CN207241715U - Rail vehicle, hub unit and bogie for rail vehicle - Google Patents
Rail vehicle, hub unit and bogie for rail vehicle Download PDFInfo
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- CN207241715U CN207241715U CN201720795157.7U CN201720795157U CN207241715U CN 207241715 U CN207241715 U CN 207241715U CN 201720795157 U CN201720795157 U CN 201720795157U CN 207241715 U CN207241715 U CN 207241715U
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- speed
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Abstract
Hub unit and bogie the utility model discloses a kind of rail vehicle and for rail vehicle, hub unit include：Suitable for being threaded through the hub spindle on the mounting rail of bogie frame；For installing the first wheel assembly with the wheel body of rail contact, first wheel assembly is located at the outer end of hub spindle；Second hub assembly, the second hub assembly are located at the inner of hub spindle；Test the speed magnetic conductive part, and the magnetic conductive part that tests the speed is located on the second hub assembly to be rotated synchronously with the second hub assembly, has the recess along its circumferential alternate arrangement and convex portion on the outer circumferential surface for the magnetic conductive part that tests the speed；Tachogenerator, tachogenerator is neighbouring test the speed magnetic conductive part and coordinate with magnetic conductive part sensing of testing the speed with realize first wheel assembly rotating speed detection.The accurate measurement of speed can be realized according to the hub unit of the utility model embodiment, while the line arrangement of tachogenerator is easier, it is easy to disassemble.
Description
Technical field
Technical field of transportation is the utility model is related to, more particularly, to a kind of hub unit, tool for rail vehicle
There are the bogie of the hub unit and the rail vehicle with the bogie.
Background technology
In the related art, the tachogenerator of rail vehicle is typically located at hub for vehicle wheel one end, and this structure can be right
The arrangement space of vehicle has certain requirement, meanwhile, it is also contemplated that the arrangement and trend of tachogenerator circuit.Also having to test the speed
Sensor is installed on motor output end, by gathering the output speed of motor, the operation speed for the wheel that then converted according to speed reducing ratio
Degree, to achieve the purpose that to monitor the wheel speed of service.Since the rotating speed of the output shaft of motor is higher, it is unfavorable for measuring so that survey
Accuracy of measurement is lower, and space is smaller residing for motor output end, makes tachogenerator arrangement more difficult.
Utility model content
The utility model is intended at least solve one of technical problem existing in the prior art.For this reason, the utility model carries
Go out a kind of hub unit for rail vehicle, the hub unit can realize relatively accurately measuring and being beneficial to wiring for speed.
The utility model also proposed a kind of bogie with above-mentioned hub unit.
The utility model also proposed a kind of rail vehicle with above-mentioned bogie.
According to the hub unit for rail vehicle of the utility model embodiment, including：Suitable for being threaded through steering structure
Hub spindle on the mounting rail of frame；For installing the first wheel assembly with the wheel body of rail contact, the first wheel assembly
It is located at the outer end of the hub spindle；Second hub assembly, second hub assembly are located at the inner of the hub spindle；Test the speed and lead
Magnetic part, the magnetic conductive part that tests the speed are located on second hub assembly to be rotated synchronously with second hub assembly, the survey
There is the recess along its circumferential alternate arrangement and convex portion on the outer circumferential surface of fast magnetic conductive part；Tachogenerator, the tachogenerator
It is neighbouring described test the speed magnetic conductive part and coordinate with the magnetic conductive part sensing of testing the speed with realize the first wheel assembly rotating speed inspection
Survey.
It can realize that the accurate of speed measures according to the hub unit of the utility model embodiment, while tachogenerator
Line arrangement is easier, easy to disassemble.
In addition, can also be had according to the hub unit for rail vehicle of the utility model above-described embodiment following attached
The technical characteristic added：
In some embodiments of the utility model, the magnetic conductive part that tests the speed is the magnetic conduction gear that tests the speed, and the convex portion is tooth
Tooth, the recess are teeth groove.
Alternatively, the magnetic conductive part that tests the speed is located at one end towards first wheel assembly of second hub assembly.
Some embodiments according to the present utility model, the magnetic conductive part that tests the speed are fixed on described second by threaded fastener
On hub assembly.
In some embodiments of the utility model, the outer circumferential surface of second hub assembly is equipped with mounting flange, institute
The magnetic conductive part that tests the speed is stated to be set on second hub assembly and be only against on the mounting flange.
Alternatively, the tachogenerator is suitable for being located on the bogie frame.
Further, further included according to the hub unit for rail vehicle of the utility model embodiment：Installed part, institute
State installed part with the mounting rail to be connected, the tachogenerator is located on the installed part.
Further, the installed part is connected with the mounting rail by threaded fastener.
Specifically, the installed part is formed as mounting box, and the mounting box has opening towards the first wheel assembly
The box chamber of side, the wall surface of the box chamber, which is equipped with, to be used to make the mounting hole that second hub assembly is worn, and is installed
Box cover is located at described test the speed on magnetic conductive part and the tachogenerator is located at the box intracavitary.
More specifically, the mounting box includes：The main cartridge being connected with the mounting rail, sets on the side wall of the main cartridge
There is construction opening, the magnetic conductive part that tests the speed is located in the main cartridge；Sensor mounting box, the sensor mounting box are located at
On the construction opening, the tachogenerator is located in the sensor mounting box.
Alternatively, the installation suitable for being connected with the mounting rail is respectively equipped with opposite two edge of the main cartridge
Flange.
Some embodiments according to the present utility model, the outside diameter of the magnetic conductive part that tests the speed are more than second hub assembly
Maximum radial dimension.
According to the bogie for rail vehicle of the utility model embodiment, including：Bogie frame, the bogie
Framework has the mounting rail；According to the hub unit for rail vehicle of the utility model embodiment, the hub unit
It is connected with the mounting rail.
According to the rail vehicle of the utility model embodiment, including：Car body；According to the steering of the utility model embodiment
Frame, the bogie are installed on the bottom of the car body.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structure diagram according to the hub unit for rail vehicle of the utility model embodiment；
Fig. 2 is the mounting structure schematic diagram according to the hub unit for rail vehicle of the utility model embodiment；
Fig. 3 is the mounting structure according to another angle of the hub unit for rail vehicle of the utility model embodiment
Schematic diagram；
Fig. 4 is the top view of structure shown in Fig. 2；
Fig. 5 is the sectional view along Fig. 4 center line A-A directions；
Fig. 6 is tachogenerator and the survey of the hub unit for rail vehicle according to the utility model one embodiment
The cooperation schematic diagram of fast magnetic conductive part；
Fig. 7 be according to the tachogenerator of the hub unit for rail vehicle of the utility model another embodiment with
Test the speed the cooperation schematic diagram of magnetic conductive part.
Reference numeral：
Hub unit 100；Bogie frame 200；Mounting rail 210；
First wheel assembly 10；
Second hub assembly 20；Mounting flange 21；
Hub spindle 30；Sleeve 31；
Test the speed magnetic conductive part 40；Convex portion 41；Recess 42；
Tachogenerator 50；
Installed part 60；Box chamber 601；Mounting hole 602；Construction opening 603；
Main cartridge 61；Flange 611 is installed；Sensor mounting box 62；
Threaded fastener 110.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type, those of ordinary skill in the art can be to these in the case where not departing from the principle and objective of the utility model
Embodiment carries out a variety of change, modification, replacement and modification, and the scope of the utility model is limited by claim and its equivalent.
In the description of the utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in attached drawing
Orientation or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The limitation of type.
Below with reference to the accompanying drawings the hub unit 100 for rail vehicle according to the utility model embodiment is described.
Referring to figs. 1 to shown in Fig. 7, according to the hub unit 100 for rail vehicle of the utility model one embodiment
It may include：First wheel assembly 10, the second hub assembly 20, hub spindle 30, test the speed magnetic conductive part 40 and tachogenerator 50.
Specifically, hub spindle 30 can be threaded through on the mounting rail 210 of bogie frame 200, and hub spindle 30 is located at
One end in bogie frame 200 is inner (for example, right end as shown in Figure 3), and hub spindle 30 is outwardly away from bogie
One end of framework 200 is outer end (for example, left end as shown in Figure 3), and first wheel assembly 10 is located at the outer end of hub spindle 30,
Second hub assembly 20 is located at the inner of hub spindle 30, so that first wheel assembly 10, the second hub assembly 20 and hub spindle 30
Can be with common rotation.The components such as wheel body can be installed to form wheel on first wheel assembly 10, wheel body can with rail contact,
First wheel assembly 10 can drive wheeling thereof, realize rail vehicle movement in orbit.
As shown in Figures 1 to 5, the magnetic conductive part 40 that tests the speed is arranged on the second hub assembly 20, with the second hub assembly 20
Rotate synchronously.The outer circumferential surface of magnetic conductive part 40 of testing the speed is formed as rough structure, specifically, the outer circumferential surface for the magnetic conductive part 40 that tests the speed
It is upper to have along the convex portion 41 of its circumferential alternate arrangement and recess 42, that is to say, that to have on the outer circumferential surface of magnetic conductive part 40 that tests the speed more
A recess 42 and multiple convex portions 41, multiple recesses 42 and multiple convex portions 41 are along the circumferentially distributed of magnetic conductive part 40 that test the speed, and adjacent two
A convex portion 41 is provided between a recess 42, a recess 42 is provided between adjacent two convex portions 41.
Tachogenerator 50 is neighbouring to test the speed and magnetic conductive part 40 and coordinates with the sensing of magnetic conductive part 40 of testing the speed, to realize that first wheel is total
Into the detection of 10 rotating speed.Specifically, test the speed 42 He of recess that the inductive head of magnetic conductive part 40 neighbouring can test the speed on magnetic conductive part 40
Convex portion 41, during the magnetic conductive part 40 that tests the speed is rotated with the second hub assembly 20, according to electromagnetic induction principle, inductive head often passes through
A recess 42 or convex portion 41 are crossed, a voltage pulse signal can be produced in tachogenerator 50, the magnetic conductive part 40 that tests the speed often rotates
One encloses, and N number of voltage pulse signal will be formed in tachogenerator 50, and N is the quantity of recess 42 or convex portion 41.According to the voltage
Pulse signal can converse the rotating speed for the magnetic conductive part 40 that tests the speed.
Here, test the speed rotating speed, the first wheel of the rotating speed of magnetic conductive part 40, the rotating speed of the second hub assembly 20, hub spindle 30
The rotating speed of the rotating speed of assembly 10 and the wheel body being arranged on first wheel assembly 10 is identical.Tachogenerator 50 can be with
The recess 42 of magnetic conductive part 40 or the quantity information of convex portion 41 are tested the speed so that speed signal is converted into, to realize wheel speed by collection
The measurement of degree, measurement accuracy are higher.Also, tachogenerator 50 can be disposed generally at the inner position of hub spindle 30,
It is more convenient for being connected up.
According to the hub unit 100 of the utility model embodiment, by the second inner wheel hub positioned at hub spindle 30
On assembly 20 set test the speed magnetic conductive part 40 and using tachogenerator 50 it is matched, it is possible to achieve the measurement of speed, Neng Goutong
To cross guarantee and test the speed the recess 42 of magnetic conductive part 40 and the quantity of convex portion 41 to ensure the precision to test the speed, measurement accuracy is higher, meanwhile, survey
The line arrangement of fast sensor 50 is easier, easy to disassemble.
Further to lift the accuracy to test the speed, alternatively, the outside diameter for the magnetic conductive part 40 that tests the speed can be total more than the second wheel hub
Into 20 maximum radial dimension, for example, as shown in Figure 5.Thus, test the speed the size bigger of magnetic conductive part 40, is more convenient for setting convex portion
41 and recess 42, beneficial to testing the speed for tachogenerator 50.
Some embodiments according to the present utility model, the magnetic conductive part 40 that tests the speed can be the magnetic conduction gear that tests the speed, such as Fig. 1 and Fig. 2
Shown, the outer circumferential surface for the magnetic conduction gear that tests the speed is equipped with alternatively distributed teeth and teeth groove, and convex portion 41 is teeth, and recess 42 is
Teeth groove.The inductive head of tachogenerator 50 can to tooth (for example, as shown in fig. 6, inductive head sensitive line be aligned teeth) or
Groove (for example, as shown in fig. 7, the sensitive line of inductive head is directed at teeth groove) is set, the magnetic teeth wheel that can be tested the speed by collection rotates
When the number of teeth or slot number carry out the real-time speed of transfer trajectory vehicle, measurement effect is good and accuracy is high, and test the speed 40 convenience of magnetic conductive part
Manufacture and installation.
Further, the magnetic conductive part 40 that tests the speed can be located at the second hub assembly 20 towards the one of first wheel assembly 10
End, referring to figs. 1 to shown in Fig. 5.That is, the magnetic conductive part 40 that tests the speed can be arranged on the outer end of first wheel assembly 10.Thus,
It is more convenient for the arrangement of global facility, structure setting is more reasonable.
Alternatively, as shown in Figures 1 to 5, the magnetic conductive part 40 that tests the speed can be fixed on the second wheel hub by threaded fastener 110
On assembly 20, convenient for disassembly and assembly and fixation, effectively prevent from testing the speed magnetic conductive part 40 in rotation process with the second hub assembly 20
It is separated or shakes, security and measurement accuracy can be improved.Threaded fastener 110 can be screw, bolt or screw
Deng can flexibly be selected different types of threaded fastener 110 to use according to actual conditions.
As shown in Figure 1, Figure 4 and Figure 5, mounting flange 21 can be equipped with the outer circumferential surface of the second hub assembly 20, tests the speed and leads
Magnetic part 40 can be set on the second hub assembly 20, and the magnetic conductive part 40 that tests the speed can be only against on mounting flange 21.Thus,
The magnetic conductive part 40 that tests the speed is installed more accurately and securely, can further lift the accuracy to test the speed.Alternatively, such as Fig. 1 and Fig. 2 institutes
Show, when the magnetic conductive part 40 that tests the speed is fixed using threaded fastener 110, after threaded fastener 110 can be to pass through the magnetic conductive part 40 that tests the speed
It is connected with mounting flange 21, measurement that is easy for installation and not interfering with tachogenerator 50.
In the embodiment of the utility model, it is not particularly limited for the mounting structure of tachogenerator 50, can basis
Practical structures situation is flexibly set, and is described in detail below by taking some embodiments as an example.
In some alternative embodiments of the utility model, tachogenerator 50 can be located on bogie frame 200.By
This, is relatively easily installed.Further, with reference to shown in Fig. 2 to Fig. 5, hub unit 100 can also include installed part 60, installed part
60 are connected with mounting rail 210, and tachogenerator 50 can be located on installed part 60.Thus, it is possible to installation space is sufficiently utilized,
It is more flexible easy to the installation and detection of tachogenerator 50, arrangement.Alternatively, as shown in Fig. 2, installed part 60 and mounting rail 210
It can be connected by threaded fastener 110, installation is stronger and convenient for disassembly and assembly.
The structure of installed part 60 is formed as a variety of, and there is no special restriction on this for the utility model.Alternatively, in Fig. 2 extremely
In specific embodiment shown in Fig. 5, installed part 60 can be formed as mounting box, and mounting box has box chamber 601, and box chamber 601 has
Opening, is open towards 10 side of first wheel assembly, the wall surface (wall i.e. away from first wheel assembly 10 of box chamber 601
Face, for example, the right flank shown in Fig. 3) mounting hole 602 is equipped with, the second hub assembly 20 can be threaded through mounting hole 602
Interior, mounting box, which can be located at, to test the speed on magnetic conductive part 40, and tachogenerator 50 can be located in box chamber 601.
Thus, installed part 60 can not only play the role of installing tachogenerator 50, but also can play protection and test the speed
The effect of sensor 50 and the magnetic conductive part 40 that tests the speed, the security reliability lifting of hub unit 100.
With continued reference to Fig. 2 to Fig. 5, mounting box can include main cartridge 61 and sensor mounting box 62, and main cartridge 61 can be with
For being connected with mounting rail 210, construction opening 603 can be equipped with the side wall of main cartridge 61, the magnetic conductive part 40 that tests the speed can be located at
In main cartridge 61 so that the magnetic conductive part 40 that will can test the speed of main cartridge 61 is provide with.Sensor mounting box 62 can be located at installation
In opening 603, tachogenerator 50 can be located in sensor mounting box 62.Thus, not only it is more convenient for tachogenerator 50
Installation, and be conducive to the miniaturization of installed part 60.
Alternatively, opening can be preset with sensor mounting box 62, to facilitate installation tachogenerator 50, is more conducive to cloth
Line.Required according to testing the speed, tachogenerator 50 could be provided as two, at this point it is possible to set two on sensor mounting box 62
The opening of a setting spaced apart, as shown in Figures 2 to 4.
Further, installation flange 611 can be set respectively on the front edge of main cartridge 61 and back edge, flange is installed
611 can be connected with mounting rail 210, thus, it is possible to increase the connection area of installed part 60 and mounting rail 210, installation is more reliable
And the integral strength of installed part 60 can be lifted.It is understood that installation flange 611 is not limited to be arranged on main cartridge 61
Left margin and the right can also be arranged on the upper edge and lower edge of main cartridge 61 along upper.That is, in the reality of the present invention
Apply in example, installation flange 611 can be set on opposite two edge of main cartridge 61, to realize the firm peace of installed part 60
Dress.
As shown in Figure 3 and Figure 4, when installed part 60 is connected using threaded fastener 110 with mounting rail 210, screw threads for fastening
Part 110 can be threaded through on installation flange 611, with connection installation flange 611 and mounting rail 210, good connecting effect.
Bogie frame 200 can be included and according to this according to the bogie for rail vehicle of utility model embodiment
The hub unit 100 of utility model embodiment, wherein, bogie frame 200 has mounting rail 210, and hub unit 100 can pacify
On mounting rail 210, as shown in Figures 2 to 5.
Referring to figs. 1 to shown in Fig. 5, the outside of hub spindle 30 can be arranged with sleeve 31, and sleeve 31 can be threaded through installation
On beam 210, hub spindle 30 is rotatably arranged in sleeve 31, and it is total with first wheel that sleeve 31 is stretched out at the both ends of hub spindle 30 respectively
It is connected into 10 with the second hub assembly 20.Wherein, 10 and second hub assembly 20 of first wheel assembly can pass through rotation respectively
Mechanism is rotationally connected with the corresponding end of sleeve 31, and the rotating property of hub unit 100 is good.
Since there is above-mentioned beneficial technique effect, basis according to the hub unit 100 of the utility model embodiment
The bogie structure connection and reasonable arrangement of the utility model embodiment, it is possible to achieve more accurately test the speed.
Car body can be included according to the rail vehicle of the utility model embodiment and turned according to the utility model embodiment
To frame, bogie may be mounted at the bottom of car body.It is above-mentioned beneficial due to being had according to the bogie of the utility model embodiment
Technique effect, therefore according to the rail vehicle structure connection and reasonable arrangement of the utility model embodiment, it is possible to achieve more accurately survey
Speed.
Track according to the utility model embodiment can be included according to the Rail Transit System of the utility model embodiment
Vehicle and track, rail vehicle are set in orbit, and rail vehicle can be moved in leading for track downward along track, be moved
Dynamic property is good, and the measurement of speed can be realized during rail vehicle moves, and measurement accuracy is higher.
According to its of the Rail Transit System of the utility model embodiment, rail vehicle, bogie and hub unit 100
He is formed and operation is knowable for those of ordinary skill in the art, is not described in detail herein.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, the description of reference term " embodiment ", " example ", " specific example " etc. means to combine
The embodiment or example particular features, structures, materials, or characteristics described are contained at least one implementation of the utility model
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example not
Interference, it is reconcilable in the case of can be combined with each other in an appropriate manner.
Claims (14)
- A kind of 1. hub unit for rail vehicle, it is characterised in that including：Suitable for being threaded through the hub spindle on the mounting rail of bogie frame；For installing the first wheel assembly with the wheel body of rail contact, the first wheel assembly is located at the outer of the hub spindle End；Second hub assembly, second hub assembly are located at the inner of the hub spindle；Test the speed magnetic conductive part, and the magnetic conductive part that tests the speed is located on second hub assembly synchronously to turn with second hub assembly It is dynamic, there is the recess along its circumferential alternate arrangement and convex portion on the outer circumferential surface of the magnetic conductive part that tests the speed；Tachogenerator, the tachogenerator is neighbouring described to test the speed and magnetic conductive part and coordinates with the magnetic conductive part sensing of testing the speed with reality The detection of the rotating speed of the existing first wheel assembly.
- 2. the hub unit according to claim 1 for rail vehicle, it is characterised in that described to test the speed magnetic conductive part to survey Fast magnetic conduction gear, the convex portion are teeth, and the recess is teeth groove.
- 3. the hub unit according to claim 2 for rail vehicle, it is characterised in that the magnetic conductive part that tests the speed is located at One end towards first wheel assembly of second hub assembly.
- 4. the hub unit according to claim 1 for rail vehicle, it is characterised in that the magnetic conductive part that tests the speed passes through Threaded fastener is fixed on second hub assembly.
- 5. the hub unit according to claim 1 for rail vehicle, it is characterised in that second hub assembly Outer circumferential surface is equipped with mounting flange, and the magnetic conductive part that tests the speed is set on second hub assembly and to be only against the installation convex On edge.
- 6. the hub unit according to claim 1 for rail vehicle, it is characterised in that the tachogenerator is suitable for It is located on the bogie frame.
- 7. the hub unit according to claim 6 for rail vehicle, it is characterised in that further include：Installed part, it is described Installed part is connected with the mounting rail, and the tachogenerator is located on the installed part.
- 8. the hub unit according to claim 7 for rail vehicle, it is characterised in that the installed part and the peace Dress beam is connected by threaded fastener.
- 9. the hub unit according to claim 7 for rail vehicle, it is characterised in that the installed part is formed as pacifying Mounted box, the mounting box have box chamber of the opening towards the first wheel assembly side, on the wall surface of the box chamber Equipped with the mounting hole for wearing second hub assembly, mounting box, which is located at, described to test the speed on magnetic conductive part and described tests the speed Sensor is located at the box intracavitary.
- 10. the hub unit according to claim 9 for rail vehicle, it is characterised in that the mounting box includes：The main cartridge being connected with the mounting rail, the side wall of the main cartridge are equipped with construction opening, and the magnetic conductive part that tests the speed is set In the main cartridge；Sensor mounting box, the sensor mounting box are located on the construction opening, and the tachogenerator is located at described In sensor mounting box.
- 11. the hub unit according to claim 10 for rail vehicle, it is characterised in that the main cartridge it is opposite Two edges on be respectively equipped with suitable for the installation flange that is connected with the mounting rail.
- 12. the hub unit according to claim 1 for rail vehicle, it is characterised in that the magnetic conductive part that tests the speed Outside diameter is more than the maximum radial dimension of second hub assembly.
- A kind of 13. bogie for rail vehicle, it is characterised in that including：Bogie frame, the bogie frame have the mounting rail；The hub unit for rail vehicle according to any one of claim 1-12, the hub unit and the peace Dress beam is connected.
- A kind of 14. rail vehicle, it is characterised in that including：Car body；Bogie according to claim 13, the bogie are installed on the bottom of the car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795157.7U CN207241715U (en) | 2017-07-03 | 2017-07-03 | Rail vehicle, hub unit and bogie for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795157.7U CN207241715U (en) | 2017-07-03 | 2017-07-03 | Rail vehicle, hub unit and bogie for rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207241715U true CN207241715U (en) | 2018-04-17 |
Family
ID=61877444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795157.7U Active CN207241715U (en) | 2017-07-03 | 2017-07-03 | Rail vehicle, hub unit and bogie for rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207241715U (en) |
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2017
- 2017-07-03 CN CN201720795157.7U patent/CN207241715U/en active Active
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