CN204674610U - A kind of mounting structure of Multiple disc brake device and apply the bogie truck of this mounting structure - Google Patents
A kind of mounting structure of Multiple disc brake device and apply the bogie truck of this mounting structure Download PDFInfo
- Publication number
- CN204674610U CN204674610U CN201520158330.3U CN201520158330U CN204674610U CN 204674610 U CN204674610 U CN 204674610U CN 201520158330 U CN201520158330 U CN 201520158330U CN 204674610 U CN204674610 U CN 204674610U
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- China
- Prior art keywords
- disc brake
- multiple disc
- brake device
- mounting structure
- mount pad
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- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of mounting structure of Multiple disc brake device and applies the bogie truck of this mounting structure, comprise Multiple disc brake device, framework and the wheel that is connected with framework right, framework comprises the crossbeam of both sides curb girder and fixing both sides curb girder, at wheel, brake disc is provided with to the both sides of wheel, Multiple disc brake device is provided with front-end equipment and rear linkage, curb girder is provided with mount pad, and front-end equipment and rear linkage hanging are fixed on mount pad.The utility model can bear larger braking heat, and it is fixed on curb girder by hinged suspending way, neither affects the loading strength that brakeage additionally reduces crossbeam, and makes bogie truck inner structure more reasonable, and compact conformation, is convenient to drg and installs.Rear mount pad adopts the round steel pipe of hollow, alleviates rear mount pad weight, is beneficial to and reduces the stressed of curb girder riser.
Description
Technical field
The utility model relates to a kind of mounting structure, particularly a kind of Multiple disc brake device mounting structure and apply the bogie truck of this mounting structure.
Background technology
The bogie truck of railcar is the important component part of whole vehicle, and its performance directly has influence on the safety, stability, operation speed per hour etc. of entire vehicle.Railcar is mainly divided into three kinds of vehicles: A type, Type B and C type, and the key distinction between them is width over sides of car body, and wherein A type car width over sides of car body is maximum, and passenger capacity is maximum, and corresponding bogie axle is heavy also larger, but basic at below 16t.A type railcar of the prior art, design axle is heavily only 16t, and passenger capacity is limited, and the demand to subway passenger capacity when can not meet city traffic peak, can not well alleviate municipal transport pressure.
The brake system of bogie truck concerns the braking potential of whole vehicle, it is the important component part of whole bogie truck, existing brake system is arranged on crossbeam, time nervous in space, be unfavorable for layout and the design of bogie truck internal unit, and for improving transport power, when increasing axle and being heavy, motor and gear case have excessive load for crossbeam, and brake system is arranged on carrying crossbeam being also unfavorable for reducing crossbeam.
Utility model content
The utility model main purpose is to solve the problem and deficiency, provides and can bear larger braking heat, reduces the mounting structure of the Multiple disc brake device of crossbeam carrying.
Another object of the present utility model is the bogie truck providing a kind of this mounting structure of application.
For achieving the above object, the technical solution of the utility model is:
A kind of mounting structure of Multiple disc brake device, comprise Multiple disc brake device, framework and the wheel that is connected with framework right, described framework comprises the crossbeam of both sides curb girder and fixing described both sides curb girder, at wheel, brake disc is provided with to the both sides of wheel, described Multiple disc brake device is provided with front-end equipment and rear linkage, described curb girder is provided with mount pad, and described front-end equipment and rear linkage hanging are fixed on described mount pad.
Further, described mount pad comprises front mount pad and rear mount pad, described front-end equipment comprises the first hitch point and the second hitch point, and described first hitch point and described front mount pad are hung fixing, and described second hitch point and rear linkage are hung with described rear mount pad and fixed.
Further, described first hitch point and the second hitch point are positioned at wheel both sides and are arranged on the both sides connecting arm of Multiple disc brake device.
Further, described rear mount pad is be fixedly connected on the round steel pipe on curb girder riser, and described round steel pipe is welded with outward extending first connecting portion, and described rear linkage hanging is fixed on described first connecting portion.
Further, described rear linkage extends outward mounting rail, and mounting rail is provided with a through hole, is provided with first fixed leg in through hole, and the two ends bolt of described first connecting portion and described first fixed leg is fixed.
Further, described round steel pipe is welded with outward extending second connecting portion, described second hitch point hanging is fixed on described second connecting portion.
Further, the shape of described second hitch point is in " Y " shape, the top bipod of " Y " shape is respectively arranged with the through hole of a horizontal direction, described second connecting portion is provided with the through hole of a horizontal direction, and it is hinged that the top bipod of described " Y " shape and described second connecting portion pass through second fixed leg.
Further, described front mount pad is be fixedly connected on the mounting blocks on curb girder riser, fixes a transition block in the bottom of mounting blocks, and described first hitch point hanging is fixed in described transition block.
Further, the shape of described first hitch point is in " Y " shape, the top bipod of " Y " shape is respectively arranged with the through hole of a horizontal direction, described transition block is provided with the through hole of a horizontal direction, hinged with the top bipod of " Y " shape by the 3rd fixed leg between the top bipod that described transition block stretches into " Y " shape.
Further, bottom " Y " shape of described first hitch point and the second hitch point, a pin is hinged fixing with the both sides connecting arm of described Multiple disc brake device respectively.
Further, described first fixed leg is arranged with the rubber coating for the fine setting of Multiple disc brake device.
Further, described second fixed leg is arranged with the lining for preventing the second connecting portion or the wearing and tearing of the second fixed leg.
Further, described 3rd fixed leg is arranged with the lining for preventing transition block or the wearing and tearing of the 3rd fixed leg.
Another technical scheme of the present utility model is:
A kind of bogie truck, comprise Multiple disc brake device, described Multiple disc brake device is fixed on bogie truck by above-mentioned mounting structure.
To sum up content, the mounting structure of a kind of Multiple disc brake device described in the utility model and apply the bogie truck of this mounting structure, the brake equipment of bogie truck adopts Multiple disc brake device, larger braking heat can be born, it is fixed on curb girder by hinged suspending way, neither affects the loading strength that brakeage additionally reduces crossbeam, and makes bogie truck inner structure more reasonable, compact conformation, is convenient to drg and installs.Rear mount pad adopts the round steel pipe of hollow, alleviate rear mount pad weight, be beneficial to and reduce the stressed of curb girder riser, front mount pad is connected with drg by transition block, decrease the size of front mount pad, make it to reduce with curb girder riser bonding area, optimize mounting structure, and by adjusting the size of transition block, facilitate drg to install.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the A direction view of Fig. 2;
Fig. 4 is the B direction view of Fig. 3;
Fig. 5 is the structural representation of the utility model mount pad;
Fig. 6 is the C direction view of Fig. 5;
Fig. 7 is the D direction view of Fig. 5.
As shown in Figures 1 to 7, framework 1, wheel 2, axletree 3, journal box body 4, single stage suspension device 5, curb girder 6, curb girder riser 6-1, crossbeam 7, brake disc 8, Multiple disc brake device 9, connecting arm 10, brake lining 11, front mount pad 12, rear mount pad 13, first hitch point 14, second hitch point 15, rear linkage 16, mounting rail 16-1, transition block 17, the first connecting portion 18, second connecting portion 19, first fixed leg 20, second fixed leg 21,3rd fixed leg 22, bolt of rear end plate 23, lining 24, connecting arm mount pad 25, rubber coating 26.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Understand for convenience of reader, in Fig. 1 and Fig. 3, eliminate the schematical sections adding the second hitch point 15 in the round steel pipe and the second connecting portion 19, Fig. 6 eliminating rear mount pad 13 in the second connecting portion 19, Fig. 4.
As shown in Figures 1 to 4, a kind of mounting structure of Multiple disc brake device, comprise Multiple disc brake device 9, framework 1 and take turns right, framework 1 comprises the curb girder 6 of both sides, and curb girder 6 middle part arranges crossbeam 7 and is fixedly connected with by both sides curb girder 6.Wheel is to the wheel 2 comprising axletree 3 and axletree 3 two ends, and have journal box body 4 in wheel 2 arranged outside, journal box body 4 is fixedly connected with curb girder 6 by single stage suspension device 5.
The both sides of wheel 2 are fixedly installed brake disc 8, at each wheel 2, a Multiple disc brake device 9 is set near the side of crossbeam 7, Multiple disc brake device 9 stretches out two connecting arms 10, wheel 2 is positioned in the middle of two connecting arms 10, the end of connecting arm 10 is provided with brake lining 11, and brake lining 11 produces friction for contacting with brake disc 8 wheel 2 is slowed down.
Multiple disc brake device 9 lifting is fixed on curb girder 6, mount pad 12 and rear mount pad 13 before the riser of curb girder 6 is provided with, arrange the first hitch point 14 and the second hitch point 15 respectively in the end of two connecting arms 10 of Multiple disc brake device 9, wheel 2 is between the first hitch point 14 and the second hitch point 15.Multiple disc brake device 9 is provided with rear linkage 16.
First hitch point 14 and front mount pad 12 are hung fixing, and the second hitch point 15 and rear linkage 16 are hung fixing with rear mount pad 13.
As shown in figure 5 and figure 7, front mount pad 12 is for being weldingly fixed on one piece of mounting blocks on curb girder riser 6-1, mounting blocks stretches out a part, be provided with the through hole of two vertical directions over an elongate sections, as shown in Figure 3 and Figure 4, be provided with a transition block 17 in the bottom of mounting blocks, transition block 17 is provided with two tapped bore matched with mounting blocks extendible portion through hole, and transition block 17 is fixedly connected with by two bolts with mounting blocks.Transition block 17 is also provided with a horizontal direction through hole, namely parallel with curb girder riser 6-1 face through hole, this through hole is used for hinged fixing with the first hitch point 14.Between front mount pad 12 and the first hitch point 14, transition block 17 is set, decrease the size of front mount pad 12, make it to reduce with curb girder riser 6-1 bonding area, optimize mounting structure, and by adjusting the size of transition block 17, the installation of convenient wheel pan brake 9.
The shape of the first hitch point 14 is in " Y " shape, the top bipod of " Y " shape structure is respectively arranged with a horizontal direction through hole, namely parallel with curb girder riser 6-1 face through hole, these two through holes are coaxially set, transition block 17 is positioned between the top bipod of " Y " shape structure, the level of the through hole and transition block 17 that the 3rd fixed leg 22 passes the top bipod of " Y " shape structure is set to through hole, 3rd fixed leg 22 two ends are fixed by nut, by the top of the first hitch point 14 and transition block 17 hinged.Two panels lining 24 is enclosed with at the 3rd fixed leg 22 outside face, the level that lining 24 is arranged on the 3rd fixed leg 22 outside face and transition block 17 is between through-hole wall, because transition block 17 or the 3rd fixed leg 22 are not easily changed, therefore lining 24 is set to prevent the wearing and tearing of transition block 17 or the 3rd fixed leg 22, when keeping in repair, only need more rebush 24, improve the resistance to abrasion of Multiple disc brake device 9 mounting structure.
" Y " shape structural base one pin of the first hitch point 14 and a connecting arm 10 of Multiple disc brake device 9 hinged fixing." Y " shape structural base one pin of the first hitch point 14 is provided with a level to, namely parallel with curb girder riser 6-1 face through hole, connecting arm 10 is provided with a connecting arm mount pad 25, connecting arm mount pad 25 comprises two pieces of permanent seats, two pieces of permanent seats are respectively arranged with a horizontal direction through hole, a bolt of rear end plate 23 is set through the through hole on the through hole of two pieces of permanent seats and " Y " shape structural base one pin, one end of bolt of rear end plate 23 is fixed by nut, by the bottom of the first hitch point 14 and connecting arm 10 hinged.
The shape of the first hitch point 14 is arranged and articulated form, not only makes Multiple disc brake device 9 can hang on curb girder 6, also makes the action of connecting arm 10 unaffected, and decrease own wt, improve hanging intensity.
As shown in Figure 5 and Figure 6, rear mount pad 13, for being weldingly fixed on the round steel pipe on curb girder riser 6-1, round steel pipe inner hollow, effectively can reduce the weight of rear mount pad 13, is beneficial to and reduces the stressed of curb girder riser 6-1.Round steel pipe is welded with two pieces of outward extending first connecting portions 18, and rear linkage 16 hanging is fixed on the first connecting portion 18.Pipe steel pipe is also welded with one piece of outward extending second connecting portion 19, second hitch point 15 hanging be fixed on the second connecting portion 19.
First connecting portion 18 extends to the direction away from axletree 3, and the outside face of itself and round steel pipe is welded and fixed, and adopts arc transition with round steel pipe exterior surface part, increases structural strength and fastness.Be provided with the through hole of a vertical direction in one end of the first connecting portion 18, this through hole is used for fixing rear linkage 16.
As shown in Figures 2 to 4, two connecting arms 10 of Multiple disc brake device 8 are provided with rear linkage 16, rear linkage 16 is in " U " shape, the bipod that " U " shape is protruded is hinged with two connecting arms 10 respectively, rear linkage 16 and two connecting arms 10 of " U " shape are hinged, play the effect not affecting connecting arm 10 action." U " shape structure is provided with a mounting rail 16-1, mounting rail 16-1 stretches out, the end extended is provided with a horizontal direction through hole, this through hole is vertical with curb girder riser 6-1, first fixed leg 20 is provided with in through hole, the through hole of the vertical direction that is matched with the first connecting portion 18 is set respectively at the two ends of the first fixed leg 20, bolt is set through the through hole of the first connecting portion 18 and the through hole of the first fixed leg 20, in bolt one end, nut is fixed, and rear linkage 16 hanging is fixed on rear mount pad 13.
Rubber coating 26 is arranged with at the first fixed leg 20 outside face, rubber coating 26 is arranged between the through-hole wall of the first fixed leg 20 outside face and mounting rail 16-1 extended end portion, first fixed leg 20 and rubber coating 26 are sulfided into integrative-structure, by the elasticity of rubber coating 26, Multiple disc brake device 9 can the first fixed leg 20 be that rotation adjustment is done in axle center a little, improve the fixing intensity of hanging and fastness on the one hand, the location of one side convenient wheel pan brake 9 and installation.
As shown in Figure 5 and Figure 6, the round steel pipe of rear mount pad 13 is also welded with one piece of outward extending second connecting portion 19, second connecting portion 19 extends near the direction of axletree 3, the outside face of itself and round steel pipe is welded and fixed, adopt arc transition with round steel pipe exterior surface part, increase structural strength and fastness.Extend straight down in one end of the second connecting portion 19, arrange a level to through hole, namely parallel with curb girder riser 6-1 face through hole at extension, this through hole is used for fixing the second hitch point 15.
As shown in Figure 4 and Figure 6, second hitch point 15 is identical with the first hitch point 14 shape and structure, second hitch point 15 shape is in " Y " shape, the top bipod of " Y " shape structure is respectively arranged with a horizontal direction through hole, namely parallel with curb girder riser 6-1 face through hole, these two through holes are coaxially set, second connecting portion 19 one end extending part is straight down between the top bipod of " Y " shape structure, the level of the through hole and the second connecting portion 19 that second fixed leg 21 passes the top bipod of " Y " shape structure is set to through hole, second fixed leg 21 two ends are fixed by nut, by the top of the second hitch point 15 and the second connecting portion 19 hinged.Two panels lining 24 is enclosed with at the second fixed leg 21 outside face, the level that lining 24 is arranged on the second fixed leg 21 outside face and the second connecting portion 19 is between through-hole wall, because the second connecting portion 19 or the second fixed leg 21 are not easily changed, therefore lining 24 is set to prevent the wearing and tearing of the second connecting portion 19 or the second fixed leg 21, when keeping in repair, only need more rebush 24, improve the resistance to abrasion of Multiple disc brake device 9 mounting structure.
The bottom installation structure of the second hitch point 15 and the identical of the first hitch point 14, " Y " shape structural base one pin of the second hitch point 15 and a connecting arm 10 of Multiple disc brake device 9 hinged fixing." Y " shape structural base one pin of the second hitch point 15 is provided with a level to, namely parallel with curb girder riser 6-1 face through hole, connecting arm 10 is provided with a connecting arm mount pad 25, connecting arm mount pad 25 comprises two pieces of permanent seats, two pieces of permanent seats are respectively arranged with a horizontal direction through hole, a bolt of rear end plate 23 is set through the through hole on the through hole of two pieces of permanent seats and " Y " shape structural base one pin, one end of bolt of rear end plate 23 is fixed by nut, by the bottom of the second hitch point 15 and connecting arm 10 hinged.
The shape of the second hitch point 15 is arranged and articulated form, not only makes Multiple disc brake device 9 can hang on curb girder 6, also makes the action of connecting arm 10 unaffected, and decrease own wt, improve hanging intensity.
The mounting structure of Multiple disc brake device 9 of the present utility model, larger braking heat can be born, be fixed on curb girder 6 by hinged suspending way, neither affect the loading strength that brakeage additionally reduces crossbeam 7, and make bogie truck inner structure more reasonable, compact conformation, is convenient to drg and installs.Rear mount pad 13 adopts the round steel pipe of hollow, alleviate rear mount pad weight, be beneficial to and reduce the stressed of curb girder riser 6-1, front mount pad 12 is connected with drg by transition block 17, decrease the size of front mount pad 12, make it to reduce with curb girder riser bonding area, optimize mounting structure, and by adjusting the size of transition block, facilitate drg to install.
The bogie truck of the mounting structure of application the utility model Multiple disc brake device, comprise framework 1, take turns, Multiple disc brake device 8 etc., Multiple disc brake device 8 adopts above-mentioned mounting structure to be fixed on framework 1.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (14)
1. the mounting structure of a Multiple disc brake device, comprise Multiple disc brake device, framework and the wheel that is connected with framework right, described framework comprises the crossbeam of both sides curb girder and fixing described both sides curb girder, at wheel, brake disc is provided with to the both sides of wheel, it is characterized in that: on described Multiple disc brake device, be provided with front-end equipment and rear linkage, described curb girder is provided with mount pad, and described front-end equipment and rear linkage hanging are fixed on described mount pad.
2. the mounting structure of a kind of Multiple disc brake device according to claim 1, it is characterized in that: described mount pad comprises front mount pad and rear mount pad, described front-end equipment comprises the first hitch point and the second hitch point, described first hitch point and described front mount pad are hung fixing, and described second hitch point and rear linkage are hung with described rear mount pad and fixed.
3. the mounting structure of a kind of Multiple disc brake device according to claim 2, is characterized in that: described first hitch point and the second hitch point are positioned at wheel both sides and are arranged on the both sides connecting arm of Multiple disc brake device.
4. the mounting structure of a kind of Multiple disc brake device according to claim 2, it is characterized in that: described rear mount pad is be fixedly connected on the round steel pipe on curb girder riser, described round steel pipe is welded with outward extending first connecting portion, and described rear linkage hanging is fixed on described first connecting portion.
5. the mounting structure of a kind of Multiple disc brake device according to claim 4, it is characterized in that: described rear linkage extends outward mounting rail, mounting rail is provided with a through hole, in through hole, be provided with first fixed leg, the two ends bolt of described first connecting portion and described first fixed leg is fixed.
6. the mounting structure of a kind of Multiple disc brake device according to claim 4, is characterized in that: in described round steel pipe, be welded with outward extending second connecting portion, and described second hitch point hanging is fixed on described second connecting portion.
7. the mounting structure of a kind of Multiple disc brake device according to claim 6, it is characterized in that: the shape of described second hitch point is in " Y " shape, the top bipod of " Y " shape is respectively arranged with the through hole of a horizontal direction, described second connecting portion is provided with the through hole of a horizontal direction, and it is hinged that the top bipod of described " Y " shape and described second connecting portion pass through second fixed leg.
8. the mounting structure of a kind of Multiple disc brake device according to claim 2, it is characterized in that: described front mount pad is be fixedly connected on the mounting blocks on curb girder riser, fix a transition block in the bottom of mounting blocks, described first hitch point hanging is fixed in described transition block.
9. the mounting structure of a kind of Multiple disc brake device according to claim 8, it is characterized in that: the shape of described first hitch point is in " Y " shape, the top bipod of " Y " shape is respectively arranged with the through hole of a horizontal direction, described transition block is provided with the through hole of a horizontal direction, hinged with the top bipod of " Y " shape by the 3rd fixed leg between the top bipod that described transition block stretches into " Y " shape.
10. the mounting structure of a kind of Multiple disc brake device according to claim 7 or 9, is characterized in that: bottom " Y " shape of described first hitch point and the second hitch point, a pin is hinged fixing with the both sides connecting arm of described Multiple disc brake device respectively.
The mounting structure of 11. a kind of Multiple disc brake devices according to claim 5, is characterized in that: on described first fixed leg, be arranged with the rubber coating for the fine setting of Multiple disc brake device.
The mounting structure of 12. a kind of Multiple disc brake devices according to claim 7, is characterized in that: on described second fixed leg, be arranged with the lining for preventing the second connecting portion or the wearing and tearing of the second fixed leg.
The mounting structure of 13. a kind of Multiple disc brake devices according to claim 9, is characterized in that: on described 3rd fixed leg, be arranged with the lining for preventing transition block or the wearing and tearing of the 3rd fixed leg.
14. 1 kinds of bogie trucks, comprise Multiple disc brake device, it is characterized in that: described Multiple disc brake device is fixed on bogie truck by the mounting structure described in any one of claim 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158330.3U CN204674610U (en) | 2015-03-20 | 2015-03-20 | A kind of mounting structure of Multiple disc brake device and apply the bogie truck of this mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158330.3U CN204674610U (en) | 2015-03-20 | 2015-03-20 | A kind of mounting structure of Multiple disc brake device and apply the bogie truck of this mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204674610U true CN204674610U (en) | 2015-09-30 |
Family
ID=54174323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520158330.3U Withdrawn - After Issue CN204674610U (en) | 2015-03-20 | 2015-03-20 | A kind of mounting structure of Multiple disc brake device and apply the bogie truck of this mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204674610U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986177A (en) * | 2015-03-20 | 2015-10-21 | 南车青岛四方机车车辆股份有限公司 | Installation structure of wheel disc brake and bogie employing the installation structure |
| CN109606411A (en) * | 2018-11-27 | 2019-04-12 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN112550340A (en) * | 2020-12-09 | 2021-03-26 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
-
2015
- 2015-03-20 CN CN201520158330.3U patent/CN204674610U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986177A (en) * | 2015-03-20 | 2015-10-21 | 南车青岛四方机车车辆股份有限公司 | Installation structure of wheel disc brake and bogie employing the installation structure |
| CN104986177B (en) * | 2015-03-20 | 2018-07-31 | 中车青岛四方机车车辆股份有限公司 | A kind of bogie of the mounting structure and application of Multiple disc brake the device mounting structure |
| CN109606411A (en) * | 2018-11-27 | 2019-04-12 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN112550340A (en) * | 2020-12-09 | 2021-03-26 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN112550340B (en) * | 2020-12-09 | 2022-05-17 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150930 Effective date of abandoning: 20180731 |
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| AV01 | Patent right actively abandoned |