CN103661474A - Wagon bogie framework and longitudinal beam thereof - Google Patents

Wagon bogie framework and longitudinal beam thereof Download PDF

Info

Publication number
CN103661474A
CN103661474A CN201310682245.2A CN201310682245A CN103661474A CN 103661474 A CN103661474 A CN 103661474A CN 201310682245 A CN201310682245 A CN 201310682245A CN 103661474 A CN103661474 A CN 103661474A
Authority
CN
China
Prior art keywords
longitudinal beam
web
plate
railway freight
freight car
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
Application number
CN201310682245.2A
Other languages
Chinese (zh)
Inventor
张得荣
马清波
王伟
尹平伟
王春林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Qiqihar Rolling Stock Co Ltd
Original Assignee
Qiqihar Railway Rolling Stock Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qiqihar Railway Rolling Stock Co Ltd filed Critical Qiqihar Railway Rolling Stock Co Ltd
Priority to CN201310682245.2A priority Critical patent/CN103661474A/en
Publication of CN103661474A publication Critical patent/CN103661474A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Vibration Dampers (AREA)

Abstract

The invention provides a wagon bogie framework and a longitudinal beam thereof in order to omit a transverse stopping base and realize direct connection with a transverse stopping piece. The longitudinal beam comprises an upper cover plate, a lower cover plate and a web connected between the upper cover plate and the lower cover plate. The web is arranged on the inner side of the upper cover plate and the inner side of the lower cover plate. The middle of the web is provided with a wing plate arranged in an upward protruding mode, and the wing plate and the other parts of the web can form a base plate used for connecting the transverse stopping piece. The wing plate is combined with the other parts of the web plate to form the base plate, so that the transverse stopping piece can be directly connected to the web and the transverse stopping base does not need to be welded onto the web, therefore, the transverse space is saved and the longitudinal beam can adapt to frameworks with smaller transverse space; due to the fact that the transverse stopping base does not need to be welded onto the web, too many weld seams generated by welding are omitted, welding deformation of the longitudinal beam is reduced, fatigue reliability reduction, caused by weld seam concentration, of the longitudinal beam is avoided and the assembling precision of a bogie is effectively improved.

Description

A kind of railway freight car bogie framework and longitudinal beam thereof
Technical field
The present invention relates to railway truck technical field, particularly relate to a kind of longitudinal beam of railway freight car bogie framework.The invention still further relates to a kind of railway freight car bogie framework with above-mentioned longitudinal beam.
Background technology
At present, for improving drive ability and the critical speed of its high-speed railway vehicle, conventionally adopt the method that reduces vehicle secondary suspension horizontal location rigidity; While adopting said method, between car body and bogie truck, there is larger horizontal relative displacement, can effectively reduce the coupling possibility of cross-car vibration and bogie truck lateral vibration.But, due to the restriction of vehicle gauge and safety, need to apply certain restriction to the horizontal relative displacement between car body and bogie truck, in prior art, conventionally adopt the method that horizontal stop part is set to realize.
Different according to car body and framework structure form, can connect horizontal stop part from the different position of framework, for example, and curb girder or longitudinal beam; Due to the structural limitations of curb girder and longitudinal beam, laterally stop part is not directly connected with both, but realizes indirect connection by the mode of horizontal stopping seat is set on curb girder or longitudinal beam.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is that in prior art, horizontal stopping seat is arranged on the structural representation on longitudinal beam; Fig. 2 is that in prior art, horizontal stopping seat is arranged on the structural representation on curb girder.
In a kind of specific embodiment, can weld horizontal stopping seat 2 ' at the interior coxostermum of longitudinal beam 1 ' therein, horizontal stop part is arranged between two longitudinal beams 1 ' minute in both lateral sides, as shown in Figure 1; In another specific embodiment, can on the interior coxostermum of curb girder 3 ', weld horizontal stopping seat 2 ', horizontal stop part is arranged on respectively between two curb girders 3 ' in both lateral sides, as shown in Figure 2.
By horizontal stopping seat 2 ' is set, although can realize the installation of horizontal backstop, there is following problem:
Because framework is relatively little in horizontal space, and in horizontal space, be furnished with the secondary suspension parts such as bolster, air bellow, therefore no matter be that horizontal space or the horizontal space between two curb girders 3 ' between two longitudinal beams 1 ' is all less, less for welding the welding space of horizontal stopping seat 2 ', cause the manufacturability of welding poor;
For improving the positioning action to horizontal stop part, need to reinforced rib be set at the back side of horizontal stopping seat 2 ', reinforced rib also needs to weld with curb girder 3 ' or longitudinal beam 1 ', causes weld seam more, thereby has reduced the fatigue reliability of framework integral body;
In relatively little horizontal space, weld horizontal stopping seat 2 ' afterwards, the horizontal space that can effectively utilize further reduces, but this horizontal space also must meet the requirement of the horizontal stop part of welding, that is to say, above-mentioned existing version need to take larger horizontal space, and when the structure limit of framework during horizontal space, said structure cannot be used.
Visible, laterally the setting of stopping seat 2 ' is not only not easy to weld, and has also increased the structural complexity of framework, has reduced the fatigue reliability of framework, does not have general applicability, is not especially suitable for the railway freight car bogie framework that horizontal space is less.
Therefore, how designing a kind of railway freight car bogie framework and longitudinal beam thereof, to save horizontal stopping seat 2 ', realize longitudinal beam and be connected with horizontal the direct of stop part, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The longitudinal beam that the object of this invention is to provide a kind of railway freight car bogie framework, to save horizontal stopping seat, realizes with horizontal the direct of stop part and being connected.
Another object of the present invention is to provide a kind of railway freight car bogie framework, and its weld seam is less, and fatigue reliability is higher.
For solving the problems of the technologies described above, the invention provides a kind of longitudinal beam of railway freight car bogie framework, comprise upper cover plate, lower cover and be connected to web between the two, described web is arranged on the inner side of described upper cover plate and lower cover, the middle part of described web has the wing plate of setting protruding upward, to be formed for being connected the seat board of horizontal stop part with other parts of described web.
Longitudinal beam of the present invention, middle part with its web extends upward formation wing plate, other parts of wing plate and web mutually combine and form a seat board, so that laterally stop part is directly connected on web, without weld horizontal stopping seat on web, and then saved horizontal space, can be applicable to the framework that horizontal space is less; Owing to having saved horizontal stopping seat, for the horizontal installation of backstop provides comparatively sufficient space, so that laterally backstop can be arranged on desired location exactly; Without weld horizontal stopping seat on web, therefore saved the too much weld seam producing because of welding, reduced the welding deformation of longitudinal beam, can too not concentrate the fatigue reliability that reduces longitudinal beam because of weld seam yet, effectively improved the assembly precision of bogie truck.
Preferably, the lateral surface of described wing plate is also provided with the limiting block that it is carried out to cross spacing.
Arranging of limiting block can effectively be supported wing plate, prevents that wing plate is subject to the thrust of horizontal stop part and distortion laterally, avoids it to lose cross spacing effect because of distortion.
Preferably, described limiting block is L-type, and described limiting block is connected with described wing plate with its side plate, and is connected with described upper cover plate with its base plate.
Limiting block can be set to simple L-type structure, and is connected with wing plate with upper cover plate respectively with side plate with its base plate, thereby effectively positions; Said structure by limiting block arranges, and makes limiting block, upper cover plate and wing plate connect into an integral body, and wing plate can access actv. supporting and location, thereby has strengthened its limit effect to horizontal stop part.
Preferably, described limiting block also comprises stud, and described stud is connected with described side plate with its side, is connected described side plate, base plate and the moulding of stud integrally casting with its bottom surface with described base plate.
On limiting block, stud can also be set, effectively its side plate be connected with base plate, thus the intensity of raising limiting block, so that it carries out support limit to wing plate better.
Preferably, described stud is provided with for connecting the through hole of safety jaw.
Through hole can be set on stud, then utilize the structure of the instruments such as safety jaw by similar through hole on through hole and car body to realize being connected of framework and car body, abnormal when separated when occurring between car body and framework, by safety jaw, can effectively prevent from being connected between secondary suspension itself or secondary suspension and framework and car body to damage.
Preferably, described side plate comprises some sheet frames, and described in each, sheet frame longitudinally connects successively.
The structure of plate and frame has alleviated the weight of limiting block, saved with material, and each sheet frame can longitudinally connect successively, is convenient to dissipation of ferees, avoids stress to concentrate.
Preferably, also comprise the outer web being connected between described upper cover plate and lower cover and in both outsides.
Preferably, also comprise that described horizontal damper holder is welded on described upper cover plate for the horizontal damper holder of lateral damper is installed.
The present invention also provides a kind of railway freight car bogie framework, comprises the longitudinal beam of the railway freight car bogie framework as described in above-mentioned any one.
Because railway freight car bogie framework of the present invention has the longitudinal beam of the railway freight car bogie framework described in above-mentioned any one, therefore the technique effect that the longitudinal beam of the railway freight car bogie framework described in above-mentioned any one produces is all applicable to railway freight car bogie framework of the present invention, repeats no more herein.
Accompanying drawing explanation
Fig. 1 is that in prior art, horizontal stopping seat is arranged on the structural representation on longitudinal beam;
Fig. 2 is that in prior art, horizontal stopping seat is arranged on the structural representation on curb girder;
Fig. 3 is the perspective view of railway freight car bogie framework provided by the present invention in a kind of specific embodiment;
Fig. 4 is the perspective view of longitudinal beam shown in Fig. 3 in a kind of specific embodiment;
Fig. 5 is the Facad structure schematic diagram of a kind of set-up mode of web of longitudinal beam shown in Fig. 4;
Fig. 6 is the perspective view of the mode of a kind of setting of limiting block provided by the present invention;
Fig. 7 is the lateral plan of limiting block shown in Fig. 6;
Fig. 8 is the front elevation of limiting block shown in Fig. 6;
Fig. 9 is the back view of limiting block shown in Fig. 6.
In Fig. 1-2:
1 ' longitudinal beam, 2 ' horizontal stopping seat, 3 ' curb girder
In Fig. 2-5:
1 upper cover plate, 2 lower covers, 3 webs, 31 wing plates, 4 limiting blocks, 41 side plates, 411 sheet frames, 42 base plates, 43 studs, 431 through holes, 5 outer webs, 6 vertical damper holders, 7 longitudinal beams, 8 curb girders
The specific embodiment
Core of the present invention is to provide a kind of longitudinal beam of railway freight car bogie framework, to save horizontal stopping seat, realizes with horizontal the direct of stop part and being connected.
Another core of the present invention is to provide a kind of railway freight car bogie framework, and its weld seam is less, and fatigue reliability is higher.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 3, Fig. 3 is the perspective view of railway freight car bogie framework provided by the present invention in a kind of specific embodiment.
In a kind of specific embodiment, railway freight car bogie framework of the present invention, has longitudinal beam 7, to realize longitudinal connection of car body; Longitudinal beam 7 is arranged on the inner side of curb girder 8, and is connected between two crossbeams with its two ends, by longitudinally fixing of railway freight car bogie framework.
Described inside and outside axis of take framework is reference herein, near the direction of framework axis, be in, away from the direction of its axis, be outside.
Please further refer to Fig. 4 and Fig. 5, Fig. 4 is the perspective view of longitudinal beam shown in Fig. 3 in a kind of specific embodiment; Fig. 5 is the Facad structure schematic diagram of a kind of set-up mode of web of longitudinal beam shown in Fig. 4.
Longitudinal beam 7 of the present invention comprises upper cover plate 1, lower cover 2 and web 3, web 3 longitudinal extensions, and be connected between upper cover plate 1 and lower cover 2, web 3 is arranged on the inner side of upper cover plate 1 and lower cover 2; Web 3 is with its middle part setting protruding upward, and to form wing plate 31, wing plate 31 forms seat board jointly with other parts of web 3, so that laterally stop part can be arranged on seat board, that is to say, seat board is equivalent to horizontal stopping seat.
Other parts of described web 3 refer to removes wing plate 31 part in addition; The middle part of web 3 is for its two ends, and the position of its middle of non-deterministic finger, and particularly, the middle part of web 3 refers to spreads the formed region of a segment distance to two ends with its axis.
After the middle part of web 3 is protruding upward, the wing plate 31 of formation protrudes the top that is arranged on web 3 base portions, forms integral structure with the base portion of web 3, the medial surface of web 3 forms mounting plane, whole web 3 forms seat board, installs, as shown in Figure 5 for horizontal stop part.
Due to the setting of web 3, longitudinal beam 7 of the present invention can without welding separately horizontal stopping seat, effectively have been saved horizontal space directly as horizontal stopping seat, is applicable to the limited framework of horizontal space; The transverse elasticity backstop that is installed on car body or vehicle traction system contacts with web 3, thereby plays the effect of restriction car body and the horizontal relative displacement of bogie truck; The horizontal stopping seat of the direct conduct of web 3 by longitudinal beam 7, has reduced weld seam, has reduced welding deformation and the impact on framework distortion thereof of longitudinal beam 7, has effectively improved the fatigue reliability of longitudinal beam 7 and the assembly precision of bogie truck.
Can expect, between upper cover plate 1 and lower cover 2, outer web 5 can also be set, outer web 5 is connected to the outside of upper cover plate 1 and lower cover 2, as shown in Figure 4.
Longitudinal beam 7 of the present invention can arrange inside and outside web, to upper cover plate 1 is effectively connected and is supported with lower cover 2, improves the intensity of longitudinal beam 7 and the stability of structure.
It will also be appreciated that, longitudinal beam 7 can also comprise that horizontal damper holder 6 can be welded on upper cover plate 1, as shown in Figure 4 for the horizontal damper holder 6 of lateral damper is installed.
Horizontal damper holder 6 also can be arranged on longitudinal beam 7, adopts longitudinal beam 7 of the present invention, can realize the installation of horizontal stop part and lateral damper, effectively improves car body in horizontal stability; Because horizontal damper holder 6 is welded on the upper cover plate 1 of longitudinal beam 7, can not take the horizontal space of framework, further saved horizontal space, for the horizontal installation of stop part and lateral damper provides sufficient space.
On the basis of the above, longitudinal beam 7 of the present invention can also arrange limiting block 4, and limiting block 4 is arranged on the lateral surface of wing plate 31, to it is carried out to cross spacing.
In the process of body movement, laterally stop part can be subject to the horizontal force of car body and framework, this horizontal force makes horizontal stop part apply the laterally outer application force moving to wing plate 31, for this reason, the setting of limiting block 4 is convenient to wing plate 31 to support and cross spacing, prevents that the outside of wing plate 31 is out of shape and loss cross spacing effect.
Please refer to Fig. 6-9, Fig. 6 is the perspective view of the mode of a kind of setting of limiting block provided by the present invention; Fig. 7 is the lateral plan of limiting block shown in Fig. 6; Fig. 8 is the front elevation of limiting block shown in Fig. 6; Fig. 9 is the back view of limiting block shown in Fig. 6.
Particularly, limiting block 4 can be set to L-type, comprises side plate 41 and base plate 42, and side plate 41 is arranged on the side of limiting block 4, is connected with wing plate 31; Base plate 42 is arranged on the bottom surface of limiting block 4, is connected, as shown in Figure 4 with upper cover plate 1; Being connected of side plate 41 and wing plate 31, base plate 42 can be welding with being connected of upper cover plate 1.
Certainly, limiting block 4 can also be set to other versions, is not limited to above-mentioned L-type, and for example, limiting block 4 can be set to packet or the structure such as cylindric, can play the position-limiting action to wing plate 31 equally.
In addition, limiting block 4 can also arrange stud 43, and stud 43 is connected with side plate 41 with its side, with its bottom surface, is connected with base plate 42, forms structure shown in Fig. 6 and Fig. 7, and stud 43 is supported between side plate 41 and base plate 42, can improve the structural strength of limiting block 4.
Stud 43 can be set to the gusset of arbitrary shape, and can match with side plate 41 and base plate 42, to be supported in the region that side plate 41 and base plate 42 surrounded, both is supported; For example, the lateral surface of stud 43 can be set to have the cambered surface of certain radian, takes up room, and can not exceed the region of upper cover plate 1 to save, and avoids the external structures such as curb girder 8 to exert an influence.
Meanwhile, side plate 41, base plate 42 and stud 43 can integrally casting moulding, and limiting block 4 can be inblock cast part, and now, its structure is comparatively stable, better to the support of wing plate 31 and position-limiting action; Certainly, above-mentioned three also can be spliced soldered mutually.
When stud 43 is set, can on stud 43, offer through hole 431, for use in connecting safety jaw.Utilize the structure of the instruments such as safety jaw by similar through hole on through hole 431 and car body to realize being connected of framework and car body, abnormal when separated when occurring between car body and framework, by safety jaw, can effectively prevent from being connected between secondary suspension itself or secondary suspension and framework and car body to damage.
At length, the side plate 41 in limiting block 4 can comprise some sheet frames 411, and each sheet frame 411 longitudinally connects successively; As shown in Figure 8 and Figure 9, side plate 41 can comprise two sheet frames 411 that longitudinally connect successively, and the middle part of sheet frame 411 forms hollow structure, and whole sheet frame 411 is connected with wing plate 31 with its framework, and wing plate 31 is supported with spacing; By that analogy, side plate 41 can also comprise three or a plurality of sheet frame 411, is then connected to the longitudinal of wing plate 31 lateral surfaces in turn.
Described somely refer to that number is uncertain herein, can be one, two, three or a plurality of, not refer to numerous over number.
Obviously, when side plate 41 adopts the form of some sheet frames 411 connections, can effectively reduce the weight of limiting block 4, reduce the load that upper cover plate 1 and lower cover 2 bear, simplify the structure of longitudinal beam 7; Because each sheet frame 411 longitudinally arranges, be convenient to disperse the application force of wing plate 31, avoid stress to concentrate; Meanwhile, because some sheet frames 411 carry out support limit with its frame part to wing plate 31, can guarantee the reliability of positioning to wing plate 31.
At side plate 41, comprise in the structure of some sheet frames 411, stud 43 can be arranged on to the connecting portion between two adjacent sheet frames 411, to side plate 41 is supported.
In addition, every connection of mentioning herein, all can adopt the form of welding to realize, and can certainly adopt and weld close other and be fixedly connected with mode.
Railway freight car bogie framework provided by the invention, comprises the longitudinal beam 7 described in above-mentioned any one, and the structure of other parts please refer to prior art, repeats no more herein.
Above railway freight car bogie framework provided by the present invention and longitudinal beam thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand core concept of the present invention.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 improvement and modification also fall in the protection domain of the claims in the present invention.

Claims (9)

1. the longitudinal beam of a railway freight car bogie framework, comprise upper cover plate (1), lower cover (2) and be connected to web (3) between the two, described web (3) is arranged on the inner side of described upper cover plate (1) and lower cover (2), it is characterized in that, the middle part of described web (3) has the wing plate (31) of setting protruding upward, to be formed for being connected the seat board of horizontal stop part with other parts of described web (3).
2. the longitudinal beam of railway freight car bogie framework as claimed in claim 1, is characterized in that, the lateral surface of described wing plate (31) is also provided with the limiting block (4) that it is carried out to cross spacing.
3. the longitudinal beam of railway freight car bogie framework as claimed in claim 2, it is characterized in that, described limiting block (4) is L-type, and described limiting block (4) is connected with described wing plate (31) with its side plate (41), and is connected with described upper cover plate (1) with its base plate (42).
4. the longitudinal beam of railway freight car bogie framework as claimed in claim 3, it is characterized in that, described limiting block (4) also comprises stud (43), described stud (43) is connected with described side plate (41) with its side, with its bottom surface, be connected described side plate (41), base plate (42) and stud (43) integrally casting moulding with described base plate (42).
5. the longitudinal beam of railway freight car bogie framework as claimed in claim 4, is characterized in that, described stud (43) is provided with the through hole (431) for connecting safety jaw.
6. the longitudinal beam of railway freight car bogie framework as claimed in claim 3, is characterized in that, described side plate (41) comprises some sheet frames (411), and sheet frame described in each (411) longitudinally connects successively.
7. the longitudinal beam of the railway freight car bogie framework as described in claim 1-6 any one, is characterized in that, also comprises the outer web (5) being connected between described upper cover plate (1) and lower cover (2) and in both outsides.
8. the longitudinal beam of the railway freight car bogie framework as described in claim 1-6 any one, is characterized in that, also comprises the horizontal damper holder (6) for lateral damper is installed, and described horizontal damper holder (6) is welded on described upper cover plate (1).
9. a railway freight car bogie framework, is characterized in that, comprises the longitudinal beam of the railway freight car bogie framework as described in claim 1-8 any one.
CN201310682245.2A 2013-12-13 2013-12-13 Wagon bogie framework and longitudinal beam thereof Pending CN103661474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310682245.2A CN103661474A (en) 2013-12-13 2013-12-13 Wagon bogie framework and longitudinal beam thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310682245.2A CN103661474A (en) 2013-12-13 2013-12-13 Wagon bogie framework and longitudinal beam thereof

Publications (1)

Publication Number Publication Date
CN103661474A true CN103661474A (en) 2014-03-26

Family

ID=50300569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310682245.2A Pending CN103661474A (en) 2013-12-13 2013-12-13 Wagon bogie framework and longitudinal beam thereof

Country Status (1)

Country Link
CN (1) CN103661474A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841873A (en) * 1987-02-03 1989-06-27 General Motors Corporation Railway locomotive and stabilized self steering truck therefor
CN201116125Y (en) * 2007-11-02 2008-09-17 长春轨道客车股份有限公司 Truck frame
CN201610149U (en) * 2010-03-19 2010-10-20 南车株洲电力机车有限公司 Multifunctional railway vehicle traction apparatus with center pin plus Z-shaped draw bar structure
CN102030013A (en) * 2010-11-19 2011-04-27 长春轨道客车股份有限公司 Disc type braking bogie frame
CN201882104U (en) * 2010-10-27 2011-06-29 上海轨道交通设备发展有限公司 Framework for bogie of metro vehicle
JP5305399B2 (en) * 2009-08-26 2013-10-02 公益財団法人鉄道総合技術研究所 Railcar assembly carriage frame and crack detection system thereof
CN203580980U (en) * 2013-12-13 2014-05-07 齐齐哈尔轨道交通装备有限责任公司 Railway truck bogie frame and longitudinal beam thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841873A (en) * 1987-02-03 1989-06-27 General Motors Corporation Railway locomotive and stabilized self steering truck therefor
CN201116125Y (en) * 2007-11-02 2008-09-17 长春轨道客车股份有限公司 Truck frame
JP5305399B2 (en) * 2009-08-26 2013-10-02 公益財団法人鉄道総合技術研究所 Railcar assembly carriage frame and crack detection system thereof
CN201610149U (en) * 2010-03-19 2010-10-20 南车株洲电力机车有限公司 Multifunctional railway vehicle traction apparatus with center pin plus Z-shaped draw bar structure
CN201882104U (en) * 2010-10-27 2011-06-29 上海轨道交通设备发展有限公司 Framework for bogie of metro vehicle
CN102030013A (en) * 2010-11-19 2011-04-27 长春轨道客车股份有限公司 Disc type braking bogie frame
CN203580980U (en) * 2013-12-13 2014-05-07 齐齐哈尔轨道交通装备有限责任公司 Railway truck bogie frame and longitudinal beam thereof

Similar Documents

Publication Publication Date Title
US8985681B2 (en) Vehicle body floor structure
CN103832446A (en) Railway vehicle body chassis structure
RU160800U1 (en) TROLLEY AND FREIGHT TRAIN IN WHICH IT IS USED
CN103625499B (en) A kind of framework of narrow-gauge train bogie
CN104787072B (en) Low-floor railway vehicle chassis structure
CN202879514U (en) Bullet train steering support framework of railway vehicle
JP6178299B2 (en) Railway vehicle trolley and railway vehicle
CN109969214A (en) End underframe structure used for rail vehicle and rail vehicle
CN203580980U (en) Railway truck bogie frame and longitudinal beam thereof
CN105691457A (en) Connecting structure for automobile engine room longitudinal beam and sub frame longitudinal beam
JP2010216084A (en) Track frame for construction machinery
CN103661471A (en) Wagon bogie framework and braking hanging base thereof
CN103625492B (en) Aluminum alloy bodywork of rail vehicle hanging beam
EP4008600A1 (en) Primary suspension device, bogie and railway vehicle
CN103661474A (en) Wagon bogie framework and longitudinal beam thereof
CN203580981U (en) Railway truck bogie and frame thereof
EP3339130B1 (en) Bogie for railway vehicle
CN103112499A (en) Multi-box type inverted trapezoidal crane frame and crane provided with same
CN102774425A (en) Vehicle frame
CN109131406A (en) The underframe assemblies and rail vehicle of rail vehicle
TW201425109A (en) Bogie and side frame thereof
CN115027522A (en) Open bogie framework, bogie and rail vehicle
CN207225371U (en) A kind of bogie frame and the bogie with the bogie frame
CN209176788U (en) Middle beam frame
CN205327070U (en) Bogie of anticreep device and applied this anticreep device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20140326

RJ01 Rejection of invention patent application after publication