CN104608789B - Track train and its structure of axle box - Google Patents
Track train and its structure of axle box Download PDFInfo
- Publication number
- CN104608789B CN104608789B CN201510021216.0A CN201510021216A CN104608789B CN 104608789 B CN104608789 B CN 104608789B CN 201510021216 A CN201510021216 A CN 201510021216A CN 104608789 B CN104608789 B CN 104608789B
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- Prior art keywords
- box
- mounting seat
- axle box
- positioning node
- installation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/20—Details
Abstract
The invention discloses a kind of track train and its structure of axle box, including axle box and positioning node mounting seat (112), bearing installation cavity (1a) is provided with axle box, positioning node mounting seat (112) is provided with the installation cavity of installation positioning node, axle box longitudinal centre line is parallel with the longitudinal center plane of positioning node mounting seat (112), and the longitudinal center plane of positioning node mounting seat (112) deviates laterally with respect to the longitudinal center plane of axle box；Bigger space so can be reserved for the installation of brake clamp, it is easy to the installation and replacing of brake clamp, wheel pair, certainly, compared with prior art, structure after optimizing herein, brake clamp installation site have bigger using space, are advantageous to installation volume and compare larger brake clamp, stopping power is improved, so as to improve vehicle performance.In addition, the installation of positioning node is relatively easy to installation, disassembling section close to outside.
Description
Technical field
The present invention relates to rail vehicle technical field, more particularly to a kind of track train and its structure of axle box.
Background technology
Structure of axle box is the turning joint for connecting framework and wheel pair, in addition to the power for transmitting all directions and vibrations, axle box
Structure must ensure wheel to can adapt to line conditions and relative to framework bob and left and right traversing.
Important spare part of the structure of axle box as fifth wheel pair and framework, axial arrangement typically use pivoted arm and rod-pulling type
Two kinds of structures.Current most of track trains use pivoted arm structure of axle box, and wherein pivoted arm structure of axle box includes integral type
Axle box and pivoted arm, i.e. pivoted arm axle box, pivoted arm axle box include axle box and positioning node mounting seat, axle are provided with inside axle box
To hold, in axle box, journal box spring is provided between the upper surface of axle box and bogie frame by bearing for the end of axletree,
Vertical damper mounting seat is additionally provided with axle box outer wall, for installing one end of vertical damper, vertical damper it is another
End connection framework.Positioning node mounting seat is used to install positioning node, and positioning node is to leading between transfer wheel pair and framework
Gravitation and brake force.
At present, it is also equipped with being used for the system of braking on framework to being also equipped with brake disc on the axletree near inner side positioned at wheel
The brake clamp of Moving plate, wherein taking turns can dismantle and quickly more to the requirement of, brake disc during later stage use from axletree
Change.Above-mentioned pivoted arm axle box is installed on the outside of wheel pair, that is to say, that the parts for being installed on wheel to annex are relatively more, still
Because underbody space is limited, therefore each part of pivoted arm axle box, brake disc, brake clamp can only be arranged in the confined space, also
It is to say, the structure of above-mentioned each part directly affects the assembly relation between each part, even relates to the performance of vehicle.Therefore, it is excellent
It is always the mesh that those skilled in that art constantly pursue to change the position relationship between pivoted arm axle box, brake disc, brake clamp
Mark.
Therefore, how according to the underbody part such as the present situation of car body, optimization pivoted arm axle box, brake disc, brake clamp in car
Arrangement on body, optimize arrangement, and improve wheel to changing speed, be that those skilled in that art's technology urgently to be resolved hurrily is asked
Topic.
The content of the invention
The purpose of the present invention is provides a kind of track train and structure of axle box, by the specific knot for changing structure of axle box
Structure, the arrangement of underbody part is further optimized, vehicle braking reliability and wheel can be improved to changing speed.
The invention provides a kind of structure of axle box of track train, including axle box and positioning node mounting seat, the axle
Bearing installation cavity is provided with casing, the positioning node mounting seat is provided with the installation cavity of installation positioning node, the axle box
Body longitudinal center plane is parallel with the longitudinal center plane of the positioning node mounting seat, and in the longitudinal direction of the positioning node mounting seat
The longitudinal center plane of the relatively described axle box in heart face deviates laterally.
Further optimization has been carried out to the rigging position between, brake clamp to axletree, bogie frame, wheel herein, will
The longitudinal center plane of positioning node mounting seat deviates laterally with respect to the longitudinal center plane of axle box, and correspondingly, framework fixes bullet
Spring cylinder axial centre is different from the curb girder center of stationary positioned node, so can be that the installation of brake clamp reserves bigger sky
Between, it is easy to the installation and replacing of brake clamp, wheel pair, certainly, compared with prior art, the structure after optimizing herein, braking
Clamp installation site has bigger using space, is advantageous to installation volume and compares larger brake clamp, improves braking
Ability, so as to improve vehicle performance.
In addition, the installation of positioning node is relatively easy to installation, disassembling section close to outside.
Preferably, the axle box is split-type structural, including the upper box and lower box that sealing coordinates, the upper box
The bearing installation cavity is surrounded jointly with the lower box, and both are bolted, the positioning node mounting seat and institute
State top box body by integral forming.
Preferably, two lateral borders of the lower surface of the upper box vertically have the convex portion extended downwardly, the nowel
Two lateral borders of the upper surface of body have downward recess, and the first half are respectively equipped with the middle part of the upper box and the lower box
Circular hole and the second semicircle orifice, after the convex portion and the recess fasten sealing assembling, first semicircle orifice and described the second half
Circular hole forms the bearing installation cavity.
Preferably, the convex portion also has the first boss to stretch out, and the recess has second to stretch out convex
Platform, internal thread hole is provided with the first boss, through hole, the upper box and the nowel are provided with the second boss
Body located at the through hole with the bolt in the internal thread hole by being fixedly connected simultaneously.
Preferably, vertically, the both ends of the first boss have the extension to stretch out, and two extensions are set
It is equipped with the vertical damper mounting seat for coordinating installation with the vertical damper of track train.
Preferably, in addition to alignment pin, the alignment pin include the big footpath section in middle part and positioned at the big footpath section both ends
Path section, the upper surface of the second boss is additionally provided with counterbore, and the height of the big footpath section is less than the macropore of the counterbore
Highly, the cooperation position of the lower surface of the first boss is also equipped with positioning hole, when the upper box and the lower box are matched somebody with somebody
When closing installation, two path sections are respectively arranged on inside the aperture of the counterbore and inside the positioning hole.
Preferably, it is perpendicular to being provided with lifting seat to lifting seat, the wheel that wheel is additionally provided with the outer wall of the upper box
To lifting hole；The outer wall bottom of the lower box is additionally provided with obstacle deflector mounting seat, for installing trapped orbit train
Obstacle deflector.
Preferably, it is recessed to be circumferentially additionally provided with the first draining respectively for the end of the upper box and the lower box connection end cap
After groove and the second drain groove, the upper box and lower box installation, first drain groove and second draining
Groove type circlewise groove.
Preferably, the positioning node mounting seat is Split type structure, including left mounting seat and right mounting seat, the left installation
Seat and the top box body by integral forming, the left mounting seat and the right mounting seat are respectively provided with inside depressed part, when left installation
After seat and the right mounting seat cooperation are fixed, two depressed parts form the installation cavity of the positioning node.
Present invention also offers a kind of track train, including wheel to, framework and is installed on the wheel pair and the framework
Between structure of axle box, the structure of axle box is the structure of axle box described in any of the above-described, sets on the framework and coordinates installation
The curb girder of the positioning node.
Because track train possesses above-mentioned structure of axle box, therefore track train also possesses the above-mentioned technique effect of the structure of axle box.
Brief description of the drawings
Fig. 1 is the structural representation of structure of axle box in an embodiment of the present invention；
Fig. 2 is the top view of structure of axle box shown in Fig. 1；
Fig. 3 is the A-A views in Fig. 2；
Fig. 4 is the C-C views in Fig. 2；
Fig. 5 is the B-B views in Fig. 2.
Wherein, one-to-one relationships of the Fig. 1 into Fig. 5 between component names and reference is as follows：
Upper box 11, bearing installation cavity 1a, screwed hole 11a, the first rhone 11c, the second rhone 12c, spring installation
Seat 111, screwed hole 111a, positioning node mounting seat 112, mounting hole 112a, vertical damper mounting seat 113, wheel are to lifting seat
114th, screwed hole 115a, convex portion 116, first boss 115, second boss 122, lower box 12, outage 12b, obstacle deflector peace
Fill seat 121, boss 122, through hole 122a, recess 123, pivoted arm 13, alignment pin 114, big footpath section 141, the first path section 142, the
Two path sections 143.
Embodiment
The core of the present invention is provides a kind of track train and structure of axle box, by changing the concrete structure of structure of axle box,
The arrangement of underbody part is further optimized, vehicle braking reliability and wheel can be improved to changing speed.
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
Fig. 1-Fig. 2 is refer to, Fig. 1 is the structural representation of structure of axle box in an embodiment of the present invention；Fig. 2 is Fig. 1 institutes
Show the top view of structure of axle box.
The invention provides a kind of structure of axle box of track train, including axle box and positioning node mounting seat 112, axle box
Bearing installation cavity 1a is provided with vivo, bearing is installed on bearing installation cavity 1a inside, and the end for being provided with the axletree of wheel pair leads to
Bearing is crossed inside the bearing installation cavity 1a of axle box.In order to protect internal bearings from the influence of external environment, axle box
Bearing installation cavity 1a both sides be additionally provided with drive end bearing bracket and rear end cap.The upper surface of axle box is additionally provided with journal box spring installation
Seat 111, for installing journal box spring, correspondingly, is provided with spring strut, journal box spring is located at spring strut on framework.Usually, axle
Screwed hole 111a is provided with case spring mounting seat 111, for fixed spring cylinder.
Positioning node mounting seat 112 is provided with the installation cavity of installation positioning node, and positioning node is to transfer wheel pair and structure
Tractive force and brake force between frame.Usually, gone back positioned at wheel to being also equipped with brake disc on the axletree near inner side on framework
Brake clamp for braking brake disc is installed, axle box longitudinal center plane and positioning node mounting seat 112 in the present invention
Longitudinal center plane is parallel, and the longitudinal center plane of positioning node mounting seat 112 is with respect to the outside lateral deviation of the longitudinal center plane of axle box
From deviation distance H can be preferable according to design alternative, preferably 10-30mm, 20mm or so.Correspondingly, it is used to connect on framework and determines
The curb girder of position node accordingly outwards offsets appropriate spacing.
Further optimization has been carried out to the rigging position between, brake clamp to axletree, bogie frame, wheel herein, will
The longitudinal center plane of positioning node mounting seat 112 deviates laterally with respect to the longitudinal center plane of axle box, and correspondingly, framework is fixed
Spring strut axial centre is different from the curb girder center of stationary positioned node, can so be reserved for the installation of brake clamp bigger
Space, it is easy to the installation and replacing of brake clamp, wheel pair, certainly, compared with prior art, the structure after optimizing herein, system
Dynamic clamp installation site has bigger using space, is advantageous to installation volume and compares larger brake clamp, improves system
Kinetic force, so as to improve vehicle performance.
In addition, the installation of positioning node is relatively easy to installation, disassembling section close to outside.
In order to further be conveniently replaceable wheel pair, axle box can be further split type knot in a kind of specific embodiment
Structure, including the upper box 11 and lower box 12 that sealing coordinates, upper box 11 and lower box 12 surround bearing installation cavity 1a jointly, and
Both are bolted, and positioning node mounting seat 112 is integrally formed with upper box 11.
So, when wheel is to changing, lower box 12 need to only be dismantled from upper box 11, and dismounting connects with lower box 12
The replacing of wheel pair can be achieved in the associated components connect, without dismantling whole axle box, substantially increases the replacing efficiency of wheel pair.
For the specific attachment structure of upper box 11 and lower box 12, one can be following present by numerous embodiments
The concrete structure of kind upper box 11 and lower box 12, it is specific as follows.
Please comprehensive reference Fig. 3, Fig. 3 is the A-A views in Fig. 2；In a kind of embodiment, the lower end of upper box 11
Two lateral borders of face vertically have the convex portion 116 that extends downwardly, and two lateral borders of the upper surface of lower box 12 vertically have
The middle part of downward recess 123, upper box 11 and lower box 12 is respectively equipped with the first semicircle orifice and the second semicircle orifice, convex portion 116
After fastening sealing assembling with recess 123, the first semicircle orifice and the second semicircle orifice form bearing installation cavity 1a.It should be noted that
When above-mentioned axial direction refers to axle box with wheel in rigging position, the axis direction of axletree.
The realizations such as sealing ring can be set to fasten sealing assembling between upper box 11 and lower box 12, the assembly method is favourable
In the sealing for improving bearing installation cavity 1a.Labyrinth sealing can be set simultaneously and gap is close inside upper box 11 and lower box 12
Two kinds of structures are sealed, ensure sealing property.
Fig. 4 is refer to, Fig. 4 is the C-C views in Fig. 2.
Specifically, convex portion 122 can also have the first boss 115 that stretches out, and recess 123 has the to stretch out
Two boss 122, internal thread hole 115a is provided with first boss 115, through hole 122a, upper box are provided with second boss 122
11 with lower box 12 by being fixedly connected with the bolt in internal thread hole 115a located at through hole 122a simultaneously.The axle box of the structure
When fixed, the bottom-up through hole 122a through second boss 122 in threaded portion of screw or bolt is tightened in first boss 115
In internal thread hole 115a, the reliable fixation of first boss 115 and second boss 122 is realized.
In a kind of embodiment, vertically, the both ends of first boss 115 have the extension to stretch out,
Two extensions are provided with the vertical damper mounting seat 113 for coordinating installation with the vertical damper of track train.In the present embodiment,
Vertical damper mounting seat 113 is integrally formed with upper box 11, without follow-up assembling, you can simplify the processing technology of axle box,
The use intensity of axle box can be improved again.
Assembled for the ease of upper box 11 and lower box 12, the structure of axle box in the various embodiments described above can also be wrapped further
Alignment pin 114 is included, alignment pin 114 includes the big footpath section 141 in middle part and the path section positioned at the big both ends of footpath section 141, second boss
122 upper surface is additionally provided with counterbore, and counterbore includes the larger less diameter holes of large diameter hole and aperture in aperture, and big footpath section 141
Height be less than counterbore large diameter hole height, the cooperation position of the lower surface of first boss 115 is also equipped with positioning hole, when upper
When casing 11 and lower box 12 coordinate installation, two path sections are respectively arranged on inside the diameter holes of counterbore and inside positioning hole.Herein
Two path sections are defined as the first path section 142 and the second path section 143, both respectively with the positioning hole of first boss 115 and
The diameter holes of counterbore coordinate, and the cooperation can be that gap coordinates, or interference fit.
So, the second path section 143 of alignment pin 114 when mounted, first can be located at by upper box 11 and lower box 12
In the diameter holes of the counterbore of second boss 122, casing 11 and lower box 12 are quick in realization, are accurately positioned, and then recycle
Bolt fixes upper box 11 and lower box 12.
In the various embodiments described above, wheel is also provided with the outer wall of upper box 11 to lifting seat, is taken turns to being set on lifting seat
Vertical lifting hole is equipped with, the outer wall bottom of lower box 12 is additionally provided with obstacle deflector mounting seat 121, for installing trapped orbit
The obstacle deflector of train, the concrete structure of obstacle deflector mounting seat 121 refer to Fig. 3.
Please comprehensive reference Fig. 5, Fig. 5 is the B-B views in Fig. 2, is only to show left mounting seat in wherein Fig. 1-2, does not show
Go out right mounting seat.
Further, for the ease of the fast quick-detach of positioning node, positioning node mounting seat 112 can be Split type structure,
Including left mounting seat and right mounting seat, left mounting seat is integrally formed with upper box 11, left mounting seat and right mounting seat be respectively provided with to
Interior depressed part, after left mounting seat and fixed right mounting seat cooperation, two depressed parts form the installation cavity of positioning node.Left installation
Seat and right mounting seat are bolted, and the mounting hole 112a of left mounting seat specific setting refer to Fig. 5.
In the various embodiments described above, the end of upper box 11 and the connection end cap of lower box 12 is circumferentially additionally provided with first row respectively
After water groove 11c and the second drain groove 12c, upper box 11 and lower box 12 are installed, the first drain groove 11c and the second draining
Groove 12c forms annular recess.The set-up mode can avoid the liquid such as water from being directly entered inside axle box.
Outage 12b is further provided with lower box 12, in the case of or else can dismantling miscellaneous part, will be detected a flaw
Oil, bearing grease etc. are discharged, and improve operating efficiency.
On the basis of above-mentioned structure of axle box, a kind of track train is also provided herein, including wheel is to, framework and installation
In structure of axle box of the wheel pair between framework, structure of axle box is the structure of axle box of any of the above-described embodiment.
Because track train possesses above-mentioned structure of axle box, therefore track train also possesses the above-mentioned technique effect of the structure of axle box.
A kind of track train provided by the present invention and its structure of axle box are described in detail above.It is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands
The method and its core concept of the present invention.It should be pointed out that for those skilled in the art, this is not being departed from
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention
In scope of the claims.
Claims (9)
1. a kind of structure of axle box of track train, including axle box and positioning node mounting seat (112), the axle box is interior to be set
There is bearing installation cavity (1a), the positioning node mounting seat (112) is provided with the installation cavity of installation positioning node, and its feature exists
In the axle box longitudinal center plane is parallel with the longitudinal center plane of the positioning node mounting seat (112), and the positioning section
The longitudinal center plane of the relatively described axle box of longitudinal center plane of point mounting seat (112) deviates laterally；
The axle box is split-type structural, including the upper box (11) and lower box (12) that sealing coordinates, the upper box
(11) and the lower box (12) surrounds the bearing installation cavity (1a) jointly, and both are bolted, the positioning section
Point mounting seat (112) is integrally formed with the upper box (11).
2. the structure of axle box of track train as claimed in claim 1, it is characterised in that the lower surface edge of the upper box (11)
Two lateral borders of axial direction have the convex portion (116) that extends downwardly, two lateral borders of the upper surface of the lower box (12) have to
Under recess (123), the first semicircle orifice and the second half are respectively equipped with the middle part of the upper box (11) and the lower box (12)
After circular hole, the convex portion (116) and the recess (123) fasten sealing assembling, first semicircle orifice and second semicircle
Hole forms the bearing installation cavity (1a).
3. the structure of axle box of track train as claimed in claim 2, it is characterised in that the convex portion (116) also has outside
The first boss (115) of extension, the recess (123) have the second boss (122) to stretch out, the first boss
(115) internal thread hole (115a) is provided with, through hole (122a), the upper box are provided with the second boss (122)
(11) consolidated with the lower box (12) by the bolt simultaneously in the through hole (122a) and the internal thread hole (115a)
Fixed connection.
4. the structure of axle box of track train as claimed in claim 3, it is characterised in that vertically, the first boss (115)
Both ends there is the extension that stretches out, two extensions are provided with and the vertical damper of track train coordinates and installed
Vertical damper mounting seat (113).
5. the structure of axle box of the track train as described in any one of Claims 1-4, it is characterised in that also including alignment pin
(14), the alignment pin (14) includes the big footpath section (141) in middle part and the path section positioned at big footpath section (141) both ends, institute
The upper surface for stating second boss (122) is additionally provided with counterbore, and the height of the big footpath section (141) is less than the macropore of the counterbore
Highly, the cooperation position of the lower surface of the first boss (115) is also equipped with positioning hole, when the upper box (11) and described
When lower box (12) coordinates installation, two path sections are respectively arranged on inside the aperture of the counterbore and inside the positioning hole.
6. the structure of axle box of track train as claimed in claim 1, it is characterised in that on the outer wall of the upper box (11) also
Wheel is provided with to lifting seat (114), the wheel on lifting seat (114) to being provided with vertical lifting hole；The lower box (12)
Outer wall bottom be additionally provided with obstacle deflector mounting seat, for installing the obstacle deflector of trapped orbit train.
7. the structure of axle box of track train as claimed in claim 1, it is characterised in that the upper box (11) and the nowel
The end of body (12) connection end cap is circumferentially additionally provided with the first drain groove (11c) and the second drain groove (12c) respectively, described
After upper box (11) and the lower box (12) installation, first drain groove (11c) and second drain groove (12c)
Form annular recess.
8. the structure of axle box of the track train as described in any one of Claims 1-4, it is characterised in that the positioning node peace
Dress seat (112) be Split type structure, including left mounting seat and right mounting seat, the left mounting seat and the upper box (11) it is integral into
Type, the left mounting seat and the right mounting seat are respectively provided with inside depressed part, when left mounting seat and the right mounting seat coordinate
After fixation, two depressed parts form the installation cavity of the positioning node.
9. a kind of track train, including wheel to, framework and is installed on structure of axle box of the wheel pair between the framework, its
It is characterised by, the structure of axle box is the structure of axle box described in any one of claim 1 to 7, is set on the framework and coordinates peace
Fill the curb girder of the positioning node.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021216.0A CN104608789B (en) | 2015-01-16 | 2015-01-16 | Track train and its structure of axle box |
| US15/112,513 US9744976B2 (en) | 2015-01-16 | 2015-11-12 | Railway vehicle and axle box structure thereof |
| PCT/CN2015/094415 WO2016112736A1 (en) | 2015-01-16 | 2015-11-12 | Rail train and axle box structure thereof |
| GB1612496.8A GB2536397B8 (en) | 2015-01-16 | 2015-11-12 | Railway vehicle and axle box structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021216.0A CN104608789B (en) | 2015-01-16 | 2015-01-16 | Track train and its structure of axle box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104608789A CN104608789A (en) | 2015-05-13 |
| CN104608789B true CN104608789B (en) | 2017-12-01 |
Family
ID=53143507
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510021216.0A Active CN104608789B (en) | 2015-01-16 | 2015-01-16 | Track train and its structure of axle box |
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| Country | Link |
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| CN (1) | CN104608789B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2536397B8 (en) * | 2015-01-16 | 2017-10-04 | Crrc Qingdao Sifang Co Ltd | Railway vehicle and axle box structure thereof |
| GB2537299B8 (en) * | 2015-01-16 | 2017-08-09 | Crrc Qingdao Sifang Co Ltd | Railway vehicle and axle box structure thereof |
| CN106740960A (en) * | 2017-03-20 | 2017-05-31 | 康为同创集团有限公司 | C-shaped support and high ferro gear-box suspension assembly |
| CN109484422A (en) * | 2018-11-13 | 2019-03-19 | 中车长春轨道客车股份有限公司 | 200km/h passenger car bogie and rail vehicle with the bogie |
| CN112622970A (en) * | 2020-12-29 | 2021-04-09 | 济南巨鑫机车车辆配件有限公司 | Positioning device for K2 bearing saddle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1220845A (en) * | 1960-09-26 | 1960-05-27 | Eaton Axles Ltd | Enhancements to Tandem Axle Suspension Packages |
| JP2006335138A (en) * | 2005-05-31 | 2006-12-14 | Nsk Ltd | Bering unit for railroad vehicle |
| CN200992006Y (en) * | 2006-12-12 | 2007-12-19 | 合肥锻压机床有限公司 | Side-moving-frame hydraulic machine body positioning device |
| CN201193037Y (en) * | 2008-08-15 | 2009-02-11 | 铁道部运输局 | Rocker type journal box positioning device of high-speed motor train set bogies |
| CN103171579B (en) * | 2013-04-01 | 2015-10-07 | 齐齐哈尔轨道交通装备有限责任公司 | A kind of bogie truck and wheel thereof are to registration device |
| CN203427804U (en) * | 2013-08-29 | 2014-02-12 | 南车南京浦镇车辆有限公司 | Integrated positioning turning arm for bogie |
| CN103692245A (en) * | 2013-12-24 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Crane-type shaft box processing and positioning device |
| CN204488815U (en) * | 2015-01-16 | 2015-07-22 | 南车青岛四方机车车辆股份有限公司 | Track train and structure of axle box thereof |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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Effective date of registration: 20170915 Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Applicant after: CHINA RAILWAY CORPORATION Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CRRC QINGDAO SIFANG CO., LTD. |
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