CN104925072A - Installation structure for equipment compartment skirt plate - Google Patents
Installation structure for equipment compartment skirt plate Download PDFInfo
- Publication number
- CN104925072A CN104925072A CN201510345136.0A CN201510345136A CN104925072A CN 104925072 A CN104925072 A CN 104925072A CN 201510345136 A CN201510345136 A CN 201510345136A CN 104925072 A CN104925072 A CN 104925072A
- Authority
- CN
- China
- Prior art keywords
- skirtboard
- side bar
- equipment compartment
- car body
- mounting structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses an installation structure for an equipment compartment skirt plate. The upper portion of the skirt plate is detachably and fixedly connected to a vehicle boundary beam. A rotary shaft with the axis parallel to the length direction of a vehicle body is arranged on a framework boundary beam of an equipment compartment. A hook part matched with the rotary shaft is arranged on the lower portion of the skirt plate. The skirt plate can rotate around the framework boundary beam through cooperation of the hook part and the rotation shaft. The installation structure facilitates detachment of the skirt plate, so that overhaul and maintenance of equipment under a vehicle are more convenient; installation reliability and safety of the skirt plate can be guaranteed, and the safety hidden hazards caused when the railway vehicle runs and the skirt plate is likely to be opened are avoided.
Description
Technical field
The present invention relates to guideway vehicle technical field, particularly relate to a kind of mounting structure of equipment compartment apron board.
Background technology
Existing guideway vehicle, as urban light rail, passenger train, motor train unit etc., for save interior space and be convenient to install, the pipeline of configuration device device and circuit, usually by associated vehicle equipment concentrated setting below vehicle body bottom frame, form equipment compartment under car.
Conveniently carry out inspection and maintenance to equipment under car, equipment compartment apron board adopts detouchable mode to be connected and fixed usually.At present, the mounting means of equipment compartment apron board is generally its upper end and is connected and fixed by bolt and car body side bar, and its lower end is connected and fixed by bolt and skeleton side bar equally.
When maintenance repair, need to dismantle skirtboard, to safeguard the equipment in equipment compartment.And skirtboard adopts bolt to be fixedly connected with, (hold-down bolt number is many to not only increase the work capacity of daily attention, need dismounting and install repeatedly), and after repeatedly dismantling, bolt and screw seat easily lost efficacy, guideway vehicle is when high-speed cruising, skirtboard is very easily opened, and line facility occurs and damages or injure personnel, affect the safety that guideway vehicle runs.
In view of this, the mounting structure of the cabin skirtboard that how to improve equipment, can either facilitate the dismounting of skirtboard, can guarantee again the reliability that skirtboard is installed and safety, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of mounting structure of equipment compartment apron board, this mounting structure had both been convenient to the dismounting of skirtboard, make the repair and maintenance of equipment under car convenient, the reliability that skirtboard is installed and safety can be guaranteed again, when avoiding guideway vehicle to run, the potential safety hazard caused easily opened by skirtboard.
For solving the problems of the technologies described above, the invention provides a kind of mounting structure of equipment compartment apron board, the top of described skirtboard is detachably fixedly connected on car body side bar, the skeleton side bar of described equipment compartment is provided with axis being parallel in the rotating shaft in length over ends of body direction, the bottom of described skirtboard has the hook part coordinated with described rotating shaft, and described skirtboard can be rotated around described skeleton side bar with coordinating of described rotating shaft by described hook part.
The mounting structure of equipment compartment apron board provided by the invention can either facilitate the dismounting of skirtboard, can guarantee the reliability that skirtboard is installed and safety again.Particularly, in this programme, the skeleton side bar of equipment compartment is provided with rotating shaft, the bottom of skirtboard is provided with the hook part coordinated with this rotating shaft, and skirtboard can rotate around skeleton side bar, so, when needing to safeguard the equipment in equipment compartment, only need dismantle the link of skirtboard top and car body side bar, then make skirtboard around skeleton side bar rotating opening, reduce the work capacity of equipment repair and maintenance under car; Further, hook part be arranged so that the quick and easy for installation of skirtboard and skeleton side bar, during installation, the bottom of skirtboard is mounted on rotating shaft by hook part; In addition, due to the bottom of skirtboard and skeleton side bar hinged, do not need dismounting, also just avoid in prior art because link frequently dismantles the failure phenomenon caused, the reliability that skirtboard is installed and safety can be guaranteed, avoid guideway vehicle in motion, because the potential safety hazard caused easily opened by link inefficacy skirtboard.
Alternatively, the groove of accommodating described hook part is formed between the body of described skeleton side bar and rotating shaft.
Alternatively, the top of described skirtboard with described car body side bar is provided with cam lock mounting hole corresponding to some groups of positions, both are affixed by cam lock.
Alternatively, the top of described skirtboard is provided with bolt hole corresponding to some groups of positions with on described car body side bar, and both are affixed by bolt.
Alternatively, the cam lock mounting hole that the top of described skirtboard is corresponding with described car body side bar being provided with some groups of positions and bolt hole, both by cam lock and bolt affixed.
Alternatively, also anti-drop device is provided with between the top of described skirtboard and described car body side bar.
Alternatively, described anti-drop device is safe latch.
Alternatively, described skirtboard is double deck type equipment structure.
Alternatively, described skirtboard is aluminum alloy apron board.
Accompanying drawing explanation
Fig. 1 shows the structural representation that in specific embodiment, skirtboard bottom is connected with equipment compartment skeleton side bar;
Fig. 2 is the partial enlarged drawing at A position in Fig. 1;
Fig. 3 shows the structural representation that in a kind of embodiment, skirtboard top is connected with car body side bar;
Fig. 4 shows the structural representation that in another kind of embodiment, skirtboard top is connected with car body side bar;
Fig. 5 shows the structural representation arranging safe latch in specific embodiment between skirtboard top and car body side bar.
In Fig. 1-5:
Car body side bar 10, skeleton side bar 20, rotating shaft 21, groove 22;
Skirtboard 30, hook part 31, bolt 40, cam lock 50, safe latch 60.
Detailed description of the invention
Core of the present invention is to provide a kind of mounting structure of equipment compartment apron board, this mounting structure had both been convenient to the dismounting of skirtboard, make the repair and maintenance of equipment under car convenient, the reliability that skirtboard is installed and safety can be guaranteed again, when avoiding guideway vehicle to run, the potential safety hazard caused easily opened by skirtboard.
The equipment compartment of guideway vehicle is arranged on below car body, forms airtight space by equipment compartment skeleton, skirtboard together with base plate etc., in order to arrange equipment, pipeline and circuit etc. under car.
The both sides of equipment compartment are located at by skirtboard; can think guar plate for compartment down either side; belong to non-bearing component; the air resistance in vehicle operating can be reduced; strengthen protection to equipment, the route of pipe line etc. under the car arranged in equipment compartment, the injury such as make it hit from the stone in vehicle operation, freezing.
Usually, the top of skirtboard is connected with car body side bar, and bottom is connected with the skeleton side bar of equipment compartment, and skirtboard is detachable, can open skirtboard, carries out repair and maintenance to equipment under the car in equipment compartment etc.
Hereafter specifically introduce the mounting structure of skirtboard, in order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1-2, Fig. 1 shows the structural representation that in specific embodiment, skirtboard bottom is connected with equipment compartment skeleton side bar; Fig. 2 is the partial enlarged drawing at A position in Fig. 1.
In a kind of specific embodiment, the mounting structure of equipment compartment apron board provided by the invention comprises the mounting structure of skirtboard 30 top and car body side bar 10, and the mounting structure of the skeleton side bar 20 of skirtboard 30 bottom and equipment compartment.
The top of skirtboard 30 is detachably fixedly connected on car body side bar 10.
Skeleton side bar 20 is provided with rotating shaft 21, the axis being parallel of this rotating shaft 21 is in length over ends of body direction; The bottom of skirtboard 30 is provided with hook part 31, and this hook part 31 matches with rotating shaft 21, and skirtboard 30 can be rotated around skeleton side bar 20.
Design like this, when installing skirtboard 30, can first make the hook part 31 of skirtboard 30 coordinate with the rotating shaft 21 of skeleton side bar 20, after skirtboard 30 being turned to the position that its top coordinates with car body side bar 10, then by skirtboard 30 top and car body side bar 10 affixed; When needing to carry out repair and maintenance to equipment under car, first remove the connection of skirtboard 30 top and car body side bar 10, due to skirtboard 30 bottom and skeleton side bar 20 hinged, the connection of skirtboard 30 bottom and skeleton side bar 20 need not be removed, only skirtboard 30 need be rotated around the outside of skeleton side bar 20 to car body, after skirtboard 30 is turned to correct position, repair and maintenance can be carried out to structures such as equipment under the car in equipment compartment.
As from the foregoing, when repair and maintenance is carried out to equipment under car, this programme only need dismantle the link of skirtboard 30 top and car body side bar 10, make skirtboard 30 around skeleton side bar 20 rotating opening, without the need to skirtboard 30 being dismantled completely as in prior art, significantly reduce the work capacity of equipment repair and maintenance under car, and, hook part 31 be arranged so that skirtboard 30 is also convenient and swift with the installation of skeleton side bar 20, during installation, the bottom of skirtboard 30 is mounted on the rotating shaft 21 of skeleton side bar 20 by hook part 31; In addition, because the bottom of skirtboard 30 and skeleton side bar 20 are for being articulated and connected, do not need dismounting, just do not deposit in the prior art because link frequently dismantles the loosening even failure phenomenon caused yet, the reliability that skirtboard 30 is installed and safety can be guaranteed, avoid guideway vehicle when travelling, because link fatigue failure skirtboard 30 is easily opened the potential safety hazard caused.
Further, the groove 22 of accommodating hook part 31 is formed between the body of skeleton side bar 20 and rotating shaft 21.
Arranging of this groove 22 can play certain position-limiting action to hook part 31, and when guideway vehicle is travelled, the bottom of skirtboard 30 can not be rocked relatively with between skeleton side bar 20.Certainly, the structure design of groove 22 should not affect hook part 31 around the shaft 21 rotation.
In concrete scheme, rotating shaft 21 and skeleton side bar 20 are wholely set, the groove 22 formed between the body of rotating shaft 21 and skeleton side bar 20 is substantially curved, hook part 31 is also wholely set with skirtboard 30, this hook part 31 also curved structure, the groove 22 of aforementioned arcuate structure can be stretched into, and fit with the outer peripheral face of rotating shaft 21.
After the top of skirtboard 30 and car body side bar 10 are fixed, the hook part 31 of skirtboard 30 bottom is limited in groove 22, thus when guideway vehicle travels, the hook part 31 of skirtboard 30 can not depart from skeleton side bar 20, and reliability and the safety of skirtboard 30 installation are higher; When needing to open skirtboard 30, after removing the connection of skirtboard 30 top and car body side bar 10, skirtboard 30 21 is rotated around the shaft by hook part 31 outside car body, as shown in Figure 2, now hook part 31 still has part to be limited in groove 22, while opening skirtboard 30, skirtboard 30 can be avoided again to depart from skeleton side bar 20, be convenient to the installation of follow-up skirtboard 30.
Certainly, rotating shaft 21 and skeleton side bar 20, it is also feasible that hook part 31 and skirtboard 30 are not set to integrative-structure, just so, rotating shaft 21 needs to be connected with skeleton side bar 20, and hook part 31 and skirtboard 30 also need to be connected, and add processing step, and connecting portion increases, for the reliability of product and sealing requirements also higher.In contrast, actual can the preferred aforementioned scheme be wholely set when arranging.
In addition, address described in figure before the concrete structure of rotating shaft 21 and hook part 31 is also not limited to, as long as cooperatively interact, skirtboard 30 can be rotated around skeleton side bar 20.
On the basis of such scheme, can there be various ways on skirtboard 30 top with the mode that is detachably fixedly connected with of car body side bar 10.
As, the cam lock mounting hole that skirtboard 30 top is corresponding with car body side bar 10 being provided with some groups of positions, skirtboard 30 top is fixedly connected with by cam lock 50 with car body side bar 10.Can understand with reference to figure 3, Fig. 3 shows the structural representation that in a kind of embodiment, skirtboard top is connected with car body side bar.
So, when removing the connection of skirtboard 30 top and car body side bar 10, only need open cam lock 50 with key, the structure of cam lock 50 also can not lose efficacy after repeatedly opening, coordinate with the hinged of skeleton side bar 20 with skirtboard 30 bottom, strengthen reliability and the safety of skirtboard 30 installation, effectively prevent in guideway vehicle driving process, skirtboard 30 is opened.
It is pointed out that above-mentioned some groups of cam lock mounting holes can comprise one group, two or more groups, specifically can determine according to the actual structures such as the length of skirtboard 30 that arrange.
And for example, skirtboard 30 top with car body side bar 10 is provided with bolt hole corresponding to some groups of positions, skirtboard 30 top is fixedly connected with by bolt 40 with car body side bar 10.Can understand with reference to figure 4, Fig. 4 shows the structural representation that in another kind of embodiment, skirtboard top is connected with car body side bar.
Due to skirtboard 30 bottom and skeleton side bar 20 hinged, if so it is also feasible that skirtboard 30 top still adopts bolt 40 and car body side bar 10 affixed.Compare prior art, obviously decrease the number of hold-down bolt 40, the work capacity of equipment repair and maintenance under car can be reduced equally.
Certainly, in contrast, reliability and the safety of aforementioned schemes are higher, so, actual when arranging, for the skirtboard 30 at frequent dismounting position, the scheme of cam lock 50 fixed skirt 30 top and car body side bar 10 can be adopted, for the skirtboard 30 infrequently dismantling position, the scheme of bolt 40 fixed skirt 30 top and car body side bar 10 can be adopted.
Be appreciated that the mode that application cam lock 50 and bolt 40 combine also is feasible.Particularly, the cam lock mounting hole corresponding with car body side bar 10 being arranged some groups of positions on the top of skirtboard 30 and bolt hole, skirtboard 30 top and car body side bar 10 are achieved a fixed connection by cam lock 50 and bolt 40.
When specifically arranging, the number of cam lock 50 and the number of bolt 40 can set according to actual needs, do not limit here.
Further, between the top of skirtboard 30 and car body side bar 10, also anti-drop device is provided with.
So, when causing cam lock 50 because of unforeseen circumstances, bolt 40 was when losing efficacy, and the setting of anti-drop device can ensure that skirtboard 30 can not be opened, and guarantees the safety that guideway vehicle travels.
Particularly, anti-drop device can be safe latch 60, as shown in Figure 5.Certainly, anti-drop device also can be set to other and has the structure preventing skirtboard 30 to be opened.
In above-mentioned each scheme, skirtboard 30 can adopt double deck type equipment structure, to increase the intensity of skirtboard 30; In addition, the structure (as sliding groove structure) being fixedly arranged on the connection miscellaneous part of skirtboard 30 can be set to one with skirtboard 30.
In above-mentioned each scheme, skirtboard 30 can be set to aluminum alloy apron board, has higher intensity.
Above the mounting structure of equipment compartment apron board provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. the mounting structure of equipment compartment apron board, the top of described skirtboard (30) is detachably fixedly connected on car body side bar (10); It is characterized in that, the skeleton side bar (20) of described equipment compartment is provided with axis being parallel in the rotating shaft (21) in length over ends of body direction, the bottom of described skirtboard (30) has the hook part (31) coordinated with described rotating shaft (21), and described skirtboard (30) can be rotated around described skeleton side bar (20) with coordinating of described rotating shaft (21) by described hook part (31).
2. the mounting structure of equipment compartment apron board according to claim 1, is characterized in that, forms the groove (22) of accommodating described hook part (31) between the body of described skeleton side bar (20) and rotating shaft (21).
3. the mounting structure of equipment compartment apron board according to claim 2, it is characterized in that, the top of described skirtboard (30) is provided with cam lock mounting hole corresponding to some groups of positions with on described car body side bar (10), and both are affixed by cam lock (50).
4. the mounting structure of equipment compartment apron board according to claim 2, it is characterized in that, the top of described skirtboard (30) is provided with bolt hole corresponding to some groups of positions with on described car body side bar (10), and both are affixed by bolt (40).
5. the mounting structure of equipment compartment apron board according to claim 2, it is characterized in that, the cam lock mounting hole that the top of described skirtboard (30) is corresponding with described car body side bar (10) being provided with some groups of positions and bolt hole, both by cam lock (50) and bolt (40) affixed.
6. the mounting structure of the equipment compartment apron board according to any one of claim 3 to 5, is characterized in that, is also provided with anti-drop device between the top of described skirtboard (30) and described car body side bar (10).
7. the mounting structure of equipment compartment apron board according to claim 6, is characterized in that, described anti-drop device is safe latch (60).
8. the mounting structure of the equipment compartment apron board according to any one of claim 1 to 5, is characterized in that, described skirtboard (30) is double deck type equipment structure.
9. the mounting structure of the equipment compartment apron board according to any one of claim 1 to 5, is characterized in that, described skirtboard (30) is aluminum alloy apron board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345136.0A CN104925072A (en) | 2015-06-19 | 2015-06-19 | Installation structure for equipment compartment skirt plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345136.0A CN104925072A (en) | 2015-06-19 | 2015-06-19 | Installation structure for equipment compartment skirt plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104925072A true CN104925072A (en) | 2015-09-23 |
Family
ID=54112582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510345136.0A Pending CN104925072A (en) | 2015-06-19 | 2015-06-19 | Installation structure for equipment compartment skirt plate |
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| CN (1) | CN104925072A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740959A (en) * | 2016-11-30 | 2017-05-31 | 中车长春轨道客车股份有限公司 | A kind of Highs-speed motor train unit bogie apron board mounting structure |
| WO2017088635A1 (en) * | 2015-11-24 | 2017-06-01 | 中车青岛四方机车车辆股份有限公司 | Railway train, train body and processing technology thereof, and equipment compartment |
| CN108216281A (en) * | 2018-01-31 | 2018-06-29 | 成都市新筑路桥机械股份有限公司 | A kind of upper skirt board connecting structure of low-floor tramcar |
| CN110758425A (en) * | 2019-11-08 | 2020-02-07 | 中车青岛四方机车车辆股份有限公司 | Apron board limiting device of equipment compartment under vehicle |
| CN112298226A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Connecting piece and have equipment cabin, rail vehicle of this connecting piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008207606A (en) * | 2007-02-23 | 2008-09-11 | Central Japan Railway Co | Railroad vehicle having skirt mounting structure |
| JP4759718B2 (en) * | 2009-02-13 | 2011-08-31 | 川崎重工業株式会社 | Railcar structures |
| CN102514581A (en) * | 2011-11-30 | 2012-06-27 | 唐山轨道客车有限责任公司 | Apron board locking failure protection device and bullet train |
| CN202952989U (en) * | 2012-12-05 | 2013-05-29 | 南车青岛四方机车车辆股份有限公司 | Novel apron board for equipment compartment of railway vehicle |
| CN103991457A (en) * | 2014-05-23 | 2014-08-20 | 唐山轨道客车有限责任公司 | Sewage suction mouth protective door device, skirting board and motor train unit |
| CN204750172U (en) * | 2015-06-19 | 2015-11-11 | 南车青岛四方机车车辆股份有限公司 | Mounting structure of equipment compartment skirtboard |
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2015
- 2015-06-19 CN CN201510345136.0A patent/CN104925072A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008207606A (en) * | 2007-02-23 | 2008-09-11 | Central Japan Railway Co | Railroad vehicle having skirt mounting structure |
| JP4759718B2 (en) * | 2009-02-13 | 2011-08-31 | 川崎重工業株式会社 | Railcar structures |
| CN102514581A (en) * | 2011-11-30 | 2012-06-27 | 唐山轨道客车有限责任公司 | Apron board locking failure protection device and bullet train |
| CN202952989U (en) * | 2012-12-05 | 2013-05-29 | 南车青岛四方机车车辆股份有限公司 | Novel apron board for equipment compartment of railway vehicle |
| CN103991457A (en) * | 2014-05-23 | 2014-08-20 | 唐山轨道客车有限责任公司 | Sewage suction mouth protective door device, skirting board and motor train unit |
| CN204750172U (en) * | 2015-06-19 | 2015-11-11 | 南车青岛四方机车车辆股份有限公司 | Mounting structure of equipment compartment skirtboard |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088635A1 (en) * | 2015-11-24 | 2017-06-01 | 中车青岛四方机车车辆股份有限公司 | Railway train, train body and processing technology thereof, and equipment compartment |
| CN106740959A (en) * | 2016-11-30 | 2017-05-31 | 中车长春轨道客车股份有限公司 | A kind of Highs-speed motor train unit bogie apron board mounting structure |
| CN108216281A (en) * | 2018-01-31 | 2018-06-29 | 成都市新筑路桥机械股份有限公司 | A kind of upper skirt board connecting structure of low-floor tramcar |
| CN110758425A (en) * | 2019-11-08 | 2020-02-07 | 中车青岛四方机车车辆股份有限公司 | Apron board limiting device of equipment compartment under vehicle |
| CN112298226A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Connecting piece and have equipment cabin, rail vehicle of this connecting piece |
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| CB02 | Change of applicant information |
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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Application publication date: 20150923 |