 3, bogie assembly 1000 can include：Bogie frame 100, suspension 400, travelling wheel
200th, electronic assembly 300, directive wheel 500, steady wheel 600 and haulage gear, bogie frame 100 are formed with track recess 106,
Track recess 106 coordinates on track girder 3000.
Bogie frame 100 can include turning to frame body 110 and suspension strut seat 120, and suspension 400 can be installed
Between suspension strut seat 120 and car body 2000, travelling wheel can be provided with the steering frame body 110 of bogie frame 100
Mounting groove 101 and electronic assembly mounting groove 102, travelling wheel 200 can be rotatably mounted in travelling wheel mounting groove 101, traveling
Wheel 200 can be rotated relative to bogie frame 100 and track girder 3000, and the electronic driving of assembly 300 travelling wheel 200 is rotated, electronic
Assembly 300 is arranged in electronic assembly mounting groove 102, and electronic assembly 300 realizes railcar by driving travelling wheel 200 to rotate
Traveling.Wherein, electronic assembly 300 includes electronic assembly and decelerator, and the power of electronic assembly output is passed by decelerator
Pass travelling wheel 200.
Directive wheel 500, which is arranged on, to be turned on frame body 110, and steady wheel 600 is arranged on suspension strut seat 120, directive wheel
500 be multiple, and multiple directive wheels 500 are separately positioned on the both sides of track girder 3000, and steady wheel 600 is multiple, multiple steady wheels
600 are separately positioned on the both sides of track girder 3000, and the outer peripheral face of directive wheel 500 and steady wheel 600 stops and is against track girder
On 3000, that is to say, that when rail vehicle is in transport condition, directive wheel 500 and the relative orbit beam 3000 of steady wheel 600 are rolled
Dynamic, directive wheel 500 can play guide effect, and it is steady that steady wheel 600 can improve traveling of the rail vehicle on track girder 3000
It is qualitative, so that directive wheel 500 and steady wheel 600 can cause rail vehicle driving stability and reliable.
Haulage gear is connected between bogie frame 100 and car body 2000, and bogie frame 100 can pass through hauling machine
Structure traction car body 2000 is moved, so that rail vehicle is travelled on track girder 3000.
Bogie frame 100 once are first described below.
Bogie frame 100 includes turning to frame body 110 and suspension strut seat 120, and suspension strut seat 120 is two, two
Individual suspension strut seat 120 is connected to the opposite sides for turning to frame body 110.
As shown in Figure 4 and Figure 6, turn to frame body 110 it is generally rectangular, and turn to frame body 110 can include it is multiple
End to end tie-beam, the intermediate region that multiple tie-beams are limited is formed as travelling wheel mounting groove 101, specifically, turns to
Frame body 110 includes：The first tie-beam 112, the second tie-beam 113, the 3rd tie-beam 114 and the 4th company that head and the tail are sequentially connected
Beam 115 is connect, the first tie-beam 112 and the 3rd tie-beam 114 are oppositely arranged, and the second tie-beam 113 and the 4th tie-beam 115
It is oppositely arranged.
As shown in figure 9, on the first tie-beam 112, the second tie-beam 113, the 3rd tie-beam 114 and the 4th tie-beam 115
It is provided with tie-beam reinforcement 117.Tie-beam reinforcement 117 can strengthen the structural strength of corresponding tie-beam, so as to
To strengthen the structural strength for turning to frame body 110, the structural reliability of bogie assembly 1000 can be improved.
Electronic assembly mounting groove 102 is formed on the 4th tie-beam 115, for example, electronic assembly mounting groove 102 can be formed
At the middle part of the 4th tie-beam 115, the open upper end of electronic assembly mounting groove 102 can so be installed in order to electronic assembly 300
Connected in electronic assembly mounting groove 102, and between electronic assembly mounting groove 102 and travelling wheel mounting groove 101, so as to
It is easy to the connection between electronic assembly 300 and travelling wheel 200.Preferably, the shape and electronic assembly of electronic assembly mounting groove 102
The shape of 300 the latter half is engaged.
As shown in Figure 4 and Figure 5, axial limiting part 103 and radial direction locating part can be provided with electronic assembly mounting groove 102
104, electronic assembly 300 is fixedly connected on axial limiting part 103 and radial direction locating part 104.The axial direction of electronic assembly 300 is figure
Left and right directions shown in 1, axial limiting part 103 can limit the axial freedom of electronic assembly 300, and radial direction locating part 104 can
To limit the radial direction free degree of electronic assembly 300.It is understood that when rail vehicle traveling is on track girder 3000, electricity
Dynamic assembly 300 has the trend that relative steering frame body 110 is moved in front-rear direction or in the lateral direction under force,
Axial limiting part 103 and radial direction locating part 104 can preferably ensure that electronic assembly 300 is electronic on bogie frame 100
Installation reliability in assembly mounting groove 102, thereby may be ensured that the structural reliability of bogie assembly 1000.
As shown in Figure 4 and Figure 5, axial limiting part 103 can be platy structure, and axial limiting part 103 is perpendicular to electricity
The axis of dynamic assembly 300, axial limiting part 103 substantially takes the shape of the letter U, and the axial limiting part 103 of U-shaped can be in order to itself and electronic assembly
300 installing plate is corresponding, and multiple mounting holes are distributed with axial limiting part 103 in the direction of extension.Axial limiting part 103
It can be fixedly connected between electronic assembly 300 by fastener, fastener can include screw bolt and nut, bolt can be passed through
Mounting hole on electronic assembly 300 and it is connected after the mounting hole of axial limiting part 103 with nut thread, so that axially
Locating part 103 and electronic assembly 300 are fixed to one another.Due to the axis of axial limiting part 103 vertically with electronic assembly 300, work as electricity
Dynamic assembly 300 has in the trend that left and right directions is moved, and axial limiting part 103 can be prevented in time, thereby may be ensured that electricity
Dynamic installation reliability of the assembly 300 in electronic assembly mounting groove 103.
As shown in Figure 4 and Figure 5, radial direction locating part 104 can be platy structure, and radial direction locating part 104 can be two
Individual, two radial direction locating parts 104 are located at the both sides of electronic assembly 300 respectively, and are set respectively on two radial direction locating parts 104
There is mounting hole.Each radial direction locating part 104 can extend in the vertical direction, and be provided with each radial direction locating part 104
Two groups of mounting holes being spaced apart up and down, every group of mounting hole is two.The radial direction locating part 104 of tabular can in order to electronic assembly
300 are fixedly connected.Preferably, two radial direction locating parts 104 are arranged on the axisymmetrical of electronic assembly 300, can so be carried
Installation reliability of the high electronic assembly 300 in electronic assembly mounting groove 102.
In order to be preferably fixedly connected with electronic assembly 300, radial direction locating part 104 extends above bogie frame
100 upper surface, and in order to ensure reliability of the radial direction locating part 104 beyond the part of the upper surface of bogie frame 100, can
Selection of land, as shown in Figure 4 and Figure 5, the upper surface of bogie frame 100, which is provided with, is connected to radial direction locating part 104 beyond part
Radial direction locating part reinforcement 105.Radial direction locating part reinforcement 105 is configured to tabular, and radial direction locating part reinforcement 105 is vertical
In radial direction locating part 104, so that radial direction locating part reinforcement 105 is preferably supported and fixed radial locating part 104.
The thickness of 4th tie-beam 115 can be more than the thickness of the second mounting rail.Because electronic assembly mounting groove 102 is set
At the 4th tie-beam 115, so electronic assembly 300 is arranged on the 4th tie-beam 115, by rationally increasing the 4th tie-beam
115 thickness, can improve the structural strength of the 4th tie-beam 115, so that the 4th tie-beam 115 is relatively reliable solid
Fixed electronic assembly 300, and then the structural reliability of bogie assembly 1000 can be improved.
Suspension strut seat 120 is two, and two suspension strut seats 120 are connected to the second tie-beam 113 and the 4th company
Connect the lower section of beam 115, the distance between upper surface of the second tie-beam 113 to the upper surface of corresponding suspension strut seat 120 exists
Between 480mm-660mm, the distance between upper surface of the 4th tie-beam 115 to the upper surface of corresponding suspension strut seat 120
Between 620mm-800mm.Preferably, the upper surface of the second tie-beam 113 to corresponding suspension strut seat 120 upper surface it
Between distance be the distance between 623mm, the upper surface of the 4th tie-beam 115 to the upper surface of corresponding suspension strut 120
For 759mm.Thus, it is possible to which so that the floor of car body 2000 is less than the rotation axis of travelling wheel 200, so as to improve track
The riding stability of vehicle.
As shown in Figure 4 and Figure 6, the roof 112a of the first tie-beam 112 and the roof 112a of the 3rd tie-beam 114 can be in
It is connected between the roof 112a of the second tie-beam 113 and the roof 112a of the 4th tie-beam 115 arc.It can so cause
The roof 112a of 4th tie-beam 115 in the case of higher than the roof 112a of the second tie-beam 113 with the second tie-beam 113
Roof 112a connection transition naturally, so that turn to frame body 110 can preferably fix electronic assembly 300, and
Frame body 110 can make it that to turn under equivalent material weight, structure weight capacity is strong, and intensity is high.Preferably, the first tie-beam
112nd, the bottom wall 112b of the second tie-beam 113, the 3rd tie-beam 114 and the 4th tie-beam 115 can be with the same plane.
As is illustrated by figs. 11 and 12, each tie-beam may each comprise：Roof 112a, bottom wall 112b, lateral wall 112c and
Madial wall 112d, lateral wall 112c and madial wall 112d are connected between roof 112a and bottom wall 112b, and lateral wall 112c
It is distributed with being spaced apart on madial wall 112d outside interior direction, is also associated with tie-beam between lateral wall 112c and madial wall 112d and adds
Strengthening tendons 117.Lateral wall 112c and madial wall 112d can ensure the bonding strength between roof 112a and bottom wall 112b, so as to
To improve the structural strength of tie-beam, and tie-beam reinforcement 117 can also further improve the structural strength of tie-beam,
So as to preferably strengthen the structural strength of bogie frame 100, it can cause bogie frame 100 is preferably fixed electronic
Assembly 300.
As shown in figure 12, the roof 112a and the second tie-beam of the roof of the second tie-beam 113 and the first tie-beam 112
113 roof can be split-type structural, and the roof of the 4th tie-beam 115 is divided into positioned at the electronic both sides of assembly mounting groove 102
Two sections, and two sections of roof 112a and the top of the 3rd tie-beam 114 respectively with the first tie-beam 112 of the 4th tie-beam 115
Wall is formed in one structure.The roof 112a of whole bogie frame 100 can be so caused to construct rationally, so as to reduce
The manufacture difficulty of bogie frame 100, can improve the manufacture efficiency of bogie assembly 1000.
As shown in Figure 9 and Figure 10, the bottom wall 112b of electronic assembly mounting groove 102 is at the end away from the electronic direction of assembly 300
Reinforcement structure can be provided with face.Reinforcement structure can effectively strengthen the structural strength of the bottom wall of electronic assembly mounting groove 102,
So that electronic assembly mounting groove 102 preferably fixes electronic assembly 300.
Wherein, as shown in Figure 9 and Figure 10, reinforcement structure can be multiple reinforcements 107, electronic assembly mounting groove 102
Multiple reinforcements 107 can be spaced apart setting.For example, multiple reinforcements 107 of electronic assembly mounting groove 102 can include：Hang down
Straight reinforcement 108 and inclination reinforcement 109, vertical stiffeners 108 vertical with the bottom wall of electronic assembly mounting groove 102 can be set
The bottom wall of electronic assembly mounting groove 102 can be favoured by putting, and tilting reinforcement 109.So vertical stiffeners 108 can be
Preferably strengthen the structural strength of the bottom wall of electronic assembly mounting groove 102 on above-below direction, tilting reinforcement 109 can be above and below
Preferably strengthen the structural strength of the bottom wall of electronic assembly mounting groove 102 on direction and fore-and-aft direction, it is electronic so as to improve
Assembly 300 is arranged on the reliability in electronic assembly mounting groove 102.
Specifically, as shown in figure 9, vertical stiffeners 108 and inclination reinforcement 109 can be respectively two, two vertical
Reinforcement 108 is arranged between two inclination reinforcements 109, and two tilt reinforcements 109 close to electronic assembly mounting groove 102
Bottom wall edge is set.
As shown in Figure 10, horizontal wheels mounting seat can be provided with bogie frame 100, horizontal wheels mounting seat can be used for
Horizontal wheels are installed, wherein horizontal wheels, which can include directive wheel 500 and steady wheel 600, accordingly, horizontal wheels mounting seat, to wrap
Include and correspondence horizontal wheels mounting seat is additionally provided with directive wheel mounting seat 130 and steady wheel mounting seat 140, bogie frame 100
Horizontal wheels mounting seat reinforcement 118, horizontal wheels mounting seat reinforcement 118 can include directive wheel mounting seat reinforcement and steady wheel
Mounting seat reinforcement.As shown in Figure 10, two directive wheel mounting seat reinforcements, steady wheel are provided with directive wheel mounting seat 130
Two steady wheel mounting seat reinforcements are provided with mounting seat 140.
As shown in figure 4, horizontal backstop mounting seat 111 can be provided with frame body 110 by turning to, installed in suspension strut seat
Suspension 400 on 120 is suitable to be provided with suspension stop part 411, suspension stop part 411 and the horizontal phase of backstop mounting seat 111
Correspondence.Horizontal backstop mounting seat 111 and suspension stop part 411 be oppositely arranged, so when suspension 400 towards turn to frame body
During 110 skew, suspension stop part 411 is only against in horizontal backstop mounting seat 111, so as to avoid suspension 400 and turn
Collision between frame body 110, and the Rapid reset of suspension 400 can be caused, the inclination of rail vehicle can be eliminated
Trend, and then the structural reliability of bogie assembly 1000 can be improved, and the use of bogie assembly 1000 can be extended
Life-span.
As shown in figure 4, suspension strut seat 120 can substantially be horizontal, frame body 110 and suspension strut seat are turned to
Rounding off is used between 120.Rounding off can cause turn to frame body 110 and suspension strut seat 120 between transition naturally,
And connection is reliable, so as to improve the structural reliability of bogie frame 100, the wherein bottom of suspension strut seat 120 also
The reinforcing plate for being connected to and turning to the bottom of frame body 110 can be provided with.And can so cause suspension 400 and track girder
Enough clearance for insulations are left between 3000, so as to for the insulation between track girder 3000 and conductor rail, so as to
Improve the structural reliability of bogie assembly 1000.
As shown in Figure 10, each suspension strut seat 120 and turn to the lower surface of coupling part between frame body 110 can be with
It is provided with multiple connection strengthening ribs 121 spaced apart.Each connection strengthening rib 121 is along turning to frame body 110 and suspension strut seat
Closure extension between 120, connection strengthening rib 121 can improve steering frame body 110 and suspension at least to some extent
Bonding strength between support base 120, so as to improve the structural reliability of bogie frame 100.
Suspension 400 is described in detail below.
As shown in Figure 3 and Figure 6, suspension 400 can include：Car body connecting seat 410, elastic component 420, transverse damper
430th, vertical damper 440 and elastic component limiting bracket 450, car body connecting seat 410 are located at the top of suspension strut seat 120, and
And car body connecting seat 410 can be used for being fixedly connected with car body 2000, connect between car body connecting seat 410 and suspension strut seat 120
Elastic component 420 is connected to, in other words, the upper end of elastic component 420 is connected on car body connecting seat 410, the lower end connection of elastic component 420
On suspension strut seat 120.Transverse damper 430 is hinged between car body connecting seat 410 and steering frame body 110, vertical to subtract
Shake device 440 it is vertically extending, and vertical damper 440 be hinged on car body connecting seat 410 and suspension strut seat 120 it
Between.Elastic component limiting bracket 450 is connected between car body connecting seat 410 and suspension strut seat 120.So elastic component 420, laterally
Damper 430 and vertical damper 440 can with the above-below direction of common guarantee rail vehicle in the process of moving, left and right directions and
The stationarity of fore-and-aft direction, and suspension 400 can play damping, buffering effect, be expert at so as to reduce rail vehicle
Vibrations or sense of jolting during sailing, and the traveling noise of rail vehicle can be reduced.
Wherein, transverse damper 430 and the articulated manner, transverse damper 430 and the car body that turn between frame body 110 connect
Articulated manner between articulated manner, vertical damper 440 and car body connecting seat 410 and vertical damping between joint chair 410
Articulated manner between device 440 and suspension strut seat 120 is ball pivot, can so improve the damping effect of suspension 400,
And stress concentration phenomenon is also prevented from, so as to improve the reliability of suspension 400.
Alternatively, two suspension 400 being centrosymmetrically arranged on bogie frame 100.I.e. in horizontal plane
Interior, a suspension 400 rotates 180 ° and may be constructed another suspension 400, so as to prevent car body 2000 in water
Reversed in plane, and then the stationarity of rail vehicle in the process of moving can be improved.
Built rationally in order that obtaining suspension 400, and in order that obtain transverse damper 430 and vertical damper 440
Preferably work, transverse damper 430 and vertical damper 440 can be located at the both sides of elastic component 420 respectively.
Alternatively, as shown in fig. 6, the escape groove for avoiding transverse damper 430 can be provided with by turning on frame body 110.
Thus, it is possible to which so that the connection and reasonable arrangement of transverse damper 430, can cause transverse damper 430 to be securely attached at car body connection
Between seat 410 and steering frame body 110.
Wherein, elastic component limiting bracket 450 is articulated and connected with car body connecting seat 410, and elastic component limiting bracket 450 with
Suspension strut seat 120 is fastenedly connected by fastener.By by the upper end of elastic component limiting bracket 450 and car body connecting seat 410
Between be articulated and connected, stress concentration phenomenon can be avoided, so as to avoid the stiffness cracks of elastic component limiting bracket 450, and
The structural reliability of suspension 400 can be ensured.Elastic component limiting bracket 450 can effectively protect elastic component 420, so as to
To prevent elastic component 420 from deforming excessive, and then the service life of elastic component 420 can be extended.Alternatively, elastic component 420 can be with
For air spring or hourglass spring.
As shown in Figure 7 and Figure 8, car body connecting seat 410 can include upper plate 412, lower plate 413 and web, and upper plate 412 is suitable to
It is connected with car body 2000, upper plate 412 is towards being provided with cushion pad 414 on the surface of car body 2000.Cushion pad 414 can be in car body
Damping, buffering effect is played between 2000 and suspension 400, so as to reduce the vibrations of rail vehicle in the process of moving,
And the noise of rail vehicle in the process of moving can be reduced.Cushion pad 414 can be rubber blanket.
As shown in figure 8, the shape of cushion pad 414 is identical with the shape of upper plate 412.So on the one hand it can cause cushion pad
414 buffer reliably between car body 2000 and upper plate 412, on the other hand can cause fixed between cushion pad 414 and upper plate 412
Mode is simple and fixed reliable.
Web can be used for connecting the miscellaneous part in suspension 400, wherein, web can be multiple and multiple
Web be arranged in parallel.On the one hand so multiple webs can improve the bonding strength between upper plate 412 and lower plate 413, the opposing party
Face can be in order to being fixedly connected with miscellaneous part in suspension 400.Specifically, as shown in figure 8, web can be two
It is individual, and two webs are respectively the different long webs 415 and stenogastry plate 416 of length, and the development length of long web 415 is more than short
The development length of web 416, one end and the transverse damper 430 of long web 415 are hinged, the other end and stenogastry of long web 415
One end of plate 416 is hinged with vertical damper 440 jointly.Can so ensure transverse damper 430 and vertical damper 440 with
Connection reliability between car body connecting seat 410.
Moreover, as shown in figure 8, being provided with suspension stop part on the surface in the long direction of web 415 on stenogastry plate 416
411, in car body double swerve, suspension stop part 411 is mutually only supported with horizontal backstop mounting seat 111, so as to stablize car
Body.Suspension stop part 411 can include rubber blanket.Rubber blanket can slow down suspension stop part 411 and horizontal backstop mounting seat 111
Between collision, the structural reliability of bogie assembly 1000 can be improved.
As shown in figure 8, long web 415 on the surface in the direction of stenogastry plate 416 can be provided with the spacing branch of elastic component
Frame installing plate, elastic component limiting bracket 450 is hinged on elastic component limiting bracket installing plate.
Alternatively, upper plate 412, web and lower plate 413 can be connected with welding.The structure of so car body connecting seat 410 is overall
Property preferably, and the mounting means of car body connecting seat 410 is simple and installation effectiveness is high.
As shown in figure 15, beam 451 can be provided with the lower end of elastic component limiting bracket 450, beam 451 is with hanging
Support base 120 is hung to fix.Specifically, fastener can pass through the beam 451 of elastic component limiting bracket 450 afterwards with hanging branch
Support seat 120 is fixed, by the beam 451 for setting elastic component limiting bracket 450, it is possible to reduce suspension strut seat 120 and elasticity
Rigid collision and impact between part limiting bracket 450, and suspension strut seat 120 and elastic component limiting bracket can be reduced
Noise between 450, so as to improve the structural reliability of bogie assembly 1000.Wherein, elastic component limiting bracket 450
Beam 451 can be rubber blanket.
As shown in figure 15, the part protrusion of the beam 451 of elastic component limiting bracket 450 hangs branch to constitute projection
The groove for coordinating projection is formed with support seat 120.Projection can coordinate in groove, on the one hand can so be limited in order to elastic component
Assembling between the beam 451 and suspension strut seat 120 of position support 450, on the other hand can lift elastic component limiting bracket
The damping effect of 450 beam 451, so as to preferably reduce the noise at bogie assembly 1000.
Elastic component limiting bracket 450 can be with generally triangular, and the summit of elastic component limiting bracket 450 is hinged on car body company
On joint chair 410, the mounting hole that multiple confession fasteners are passed through is provided with the base of elastic component limiting bracket 450.Such elastic component
Contact area between the base of limiting bracket 450 and suspension strut seat 120 is larger, so that uniform force everywhere,
The connection reliability between elastic component limiting bracket 450 and suspension strut seat 120 can be improved, and can also be so easy to many
The mounting hole that arrangement is passed through for fastener, so as to preferably improve elastic component limiting bracket 450 and suspension strut seat 120 it
Between installation reliability, and then the structural reliability of bogie assembly 1000 can be improved.
Elastic component limiting bracket 450 can be structured as platy structure, and elastic component limiting bracket 450 can be provided with tightly
Firmware avoids hole.Can so be stretched into order to fastener in corresponding mounting hole, and fastener avoid hole can also at least one
Determine to reduce the weight of elastic component limiting bracket 450 in degree, so that rail vehicle meets lightweight requirements.
Specifically, as shown in figure 15, elastic component limiting bracket 450 can include：Locating part main body 452 and locating part bottom plate
453, the upper end of locating part main body 452 is hinged on car body connecting seat 410, locating part bottom plate 453 and the phase of locating part main body 452
Even, and it is provided with mounting hole on locating part bottom plate 453.Locating part bottom plate 453 is corresponding with beam 451, so that beam
451 can play damping effect between locating part bottom plate 453 and suspension strut seat 120.
Preferably, as shown in figure 15, it is connected with support column between locating part main body 452 and locating part bottom plate 453.Support column
The structural strength of elastic component limiting bracket 450 can be improved at least to some extent, can extend elastic component limiting bracket 450
Service life.
Wherein, elastic component limiting bracket 450 may be located remotely from steering frame body 110 and set.Thus, elastic component limiting bracket
Rationally, the overall structure that can cause suspension 400 preferably, can improve bogie assembly 1000 to 450 location arrangements
Structural stability.
Horizontal wheels are explained in detail below, horizontal wheels include directive wheel 500 and steady wheel 600.
Horizontal wheels mounting seat is provided with bogie frame 100, horizontal wheels mounting seat can include directive wheel mounting seat 130
With steady wheel mounting seat 140, directive wheel mounting seat 130 is corresponding with directive wheel 500, steady wheel mounting seat 140 and steady wheel 600
It is corresponding, wherein, directive wheel mounting seat 130 can be arranged on steering frame body 110, for example, directive wheel mounting seat 130 can be with
It is arranged on the first tie-beam 112 and the 3rd tie-beam 114, two can be provided with the first tie-beam 112 and spaced apart is led
To wheel mounting seat 130, two directive wheel mounting seats 130 spaced apart can be provided with the 3rd tie-beam 114.Steady wheel is installed
Seat 140 can be arranged on the bottom of suspension strut seat 120, each one steady wheel mounting seat 140 of correspondence of suspension strut seat 120.
Horizontal wheels are removably mounted in horizontal wheels mounting seat, for example, horizontal wheels can be fixedly connected by fastener
In corresponding horizontal wheels mounting seat, wherein, fastener can be multiple, can so ensure horizontal wheels and horizontal wheels mounting seat
Between fixation reliability.
As shown in figure 3, bogie assembly 1000 can also include：Adjust pad, adjust pad is plugged on horizontal wheels and water
Between flat wheel mounting seat.Adjust pad can be divided into directive wheel adjust pad 510 and steady wheel adjust pad, directive wheel adjusting pad
Piece 510 is plugged between directive wheel 500 and directive wheel mounting seat 130, and steady wheel adjust pad can be arranged on the He of steady wheel 600
Between steady wheel mounting seat 140.It is understood that with the operation of rail vehicle, steady wheel 600 and directive wheel 500 it is outer
Footpath is only against on track girder 3000 always, and such steady wheel 600 and directive wheel 500 are constantly in state of wear, until steady wheel
600 and directive wheel 500 respectively between track girder 3000 have gap, now steady wheel 600 and directive wheel 500 effect drop
It is low, or even gradually fail, so needing regulation steady wheel 600 and directive wheel 500 to arrive the distance between track girder 3000 to eliminate
Gap, can so remove corresponding adjust pad, so that the center and the center of directive wheel 500 of steady wheel 600
Distance to track girder 3000 reduces, and then steady wheel 600 and directive wheel 500 can be caused to keep contacting shape with track girder 3000
State, can keep the effect of steady wheel 600 and directive wheel 500.Preferably, adjust pad can be multiple, so regulation every time
When can remove an adjust pad so that steady wheel 600 and directive wheel 500 keep the contact condition with track,
And directive wheel 500 and steady wheel 600 need not be changed.
Axletree is provided with horizontal wheels, axletree is fixed in horizontal wheels mounting seat by fastener, and fastener is passed through
Adjust pad.Can be provided with directive wheel 500 on directive wheel axletree 520, steady wheel 600 can be provided with steady wheel axletree
610, as shown in figure 13, fastener sequentially passes through directive wheel axletree 520, directive wheel adjust pad 510 and directive wheel mounting seat 130
So that three to be fixed together, it is fixed on so as to be directed to wheel 500 on steering frame body 110.Fastener is sequentially passed through surely
Fixed wheel axletree 610, steady wheel adjust pad and steady wheel mounting seat 140 are so that three to be fixed together, so as to stablize
Wheel 600 is fixed on the bottom of suspension strut seat 120.
As shown in figure 14, it can be provided with the first pre-determined bit part 521, horizontal wheels mounting seat that to be provided with second pre- on axletree
Keeper 131, the first pre-determined bit part 521 coordinates with the second pre-determined bit part 131.In the installation process of directive wheel 500, first is pre-
Keeper 521 can first coordinate on the second pre-determined bit part 131, between such directive wheel axletree 520 and directive wheel mounting seat 130
It can realize that pre-determined bit is installed, fastener is directed to wheel axletree 520 and directive wheel mounting seat 130 is fixed so as to be easy to, and enters
And the installation effectiveness of directive wheel 500 can be improved.
In the installation process of steady wheel 600, the first pre-determined bit part 521 can first coordinate on the second pre-determined bit part 131,
It can so realize that pre-determined bit is installed between steady wheel axletree 610 and steady wheel mounting seat 140, so as to be easy to fastener will
Steady wheel axletree 610 and steady wheel mounting seat 140 are fixed, and then can improve the installation effectiveness of steady wheel 600.
Wherein, one in the first pre-determined bit part 521 and the second pre-determined bit part 131 is projection and another is groove, convex
Block coordinates with groove.As shown in figure 14, the first pre-determined bit part 521 can be projection, and the second pre-determined bit part 131 can be groove,
Projection can be stretched into first in groove, and pre-determined bit, Jin Erke are realized to axletree so as to horizontal wheels mounting seat in the vertical direction
In order to fastener dead axle and corresponding horizontal wheels mounting seat.
The escape groove for avoiding fastener, the open at one end of escape groove are formed with adjust pad.It is understood that tearing open
During adjust pad, fastener without all exit axletree and horizontal wheels mounting seat, fastener can unscrew axletree and
Horizontal wheels mounting seat, can so cause adjust pad to have free gap, and staff can use instrument by multiple adjustment
A dismounting in pad, then fastener carries out tightening operation again.Thus, can by setting the escape groove in adjust pad
To cause adjust pad to remove simply and conveniently, so as to preferably improve the reliability of directive wheel 500 and steady wheel 600.
Preferably, fastener can be provided with above and below the first pre-determined bit part 521, positioned at the first pre-determined bit part
The quantity of adjust pad above and below in the of 521 is identical.
Steady wheel 600 is located between two directive wheels 500.Every side of track girder 3000 can be provided with a steady wheel
600 and two directive wheels 500, two directive wheels 500 are separately positioned on the first tie-beam 112 and the 3rd tie-beam 114, stable
Wheel 600 is located on the suspension strut seat 120 of the second tie-beam 113 or the lower section of the 4th tie-beam 115, so in fore-and-aft direction
On, steady wheel 600 is located between two directive wheels 500, and in the vertical direction, less than two directive wheels of steady wheel 600
500.By reasonable Arrangement directive wheel 500 and steady wheel 600, it can make it that the riding stability of rail vehicle is more preferable.
The diameter of steady wheel 600 can be more than the diameter of directive wheel 500, so by the way that the diameter of steady wheel 600 is more than
Directive wheel 500 can increase vehicle traveling, it is excessively curved during vehicle body stability.The central axis of steady wheel 600, which is located at, leads
To the outside of the central axis of wheel 500.Distance setting of the outer internal reference apart from track girder 3000.Thus, steady wheel 600 and guiding
Wheel 500 can be fitted snugly on track girder 3000, and steady wheel 600 and directive wheel 500 are it is also possible that bogie frame
Enough insulating spaces are left between 100 and track girder 3000, so that insulating space can ensure track girder 3000 and conductor rail
Between insulation, and the insulation between conductor rail and bogie frame 100 can be ensured, and then rail vehicle can be improved
Driving safety.
As shown in Fig. 2 directive wheel 500 can be with four, steady wheel 600 can be two.Four directive wheels 500 can be located at
Sustained height, two steady wheels 600 are located at sustained height and are arranged symmetrically on track girder 3000.Thus, it is possible to improve track
The structural reliability of vehicle, and four directive wheels 500 and two steady wheels 600 can ensure the driving safety of rail vehicle
Property.
Rail vehicle according to embodiments of the present invention, includes the bogie assembly 1000 of above-described embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (11)
1. a kind of bogie assembly, it is characterised in that including：
Electronic assembly；
It is provided with electronic assembly mounting groove, the electronic assembly mounting groove and sets on bogie frame, the bogie frame
There are axial limiting part and radial direction locating part, the electronic assembly is fixedly connected on the axial limiting part and the radial direction locating part
On.
2. bogie assembly according to claim 1, it is characterised in that the axial limiting part is platy structure and vertical
In the axis of the electronic assembly, the axial limiting part substantially takes the shape of the letter U and is distributed with multiple mounting holes in the direction of extension.
3. bogie assembly according to claim 1, it is characterised in that the radial direction locating part is platy structure and difference
Positioned at the both sides of the electronic assembly and it is respectively arranged with mounting hole.
4. bogie assembly according to claim 3, it is characterised in that the radial direction locating part is for two and on described
The axisymmetrical arrangement of electronic assembly.
5. bogie assembly according to claim 1, it is characterised in that the radial direction locating part extends above described
The upper surface of bogie frame, the upper surface of the bogie frame, which is provided with, is connected to the radial direction locating part beyond part
Radial direction locating part reinforcement.
6. bogie assembly according to claim 1, it is characterised in that the bogie frame includes：Turn to frame body
With suspension strut seat, be provided with the electronic assembly mounting groove on the steering frame body, the suspension strut seat for two and
It is connected to the opposite sides of the steering frame body and limits errant recess jointly with the steering frame body.
7. bogie assembly according to claim 6, it is characterised in that the suspension strut seat is substantially horizontal,
Rounding off is used between the steering frame body and suspension strut seat.
8. bogie assembly according to claim 6, it is characterised in that be provided with horizontal backstop on the steering frame body
Mounting seat, the suspension on suspension strut seat is suitable to be provided with suspension stop part, the suspension stop part with
The horizontal backstop mounting seat is corresponding.
9. bogie assembly according to claim 6, it is characterised in that the steering frame body is generally rectangular and wraps
Include：The first tie-beam to the 4th tie-beam for being sequentially connected of head and the tail, first tie-beam and the 3rd tie-beam it is relative and
Second tie-beam and the 4th tie-beam are relative, and the electronic assembly mounting groove is formed on the 4th tie-beam,
The thickness of 4th tie-beam is more than the thickness of second tie-beam.
10. bogie assembly according to claim 9, it is characterised in that two suspension strut seats are connected to
On second tie-beam and the 4th tie-beam, the upper surface of second tie-beam to the corresponding suspension strut seat
The distance between upper surface between 480mm-660mm, the upper surface of the 4th tie-beam to the corresponding suspension branch
The distance between upper surface of seat is supportted between 620mm-800mm.
11. a kind of rail vehicle, it is characterised in that including：
Car body；
Bogie assembly according to any one of claim 1-10, the car body is arranged on the bogie assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070259.4U CN206520610U (en) | 2016-09-21 | 2016-09-21 | Bogie assembly and rail vehicle |
| PCT/CN2017/075228 WO2018054020A1 (en) | 2016-09-21 | 2017-02-28 | Bogie assembly and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070259.4U CN206520610U (en) | 2016-09-21 | 2016-09-21 | Bogie assembly and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206520610U true CN206520610U (en) | 2017-09-26 |
Family
ID=59887642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621070259.4U Active CN206520610U (en) | 2016-09-21 | 2016-09-21 | Bogie assembly and rail vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206520610U (en) |
| WO (1) | WO2018054020A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884518A (en) * | 2019-12-17 | 2020-03-17 | 株洲中车特种装备科技有限公司 | Single-shaft suspension type single-rail tourist coach bogie |
| CN113844486A (en) * | 2020-06-28 | 2021-12-28 | 比亚迪股份有限公司 | Bogie and railway vehicle with same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735365A (en) * | 2019-11-26 | 2020-01-31 | 中铁二院工程集团有限责任公司 | straddle type track beam |
| CN114111504B (en) * | 2021-11-04 | 2024-05-28 | 中车南京浦镇车辆有限公司 | Integrated installation and detection device and installation and detection method for end beam motor hanging seat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7878123B2 (en) * | 2007-04-13 | 2011-02-01 | Jason Jackson | Single rail film dolly and slider |
| US7963229B2 (en) * | 2008-05-29 | 2011-06-21 | Bombardier Transportation Gmbh | Monorail bogie assembly comprising a linking member |
| CN204915705U (en) * | 2015-07-16 | 2015-12-30 | 南车青岛四方机车车辆股份有限公司 | Single track train of a formula of striding and bogie thereof |
| CN206202293U (en) * | 2016-09-21 | 2017-05-31 | 比亚迪股份有限公司 | Bogie assembly and rail vehicle |
| CN206202315U (en) * | 2016-09-21 | 2017-05-31 | 比亚迪股份有限公司 | Suspension and bogie assembly and rail vehicle with it |
-
2016
- 2016-09-21 CN CN201621070259.4U patent/CN206520610U/en active Active
-
2017
- 2017-02-28 WO PCT/CN2017/075228 patent/WO2018054020A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884518A (en) * | 2019-12-17 | 2020-03-17 | 株洲中车特种装备科技有限公司 | Single-shaft suspension type single-rail tourist coach bogie |
| CN113844486A (en) * | 2020-06-28 | 2021-12-28 | 比亚迪股份有限公司 | Bogie and railway vehicle with same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018054020A1 (en) | 2018-03-29 |
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